export default statement in BaseApi.js

params in die config verlagert

.gitignore

@@ -2,6 +2,8 @@ documents/
 vendor/
 
 /nbproject/
+.vscode
+composer.phar
 /.idea/
 .settings
 .project

application/config/Events.php

@@ -3,12 +3,35 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
 
 use CI3_Events as Events;
 
-/**
- * NOTE(chris): example:
-	Events::on('stv_conf_student', function (&$res) {
-		$res['test'] = [
-			'title' => 'TEST',
-			'component' => './Stv/Studentenverwaltung/Details/Notizen.js'
-		];
-	});
- */
+Events::on('loadRenderers', function ($renderers) {
+	$fhc_core_renderers =& $renderers();
+	$fhc_core_renderers["lehreinheit"] = array(
+		'calendarEvent' => APP_ROOT.'public/js/components/Cis/Renderer/Lehreinheit/calendarEvent.js',
+		'modalTitle' => APP_ROOT.'public/js/components/Cis/Renderer/Lehreinheit/modalTitle.js',
+		'modalContent' => APP_ROOT.'public/js/components/Cis/Renderer/Lehreinheit/modalContent.js',
+		'calendarEventStyles' => APP_ROOT.'public/css/Cis4/CoreCalendarEvents.css'
+	);
+});
+
+Events::on('loadRenderers', function ($renderers) {
+	$fhc_core_renderers =& $renderers();
+	$fhc_core_renderers["reservierung"] = array(
+		'calendarEvent' => APP_ROOT.'public/js/components/Cis/Renderer/Reservierungen/calendarEvent.js',
+		'modalTitle' => APP_ROOT.'public/js/components/Cis/Renderer/Reservierungen/modalTitle.js',
+		'modalContent' => APP_ROOT.'public/js/components/Cis/Renderer/Reservierungen/modalContent.js',
+		'calendarEventStyles' => APP_ROOT.'public/css/Cis4/CoreCalendarEvents.css'
+	);
+});
+
+Events::on('loadRenderers', function ($renderers) {
+	$fhc_core_renderers =& $renderers();
+	$fhc_core_renderers["ferien"] = array(
+		'calendarEvent' => APP_ROOT.'public/js/components/Cis/Renderer/Feiertage/calendarEvent.js',
+		'modalTitle' => APP_ROOT.'public/js/components/Cis/Renderer/Feiertage/modalTitle.js',
+		'modalContent' => APP_ROOT.'public/js/components/Cis/Renderer/Feiertage/modalContent.js',
+		'calendarEventStyles' => APP_ROOT.'public/css/Cis4/CoreCalendarEvents.css'
+	);
+});
+
+
+

application/config/anrechnung.php

@@ -1,6 +1,6 @@
 <?php
 
-if (! defined('BASEPATH')) exit('No direct script access allowed');
+if (!defined('BASEPATH')) exit('No direct script access allowed');
 
 
 // Deadline for Application given as Time-Interval after Semesterstart.
@@ -24,3 +24,12 @@ $config['send_mail'] = TRUE;
 
 // Display fields to explain equivalence of ECTS and LV-Inhalte
 $config['explain_equivalence'] = TRUE;
+
+// Displays infobox if set to true
+$config['display_infobox'] = [
+	'fristen' => TRUE,
+	'referenzbeispiele_ects' => TRUE,
+	'voraussetzungen' => TRUE,
+	'nachweisdokumente' => TRUE,
+	'herkunft_kenntnisse' => TRUE
+];

application/config/calendar.php

@@ -0,0 +1,6 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+// Define configuration parameters
+$config['timezone'] = 'Europe/Vienna';

application/config/cis.php

@@ -0,0 +1,15 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+// CMS Content Id for CIS4 Menu Root
+$config['cis_menu_root_content_id'] = 11087;
+// send Mails for ProfilUpdate
+$config['cis_send_profil_update_mails'] = true;
+// Vilesci CI BaseUrl
+$config['cis_vilesci_base_url'] = defined('VILESCI_ROOT') ? VILESCI_ROOT : APP_ROOT;
+$config['cis_vilesci_index_page'] = 'index.ci.php';
+// Cis CI BaseUrl
+$config['cis_base_url'] = defined('CIS_ROOT') ? CIS_ROOT : APP_ROOT;
+$config['cis_index_page'] = 'cis.php';

application/config/issueList.php

@@ -0,0 +1,11 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+// apps for which issues should be displayed
+$config['issues_list_apps'] = array('core', 'dvuh');
+
+// functions which enable users to see issues
+$config['issues_list_functions'] = array('ass');
+
+// functions which enable users to see issues
+$config['issues_list_status'] = array('Aufgenommener', 'Student', 'Incoming', 'Diplomand', 'Abbrecher', 'Unterbrecher', 'Absolvent');

application/config/javascript.php

@@ -0,0 +1,9 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+// use vuejs dev version
+$config['use_vuejs_dev_version'] = false;
+// use bundled javascript
+$config['use_bundled_javascript'] = false;
+// systemerror_mailto use in FHC-Alert Plugin - if empty Link will not be rendered
+$config['systemerror_mailto'] = '';

application/config/lvverwaltung.php

@@ -0,0 +1,11 @@
+<?php
+
+/*It defines which tags are available in LVVerwaltung and whether they are editable
+
+$config['lvverwaltung_tags'] = [
+	'tag_1' => ['readonly' => false],
+	'tag_1' => ['readonly' => true]
+];
+*/
+
+$config['lvverwaltung_tags'] = [];

application/config/mail.php

@@ -32,3 +32,18 @@ $config['validate'] = false; // If true then the email address will be validated
 
 // If enabled will be logged info about emails in Codeigniter error logs
 $config['enable_debug'] = false;
+
+// default sender
+$config['sancho_mail_default_sender'] = defined('SANCHO_MAIL_DEFAULT_SENDER') ? SANCHO_MAIL_DEFAULT_SENDER : '';
+
+// If to use images for custom mails
+$config['sancho_mail_use_images'] = defined('SANCHO_MAIL_USE_IMAGES') ? SANCHO_MAIL_USE_IMAGES : false;
+
+// image path for sancho mail, relativ to document root
+$config['sancho_mail_img_path'] = defined('SANCHO_MAIL_IMG_PATH') ? SANCHO_MAIL_IMG_PATH : '';
+
+// header image for custom mails
+$config['sancho_mail_header_img'] = defined('SANCHO_MAIL_HEADER_IMG') ? SANCHO_MAIL_HEADER_IMG : '';
+
+// footer image for custom mails
+$config['sancho_mail_footer_img'] = defined('SANCHO_MAIL_FOOTER_IMG') ? SANCHO_MAIL_FOOTER_IMG : '';

application/config/navigation.php

@@ -1,6 +1,12 @@
 <?php
 // Header menu
 
+if(defined('CIS4') && CIS4) {
+	$root = APP_ROOT;
+} else {
+	$root = CIS_ROOT;
+}
+
 $config['navigation_header'] = array(
 	'*' => array(
 		'fhcomplete' => array(
@@ -50,11 +56,17 @@ $config['navigation_header'] = array(
 			'requiredPermissions' => 'basis/vilesci:r',
 			'children' => array(
 				'cis' => array(
-					'link' => CIS_ROOT,
+					'link' => $root,
 					'icon' => '',
 					'description' => 'CIS',
 					'sort' => 10
 				),
+				'lehrveranstaltungen' => array(
+					'link' => site_url('lehre/lvplanung/LvTemplateUebersicht'),
+					'icon' => '',
+					'description' => 'Lehrveranstaltungen Templates',
+					'sort' => 15
+				),
 				'reihungstest' => array(
 					'link' => site_url('organisation/Reihungstest'),
 					'description' => 'Reihungstests',
@@ -69,6 +81,16 @@ $config['navigation_header'] = array(
 					'sort' => 30,
 					'requiredPermissions' => 'infocenter:r'
 				),
+				'lvverwaltung' => array(
+					'link' => site_url('LVVerwaltung'),
+					'icon' => '',
+					'description' => 'LV Verwaltung',
+					'requiredPermissions' => array(
+						'admin:r',
+						'assistenz:r'
+					),
+					'sort' => 35
+				),
 				'lehrauftrag' => array(
 					'link' => site_url('lehre/lehrauftrag/Lehrauftrag/Dashboard'),
 					'description' => 'Lehrauftrag',
@@ -81,7 +103,7 @@ $config['navigation_header'] = array(
 				),
 				'zverfueg' => array(
 					'link' => site_url('lehre/lvplanung/AdminZeitverfuegbarkeit'),
-					'description' => 'Zeitverf&uuml;gbarkeit',
+					'description' => 'Zeitverfügbarkeit',
 					'expand' => true,
 					'sort' => 45,
 					'requiredPermissions' => array(
@@ -217,7 +239,7 @@ $config['navigation_menu']['organisation/Reihungstest/index'] = array(
 		'target' => '_blank'
 	),
 	'auswertung' => array(
-		'link' => CIS_ROOT.'/cis/testtool/admin/auswertung.php',
+		'link' => $root.'/cis/testtool/admin/auswertung.php',
 		'description' => 'Auswertung',
 		'icon' => 'list-alt',
 		'sort' => 1,
@@ -287,6 +309,15 @@ $config['navigation_menu']['lehre/lehrauftrag/LehrauftragErteilen/*'] = array(
 	)
 );
 
+$config['navigation_menu']['lehre/lvplanung/LvTemplateUebersicht/index'] = array(
+	'lvTemplateUebersicht' => array(
+		'link' => site_url('lehre/lvplanung/LvTemplateUebersicht'),
+		'description' => 'LV Template Übersicht',
+		'icon' => '',
+		'sort' => 1
+	)
+);
+
 $config['navigation_menu']['system/issues/Issues/*'] = array(
 	'fehlerzustaendigkeiten' => array(
 		'link' => site_url('system/issues/IssuesZustaendigkeiten'),
@@ -306,3 +337,23 @@ $config['navigation_menu']['system/issues/Issues/*'] = array(
 	),
 );
 
+$config['navigation_menu']['apps'] = [
+	'stv' => [
+		'link' => site_url('studentenverwaltung'),
+		'description' => 'Studierendenverwaltung',
+		#'icon' => 'users',
+		'requiredPermissions' => array('admin:r', 'assistenz:r')
+	],
+	'lvv' => [
+		'link' => site_url('lVVerwaltung'),
+		'description' => 'LV Verwaltung',
+		#'icon' => 'person-chalkboard',
+		'requiredPermissions' => array('admin:r', 'assistenz:r')
+	],
+	'lav' => [
+		'link' => site_url('lehre/lehrauftrag/Lehrauftrag/Dashboard'),
+		'description' => 'Lehraufträge',
+		#'icon' => 'person-chalkboard',
+		'requiredPermissions' => array('lehre/lehrauftrag_bestellen:r', 'lehre/lehrauftrag_erteilen:r')
+	]
+];

application/config/raumsuche.php

@@ -0,0 +1,25 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+// liste von raumtyp_kurzbz welche in raumsuche studenten angezeigt werden
+$config['roomtypes_student'] = array(
+'LAB BM/Chem',
+'xEDV 1-36',
+'xEDV 37-60',
+'EDV 60',
+'EDV-HÖPL',
+'EDV ES',
+'LAB Elek',
+'LAB ES/TK',
+'Ener-EDV',
+'Ener-Lab',
+'Ener-SEM',
+'Ener-HS',
+'HS 59-109',
+'HS 25-38',
+'HS 39-58',
+'LAB Inf',
+'LAB Robo',
+'LAB SET'
+);

application/config/routes.php

@@ -1,6 +1,6 @@
 <?php
 
-defined('BASEPATH') OR exit('No direct script access allowed');
+if (! defined('BASEPATH')) exit('No direct script access allowed');
 
 /*
 | -------------------------------------------------------------------------
@@ -50,8 +50,8 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 | Examples: my-controller/index -> my_controller/index
 |   my-controller/my-method -> my_controller/my_method
 */
-$route['default_controller'] = 'Vilesci';
-$route['translate_uri_dashes'] = FALSE;
+$route['default_controller'] = defined('CIS4') && CIS4 ? 'Cis4' : 'Vilesci';
+$route['translate_uri_dashes'] = false;
 
 // Class name conflicts
 $route['api/v1/organisation/[S|s]tudiengang/(:any)'] = 'api/v1/organisation/studiengang2/$1';
@@ -61,25 +61,81 @@ $route['api/v1/organisation/[O|o]rganisationseinheit/(:any)'] = 'api/v1/organisa
 $route['api/v1/ressource/[B|b]etriebsmittelperson/(:any)'] = 'api/v1/ressource/betriebsmittelperson2/$1';
 $route['api/v1/system/[S|s]prache/(:any)'] = 'api/v1/system/sprache2/$1';
 
-// load routes from extensions
-$subdir = 'application/config/extensions';
-$dirlist = scandir($subdir);
+$route['Cis/LvPlan/.*'] = 'Cis/LvPlan/index/$1';
+$route['Cis/MyLvPlan/.*'] = 'Cis/MyLvPlan/index/$1';
+$route['Cis/MyLv/.*'] = 'Cis/MyLv/index/$1';
 
-if ($dirlist)
+// Studierendenverwaltung List Routes
+$route['api/frontend/v1/stv/[sS]tudents/inout'] = 'api/frontend/v1/stv/Students/index';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})'] = 'api/frontend/v1/stv/Students/index';
+
+// (studiensemester_kurzbz)/inout[/(incoming|outgoing|gemeinsamestudien)]
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/inout'] = 'api/frontend/v1/stv/Students/index';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/inout/incoming'] = 'api/frontend/v1/stv/Students/getIncoming/$1';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/inout/outgoing'] = 'api/frontend/v1/stv/Students/getOutgoing/$1';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/inout/gemeinsamestudien'] = 'api/frontend/v1/stv/Students/getGemeinsamestudien/$1';
+
+// (studiengang_kz)/prestudent[/(studiensemester_kurzbz)[/(filter)[/(otherfilter)]]]
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/prestudent'] = 'api/frontend/v1/stv/Students/getPrestudents/$1';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/prestudent/([WS]S[0-9]{4})'] = 'api/frontend/v1/stv/Students/getPrestudents/$1/$2';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/prestudent/([WS]S[0-9]{4})/(:any)'] = 'api/frontend/v1/stv/Students/getPrestudents/$1/$2/$3';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/prestudent/([WS]S[0-9]{4})/(:any)/(:any)'] = 'api/frontend/v1/stv/Students/getPrestudents/$1/$2/$4';
+
+// (studiengang_kz)/(orgform)/prestudent[/(studiensemester_kurzbz)[/(filter)[/(otherfilter)]]]
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/([A-Z]{2,3})/prestudent'] = 'api/frontend/v1/stv/Students/getPrestudentsOrgform/$1/$2';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/([A-Z]{2,3})/prestudent/([WS]S[0-9]{4})'] = 'api/frontend/v1/stv/Students/getPrestudentsOrgform/$1/$2/$3';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/([A-Z]{2,3})/prestudent/([WS]S[0-9]{4})/(:any)'] = 'api/frontend/v1/stv/Students/getPrestudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/stv/[sS]tudents/(-?[0-9]+)/([A-Z]{2,3})/prestudent/([WS]S[0-9]{4})/(:any)/(:any)'] = 'api/frontend/v1/stv/Students/getPrestudentsOrgform/$1/$2/$3/$5';
+
+// (studiensemester_kurzbz)/(studiengang_kz)/(semester)/grp/(gruppe)
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/(:num)/grp/(:any)'] = 'api/frontend/v1/stv/Students/getStudentsSpezialgruppe/$1/$2/$3/$4';
+
+// (studiensemester_kurzbz)/(studiengang_kz)[/(semester)[/(verband)[/(gruppe)]]]
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)'] = 'api/frontend/v1/stv/Students/getStudents/$1/$2';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/(:num)'] = 'api/frontend/v1/stv/Students/getStudents/$1/$2/$3';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/(:num)/(:any)'] = 'api/frontend/v1/stv/Students/getStudents/$1/$2/$3/$4';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/(:num)/(:any)/(:any)'] = 'api/frontend/v1/stv/Students/getStudents/$1/$2/$3/$4/$5';
+
+// (studiensemester_kurzbz)/(studiengang_kz)/(orgform)/(semester)/grp/(gruppe)
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/([A-Z]{2,3})/(:num)/grp/(:any)'] = 'api/frontend/v1/stv/Students/getStudentsOrgformSpezialgruppe/$1/$2/$3/$4/$5';
+
+// (studiensemester_kurzbz)/(studiengang_kz)/(orgform)[/(semester)[/(verband)[/(gruppe)]]]
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/([A-Z]{2,3})'] = 'api/frontend/v1/stv/Students/getStudentsOrgform/$1/$2/$3';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/([A-Z]{2,3})/(:num)'] = 'api/frontend/v1/stv/Students/getStudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/([A-Z]{2,3})/(:num)/(:any)'] = 'api/frontend/v1/stv/Students/getStudentsOrgform/$1/$2/$3/$4/$5';
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/(-?[0-9]+)/([A-Z]{2,3})/(:num)/(:any)/(:any)'] = 'api/frontend/v1/stv/Students/getStudentsOrgform/$1/$2/$3/$4/$5/$6';
+
+// // (studiensemester_kurzbz)/uid/(uid)
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/uid/(:any)'] = 'api/frontend/v1/stv/Students/getStudent/$1/$2';
+// // (studiensemester_kurzbz)/prestudent/(prestudent_id)
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/prestudent/(:num)'] = 'api/frontend/v1/stv/Students/getPrestudent/$1/$2';
+// // (studiensemester_kurzbz)/person/(person_id)
+$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})/person/(:num)'] = 'api/frontend/v1/stv/Students/getPerson/$1/$2';
+
+// load routes from extensions, also look for environment-specific configs
+$subdirs = ['application/config/extensions', 'application/config/' . ENVIRONMENT . '/extensions'];
+
+foreach($subdirs as $subdir)
 {
-	$files = array_diff($dirlist, array('.','..'));
-
-	foreach ($files as &$item)
+	if(is_dir($subdir))
 	{
-		if (is_dir($subdir . DIRECTORY_SEPARATOR . $item))
+		$dirlist = scandir($subdir);
+		if ($dirlist)
 		{
-			$routes_file = $subdir . DIRECTORY_SEPARATOR . $item . DIRECTORY_SEPARATOR . 'routes.php';
+			$files = array_diff($dirlist, array('.','..'));
 
-			if (file_exists($routes_file))
+			foreach ($files as &$item)
 			{
-				require($routes_file);
+				if (is_dir($subdir . DIRECTORY_SEPARATOR . $item))
+				{
+					$routes_file = $subdir . DIRECTORY_SEPARATOR . $item . DIRECTORY_SEPARATOR . 'routes.php';
+
+					if (file_exists($routes_file))
+					{
+						require($routes_file);
+					}
+				}
 			}
 		}
 	}
 }
-

application/config/search.php

@@ -0,0 +1,874 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+$config['person'] = [
+	'primarykey' => 'person_id',
+	'table' => 'public.tbl_person',
+	'searchfields' => [
+		'uid' => [
+			'comparison' => 'equals',
+			'field' => 'uid',
+			'join' => [
+				'table' => "public.tbl_benutzer",
+				'using' => "person_id"
+			],
+			'1-n' => true
+		],
+		'vorname' => [
+			'alias' => ['firstname'],
+			'comparison' => 'similar',
+			'field' => 'vorname'
+		],
+		'nachname' => [
+			'alias' => ['lastname', 'surename'],
+			'comparison' => 'similar',
+			'field' => 'nachname'
+		],
+		'name' => [
+			'comparison' => 'similar',
+			'field' => "(vorname || ' ' || nachname)"
+		],
+		'email' => [
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				'table' => "public.tbl_kontakt",
+				'on' => "kontakttyp = 'email' AND tbl_kontakt.person_id = tbl_person.person_id"
+			],
+			"1-n" => true
+		],
+		'tel' => [
+			'alias' => ['phone', 'telefon'],
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				'table' => "public.tbl_kontakt",
+				'on' => "kontakttyp IN ('telefon', 'so.tel', 'mobil') AND tbl_kontakt.person_id = tbl_person.person_id"
+			],
+			"1-n" => true
+		],
+		'preid' => [
+			'alias' => ['prestudent_id'],
+			'comparison' => 'equal-int',
+			'field' => 'prestudent_id',
+			'join' => [
+				'table' => "public.tbl_prestudent",
+				'using' => "person_id"
+			],
+			'1-n' => true
+		],
+		'pid' => [
+			'alias' => ['person_id'],
+			'comparison' => 'equal-int',
+			'field' => 'person_id'
+		]
+	],
+	'resultfields' => [
+		"ARRAY( SELECT uid FROM public.tbl_benutzer WHERE person_id = p.person_id ) AS uids",
+		"p.person_id",
+		"(p.vorname || ' ' || p.nachname) AS name",
+		"ARRAY( SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp = 'email' AND person_id=p.person_id ) AS email",
+		"CASE
+			WHEN p.foto IS NOT NULL THEN 'data:image/jpeg' || CONVERT_FROM(DECODE('3b','hex'), 'UTF8') || 'base64,' || p.foto
+			ELSE NULL END
+			AS photo_url"
+	],
+	'resultjoin' => "
+		JOIN public.tbl_person p USING (person_id)"
+];
+
+$config['student'] = [
+	'primarykey' => 'student_uid',
+	'table' => 'public.tbl_student',
+	'searchfields' => [
+		'uid' => [
+			'comparison' => 'equals',
+			'field' => 'student_uid'
+		],
+		'vorname' => [
+			'alias' => ['firstname'],
+			'comparison' => 'similar',
+			'field' => 'vorname',
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'nachname' => [
+			'alias' => ['lastname', 'surename'],
+			'comparison' => 'similar',
+			'field' => 'nachname',
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'name' => [
+			'comparison' => 'similar',
+			'field' => "(vorname || ' ' || nachname)",
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'email' => [
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_kontakt",
+					'on' => "kontakttyp = 'email' AND tbl_kontakt.person_id = tbl_prestudent.person_id"
+				]
+			],
+			"1-n" => true
+		],
+		'tel' => [
+			'alias' => ['phone', 'telefon'],
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_kontakt",
+					'on' => "kontakttyp IN ('telefon', 'so.tel', 'mobil') AND tbl_kontakt.person_id = tbl_prestudent.person_id"
+				]
+			],
+			"1-n" => true
+		],
+		'stg' => [
+			'alias' => ['studiengang'],
+			'comparison' => 'equals',
+			'field' => "typ || kurzbz",
+			'join' => [
+				[
+					'table' => "public.tbl_prestudent",
+					'using' => "prestudent_id"
+				],
+				[
+					'table' => "public.tbl_studiengang",
+					'on' => "tbl_studiengang.studiengang_kz = tbl_prestudent.studiengang_kz"
+				]
+			]
+		],
+		'preid' => [
+			'alias' => ['prestudent_id'],
+			'comparison' => 'equal-int',
+			'field' => 'prestudent_id'
+		],
+		'pid' => [
+			'alias' => ['person_id'],
+			'comparison' => 'equal-int',
+			'field' => 'person_id',
+			'join' => [
+				'table' => "public.tbl_prestudent",
+				'using' => "prestudent_id"
+			]
+		]
+	],
+	'resultfields' => [
+		"s.student_uid AS uid",
+		"s.matrikelnr",
+		"p.person_id",
+		"(p.vorname || ' ' || p.nachname) AS name",
+		"(s.student_uid || '@" . DOMAIN . "') || ARRAY( SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp = 'email' AND person_id=p.person_id ) AS email",
+		"CASE
+			WHEN p.foto IS NOT NULL THEN 'data:image/jpeg' || CONVERT_FROM(DECODE('3b','hex'), 'UTF8') || 'base64,' || p.foto
+			ELSE NULL END
+			AS photo_url",
+		"b.aktiv"
+	],
+	'resultjoin' => "
+		JOIN public.tbl_student s USING (student_uid)
+		JOIN public.tbl_benutzer b ON(b.uid = s.student_uid)
+		JOIN public.tbl_person p USING(person_id)"
+];
+
+$prestudent_sort = [
+	"Student",
+	"Incoming",
+	"Outgoing",
+	"Diplomand",
+	"Unterbrecher",
+	"Aufgenommener",
+	"Wartender",
+	"Bewerber",
+	"Interessent",
+	"Abgewiesener",
+	"Absolvent",
+	"Abbrecher",
+	"Ausserordentlicher",
+	"Praktikant"
+];
+$prestudent_sort_array = "array['" . implode("','", $prestudent_sort) . "']";
+$config['prestudent'] = [
+	'primarykey' => 'prestudent_id',
+	'table' => 'public.tbl_prestudent',
+	'searchfields' => [
+		'uid' => [
+			'comparison' => 'equals',
+			'field' => 'student_uid',
+			'join' => [
+				'table' => "public.tbl_student",
+				'using' => "prestudent_id"
+			]
+		],
+		'vorname' => [
+			'alias' => ['firstname'],
+			'comparison' => 'similar',
+			'field' => 'vorname',
+			'join' => [
+				'table' => "public.tbl_person",
+				'using' => "person_id"
+			]
+		],
+		'nachname' => [
+			'alias' => ['lastname', 'surename'],
+			'comparison' => 'similar',
+			'field' => 'nachname',
+			'join' => [
+				'table' => "public.tbl_person",
+				'using' => "person_id"
+			]
+		],
+		'name' => [
+			'comparison' => 'similar',
+			'field' => "(vorname || ' ' || nachname)",
+			'join' => [
+				'table' => "public.tbl_person",
+				'using' => "person_id"
+			]
+		],
+		'email' => [
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				'table' => "public.tbl_kontakt",
+				'on' => "kontakttyp = 'email' AND tbl_kontakt.person_id = tbl_prestudent.person_id"
+			],
+			"1-n" => true
+		],
+		'tel' => [
+			'alias' => ['phone', 'telefon'],
+			'comparison' => 'similar',
+			'field' => 'kontakt',
+			'join' => [
+				'table' => "public.tbl_kontakt",
+				'on' => "kontakttyp IN ('telefon', 'so.tel', 'mobil') AND tbl_kontakt.person_id = tbl_prestudent.person_id"
+			],
+			"1-n" => true
+		],
+		'stg' => [
+			'alias' => ['studiengang'],
+			'comparison' => 'equals',
+			'field' => "typ || kurzbz",
+			'join' => [
+				'table' => "public.tbl_studiengang",
+				'using' => "studiengang_kz"
+			]
+		],
+		'preid' => [
+			'alias' => ['prestudent_id'],
+			'comparison' => 'equal-int',
+			'field' => 'prestudent_id'
+		],
+		'pid' => [
+			'alias' => ['person_id'],
+			'comparison' => 'equal-int',
+			'field' => 'person_id',
+			'join' => [
+				'table' => "public.tbl_person",
+				'using' => "person_id"
+			]
+		]
+	],
+	'resultfields' => [
+		"ps.prestudent_id",
+		"ps.studiengang_kz",
+		"s.matrikelnr",
+		"p.person_id",
+		"b.uid",
+		"(p.vorname || ' ' || p.nachname) AS name",
+		"(b.uid || '@" . DOMAIN . "') || ARRAY( SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp = 'email' AND person_id=p.person_id ) AS email",
+		"CASE
+			WHEN p.foto IS NOT NULL THEN 'data:image/jpeg' || CONVERT_FROM(DECODE('3b','hex'), 'UTF8') || 'base64,' || p.foto
+			ELSE NULL END
+			AS photo_url",
+		"UPPER(sg.typ || sg.kurzbz) AS stg_kuerzel",
+		"sg.bezeichnung",
+		"(
+			SELECT bezeichnung_mehrsprachig[(TABLE lang)]
+			FROM public.tbl_status
+			WHERE status_kurzbz = public.get_rolle_prestudent(ps.prestudent_id, NULL)
+			LIMIT 1
+		) AS status",
+		"COALESCE(
+			(
+				SELECT COALESCE(plan.orgform_kurzbz, pss.orgform_kurzbz)
+				FROM public.tbl_prestudentstatus pss
+				LEFT JOIN lehre.tbl_studienplan plan USING (studienplan_id)
+				WHERE pss.prestudent_id=ps.prestudent_id
+				ORDER BY pss.datum DESC, pss.insertamum DESC, pss.ext_id DESC
+				LIMIT 1
+			),
+			sg.orgform_kurzbz
+		) AS orgform",
+		"b.aktiv",
+		"array_position(" . $prestudent_sort_array . ", public.get_rolle_prestudent(ps.prestudent_id, NULL)) AS sort"
+	],
+	'resultjoin' => "
+		LEFT JOIN public.tbl_prestudent ps USING (prestudent_id)
+		LEFT JOIN public.tbl_student s ON (ps.prestudent_id = s.prestudent_id)
+		LEFT JOIN public.tbl_benutzer b ON (b.uid = s.student_uid)
+		JOIN public.tbl_person p ON (p.person_id = ps.person_id)
+		LEFT JOIN public.tbl_studiengang sg ON (sg.studiengang_kz = ps.studiengang_kz)"
+];
+
+$config['employee'] = [
+	'alias' => ['ma', 'mitarbeiter'],
+	'primarykey' => 'mitarbeiter_uid',
+	'table' => 'public.tbl_mitarbeiter',
+	'searchfields' => [
+		'uid' => [
+			'alias' => ['mitarbeiter_uid'],
+			'comparison' => 'equals',
+			'field' => "mitarbeiter_uid"
+		],
+		'vorname' => [
+			'alias' => ['firstname'],
+			'comparison' => 'similar',
+			'field' => "vorname",
+			'join' => [
+				[
+					'table' => "public.tbl_benutzer",
+					'on' => "uid = mitarbeiter_uid"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'nachname' => [
+			'alias' => ['lastname', 'surename'],
+			'comparison' => 'similar',
+			'field' => "nachname",
+			'join' => [
+				[
+					'table' => "public.tbl_benutzer",
+					'on' => "uid = mitarbeiter_uid"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'name' => [
+			'comparison' => 'similar',
+			'field' => "(vorname || ' ' || nachname)",
+			'join' => [
+				[
+					'table' => "public.tbl_benutzer",
+					'on' => "uid = mitarbeiter_uid"
+				],
+				[
+					'table' => "public.tbl_person",
+					'using' => "person_id"
+				]
+			]
+		],
+		'email' => [
+			'comparison' => 'similar',
+			'field' => "COALESCE(alias, uid) || '" . '@' . DOMAIN . "'",
+			'join' => [
+				'table' => "public.tbl_benutzer",
+				'on' => "uid = mitarbeiter_uid"
+			]
+		],
+		'tel' => [
+			'alias' => ['phone', 'telefon'],
+			'comparison' => 'similar',
+			'field' => "TRIM(COALESCE(kontakt, '') || ' ' || COALESCE(telefonklappe, ''))",
+			'join' => [
+				'table' => "public.tbl_kontakt",
+				'on' => "kontakttyp = 'telefon' AND tbl_kontakt.standort_id = tbl_mitarbeiter.standort_id"
+			],
+			"1-n" => true
+		],
+		'pid' => [
+			'alias' => ['person_id'],
+			'comparison' => 'equal-int',
+			'field' => "person_id",
+			'join' => [
+				'table' => "public.tbl_benutzer",
+				'on' => "uid = mitarbeiter_uid"
+			]
+		],
+		'oe' => [
+			'alias' => ['ou', 'organisationseinheit', 'organisationunit'],
+			'comparison' => 'vector',
+			'field' => "fts_bezeichnung",
+			'join' => [
+				[
+					'table' => "public.tbl_benutzerfunktion",
+					'on' => "mitarbeiter_uid = uid
+						AND funktion_kurzbz = 'oezuordnung'
+						AND (datum_von IS NULL OR datum_von <= NOW())
+						AND (datum_bis IS NULL OR datum_bis >= NOW())"
+				],
+				[
+					'table' => "public.tbl_organisationseinheit",
+					'using' => "oe_kurzbz"
+				]
+			],
+			'1-n' => true
+		],
+		'kst' => [
+			'comparison' => 'vector',
+			'field' => "fts_bezeichnung",
+			'join' => [
+				[
+					'table' => "public.tbl_benutzerfunktion",
+					'on' => "mitarbeiter_uid = uid
+						AND funktion_kurzbz = 'kstzuordnung'
+						AND (datum_von IS NULL OR datum_von <= NOW())
+						AND (datum_bis IS NULL OR datum_bis >= NOW())"
+				],
+				[
+					'table' => "public.tbl_organisationseinheit",
+					'using' => "oe_kurzbz"
+				]
+			],
+			'1-n' => true
+		]
+	],
+	'resultfields' => [
+		"b.uid",
+		"p.person_id",
+		"(p.vorname || ' ' || p.nachname) AS name",
+		"ARRAY(
+			SELECT
+				'[' || ot.bezeichnung || '] ' || o.bezeichnung AS bezeichnung
+			FROM public.tbl_benutzerfunktion bf
+			JOIN public.tbl_organisationseinheit o USING(oe_kurzbz)
+			JOIN public.tbl_organisationseinheittyp ot USING(organisationseinheittyp_kurzbz)
+			WHERE bf.funktion_kurzbz = 'oezuordnung'
+				AND (bf.datum_von IS NULL OR bf.datum_von <= NOW())
+				AND (bf.datum_bis IS NULL OR bf.datum_bis >= NOW())
+				AND bf.uid = b.uid
+			GROUP BY o.bezeichnung, ot.bezeichnung
+		) AS organisationunit_name",
+		"COALESCE(b.alias, b.uid) || '" . '@' . DOMAIN . "' AS email",
+		"TRIM(COALESCE(k.kontakt, '') || ' ' || COALESCE(m.telefonklappe, '')) AS phone",
+		"'" . base_url("/cis/public/bild.php?src=person&person_id=") . "' || p.person_id AS photo_url",
+		"ARRAY(
+			SELECT
+				'[' || ot.bezeichnung || '] ' || o.bezeichnung AS bezeichnung
+			FROM public.tbl_benutzerfunktion bf
+			JOIN public.tbl_organisationseinheit o USING(oe_kurzbz)
+			JOIN public.tbl_organisationseinheittyp ot USING(organisationseinheittyp_kurzbz)
+			WHERE bf.funktion_kurzbz = 'kstzuordnung'
+				AND (bf.datum_von IS NULL OR bf.datum_von <= NOW())
+				AND (bf.datum_bis IS NULL OR bf.datum_bis >= NOW())
+				AND bf.uid = b.uid
+			GROUP BY o.bezeichnung, ot.bezeichnung
+		) AS standardkostenstelle"
+	],
+	'resultjoin' => "
+		JOIN public.tbl_mitarbeiter m USING (mitarbeiter_uid)
+		JOIN public.tbl_benutzer b ON (b.uid = m.mitarbeiter_uid)
+		JOIN public.tbl_person p USING(person_id)
+		LEFT JOIN (
+			SELECT kontakt, standort_id
+			FROM public.tbl_kontakt
+			WHERE kontakttyp = 'telefon'
+		) k ON (k.standort_id = m.standort_id)"
+];
+
+// TODO(chris): move to searchpv21.php
+$config['unassigned_employee'] = $config['employee'];
+$config['unassigned_employee']['alias'] = ['mitarbeiter_ohne_zuordnung'];
+$config['unassigned_employee']['prepare'] = "unassigned_employee AS (
+	SELECT tbl_mitarbeiter.*
+	FROM public.tbl_mitarbeiter
+	LEFT JOIN public.tbl_benutzerfunktion ON (
+		uid = mitarbeiter_uid
+		AND funktion_kurzbz = 'kstzuordnung'
+		AND (datum_von IS NULL OR datum_von <= NOW())
+		AND (datum_bis IS NULL OR datum_bis >= NOW())
+	)
+	WHERE tbl_benutzerfunktion.bezeichnung IS NULL
+	UNION
+	SELECT tbl_mitarbeiter.*
+	FROM public.tbl_mitarbeiter
+	LEFT JOIN public.tbl_benutzerfunktion ON (
+		uid = mitarbeiter_uid
+		AND funktion_kurzbz = 'oezuordnung'
+		AND (datum_von IS NULL OR datum_von <= NOW())
+		AND (datum_bis IS NULL OR datum_bis >= NOW())
+	)
+	WHERE tbl_benutzerfunktion.bezeichnung IS NULL
+)";
+$config['unassigned_employee']['table'] = "unassigned_employee";
+$config['unassigned_employee']['searchfields']['tel']['join']['on'] = "
+	kontakttyp = 'telefon' 
+	AND tbl_kontakt.standort_id = unassigned_employee.standort_id
+";
+$config['unassigned_employee']['renderer'] = 'employee';
+
+$config['organisationunit'] = [
+	'alias' => ['ou', 'organisationseinheit', 'oe'],
+	'primarykey' => 'oe_kurzbz',
+	'table' => 'public.tbl_organisationseinheit',
+	'searchfields' => [
+		'uid' => [
+			'comparison' => 'equals',
+			'field' => 'uid',
+			'prepare' => "organisationunit_leader(oe_kurzbz, uid, vorname, nachname) AS (
+				SELECT oe_kurzbz, vorname, nachname, uid
+				FROM public.tbl_benutzerfunktion
+				JOIN public.tbl_benutzer USING (uid)
+				JOIN public.tbl_person USING (person_id)
+				WHERE funktion_kurzbz = 'Leitung'
+				   AND (datum_von IS NULL OR datum_von <= NOW())
+				   AND (datum_bis IS NULL OR datum_bis >= NOW())
+				   AND tbl_benutzer.aktiv = TRUE
+			)",
+			'join' => [
+				'table' => "organisationunit_leader",
+				'using' => "oe_kurzbz"
+			],
+			'1-n' => true
+		],
+		'vorname' => [
+			'alias' => ['firstname'],
+			'comparison' => 'similar',
+			'field' => 'vorname',
+			'prepare' => "organisationunit_leader(oe_kurzbz, uid, vorname, nachname) AS (
+				SELECT oe_kurzbz, vorname, nachname, uid
+				FROM public.tbl_benutzerfunktion
+				JOIN public.tbl_benutzer USING (uid)
+				JOIN public.tbl_person USING (person_id)
+				WHERE funktion_kurzbz = 'Leitung'
+				   AND (datum_von IS NULL OR datum_von <= NOW())
+				   AND (datum_bis IS NULL OR datum_bis >= NOW())
+				   AND tbl_benutzer.aktiv = TRUE
+			)",
+			'join' => [
+				'table' => "organisationunit_leader",
+				'using' => "oe_kurzbz"
+			],
+			'1-n' => true
+		],
+		'nachname' => [
+			'alias' => ['lastname', 'surename'],
+			'comparison' => 'similar',
+			'field' => 'nachname',
+			'prepare' => "organisationunit_leader(oe_kurzbz, uid, vorname, nachname) AS (
+				SELECT oe_kurzbz, vorname, nachname, uid
+				FROM public.tbl_benutzerfunktion
+				JOIN public.tbl_benutzer USING (uid)
+				JOIN public.tbl_person USING (person_id)
+				WHERE funktion_kurzbz = 'Leitung'
+				   AND (datum_von IS NULL OR datum_von <= NOW())
+				   AND (datum_bis IS NULL OR datum_bis >= NOW())
+				   AND tbl_benutzer.aktiv = TRUE
+			)",
+			'join' => [
+				'table' => "organisationunit_leader",
+				'using' => "oe_kurzbz"
+			],
+			'1-n' => true
+		],
+		'name' => [
+			'comparison' => 'similar',
+			'field' => "(vorname || ' ' || nachname)",
+			'prepare' => "organisationunit_leader(oe_kurzbz, uid, vorname, nachname) AS (
+				SELECT oe_kurzbz, vorname, nachname, uid
+				FROM public.tbl_benutzerfunktion
+				JOIN public.tbl_benutzer USING (uid)
+				JOIN public.tbl_person USING (person_id)
+				WHERE funktion_kurzbz = 'Leitung'
+				   AND (datum_von IS NULL OR datum_von <= NOW())
+				   AND (datum_bis IS NULL OR datum_bis >= NOW())
+				   AND tbl_benutzer.aktiv = TRUE
+			)",
+			'join' => [
+				'table' => "organisationunit_leader",
+				'using' => "oe_kurzbz"
+			],
+			'1-n' => true
+		],
+		'oe' => [
+			'alias' => ['ou', 'organisationseinheit', 'organisationunit'],
+			'comparison' => 'vector',
+			'field' => "fts_bezeichnung"
+		],
+		'kurzbz' => [
+			'alias' => ['oe_kurzbz'],
+			'comparison' => 'equals',
+			'field' => "oe_kurzbz"
+		]
+	],
+	'resultfields' => [
+		"oe.oe_kurzbz",
+		"('[' || type.bezeichnung || '] ' || oe.bezeichnung) AS name",
+		"oe_parent.oe_kurzbz AS parentoe_kurzbz",
+		"(CASE WHEN oe_parent.bezeichnung IS NOT NULL THEN '[' || type_parent.bezeichnung || '] ' || oe_parent.bezeichnung END) AS parentoe_name",
+		"ARRAY(
+			SELECT JSON_BUILD_OBJECT('uid', b.uid, 'vorname', p.vorname, 'nachname', p.nachname, 'name', (p.vorname || ' ' || p.nachname))
+			FROM public.tbl_benutzerfunktion bf
+			JOIN public.tbl_benutzer b USING (uid)
+			JOIN public.tbl_person p USING (person_id)
+			WHERE funktion_kurzbz = 'Leitung'
+			AND (datum_von IS NULL OR datum_von <= NOW())
+			AND (datum_bis IS NULL OR datum_bis >= NOW())
+			AND b.aktiv = TRUE
+			AND oe_kurzbz = oe.oe_kurzbz
+		) AS leaders",
+		"(
+			SELECT COUNT(*)
+			FROM public.tbl_benutzerfunktion
+			WHERE funktion_kurzbz = 'oezuordnung'
+			AND (datum_von IS NULL OR datum_von <= NOW())
+			AND (datum_bis IS NULL OR datum_bis >= NOW())
+			AND oe_kurzbz = oe.oe_kurzbz
+		) AS number_of_people",
+		"(CASE WHEN oe.mailverteiler THEN oe.oe_kurzbz || '" . '@' . DOMAIN . "' END) AS mailgroup"
+	],
+	'resultjoin' => "
+		JOIN public.tbl_organisationseinheit oe
+			USING (oe_kurzbz)
+		JOIN public.tbl_organisationseinheittyp type
+			USING (organisationseinheittyp_kurzbz)
+		LEFT JOIN public.tbl_organisationseinheit oe_parent
+			ON (oe_parent.oe_kurzbz = oe.oe_parent_kurzbz)
+		LEFT JOIN public.tbl_organisationseinheittyp type_parent
+			ON (oe_parent.organisationseinheittyp_kurzbz = type_parent.organisationseinheittyp_kurzbz)"
+];
+
+$config['room'] = [
+	'alias' => ['raum'],
+	'primarykey' => 'ort_kurzbz',
+	'table' => 'public.tbl_ort',
+	'searchfields' => [
+		'name' => [
+			'comparison' => 'similar',
+			'field' => 'ort_kurzbz'
+		]
+	],
+	'resultfields' => [
+		"ort.ort_kurzbz",
+		"ort.gebteil AS building",
+		"ort.ausstattung AS equipment",
+		"ort.stockwerk AS floor",
+		"ort.dislozierung AS room_number",
+		"ort.content_id",
+		"address.ort AS city",
+		"address.plz AS zip",
+		"address.strasse AS street",
+		"ort.max_person",
+		"ort.arbeitsplaetze AS workplaces"
+	],
+	'resultjoin' => "
+		JOIN public.tbl_ort ort
+			USING (ort_kurzbz)
+		LEFT JOIN public.tbl_standort
+			USING (standort_id)
+		LEFT JOIN public.tbl_adresse address
+			USING (adresse_id)"
+];
+$sprache = getUserLanguage();
+$config['cms'] = [
+	'primarykey' => 'contentsprache_id',
+	'table' => 'campus.tbl_contentsprache',
+	'prepare' => "
+		cms_auth (content_id) AS (
+			SELECT content_id
+			FROM campus.tbl_content c
+			WHERE NOT EXISTS (SELECT 1 FROM campus.tbl_contentgruppe g WHERE g.content_id=c.content_id)
+			UNION
+			SELECT content_id
+			FROM public.vw_gruppen g
+			JOIN campus.tbl_contentgruppe c USING (gruppe_kurzbz)
+			WHERE uid = (TABLE auth)
+		),
+		cms_active (content_id, template_kurzbz) AS (
+			SELECT content_id, template_kurzbz
+			FROM cms_auth
+			JOIN campus.tbl_content USING (content_id)
+			WHERE aktiv = TRUE
+		),
+		cms_active_redirect (content_id) AS (
+			SELECT content_id
+			FROM cms_active
+			WHERE template_kurzbz = 'redirect'
+		),
+		cms_active_redirect_linked (content_id) AS (
+			SELECT content_id
+			FROM cms_active_redirect
+			JOIN campus.tbl_contentsprache USING (content_id)
+			WHERE LEFT((xpath('string(/content/url)', content))[1]::text, 1) <> '#'
+		),
+		cms_active_others (content_id) AS (
+			SELECT content_id
+			FROM cms_active
+			WHERE template_kurzbz IN ('contentmittitel', 'contentohnetitel', 'contentmittitel_filterwidget')
+		)
+	",
+	'searchfields' => [
+		'content' => [
+			'alias' => ['inhalt'],
+			'comparison' => "vector",
+			'field' => "(
+				setweight(to_tsvector('simple', COALESCE(titel, '')), 'A') 
+				|| 
+				setweight(to_tsvector('simple', COALESCE(content, '')::text), 'B')
+			)"
+		],
+		'content_id' => [
+			'alias' => ['id'],
+			'comparison' => "equal-int",
+			'field' => "content_id"
+		],
+		'lang' => [
+			'alias' => ['language', 'sprache'],
+			'comparison' => "equals",
+			'field' => "sprache"
+		]
+	],
+	'resultfields' => [
+		"contentsprache.content_id",
+		"content.template_kurzbz",
+		"contentsprache.version",
+		"contentsprache.sprache AS language",
+		"contentsprache.titel AS title",
+		"contentsprache.content",
+		"(xpath('string(/content/url)', contentsprache.content))[1] AS content_url"
+	],
+	'resultjoin' => "
+		JOIN campus.tbl_contentsprache contentsprache
+			USING (contentsprache_id)
+		JOIN campus.tbl_content content
+			USING (content_id)
+		WHERE content_id IN (
+			SELECT content_id 
+			FROM cms_active_redirect_linked 
+			UNION 
+			SELECT content_id 
+			FROM cms_active_others
+		)
+		AND version = campus.get_highest_content_version(content_id)
+		AND contentsprache.sprache = '{$sprache}'"
+];
+
+$config['dms'] = [
+	'primarykey' => 'dms_id, version',
+	'table' => 'campus.tbl_dms_version',
+	'searchfields' => [
+		'keywords' => [
+			'alias' => ['keyword', 'keywords', 'schlagwort', 'schlagworte'],
+			'comparison' => "vector",
+			'field' => "(to_tsvector('simple', COALESCE(schlagworte, '')))"
+		]
+	],
+	'resultfields' => [
+		"v.dms_id",
+		"v.version",
+		"v.filename",
+		"v.mimetype",
+		"v.name",
+		"v.beschreibung AS description",
+		"v.schlagworte AS keywords"
+	],
+	'resultjoin' => "
+		JOIN campus.tbl_dms_version v
+			USING (dms_id, version)
+		WHERE cis_suche = TRUE
+			AND version=(SELECT MAX(version) FROM campus.tbl_dms_version WHERE dms_id=v.dms_id)
+			AND NOT EXISTS (
+				SELECT
+					1
+				FROM
+					fue.tbl_projekt_dokument p
+				WHERE p.dms_id = v.dms_id
+			) AND (
+				NOT EXISTS (
+					WITH RECURSIVE categories (kategorie_kurzbz) AS (
+						SELECT
+							kategorie_kurzbz
+						FROM
+							campus.tbl_dms c
+						WHERE c.dms_id = v.dms_id
+						UNION ALL
+						SELECT
+							cat.parent_kategorie_kurzbz AS kategorie_kurzbz
+						FROM
+							categories
+							JOIN campus.tbl_dms_kategorie cat USING (kategorie_kurzbz)
+					)
+					SELECT
+						1
+					FROM
+						categories
+					JOIN campus.tbl_dms_kategorie_gruppe USING (kategorie_kurzbz)
+					UNION
+					SELECT
+						1
+					FROM
+						categories
+						JOIN campus.tbl_dms_kategorie USING (kategorie_kurzbz)
+					WHERE
+						berechtigung_kurzbz IS NOT NULL
+				) OR EXISTS (
+					WITH RECURSIVE categories (kategorie_kurzbz) AS (
+						SELECT
+							kategorie_kurzbz
+						FROM
+							campus.tbl_dms c
+						WHERE c.dms_id = v.dms_id
+						UNION ALL
+						SELECT
+							cat.parent_kategorie_kurzbz AS kategorie_kurzbz
+						FROM
+							categories
+							JOIN campus.tbl_dms_kategorie cat USING (kategorie_kurzbz)
+					)
+					SELECT
+						1
+					FROM
+						categories
+						JOIN campus.tbl_dms_kategorie_gruppe USING (kategorie_kurzbz)
+						JOIN public.tbl_benutzergruppe USING(gruppe_kurzbz)
+					WHERE
+						uid = (TABLE auth)
+				)
+			)"
+];

application/config/searchcis.php

@@ -0,0 +1,48 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+$CI =& get_instance();
+
+
+$config['employee'] = $CI->config->item('employee', 'search');
+$config['employee']['resultjoin'] = "
+		JOIN public.tbl_mitarbeiter m USING (mitarbeiter_uid)
+		JOIN public.tbl_benutzer b ON (b.uid = m.mitarbeiter_uid AND b.aktiv = true)
+		JOIN public.tbl_person p USING(person_id)
+		LEFT JOIN (
+			SELECT kontakt, standort_id
+			FROM public.tbl_kontakt
+			WHERE kontakttyp = 'telefon'
+		) k ON (k.standort_id = m.standort_id)";
+
+$config['student'] = $CI->config->item('student', 'search');
+unset($config['student']['searchfields']['email']);
+unset($config['student']['searchfields']['tel']);
+$config['student']['resultfields'] = [
+	"s.student_uid AS uid",
+	"s.matrikelnr",
+	"p.person_id",
+	"(p.vorname || ' ' || p.nachname) AS name",
+	"ARRAY[s.student_uid || '@' || '" . DOMAIN . "'] AS email",
+	"CASE
+		WHEN (p.foto_sperre = false AND p.foto IS NOT NULL) THEN 'data:image/jpeg' || CONVERT_FROM(DECODE('3b','hex'), 'UTF8') || 'base64,' || p.foto
+		ELSE NULL END
+		AS photo_url",
+	"b.aktiv"
+];
+$config['student']['resultjoin'] = "
+		JOIN public.tbl_student s USING (student_uid)
+		JOIN public.tbl_benutzer b ON(b.uid = s.student_uid AND b.aktiv = true)
+		JOIN public.tbl_person p USING(person_id)";
+
+$config['organisationunit'] = $CI->config->item('organisationunit', 'search');
+$config['organisationunit']['prepare'] = 'active_organisationseinheit AS (SELECT * FROM public.tbl_organisationseinheit WHERE aktiv = true AND organisationseinheittyp_kurzbz <> \'Container\')';
+$config['organisationunit']['table'] = 'active_organisationseinheit';
+
+$config['room'] = $CI->config->item('room', 'search');
+
+$config['cms'] = $CI->config->item('cms', 'search');
+
+$config['dms'] = $CI->config->item('dms', 'search');

application/config/searchfunctions.php

@@ -0,0 +1,35 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+/*
+ * TODO: 2025-07-21 ma0080 bare integer comparision results in db error
+ *       if searchstring is numeric but out of range of int, think about 
+ *       more sophisticated solution using column data type - quick fix 
+ *       convert field and search string to text
+ */
+$config['equal-int'] = [
+	'priority' => 4,
+	'rank' => "0",
+	'compare' => "{field}::text = {word}::text",
+	'force_integer' => true
+];
+
+$config['equals'] = [
+	'priority' => 3,
+	'rank' => "0",
+	'compare' => "LOWER({field}) = {word}"
+];
+
+$config['similar'] = [
+	'priority' => 2,
+	'rank' => "(COALESCE({field}, '') <->> {word})",
+	'compare' => "COALESCE({field}, '') %> {word}",
+	'compare_boolean' => "COALESCE({field}, '') ILIKE {like:word}"
+];
+
+$config['vector'] = [
+	'priority' => 1,
+	'rank' => "ts_rank({field}, plainto_tsquery('simple', {word}))",
+	'compare' => "plainto_tsquery('simple', {word}) @@ {field}"
+];
+

application/config/searchstv.php

@@ -0,0 +1,49 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+$CI =& get_instance();
+
+
+$config['student'] = $CI->config->item('student', 'search');
+$config['student']['searchfields']['pkz'] = [
+	'alias' => ['personenkennzeichen', 'personalid'],
+	'comparison' => 'equals',
+	'field' => 'matrikelnr'
+];
+$config['student']['searchfields']['matrnr'] = [
+	'alias' => ['matrikelnr', 'matrikelnummer', 'matrno', 'matriculationno', 'matriculationnumber', 'studno', 'studentno', 'studentnumber'],
+	'comparison' => 'equals',
+	'field' => 'matr_nr',
+	'join' => [
+		[
+			'table' => "public.tbl_prestudent",
+			'using' => "prestudent_id"
+		],
+		[
+			'table' => "public.tbl_person",
+			'using' => "person_id"
+		]
+	]
+];
+
+$config['prestudent'] = $CI->config->item('prestudent', 'search');
+$config['prestudent']['searchfields']['pkz'] = [
+	'alias' => ['personenkennzeichen', 'personalid'],
+	'comparison' => 'equals',
+	'field' => 'matrikelnr',
+	'join' => [
+		'table' => "public.tbl_student",
+		'using' => "prestudent_id"
+	]
+];
+$config['prestudent']['searchfields']['matrnr'] = [
+	'alias' => ['matrikelnr', 'matrikelnummer', 'matrno', 'matriculationno', 'matriculationnumber', 'studno', 'studentno', 'studentnumber'],
+	'comparison' => 'equals',
+	'field' => 'matr_nr',
+	'join' => [
+		'table' => "public.tbl_person",
+		'using' => "person_id"
+	]
+];

application/config/stv.php

@@ -0,0 +1,132 @@
+<?php
+
+$config['number_displayed_past_studiensemester_default'] = 5;
+$config['tabs'] =
+	[
+		'details' => [
+			//all fields can be configured to be hidden, see class attribute stv-details-details-name for name
+			'hiddenFields' => [],
+			'hideUDFs' => false
+		],
+
+		'prestudent' => [
+
+			//all fields can be configured to be hidden, see class attribute stv-details-prestudent-name for name
+			'hiddenFields' => [
+
+				//propably used by FH-Communities
+				'aufnahmeschluessel', 'standort_code', 'facheinschlaegigBerufstaetig'
+
+			],
+			'hideUDFs' => false
+		],
+		'finalexam' => [
+			'documents' => [
+				'pruefungsprotokoll' => [
+					'de' => [
+						'Bakk' => 'PrProtBA',
+						'Master' => 'PrProtMA',
+					],
+					'en' => [
+						'Bakk' => 'PrProtBAEng',
+						'Master' => 'PrProtMAEng',
+					],
+				],
+				'pruefungszeugnis' => [
+					'de' => [
+						'Bakk' => 'Bakkzeugnis',
+						'Master' => 'Diplomzeugnis',
+					],
+					'en' => [
+						'Bakk' => 'BakkzeugnisEng',
+						'Master' => 'DiplomzeugnisEng',
+					],
+				],
+				'urkunde' => [
+					'de' => [
+						'Bakk' => 'Bakkurkunde',
+						'Master' => 'Diplomurkunde',
+					],
+					'en' => [
+						'Bakk' => 'BakkurkundeEng',
+						'Master' => 'DiplomurkundeEng',
+					],
+				],
+			],
+		],
+		'exemptions' => [
+			//if true, Anrechnungen can be added and edited in tab Anrechnungen
+			'editableAnrechnungen' => false,
+		],
+		'notes' => [
+			//if true, the count of Messages will be shown in the header of the Tab Messages
+			'showCountNotes' => true
+		],
+		'combinePeople' => [
+			//multitab should only be shown with this length of selection
+			'validCountMulti' => 2,
+		],
+	];
+
+// List of fields to show when ZGV_DOKTOR_ANZEIGEN is defined
+$fieldsZgvDoktor = ['zgvdoktorort', 'zgvdoktordatum', 'zgvdoktornation', 'zgvdoktor_erfuellt', 'zgvdoktor_code'];
+
+// List of fields to show when ZGV_ERFUELLT_ANZEIGEN is defined
+$fieldsZgvErfuellt = ['zgv_erfuellt', 'zgvmas_erfuellt','zgvdoktor_erfuellt'];
+
+//order important: to show zgf_erfuellt_doktor just in case visibility of doktor is true
+if (!defined('ZGV_ERFUELLT_ANZEIGEN') || !ZGV_ERFUELLT_ANZEIGEN) {
+	$config['tabs']['prestudent']['hiddenFields'] = array_merge(
+		$config['tabs']['prestudent']['hiddenFields'], $fieldsZgvErfuellt
+	);
+}
+
+if (!defined('ZGV_DOKTOR_ANZEIGEN') || !ZGV_DOKTOR_ANZEIGEN) {
+	$config['tabs']['prestudent']['hiddenFields'] = array_merge(
+		$config['tabs']['prestudent']['hiddenFields'],
+		$fieldsZgvDoktor
+	);
+}
+
+$config['tabs']['projektarbeit']['defaultProjektbetreuerStunden'] =
+	defined('FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_BACHELOR')
+	? FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_BACHELOR
+	: '0.0';
+$config['tabs']['projektarbeit']['defaultProjektbetreuerStundenDiplom'] =
+	defined('FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_MASTER')
+	? FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_MASTER
+	: '0.0';
+$config['tabs']['projektarbeit']['defaultProjektbetreuerStundensatz'] = '80.0';
+
+$config['student_tab_order'] = [
+	'details',
+	'notes',
+	'messages',
+	'contact',
+	'prestudent',
+	'status',
+	'documents',
+	'archive',
+	'banking',
+	'grades',
+	'exam',
+	'exemptions',
+	'projektarbeit',
+	'finalexam',
+	'mobility',
+	'jointstudies',
+	'admissionDates',
+	'groups',
+	'functions',
+	'coursedates',
+	'resources',
+];
+$config['students_tab_order'] = [
+	'banking',
+	'status',
+	'messages',
+	'groups',
+	'finalexam',
+	'combinePeople',
+	'archive',
+];

application/config/theme.php

@@ -0,0 +1,11 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+// changing the color theme
+
+$config['theme_name']='default';
+$config['theme_css']= "public/css/theme/default.css";
+$config['theme_logo']= "public/images/logo_fh-complete_300x46.png";
+$config['theme_modes']=['light','dark'];

application/controllers/Cis/Abgabetool.php

@@ -0,0 +1,108 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Abgabetool extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => self::PERM_LOGGED,
+			'getStudentProjektarbeitAbgabeFile' => self::PERM_LOGGED,
+			'Mitarbeiter' => self::PERM_LOGGED,
+			'Student' => self::PERM_LOGGED,
+			'Deadlines' => self::PERM_LOGGED
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+
+		$viewData = array(
+			'uid'=>getAuthUID(),
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'Abgabetool']);
+	}
+
+	public function Student()
+	{
+
+		$viewData = array(
+			'uid'=>getAuthUID(),
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'AbgabetoolStudent']);
+	}
+
+	public function Mitarbeiter()
+	{
+
+		$viewData = array(
+			'uid'=>getAuthUID(),
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'AbgabetoolMitarbeiter']);
+	}
+
+	public function Deadlines()
+	{
+
+		$viewData = array(
+			'uid'=>getAuthUID(),
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'DeadlinesOverview']);
+	}
+
+
+	public function getStudentProjektarbeitAbgabeFile() 
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->helper('download');
+		
+		$paabgabe_id = $this->_ci->input->get('paabgabe_id');
+		$student_uid = $this->_ci->input->get('student_uid');
+
+		if (!isset($paabgabe_id) || isEmptyString($paabgabe_id) || !isset($student_uid) || isEmptyString($student_uid))
+			$this->terminateWithJsonError($this->p->t('global', 'wrongParameters'), 'general');
+		
+		$this->_ci->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+
+		$isZugeteilterBetreuer = count($this->_ci->ProjektarbeitModel->checkZuordnung($student_uid, getAuthUID())->retval) > 0;
+		
+		if(getAuthUID() == $student_uid || $isZugeteilterBetreuer) {
+			$file_path = PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf';
+			if(file_exists($file_path)) {
+				
+				header('Content-Description: File Transfer');
+				header('Content-Type: application/octet-stream');
+				header('Expires: 0');
+				header('Cache-Control: must-revalidate');
+				header('Pragma: public');
+				header('Content-Disposition: attachment; filename="'.basename($file_path).'"');
+				header('Content-Length: ' . filesize($file_path));
+
+				flush(); // send headers first just in case
+				readfile($file_path); // read file content to output buffer
+				
+			} else {
+				$this->terminateWithJsonError('File not found');
+			}
+		} else {
+			$this->terminateWithJsonError('Keine Zuordnung!');
+		}
+	}
+}

application/controllers/Cis/Auth.php

@@ -0,0 +1,78 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+ 
+/**
+ *
+ */
+class Auth extends FHC_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// Load Helpers
+		$this->load->helper('form');
+		$this->load->helper('hlp_authentication');
+
+		// Loads phrases system
+		$this->loadPhrases([
+			'global'
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function login()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('username', 'Username', 'required|trim|callback_validation');
+		$this->form_validation->set_rules('password', 'Password', 'required|trim');
+
+
+		if ($this->form_validation->run())
+		{
+			redirect($this->authlib->getLandingPage('/CisVue/Dashboard'));
+		}
+		else
+		{
+			$this->load->view('Cis/Login');
+		}
+	}
+
+	/**
+	 * @return boolean
+	 */
+	public function validation()
+	{
+		$username = $this->input->post('username');
+		$password = $this->input->post('password');
+
+		$this->load->library('AuthLib', [false]); // without authentication otherwise loooooop!
+
+		$login = $this->authlib->loginLDAP($username, $password);
+		if (isSuccess($login))
+			return true;
+		$this->form_validation->set_message('validation', 'Incorrect username/password.');
+		return false;
+	}
+
+	/**
+	 * @return void
+	 */
+	public function logout()
+	{
+		$this->load->library('AuthLib');
+		$this->authlib->logout();
+		setcookie('fhclogout', 'fhclogout', 0, '/');
+		redirect(base_url('/cis/private/logout.php'), 'refresh');
+	}
+}

application/controllers/Cis/Documents.php

@@ -0,0 +1,192 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \stdClass as stdClass;
+
+/**
+ *
+ */
+class Documents extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => [self::PERM_LOGGED],
+			'student' => ['admin:r'],
+			'download' => [self::PERM_LOGGED]
+		]);
+
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+
+		$this->loadPhrases([
+			'global',
+			'tools'
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+		return $this->showDocuments(getAuthUID());
+	}
+
+	/**
+	 * @param string		$uid		Administratoren dürfen die UID als Parameter übergeben um die Dokumente von anderen Personen anzuzeigen
+	 * @return void
+	 */
+	public function student($uid)
+	{
+		return $this->showDocuments($uid);
+	}
+
+	/**
+	 * @param string		$uid
+	 * @return void
+	 */
+	protected function showDocuments($uid)
+	{
+		$this->load->model('crm/Konto_model', 'KontoModel');
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$stati = $this->PrestudentstatusModel->loadWhereUid($uid, null, true);
+		if (isError($stati))
+			return $this->load->view('errors/html/error_db.php', [
+				'heading' => 'Database Error',
+				'message' => getError($stati)
+			]);
+		$stati = getData($stati);
+		if (!$stati)
+			return $this->load->view('errors/html/error_general.php', [
+				'heading' => 'User ist kein Student',
+				'message' => 'Es konnten keine Studiensemester gefunden werden in denen der User als Student inskripiert ist'
+			]);
+
+		$stgs = [];
+		$stsemArray = [];
+		$buchungstypen = defined("CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN") ? unserialize(CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN) : [];
+		$person_ids = [];
+		foreach ($stati as $status) {
+			$person_ids[] = $status->person_id;
+
+			if(!in_array($status->studiensemester_kurzbz, $stsemArray)) {
+				$stsemArray[] = $status->studiensemester_kurzbz;
+			}
+			
+			if (!isset($stgs[$status->studiengang_kz])) {
+				$stg = $this->StudiengangModel->load($status->studiengang_kz);
+				if (isError($stg))
+					return $this->load->view('errors/html/error_db.php', [
+						'heading' => 'Database Error',
+						'message' => getError($stg)
+					]);
+				$stg = getData($stg);
+				if (!$stg)
+					return $this->load->view('errors/html/error_db.php', [
+						'heading' => 'Database Error',
+						'message' => 'No Studiengang found for studiengang_kz ' . $status->studiengang_kz
+					]);
+				$stgs[$status->studiengang_kz] = current($stg);
+				$stgs[$status->studiengang_kz]->studiensemester = [];
+			}
+			if (!isset($stgs[$status->studiengang_kz]->studiensemester[$status->studiensemester_kurzbz])) {
+				$stgs[$status->studiengang_kz]->studiensemester[$status->studiensemester_kurzbz] = new stdClass();
+				$stgs[$status->studiengang_kz]->studiensemester[$status->studiensemester_kurzbz]->inskriptionsbestaetigung = (boolean)getData(
+					$this->KontoModel->checkStudienbeitragFromPrestudent(
+						$status->prestudent_id,
+						$status->studiensemester_kurzbz,
+						$buchungstypen
+					)
+				);
+			}
+		}
+		$person_ids = array_unique($person_ids);
+
+		$selfservice = null;
+		if (!defined('CIS_DOKUMENTE_SELFSERVICE') || CIS_DOKUMENTE_SELFSERVICE) {
+			$this->load->model('crm/Akte_model', 'AkteModel');
+			$selfservice = [];
+			foreach ($person_ids as $person_id) {
+				$result = $this->AkteModel->getArchiv($person_id, null, true);
+				if (isError($result))
+					return $this->load->view('errors/html/error_db.php', [
+						'heading' => 'Database Error',
+						'message' => getError($result)
+					]);
+				$selfservice = array_merge($selfservice, getData($result) ?: []);
+			}
+		}
+
+		
+		$this->load->view('Cis/Documents', [
+			'stsemArray' => $stsemArray,
+			'stgs' => $stgs,
+			'uid' => $uid,
+			'studienbuchblatt' => defined('CIS_DOKUMENTE_STUDIENBUCHLBATT_DRUCKEN') && CIS_DOKUMENTE_STUDIENBUCHLBATT_DRUCKEN,
+			'studienerfolgsbestaetigung' => defined('CIS_DOKUMENTE_STUDIENERFOLGSBESTAETIGUNG_DRUCKEN') && CIS_DOKUMENTE_STUDIENERFOLGSBESTAETIGUNG_DRUCKEN,
+			'selfservice' => $selfservice
+		]);
+	}
+
+	/**
+	 * @param integer		$akte_id
+	 * @param string		$uid		(optional) Administratoren dürfen die UID als Parameter übergeben um die Dokumente von anderen Personen anzuzeigen
+	 *
+	 * @return void
+	 */
+	public function download($akte_id, $uid = null)
+	{
+		if (!is_numeric($akte_id))
+			return show_404();
+
+		$this->load->model('crm/Akte_model', 'AkteModel');
+		$result = $this->AkteModel->load($akte_id);
+		if (isError($result))
+			return show_error(getError($result));
+		$akte = getData($result);
+		if (!$akte)
+			return show_404();
+		$akte = current($akte);
+
+		$admin_access = false;
+		if ($uid !== null && $this->permissionlib->isBerechtigt('admin')) {
+			$stati = $this->PrestudentstatusModel->loadWhereUid($uid, null, true);
+			if (hasData($stati)) {
+				$person_ids = array_map(function ($status) {
+					return $status->person_id;
+				}, getData($stati));
+				$person_ids = array_unique($person_ids);
+				if (count($person_ids) == 1 && current($person_ids) == $akte->person_id) {
+					$admin_access = true;
+				}
+			}
+		}
+
+		if (!$admin_access && ($akte->person_id != getAuthPersonId() || !$akte->stud_selfservice))
+			return show_error('Forbidden', 403);
+
+		// NOTE(chris): Log bei einem Download vom Becheid
+		if (isset($akte->dokument_kurzbz) && ($akte->dokument_kurzbz === 'Bescheid' || $akte->dokument_kurzbz === 'BescheidEng')) {
+			$this->load->model('system/Webservicelog_model', 'WebservicelogModel');
+			$this->WebservicelogModel->insert([
+				'webservicetyp_kurzbz' => 'content',
+				'request_id' => (isset($akte->akte_id) && !empty($akte->akte_id)) ? $akte->akte_id : null,
+				'beschreibung' => 'Bescheidbestaetigungsdownload',
+				'request_data' => $_SERVER['QUERY_STRING'],
+				'execute_time' => date('c'),
+				'execute_user' => getAuthUID()
+			]);
+		}
+
+		$this->output->set_content_type($akte->mimetype);
+		$this->output->set_output(base64_decode($akte->inhalt));
+	}
+}

application/controllers/Cis/InfoTerminal.php

@@ -3,30 +3,28 @@
 if (! defined('BASEPATH')) exit('No direct script access allowed');
 
 /**
- * Test VBform Vue Component
+ *
  */
-class TestVBform extends Auth_Controller
+class InfoTerminal extends Auth_Controller
 {
 	/**
 	 * Constructor
 	 */
 	public function __construct()
 	{
-		parent::__construct(
-			array(
-				'index' => 'system/developer:r'
-			)
-		);
+		parent::__construct([
+			'index' => ['basis/cis:r'],
+		]);
 	}
 
 	// -----------------------------------------------------------------------------------------------------------------
 	// Public methods
 
 	/**
-	 * Everything has a beginning
+	 * @return void
 	 */
 	public function index()
 	{
-		$this->load->view('system/logs/testVBform.php');
+		$this->load->view('Cis/InfoTerminal.php', []);
 	}
 }

application/controllers/Cis/LvPlan.php

@@ -0,0 +1,39 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class LvPlan extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r']
+		]);
+
+		// Load Config
+		$this->load->config('calendar');
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+		
+		$viewData = array(
+			'uid'=>getAuthUID(),
+			'timezone' => $this->config->item('timezone')
+		);
+		
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'LvPlan']);
+	}
+}

application/controllers/Cis/MyLv.php

@@ -0,0 +1,41 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class MyLv extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r'],
+			'Info' => [self::PERM_LOGGED]
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+		
+		$viewData = array(
+
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'MyLv']);
+	}
+
+	public function Info($studien_semester,$lvid)
+	{
+		$this->load->view('Cis/LvInfo',['lvid'=> $lvid, 'studien_semester' => $studien_semester]);
+	}
+}

application/controllers/Cis/MyLvPlan.php

@@ -0,0 +1,39 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class MyLvPlan extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r']
+		]);
+
+		// Load Config
+		$this->load->config('calendar');
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+		
+		$viewData = array(
+			'uid'=>getAuthUID(),
+			'timezone' => $this->config->item('timezone')
+		);
+		
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'MyLvPlan']);
+	}
+}

application/controllers/Cis/Profil.php

@@ -0,0 +1,755 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Profil extends Auth_Controller
+{
+
+	/**
+	 * Constructor
+	 */
+
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r'],
+			'foto_sperre_function' => ['basis/cis:r'],
+			'getView' => ['basis/cis:r'],
+			'View' => ['basis/cis:r'],
+			'isMitarbeiter' => ['basis/cis:r'],
+			'isStudent' => ['basis/cis:r'],
+			'getZustellAdresse' => ['basis/cis:r'],
+			'getZustellKontakt' => ['basis/cis:r'],
+			'getAllNationen' => ['basis/cis:r'],
+			'getGemeinden' => ['basis/cis:r'],
+
+		]);
+
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+		$this->load->model('person/Benutzergruppe_model', 'BenutzergruppeModel');
+		$this->load->model('ressource/Betriebsmittelperson_model', 'BetriebsmittelpersonModel');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+		$this->load->model('person/Profil_update_model', 'ProfilUpdateModel');
+		$this->load->model('content/DmsVersion_model', 'DmsVersionModel');
+
+
+		//? put the uid and pid inside the controller for reusability
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+
+	/**
+	 * index loads the Profil view
+	 * @access public
+	 * @return void 
+	 */
+	public function index()
+	{
+		
+		$this->load->library('ProfilLib');
+		$profil_data = $this->profillib->getView(getAuthUID());
+		$profil_data = hasData($profil_data) ? getData($profil_data) : null;
+		$viewData = array(
+			'editable'=>true,
+			'profil_data' => $profil_data,
+		);
+		$this->load->view('CisRouterView/CisRouterView.php',['viewData' => $viewData, 'route' => 'profilIndex']);
+	}
+
+	/**
+	 * redirects to the index function (needed to allow calling this URI)
+	 * @access public
+	 * @return void 
+	 */
+	public function View($uid)
+	{
+		$this->load->library('ProfilLib');
+		$profil_data = $this->profillib->getView($uid);
+		$profil_data = hasData($profil_data) ? getData($profil_data) : null;
+		$viewData = array (
+			'uid' => $uid,
+			'profil_data'=>$profil_data,
+		);
+		if($uid == getAuthUID()){
+			$viewData['editable'] = true;
+		}
+		$this->load->view('CisRouterView/CisRouterView.php',['viewData' => $viewData, 'route' => 'profilViewUid']);
+	}
+
+	/**
+	 * checks whether a specific userID is a mitarbeiter or not (foreword declaration of the function isMitarbeiter in Mitarbeiter_model.php)
+	 * @access public
+	 * @param  $uid the userID used to check if it is a mitarbeiter
+	 * @return boolean 
+	 */
+	public function isStudent($uid)
+	{
+		$result = $this->StudentModel->isStudent($uid);
+		if (isError($result)) {
+			show_error("error when calling Student_model function isStudent with uid " . $uid);
+		}
+		$result = getData($result);
+		echo json_encode($result);
+	}
+
+	/**
+	 * checks whether a specific userID is a mitarbeiter or not (foreword declaration of the function isMitarbeiter in Mitarbeiter_model.php)
+	 * @access public
+	 * @param  $uid the userID used to check if it is a mitarbeiter
+	 * @return boolean 
+	 */
+	public function isMitarbeiter($uid)
+	{
+		$result = $this->MitarbeiterModel->isMitarbeiter($uid);
+		if (isError($result)) {
+			show_error("error when calling Mitarbeiter_model function isMitarbeiter with uid " . $uid);
+		}
+		$result = getData($result);
+		echo json_encode($result);
+	}
+
+	/**
+	 * gets the adressen that are marked as zustell from the currenlty logged in user
+	 * @access public
+	 * @return array a list of adresse_id's 
+	 */
+	public function getZustellAdresse()
+	{
+		$this->AdresseModel->addSelect(["adresse_id"]);
+		$adressen_res = $this->AdresseModel->loadWhere(['person_id' => $this->pid, 'zustelladresse' => true]);
+		$adressen_res = hasData($adressen_res) ? getData($adressen_res) : null;
+		$adressen_res = array_map(function ($item) {
+			return $item->adresse_id;
+		}, $adressen_res);
+		echo json_encode($adressen_res);
+	}
+
+	/**
+	 * gets the kontakte that are marked as zustell from the currenlty logged in user
+	 * @access public
+	 * @return array a list of kontakt_id's 
+	 */
+	public function getZustellKontakt()
+	{
+		$this->KontaktModel->addSelect(["kontakt_id"]);
+		$kontakt_res = $this->KontaktModel->loadWhere(['person_id' => $this->pid, 'zustellung' => true]);
+		$kontakt_res = hasData($kontakt_res) ? getData($kontakt_res) : null;
+		$kontakt_res = array_map(function ($item) {
+			return $item->kontakt_id;
+		}, $kontakt_res);
+		echo json_encode($kontakt_res);
+	}
+
+	/**
+	 * function that returns the data used for the corresponding view
+	 * the client side parses the @param $uid and calls this function to get the data to the correct view 
+	 * @access public
+	 * @param  boolean $uid the userID used to identify which information should be retrieved for which view 
+	 * @return stdClass all the data corresponding to a view of a user
+	 */
+	public function getView($uid)
+	{
+		$res = new stdClass();
+
+		// if parsing the URL did not found a UID then the UID of the logged in user is used
+		if ($uid == "Profil" || $uid == $this->uid) {
+			$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter($this->uid);
+			if (isError($isMitarbeiter)) {
+				show_error("error while checking if UID: " . $this->uid . " is a mitarbeiter");
+			}
+			$isMitarbeiter = getData($isMitarbeiter);
+			if ($isMitarbeiter) {
+				$res->view = "MitarbeiterProfil";
+				$res->data = $this->mitarbeiterProfil();
+				$res->data->pid = $this->pid;
+			} else {
+				$res->view = "StudentProfil";
+				$res->data = $this->studentProfil();
+				$res->data->pid = $this->pid;
+			}
+		}
+		// UID is availabe when accessing Profil/View/:uid
+		else {
+			$this->PersonModel->addSelect(["person_id"]);
+			$pid = $this->PersonModel->getByUid($uid);
+			if (isError($pid)) {
+				show_error("error while trying to update table public.tbl_person while searching for a person with UID: " . $uid);
+			}
+			$pid = hasData($pid) ? getData($pid)[0] : null;
+			if (!$pid) {
+				show_error("Person with UID: " . $uid . " does not exist");
+			}
+			$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter($uid);
+			if (isError($isMitarbeiter)) {
+				show_error("error while checking if UID: " . $uid . " is a mitarbeiter");
+			}
+			$isMitarbeiter = getData($isMitarbeiter);
+			if ($isMitarbeiter) {
+				$res->view = "ViewMitarbeiterProfil";
+				$res->data = $this->viewMitarbeiterProfil($uid);
+
+			} else {
+				$res->view = "ViewStudentProfil";
+				$res->data = $this->viewStudentProfil($uid);
+			}
+		}
+		echo json_encode($res);
+	}
+
+	/**
+	 * update column foto_sperre in public.tbl_person
+	 * @access public
+	 * @param  boolean $value  new value for the column
+	 * @return boolean the new value added to the column in public.tbl_person
+	 */
+	public function foto_sperre_function($value)
+	{
+		$res = $this->PersonModel->update($this->pid, ["foto_sperre" => $value]);
+		if (isError($res)) {
+			show_error("error while trying to update table public.tbl_person");
+		}
+		$this->PersonModel->addSelect("foto_sperre");
+		$res = $this->PersonModel->load($this->pid);
+		if (isError($res)) {
+			show_error("error while trying to query table public.tbl_person");
+		}
+		$res = hasData($res) ? getData($res)[0] : null;
+		echo json_encode($res);
+	}
+
+	/**
+	 * gets all nations in the table bis.tbl_nation
+	 *
+	 * @access public
+	 * @return array all the nations in table bis.tbl_nation
+	 */
+	public function getAllNationen()
+	{
+		$this->load->model('codex/Nation_model', "NationModel");
+		$this->NationModel->addSelect(["nation_code as code", "langtext"]);
+		$nation_res = $this->NationModel->load();
+		if (isError($nation_res)) {
+			show_error("error while trying to query table codex.tbl_nation");
+		}
+		$nation_res = hasData($nation_res) ? getData($nation_res) : null;
+		echo json_encode($nation_res);
+	}
+
+	/**
+	 * gets specific gemeinden which are related to the ZIP and the Nation passed in the body of the get request
+	 * @access public
+	 * @var    $_GET function uses GET request payload
+	 * @return boolean the new value added to the column in public.tbl_person
+	 */
+	public function getGemeinden()
+	{
+		/** @var $nation value parsed out of the body of the get request */
+		$nation = $this->input->get('nation', true);
+		/** @var $zip value parsed out of the body of the get request and converted to a php integer with json_decode */
+		$zip = json_decode($this->input->get('zip', true));
+
+		$this->load->model('codex/Gemeinde_model', "GemeindeModel");
+		$this->GemeindeModel->addDistinct();
+		$this->GemeindeModel->addSelect(["name"]);
+		if ($nation == "A") {
+				if (isset($zip) && $zip > 999 && $zip < 32000) {
+
+						$gemeinde_res = $this->GemeindeModel->loadWhere(['plz' => $zip]);
+						if (isError($gemeinde_res)) {
+								show_error("error while trying to query bis.tbl_gemeinde");
+						}
+						$gemeinde_res = hasData($gemeinde_res) ? getData($gemeinde_res) : null;
+						$gemeinde_res = array_map(function ($obj) {
+								return $obj->name;
+						}, $gemeinde_res);
+						echo json_encode($gemeinde_res);
+
+				} else {
+						echo json_encode(error("ortschaftskennziffer code was not valid"));
+				}
+		} else {
+				echo json_encode(error("Nation was not 'A' (Austria)"));
+		}
+	}
+
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	/**
+	 * function that returns the data used for viewing another mitarbeiter profile
+	 * @access private 
+	 * @param  integer $uid the userID to retrieve the mitarbeiter data
+	 * @return stdClass restricted mitarbeiter data
+	 */
+	private function viewMitarbeiterProfil($uid)
+	{
+		$mailverteiler_res = $this->getMailverteiler($uid);
+		$benutzer_funktion_res = $this->getBenutzerFunktion($uid);
+		$benutzer_res = $this->getBenutzerAlias($uid);
+		$person_res = $this->getPersonInfo($uid);
+		$mitarbeiter_res = $this->getMitarbeiterInfo($uid);
+		$telefon_res = $this->getTelefonInfo($uid);
+
+		$res = new stdClass();
+		$res->username = $uid;
+
+		//? Person Info
+		foreach ($person_res as $key => $val) {
+			$res->$key = $val;
+		}
+
+		//? Mitarbeiter Info
+		foreach ($mitarbeiter_res as $key => $val) {
+			$res->$key = $val;
+
+		}
+
+		$intern_email = array();
+		$intern_email["type"] = "intern";
+		$intern_email["email"] = $uid . "@" . DOMAIN;
+		$extern_email = array();
+		$extern_email["type"] = "alias";
+		$extern_email["email"] = $benutzer_res->alias . "@" . DOMAIN;
+		$res->emails = array($intern_email, $extern_email);
+
+		$res->funktionen = $benutzer_funktion_res;
+		$res->mailverteiler = $mailverteiler_res;
+		$res->standort_telefon = isset($telefon_res) ? $telefon_res->kontakt : null;
+
+		return $res;
+	}
+
+	/**
+	 * function that returns the data used for viewing another student profile
+	 * @access private 
+	 * @param  integer $uid the userID to retrieve the student data
+	 * @return stdClass restricted student data
+	 */
+	private function viewStudentProfil($uid)
+	{
+		$mailverteiler_res = $this->getMailverteiler($uid);
+		$person_res = $this->getPersonInfo($uid);
+		$student_res = $this->getStudentInfo($uid);
+		$matr_res = $this->getMatrikelNummer($uid);
+
+		$res = new stdClass();
+		$res->username = $uid;
+
+		//? Person Information
+		foreach ($person_res as $key => $value) {
+			$res->$key = $value;
+		}
+
+		//? Student Information
+		foreach ($student_res as $key => $value) {
+			$res->$key = $value;
+		}
+
+		$intern_email = array();
+		$intern_email["type"] = "intern";
+		$intern_email["email"] = $uid . "@" . DOMAIN;
+
+		$res->emails = [$intern_email];
+		$res->matrikelnummer = $matr_res->matr_nr;
+		$res->mailverteiler = $mailverteiler_res;
+
+		return $res;
+	}
+
+	/**
+	 * function that returns the data used for the mitarbeiter profile
+	 * @access private 
+	 * @return stdClass mitarbeiter data
+	 */
+	private function mitarbeiterProfil()
+	{
+
+		$zutrittskarte_ausgegebenam = $this->getZutrittskarteDatum($this->uid);
+		$adresse_res = $this->getAdressenInfo($this->pid);
+		$kontakte_res = $this->getKontaktInfo($this->pid);
+		$mailverteiler_res = $this->getMailverteiler($this->uid);
+		$person_res = $this->getPersonInfo($this->uid, true);
+		$benutzer_funktion_res = $this->getBenutzerFunktion($this->uid);
+		$betriebsmittelperson_res = $this->getBetriebsmittelInfo($this->pid);
+		$profilUpdates = $this->getProfilUpdates($this->uid);
+		$telefon_res = $this->getTelefonInfo($this->uid);
+		$mitarbeiter_res = $this->getMitarbeiterInfo($this->uid);
+
+		$res = new stdClass();
+		$res->username = $this->uid;
+
+		//? Person Information
+		foreach ($person_res as $key => $value) {
+			$res->$key = $value;
+		}
+
+		//? Mitarbeiter Information
+		foreach ($mitarbeiter_res as $key => $value) {
+			$res->$key = $value;
+		}
+
+		$res->adressen = $adresse_res;
+		$res->zutrittsdatum = $zutrittskarte_ausgegebenam;
+		$res->kontakte = $kontakte_res;
+		$res->mittel = $betriebsmittelperson_res;
+		$res->mailverteiler = $mailverteiler_res;
+
+		$intern_email = array();
+		$intern_email["type"] = "intern";
+		$intern_email["email"] = $this->uid . "@" . DOMAIN;
+		$extern_email = array();
+		$extern_email["type"] = "alias";
+		$extern_email["email"] = $mitarbeiter_res->alias . "@" . DOMAIN;
+		$res->emails = [$intern_email, $extern_email];
+
+		$res->funktionen = $benutzer_funktion_res;
+		$res->standort_telefon = $telefon_res;
+		$res->profilUpdates = $profilUpdates;
+
+		return $res;
+	}
+
+	/**
+	 * function that returns the data used for the student profile
+	 * @access private 
+	 * @return stdClass student data
+	 */
+	private function studentProfil()
+	{
+		$betriebsmittelperson_res = $this->getBetriebsmittelInfo($this->pid);
+		$kontakte_res = $this->getKontaktInfo($this->pid);
+		$zutrittskarte_ausgegebenam = $this->getZutrittskarteDatum($this->uid);
+		$adresse_res = $this->getAdressenInfo($this->pid);
+		$mailverteiler_res = $this->getMailverteiler($this->uid);
+		$person_res = $this->getPersonInfo($this->uid, true);
+		$zutrittsgruppe_res = $this->getZutrittsgruppen($this->uid);
+		$student_res = $this->getStudentInfo($this->uid);
+		$matr_res = $this->getMatrikelNummer($this->uid);
+		$profilUpdates = $this->getProfilUpdates($this->uid);
+
+		$res = new stdClass();
+		$res->username = $this->uid;
+
+		//? Person Information
+		foreach ($person_res as $key => $value) {
+			$res->$key = $value;
+		}
+
+		//? Student Information
+		foreach ($student_res as $key => $value) {
+			$res->$key = trim($value);
+		}
+
+		$intern_email = array();
+		$intern_email["type"] = "intern";
+		$intern_email["email"] = $this->uid . "@" . DOMAIN;
+
+		$res->emails = [$intern_email];
+		$res->adressen = $adresse_res;
+		$res->zutrittsdatum = $zutrittskarte_ausgegebenam;
+		$res->kontakte = $kontakte_res;
+		$res->mittel = $betriebsmittelperson_res;
+		$res->matrikelnummer = $matr_res->matr_nr;
+		$res->zuttritsgruppen = $zutrittsgruppe_res;
+		$res->mailverteiler = $mailverteiler_res;
+		$res->profilUpdates = $profilUpdates;
+
+		return $res;
+	}
+
+	/**
+	 * gets all the mailverteiler using the tables: tbl_benutzer, tbl_benutzergruppe, tbl_gruppe
+	 * @access private
+	 * @param  integer $uid  the userID used to retrieve the mailverteiler 
+	 * @return array returns the mailvertailer corresponding to a userID 
+	 */
+	private function getMailverteiler($uid)
+	{
+		$this->PersonModel->addSelect('gruppe_kurzbz, beschreibung');
+		$this->PersonModel->addJoin('tbl_benutzer', 'person_id');
+		$this->PersonModel->addJoin('tbl_benutzergruppe', 'uid');
+		$this->PersonModel->addJoin('tbl_gruppe', 'gruppe_kurzbz');
+
+		$mailverteiler_res = $this->PersonModel->loadWhere(array('mailgrp' => true, 'uid' => $uid));
+		if (isError($mailverteiler_res)) {
+			show_error("was not able to query the table public.tbl_benutzer:" . getData($mailverteiler_res));
+		}
+		$mailverteiler_res = hasData($mailverteiler_res) ? getData($mailverteiler_res) : null;
+		$mailverteiler_res = array_map(function ($element) {
+			$element->mailto = "mailto:" . $element->gruppe_kurzbz . "@" . DOMAIN;
+			return $element;
+		}, $mailverteiler_res);
+		return $mailverteiler_res;
+	}
+
+	/**
+	 * gets all the Benutzerfunktionen of a corresponding user
+	 * @access private
+	 * @param  integer $uid  the userID used to retrieve the Benutzerfunktionen 
+	 * @return array returns the Benutzerfunktionen corresponding to a userID 
+	 */
+	private function getBenutzerFunktion($uid)
+	{
+		$this->BenutzerfunktionModel->addSelect(["tbl_benutzerfunktion.bezeichnung as Bezeichnung", "tbl_organisationseinheit.bezeichnung as Organisationseinheit", "datum_von as Gültig_von", "datum_bis as Gültig_bis", "wochenstunden as Wochenstunden"]);
+		$this->BenutzerfunktionModel->addJoin("tbl_organisationseinheit", "oe_kurzbz");
+
+		$benutzer_funktion_res = $this->BenutzerfunktionModel->loadWhere(array('uid' => $uid));
+		if (isError($benutzer_funktion_res)) {
+			show_error("was not able to query the table public.tbl_benutzerfunktion:" . getData($benutzer_funktion_res));
+		}
+		$benutzer_funktion_res = hasData($benutzer_funktion_res) ? getData($benutzer_funktion_res) : null;
+		return $benutzer_funktion_res;
+	}
+
+	/**
+	 * gets all the Betriebsmittel of a corresponding user
+	 * @access private
+	 * @param  integer $uid  the userID used to retrieve the Betriebsmittel 
+	 * @return array returns the Betriebsmittel corresponding to a userID 
+	 */
+	private function getBetriebsmittelInfo($pid)
+	{
+		$this->BetriebsmittelpersonModel->addSelect(["CONCAT(betriebsmitteltyp, ' ' ,beschreibung) as Betriebsmittel", "nummer as Nummer", "ausgegebenam as Ausgegeben_am"]);
+
+		//? betriebsmittel are not needed in a view
+		$betriebsmittelperson_res = $this->BetriebsmittelpersonModel->getBetriebsmittel($pid);
+		if (isError($betriebsmittelperson_res)) {
+			show_error("was not able to query the table public.tbl_betriebsmittelperson:" . getData($betriebsmittelperson_res));
+		}
+		$betriebsmittelperson_res = hasData($betriebsmittelperson_res) ? getData($betriebsmittelperson_res) : null;
+		return $betriebsmittelperson_res;
+	}
+
+	/**
+	 * gets the alias of a corresponding user
+	 * @access private
+	 * @param  integer $uid the userID used to get the alias
+	 * @return string the alias of the userID
+	 */
+	private function getBenutzerAlias($uid)
+	{
+		$this->BenutzerModel->addSelect(["alias"]);
+		$benutzer_res = $this->BenutzerModel->load([$uid]);
+		if (isError($benutzer_res)) {
+			show_error("was not able to query the table public.tbl_benutzer:" . getData($benutzer_res));
+		} else {
+			$benutzer_res = hasData($benutzer_res) ? getData($benutzer_res)[0] : null;
+		}
+
+		return $benutzer_res;
+	}
+
+	/**
+	 * gets the person information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the person information
+	 * @param  integer $geburtsInfo flag wether to add the columns gebort, gebdatum, foto_sperre or not
+	 * @return array all the person informaion corresponding to a userID
+	 */
+	private function getPersonInfo($uid, $geburtsInfo = null)
+	{
+		$selectClause = ["foto", "anrede", "titelpost as postnomen", "titelpre as titel", "vorname", "nachname"];
+		/** @param integer $geburtsInfo */
+		if ($geburtsInfo) {
+			array_push($selectClause, "gebort");
+			array_push($selectClause, "gebdatum");
+			array_push($selectClause, "foto_sperre");
+		}
+		$this->BenutzerModel->addSelect($selectClause);
+		$this->BenutzerModel->addJoin("tbl_person", "person_id");
+
+		$person_res = $this->BenutzerModel->load([$uid]);
+		if (isError($person_res)) {
+			show_error("was not able to query the table public.tbl_benutzer:" . getData($person_res));
+		} else {
+			$person_res = hasData($person_res) ? getData($person_res)[0] : null;
+		}
+
+		return $person_res;
+	}
+
+	/**
+	 * gets the mitarbeiter information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the mitarbeiter information
+	 * @return array all the mitarbeiter informaion corresponding to a userID
+	 */
+	private function getMitarbeiterInfo($uid)
+	{
+		$this->MitarbeiterModel->addSelect(["kurzbz", "telefonklappe", "alias", "ort_kurzbz"]);
+		$this->MitarbeiterModel->addJoin("tbl_benutzer", "tbl_benutzer.uid = tbl_mitarbeiter.mitarbeiter_uid");
+		$mitarbeiter_res = $this->MitarbeiterModel->load($uid);
+		if (isError($mitarbeiter_res)) {
+			show_error("was not able to query the table public.tbl_mitarbeiter:" . getData($mitarbeiter_res));
+		} else {
+			$mitarbeiter_res = hasData($mitarbeiter_res) ? getData($mitarbeiter_res)[0] : null;
+		}
+
+		return $mitarbeiter_res;
+	}
+
+	/**
+	 * gets the telefon information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the telefon information
+	 * @return array all the telefon informaion corresponding to a userID
+	 */
+	private function getTelefonInfo($uid)
+	{
+		$this->MitarbeiterModel->addSelect(["kontakt"]);
+		$this->MitarbeiterModel->addJoin("tbl_kontakt", "tbl_mitarbeiter.standort_id = tbl_kontakt.standort_id");
+		$this->MitarbeiterModel->addLimit(1);
+		$telefon_res = $this->MitarbeiterModel->loadWhere(["mitarbeiter_uid" => $uid, "kontakttyp" => "telefon"]);
+		if (isError($telefon_res)) {
+			show_error("was not able to query the table public.tbl_mitarbeiter:" . getData($telefon_res));
+		}
+		$telefon_res = hasData($telefon_res) ? getData($telefon_res)[0] : null;
+		return $telefon_res;
+	}
+
+	/**
+	 * gets the student information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the student information
+	 * @return array all the student informaion corresponding to a userID
+	 */
+	private function getStudentInfo($uid)
+	{
+		$this->StudentModel->addSelect(['tbl_studiengang.bezeichnung as studiengang', 'tbl_student.semester', 'tbl_student.verband', 'tbl_student.gruppe', 'tbl_student.matrikelnr as personenkennzeichen']);
+		$this->StudentModel->addJoin('tbl_studiengang', "tbl_studiengang.studiengang_kz=tbl_student.studiengang_kz");
+
+		$student_res = $this->StudentModel->load([$uid]);
+		if (isError($student_res)) {
+			show_error("was not able to query the table public.tbl_student:" . getData($student_res));
+		}
+		$student_res = hasData($student_res) ? getData($student_res)[0] : null;
+		return $student_res;
+	}
+
+	/**
+	 * gets the profil updates corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the profil updates
+	 * @return array all the profil updates corresponding to a userID
+	 */
+	private function getProfilUpdates($uid)
+	{
+		$profilUpdates = $this->ProfilUpdateModel->getProfilUpdatesWhere(['uid' => $uid]);
+		if (isError($profilUpdates)) {
+			show_error("was not able to query the table public.tbl_profil_update:" . getData($profilUpdates));
+		}
+		$profilUpdates = hasData($profilUpdates) ? getData($profilUpdates) : null;
+		return $profilUpdates;
+	}
+
+	/**
+	 * gets the Matrikelnummer corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the Matrikelnummer
+	 * @return integer the Matrikelnummer corresponding to a userID
+	 */
+	private function getMatrikelNummer($uid)
+	{
+		$this->BenutzerModel->addSelect(["matr_nr"]);
+		$this->BenutzerModel->addJoin("tbl_person", "person_id");
+
+		$matr_res = $this->BenutzerModel->load([$uid]);
+		if (isError($matr_res)) {
+			show_error("was not able to query the table public.tbl_benutzer:" . getData($matr_res));
+		}
+		$matr_res = hasData($matr_res) ? getData($matr_res)[0] : [];
+		return $matr_res;
+	}
+
+	/**
+	 * gets the Zutrittsgruppen corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the Zutrittsgruppen
+	 * @return array all the Zutrittsgruppen corresponding to a userID
+	 */
+	private function getZutrittsgruppen($uid)
+	{
+		$this->BenutzergruppeModel->addSelect(['bezeichnung']);
+		$this->BenutzergruppeModel->addJoin('tbl_gruppe', 'gruppe_kurzbz');
+
+		$zutrittsgruppe_res = $this->BenutzergruppeModel->loadWhere(array("uid" => $uid, "zutrittssystem" => true));
+		if (isError($zutrittsgruppe_res)) {
+			show_error("was not able to query the table public.tbl_benutzergruppe:" . getData($zutrittsgruppe_res));
+		}
+		$zutrittsgruppe_res = hasData($zutrittsgruppe_res) ? getData($zutrittsgruppe_res) : null;
+		return $zutrittsgruppe_res;
+	}
+
+	/**
+	 * gets the address information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the address information
+	 * @return array all the address information corresponding to a userID
+	 */
+	private function getAdressenInfo($pid)
+	{
+		$adresse_res = $this->AdresseModel->addSelect(["adresse_id", "strasse", "tbl_adressentyp.bezeichnung as typ", "plz", "ort", "zustelladresse", "gemeinde", "nation"]);
+		$adresse_res = $this->AdresseModel->addOrder("zustelladresse", "DESC");
+		$adresse_res = $this->AdresseModel->addJoin("tbl_adressentyp", "typ=adressentyp_kurzbz");
+
+		$adresse_res = $this->AdresseModel->loadWhere(["person_id" => $pid]);
+		if (isError($adresse_res)) {
+			show_error("was not able to query the table public.tbl_adresse:" . getData($adresse_res));
+		}
+		$adresse_res = hasData($adresse_res) ? getData($adresse_res) : null;
+		return $adresse_res;
+	}
+
+	/**
+	 * gets the kontakt information corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the kontakt information
+	 * @return array all the kontakt information corresponding to a userID
+	 */
+	private function getKontaktInfo($pid)
+	{
+		$this->KontaktModel->addSelect(['kontakttyp', 'kontakt_id', 'kontakt', 'tbl_kontakt.anmerkung', 'tbl_kontakt.zustellung']);
+		$this->KontaktModel->addJoin('public.tbl_standort', 'standort_id', 'LEFT');
+		$this->KontaktModel->addJoin('public.tbl_firma', 'firma_id', 'LEFT');
+		$this->KontaktModel->addOrder('kontakttyp, kontakt, tbl_kontakt.updateamum, tbl_kontakt.insertamum');
+
+		$kontakte_res = $this->KontaktModel->loadWhere(['person_id' => $pid]);
+		if (isError($kontakte_res)) {
+			show_error("was not able to query the table public.tbl_kontakt:" . getData($kontakte_res));
+		}
+		$kontakte_res = hasData($kontakte_res) ? getData($kontakte_res) : null;
+		return $kontakte_res;
+	}
+
+	/**
+	 * gets the date of issue of the FH access card corresponding to a user
+	 * @access private
+	 * @param  integer $uid the userID used to get the date of issue of the FH access card
+	 * @return string the date of issue of the FH access card corresponding to a userID
+	 */
+	private function getZutrittskarteDatum($uid)
+	{
+		$zutrittskarte_ausgegebenam = $this->BetriebsmittelpersonModel->getBetriebsmittelByUid($uid, "Zutrittskarte");
+		if (isError($zutrittskarte_ausgegebenam)) {
+			show_error("was not able to query the table wavi.tbl_bentriebsmittelperson:" . getData($zutrittskarte_ausgegebenam));
+		}
+		$zutrittskarte_ausgegebenam = hasData($zutrittskarte_ausgegebenam) ? getData($zutrittskarte_ausgegebenam)[0]->ausgegebenam : null;
+
+		//? formats date from 01-01-2000 to 01.01.2000
+		$zutrittskarte_ausgegebenam = str_replace("-", ".", $zutrittskarte_ausgegebenam);
+		return $zutrittskarte_ausgegebenam;
+	}
+
+
+}

application/controllers/Cis/ProfilUpdate.php

@@ -0,0 +1,86 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+/**
+ *
+ */
+class ProfilUpdate extends Auth_Controller
+{
+
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['student/stammdaten:r', 'mitarbeiter/stammdaten:r'],
+			'show' => ['student/stammdaten:r', 'mitarbeiter/stammdaten:r', 'basis/cis:r'],
+			'id' => ['student/stammdaten:r', 'mitarbeiter/stammdaten:r']
+		]);
+
+		$this->load->model('person/Profil_update_model', 'ProfilUpdateModel');
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('crm/Student_model', 'StudentModel');
+
+		// Load language phrases
+		$this->loadPhrases(
+			array(
+				'profilUpdate'
+			)
+		);
+
+		$this->load->library('DmsLib');
+		$this->load->library('PermissionLib');
+
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+	}
+
+	public function index()
+	{
+		$this->load->view('Cis/ProfilUpdate');
+	}
+
+	public function id($profil_update_id = null)
+	{
+		$this->load->view('Cis/ProfilUpdate', ['profil_update_id' => $profil_update_id]);
+	}
+
+	public function show($dms_id)
+	{
+		$profil_update = $this->ProfilUpdateModel->loadWhere(['attachment_id' => $dms_id]);
+		$profil_update = hasData($profil_update) ? getData($profil_update)[0] : null;
+
+		//? checks if an profil update exists with the dms_id requested from the user
+		if ($profil_update)
+		{
+			$is_mitarbeiter_profil_update = getData($this->MitarbeiterModel->isMitarbeiter($profil_update->uid));
+			$is_student_profil_update = getData($this->StudentModel->isStudent($profil_update->uid));
+
+			if (
+				$this->permissionlib->isBerechtigt('student/stammdaten:r') && $is_student_profil_update ||
+				$this->permissionlib->isBerechtigt('mitarbeiter/stammdaten:r') && $is_mitarbeiter_profil_update ||
+				$this->uid == $profil_update->uid
+			)
+			{
+				// Get file to be downloaded from DMS
+				$newFilename = $this->uid . "/document_" . $dms_id;
+				$download = $this->dmslib->download($dms_id);
+				if (isError($download))
+					return $download;
+
+				// Download file
+				$this->outputFile(getData($download));
+			}
+			else
+			{
+				show_error($this->p->t('profilUpdate', 'profilUpdate_permission_error'));
+				return;
+			}
+		}
+		else
+		{
+			show_error($this->p->t('profilUpdate', 'profilUpdate_dms_error'));
+			return;
+		}
+	}
+}

application/controllers/Cis/Pub.php

@@ -0,0 +1,167 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+ 
+/**
+ *
+ */
+class Pub extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+		    array(
+			'bild' => ['basis/cis:r', 'assistenz:r']
+		    )
+		);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @param string	$source [person|akte]
+	 * @param integer	$id
+	 * @return void
+	 */
+	public function bild($source, $id)
+	{
+		$this->load->model('person/Person_model', 'PersonModel');
+
+		$person_id_user = '';
+		$serverzugriff = false;
+
+		// Wenn das Bild direkt aufgerufen wird, ist eine Authentifizierung erforderlich
+		// Wenn es vom Server selbst aufgerufen wird, ist keine Auth. notwendig
+		// (z.B. fuer die Erstellung von PDFs)
+		if ($_SERVER['REMOTE_ADDR'] != $_SERVER['SERVER_ADDR']) {
+			// Wenn Session gesetzt ist, keine Abfrage, da diese Personen noch keine UID haben
+			
+			if (isset($_SESSION['incoming/user'])) { // Von Incomingtool
+				$result = $this->PersonModel->loadWhere([
+					'zugangscode' => $_SESSION['incoming/user']
+				]);
+				if (hasData($result))
+					$person_id_user = current(getData($result))->person_id;
+			} elseif (isset($_SESSION['prestudent/user'])) { // Von Prestudententool
+				$result = $this->PersonModel->loadWhere([
+					'zugangscode' => $_SESSION['prestudent/user']
+				]);
+				if (hasData($result))
+					$person_id_user = current(getData($result))->person_id;
+			} elseif (isset($_SESSION['bewerbung/personId'])) { // Von Bewerbungstool
+				$person_id_user = $_SESSION['bewerbung/personId'];
+			} else {
+				$person_id_user = getAuthPersonId();
+			}
+		} else {
+			$serverzugriff = true;
+		}
+
+		// Default Bild (Dummy Profilbild)
+		$cTmpHEX = base64_encode(file_get_contents(FHCPATH . 'skin/images/profilbild_dummy.jpg'));
+
+		if ($source == 'person' && $id) {
+			$foto_gesperrt = false;
+			// Person laden und Fotosperre überprüfen
+			$result = $this->PersonModel->load($id);
+			if (hasData($result)) {
+				$person = current(getData($result));
+				if ($person->foto_sperre) {
+					// Wenn der User selbst darauf zugreift darf er das Bild sehen
+					$foto_gesperrt = ($person_id_user != $id);
+				} elseif (!$person_id_user && !$serverzugriff) {
+					$foto_gesperrt = true;
+				}
+
+				if ($person->foto && !$foto_gesperrt) {
+					$cTmpHEX = base64_decode($person->foto);
+				}
+			}
+		}
+		if($source == 'akte' && $id != '')
+		{
+			$this->load->model('crm/Akte_model', 'AkteModel');
+
+			$this->AkteModel->addJoin('public.tbl_person', 'person_id');
+			$result = $this->AkteModel->loadWhere([
+				'person_id' => $id,
+				'dokument_kurzbz' => 'Lichtbil'
+			]);
+
+			if (hasData($result)) {
+				$foto_gesperrt = false;
+
+				$akte = current(getData($result));
+				if ($akte->foto_sperre) {
+					// Wenn der User selbst darauf zugreift darf er das Bild sehen
+					$foto_gesperrt = ($person_id_user != $id);
+				} elseif (!$person_id_user && !$serverzugriff) {
+					$foto_gesperrt = true;
+				}
+
+				// Wenn das Foto nicht im Inhalt steht wird aus aus dem DMS geladen
+				if (!$akte->inhalt && $akte->dms_id) {
+					$this->load->model('content/Dms_model', 'DmsModel');
+					$this->load->model('content/DmsVersion_model', 'DmsVersionModel');
+
+					$this->DmsModel->addJoin('campus.tbl_dms_version', 'dms_id');
+					$this->DmsModel->addOrder('version', 'DESC');
+					$this->DmsModel->addLimit(1);
+					$result = $this->DmsModel->load($akte->dms_id);
+
+					if (!hasData($result))
+						die('Kein Dokument vorhanden');
+
+					$dms = current(getData($result));
+
+					$filename = DMS_PATH . $dms->filename;
+
+					$this->DmsVersionModel->update([
+						'dms_id' => $dms->dms_id,
+						'version' => $dms->version
+					], [
+						'letzterzugriff' => date('c')
+					]);
+
+					if (file_exists($filename)) {
+						$handle = fopen($filename, "r");
+						if ($handle) {
+							while (!feof($handle)) {
+								$akte->inhalt .= fread($handle, 8192);
+							}
+							fclose($handle);
+						} else {
+							echo 'Fehler: Datei konnte nicht geoeffnet werden';
+						}
+					} else {
+						echo 'Die Datei existiert nicht';
+					}
+				}
+
+				if ($akte->inhalt && !$foto_gesperrt) {
+					$cTmpHEX = $akte->inhalt;
+				}
+			}
+		}
+
+		// die bilder werden, sofern es funktioniert, in jpg umgewandelt da es sonst zu fehlern beim erstellen
+		// von pdfs kommen kann.
+
+		$im = @imagecreatefromstring(base64_decode($cTmpHEX));
+		if ($im) {
+			@ob_clean();
+			header("Content-type: image/jpeg");
+			exit(imagejpeg($im));
+		} else {
+			// bei manchen Bildern funktioniert die konvertierung nicht
+			// diese werden dann einfach so angezeigt.
+			@ob_clean();
+			header("Content-type: image/gif");
+			exit($cTmpHEX);
+		}
+	}
+}

application/controllers/Cis/Raumsuche.php

@@ -0,0 +1,35 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Raumsuche extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r']
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+
+		$viewData = array(
+			'uid'=>getAuthUID(),
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'Raumsuche']);
+	}
+}

application/controllers/Cis/Studium.php

@@ -0,0 +1,40 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Studium extends Auth_Controller
+{
+
+	/**
+	 * Constructor
+	 */
+
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => ['basis/cis:r'],
+			
+		]);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+
+	/**
+	 * index loads the Studium view
+	 * @access public
+	 * @return void 
+	 */
+	public function index()
+	{
+		$viewData = array(
+
+		);
+		$this->load->view('CisRouterView/CisRouterView.php',['viewData' => $viewData, 'route' => 'studium']);
+	}
+
+
+
+}

application/controllers/Cis4.php

@@ -0,0 +1,45 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Cis4 extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+		    array(
+			'index' => 'basis/cis:r'
+		    )
+		);
+
+		// Load Config
+		$this->load->config('calendar');
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+		$this->load->model('person/Person_model', 'PersonModel');
+		$personData = getData($this->PersonModel->getByUid(getAuthUID()))[0];
+		
+		$viewData = array(
+			'uid' => getAuthUID(),
+			'name' => $personData->vorname,
+			'person_id' => $personData->person_id,
+			'timezone' => $this->config->item('timezone')
+		);
+
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'FhcDashboard']);
+	}
+}

application/controllers/CisVue/Cms.php

@@ -0,0 +1,101 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Cms extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+		    array(
+			'content' => 'basis/cis:r',
+			'getNews' => 'basis/cis:r',
+			'getNewsRowCount' => 'basis/cis:r',
+			'getRoomInformation' => 'basis/cis:r',
+			'news' => 'basis/cis:r'
+		    )
+		);
+
+		// Loads Libraries
+		$this->load->library('CmsLib');
+
+		// Loads phrases system
+		$this->loadPhrases([
+			'global'
+		]);
+
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @param int		$content_id
+	 * @param int		$version
+	 * @param string	$sprache
+	 * @param boolean	$sichtbar
+	 *
+	 * @return void
+	 */
+	public function content($content_id, $version = null, $sprache = null, $sichtbar = true)
+	{
+		// return early if the content_id for the content is missing
+		if (!isset($content_id))
+			$this->terminateWithError("content_id is missing");
+
+		$content = $this->ContentModel->load($content_id);
+		if (isError($content))
+			$this->terminateWithError(getError($content));
+
+		$content = getData($content);
+		if (NULL === $content)
+			$this->terminateWithError("Content not found");
+
+		$content = current($content);
+
+		$viewData = array(
+			'content_id' => $content_id,
+			'template_kurzbz' => $content->template_kurzbz,
+			'version' => $version,
+			'sichtbar' => $sichtbar
+		);
+		
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'Content']);
+	}
+
+	/**
+	 * @param boolean			$infoscreen
+	 * @param string | null		$studiengang_kz
+	 * @param int | null		$semester
+	 * @param boolean			$mischen
+	 * @param string			$titel
+	 * @param boolean			$edit
+	 * @param boolean			$sichtbar
+	 *
+	 * @return void
+	 */
+	public function news($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	{	
+		$viewData = array();
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData'=>$viewData, 'route' => 'News']);
+	}
+	
+	public function getRoomInformation($ort_kurzbz)
+	{
+		// Load Config
+		$this->load->config('calendar');
+
+		$viewData = array(
+			'ort_kurzbz' => $ort_kurzbz,
+			'timezone' => $this->config->item('timezone')
+		);
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData, 'route' => 'CmsRoom']);
+	}
+}

application/controllers/CisVue/Dashboard.php

@@ -0,0 +1,43 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Dashboard extends Auth_Controller
+{
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'index' => 'dashboard/benutzer:r'
+			)
+		);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * @return void
+	 */
+	public function index()
+	{
+
+		$this->load->model('person/Person_model','PersonModel');
+		$personData = getData($this->PersonModel->getByUid(getAuthUID()))[0];
+
+		$viewData = array(
+			'uid' => getAuthUID(),
+			'name' => $personData->vorname,
+			'person_id' => $personData->person_id
+		);
+		
+		$this->load->view('CisRouterView/CisRouterView.php', ['viewData' => $viewData]);
+
+	}
+}

application/controllers/Documents.php

@@ -0,0 +1,294 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller handles output and access to documents.
+ * It creates a XML file, transforms it with the XSL-FO Vorlage from the
+ * database and generates a PDF file with unoconv or docsbox.
+ * This file is then outputted as download.
+ *
+ * It is the CodeIgniter version of content/pdfExport.php when not using the
+ * get paremeters: "archivdokument" and "archive".
+ * Use exportSigned() instead of providing the "sign" get parameter and
+ * export() otherwise.
+ */
+class Documents extends Auth_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'export' => self::PERM_LOGGED,
+			'exportSigned' => self::PERM_LOGGED
+		]);
+
+		// Load Phrases
+		$this->loadPhrases([
+			'stv'
+		]);
+	}
+
+	/**
+	 * Download a not signed document.
+	 *
+	 * @param string				$xml
+	 * @param string				$xsl
+	 *
+	 * @return void
+	 */
+	public function export($xml, $xsl)
+	{
+		return $this->_export($xml, $xsl);
+	}
+
+	/**
+	 * Download a signed document.
+	 *
+	 * @param string				$xml
+	 * @param string				$xsl
+	 *
+	 * @return void
+	 */
+	public function exportSigned($xml, $xsl)
+	{
+		return $this->_export($xml, $xsl, getAuthUID());
+	}
+
+	/**
+	 * Helper function for export() and exportSigned()
+	 *
+	 * @param string				$xml
+	 * @param string				$xsl
+	 * @param string				$sign_user (optional)
+	 *
+	 * @return void
+	 */
+	protected function _export($xml, $xsl, $sign_user = null)
+	{
+		$xsl_oe_kurzbz = null;
+		$version = $this->input->post_get('version') ?: null;
+
+		// Get the OE or STG of the document
+		$xsl_oe_kurzbz = $this->input->post_get('xsl_oe_kurzbz')
+			?: $this->input->post_get('xsl_stg_kz')
+			?: $this->input->post_get('stg_kz');
+		if (is_null($xsl_oe_kurzbz)) {
+			$uid = $this->input->post_get('uid');
+			if ($uid) {
+				$uid = current(explode(';', $uid));
+				$this->load->model('crm/Student_model', 'StudentModel');
+				$result = $this->StudentModel->load([$uid]);
+				if (!isError($result) && hasData($result))
+					$xsl_oe_kurzbz = current(getData($result))->studiengang_kz;
+			}
+		}
+		if (is_null($xsl_oe_kurzbz)) {
+			$prestudent_id = $this->input->post_get('prestudent_id');
+			if ($prestudent_id) {
+				$prestudent_id = current(explode(';', $prestudent_id));
+				$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+				$result = $this->PrestudentModel->load($prestudent_id);
+				if (!isError($result) && hasData($result))
+					$xsl_oe_kurzbz = current(getData($result))->studiengang_kz;
+			}
+		}
+		if (is_null($xsl_oe_kurzbz))
+			$xsl_oe_kurzbz = 0;
+
+		// Access rights
+		if ($xsl == 'AccountInfo') {
+			$this->load->model('resource/Mitarbeiter_model', 'MitarbeiterModel');
+			$this->load->model('crm/Student_model', 'StudentModel');
+			$uids = $this->input->post_get('uid');
+			if ($uids) {
+				$uids = explode(';', $uids);
+				foreach ($uids as $uid) {
+					$result = $this->MitarbeiterModel->load($uid);
+					if (!isError($result) && hasData($result)) {
+						if (!$this->permissionlib->isBerechtigt('admin', 'suid', 0)
+							&& !$this->permissionlib->isBerechtigt('mitarbeiter', 'suid', 0))
+							return $this->_outputAuthError([$this->router->method => ['admin:rw', 'mitarbeiter:rw']]);
+					} else {
+						$result = $this->StudentModel->load([$uid]);
+						if (!isError($result) && hasData($result)) {
+							$student = current(getData($result));
+							if (!$this->permissionlib->isBerechtigt('admin', 'suid', $student->studiengang_kz)
+								&& !$this->permissionlib->isBerechtigt('admin', 'suid', 0)
+								&& !$this->permissionlib->isBerechtigt('assistenz', 'suid', $student->studiengang_kz)
+								&& !$this->permissionlib->isBerechtigt('assistenz', 'suid', 0)
+								&& !$this->permissionlib->isBerechtigt('support', 'suid', 0))
+								return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw', 'support:rw']]);
+						}
+					}
+				}
+			}
+		} else {
+			$this->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
+
+			$result = $this->VorlagestudiengangModel->getCurrent($xsl, $xsl_oe_kurzbz, $version);
+			if (isError($result))
+				return show_error(getError($result));
+			if (!hasData($result))
+				return show_404();
+			
+			$access_rights = current(getData($result))->berechtigung;
+			if (!$access_rights)
+				return show_404();
+			$allowed = false;
+			foreach ($access_rights as $access_right) {
+				if ($this->permissionlib->isBerechtigt($access_right)) {
+					$allowed = true;
+					break;
+				}
+			}
+			if (!$allowed)
+				return $this->_outputAuthError([$this->router->method => $access_rights]);
+		}
+
+		// Output format
+		$outputformat = $this->input->post_get('output') ?: 'pdf';
+		if ($outputformat != 'pdf'
+			// An der FHTW darf das Studienblatt und das Prüfungsprotokoll auch in anderen Formaten exportiert werden
+			&& !(CAMPUS_NAME == 'FH Technikum Wien'
+				&& ($xsl == 'Studienblatt'
+					|| $xsl == 'StudienblattEng'
+					|| $xsl == 'PrProtBA'
+					|| $xsl == 'PrProtBAEng'
+					|| $xsl == 'PrProtMA'
+					|| $xsl == 'PrProtMAEng'
+				)
+			)
+			&& !$this->permissionlib->isBerechtigt('system/change_outputformat', null, $xsl_oe_kurzbz)
+		) {
+			$outputformat = 'pdf';
+		}
+
+		// XML Params
+		$params = 'xmlformat=xml';
+		foreach ([
+			'uid',
+			'stg_kz',
+			'person_id',
+			'id',
+			'prestudent_id',
+			'buchungsnummern',
+			'ss',
+			'abschlusspruefung_id',
+			'typ',
+			'all',
+			'preoutgoing_id',
+			'lvid',
+			'projekt_kurzbz',
+			'von',
+			'bis',
+			'stundevon',
+			'stundebis',
+			'sem',
+			'lehreinheit',
+			'mitarbeiter_uid',
+			'studienordnung_id',
+			'fixangestellt',
+			'standort',
+			'abrechnungsmonat',
+			'form',
+			'projektarbeit_id',
+			'betreuerart_kurzbz',
+			'studiensemester_kurzbz'
+		] as $key) {
+			$value = $this->input->post_get($key);
+			if ($value !== null)
+				$params .= '&' . $key . '=' . urlencode($value);
+		}
+		$value = $this->input->post_get('vertrag_id');
+		if ($value !== null) {
+			foreach ($value as $id)
+				$params .= '&vertrag_id[]=' . urlencode($id);
+		}
+
+		$this->load->library('DocumentExportLib');
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		$result = $this->VorlageModel->load($xsl);
+		if (isError($result))
+			return show_error(getError($result));
+		if (!hasData($result))
+			show_404();
+		
+		$vorlage = current(getData($result));
+		if ($sign_user && !$vorlage->signierbar)
+			return show_error($this->p->t("stv", "grades_error_sign"));
+
+		
+		// Filename
+		$filename = ($vorlage->bezeichnung ?: $vorlage->vorlage_kurzbz);
+		switch ($xsl) {
+			case 'LV_Informationen':
+				$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+				$result = $this->StudiengangModel->load($this->input->post_get('stg_kz'));
+				if (!isError($result) && hasData($result))
+					$filename .= '_' . sanitizeProblemChars(current(getData($result))->kurzbzlang);
+
+				$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+				$result = $this->StudiensemesterModel->load($this->input->post_get('ss'));
+				if (!isError($result) && hasData($result))
+					$filename .= '_' . sanitizeProblemChars(current(getData($result))->studiensemester_kurzbz);
+				break;
+			case 'Honorarvertrag':
+				$uid = str_replace(';', '', $this->input->post_get('uid') ?: '');
+				$this->load->model('person/Benutzer_model', 'BenutzerModel');
+				$this->BenutzerModel->addJoin('public.tbl_person', 'person_id', 'LEFT');
+				$result = $this->BenutzerModel->load([$uid]);
+				if (!isError($result) && hasData($result)) {
+					$user = current(getData($result));
+					$filename .= '_' . sanitizeProblemChars($user->nachname) . '_' . sanitizeProblemChars($user->vorname);
+				}
+				break;
+			case 'Studienordnung':
+				$filename = 'Studienordnung-Studienplan-';
+				
+				$this->load->model('organisation/Studienordnung_model', 'StudienordnungModel');
+				$result = $this->StudienordnungModel->load($this->input->post_get('studienordnung_id'));
+				if (!isError($result) && hasData($result)) {
+					$so = current(getData($result));
+					$filename .= sprintf("%'.04d", $so->studiengang_kz) . '-' . $so->studiengangkurzbzlang;
+				}
+				break;
+			default:
+				$uid = str_replace(';', '', $this->input->post_get('uid') ?: '');
+				$this->load->model('person/Benutzer_model', 'BenutzerModel');
+				$this->BenutzerModel->addJoin('public.tbl_person', 'person_id', 'LEFT');
+				$result = $this->BenutzerModel->load([$uid]);
+				if (!isError($result) && hasData($result)) {
+					$user = current(getData($result));
+					$filename .= '_' . sanitizeProblemChars($user->nachname);
+				}
+				break;
+		}
+
+		// XML Data
+		$result = $this->documentexportlib->getDataURL($xml, $params);
+		if (isError($result))
+			return show_error(getError($result));
+
+		$data = getData($result);
+
+		// Output
+		$this->documentexportlib->showContent($filename, $vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
+	}
+}

application/controllers/LVVerwaltung.php

@@ -0,0 +1,42 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class LVVerwaltung extends Auth_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+
+		$router = load_class('Router');
+		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
+		parent::__construct($permissions);
+
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+	}
+
+	/**
+	 * @return void
+	 */
+	public function _remap()
+	{
+		$this->load->view('LVVerwaltung', [
+			'permissions' => [
+				'lehre/lehrveranstaltung' => $this->permissionlib->isBerechtigt('lehre/lehrveranstaltung'),
+				'lv-plan/gruppenentfernen' => $this->permissionlib->isBerechtigt('lv-plan/gruppenentfernen'),
+				'lv-plan/lektorentfernen' => $this->permissionlib->isBerechtigt('lv-plan/lektorentfernen'),
+			],
+			'variables' => [
+				'semester_aktuell' => $this->variablelib->getVar('semester_aktuell')
+			],
+			'configs' => [
+				'showVertragsdetails' => defined('FAS_LV_LEKTORINNENZUTEILUNG_VERTRAGSDETAILS_ANZEIGEN') && FAS_LV_LEKTORINNENZUTEILUNG_VERTRAGSDETAILS_ANZEIGEN,
+				'showGewichtung' => defined('CIS_GESAMTNOTE_GEWICHTUNG') && CIS_GESAMTNOTE_GEWICHTUNG,
+				'lehreinheitAnmerkungDefault' => defined('LEHREINHEIT_ANMERKUNG_DEFAULT') ? LEHREINHEIT_ANMERKUNG_DEFAULT : '',
+				'lehreinheitRaumtypDefault' => defined('DEFAULT_LEHREINHEIT_RAUMTYP') ? DEFAULT_LEHREINHEIT_RAUMTYP : '',
+				'lehreinheitRaumtypAlternativeDefault' => defined('DEFAULT_LEHREINHEIT_RAUMTYP_ALTERNATIV') ? DEFAULT_LEHREINHEIT_RAUMTYP_ALTERNATIV : ''
+			]
+		]);
+
+	}
+}

application/controllers/NeueNachricht.php

@@ -0,0 +1,37 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class NeueNachricht extends Auth_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+		$router = load_class('Router');
+		$permissions[$router->method] = ['vertrag/mitarbeiter:r'];
+		parent::__construct($permissions);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+	}
+
+	/**
+	 * @return void
+	 */
+	public function _remap()
+	{
+		$typeid = $this->input->post('typeid');
+		$ids = ($this->input->post('ids') && strpos($this->input->post('ids'), ',')) 
+			? explode(',', $this->input->post('ids'))
+			: $this->input->post('ids');
+
+		//now working
+		$this->load->view('Nachrichten', [
+			'permissions' => [
+				'assistenz_schreibrechte' => $this->permissionlib->isBerechtigt('assistenz','suid'),
+			],
+			'ids' => $ids,
+			'typeid' => $typeid
+		]);
+	}
+}

application/controllers/Studentenverwaltung.php

@@ -0,0 +1,45 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Studentenverwaltung extends Auth_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+		$router = load_class('Router');
+		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
+		parent::__construct($permissions);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+	}
+
+	/**
+	 * @return void
+	 */
+	public function _remap()
+	{
+		$this->load->view('Studentenverwaltung', [
+			'permissions' => [
+				'student/bpk' => $this->permissionlib->isBerechtigt('student/bpk'),
+				'student/alias' => $this->permissionlib->isBerechtigt('student/alias'),
+				'basis/prestudent' => $this->permissionlib->isBerechtigt('basis/prestudent'),
+				'basis/prestudentstatus' => $this->permissionlib->isBerechtigt('basis/prestudentstatus'),
+				'assistenz_stgs' => $this->permissionlib->getSTG_isEntitledFor('assistenz'),
+				'admin' => $this->permissionlib->isBerechtigt('admin'),
+				'assistenz_schreibrechte' => $this->permissionlib->isBerechtigt('assistenz','suid'),
+				'student/keine_studstatuspruefung' => $this->permissionlib->isBerechtigt('student/keine_studstatuspruefung'),
+				'lehre/reihungstestAufsicht' => $this->permissionlib->isBerechtigt('lehre/reihungstestAufsicht'),
+				'system/change_outputformat' => $this->permissionlib->getOE_isEntitledFor('system/change_outputformat'),
+				'student/editBakkZgv' => $this->permissionlib->isBerechtigt('student/editBakkZgv'),
+				'student/editMakkZgv' => $this->permissionlib->isBerechtigt('student/editMakkZgv'),
+				'student/editDokZgv' => $this->permissionlib->isBerechtigt('student/editDokZgv'),
+				'student/editBismelden' => $this->permissionlib->isBerechtigt('student/editBismelden')
+			],
+			'variables' => [
+				'semester_aktuell' => $this->variablelib->getVar('semester_aktuell')
+			]
+		]);
+	}
+}

application/controllers/Test.php

@@ -1,16 +0,0 @@
-<?php
- 
-if ( !defined("PHPUNIT_TEST") ) {
-    show_404();
-}
- 
-class Test extends CI_Controller
-{
-    public function index()
-    {
-        // Yep... This is all we need.
-        ini_set('error_reporting', E_ALL); // or error_reporting(E_ALL);
-        ini_set('display_errors', '1');
-        ini_set('display_startup_errors', '1');
-    }
-}

application/controllers/api/frontend/v1/Ampeln.php

@@ -0,0 +1,145 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Ampeln extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'open' => self::PERM_LOGGED,
+			'all' => self::PERM_LOGGED,
+			'confirm' => self::PERM_LOGGED,
+			'alleAmpeln' => self::PERM_LOGGED,
+		]);
+
+		$this->load->model('content/Ampel_model', 'AmpelModel');
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * confirms ampel and inserts ampel_id in public.tbl_ampel_benutzer_bestaetigt
+	 * @access public
+	 *
+	 */
+	public function confirm($ampel_id)
+	{
+		$this->load->library('form_validation');
+		$this->form_validation->set_data(['ampel_id'=> $ampel_id]);
+		$this->form_validation->set_rules('ampel_id', 'Ampel ID', 'required|integer');
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// load Ampel_benutzer_bestaetigt_model to confirm the ampel
+		$this->load->model('content/Ampel_Benutzer_Bestaetigt_model', 'AmpelBenutzerBestaetigtModel');
+		$insert_into_result = $this->AmpelBenutzerBestaetigtModel->insert(["ampel_id"=> $ampel_id, "uid"=> $this->uid]);
+
+		$insert_into_result = $this->getDataOrTerminateWithError($insert_into_result);
+
+		$this->terminateWithSuccess($insert_into_result);
+	}
+	
+	/**
+	 * queries active and not confirmed ampeln by the user
+	 * @access public
+	 *
+	 */
+	public function open()
+	{
+		$userAmpeln = array();
+
+		// fetch active ampeln
+		$activeAmpeln = $this->AmpelModel->openActive($this->uid, false);
+		
+		$activeAmpeln = $this->getDataOrTerminateWithError($activeAmpeln);
+
+		foreach ($activeAmpeln as $ampel) {
+			// only include non confirmed active ampeln in the result
+			if (!$ampel->bestaetigt) {
+				// check if the user was assigned to the ampel
+				$zugeteilt = $this->AmpelModel->isZugeteilt($this->uid, $ampel->benutzer_select);
+
+				$zugeteilt = $this->getDataOrTerminateWithError($zugeteilt);
+
+				if($zugeteilt) $userAmpeln[] = $ampel;
+			}
+		}
+		
+		$this->terminateWithSuccess($userAmpeln);
+	}
+
+	/**
+	 * queries all ampeln of the user
+	 * @access public
+	 *
+	 */
+	public function all()
+	{
+		$userAmpeln = array();
+		
+		$ampel_result = $this->AmpelModel->active(false, $this->uid);
+		
+		$ampel_result = $this->getDataOrTerminateWithError($ampel_result);
+		
+		foreach ($ampel_result as $ampel) {
+			// check if the ampel was assigned to the user
+			$zugeteilt = $this->AmpelModel->isZugeteilt($this->uid, $ampel->benutzer_select);
+
+			$zugeteilt = $this->getDataOrTerminateWithError($zugeteilt);
+
+			if ($zugeteilt) $userAmpeln[] = $ampel;
+		}
+
+		$this->terminateWithSuccess($userAmpeln);
+	}
+
+	/**
+	 * queries all ampeln that were assigned to the user until start of first work day
+	 * @access public
+	 *
+	 */
+	public function alleAmpeln()
+	{
+
+		//fetch all ampeln
+		$alle_ampeln = $this->AmpelModel->alleAmpeln($this->uid);
+
+		$alle_ampeln = $this->getDataOrTerminateWithError($alle_ampeln);
+
+		$alle_ampeln = array_map(function ($ampel) {
+			// check if ampel is confirmed by user
+			$confirmedByUser = $this->AmpelModel->isConfirmed($ampel->ampel_id, $this->uid);
+			$ampel->bestaetigt = $confirmedByUser;
+			return $ampel;
+		}, $alle_ampeln);
+
+		$this->terminateWithSuccess($alle_ampeln);
+	}
+}
+

application/controllers/api/frontend/v1/AuthInfo.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class AuthInfo extends FHCAPI_Controller
+{
+	protected $uid;
+	protected $pid;
+	protected $isMitarbeiter;
+	protected $isStudent;
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getAuthUID' => self::PERM_LOGGED,
+			'getAuthInfo' => self::PERM_LOGGED,
+		]);
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+		$this->isMitarbeiter = getData($this->MitarbeiterModel->isMitarbeiter($this->uid)) ?? false;
+		$this->isStudent = getData($this->StudentModel->isStudent($this->uid)) ?? false;
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * returns the uid of the currently logged in user
+	 * @access public
+	 *
+	 */
+	public function getAuthUID()
+	{
+		$this->terminateWithSuccess(['uid'=>$this->uid]);
+	}
+	
+	public function getAuthInfo()
+	{
+		$data = (object) array(
+				'uid' => $this->uid,
+				'isMitarbeiter' => $this->isMitarbeiter,
+				'isStudent' => $this->isStudent
+		);
+		$this->terminateWithSuccess($data);
+	}
+}
+

application/controllers/api/frontend/v1/Bookmark.php

@@ -0,0 +1,138 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Bookmark extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getBookmarks' => self::PERM_LOGGED,
+            'delete' => self::PERM_LOGGED,
+            'insert' => self::PERM_LOGGED,
+			'update' => self::PERM_LOGGED,
+        ]);
+
+		$this->load->model('dashboard/Bookmark_model', 'BookmarkModel');
+
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	
+    /**
+	 * gets the bookmarks associated to a user 
+	 * @access public
+	 * @return void
+	 */
+	public function getBookmarks()
+	{
+        $this->BookmarkModel->addOrder("bookmark_id");
+		$bookmarks = $this->BookmarkModel->loadWhere(["uid"=>$this->uid]);
+
+        $bookmarks = $this->getDataOrTerminateWithError($bookmarks);
+
+        $this->terminateWithSuccess($bookmarks);
+    }
+
+    /**
+	 * deletes bookmark from associated user 
+	 * @access public
+	 * @return void
+	 */
+    public function delete($bookmark_id)
+	{
+        $bookmark = $this->BookmarkModel->load($bookmark_id);
+
+        $bookmark = current($this->getDataOrTerminateWithError($bookmark));
+
+        // only delete bookmark if the user is the owner of the bookmark
+        if($bookmark->uid == $this->uid || $this->permissionlib->isBerechtigt('admin')){
+
+            $delete_result = $this->BookmarkModel->delete($bookmark_id);
+
+            $delete_result = $this->getDataOrTerminateWithError($delete_result);
+
+            $this->terminateWithSuccess($delete_result);
+        }else{
+            $this->_outputAuthError(['delete' => ['admin:rw']]);
+        }
+    }
+
+    /**
+	 * inserts new bookmark into the bookmark table 
+	 * @access public
+	 * @return void
+	 */
+    public function insert()
+	{
+        // form validation
+        $this->load->library('form_validation');
+        $this->form_validation->set_rules('url', 'URL', 'required|valid_url|max_length[511]');
+        $this->form_validation->set_rules('title', 'Title', 'required|max_length[255]');
+        if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+        $url = $this->input->post('url',true);
+        $title = $this->input->post('title',true);
+        $tag = $this->input->post('tag', true);
+
+        $insert_into_result = $this->BookmarkModel->insert(['uid'=>$this->uid, 'url'=>$url, 'title'=>$title,'tag'=>$tag, 'insertvon'=>$this->uid, 'updateamum'=>NULL, 'updatevon'=>NULL]);
+
+        $insert_into_result = $this->getDataOrTerminateWithError($insert_into_result);
+
+        $this->terminateWithSuccess($insert_into_result);
+
+    }
+
+	/**
+	 * updates bookmark in the bookmark table 
+	 * @access public
+	 * @return void
+	 */
+    public function update($bookmark_id)
+	{
+        // form validation
+        $this->load->library('form_validation');
+        $this->form_validation->set_rules('url', 'URL', 'required|valid_url|max_length[511]');
+        $this->form_validation->set_rules('title', 'Title', 'required|max_length[255]');
+        if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+        $url = $this->input->post('url',true);
+        $title = $this->input->post('title',true);
+
+		$now = new DateTime();
+		$now = $now->format('Y-m-d H:i:s');
+
+        $update_result = $this->BookmarkModel->update($bookmark_id,['url'=>$url, 'title'=>$title,'updateamum'=>$now]);
+
+        $update_result = $this->getDataOrTerminateWithError($update_result);
+
+        $this->terminateWithSuccess($update_result);
+
+    }
+}
+

application/controllers/api/frontend/v1/Cis4FhcApi.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Cis4FhcApi extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getViewData' => self::PERM_LOGGED,
+		]);
+		
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * fetches ViewData
+	 */
+	public function getViewData()
+	{
+		$this->load->model('person/Person_model','PersonModel');
+		$personData = getData($this->PersonModel->getByUid(getAuthUID()))[0];
+
+		$viewData = array(
+			'uid' => getAuthUID(),
+			'name' => $personData->vorname,
+			'person_id' => $personData->person_id
+		);
+
+		$this->terminateWithSuccess($viewData);
+	}
+
+
+
+}
+

application/controllers/api/frontend/v1/CisMenu.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+class CisMenu extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getMenu' => self::PERM_LOGGED,
+		]);
+
+		
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+    /**
+	 * fetches the menu for CIS from the database based on the userLanguage
+	 */
+    public function getMenu()
+	{
+		$this->load->model('content/Content_model', 'ContentModel');
+		$this->load->config('cis');
+		$cis4_content_id =$this->config->item('cis_menu_root_content_id');
+		$result = $this->ContentModel->getMenu($cis4_content_id, getAuthUID(),getUserLanguage());
+		$result = $this->getDataOrTerminateWithError($result);
+		$menu = $result->childs ?? [];
+		$this->terminateWithSuccess($menu);
+    }
+
+	
+	
+}
+

application/controllers/api/frontend/v1/Cms.php

@@ -0,0 +1,207 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the SearchBarLib (back-end)
+ * Provides data to the ajax get calls about the searchbar component
+ * This controller works with JSON calls on the HTTP GET and the output is always JSON
+ */
+class Cms extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		// NOTE(chris): additional permission checks will be done in SearchBarLib
+		parent::__construct([
+			'ContentID' => self::PERM_LOGGED,
+			'getOrtKurzbzContent' => self::PERM_LOGGED,
+            'content' => self::PERM_LOGGED,
+			'news' => self::PERM_LOGGED,
+			'getNewsRowCount' => self::PERM_LOGGED,
+			'getNews' => self::PERM_LOGGED,
+
+		]);
+
+		$this->load->model('content/News_model', 'NewsModel');
+
+		// setting up the papgination_size
+		$this->page_size = 10;
+
+		$this->load->library('CmsLib');
+
+		// Loads phrases system
+		$this->loadPhrases([
+			'global'
+		]);
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+    /**
+	 * fetches the content with the content_id and additional parameters
+	 */
+    public function content()
+	{
+		// form validation
+		$this->load->library('form_validation');
+		$this->form_validation->set_data($_GET);
+		$this->form_validation->set_rules('content_id','Content ID','required|is_natural');
+		if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// getting the get parameters
+        $content_id = $this->input->get("content_id",TRUE);
+        $version = $this->input->get("version",TRUE);
+        $sprache = $this->input->get("sprache",TRUE);
+        $sichtbar = $this->input->get("sichtbar",TRUE);
+
+		$content = $this->cmslib->getContent($content_id, $version, $sprache, $sichtbar);
+		$content = $this->getDataOrTerminateWithError($content);
+
+		$this->terminateWithSuccess($content);
+	}
+
+	/**
+	 * Gets a JSON body via HTTP POST and provides the parameters
+	 */
+	public function ContentID()
+	{
+		// form validation
+		$this->load->library('form_validation');
+		$this->form_validation->set_data($_GET);
+		$this->form_validation->set_rules('ort_kurzbz', 'Ort', 'required');
+		if ($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$ort_kurzbz = $this->input->get('ort_kurzbz',TRUE);
+		
+		$content_id = $this->OrtModel->getContentID($ort_kurzbz);
+
+		$content_id = current($this->getDataOrTerminateWithError($content_id))->content_id;
+		
+		$this->terminateWithSuccess($content_id);
+	}
+
+	public function news()
+	{
+
+		// form validation
+		$this->load->library('form_validation');
+		$this->form_validation->set_data($_GET);
+		$this->form_validation->set_rules('limit','Limit','required|is_natural_no_zero');
+		if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+		
+		$this->load->model('content/news_model', 'NewsModel');
+		
+		$limit =  $this->input->get('limit',TRUE);
+		
+		//query the news
+		$news = $this->NewsModel->getAll($limit);
+
+		//get the data or terminate with error
+		$news = $this->getDataOrTerminateWithError($news);
+		// array that keeps track of which news don't have a betreff and have to be removed from the news array
+		$newsToRemove = array();
+		// collect the content of the news
+		foreach($news as $index=>$news_element){
+			
+			$this->NewsModel->resetQuery();
+			$content = $this->cmslib->getContent($news_element->content_id);
+			if(isError($content))
+			{
+				// removes the news from the news array, so that the response does not include a invalid news
+				array_push($newsToRemove,$index);
+				//add the error to the api response? visual feedback
+				//$this->addError(print_r($content->retval,true));
+				continue;
+			}
+			$content = getData($content);		
+			$news_element->content_obj = $content; 
+		}
+
+		//removes all news that don't have a betreff
+		foreach($newsToRemove as $removeNewsIndex)
+		{
+			unset($news[$removeNewsIndex]);
+		}
+
+		$withContent = function($news) {
+			return $news->content_obj != null;
+		}; 
+		$newsWithContent = array_filter($news, $withContent);
+		$this->terminateWithSuccess($newsWithContent);
+        
+	}
+
+	public function getNewsRowCount($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $fachbereich_kurzbz = null, $maxalter = 0, $edit = false, $sichtbar = true, $page = 1, $page_size = 10)
+	{
+		list($studiengang_kz, $semester) = $this->cmslib->getStgAndSem($studiengang_kz, $semester);
+		$all = $edit;
+		
+		$this->load->model('content/News_model','NewsModel');
+
+		$num_rows = $this->NewsModel->countNewsWithContent(getSprache(), $studiengang_kz, $semester, $fachbereich_kurzbz, $sichtbar, $maxalter, $page, $page_size, $all, $mischen);
+		
+		$num_rows = $this->getDataOrTerminateWithError($num_rows);
+		
+		$this->terminateWithSuccess($num_rows);
+		
+	}
+
+
+	public function getNews($infoscreen = false, $studiengang_kz = null, $semester = null, $mischen = true, $titel = '', $edit = false, $sichtbar = true)
+	{
+		//form validation
+		$this->load->library('form_validation');
+		$this->form_validation->set_data($_GET);
+		$this->form_validation->set_rules('page','Page','required|is_natural');
+		$this->form_validation->set_rules('page_size', 'PageSize', 'is_natural');
+		if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// getting the GET parameters
+		$page = intval($this->input->get('page', true));
+		$page_size = intval($this->input->get('page_size', true));
+		$sprache = $this->input->get('sprache', true);
+		if(!$sprache)
+		{
+			$sprache = getUserLanguage();
+		}
+
+		// default value for the page_size is 10
+		$page_size = $page_size ?? 10;
+		
+		$news = $this->cmslib->getNews($infoscreen, $studiengang_kz, $semester, $mischen, $titel, $edit, $sichtbar, $page, $page_size, $sprache);
+		$news = $this->getDataOrTerminateWithError($news);
+
+		$this->addMeta('phrases', json_decode($this->p->getJson()));
+		$this->terminateWithSuccess($news);
+
+	}
+
+	
+}
+

application/controllers/api/frontend/v1/Documents.php

@@ -0,0 +1,493 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about documents
+ * Listens to ajax post calls to change the documents data
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ *
+ * This controller handles output and access to documents.
+ * It checks permissions to render documents in an alternative format
+ * or it creates a XML file, transforms it with the XSL-FO Vorlage from the
+ * database and generates a PDF file with unoconv or docsbox.
+ * This file is then archivated in the database.
+ *
+ * The last part is the CodeIgniter version of content/pdfExport.php when not
+ * using the get paremeter: "archivdokument" but using the get parameter:
+ * "archive".
+ * Use archiveSigned() instead of providing the "sign" get parameter and
+ * archive() otherwise.
+ */
+class Documents extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'permissionAlternativeFormat' => self::PERM_LOGGED,
+			'archive' => ['admin:rw', 'assistenz:rw'],
+			'archiveSigned' => ['admin:rw', 'assistenz:rw'],
+			'download' => ['admin:rw', 'assistenz:rw']
+		]);
+
+		// Load Phrases
+		$this->loadPhrases([
+			'stv'
+		]);
+	}
+
+	/**
+	 * Checks if the current user has permission to render documents in an
+	 * alternative format.
+	 *
+	 * @param string				$oe_kurzbz Or studiengang_kz
+	 *
+	 * @return void
+	 */
+	public function permissionAlternativeFormat($oe_kurzbz)
+	{
+		$this->terminateWithSuccess($this->permissionlib->isBerechtigt('system/change_outputformat', null, $oe_kurzbz));
+	}
+
+	/**
+	 * Archive a not signed document.
+	 *
+	 * @param string				$xml (optional)
+	 * @param string				$xsl (optional)
+	 *
+	 * @return void
+	 */
+	public function archive($xml = null, $xsl = null)
+	{
+		return $this->_archive($xml, $xsl);
+	}
+
+	/**
+	 * Archive a signed document.
+	 *
+	 * @param string				$xml (optional)
+	 * @param string				$xsl (optional)
+	 *
+	 * @return void
+	 */
+	public function archiveSigned($xml = null, $xsl = null)
+	{
+		return $this->_archive($xml, $xsl, getAuthUID());
+	}
+
+	/**
+	 *
+	 * @return void
+	 */
+	public function download($xml, $xsl, $sign_user = null)
+	{
+		$akteExportData = $this->_getAkteExportData($xml, $xsl, $sign_user);
+
+		$akteData = $akteData['akteData'];
+		$exportData = $akteData['exportData'];
+
+		/**
+		 *				[
+					'vorlage' => $vorlage,
+					'xml_data' => $data,
+					'oe_kurzbz' => $xsl_oe_kurzbz,
+					'version' => $version,
+					'outputformat' => $outputformat,
+					'sign_user' => $sign_user
+				]
+		 */
+
+		// Output
+		$result = $this->documentexportlib->showContent(
+			$akteData['akteData']['inhalt'],
+			$exportData['vorlage'],
+			$exportData['xml_data'],
+			$exportData['oe_kurzbz'],
+			$exportData['version'],
+			$exportData['outputformat'],
+			$exportData['sign_user']
+		);
+
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * Helper function for archive() and archiveSigned()
+	 *
+	 * @param string				$xml
+	 * @param string				$xsl
+	 * @param string				$sign_user (optional)
+	 *
+	 * @return void
+	 */
+	private function _archive($xml, $xsl, $sign_user = null)
+	{
+		$akteData = $this->_getAkteExportData($xml, $xsl, $sign_user);
+
+		$this->load->model('crm/Akte_model', 'AkteModel');
+		$result = $this->AkteModel->insert($akteData['akteData']);
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * @param string				$xml
+	 * @param string				$xsl
+	 * @param string				$sign_user (optional)
+	 *
+	 * @return array with Akte data and export data
+	 */
+	private function _getAkteExportData($xml, $xsl, $sign_user = null)
+	{
+		if (!$xml || !$xsl) {
+			$this->load->library('form_validation');
+			if (!$xml) {
+				$xml = $this->input->post_get('xml');
+				$this->addMeta('xml', $xml);
+				$this->form_validation->set_rules('xml', 'xml', 'required');
+			}
+			if (!$xsl) {
+				$xsl = $this->input->post_get('xsl');
+				$this->addMeta('xsl', $xsl);
+				$this->form_validation->set_rules('xsl', 'xsl', 'required');
+			}
+
+			if (!$this->form_validation->run())
+				$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$xsl_oe_kurzbz = null;
+		$version = $this->input->post_get('version') ?: null;
+
+		// Get the OE or STG of the document
+		$xsl_oe_kurzbz = $this->input->post_get('xsl_oe_kurzbz')
+			?: $this->input->post_get('xsl_stg_kz')
+			?: $this->input->post_get('stg_kz');
+		if (is_null($xsl_oe_kurzbz)) {
+			$uid = $this->input->post_get('uid');
+			if ($uid) {
+				$uid = current(explode(';', $uid));
+				$this->load->model('crm/Student_model', 'StudentModel');
+				$result = $this->StudentModel->load([$uid]);
+				if (!isError($result) && hasData($result))
+					$xsl_oe_kurzbz = current(getData($result))->studiengang_kz;
+			}
+		}
+		if (is_null($xsl_oe_kurzbz)) {
+			$prestudent_id = $this->input->post_get('prestudent_id');
+			if ($prestudent_id) {
+				$prestudent_id = current(explode(';', $prestudent_id));
+				$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+				$result = $this->PrestudentModel->load($prestudent_id);
+				if (!isError($result) && hasData($result))
+					$xsl_oe_kurzbz = current(getData($result))->studiengang_kz;
+			}
+		}
+		if (is_null($xsl_oe_kurzbz))
+			$xsl_oe_kurzbz = 0;
+
+		// Vorlage
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		$result = $this->VorlageModel->load($xsl);
+		$this->addMeta("ress", $result);
+		$vorlage = current($this->getDataOrTerminateWithError($result));
+		if (!$vorlage)
+			show_404();
+
+		// Akte Data
+		$akteData = [
+			'dokument_kurzbz' => $vorlage->dokument_kurzbz ?: 'Zeugnis',
+			'mimetype' => 'application/pdf',
+			'erstelltam' => date('Y-m-d'),
+			'gedruckt' => true,
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID(),
+			'uid' => $this->input->post_get('uid') ?: '',
+			'archiv' => true,
+			'signiert' => !!$sign_user,
+			'stud_selfservice' => $vorlage->stud_selfservice
+		];
+		$studiengang_kz = null;
+		if ($akteData['uid']) {
+			$this->load->model('crm/Student_model', 'StudentModel');
+			$this->StudentModel->addSelect('tbl_student.*, UPPER(typ || kurzbz) AS kuerzel');
+			$this->StudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz', 'LEFT');
+			$result = $this->StudentModel->load([$akteData['uid']]);
+			$student = current($this->getDataOrTerminateWithError($result));
+
+			$ss = $this->input->post_get('ss');
+
+			if ($ss !== null) {
+				$this->load->model('crm/prestudentstatus_model', 'PrestudentstatusModel');
+				$result = $this->PrestudentstatusModel->getLastStatus($student->prestudent_id, $ss);
+				$status = current($this->getDataOrTerminateWithError($result));
+				if (!$status)
+					$this->terminateWithError($this->p->t("stv", "grades_error_prestudentstatus"));
+				$semester = $status->ausbildungssemester;
+
+				$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
+				$this->StudentlehrverbandModel->addJoin('public.tbl_benutzer', 'uid = student_uid');
+				$this->StudentlehrverbandModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+				$result = $this->StudentlehrverbandModel->load([
+					'studiensemester_kurzbz' => $ss,
+					'student_uid' => $akteData['uid']
+				]);
+				$res = current($this->getDataOrTerminateWithError($result));
+
+				$studiengang_kz = $res->studiengang_kz;
+				$akteData['person_id'] = $res->person_id;
+				switch ($xsl) {
+					case 'Ausbildungsver':
+					case 'AusbVerEng':
+						$akteData['titel'] = mb_substr($xsl .
+							"_" .
+							strtoupper($res->typ) .
+							strtoupper($res->kurzbz) .
+							"_" .
+							$semester .
+							"_" .
+							$ss, 0, 64);
+						$akteData['bezeichnung'] = mb_substr($vorlage->bezeichnung . " " . $student->kuerzel, 0, 64);
+						break;
+					case 'LVZeugnisEng':
+					case 'LVZeugnis':
+					case 'Zertifikat':
+						$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+						$result = $this->LehrveranstaltungModel->load($this->input->post_get('lvid'));
+						$lv = current($this->getDataOrTerminateWithError($result));
+						$akteData['dokument_kurzbz'] = $xsl;
+						$akteData['titel'] = mb_substr($xsl .
+							"_" .
+							strtoupper($res->typ) .
+							strtoupper($res->kurzbz) .
+							"_" .
+							$semester .
+							'_' .
+							$ss .
+							'_' .
+							str_replace(' ', '_', $lv->bezeichnung), 0, 60);
+						$akteData['bezeichnung'] = mb_substr($xsl .
+							" " .
+							strtoupper($res->typ) .
+							strtoupper($res->kurzbz) .
+							" " .
+							$semester .
+							". Semester" .
+							' ' .
+							$ss .
+							' ' .
+							$lv->bezeichnung, 0, 64);
+						break;
+					case 'SZeugnis':
+						$akteData['titel'] = mb_substr($vorlage->bezeichnung . " " . $student->kuerzel, 0, 64);
+						$akteData['bezeichnung'] = mb_substr($vorlage->bezeichnung . " " . $student->kuerzel, 0, 64);
+						break;
+					default:
+						$akteData['titel'] = mb_substr($xsl .
+							"_" .
+							strtoupper($res->typ) .
+							strtoupper($res->kurzbz) .
+							"_" .
+							$semester .
+							"_" .
+							$ss, 0, 64);
+						$akteData['bezeichnung'] = mb_substr($xsl .
+							" " .
+							strtoupper($res->typ) .
+							strtoupper($res->kurzbz) .
+							" " .
+							$semester .
+							". Semester" .
+							' ' .
+							$ss, 0, 64);
+						break;
+				}
+			} else {
+				$studiengang_kz = $student->studiengang_kz;
+				$akteData['person_id'] = $student->person_id;
+				$akteData['titel'] = $vorlage->bezeichnung . '_' . $student->kuerzel;
+				$akteData['bezeichnung'] = mb_substr($vorlage->bezeichnung . " " . $student->kuerzel, 0, 64);
+			}
+		} else {
+			$prestudent_id = $this->input->post_get('prestudent_id');
+			if ($prestudent_id) {
+				$this->load->model('crm/prestudent_model', 'PrestudentModel');
+				$this->PrestudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz', 'LEFT');
+				$result = $this->PrestudentModel->load($prestudent_id);
+				$prestudent = current($this->getDataOrTerminateWithError($result));
+
+				$studiengang_kz = $prestudent->studiengang_kz;
+				$akteData['person_id'] = $prestudent->person_id;
+				$akteData['titel'] = mb_substr($xsl . "_" . $prestudent->kuerzel, 0, 64);
+				$akteData['bezeichnung'] = mb_substr($vorlage->bezeichnung . " " . $prestudent->kuerzel, 0, 64);
+			}
+		}
+
+		// Access rights
+		if (!$this->permissionlib->isBerechtigt('admin', 'suid', $studiengang_kz)
+			&& !$this->permissionlib->isBerechtigt('assistenz', 'suid', $studiengang_kz))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+		if ($xsl == 'AccountInfo') {
+			$this->load->model('resource/Mitarbeiter_model', 'MitarbeiterModel');
+			$this->load->model('crm/Student_model', 'StudentModel');
+			$uids = $this->input->post_get('uid');
+			if ($uids) {
+				$uids = explode(';', $uids);
+				foreach ($uids as $uid) {
+					$result = $this->MitarbeiterModel->load($uid);
+					if (!isError($result) && hasData($result)) {
+						if (!$this->permissionlib->isBerechtigt('admin', 'suid', 0)
+							&& !$this->permissionlib->isBerechtigt('mitarbeiter', 'suid', 0))
+							return $this->_outputAuthError([$this->router->method => ['admin:rw', 'mitarbeiter:rw']]);
+					} else {
+						$result = $this->StudentModel->load([$uid]);
+						if (!isError($result) && hasData($result)) {
+							$student = current(getData($result));
+							if (!$this->permissionlib->isBerechtigt('admin', 'suid', $student->studiengang_kz)
+								&& !$this->permissionlib->isBerechtigt('admin', 'suid', 0)
+								&& !$this->permissionlib->isBerechtigt('assistenz', 'suid', $student->studiengang_kz)
+								&& !$this->permissionlib->isBerechtigt('assistenz', 'suid', 0)
+								&& !$this->permissionlib->isBerechtigt('support', 'suid', 0))
+								return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw', 'support:rw']]);
+						}
+					}
+				}
+			}
+		} else {
+			$this->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
+
+			$result = $this->VorlagestudiengangModel->getCurrent($xsl, $xsl_oe_kurzbz, $version);
+			$access_rights = current($this->getDataOrTerminateWithError($result));
+			// TODO: was bedeutet wenn keine berechtigung?
+			if (!$access_rights || !$access_rights->berechtigung)
+				return show_404();
+
+			$allowed = false;
+			foreach ($access_rights->berechtigung as $access_right) {
+				if ($this->permissionlib->isBerechtigt($access_right)) {
+					$allowed = true;
+					break;
+				}
+			}
+			if (!$allowed)
+				return $this->_outputAuthError([$this->router->method => $access_rights]);
+		}
+
+		// Output format
+		$outputformat = $this->input->post_get('output') ?: 'pdf';
+		if ($outputformat != 'pdf'
+			// An der FHTW darf das Studienblatt und das Prüfungsprotokoll auch in anderen Formaten exportiert werden
+			&& !(CAMPUS_NAME == 'FH Technikum Wien'
+				&& ($xsl == 'Studienblatt'
+					|| $xsl == 'StudienblattEng'
+					|| $xsl == 'PrProtBA'
+					|| $xsl == 'PrProtBAEng'
+					|| $xsl == 'PrProtMA'
+					|| $xsl == 'PrProtMAEng'
+				)
+			)
+			&& !$this->permissionlib->isBerechtigt('system/change_outputformat', null, $xsl_oe_kurzbz)
+		) {
+			$outputformat = 'pdf';
+		}
+
+		// XML Params
+		$params = 'xmlformat=xml';
+		foreach ([
+			'uid',
+			'stg_kz',
+			'person_id',
+			'id',
+			'prestudent_id',
+			'buchungsnummern',
+			'ss',
+			'abschlusspruefung_id',
+			'typ',
+			'all',
+			'preoutgoing_id',
+			'lvid',
+			'projekt_kurzbz',
+			'von',
+			'bis',
+			'stundevon',
+			'stundebis',
+			'sem',
+			'lehreinheit',
+			'mitarbeiter_uid',
+			'studienordnung_id',
+			'fixangestellt',
+			'standort',
+			'abrechnungsmonat',
+			'form',
+			'projektarbeit_id',
+			'betreuerart_kurzbz',
+			'studiensemester_kurzbz'
+		] as $key) {
+			if (in_array($xsl, array('Ausbildungsver', 'AusbVerEng')) && $key === 'uid')
+			{
+				continue;
+			}
+			$value = $this->input->post_get($key);
+			if ($value !== null)
+				$params .= '&' . $key . '=' . urlencode($value);
+		}
+		$value = $this->input->post_get('vertrag_id');
+		if ($value !== null) {
+			foreach ($value as $id)
+				$params .= '&vertrag_id[]=' . urlencode($id);
+		}
+
+		if (!$vorlage->archivierbar)
+			$this->terminateWithError($this->p->t("stv", "grades_error_archive"));
+
+		if ($sign_user && !$vorlage->signierbar)
+			$this->terminateWithError($this->p->t("stv", "grades_error_sign"));
+
+
+		$this->load->library('DocumentExportLib');
+
+		// XML Data
+		$result = $this->documentexportlib->getDataURL($xml, $params);
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->documentexportlib->addArchiveToData($data);
+
+		// Output
+		$result = $this->documentexportlib->getContent($vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
+
+		$content = $this->getDataOrTerminateWithError($result);
+		$akteData['titel'] .= '.pdf';
+		$akteData['inhalt'] = base64_encode($content);
+
+		return [
+			'akteData' => $akteData,
+			'exportData' =>
+				[
+					'vorlage' => $vorlage,
+					'xml_data' => $data,
+					'oe_kurzbz' => $xsl_oe_kurzbz,
+					'version' => $version,
+					'outputformat' => $outputformat,
+					'sign_user' => $sign_user
+				]
+		];
+	}
+}

application/controllers/api/frontend/v1/Filter.php

@@ -113,7 +113,7 @@ class Filter extends FHCAPI_Controller
 	 */
 	public function applyFilterFields()
 	{
-		$this->form_validation->set_rules('filterFields', 'filterFields', 'required');
+		$this->form_validation->set_rules('filterFields[]', 'filterFields', 'required');
 
 		if (!$this->form_validation->run())
 			$this->terminateWithValidationErrors($this->form_validation->error_array());

application/controllers/api/frontend/v1/Language.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about languages
+ * This controller works with JSON calls on the HTTP GET and the output is always JSON
+ */
+class Language extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'get' => self::PERM_LOGGED
+		]);
+
+		// Load models
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+	}
+
+	public function get()
+	{
+		$this->SpracheModel->addOrder('sprache');
+
+		$result = $this->SpracheModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/Lehre.php

@@ -0,0 +1,681 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+//require_once('../../../include/studiengang.class.php');
+//require_once('../../../include/student.class.php');
+//require_once('../../../include/datum.class.php');
+//require_once('../../../include/mail.class.php');
+//require_once('../../../include/benutzerberechtigung.class.php');
+//require_once('../../../include/phrasen.class.php');
+//require_once('../../../include/projektarbeit.class.php');
+//require_once('../../../include/projektbetreuer.class.php');
+
+class Lehre extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'lvStudentenMail' => self::PERM_LOGGED,
+			'LV' => self::PERM_LOGGED,
+			'Pruefungen' => self::PERM_LOGGED,
+			'getStudentProjektarbeiten' => self::PERM_LOGGED, // TODO: abgabetool berechtigung?
+			'getStudentProjektabgaben' => self::PERM_LOGGED,
+			'postStudentProjektarbeitZwischenabgabe' => self::PERM_LOGGED,
+			'postStudentProjektarbeitEndupload' => self::PERM_LOGGED,
+			'getMitarbeiterProjektarbeiten' => self::PERM_LOGGED,
+			'postProjektarbeitAbgabe' => self::PERM_LOGGED,
+			'deleteProjektarbeitAbgabe' => self::PERM_LOGGED,
+			'postSerientermin' => self::PERM_LOGGED,
+			'fetchDeadlines' => self::PERM_LOGGED // TODO: mitarbeiter recht prüfen
+		]);
+
+		$this->load->library('PhrasesLib');
+
+		$this->loadPhrases(
+			array(
+				'global',
+				'ui',
+				'abgabetool'
+			)
+		);
+
+		$this->load->helper('hlp_sancho_helper');
+		
+		require_once(FHCPATH . 'include/studiengang.class.php');
+		require_once(FHCPATH . 'include/student.class.php');
+		require_once(FHCPATH . 'include/projektarbeit.class.php');
+		require_once(FHCPATH . 'include/projektbetreuer.class.php');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+    /**
+	 * constructs the emails of the groups from a lehrveranstaltung
+	 */
+    public function lvStudentenMail()
+	{
+        $lehreinheit_id = $this->input->get("lehreinheit_id",TRUE);
+        
+        // return early if the required parameter is missing
+        if(!isset($lehreinheit_id))
+        {
+            $this->terminateWithError('Missing required parameter', self::ERROR_TYPE_GENERAL);
+        }
+
+        $this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+        
+        $studentenMails = $this->LehreinheitModel->getStudentenMail($lehreinheit_id);
+
+        $studentenMails = $this->getDataOrTerminateWithError($studentenMails);
+
+		//convert array of objects into array of strings
+		$studentenMails = array_map(function($element){
+			return $element->mail;
+		}, $studentenMails);
+
+        $this->terminateWithSuccess($studentenMails);
+	}
+
+	public function LV($studiensemester_kurzbz, $lehrveranstaltung_id)
+	{
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$result = $this->LehrveranstaltungModel->getLvsByStudentWithGrades(getAuthUID(), $studiensemester_kurzbz, getUserLanguage(), $lehrveranstaltung_id);
+
+		$result = current($this->getDataOrTerminateWithError($result));
+		
+		$this->terminateWithSuccess($result);
+	}
+
+	/**
+	 * fetches all Pruefungen of a student for a specific lehrveranstaltung
+	 * if the student passed the Pruefung on the first attempt, no information about the Pruefungen is stored in the database 
+	 * @param mixed $lehrveranstaltung_id
+	 * @return void
+	 */
+	public function Pruefungen($lehrveranstaltung_id)
+	{
+		$this->load->model('education/Pruefung_model', 'PruefungModel');
+
+		$result = $this->PruefungModel->getByStudentAndLv(getAuthUID(), $lehrveranstaltung_id, getUserLanguage());
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($result);
+	}
+
+	/**
+	 * fetches all projektabgabetermine for a given projektarbeit_id used in cis4 student abgabetool
+	 */
+	public function getStudentProjektabgaben() {
+		$projektarbeit_id = $this->input->get("projektarbeit_id",TRUE);
+
+		// TODO: error messages
+		
+		if (!isset($projektarbeit_id) || isEmptyString($projektarbeit_id))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		$projektarbeit_obj = new projektarbeit();
+		if($projektarbeit_id==-1)
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		if(!$projektarbeit_obj->load($projektarbeit_id))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		$paIsCurrent = $projektarbeit_obj->projektarbeitIsCurrent($projektarbeit_id);
+		
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+		$ret = $this->ProjektarbeitModel->getProjektarbeitAbgabetermine($projektarbeit_id);
+		
+		// TODO: fetch zweitbetreuer
+		
+		$this->terminateWithSuccess(array($ret, $paIsCurrent));
+	}
+
+	/**
+	 * fetches all projektarbeiten and betreuer for a given student_uid used in cis4 student abgabetool
+	 */
+	public function getStudentProjektarbeiten($uid)
+	{
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+
+		if (!isset($uid) || isEmptyString($uid))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+		
+		$isZugeteilterBetreuer = count($this->ProjektarbeitModel->checkZuordnung($uid, getAuthUID())->retval) > 0;
+		$this->addMeta('isZugeteilterBetreuer', $isZugeteilterBetreuer);
+		$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter(getAuthUID());
+		
+		if ($isMitarbeiter && $isZugeteilterBetreuer){
+			$projektarbeiten = $this->ProjektarbeitModel->getStudentProjektarbeitenWithBetreuer($uid);
+		} else {
+			$projektarbeiten = $this->ProjektarbeitModel->getStudentProjektarbeitenWithBetreuer(getAuthUID());
+		}
+
+		$this->terminateWithSuccess(array($projektarbeiten, DOMAIN, $uid));	
+	}
+	
+	
+
+	/**
+	 * projektarbeit - upload for zwischenabgaben in cis4 student abgabetool
+	 */
+	public function postStudentProjektarbeitZwischenabgabe() 
+	{
+
+		$projektarbeit_id = $_POST['projektarbeit_id'];
+		$paabgabe_id = $_POST['paabgabe_id'];
+		$student_uid = $_POST['student_uid'];
+		$bperson_id = $_POST['bperson_id'];
+		$paabgabetyp_kurzbz = $_POST['paabgabetyp_kurzbz'];
+
+		if (!isset($projektarbeit_id) || isEmptyString($projektarbeit_id)
+			|| !isset($paabgabe_id) || isEmptyString($paabgabe_id)
+			|| !isset($student_uid) || isEmptyString($student_uid)
+			|| !isset($paabgabetyp_kurzbz) || isEmptyString($paabgabetyp_kurzbz))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		if ((isset($_FILES) and isset($_FILES['file']) and ! $_FILES['file']['error'])) {
+			move_uploaded_file($_FILES['file']['tmp_name'], PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf');
+			
+			if(file_exists(PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf')) {
+
+				exec('chmod 640 "'.PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf'.'"');
+
+				$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+				$res = $this->PaabgabeModel->update($paabgabe_id, array(
+					'abgabedatum' => date('Y-m-d'),
+					'updatevon' => getAuthUID(),
+					'updateamum' => date('Y-m-d H:i:s')
+				));
+				
+				$this->sendUploadEmail($bperson_id, $projektarbeit_id, $paabgabetyp_kurzbz, $student_uid);
+				$this->terminateWithSuccess($res);
+			} else {
+				$this->terminateWithError('Error moving File');
+			}
+			
+		} else {
+			$this->terminateWithError('File missing');
+		}
+		
+	}
+
+	/**
+	 * upload für finale abgaben aka Endupload in cis4 student abgabetool
+	 */
+	public function postStudentProjektarbeitEndupload() 
+	{
+
+		$projektarbeit_id = $_POST['projektarbeit_id'];
+		$paabgabe_id = $_POST['paabgabe_id'];
+		$student_uid = $_POST['student_uid'];
+		$sprache = $_POST['sprache'];
+		$abstract = $_POST['abstract'];
+		$abstract_en = $_POST['abstract_en'];
+		$schlagwoerter = $_POST['schlagwoerter'];
+		$schlagwoerter_en = $_POST['schlagwoerter_en'];
+		$seitenanzahl = $_POST['seitenanzahl'];
+		$bperson_id = $_POST['bperson_id'];
+		$paabgabetyp_kurzbz = $_POST['paabgabetyp_kurzbz'];
+		
+		if (!isset($projektarbeit_id) || isEmptyString($projektarbeit_id)
+			|| !isset($paabgabe_id) || isEmptyString($paabgabe_id)
+			|| !isset($student_uid) || isEmptyString($student_uid)
+			|| !isset($paabgabetyp_kurzbz) || isEmptyString($paabgabetyp_kurzbz))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+		
+		// TODO: maybe check for other params aswell?
+
+		if ((isset($_FILES) and isset($_FILES['file']) and ! $_FILES['file']['error'])) {
+			move_uploaded_file($_FILES['file']['tmp_name'], PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf');
+
+			if(file_exists(PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf')) {
+
+				// Loads Libraries
+				$this->load->library('SignatureLib');
+				
+				// Check if the document is signed
+				$signaturVorhanden = true;
+				$signList = SignatureLib::list(PAABGABE_PATH.$paabgabe_id.'_'.$student_uid.'.pdf');
+				if (is_array($signList) && count($signList) > 0)
+				{
+					// The document is signed
+					$uploadedDocumentSigned = 'The document is signed';
+				}
+				elseif ($signList === null)
+				{
+					$uploadedDocumentSigned = 'WARNING: signature server error';
+				}
+				else
+				{
+					$signaturVorhanden = false;
+					$uploadedDocumentSigned = 'No document signature found';
+				}
+				$this->addMeta('signaturInfo', $uploadedDocumentSigned);
+
+				if ($signaturVorhanden === false)
+				{
+					$this->signaturFehltEmail($student_uid);
+				}
+				
+				// TODO error handle get data has data the updates
+				// update projektarbeit cols
+				$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+				$this->ProjektarbeitModel->updateProjektarbeit($projektarbeit_id,$sprache,$abstract,$abstract_en
+					,$schlagwoerter, $schlagwoerter_en, $seitenanzahl);
+
+				
+				// update paabgabe datum
+				$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+				$res = $this->PaabgabeModel->update($paabgabe_id, array(
+					'abgabedatum' => date('Y-m-d'),
+					'updatevon' => getAuthUID(),
+					'updateamum' => date('Y-m-d H:i:s')
+				));
+				
+				$this->sendUploadEmail($bperson_id, $projektarbeit_id, $paabgabetyp_kurzbz, $student_uid);
+
+				$this->terminateWithSuccess($res);
+			} else {
+				$this->terminateWithError('Error moving File');
+			}
+
+		} else {
+			$this->terminateWithError('File missing');
+		}
+		
+	}
+
+	private function signaturFehltEmail($student_uid) {
+		
+		
+		// Mail an Studiengang wenn keine Signatur gefunden wurde
+		$student = new student();
+		if(!$student->load($student_uid))
+			$this->terminateWithError($this->p->t('global','userNichtGefunden'), 'general');
+
+		$stg_obj = new studiengang();
+		if(!$stg_obj->load($student->studiengang_kz))
+			$this->terminateWithError($this->p->t('global','fehlerBeimLesenAusDatenbank'), 'general');
+
+		$subject = 'Abgabe ohne Signatur';
+		$tomail = $stg_obj->email;
+		$data = array(
+			'vorname' => $student->vorname,
+			'nachname' => $student->nachname,
+			'studiengang' => $stg_obj->bezeichnung
+		);
+
+		$mailres = sendSanchoMail(
+			'ParbeitsbeurteilungSiganturFehlt',
+			$data,
+			$tomail,
+			$subject,
+			'sancho_header_min_bw.jpg',
+			'sancho_footer_min_bw.jpg'
+		);
+	}
+	
+	private function sendUploadEmail($bperson_id, $projektarbeit_id, $paabgabetyp_kurzbz, $student_uid) {
+
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+		
+		$resBetr = $this->ProjektarbeitModel->getProjektbetreuerAnrede($bperson_id);
+
+		$projektarbeit_obj = new projektarbeit();
+
+		if(!$projektarbeit_obj->load($projektarbeit_id))
+			$this->terminateWithError('Ungueltiger Eintrag');
+
+		$num_rows_sem = $projektarbeit_obj->projektarbeitIsCurrent($projektarbeit_id);
+
+		if( null === $num_rows_sem || false === $num_rows_sem )
+		{
+			$this->terminateWithError($this->p->t('abgabetool','fehlerAktualitaetProjektarbeit'), 'general');
+		}
+		
+		foreach($resBetr->retval as $betreuerRow) {
+
+			// query student benutzer view for every betreuer row
+			$studentUser = $this->ProjektarbeitModel->getProjektarbeitBenutzer($student_uid)->retval[0];
+			
+			// TODO: hasdata, getData etc
+
+			// 1. Begutachter mail ohne Token
+			$mail_baselink = APP_ROOT."index.ci.php/extensions/FHC-Core-Projektarbeitsbeurteilung/ProjektarbeitsbeurteilungErstbegutachter";
+			$mail_fulllink = "$mail_baselink?projektarbeit_id=".$projektarbeit_id."&uid=".$studentUser->uid;
+			$projekttyp_kurzbz = $projektarbeit_obj->projekttyp_kurzbz;
+			$subject = $projektarbeit_obj->projekttyp_kurzbz == 'Diplom' ? 'Masterarbeitsbetreuung' : 'Bachelorarbeitsbetreuung';
+			$abgabetyp = $paabgabetyp_kurzbz == 'end' ? 'Endabgabe' : 'Zwischenabgabe';
+
+			$maildata = array();
+			$maildata['geehrt'] = "geehrte".($betreuerRow->anrede=="Herr"?"r":"");
+			$maildata['anrede'] = $betreuerRow->anrede;
+			$maildata['betreuer_voller_name'] = $betreuerRow->first;
+			$maildata['student_anrede'] = $studentUser->anrede;
+			$maildata['student_voller_name'] = trim($studentUser->titelpre." ".$studentUser->vorname." ".$studentUser->nachname." ".$studentUser->titelpost);
+			$maildata['abgabetyp'] = $abgabetyp;
+			$maildata['parbeituebersichtlink'] = "<p><a href='".APP_ROOT."cis/private/lehre/abgabe_lektor_frameset.html'>Zur Projektarbeitsübersicht</a></p>";
+			$maildata['bewertunglink'] = $num_rows_sem >= 1 && $paabgabetyp_kurzbz == 'end' ? "<p><a href='$mail_fulllink'>Zur Beurteilung der Arbeit</a></p>" : "";
+			$maildata['token'] = "";
+			
+			$mailres = sendSanchoMail(
+				'ParbeitsbeurteilungEndupload',
+				$maildata,
+				$betreuerRow->mitarbeiter_uid."@".DOMAIN,
+				$subject,
+				'sancho_header_min_bw.jpg',
+				'sancho_footer_min_bw.jpg',
+				get_uid()."@".DOMAIN);
+
+			if(!$mailres)
+			{
+				$this->terminateWithError($this->p->t('abgabetool', 'fehlerMailBegutachter'), 'general');
+			}
+
+			// 2. Begutachter mail, wenn Endabgabe, mit Token wenn extern
+			if ($paabgabetyp_kurzbz == 'end')
+			{
+				// Zweitbegutachter holen
+				$zweitbegutachter = new projektbetreuer();
+				$zweitbegutachterRes = $zweitbegutachter->getZweitbegutachterWithToken($bperson_id, $projektarbeit_id, $studentUser->uid);
+
+				if ($zweitbegutachterRes)
+				{
+					$zweitbegutachterResults = $zweitbegutachter->result;
+
+					foreach ($zweitbegutachterResults as $begutachter)
+					{
+						// token generieren, wenn noch nicht vorhanden und notwendig (wird in methode überprüft)
+						$tokenGenRes = $zweitbegutachter->generateZweitbegutachterToken($begutachter->person_id, $projektarbeit_id);
+
+						if (!$tokenGenRes)
+						{
+							$this->terminateWithError($this->p->t('abgabetool', 'fehlerMailZweitBegutachter'), 'general');
+						}
+						
+						// Zweitbegutachter (evtl. mit Token) holen
+						$zweitbegutachterMitToken = new projektbetreuer();
+						$begutachterMitTokenRes = $zweitbegutachterMitToken->getZweitbegutachterWithToken($bperson_id, $projektarbeit_id, $studentUser->uid, $begutachter->person_id);
+
+						if (!$begutachterMitTokenRes)
+						{
+							$this->terminateWithError($this->p->t('abgabetool', 'fehlerMailZweitBegutachter'), 'general');
+						}
+						
+						// Email an Zweitbegutachter senden
+						if (isset($zweitbegutachterMitToken->result[0]))
+						{
+							$begutachterMitToken = $zweitbegutachterMitToken->result[0];
+
+							$path = $begutachterMitToken->betreuerart_kurzbz == 'Zweitbegutachter' ? 'ProjektarbeitsbeurteilungZweitbegutachter' : 'ProjektarbeitsbeurteilungErstbegutachter';
+							$mail_baselink = APP_ROOT."index.ci.php/extensions/FHC-Core-Projektarbeitsbeurteilung/$path";
+							$mail_fulllink = "$mail_baselink?projektarbeit_id=".$projektarbeit_id."&uid=".$studentUser->uid;
+							$intern = isset($begutachterMitToken->uid);
+							$mail_link = $intern ? $mail_fulllink : $mail_baselink;
+
+							$zweitbetmaildata = array();
+							$zweitbetmaildata['geehrt'] = "geehrte" . ($begutachterMitToken->anrede == "Herr" ? "r" : "");
+							$zweitbetmaildata['anrede'] = $begutachterMitToken->anrede;
+							$zweitbetmaildata['betreuer_voller_name'] = $begutachterMitToken->voller_name;
+							$zweitbetmaildata['student_anrede'] = $maildata['student_anrede'];
+							$zweitbetmaildata['student_voller_name'] = $maildata['student_voller_name'];
+							$zweitbetmaildata['abgabetyp'] = $abgabetyp;
+							$zweitbetmaildata['parbeituebersichtlink'] = $intern ? $maildata['parbeituebersichtlink'] : "";
+							$zweitbetmaildata['bewertunglink'] = $num_rows_sem >= 1 ? "<p><a href='$mail_link'>Zur Beurteilung der Arbeit</a></p>" : "";
+							$zweitbetmaildata['token'] = $num_rows_sem >= 1 && isset($begutachterMitToken->zugangstoken) && !$intern ? "<p>Zugangstoken: " . $begutachterMitToken->zugangstoken . "</p>" : "";
+							
+							$mailres = sendSanchoMail(
+								'ParbeitsbeurteilungEndupload',
+								$zweitbetmaildata,
+								$begutachterMitToken->email,
+								$subject,
+								'sancho_header_min_bw.jpg',
+								'sancho_footer_min_bw.jpg',
+								get_uid()."@".DOMAIN
+							);
+
+							if (!$mailres)
+							{
+								$this->terminateWithError($this->p->t('abgabetool', 'fehlerMailBegutachter'), 'general');
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	public function getMitarbeiterProjektarbeiten() {
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+
+		$boolParamStr = $this->input->get('showall');
+		$trueStrings = ['true', '1'];
+		$falseStrings = ['false', '0'];
+
+		// Handle missing or invalid parameter
+		if ($boolParamStr === null) {
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+		}
+		$boolParamStrLower = strtolower($boolParamStr);
+
+		if (in_array($boolParamStrLower, $trueStrings, true)) {
+			$showAllBool = true;
+		} elseif (in_array($boolParamStrLower, $falseStrings, true)) {
+			$showAllBool = false;
+		} else {
+//			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+		}
+		
+		$projektarbeiten = $this->ProjektarbeitModel->getMitarbeiterProjektarbeiten(getAuthUID(), $showAllBool);
+		
+		$this->terminateWithSuccess(array($projektarbeiten, DOMAIN));
+	}
+	
+	public function postProjektarbeitAbgabe() {
+		$projektarbeit_id = $_POST['projektarbeit_id'];
+		$paabgabe_id = $_POST['paabgabe_id'];
+		$paabgabetyp_kurzbz = $_POST['paabgabetyp_kurzbz'];
+		$datum = $_POST['datum'];
+		$fixtermin = $_POST['fixtermin'];
+		$kurzbz = $_POST['kurzbz'];
+
+		if (!isset($projektarbeit_id) || isEmptyString($projektarbeit_id)
+			|| !isset($paabgabe_id) || isEmptyString($paabgabe_id)
+			|| !isset($datum) || isEmptyString($datum)
+			|| !isset($datum) || isEmptyString($datum)
+			|| !isset($paabgabetyp_kurzbz) || isEmptyString($paabgabetyp_kurzbz))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+		
+		if($paabgabe_id == -1) {
+			$result = $this->PaabgabeModel->insert(
+				array(
+					'projektarbeit_id' => $projektarbeit_id,
+					'paabgabetyp_kurzbz' => $paabgabetyp_kurzbz,
+					'fixtermin' => $fixtermin,
+					'datum' => $datum,
+					'kurzbz' => $kurzbz,
+					'insertvon' => getAuthUID(),
+					'insertamum' => date('Y-m-d H:i:s')
+				)
+			);
+			
+			$this->terminateWithSuccess($result);
+		} else {
+			$result = $this->PaabgabeModel->update(
+				$paabgabe_id,
+				array(
+					'paabgabetyp_kurzbz' => $paabgabetyp_kurzbz,
+					'datum' => $datum,
+					'kurzbz' => $kurzbz,
+					'updatevon' => getAuthUID(),
+					'updateamum' => date('Y-m-d H:i:s')
+				)
+			);
+
+			$this->terminateWithSuccess($result);
+		}
+	}
+	
+	public function deleteProjektarbeitAbgabe() {
+		$paabgabe_id = $_POST['paabgabe_id'];
+		
+		if (!isset($paabgabe_id) || isEmptyString($paabgabe_id))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+
+		$result = $this->PaabgabeModel->load($paabgabe_id);
+		$result = $this->getDataOrTerminateWithError($result);
+		
+		if(count($result) == 0) 
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+
+		// TODO: berechtigung?
+		if($result[0]->insertvon === getAuthUID()) {
+			$result = $this->PaabgabeModel->delete($paabgabe_id);
+			$result = $this->getDataOrTerminateWithError($result);
+			$this->terminateWithSuccess($result);
+		}
+
+		$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+	}
+
+	/**
+	 * endpoint for adding the same paabgabe for multiple projektarbeiten
+	 * can be slow for large n since it queries twice per projektarbeit_id
+	 */
+	public function postSerientermin() {
+		$projektarbeit_ids = $_POST['projektarbeit_ids'];
+		$datum = $_POST['datum'];
+		$paabgabetyp_kurzbz = $_POST['paabgabetyp_kurzbz'];
+		$bezeichnung = $_POST['bezeichnung'];
+		$kurzbz = $_POST['kurzbz'];
+
+		if (!isset($projektarbeit_ids) || !is_array($projektarbeit_ids) || empty($projektarbeit_ids)
+			|| !isset($datum) || isEmptyString($datum)
+			|| !isset($kurzbz) || isEmptyString($kurzbz)
+			|| !isset($bezeichnung) || isEmptyString($bezeichnung)
+			|| !isset($paabgabetyp_kurzbz) || isEmptyString($paabgabetyp_kurzbz))
+			$this->terminateWithError($this->p->t('global', 'wrongParameters'), 'general');
+		
+		// old script checks if there already are tbl_paabgabe entries with exact date, type & kurzbz
+		// for each termin - good to check that in principle but should not matter in this place. if necessary
+		// duplicate abgabetermine can be easily deleted manually, also via cronjob@night.
+		
+		// since this entry includes the kurzbz string match, it should have only ever mattered when there were
+		// multiple users entering the exact same set of (date, type, kurzbz) - which is a much more narrow case than the
+		// general "saveMultiple" function should handle
+		
+		// old script afterwards again queries if user is not the zweitbetreuer of any id - this is blocked in the ui
+		// and should never unintentionally happen
+		
+		// TODO: check berechtigung &/|| zuordnung?
+		
+		$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+		
+		$res = [];
+		foreach ($projektarbeit_ids as $projektarbeit_id) {
+			
+			$result = $this->PaabgabeModel->insert(
+				array(
+					'projektarbeit_id' => $projektarbeit_id,
+					'paabgabetyp_kurzbz' => $paabgabetyp_kurzbz,
+					'fixtermin' => false,
+					'datum' => $datum,
+					'kurzbz' => $kurzbz,
+					'insertvon' => getAuthUID(),
+					'insertamum' => date('Y-m-d H:i:s')
+				)
+			);
+			
+			$data = $this->getDataOrTerminateWithError($result);
+			
+//			$res[] = $data;
+
+			// send mail to student
+			$result = $this->ProjektarbeitModel->getStudentInfoForProjektarbeitId($projektarbeit_id);
+			$data = $this->getDataOrTerminateWithError($result);
+
+//			$this->addMeta('emaildata'.$projektarbeit_id, $data);
+			
+			$datetime = new DateTime($datum);
+			$dateEmailFormatted = $datetime->format('d.m.Y');
+			
+			$anredeFillString = $data[0]->anrede=="Herr"?"r":"";
+			
+			$fullFormattedNameString = trim($data[0]->titelpre." ".$data[0]->vorname." ".$data[0]->nachname." ".$data[0]->titelpost);
+			$res[] = $fullFormattedNameString;
+			
+			// Prepare mail content
+			$body_fields = array(
+				'anrede' => $data[0]->anrede,
+				'anredeFillString' => $anredeFillString,
+				'datum' => $dateEmailFormatted,
+				'bezeichnung' => $bezeichnung,
+				'fullFormattedNameString' => $fullFormattedNameString,
+				'kurzbz' => $kurzbz
+			);
+
+			$email = $data[0]->uid."@".DOMAIN;
+			
+			sendSanchoMail(
+				'neuerAbgabetermin',
+				$body_fields,
+				$email,
+				$this->p->t('abgabetool', 'neuerTerminBachelorMasterbetreuung')
+			);
+		}
+		
+		$this->terminateWithSuccess($res);
+		
+	}
+	
+	public function fetchDeadlines() {
+		$person_id = $_POST['person_id'];
+		
+		if (!isset($person_id) || isEmptyString($person_id))
+			$person_id = getAuthPersonId();
+		
+		
+		if($person_id !== getAuthPersonId()) {
+			$this->load->library('PermissionLib');
+			$isAdmin = $this->permissionlib->isBerechtigt('admin');
+			if(!$isAdmin) $this->terminateWithError($this->p->t('ui', 'keineBerechtigung'), 'general');
+		}
+
+		$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+		$result = $this->PaabgabeModel->getDeadlines($person_id);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+}
+

application/controllers/api/frontend/v1/Lehrveranstaltung.php

@@ -0,0 +1,277 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lehrveranstaltung extends FHCAPI_Controller
+{
+	private $_ci;
+	private $_uid;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getByEmp' => ['admin:r', 'assistenz:r'],
+			'getByStg' => ['admin:r', 'assistenz:r'],
+			'loadByLV' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
+	}
+
+	public function getByEmp($studiensemester_kurzbz = null, $mitarbeiter_uid = null, $stg_kz = null)
+	{
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
+		$lehrveranstaltungen = $this->_ci->LehreinheitModel->getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $stg_kz);
+		$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+
+		$tree = [];
+
+		foreach ($lehrveranstaltungen_data as $lehrveranstaltung)
+		{
+			$lehreinheiten = $this->_ci->LehreinheitModel->getByLvidStudiensemester($lehrveranstaltung->lehrveranstaltung_id, $studiensemester_kurzbz, $mitarbeiter_uid);
+			$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+			if (!isset($lehrveranstaltung->_children))
+			{
+				$lehrveranstaltung->_children = $lehreinheiten_data;
+			}
+			$tree[] = $lehrveranstaltung;
+		}
+
+		$this->terminateWithSuccess($tree);
+	}
+	public function getByStg($studiensemester_kurzbz = null, $studiengang_kz = null, $semester = null)
+	{
+		if (is_null($studiengang_kz) || !preg_match("/^-?[1-9][0-9]*$/", (string)$studiengang_kz))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$verband = null;
+		if (!is_null($semester) && !is_numeric($semester))
+		{
+			$verband = $semester;
+			$semester = null;
+		}
+
+		$this->_ci->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+		$studienplan_data = $this->_ci->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
+
+		$studienplan_ids = array();
+		$only_ids = array();
+		$placeholders = array();
+
+		if (hasData($studienplan_data))
+		{
+			foreach (getData($studienplan_data) as $studienplan) {
+				$placeholders[] = "(?, ?)";
+				$studienplan_ids[] = $studienplan->studienplan_id;
+				$studienplan_ids[] = $studienplan->semester;
+				$only_ids[] = $studienplan->studienplan_id;
+			}
+		}
+
+		$lehrveranstaltungen_data = $this->_ci->LehrveranstaltungModel->getLvsByStudiengang($studienplan_ids, $placeholders, $only_ids, $studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
+		$lehrveranstaltungen_data = hasData($lehrveranstaltungen_data) ? getData($lehrveranstaltungen_data) : array();
+
+		$tree = [];
+		foreach ($lehrveranstaltungen_data as $row)
+		{
+			$rowData = $row;
+
+			$lehreinheiten_data = $this->_ci->LehreinheitModel->getByLvidStudiensemester($row->lehrveranstaltung_id, $studiensemester_kurzbz);
+
+			if (hasData($lehreinheiten_data))
+			{
+				$lehreinheiten = getData($lehreinheiten_data);
+
+				if (!isset($row->_children))
+				{
+					$row->_children = $lehreinheiten;
+				}
+				else
+				{
+					if (!is_array($row->_children))
+					{
+						$row->_children = [$row->_children];
+					}
+					$row->_children = array_merge($row->_children, $lehreinheiten);
+				}
+			}
+
+			if (!isEmptyString($row->studienplan_lehrveranstaltung_id_parent))
+			{
+				$child = $this->_ci->StudienplanModel->loadStudienplanLehrveranstaltung($row->studienplan_lehrveranstaltung_id_parent);
+
+				if (hasData($child))
+				{
+					$child = getData($child)[0];
+					$searchId = $child->lehrveranstaltung_id;
+
+					foreach ($lehrveranstaltungen_data as &$searchParent)
+					{
+						if ($searchParent->lehrveranstaltung_id === $searchId)
+						{
+							if (!isset($searchParent->_children))
+							{
+								$searchParent->_children = [];
+							}
+
+							if (is_array($searchParent->_children))
+							{
+								$searchParent->_children[] = $row;
+							}
+							else
+							{
+								$searchParent->_children = [$searchParent->_children, $row];
+							}
+							break;
+						}
+					}
+
+				}
+			}
+			else
+			{
+				$tree[] = $rowData;
+			}
+		}
+
+		$counter = 0;
+		$this->assignUniqueIndex($tree, $counter);
+		$this->terminateWithSuccess($tree);
+	}
+
+
+	public function loadByLV($lehrveranstaltung_id = null)
+	{
+		if (is_null($lehrveranstaltung_id) || !ctype_digit((string)$lehrveranstaltung_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->_ci->LehrveranstaltungModel->addSelect('lehrveranstaltung_id, lehrform_kurzbz, lehre, bezeichnung as lvbezeichnung, sprache');
+		$lehrveranstaltung_result = $this->_ci->LehrveranstaltungModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung_id));
+		$lehrveranstaltung_result = $this->getDataOrTerminateWithError($lehrveranstaltung_result);
+		$lehrveranstaltung = $lehrveranstaltung_result[0];
+
+		$this->_ci->LehreinheitModel->addSelect('lehrveranstaltung_id_kompatibel');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung_kompatibel', 'lehrveranstaltung_id');
+		$lehrfaecher = $this->_ci->LehreinheitModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung->lehrveranstaltung_id));
+
+		$lehrfaecher_array = [];
+		if (hasData($lehrfaecher))
+			$lehrfaecher_array = array_merge($lehrfaecher_array, array_column(getData($lehrfaecher), 'lehrveranstaltung_id_kompatibel'));
+
+		$lehrfaecher_array[] = $lehrveranstaltung->lehrveranstaltung_id;
+
+		$this->_ci->LehrveranstaltungModel->addDistinct('lehrfach_id');
+		$this->_ci->LehrveranstaltungModel->addSelect("tbl_lehrveranstaltung.lehrveranstaltung_id, CONCAT(tbl_lehrveranstaltung.bezeichnung || '(' || tbl_lehrveranstaltung.oe_kurzbz || ')') as lehrfach");
+		$this->_ci->LehrveranstaltungModel->db->where_in('tbl_lehrveranstaltung.lehrveranstaltung_id', $lehrfaecher_array);
+		$lehrfaecher_result = $this->_ci->LehrveranstaltungModel->load();
+
+		$lehrfaecher_array = hasData($lehrfaecher_result) ? getData($lehrfaecher_result) : array();
+
+		$lehrveranstaltung->lehrfaecher = $lehrfaecher_array;
+		$this->terminateWithSuccess($lehrveranstaltung);
+	}
+
+	/*
+	 * (david) ggf. im naechsten release
+	 * public function loadByOrganization($oe_kurzbz)
+	{
+		$studiensemester_kurzbz = $this->variablelib->getVar('semester_aktuell');
+
+		$lehrveranstaltungen = $this->LehrveranstaltungModel->getLvsByOrganization($oe_kurzbz);
+		$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+		$tree = [];
+
+		foreach ($lehrveranstaltungen_data as $lehrveranstaltung)
+		{
+			$lehreinheiten = $this->LehreinheitModel->getByLvidStudiensemester($lehrveranstaltung->lehrveranstaltung_id, $studiensemester_kurzbz);
+			$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+			if (!isset($lehrveranstaltung->_children))
+			{
+
+				$lehrveranstaltung->_children = $lehreinheiten_data;
+			}
+			$tree[] = $lehrveranstaltung;
+		}
+		$this->terminateWithSuccess($tree);
+	}*/
+
+	/*public function loadByFachbereich($fachbereich, $mitarbeiter_uid = null)
+	{
+		$studiensemester_kurzbz = $this->variablelib->getVar('semester_aktuell');
+
+		$this->LehreinheitModel->getLvsByFachbereich($fachbereich, $studiensemester_kurzbz, $mitarbeiter_uid);
+	}*/
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+
+	private function assignUniqueIndex(&$nodes, &$counter)
+	{
+		foreach ($nodes as &$node)
+		{
+			$node->uniqueindex = $counter++;
+			if (!empty($node->_children) && is_array($node->_children))
+			{
+				$this->assignUniqueIndex($node->_children, $counter);
+			}
+		}
+	}
+
+	private function getStudiensemesterKurzbz($studiensemester_kurzbz = null)
+	{
+		if (!is_null($studiensemester_kurzbz))
+		{
+			$studiensemester_result = $this->_ci->StudiensemesterModel->load($studiensemester_kurzbz);
+
+			if (isError($studiensemester_result) || !hasData($studiensemester_result))
+				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+			return getData($studiensemester_result)[0]->studiensemester_kurzbz;
+		}
+
+		$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+	}
+}

application/controllers/api/frontend/v1/LvMenu.php

@@ -0,0 +1,544 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+use CI3_Events as Events;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the SearchBarLib (back-end)
+ * Provides data to the ajax get calls about the searchbar component
+ * This controller works with JSON calls on the HTTP GET and the output is always JSON
+ */
+class LvMenu extends FHCAPI_Controller
+{
+    
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getLvMenu' => self::PERM_LOGGED
+		]);
+
+		$this->load->model("ressource/Mitarbeiter_model");
+		$this->load->model("education/Lehreinheit_model");
+		$this->load->model("education/Lehrveranstaltung_model");
+		$this->load->model("organisation/Studiengang_model");
+		$this->load->model("accounting/Vertrag_model");
+		$this->load->model("system/Variable_model");
+		$this->load->model("person/Benutzergruppe_model");
+		$this->load->model("education/Lvangebot_model");
+		$this->load->model("ressource/Lehretools_model");
+
+		$this->load->library("PermissionLib", null, 'PermissionLib');
+
+		$this->load->library("PhrasesLib", null, 'PhrasesLib');
+		$this->loadPhrases(array('global', 'lehre'));
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+
+	/**
+	 * alternative function to get multiple lvMenus with a single http request
+	 */
+	public function getMultipleLvMenu($lvMenuOptionList){
+		$result =[];
+		foreach($lvMenuOptionList as $lvMenuOptions){
+			$lvMenu = $this->getLvMenu($lvMenuOptions['lvid'],$lvMenuOptions['studiensemester_kurzbz']);
+			if(isError($lvMenu)){
+				// TODO: some lvMenu threw an error, handle error here
+			}
+			$result[$lvMenuOptions['lvid']]=$lvMenu;
+		}
+		$this->terminateWithSuccess($result);
+	}
+
+	/**
+	 * 
+	 */
+	public function getLvMenu($lvid, $studiensemester_kurzbz)
+	{
+
+		// return early if parameters are missing
+		if(!isset($lvid) || !isset($studiensemester_kurzbz))
+			$this->terminateWithError('Missing parameters', self::ERROR_TYPE_GENERAL);
+
+		// get the sprache
+		$sprache = getUserLanguage();
+
+		// get the user
+		if (!$user=getAuthUID())
+		    $this->terminateWithError($this->p->t('global', 'nichtAngemeldet'));
+
+		// check if is_lector
+		$is_lector = false;
+		$mares = $this->Mitarbeiter_model->isMitarbeiter($user);
+		if(hasData($mares))
+		{
+		    $is_lector = getData($mares);
+		}
+
+		// definition of user_is_allowed_to_upload
+		$user_is_allowed_to_upload=false;
+		$angezeigtes_stsem = $studiensemester_kurzbz;
+
+		// load lehrveranstaltung
+		$lvres = $this->Lehrveranstaltung_model->load($lvid);
+		if(!hasData($lvres)) 
+		{
+			$this->terminateWithError('LV ' . $lvid . ' not found.');
+		}
+		$lv = (getData($lvres))[0];
+		$this->addMeta('lvInfo',$lv);
+		// define studiengang_kz / semester / lehrverzeichnis
+		$studiengang_kz = $lv->studiengang_kz;
+		$semester = $lv->semester;
+		$short = $lv->lehreverzeichnis;
+		// return empty menu for studiengang_kz = 0
+		if($studiengang_kz == 0){
+			$this->terminateWithSuccess("organisatorische_einheit");
+		}
+
+		// load studiengang
+		$stgres = $this->Studiengang_model->load(strval($studiengang_kz));
+		if(!hasData($stgres))
+		{
+		    $this->terminateWithError('Stg ' . $lv->studiengang_kz . ' not found.');
+		}
+		$stg = (getData($stgres))[0];
+		$kurzbz = strtoupper($stg->typ . $stg->kurzbz);
+
+		$short_name = $lv->bezeichnung;
+		$short_short_name = $lv->lehreverzeichnis;
+
+		// angemeldet
+		$angemeldet = true;
+		if(defined('CIS_LEHRVERANSTALTUNG_WENNANGEMELDET_DETAILS_ANZEIGEN') && CIS_LEHRVERANSTALTUNG_WENNANGEMELDET_DETAILS_ANZEIGEN && !$is_lector)
+		{
+			$angemeldet = false;
+
+			$lesres = $this->Lehreinheit_model->getLehreinheitenForStudentAndStudienSemester(
+			    $lvid, $user, $angezeigtes_stsem
+			);
+
+			if(hasData($lesres) && count(getData($lesres)) > 0)
+				$angemeldet = true;
+		}
+
+		// lehrfach
+		$lehrfach_id='';
+		
+		if(defined('CIS_LEHRVERANSTALTUNG_LEHRFACH_ANZEIGEN') && CIS_LEHRVERANSTALTUNG_LEHRFACH_ANZEIGEN)
+		{
+			// Wenn der eingeloggte User zu einer der Lehreinheiten zugeteilt ist
+			// wird zusätzlich das Lehrfach der Lehreinheit angezeigt.
+			if($is_lector )
+			{
+				$result = $this->Lehreinheit_model->getLehrfachIdMitarbeiter($angezeigtes_stsem,$user,$lvid);
+			}
+			else
+			{
+				$result = $this->Lehreinheit_model->getLehrfachIdStudierender($angezeigtes_stsem,$user,$lvid);
+			}
+
+			// Wenn die LV mehrere verschiedenen Lehrfaecher hat, und der User zu mehreren davon zugeteilt ist
+			// wird das Lehrfach nicht angezeigt damit es nicht zu verwirrungen kommt.
+			if( ($lehrfaecher = getData($result)) && count($lehrfaecher)==1 && ($lehrfach = $lehrfaecher[0]))
+			{
+				$lehrfach_id=$lehrfach->lehrfach_id;
+			}
+		}
+
+		// lektor der lv
+		$lektor_der_lv=false;
+
+		$leinfores = $this->Lehreinheit_model->getLehreinheitInfo($lvid,$angezeigtes_stsem,$lehrfach_id);
+		$db_result = hasData($leinfores) ? getData($leinfores) : array();
+
+		foreach($db_result as $row_lector)
+		{
+
+			// Lektor wird erst angezeigt wenn der Auftrag erteilt wurde
+			if (defined('CIS_LV_LEKTORINNENZUTEILUNG_VERTRAGSPRUEFUNG_VON')
+				&& CIS_LV_LEKTORINNENZUTEILUNG_VERTRAGSPRUEFUNG_VON != '')
+			{
+				if (!$this->Vertrag_model->isVertragErteiltLV($lvid, $angezeigtes_stsem, $row_lector->uid))
+				{
+					continue;
+				}
+			}
+
+
+			if($user == $row_lector->uid)
+			{
+				$lektor_der_lv=true;
+				$user_is_allowed_to_upload=true;
+			}
+
+			// style of the link
+			if($row_lector->lvleiter === true)
+				$style='style="font-weight: bold"';
+			else
+				$style='';
+
+		}
+
+		//Berechtigungen auf Fachbereichsebene
+		$lehrfach_oe_kurzbz_arr = array();
+		$fbres = $this->Lehrveranstaltung_model->getBerechtigungenAufFachberechsebene($lvid, $angezeigtes_stsem);
+		$fbs = (hasData($fbres)) ? getData($fbres) : array();
+		foreach($fbs as $row)
+		{
+			$lehrfach_oe_kurzbz_arr[] = $row->oe_kurzbz;
+			if($this->PermissionLib->isBerechtigt('lehre', null, $row->oe_kurzbz) 
+			    || $this->PermissionLib->isBerechtigt('assistenz', null, $stg->oe_kurzbz))
+			{
+				$user_is_allowed_to_upload=true;
+			}
+		}
+
+		// FH-Core Menu Logic 
+		// ##########################################################################################
+
+		$menu = array();
+
+		$this->fhc_menu_lvinfo($menu, $lvid, $studiengang_kz, $lektor_der_lv, $is_lector, $lehrfach_oe_kurzbz_arr);
+		
+		$this->fhc_menu_feedback($menu, $angemeldet, $lvid);
+		
+		$this->fhc_menu_gesamtnote($menu, $angemeldet, $lvid, $lv, $is_lector, $angezeigtes_stsem);
+		
+		$this->fhc_menu_emailStudierende($menu, $user, $angemeldet, $lvid, $angezeigtes_stsem);
+		
+		$this->fhc_menu_abmeldung($menu, $user, $is_lector, $lvid, $angezeigtes_stsem);
+		
+		$this->fhc_menu_lehretools($menu, $lvid, $angezeigtes_stsem, $sprache);
+		
+		$this->fhc_menu_anrechnungStudent($menu, $lvid, $angezeigtes_stsem);
+		
+		$this->fhc_menu_anrechnungLector($menu, $angezeigtes_stsem);
+		
+
+		// Addons Menu Logic
+		// ##########################################################################################		
+
+		$params = [
+			'sprache'=>$sprache,
+			//'p'=>$p,
+			'ci_p'=> $this->p,
+			//'db'=>$db,
+			'user'=>$user,
+			'is_lector'=>$is_lector,
+			'user_is_allowed_to_upload'=>$user_is_allowed_to_upload,
+			//'rechte'=>$rechte,
+			'angezeigtes_stsem'=>$angezeigtes_stsem,
+			//'lehreinheit'=>$lehreinheit,
+			'lv_obj'=>$lv,
+			'lv'=>$lv,
+			'lvid'=>$lvid,
+			'studiengang_kz'=>$studiengang_kz,
+			'semester'=>$semester,
+			'short'=>$short,
+			'stg_obj'=>$stg,
+			'kurzbz'=>$kurzbz,
+			'short_name'=>$short_name,
+			'short_short_name'=>$short_short_name,
+			//'dir_name'=>$dir_name,
+			'angemeldet'=>$angemeldet,
+			'lehrfach_id'=>$lehrfach_id,
+			'lektor_der_lv'=>$lektor_der_lv,
+			'lehrfach_oe_kurzbz_arr'=>$lehrfach_oe_kurzbz_arr,
+			'permissionLib' => &$this->PermissionLib,
+			'phrasesLib' => &$this->PhrasesLib
+		];
+		
+		Events::trigger('lvMenuBuild', 
+						// passing $menu per reference
+						function & () use (&$menu) {
+							return $menu;
+						},
+						$params
+		);
+
+		// Menu sortieren
+		// ##########################################################################################
+		
+		foreach ($menu as $key => $row){
+
+			// removes menu points that are not needed in the c4 lvUebersicht
+			if( !array_key_exists('c4_link',$row) || !array_key_exists('c4_icon',$row)){
+				unset($menu[$key]);
+				continue;
+			}
+			
+			// fills pos array to sort the menu 
+			$pos[$key] = $row['position'];
+
+		}
+
+		array_multisort($pos, SORT_ASC, SORT_NUMERIC, $menu);
+
+		// HTTP response
+		// ##########################################################################################
+		
+		$this->terminateWithSuccess($menu);
+
+	}
+
+	private function fhc_menu_lvinfo(&$menu, $lvid, $studiengang_kz, $lektor_der_lv, $is_lector, $lehrfach_oe_kurzbz_arr){
+		
+		// LVINFO
+		if(!defined('CIS_LEHRVERANSTALTUNG_LVINFO_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_LVINFO_ANZEIGEN)
+		{
+			$c4_linkList=array();
+			
+			// Bearbeiten Button anzeigen wenn Lektor der LV und bearbeiten fuer Lektoren aktiviert ist
+			// Oder Berechtigung zum Bearbeiten eingetragen ist
+			if((!defined('CIS_LEHRVERANSTALTUNG_LVINFO_LEKTOR_EDIT') && $lektor_der_lv)
+			|| (defined('CIS_LEHRVERANSTALTUNG_LVINFO_LEKTOR_EDIT') && CIS_LEHRVERANSTALTUNG_LVINFO_LEKTOR_EDIT==true && $lektor_der_lv)
+			|| $this->PermissionLib->isBerechtigt('lehre/lvinfo',$studiengang_kz)
+			|| $this->PermissionLib->isBerechtigtMultipleOe('lehre/lvinfo', $lehrfach_oe_kurzbz_arr)
+			)
+			{
+				$c4_linkList[]= [$this->p->t('lehre', 'lvInfoBearbeiten'), 'ects/index.php?lvid='.$lvid];
+			}
+			elseif ($is_lector)
+			{
+				$c4_linkList[]= ["Bearbeiten der LV-Infos derzeit gesperrt",'#'];
+			}
+
+			$menu[]=array
+			(
+				'id'=>'core_menu_lvinfo',
+				'position'=>'10',
+				'name'=>$this->p->t('lehre', 'lehrveranstaltungsinformation'),
+				'phrase' => 'lehre/lehrveranstaltungsinformation',
+				'icon'=>'../../../skin/images/button_lvinfo.png',
+				'link'=>'',
+				'c4_icon'=> base_url('skin/images/button_lvinfo.png'),
+				'c4_link'=>'',
+				'c4_linkList'=>$c4_linkList
+			);
+		}
+	}
+
+	private function fhc_menu_feedback(&$menu, $angemeldet, $lvid){
+		//FEEDBACK
+		if((!defined('CIS_LEHRVERANSTALTUNG_FEEDBACK_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_FEEDBACK_ANZEIGEN) && $angemeldet)
+		{
+			$menu[]=array
+			(
+				'id'=>'core_menu_feedback',
+				'position'=>'60',
+				'name'=>$this->p->t('lehre', 'feedback'),
+				'phrase' => 'lehre/feedback',
+				'c4_icon'=> base_url('skin/images/button_feedback.png'),
+				'c4_link'=> base_url('feedback.php?lvid='.$lvid),
+			);
+		}
+	}
+
+	private function fhc_menu_gesamtnote(&$menu, $angemeldet, $lvid, $lv_obj, $is_lector, $angezeigtes_stsem){
+		//Gesamtnote
+		if($is_lector && ((!defined('CIS_LEHRVERANSTALTUNG_GESAMTNOTE_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_GESAMTNOTE_ANZEIGEN) && $angemeldet))
+		{
+			if($lv_obj->benotung)
+			{
+				$menu[]=array
+				(
+					'id'=>'core_menu_gesamtnote',
+					'position'=>'80',
+					'name'=>$this->p->t('lehre', 'gesamtnote'),
+					'phrase' => 'lehre/gesamtnote',
+					'c4_icon'=> base_url('skin/images/button_endnote.png'),
+					'c4_link'=> base_url('cis/private/lehre/benotungstool/lvgesamtnoteverwalten.php?lvid='.urlencode($lvid).'&stsem='.urlencode($angezeigtes_stsem))
+					//'c4_link'=> base_url('benotungstool/lvgesamtnoteverwalten.php?lvid='.urlencode($lvid).'&stsem='.urlencode($angezeigtes_stsem))
+				);
+			}
+			else
+			{
+				$menu[]=array
+				(
+					'id'=>'core_menu_gesamtnote',
+					'position'=>'80',
+					'name'=>$this->p->t('lehre', 'gesamtnote'),
+					'phrase'=>'lehre/gesamtnote',
+					'c4_icon'=>base_url('skin/images/button_endnote.png'),
+					'c4_link'=>'#',
+					'c4_linkList'=>[[$this->p->t('lehre', 'noteneingabedeaktiviert'),'#']],
+				);
+			}
+		}
+	}
+
+	
+
+	private function fhc_menu_emailStudierende(&$menu, $user, $angemeldet, $lvid, $angezeigtes_stsem){
+		// Email an Studierende
+		if((!defined('CIS_LEHRVERANSTALTUNG_MAILSTUDIERENDE_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_MAILSTUDIERENDE_ANZEIGEN) && $angemeldet)
+		{
+			$mailto='mailto:';
+			$c4_linkList=array();
+			
+			$studentMailsRes = $this->Lehrveranstaltung_model->getStudentEMail($lvid, $angezeigtes_stsem);
+			
+			// get the data of the database result and map the array of objects to their object property
+			$studentMails = $this->getDataOrTerminateWithError($studentMailsRes, 'No student mails found');
+			
+
+			$nomail='';
+			$variablesres = $this->Variable_model->getVariables($user);
+			$variables = (hasData($variablesres)) ? getData($variablesres) : array();
+
+			foreach ($studentMails as $row)
+			{
+				if($row->gruppe_kurzbz != '')
+				{
+					$bngrp_uids = $this->Benutzergruppe_model->getUids($row->gruppe_kurzbz, $angezeigtes_stsem);
+					if(count($bngrp_uids) > 0)
+					{
+						if(!$row->mailgrp)
+						{
+							$nomail = $row->gruppe_kurzbz . ' ';
+						}
+						else
+						{
+							$mailto .= mb_strtolower($row->gruppe_kurzbz . '@' 
+								. DOMAIN . $variables['emailadressentrennzeichen']);
+						}
+					}
+				}
+				else
+				{
+					$mailto .= mb_strtolower($row->stg_typ . $row->stg_kurzbz 
+						. $row->semester . trim($row->verband) . trim($row->gruppe) 
+						. '@' . DOMAIN . $variables['emailadressentrennzeichen']);
+				}
+			}
+
+			if($nomail != '') 
+			{
+				$c4_linkList[] = array(
+					$this->p->t('lehre', 'keinMailverteiler', array('nomail' => $nomail)), 
+					'#'
+				);
+				$link_onclick = 'alert(\''.$this->p->t('lehre', 'keinMailverteiler', array('nomail' => $nomail)) . '\');';
+			}
+			else
+			{
+				$link_onclick = '';
+			}
+			
+			
+			$menu[]=array
+			(
+				'id'=>'core_menu_mailanstudierende',
+				'position'=>'100',
+				'name'=>$this->p->t('lehre', 'mail'),
+				'phrase' => 'lehre/mail',
+				'c4_icon'=>base_url('skin/images/button_feedback.png'),
+				'c4_icon2' => 'fa-regular fa-envelope',
+				'c4_link'=>$mailto,
+				'c4_linkList'=>$c4_linkList,
+				'link_onclick'=>$link_onclick
+			);
+		} 
+	}
+
+	
+
+	private function fhc_menu_abmeldung(&$menu, $user, $is_lector, $lvid, $angezeigtes_stsem){
+		if(!defined('CIS_LEHRVERANSTALTUNG_ABMELDUNG_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_ABMELDUNG_ANZEIGEN)
+		{
+			if(!$is_lector)
+			{
+				$gruppen = $this->Lvangebot_model->AbmeldungMoeglich($lvid, $angezeigtes_stsem, $user);
+				if(count($gruppen) > 0)
+				{
+					$menu[]=array
+					(
+						'id'=>'core_menu_abmeldung',
+						'position'=>'120',
+						'name'=>$this->p->t('lehre', 'abmelden'),
+						'phrase'=>'lehre/abmelden',
+						'c4_icon'=>base_url('skin/images/button_studiupload.png'),
+						'c4_link'=>base_url('abmeldung.php?lvid='.urlencode($lvid).'&stsem='.urlencode($angezeigtes_stsem)),
+					);
+
+				}
+			}
+		}
+	}
+
+	private function fhc_menu_lehretools(&$menu, $lvid, $angezeigtes_stsem, $sprache){
+		//Anzeigen von zusaetzlichen Lehre-Tools
+		$lehretools = $this->Lehretools_model->getTools($lvid, $angezeigtes_stsem, $sprache);
+		foreach($lehretools as $row)
+		{
+			$menu[] = array(
+				'id' => 'core_menu_lehretools_' . $row->lehre_tools_id,
+				'position' => '1000',
+				'name' => $row->bezeichnung,
+				'c4_icon' => base_url('cms/dms.php?id='.$row->logo_dms_id),
+				'c4_link' => $row->basis_url,
+			);
+		}
+	}
+
+    private function fhc_menu_anrechnungStudent(&$menu, $lvid, $angezeigtes_stsem){
+		// Anerkennung nachgewiesener Kenntnisse (Anrechnung) - Anzeige fuer Studenten
+		if((!defined('CIS_LEHRVERANSTALTUNG_ANRECHNUNG_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_ANRECHNUNG_ANZEIGEN)
+			&& $this->PermissionLib->isBerechtigt('student/anrechnung_beantragen'))
+		{
+			$menu[]=array
+			(
+				'id' => 'core_menu_anerkennungNachgewiesenerKenntnisse',
+				'position' => '128',
+				'name' => $this->p->t('lehre', 'anrechnung'),
+				'phrase' => 'lehre/anrechnung',
+				'c4_icon' => base_url('skin/images/button_listen.png'),
+				'c4_icon2' => 'fa-regular fa-folder-open',
+				'c4_link' => base_url('cis.php/lehre/anrechnung/RequestAnrechnung?studiensemester='.urlencode($angezeigtes_stsem).'&lv_id='.urlencode($lvid))
+			);
+		}
+    }
+
+    private function fhc_menu_anrechnungLector(&$menu, $angezeigtes_stsem){
+		// Anerkennung nachgewiesener Kenntnisse (Anrechnung) - Anzeige fuer LektorInnen
+		if((!defined('CIS_LEHRVERANSTALTUNG_ANRECHNUNG_ANZEIGEN') || CIS_LEHRVERANSTALTUNG_ANRECHNUNG_ANZEIGEN)
+			&& $this->PermissionLib->isBerechtigt('lehre/anrechnung_empfehlen'))
+		{
+			$menu[]=array
+			(
+				'id' => 'core_menu_anerkennungNachgewiesenerKenntnisse_empfehlen',
+				'position' => '128',
+				'name' => $this->p->t('lehre', 'anrechnungen'),
+				'phrase' => 'lehre/anrechnung',
+				'c4_icon'=> base_url('skin/images/button_listen.png'),
+				'c4_icon2' => 'fa-regular fa-folder-open',
+				'c4_link' => base_url('cis.php/lehre/anrechnung/ReviewAnrechnungUebersicht?studiensemester='.urlencode($angezeigtes_stsem))
+			);
+		}
+    }
+}

application/controllers/api/frontend/v1/LvPlan.php

@@ -0,0 +1,363 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+use \DateTime as DateTime;
+use \DateTimeZone as DateTimeZone;
+
+class LvPlan extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+
+		parent::__construct([
+			'getRoomplan' => self::PERM_LOGGED,
+            'Stunden' => self::PERM_LOGGED,
+            'getReservierungen' => self::PERM_LOGGED,
+			'LvPlanEvents' => self::PERM_LOGGED,
+			'eventsPersonal' => self::PERM_LOGGED,
+			'eventsLv' => self::PERM_LOGGED,
+			'getLehreinheitStudiensemester' => self::PERM_LOGGED,
+			'studiensemesterDateInterval' => self::PERM_LOGGED,
+			'getLvPlanForStudiensemester' => self::PERM_LOGGED,
+			'getLv' => self::PERM_LOGGED
+		]);
+
+        $this->load->library('LogLib');
+        $this->loglib->setConfigs(array(
+			'classIndex' => 5,
+			'functionIndex' => 5,
+			'lineIndex' => 4,
+			'dbLogType' => 'API', // required
+			'dbExecuteUser' => 'RESTful API'
+		));
+
+        $this->load->library('form_validation');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+     * fetches LvPlan and Moodle events together
+     * @access public
+     *
+     */
+	public function LvPlanEvents()
+	{
+		$hasLv = $this->input->post('lv_id');
+
+		return $hasLv ? $this->eventsLv() : $this->eventsPersonal();
+	}
+
+	/**
+	 * fetches LvPlan, Moodle and Ferien events together for the logged in user
+	 *
+	 * @access public
+	 */
+	public function eventsPersonal()
+	{
+		$this->load->library('StundenplanLib');
+
+		// form validation
+		$this->form_validation->set_rules('start_date', "start_date", "required");
+		$this->form_validation->set_rules('end_date', "end_date", "required");
+		
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// storing the post parameter in local variables
+		$start_date = $this->input->post('start_date', true);
+		$end_date = $this->input->post('end_date', true);
+
+		// fetching lvplan events
+		$result = $this->stundenplanlib->getEventsUser($start_date, $end_date);
+		$lvplanEvents = $this->getDataOrTerminateWithError($result);
+
+		// fetching moodle events
+		$moodleEvents = $this->fetchMoodleEvents($start_date, $end_date);
+
+		// fetching ferien events
+		$ferienEvents = $this->fetchFerienEvents($start_date, $end_date);
+		
+
+		$this->terminateWithSuccess(array_merge(
+			$lvplanEvents,
+			$moodleEvents,
+			$ferienEvents
+		));
+	}
+
+	/**
+	 * fetches LvPlan and Ferien events together for the lv
+	 *
+	 * @access public
+	 */
+	public function eventsLv()
+	{
+		$this->load->library('StundenplanLib');
+
+		// form validation
+		$this->form_validation->set_rules('start_date', "start_date", "required");
+		$this->form_validation->set_rules('end_date', "end_date", "required");
+		$this->form_validation->set_rules('lv_id', "lv_id", "required|integer");
+		
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// storing the post parameter in local variables
+		$start_date = $this->input->post('start_date', true);
+		$end_date = $this->input->post('end_date', true);
+		$lv_id = $this->input->post('lv_id', true);
+
+		// fetching lvplan events
+		$result = $this->stundenplanlib->getEventsLv($lv_id, $start_date, $end_date);
+		$lvplanEvents = $this->getDataOrTerminateWithError($result);
+
+		// fetching ferien events
+		$ferienEvents = $this->fetchFerienEvents($start_date, $end_date);
+		
+
+		$this->terminateWithSuccess(array_merge(
+			$lvplanEvents,
+			$ferienEvents
+		));
+	}
+
+	//TODO: delete this function if we don't use the old calendar export endpoints anymore
+	public function studiensemesterDateInterval($date){
+		$this->load->model('organisation/Studiensemester_model','StudiensemesterModel');
+		$studiensemester =$this->StudiensemesterModel->getByDate(date_format(date_create($date),'Y-m-d'));
+		$studiensemester =current($this->getDataOrTerminateWithError($studiensemester));
+		$this->terminateWithSuccess($studiensemester);
+	}
+
+	public function getLvPlanForStudiensemester($studiensemester,$lvid){
+		$this->load->library('StundenplanLib');
+		$this->load->model('organisation/Studiensemester_model','StudiensemesterModel');
+		
+		$studiensemester_result = $this->StudiensemesterModel->loadWhere(["studiensemester_kurzbz"=>$studiensemester]);
+		$studiensemester_result = current($this->getDataOrTerminateWithError($studiensemester_result));
+		$timespan_start = new DateTime($studiensemester_result->start);
+		$timespan_ende = new DateTime($studiensemester_result->ende);
+		$lvplan = $this->stundenplanlib->getStundenplan(date_format($timespan_start, 'Y-m-d'),date_format($timespan_ende, 'Y-m-d'), $lvid);
+		$this->terminateWithSuccess($lvplan);
+		
+	}
+		
+
+    /**
+     * fetches Stunden layout from database
+     * @access public
+     *
+     */
+    public function Stunden()
+	{
+		$this->load->model('ressource/Stunde_model', 'StundeModel');
+
+		$this->StundeModel->addOrder('stunde', 'ASC');
+		$stunden = $this->StundeModel->load();
+
+        $stunden = $this->getDataOrTerminateWithError($stunden);
+
+		$this->terminateWithSuccess($stunden);
+	}
+
+	/**
+	 * fetches room events from a certain date
+	 * @access public
+	 *
+	 * @return void
+	 */
+	public function getRoomplan()
+	{
+		$this->form_validation->set_rules('ort_kurzbz', "Ort", "required");
+		$this->form_validation->set_rules('start_date', "start_date", "required");
+		$this->form_validation->set_rules('end_date', "end_date", "required");
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// storing the post parameter in local variables
+		$ort_kurzbz = $this->input->post('ort_kurzbz', true);
+		$start_date = $this->input->post('start_date', true);
+		$end_date = $this->input->post('end_date', true);
+
+		// get data
+		$this->load->library('StundenplanLib');
+
+		$roomplan_data = $this->stundenplanlib->getRoomplan($ort_kurzbz, $start_date, $end_date);
+
+		$roomplan_data = $this->getDataOrTerminateWithError($roomplan_data);
+		
+		$this->terminateWithSuccess($roomplan_data);
+	}
+	
+	/**
+	 * gets the reservierungen of a room if the ort_kurzbz parameter is
+	 * supplied otherwise gets the reservierungen of the lvplan of a student
+	 * @access public
+	 *
+	 * @param string	$ort_kurzbz
+	 * @return void
+	 */
+	public function getReservierungen($ort_kurzbz = null)
+	{
+		$this->form_validation->set_rules('start_date', "StartDate", "required");
+		$this->form_validation->set_rules('end_date', "EndDate", "required");
+		
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// storing the post parameter in local variables
+		$start_date = $this->input->post('start_date', true);
+		$end_date = $this->input->post('end_date', true);
+
+		// get data
+		$this->load->library('StundenplanLib');
+
+		$result = $this->stundenplanlib->getReservierungen($start_date, $end_date, $ort_kurzbz);
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getLehreinheitStudiensemester($lehreinheit_id){
+		$this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->LehreinheitModel->addSelect(["studiensemester_kurzbz"]);
+		$result = $this->LehreinheitModel->load($lehreinheit_id);
+		$result = current($this->getDataOrTerminateWithError($result))->studiensemester_kurzbz;
+		$this->terminateWithSuccess($result);
+	}
+
+	/**
+	 * get details for a lv
+	 * @access public
+	 *
+	 * @param integer		$lehrveranstaltung_id
+	 * @return void
+	 */
+	public function getLv($lehrveranstaltung_id)
+	{
+		if (!$lehrveranstaltung_id && $lehrveranstaltung_id !== 0 && $lehrveranstaltung_id !== '0')
+			return show_404();
+
+		// Load Phrases
+		$this->loadPhrases(['lehre']);
+
+		// Validation
+		$this->form_validation->set_data([
+			'lehrveranstaltung_id' => $lehrveranstaltung_id
+		]);
+
+		$this->form_validation->set_rules('lehrveranstaltung_id', $this->p->t('lehre', 'lehrveranstaltung_id'), 'integer');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// Get Data
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$result = $this->LehrveranstaltungModel->load($lehrveranstaltung_id);
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		return $this->terminateWithSuccess(current($result));
+	}
+
+	/**
+	 * fetch moodle events
+	 *
+	 * @param string		$start_date
+	 * @param string		$end_date
+	 * @return array
+	 */
+	private function fetchMoodleEvents($start_date, $end_date)
+	{
+		$this->load->config('calendar');
+
+		$tz = new DateTimeZone($this->config->item('timezone'));
+		
+		$start = new DateTime($start_date);
+		$start->setTimezone($tz);
+		
+		$end = new DateTime($end_date);
+		$end->setTimezone($tz);
+		$end->modify('+1 day -1 second');
+		
+		$moodle_events = [];
+		
+		Events::trigger(
+			'moodleCalendarEvents',
+			function & () use (&$moodle_events) {
+				return $moodle_events;
+			},
+			[
+				'start_date' => $start->format('c'),
+				'end_date' => $end->format('c'),
+				'username' => getAuthUID()
+			]
+		);
+
+		return $moodle_events;
+	}
+
+	/**
+	 * fetch ferien events
+	 *
+	 * @param string		$start_date
+	 * @param string		$end_date
+	 * @return array
+	 */
+	private function fetchFerienEvents($start_date, $end_date)
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('education/Studentlehrverband_model', 'StudentLehrverbandModel');
+
+		$currentStudiensemester = $this->StudiensemesterModel->getByDate($start_date);
+		$currentStudiensemester = $this->getDataOrTerminateWithError($currentStudiensemester);
+		
+		if ($currentStudiensemester) {
+			$studentsemester_kurzbz = current($currentStudiensemester)->studiensemester_kurzbz;
+
+			$studiengang = $this->StudentLehrverbandModel->loadWhere([
+				"student_uid" => getAuthUID(),
+				"studiensemester_kurzbz" => $studentsemester_kurzbz
+			]);
+			$studiengang = $this->getDataOrTerminateWithError($studiengang);
+			
+			if ($studiengang)
+				$studiengang_kz = current($studiengang)->studiengang_kz;
+			else
+				$studiengang_kz = 0;
+		} else {
+			$studiengang_kz = 0;
+		}
+
+		$ferienEvents = $this->stundenplanlib->fetchFerienTageEvents($start_date, $end_date, $studiengang_kz);
+		
+		return $this->getDataOrTerminateWithError($ferienEvents);
+	}
+}

application/controllers/api/frontend/v1/Ort.php

@@ -0,0 +1,178 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the SearchBarLib (back-end)
+ * Provides data to the ajax get calls about the searchbar component
+ * This controller works with JSON calls on the HTTP GET and the output is always JSON
+ */
+class Ort extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		// NOTE(chris): additional permission checks will be done in SearchBarLib
+		parent::__construct([
+			'ContentID' => self::PERM_LOGGED,
+			'getOrtKurzbzContent' => self::PERM_LOGGED,
+			'getRooms' => self::PERM_LOGGED,
+			'getTypes' => self::PERM_LOGGED
+		]);
+
+		$this->load->model('ressource/Ort_model', 'OrtModel');
+		$this->config->load('raumsuche');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Retrieves all Ort entries filtered by the provided parameters
+	 */
+	public function getRooms()
+	{
+		$this->load->library('form_validation');
+		$this->form_validation->set_data($_GET);
+		$this->form_validation->set_rules('datum','Datum','required');
+		$this->form_validation->set_rules('von','Uhrzeit Von','required|regex_match[/^[0-9]{2}:[0-9]{2}$/]');
+		$this->form_validation->set_rules('bis','Uhrzeit Bis','required|regex_match[/^[0-9]{2}:[0-9]{2}$/]');
+		if($this->form_validation->run() == FALSE) {
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+		
+		$datum = $this->input->get('datum', TRUE);
+		$von = $this->input->get('von', TRUE);
+		$bis = $this->input->get('bis', TRUE);
+		$typ = $this->input->get('typ', TRUE);
+		$personenanzahl = $this->input->get('personenanzahl', TRUE);
+		
+		
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter(getAuthUID())->retval;
+		
+		$this->load->model('ressource/Stunde_model', 'StundeModel');
+		$vonStunde = getData($this->StundeModel->getStundeForTime($von))[0]->stunde;
+		$bisStunde = getData($this->StundeModel->getStundeForTime($bis))[0]->stunde;
+		
+		$params = array();
+		$qry = "SELECT DISTINCT tbl_ort.*
+			FROM public.tbl_ort JOIN public.tbl_ortraumtyp USING(ort_kurzbz)
+			WHERE aktiv AND lehre AND ort_kurzbz NOT LIKE '\\\\_%'";
+		if($typ) {
+			$params[] = $typ;
+			$qry.= "AND raumtyp_kurzbz = ?";
+		}
+		
+		if(!$isMitarbeiter) { // students are only allowed to get a subset defined by config
+			$qry.= ' AND raumtyp_kurzbz IN ?';
+			$params[] = $this->config->item('roomtypes_student');
+			$this->addMeta('config', $this->config->item('roomtypes_student'));
+		}
+		
+		$qry.= "AND (max_person>= ? OR max_person is null)";
+		$params[] = $personenanzahl;
+
+		$qry.="	AND ort_kurzbz NOT IN 
+			(
+				SELECT ort_kurzbz FROM lehre.tbl_stundenplandev WHERE datum = ? AND stunde >= ? AND stunde <= ? 
+				UNION 
+				SELECT ort_kurzbz FROM campus.tbl_reservierung WHERE datum= ? AND stunde >= ? AND stunde <= ?
+			)
+		";
+		$params = array_merge($params, [$datum, $vonStunde, $bisStunde, $datum, $vonStunde, $bisStunde]);
+//		$this->addMeta('qry', $qry);
+//		$this->addMeta('params', $params);
+		$result = $this->OrtModel->execReadOnlyQuery($qry, $params);
+		
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getTypes()
+	{
+		$this->load->model('ressource/Raumtyp_model', 'RaumtypModel');
+		$qry = "SELECT * FROM public.tbl_raumtyp WHERE aktiv = true";
+		$params = array();
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		
+		$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter(getAuthUID())->retval;
+		if(!$isMitarbeiter) { // students are only allowed to get a subset defined by config
+			$qry.= ' AND raumtyp_kurzbz IN ?';
+			$params[] = $this->config->item('roomtypes_student');
+		}
+                                 
+        $qry .= " ORDER BY raumtyp_kurzbz;";
+		
+		$result = $this->OrtModel->execReadOnlyQuery($qry, $params);
+
+		$this->terminateWithSuccess(getData($result));
+	}
+	
+	/**
+	 * Gets a JSON body via HTTP POST and provides the parameters
+	 */
+	public function ContentID()
+	{
+		// if error
+		//$this->terminateWithError(SearchBarLib::ERROR_WRONG_JSON, self::ERROR_TYPE_GENERAL);
+		
+		$ort_kurzbz = $this->input->get('ort_kurzbz',TRUE);
+		
+		if(!$ort_kurzbz){
+			$this->terminateWithError("missing ort_kurzbz parameter", self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->OrtModel->getContentID($ort_kurzbz);
+		
+		if(isError($result)){
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = hasData($result) ? current(getData($result)) : null;
+		
+		$this->terminateWithSuccess($result->content_id ?? NULL);
+	}
+
+	/**
+	 * @param int		$version
+	 * @param string	$sprache
+	 * @param boolean	$sichtbar
+	 *
+	 * @return $content
+	 */
+	public function getOrtKurzbzContent($version = null, $sprache = null, $sichtbar = true)
+	{
+		$content_id = $this->input->get("content_id",TRUE);
+
+		$this->load->library('CmsLib');
+
+		$content = $this->cmslib->getContent($content_id, $version, $sprache, $sichtbar);
+
+		if (isError($content))
+			$this->terminateWithError(getError($content), self::ERROR_TYPE_GENERAL);
+
+		$content = hasData($content) ? getData($content) : null;
+
+		$this->terminateWithSuccess($content);
+	}
+}
+

application/controllers/api/frontend/v1/Phrasen.php

@@ -28,8 +28,13 @@ class Phrasen extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'loadModule' => self::PERM_ANONYMOUS
+			'loadModule' => self::PERM_ANONYMOUS,
+			'setLanguage' => self::PERM_ANONYMOUS,
+			'getLanguage' => self::PERM_ANONYMOUS,
+			'getAllLanguages' => self::PERM_ANONYMOUS,
 		]);
+
+		$this->load->helper('hlp_language');
 	}
 	
 	//------------------------------------------------------------------------------------------------------------------
@@ -43,4 +48,48 @@ class Phrasen extends FHCAPI_Controller
 		$this->load->library('PhrasesLib', [$module], 'pj');
 		$this->terminateWithSuccess(json_decode($this->pj->getJSON()));
 	}
-}
+
+	public function setLanguage()
+	{
+		$postParams = $this->getPostJSON();
+		$language = $postParams->language;
+		$categories = $postParams->categories;
+
+		setUserLanguage($language);
+
+		$this->load->library('PhrasesLib', array($categories, $language), 'p');
+
+		$phrases = $this->p->setPhrases($categories, $language);
+		$this->terminateWithSuccess($phrases);
+	}
+
+	// gets the langauge of the currently logged in user session and otherwhise the system language
+	public function getLanguage()
+	{
+		$lang = getUserLanguage();
+		$this->terminateWithSuccess($lang);
+	}
+
+	// gets all languages that are set as active in the database
+	public function getAllLanguages()
+	{
+		$this->load->model('system/Sprache_model', 'SprachenModel');
+
+		// Add order clause by index and select the sprache,bezeichnung and index column
+		$this->SprachenModel->addOrder('index');
+		$this->SprachenModel->addSelect('sprache, bezeichnung, index');
+
+		// Retrieves from public.tbl_sprache
+		$langs = $this->SprachenModel->loadWhere(array('content' => true));
+		$langs = $this->getDataOrTerminateWithError($langs);
+		$langs = array_map(function($lang){
+			$data = new stdClass();
+			$data->sprache = $lang->sprache;
+			$data->bezeichnung = $lang->bezeichnung[($lang->index-1)]; 
+			return $data;
+		}, $langs);
+
+		$this->terminateWithSuccess($langs);
+	}
+
+}

application/controllers/api/frontend/v1/Profil.php

@@ -0,0 +1,172 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Profil extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+            'fotoSperre' => self::PERM_LOGGED,
+			'getGemeinden' => self::PERM_LOGGED,
+			'getAllNationen' => self::PERM_LOGGED,
+			'isMitarbeiter' => self::PERM_LOGGED,
+			'profilViewData' => self::PERM_LOGGED,
+		]);
+		
+		$this->load->library('PermissionLib');
+
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+
+
+		//? put the uid and pid inside the controller for reusability
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+	public function profilViewData($uid=null){
+		$this->load->library('ProfilLib');
+		$editable = false;
+		if(isset($uid) && $uid != null){
+			$profil_data = $this->profillib->getView($uid);
+			if($uid == getAuthUID()){
+				$editable = true;
+			}
+		}else{
+			$editable = true;
+			$profil_data = $this->profillib->getView(getAuthUID());
+		}
+		
+		$profil_data = hasData($profil_data) ? getData($profil_data) : null;
+		$viewData = array(
+			'editable'=>$editable,
+			'profil_data' => $profil_data,
+		);
+		$this->terminateWithSuccess($viewData);
+	}
+
+    /**
+	 * update column foto_sperre in public.tbl_person
+	 * @access public
+	 * @param  boolean $value  new value for the column
+	 * @return boolean the new value added to the column in public.tbl_person
+	 */
+	public function fotoSperre($value)
+	{
+        if(!isset($value)){
+            $this->terminateWithError("Missing parameter", self::ERROR_TYPE_GENERAL);
+        }
+
+		$res = $this->PersonModel->update($this->pid, ["foto_sperre" => $value]);
+		if (isError($res)) {
+			$this->terminateWithError("error while trying to update table public.tbl_person");
+		}
+		$this->PersonModel->addSelect("foto_sperre");
+		$res = $this->PersonModel->load($this->pid);
+		
+        $res = $this->getDataOrTerminateWithError($res);
+		
+        $this->terminateWithSuccess(current($res));
+	}
+
+	/**
+	 * gets all nations in the table bis.tbl_nation
+	 *
+	 * @access public
+	 * @return array all the nations in table bis.tbl_nation
+	 */
+	public function getAllNationen()
+	{
+		// load the nationen from the database
+		$this->load->model('codex/Nation_model', "NationModel");
+		$this->NationModel->addSelect(["nation_code as code", "langtext"]);
+		$nation_res = $this->NationModel->load();
+
+		if (isError($nation_res)) {
+			$this->terminateWithError("error while trying to query table codex.tbl_nation", self::ERROR_TYPE_GENERAL);
+		}
+		
+		$nation_res = $this->getDataOrTerminateWithError($nation_res);
+
+		$this->terminateWithSuccess($nation_res);
+	}
+
+	public function getGemeinden($nation, $zip)
+	{
+		if(!isset($nation) || !isset($zip)){
+			echo json_encode(error("Missing parameters"));
+			return;
+		}
+		
+		$this->load->model('codex/Gemeinde_model', "GemeindeModel");
+		
+
+		$gemeinde_res = $this->GemeindeModel->getGemeindeByPlz($zip);
+		
+		if (isError($gemeinde_res)) {
+			$this->terminateWithError(getError($gemeinde_res),self::ERROR_TYPE_GENERAL);
+		}
+		$gemeinde_res = $this->getDataOrTerminateWithError($gemeinde_res);
+		
+		/* $gemeinde_res = array_map(function ($obj) {
+			return $obj->ortschaftsname;
+		}, $gemeinde_res); */
+
+		$this->terminateWithSuccess($gemeinde_res);	
+		
+	}
+
+    
+	/**
+	 * checks whether a specific userID is a mitarbeiter or not (foreword declaration of the function isMitarbeiter in Mitarbeiter_model.php)
+	 * @access public
+	 * @param  $uid the userID used to check if it is a mitarbeiter
+	 * @return boolean 
+	 */
+	public function isMitarbeiter($uid)
+	{
+
+		if(!$uid) $this->terminateWithError("No uid provided", self::ERROR_TYPE_GENERAL);
+		
+		
+		$result = $this->MitarbeiterModel->isMitarbeiter($uid);
+		
+		if (isError($result)) {
+			$this->terminateWithError("error when calling Mitarbeiter_model function isMitarbeiter with uid " . $uid, self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($result);
+	}
+
+	// -----------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	
+}
+

application/controllers/api/frontend/v1/ProfilUpdate.php

@@ -0,0 +1,957 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class ProfilUpdate extends FHCAPI_Controller
+{
+
+    public static $STATUS_PENDING = NULL;
+	public static $STATUS_ACCEPTED = NULL;
+	public static $STATUS_REJECTED = NULL;
+
+	public static $TOPICS = [];
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+            'getStatus' => self::PERM_LOGGED,
+            'getTopic' => self::PERM_LOGGED,
+			'getProfilRequestFiles' => self::PERM_LOGGED,
+			'getProfilUpdateWithPermission' => ['student/stammdaten:r', 'mitarbeiter/stammdaten:r'],
+			'denyProfilRequest' => ['student/stammdaten:rw', 'mitarbeiter/stammdaten:rw'],
+			'acceptProfilRequest' => ['student/stammdaten:rw', 'mitarbeiter/stammdaten:rw'],
+			'selectProfilRequest' => self::PERM_LOGGED,
+			'insertProfilRequest' => self::PERM_LOGGED,
+			'updateProfilRequest' => self::PERM_LOGGED,
+			'deleteProfilRequest' => self::PERM_LOGGED,
+			'insertFile' => self::PERM_LOGGED,
+			'updateProfilbild' => self::PERM_LOGGED,
+			'show' => self::PERM_LOGGED,
+			]);
+
+		$this->load->config('cis');
+
+		// Load language phrases
+		$this->loadPhrases(
+			array(
+				'ui',
+				'global',
+				'person',
+				'profil',
+				'profilUpdate'
+			)
+		);
+
+        $this->load->model('person/Profil_update_model', 'ProfilUpdateModel');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+		$this->load->model('person/Adressentyp_model', 'AdressenTypModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+		$this->load->model('person/Profil_update_status_model', 'ProfilUpdateStatusModel');
+		$this->load->model('person/Profil_update_topic_model', 'ProfilUpdateTopicModel');
+
+		$this->load->library('DmsLib');
+		$this->load->library('PermissionLib');
+
+		//? put the uid and pid inside the controller for reusability
+		$this->uid = getAuthUID();
+		$this->pid = getAuthPersonID();
+
+		// setup the ProfilUpdate states
+		$this->ProfilUpdateStatusModel->addSelect(['status_kurzbz']);
+		$status_kurzbz = $this->ProfilUpdateStatusModel->load();
+		if (hasData($status_kurzbz)) {
+			list($status_pending, $status_accepted, $status_rejected) = getData($status_kurzbz);
+
+			self::$STATUS_PENDING = $status_pending->status_kurzbz;
+			self::$STATUS_ACCEPTED = $status_accepted->status_kurzbz;
+			self::$STATUS_REJECTED = $status_rejected->status_kurzbz;
+		}
+		// setup the ProfilUpdate topics
+		$this->ProfilUpdateTopicModel->addSelect(['topic_kurzbz']);
+		$topic_kurzbz = $this->ProfilUpdateTopicModel->load();
+
+		if (hasData($topic_kurzbz)) {
+			foreach (getData($topic_kurzbz) as $topic) {
+				self::$TOPICS[$topic->topic_kurzbz] = $topic->topic_kurzbz;
+			}
+		}
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+    public function getStatus()
+	{
+		$this->terminateWithSuccess([self::$STATUS_PENDING => self::$STATUS_PENDING, self::$STATUS_ACCEPTED => self::$STATUS_ACCEPTED, self::$STATUS_REJECTED => self::$STATUS_REJECTED]);
+	}
+
+
+    public function getTopic()
+	{
+        if(!count(self::$TOPICS)){
+            $this->terminateWithError('No topics found');
+        }
+		$this->terminateWithSuccess(self::$TOPICS);
+	}
+
+	public function show($dms_id)
+	{
+
+		$profil_update = $this->ProfilUpdateModel->loadWhere(['attachment_id' => $dms_id]);
+		$profil_update = hasData($profil_update) ? getData($profil_update)[0] : null;
+
+		//? checks if an profil update exists with the dms_id requested from the user
+		if ($profil_update) {
+			$is_mitarbeiter_profil_update = getData($this->MitarbeiterModel->isMitarbeiter($profil_update->uid));
+			$is_student_profil_update = getData($this->StudentModel->isStudent($profil_update->uid));
+
+			if (
+				$this->permissionlib->isBerechtigt('student/stammdaten:r') && $is_student_profil_update ||
+				$this->permissionlib->isBerechtigt('mitarbeiter/stammdaten:r') && $is_mitarbeiter_profil_update ||
+				$this->uid == $profil_update->uid
+			) {
+				// Get file to be downloaded from DMS
+				$download = $this->dmslib->download($dms_id);
+				$download = $this->getDataOrTerminateWithError($download);
+				// Download file
+				$this->outputFile($download);
+
+
+			} else {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_permission_error'));
+			}
+
+		} else {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_dms_error'));
+		}
+
+	}
+
+	public function selectProfilRequest()
+	{
+
+		$uid = $this->input->get('uid',true);
+		$id = $this->input->get('id',true);
+		$whereClause = ['uid' => $this->uid];
+		
+		if (isset($uid))
+			$whereClause['uid'] = $uid;
+		if (isset($id))
+			$whereClause['id'] = $id;
+
+		$res = $this->ProfilUpdateModel->getProfilUpdatesWhere($whereClause);
+		$res = $this->getDataOrTerminateWithError($res);
+		$this->terminateWithSuccess($res);
+
+	}
+
+	public function insertProfilRequest()
+	{
+
+		$payload = $this->input->post('payload');
+		$topic = $this->input->post('topic',true);
+		$fileID = $this->input->post('fileID',true);
+
+		if(!isset($payload) || !isset($topic)){
+			$this->terminateWithError("required parameters are missing");
+		}
+
+		$identifier = array_key_exists("kontakt_id", $payload) ? "kontakt_id" : (array_key_exists("adresse_id", $payload) ? "adresse_id" : null);
+		
+		$data = ["topic" => $topic, "uid" => $this->uid, "requested_change" => json_encode($payload), "insertamum" => "NOW()", "insertvon" => $this->uid, "status" => self::$STATUS_PENDING ?: 'Pending'];
+
+		//? insert fileID in the dataset if sent with post request
+		if (isset($fileID)) {
+			$data['attachment_id'] = $fileID;
+		}
+
+		//? loops over all updateRequests from a user to validate if the new request is valid
+		$res = $this->ProfilUpdateModel->getProfilUpdatesWhere(["uid" => $this->uid]);
+		$res = $this->getDataOrTerminateWithError($res);
+
+		//? the user cannot delete a zustelladresse/kontakt
+		if (isset($payload["delete"]) && $payload[$identifier == "kontakt_id" ? "zustellung" : "zustelladresse"]) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_deleteZustellung_error'));
+		}
+
+		//? if the user tries to delete a adresse, checks whether the adresse is a heimatadresse, if so an error is raised
+		if (isset($payload["delete"]) && $identifier == "adresse_id") {
+			$adr = $this->AdresseModel->load($payload[$identifier]);
+			$adr = $this->getDataOrTerminateWithError($adr)[0];
+			if ($adr->heimatadresse) {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_deleteZustellung_error'));
+			}
+		}
+
+		if ($res) {
+			$pending_changes = array_filter($res, function ($element) {
+				return $element->status == (self::$STATUS_PENDING ?: "Pending");
+			});
+			foreach ($pending_changes as $update_request) {
+				$existing_change = $update_request->requested_change;
+				//? the user can add as many new kontakte/adressen as he likes
+				if (!isset($payload["add"]) && property_exists($existing_change, $identifier) && array_key_exists($identifier,$payload) && $existing_change->$identifier == $payload[$identifier]) {
+					//? the kontakt_id / adresse_id of a change has to be unique 
+					$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_changeTwice_error'));
+				}
+
+				//? if it is not updating any kontakt/adresse, the topic has to be unique
+				elseif (!$identifier && $update_request->topic == $topic) {
+					$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_changeTopicTwice_error', ['0' => $update_request->topic]));
+				}
+			}
+		}
+
+		$insertID = $this->ProfilUpdateModel->insert($data);
+
+		if (isError($insertID)) {
+			$this->terminateWithError(getError($insertID));
+		} else {
+			
+			$insertID = hasData($insertID) ? getData($insertID) : null;
+			//? sends emails to the correspondents of the $uid
+			$this->sendEmail_onProfilUpdate_insertion($this->uid, $insertID, $topic);
+			$this->terminateWithSuccess(success($insertID));
+		}
+	}
+
+	public function updateProfilRequest()
+	{
+		$topic = $this->input->post('topic', true);
+		$payload = $this->input->post('payload', true);
+		$ID = $this->input->post('ID', true);
+		$fileID = $this->input->post('fileID', true);//optional
+
+		if(!isset($topic) || !isset($payload) || !isset($ID)){
+			$this->terminateWithError("required parameters are missing");
+		}
+
+		$updateData = ["requested_change" => json_encode($payload), "updateamum" => "NOW()", "updatevon" => $this->uid];
+		if (isset($fileID)) {
+			$updateData['attachment_id'] = json_decode($fileID);
+		}
+		$updateID = $this->ProfilUpdateModel->update([$ID], $updateData);
+		//? insert fileID in the dataset if sent with post request
+
+		if (isError($updateID)) {
+			$this->terminateWithError(getError($updateID));
+		}
+		
+		$updateID = $this->getDataOrTerminateWithError($updateID)[0];
+		
+		$this->terminateWithSuccess(success($updateID));
+	}
+
+	public function deleteProfilRequest()
+	{
+
+		$requestID = $this->input->post('requestID', true);
+		$result = $this->ProfilUpdateModel->delete([$requestID]);
+		if (isError($result)) {
+			$this->terminateWithError(getError($result));
+		}
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getProfilRequestFiles($id)
+	{
+		 if(!$id){
+			$this->terminateWithError("parameter id is missing");
+		 }
+
+		$this->ProfilUpdateModel->addSelect(["attachment_id"]);
+		$attachmentID = $this->ProfilUpdateModel->load([$id]);
+		if (isError($attachmentID)) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_loading_error'),self::ERROR_TYPE_GENERAL);
+		}
+		//? get the attachmentID
+		$dms_id = $this->getDataOrTerminateWithError($attachmentID)[0]->attachment_id;
+
+		//? get the name to the file
+		$this->DmsVersionModel->addSelect(["name", "dms_id"]);
+		$attachment = $this->DmsVersionModel->load([$dms_id, 0]);
+		if (isError($attachment)) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_dmsVersion_error'),self::ERROR_TYPE_GENERAL);
+		}
+		$attachment = $this->getDataOrTerminateWithError($attachment);
+		//? returns {name:..., dms_id:...}
+		$this->terminateWithSuccess($attachment);
+	}
+
+	public function denyProfilRequest()
+	{
+		$id = $this->input->post('profil_update_id', true);
+		$uid = $this->input->post('uid', true);
+		$topic = $this->input->post('topic', true);
+		$status_message = $this->input->post('status_message', true); //optional
+
+		if(!isset($id) || !isset($uid) || !isset($topic)){
+			$this->terminateWithError("parameter id, uid, topic or status_message is missing");
+		}
+
+		$is_mitarbeiter = $this->MitarbeiterModel->isMitarbeiter($uid);
+		$is_mitarbeiter = $this->getDataOrTerminateWithError($is_mitarbeiter);
+		
+		$is_student = $this->StudentModel->isStudent($uid);
+		$is_student = $this->getDataOrTerminateWithError($is_student);
+
+		if (
+			$is_student && $this->permissionlib->isBerechtigt('student/stammdaten', "suid", $this->getOE_from_student($uid)) ||
+			$is_mitarbeiter && $this->permissionlib->isBerechtigt('mitarbeiter/stammdaten', "suid") 
+		) {
+			$this->sendEmail_onProfilUpdate_response($uid, $topic, self::$STATUS_REJECTED);
+			$this->terminateWithSuccess($this->setStatusOnUpdateRequest($id, self::$STATUS_REJECTED, $status_message));
+		} else {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_permission_error'),self::ERROR_TYPE_GENERAL);
+		}
+	}
+
+	public function acceptProfilRequest()
+	{
+		$id = $this->input->post('profil_update_id', true);
+		$uid = $this->input->post('uid', true);
+		$topic = $this->input->post('topic', true);
+		$requested_change = $this->input->post('requested_change');
+		$status_message = $this->input->post('status_message', true); //optional
+
+		//? fetching person_id using UID
+		$personID = $this->PersonModel->getByUid($uid);
+		$personID = $this->getDataOrTerminateWithError($personID)[0]->person_id;
+
+		//! check for required information
+		if (!isset($id) || !isset($uid) || !isset($personID) || !isset($requested_change) || !isset($topic)) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_requiredInformation_error'));
+		}
+
+		$is_mitarbeiter = $this->MitarbeiterModel->isMitarbeiter($uid);
+		$is_mitarbeiter = $this->getDataOrTerminateWithError($is_mitarbeiter);
+
+		$is_student = $this->StudentModel->isStudent($uid);
+		$is_student = $this->getDataOrTerminateWithError($is_student);
+
+
+		//? check if the permissions are set correctly
+		if (
+			$is_student && $this->permissionlib->isBerechtigt('student/stammdaten', "suid", $this->getOE_from_student($uid)) ||
+			$is_mitarbeiter && $this->permissionlib->isBerechtigt('mitarbeiter/stammdaten', "suid") 
+		) {
+
+			if (is_array($requested_change) && array_key_exists("adresse_id", $requested_change)) {
+				$insertID = $this->handleAdresse($requested_change, $personID);
+				$insertID = getData($insertID);
+				if (isset($insertID)) {
+					$requested_change['adresse_id'] = $insertID;
+					$update_res = $this->updateRequestedChange($id, $requested_change);
+					if (isError($update_res)) {
+						$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_address_error', [$insertID]));
+					}
+				}
+
+			} else if (is_array($requested_change) && array_key_exists("kontakt_id", $requested_change)) {
+				$insertID = $this->handleKontakt($requested_change, $personID);
+				$insertID = getData($insertID);
+				if (isset($insertID)) {
+					$requested_change['kontakt_id'] = $insertID;
+					$update_res = $this->updateRequestedChange($id, $requested_change);
+					if (isError($update_res)) {
+						$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_kontakt_error', [$insertID]));
+					}
+				}
+
+
+			} else {
+				switch ($topic) {
+					// mapping phrasen to database columns to make the update with the correct column names
+					case self::$TOPICS['Titel']:
+						$topic = "titelpre";
+						break;
+					case self::$TOPICS['Postnomen']:
+						$topic = "titelpost";
+						break;
+					case self::$TOPICS['Vorname']:
+						$topic = "vorname";
+						break;
+					case self::$TOPICS['Nachname']:
+						$topic = "nachname";
+						break;
+					default:
+						$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_topic_error', [$topic]));
+				}
+
+				$result = $this->PersonModel->update($personID, [$topic => $requested_change["value"]]);
+				if (isError($result)) $this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_insert_error'));
+			
+			}
+			$this->sendEmail_onProfilUpdate_response($uid, $topic, self::$STATUS_ACCEPTED);
+
+			$this->terminateWithSuccess($this->setStatusOnUpdateRequest($id, self::$STATUS_ACCEPTED, $status_message, $requested_change));
+		} else {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_permission_error'));
+		}
+
+
+	}
+
+	public function insertFile($replace)
+	{
+		$replace = json_decode($replace);
+		
+		if (!count($_FILES)) {
+			$this->terminateWithError("No file available for upload");
+		}
+
+		//? if replace is set it contains the profil_update_id in which the attachment_id has to be replaced
+		if (isset($replace)) {
+			
+			$this->ProfilUpdateModel->addSelect(["attachment_id"]);
+			$profilUpdate = $this->ProfilUpdateModel->load([$replace]);
+			if (isError($profilUpdate)) {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_loading_error'));
+			}
+			//? get the attachmentID
+			$dms_id = $this->getDataOrTerminateWithError($profilUpdate)[0]->attachment_id;
+
+			//? delete old dms_file of Profil Update
+			$deleteOldFile_result = $this->deleteOldVersionFile($dms_id);
+			if(!$deleteOldFile_result){
+				$this->terminateWithError("error while deleting the old file");
+			}
+		}
+
+
+		$files = $_FILES['files'];
+		$file_count = count($files['name']);
+
+		$res = [];
+
+		for ($i = 0; $i < $file_count; $i++) {
+			$_FILES['files']['name'] = $files['name'][$i];
+			$_FILES['files']['type'] = $files['type'][$i];
+			$_FILES['files']['tmp_name'] = $files['tmp_name'][$i];
+			$_FILES['files']['error'] = $files['error'][$i];
+			$_FILES['files']['size'] = $files['size'][$i];
+
+			$dms = [
+				"kategorie_kurzbz" => "profil_aenderung",
+				"version" => 0,
+				"name" => $_FILES['files']['name'],
+				"mimetype" => $_FILES['files']['type'],
+				"beschreibung" => $this->uid . " Profil Änderung",
+				"insertvon" => $this->uid,
+				"insertamum" => "NOW()",
+			];
+
+			$tmp_res = $this->dmslib->upload($dms, 'files', array("jpg", "png", "pdf"));
+			
+			if(isError($tmp_res)){
+				$this->addError(getError($tmp_res));
+			}
+
+			$tmp_res = $this->getDataOrTerminateWithError($tmp_res);
+			array_push($res, $tmp_res);
+		}
+
+		$this->terminateWithSuccess($res);
+	}
+
+	public function updateProfilbild()
+	{
+
+		$resize = function($filename, $width, $height){
+			// Hoehe und Breite neu berechnen
+			list($width_orig, $height_orig) = getimagesize($filename);
+			
+			if ($width && ($width_orig < $height_orig))
+			{
+				$width = ($height / $height_orig) * $width_orig;
+			}
+			else
+			{
+				$height = ($width / $width_orig) * $height_orig;
+			}
+
+			$image_p = imagecreatetruecolor($width, $height);
+
+			$image = imagecreatefromjpeg($filename);
+
+			//Bild nur verkleinern aber nicht vergroessern
+			if($width_orig>$width || $height_orig>$height)
+				imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
+			else
+				$image_p = $image;
+
+			imagejpeg($image_p, $filename, 80);
+
+			@imagedestroy($image_p);
+			@imagedestroy($image);
+		};
+		
+		if (!count($_FILES)) {
+			$this->terminateWithError("No file available for upload");
+		}
+
+		$files = $_FILES['files'];
+		
+		$_FILES['files']['name'] = current($files['name']);
+		$_FILES['files']['type'] = current($files['type']);
+		$_FILES['files']['tmp_name'] = current($files['tmp_name']);
+		$_FILES['files']['error'] = current($files['error']);
+		$_FILES['files']['size'] = current($files['size']);
+		$_FILES['files']['tmp_name'] = current($files['tmp_name']);
+
+		$filename = $_FILES['files']['tmp_name'];
+
+		$ext = substr(current($files['name']), strrpos(current($files['name']), '.') + 1);
+		if($ext!='jpg' && $ext!='jpeg'){
+			$this->terminateWithError("Only jpg and jpeg files are allowed for profilbild upload");
+		}
+		
+		// resize
+		$resize($filename, 827, 1063);
+
+		//akte
+		$fp = fopen($filename,'r');
+		//auslesen
+		$content = fread($fp, filesize($filename));
+		$base64_content = base64_encode($content);
+		$this->load->library('AkteLib');
+		$aktenInsertResult = $this->aktelib->add($this->pid,'Lichtbil',"Lichtbild_".$this->pid.".jpg","image/jpg",$fp,"Lichtbild gross");
+		fclose($fp);
+		if (isError($aktenInsertResult)) {
+			$this->terminateWithError(getError($aktenInsertResult));
+		}
+
+		// in person abspeichern
+		$resize($filename, 101, 130);
+		$fp = fopen($filename,'r');
+		$content = fread($fp, filesize($filename));
+		fclose($fp);
+		$base64_content = base64_encode($content);
+		$this->load->model('person/Person_model','PersonModel');
+		$personUpdate = $this->PersonModel->update($this->pid, ["foto"=>$base64_content]);
+		if(isError($personUpdate)){
+			$this->terminateWithError(getError($personUpdate));
+		}
+
+
+		// update foto status
+		$this->load->model('person/Fotostatusperson_model','FotostatusModel');
+		$fotoInsert = $this->FotostatusModel->insert(["person_id"=>$this->pid,"fotostatus_kurzbz"=>"hochgeladen","datum"=>date('Y-m-d'),"insertamum"=>date('Y-m-d H:i:s'),"insertvon"=>$this->uid,"updateamum"=>date('Y-m-d H:i:s'),"updatevon"=>$this->uid]);
+		if(isError($fotoInsert)){
+			$this->terminateWithError(getError($fotoInsert));
+		}
+		
+		$this->terminateWithSuccess();
+	}
+
+	public function getProfilUpdateWithPermission($status = null)
+	{
+		// early return if no status has been passed as argument
+		if (!isset($status)) {
+			$this->terminateWithSuccess($this->ProfilUpdateModel->getProfilUpdateWithPermission());
+		}
+
+		// get the sprache of the user
+		$sprachenIndex = $this->SpracheModel->loadWhere(["sprache" => getUserLanguage()]);
+		$sprachenIndex = hasData($sprachenIndex) ? getData($sprachenIndex)[0]->index : null;
+
+		if (isset($sprachenIndex) && isset($status)) {
+			// get the corresponding status kurz_bz primary key out of the translation
+			$status = $this->ProfilUpdateStatusModel->execReadOnlyQuery("select * from public.tbl_profil_update_status where ? = ANY(bezeichnung_mehrsprachig)", [$status]);
+			$status = hasData($status) ? getData($status)[0]->status_kurzbz : null;
+			$res = $this->ProfilUpdateModel->getProfilUpdateWithPermission(isset($status) ? ['status' => $status] : null);
+
+			$this->terminateWithSuccess($res);
+		}
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+
+	private function sendEmail_onProfilUpdate_insertion($uid, $profil_update_id, $topic)
+	{
+		if($this->config->item('cis_send_profil_update_mails') === false)
+		{
+			return;
+		}
+
+		$this->load->helper('hlp_sancho_helper');
+		$emails = [];
+
+		$is_mitarbeiter = $this->MitarbeiterModel->isMitarbeiter($uid);
+		if (isError($is_mitarbeiter)) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_mitarbeiterCheck_error'));
+		}
+		$is_mitarbeiter = $this->getDataOrTerminateWithError($is_mitarbeiter);
+
+		//! if the $uid is a mitarbeiter and student, only the hr is notified by email
+		if ($is_mitarbeiter) {
+			//? user is not a student therefore he is a mitarbeiter, send email to Personalverwaltung
+			//? use constant variable MAIL_GST to mail to the personalverwaltung
+			$this->MitarbeiterModel->addSelect([TRUE]);
+			$this->MitarbeiterModel->addJoin("public.tbl_benutzer", "public.tbl_benutzer.uid = public.tbl_mitarbeiter.mitarbeiter_uid");
+			//? check if the the userID is a mitarbeiter and if the benutzer is active
+			$res = $this->MitarbeiterModel->loadWhere(["public.tbl_mitarbeiter.mitarbeiter_uid" => $uid, "public.tbl_benutzer.aktiv" => TRUE]);
+			if (isError($res)) {
+				$this->terminateWithError("was not able to query the mitarbeiter and benutzer by the uid: " . $uid);
+			}
+			if (hasData($res)) {
+				array_push($emails, MAIL_GST);
+			} else {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_mitarbeiterCheck_error'));
+			}
+		} else {
+			//? if it is not a mitarbeiter, check whether it is a student and send email to studiengang
+			$is_student = $this->StudentModel->isStudent($uid);
+			if (isError($is_student)) {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_studentCheck_error'));
+			}
+			$is_student = $this->getDataOrTerminateWithError($is_student);
+			if ($is_student) {
+				//? Send email to the Studiengangsassistentinnen
+				$this->StudentModel->addSelect(["public.tbl_studiengang.email"]);
+				$this->StudentModel->addJoin("public.tbl_benutzer", "public.tbl_benutzer.uid = public.tbl_student.student_uid");
+				$this->StudentModel->addJoin("public.tbl_prestudent", "public.tbl_benutzer.person_id = public.tbl_prestudent.person_id and public.tbl_student.studiengang_kz = public.tbl_prestudent.studiengang_kz");
+				$this->StudentModel->addJoin("public.tbl_prestudentstatus", "public.tbl_prestudentstatus.prestudent_id = public.tbl_prestudent.prestudent_id");
+				$this->StudentModel->addJoin("public.tbl_studiengang", "public.tbl_studiengang.studiengang_kz = public.tbl_prestudent.studiengang_kz");
+				$this->StudentModel->addGroupBy(["public.tbl_studiengang.email"]);
+				//* check if the benutzer itself is active
+				//* check if the student status is Student or Diplomand (active students)
+				$this->StudentModel->db->where_in("public.tbl_prestudentstatus.status_kurzbz", ['Student', 'Diplomand']);
+				$res = $this->StudentModel->loadWhere(["public.tbl_benutzer.aktiv" => TRUE, "public.tbl_student.student_uid" => $uid]);
+				if (isError($res)) {
+					$this->terminateWithError(getError($res));
+				} else {
+					$res = $this->getDataOrTerminateWithError($res);
+					foreach ($res as $emailObj) {
+						array_push($emails, $emailObj->email);
+					}
+				}
+			}
+		}
+		$mail_res = [];
+		//? sending email
+		foreach ($emails as $email)
+		{
+			$href = $this->config->item('cis_vilesci_base_url') . $this->config->item('cis_vilesci_index_page') . '/Cis/ProfilUpdate/id/' . $profil_update_id;
+			array_push($mail_res, sendSanchoMail("profil_update", ['uid' => $uid, 'topic' => $topic, 'href' => $href], $email, ("Profil Änderung von " . $uid)));
+		}
+		foreach ($mail_res as $m_res) {
+			if (!$m_res) {
+				$this->addError($this->p->t('profilUpdate', 'profilUpdate_email_error'));
+			}
+		}
+
+	}
+	
+	private function sendEmail_onProfilUpdate_response($uid, $topic, $status)
+	{
+		if($this->config->item('cis_send_profil_update_mails') === false)
+		{
+			return;
+		}
+
+		$this->load->helper('hlp_sancho_helper');
+		$email = $uid . "@" . DOMAIN;
+
+
+		function languageQuery($language)
+		{
+			return "select index from public.tbl_sprache where sprache = '" . $language . "'";
+		}
+
+		$this->ProfilUpdateStatusModel->addSelect(["bezeichnung_mehrsprachig[(" . languageQuery('German') . ")] as status_de", "bezeichnung_mehrsprachig[(" . languageQuery('English') . ")] as status_en"]);
+		
+		$status_translation = $this->ProfilUpdateStatusModel->loadWhere(["status_kurzbz" => $status]);
+		if (isError($status_translation)) {
+			$this->terminateWithError($this->p->t('profilUpdate', 'ProfilUpdateStatusTranslationError'));
+		}
+
+		$status_translation = hasData($status_translation) ? getData($status_translation)[0] : null;
+		if (isset($status_translation))
+		{
+			$href = $this->config->item('cis_base_url') . $this->config->item('cis_index_page') . '/Cis/Profil';
+			$mail_res = sendSanchoMail("profil_update_response", ['topic' => $topic, 'status_de' => $status_translation->status_de, 'status_en' => $status_translation->status_en, 'href' => $href], $email, ("Profil Änderung " . $status_translation->status_de . ' / Profile Update ' . $status_translation->status_en));
+			if (!$mail_res) {
+				$this->addError($this->p->t('profilUpdate', 'profilUpdate_email_error'));
+			}
+		}
+	}
+
+	private function setStatusOnUpdateRequest($id, $status, $status_message)
+	{
+		return $this->ProfilUpdateModel->update([$id], [
+			"status" => $status,
+			"status_timestamp" => "NOW()",
+			"status_message" => $status_message,
+			"updateamum" => "NOW()",
+			"updatevon" => getAuthUID()
+		]);
+	}
+	
+	private function updateRequestedChange($id, $requested_change)
+	{
+		return $this->ProfilUpdateModel->update([$id], ['requested_change' => json_encode($requested_change)]);
+	}
+	
+	private function deleteOldVersionFile($dms_id)
+	{
+		if (!isset($dms_id)) {
+			return true;
+		}
+
+		// starting the transaction
+		$this->db->trans_start();
+
+		//? delete the file from the profilUpdate first
+		$profilUpdateFileDelete = $this->ProfilUpdateModel->removeFileFromProfilUpdate($dms_id);
+		if(isError($profilUpdateFileDelete)){
+			$this->terminateWithError(getError($profilUpdateFileDelete));
+		}
+		
+		//? delete all the different versions of the dms_file
+		$dmsVersions = $this->DmsVersionModel->loadWhere(["dms_id" => $dms_id]);
+		$dmsVersions = $this->getDataOrTerminateWithError($dmsVersions);
+		
+		
+		
+		$dms_versions = array_map(function ($item) {
+			return $item->version;
+		}, $dmsVersions);
+
+
+		$test_array = array();
+		foreach ($dms_versions as $version) {
+			
+			$delete_result = $this->dmslib->removeVersion($dms_id, $version);
+			array_push($test_array, $delete_result);
+			
+			if(isError($delete_result)){
+				$this->addError(getError($delete_result));
+			}
+		}
+
+		// transaction complete
+		$this->db->trans_complete();
+		
+		if ($this->db->trans_status() === FALSE)
+		{
+			return false;
+		}
+		else
+		{
+			return true;
+		}
+		
+	}
+	
+	
+	private function getOE_from_student($student_uid)
+	{
+		//? returns the oe_einheit eines Studenten 
+		$query = "SELECT public.tbl_studiengang.oe_kurzbz
+		FROM public.tbl_student
+		JOIN public.tbl_studiengang ON tbl_student.studiengang_kz = public.tbl_studiengang.studiengang_kz
+		WHERE public.tbl_student.student_uid = ?;";
+
+		$res = $this->StudentModel->execReadOnlyQuery($query, [$student_uid]);
+		$res = $this->getDataOrTerminateWithError($res, $this->p->t('profilUpdate', 'profilUpdate_loadingOE_error'));	
+		$oe = ($res[0])->oe_kurzbz;
+		return $oe;
+	}
+
+	private function handleAdresse($requested_change, $personID)
+	{
+		$this->AdressenTypModel->addSelect(["adressentyp_kurzbz"]);
+		$adr_kurzbz = $this->AdressenTypModel->loadWhere(["bezeichnung" => $requested_change['typ']]);
+		$adr_kurzbz = $this->getDataOrTerminateWithError($adr_kurzbz)[0]->adressentyp_kurzbz;
+
+		//? replace the address_typ with its correct kurzbz foreign key
+		$requested_change['typ'] = $adr_kurzbz;
+
+		$adresse_id = $requested_change["adresse_id"];
+
+		//? removes the adresse_id because we don't want to update the kontakt_id in the database
+		unset($requested_change["adresse_id"]);
+
+		//! ADD
+		if (array_key_exists('add', $requested_change) && $requested_change['add']) {
+
+			//? removes add flag
+			unset($requested_change['add']);
+			$requested_change['insertamum'] = "NOW()";
+			$requested_change['insertvon'] = getAuthUID();
+			$requested_change['person_id'] = $personID;
+			//TODO: zustelladresse, heimatadresse, rechnungsadresse und nation werden nicht beachtet
+			$insertID = $this->AdresseModel->insert($requested_change);
+			$insert_adresse_id = $insertID;
+			$insert_adresse_id = $this->getDataOrTerminateWithError($insert_adresse_id, $this->p->t('profilUpdate', 'profilUpdate_insertAdresse_error'));
+			if ($insert_adresse_id) {
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $insert_adresse_id, $personID);
+			}
+		}
+		//! DELETE
+		elseif (array_key_exists('delete', $requested_change) && $requested_change['delete']) {
+			$result = $this->AdresseModel->delete($adresse_id);
+			if (isError($result)) {
+				$this->terminateWithError(getError($result));
+			}
+		}
+		//! UPDATE
+		else {
+			$curadresse_res = $this->AdresseModel->load($adresse_id);
+			$curadresse = ($this->getDataOrTerminateWithError($curadresse_res))[0];
+
+			if($curadresse->heimatadresse)
+			{
+				$tmpadresse = array_merge((array) $curadresse, $requested_change);
+				unset($tmpadresse["adresse_id"]);
+				$tmpadresse['insertamum'] = "NOW()";
+				$tmpadresse['insertvon'] = getAuthUID();
+				$tmpadresse['person_id'] = $personID;
+				unset($tmpadresse["heimatadresse"]);
+				unset($tmpadresse["updateamum"]);
+				unset($tmpadresse["updatevon"]);
+
+				$tmpadresse_res = $this->AdresseModel->insert($tmpadresse);
+				$tmpadresse_id = $this->getDataOrTerminateWithError($tmpadresse_res, $this->p->t('profilUpdate', 'profilUpdate_insertAdresse_error'));
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $tmpadresse_id, $personID);
+			}
+			else
+			{
+				$requested_change['updateamum'] = "NOW()";
+				$requested_change['updatevon'] = getAuthUID();
+
+				$update_adresse_id = $this->AdresseModel->update($adresse_id, $requested_change);
+				$update_adresse_id = $this->getDataOrTerminateWithError($update_adresse_id, $this->p->t('profilUpdate', 'profilUpdate_updateAdresse_error'));
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $update_adresse_id, $personID);
+			}
+		}
+		return $insertID ?? null;
+	}
+
+	private function handleKontakt($requested_change, $personID)
+	{
+		$kontakt_id = $requested_change["kontakt_id"];
+		//? removes the kontakt_id because we don't want to update the kontakt_id in the database
+		unset($requested_change["kontakt_id"]);
+
+		//! ADD
+		if (array_key_exists('add', $requested_change) && $requested_change['add']) {
+			//? removes add flag
+			unset($requested_change['add']);
+			$requested_change['person_id'] = $personID;
+			$requested_change['insertamum'] = "NOW()";
+			$requested_change['insertvon'] = getAuthUID();
+			$insertID = $this->KontaktModel->insert($requested_change);
+			$insert_kontakt_id = $insertID;
+			$insert_kontakt_id = $this->getDataOrTerminateWithError($insert_kontakt_id, $this->p->t('profilUpdate', 'profilUpdate_insertKontakt_error'));
+			if ($insert_kontakt_id) {
+				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $insert_kontakt_id, $requested_change['kontakttyp'], $personID);
+			}
+		}
+		//! DELETE
+		elseif (array_key_exists('delete', $requested_change) && $requested_change['delete']) {
+			$result = $this->KontaktModel->delete($kontakt_id);
+			if (isError($result)) {
+				$this->terminateWithError(getError($result));
+			}
+		}
+		//! UPDATE
+		else {
+			$requested_change['updateamum'] = "NOW()";
+			$requested_change['updatevon'] = getAuthUID();
+			$update_kontakt_id = $this->KontaktModel->update($kontakt_id, $requested_change);
+			$update_kontakt_id = $this->getDataOrTerminateWithError($update_kontakt_id, $this->p->t('profilUpdate', 'profilUpdate_updateKontakt_error'));
+			if ($update_kontakt_id) {
+				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $update_kontakt_id, $requested_change['kontakttyp'], $personID);
+			}
+		}
+		return isset($insertID) ? $insertID : null;
+	}
+
+	private function handleDupplicateZustellAdressen($zustellung, $adresse_id, $person_id)
+	{
+		if ($zustellung) {
+			$this->PersonModel->addSelect("public.tbl_adresse.adresse_id");
+			$this->PersonModel->addJoin("public.tbl_adresse", "public.tbl_adresse.person_id = public.tbl_person.person_id");
+			$zustellAdressenArray = $this->PersonModel->loadWhere(["public.tbl_person.person_id" => $person_id, "zustelladresse" => TRUE]);
+			if (isError($zustellAdressenArray)) {
+				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_loadingZustellAdressen_error'));
+			}
+			$zustellAdressenArray = $this->getDataOrTerminateWithError($zustellAdressenArray);
+	
+			if (count($zustellAdressenArray) > 0) {
+	
+				$zustellAdressenArray = array_filter($zustellAdressenArray, function ($adresse) use ($adresse_id) {
+	
+					return $adresse->adresse_id != $adresse_id;
+				});
+	
+				$this->addMeta('bhzustelladressen', $zustellAdressenArray);
+
+				// remove the zustelladresse from all other zustelladressen
+				foreach ($zustellAdressenArray as $adresse) {
+					$this->AdresseModel->update($adresse->adresse_id, ["zustelladresse" => FALSE]);
+				}
+	
+			}
+		}
+	}
+
+	private function handleDupplicateZustellKontakte($zustellung, $kontakt_id, $kontakttyp, $person_id)
+	{
+		if ($zustellung) {
+			$this->PersonModel->addSelect("public.tbl_kontakt.kontakt_id");
+			$this->PersonModel->addJoin("public.tbl_kontakt", "public.tbl_kontakt.person_id = public.tbl_person.person_id");
+			$zustellKontakteArray = $this->PersonModel->loadWhere([
+				"public.tbl_person.person_id" => $person_id,
+				"zustellung" => TRUE,
+				"kontakttyp" => $kontakttyp
+			]);
+			if (!isSuccess($zustellKontakteArray)) {
+				return error($this->p->t('profilUpdate', 'profilUpdate_loadingZustellkontakte_error'));
+			}
+			$zustellKontakteArray = hasData($zustellKontakteArray) ? getData($zustellKontakteArray) : null;
+
+			if ($zustellung && count($zustellKontakteArray) > 0) {
+				$zustellKontakteArray = array_filter($zustellKontakteArray, function ($kontakt) use ($kontakt_id) {
+					return $kontakt->kontakt_id != $kontakt_id;
+				});
+				foreach ($zustellKontakteArray as $kontakt) {
+					$this->KontaktModel->update($kontakt->kontakt_id, ["zustellung" => FALSE]);
+				}
+
+			}
+		}
+	}
+	
+}
+
+

application/controllers/api/frontend/v1/RendererLoader.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+class RendererLoader extends FHCAPI_Controller
+{
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+
+		parent::__construct([
+			'GetRenderers' => self::PERM_LOGGED,
+           
+		]);
+
+        $this->load->library('LogLib');
+        $this->loglib->setConfigs(array(
+			'classIndex' => 5,
+			'functionIndex' => 5,
+			'lineIndex' => 4,
+			'dbLogType' => 'API', // required
+			'dbExecuteUser' => 'RESTful API'
+		));
+
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	 /**
+     * fetches Stundenplan and Moodle events together
+     * @access public
+     *
+     */
+	public function GetRenderers(){
+		$renderer_paths = [];
+		Events::trigger(
+				'loadRenderers',
+				function & () use (&$renderer_paths)
+				{
+					return $renderer_paths;
+				}
+			);
+		$this->terminateWithSuccess($renderer_paths);
+	}
+
+	
+	
+
+}

application/controllers/api/frontend/v1/RouteInfo.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class RouteInfo extends FHCAPI_Controller
+{
+
+	public function __construct()
+	{
+		parent::__construct([
+			'info' => self::PERM_LOGGED,
+		]);
+
+		$this->load->model('system/Webservicelog_model', 'WebservicelogModel');
+	}
+
+	public function info()
+	{
+		$payload = json_decode($this->input->raw_input_stream);
+
+		if (isset($payload->app) && isset($payload->path) && $this->isValidApp($payload->app) && $this->isValidPath($payload->path))
+		{
+			$this->WebservicelogModel->insert(array(
+				'webservicetyp_kurzbz' => 'content',
+				'beschreibung' => $payload->app,
+				'request_data' => $payload->path,
+				'execute_user' => getAuthUID(),
+				'execute_time' => 'NOW()'
+			));
+		}
+		$this->terminateWithSuccess(true);
+	}
+
+	protected function isValidApp($app)
+	{
+		return preg_match("/^[A-Za-z0-9\-_]+$/", $app);
+	}
+
+	protected function isValidPath($path)
+	{
+		return preg_match("/^[\/A-Za-z0-9_.\-~?%=&;]+$/", $path);
+	}
+}

application/controllers/api/frontend/v1/Searchbar.php

@@ -35,11 +35,12 @@ class Searchbar extends FHCAPI_Controller
 	{
 		// NOTE(chris): additional permission checks will be done in SearchBarLib
 		parent::__construct([
-			'search' => self::PERM_LOGGED
+			'search' => self::PERM_LOGGED,
+			'searchCis' => self::PERM_LOGGED,
+			'searchStv' => self::PERM_LOGGED
 		]);
 
-		// Load the library SearchBarLib
-		$this->load->library('SearchBarLib');
+		$this->load->model('system/Webservicelog_model', 'WebservicelogModel');
 	}
 
 	//------------------------------------------------------------------------------------------------------------------
@@ -50,6 +51,7 @@ class Searchbar extends FHCAPI_Controller
 	 */
 	public function search()
 	{
+		$this->load->library('SearchBarLib');
 		$this->load->library('form_validation');
 
 		// Checks if the searchstr and the types parameters are in the POSTed JSON
@@ -63,7 +65,64 @@ class Searchbar extends FHCAPI_Controller
 		$result = $this->searchbarlib->search($this->input->post(self::SEARCHSTR_PARAM), $this->input->post(self::TYPES_PARAM));
 		if (property_exists($result, 'error'))
 			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		$this->terminateWithSuccess($result);
+		
+		$this->addMeta('mode', 'simple');
+		
+		$this->terminateWithSuccess($result->data);
+	}
+
+	/**
+	 * Gets a JSON body via HTTP POST and provides the parameters
+	 */
+	public function searchCis()
+	{
+		return $this->searchAdvanced([ 'config' => 'searchcis' ]);
+	}
+
+	/**
+	 * Gets a JSON body via HTTP POST and provides the parameters
+	 */
+	public function searchStv()
+	{
+		return $this->searchAdvanced([ 'config' => 'searchstv' ]);
+	}
+
+	/**
+	 * Gets a JSON body via HTTP POST and provides the parameters
+	 */
+	private function searchAdvanced($config)
+	{
+		$this->load->library('SearchLib', $config);
+		$this->load->library('form_validation');
+
+		// Checks if the searchstr and the types parameters are in the POSTed JSON
+		$this->form_validation->set_rules(self::SEARCHSTR_PARAM, null, 'required');
+		$this->form_validation->set_rules(self::TYPES_PARAM . '[]', null, 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		// Convert to json the result from searchlib->search
+		$result = $this->searchlib->search($this->input->post(self::SEARCHSTR_PARAM), $this->input->post(self::TYPES_PARAM));
+
+		$this->WebservicelogModel->insert(array(
+			'webservicetyp_kurzbz' => 'content',
+			'beschreibung' => $config['config'],
+			'request_data' => json_encode(array(
+				self::SEARCHSTR_PARAM => $this->input->post(self::SEARCHSTR_PARAM),
+				self::TYPES_PARAM => $this->input->post(self::TYPES_PARAM)
+			)),
+			'execute_user' => getAuthUID(),
+			'execute_time' => 'NOW()'
+		));
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->addMeta('time', $result->meta['time']);
+		$this->addMeta('searchstring', $result->meta['searchstring']);
+		$this->addMeta('mode', 'advanced');
+		
+		$this->terminateWithSuccess($data);
 	}
 }
 

application/controllers/api/frontend/v1/Studgang.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+class Studgang extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getStudiengangInfo'=> self::PERM_LOGGED,
+
+		]);
+
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+
+		// Loads phrases system
+		$this->loadPhrases([
+			'global'
+		]);
+
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	public function getStudiengangInfo(){
+		$isMitarbeiter = $this->MitarbeiterModel->isMitarbeiter(getAuthUID());
+		$isMitarbeiter = $this->getDataOrTerminateWithError($isMitarbeiter);
+		if($isMitarbeiter) {
+			$this->terminateWithSuccess(null);
+		}
+		
+		// fetches the Studiengang Information which is used next to the news
+		$studiengangInfo = $this->StudiengangModel->getStudiengangInfoForNews();
+		$studiengangInfo= $this->getDataOrTerminateWithError($studiengangInfo);
+		$this->terminateWithSuccess($studiengangInfo);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+
+	
+}
+

application/controllers/api/frontend/v1/Studium.php

@@ -0,0 +1,331 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+class Studium extends FHCAPI_Controller
+{
+	
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getAllStudienSemester'=> self::PERM_LOGGED,
+			'getStudiengaengeForStudienSemester'=> self::PERM_LOGGED,
+			'getStudienplaeneBySemester'=> self::PERM_LOGGED,
+			'getLvEvaluierungInfo'=> self::PERM_LOGGED,
+		]);
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->load->model('organisation/Studienordnung_model','StudienordnungModel');
+		$this->load->model('organisation/Studiensemester_model',"StudiensemesterModel");
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+		$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$this->load->model('codex/Orgform_model','OrgformModel');
+		$this->load->model('person/Person_model','PersonModel');
+
+		
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	public function getAllStudienSemester(){
+
+		$parameter_studiensemester = $this->input->get('studiensemester',true);
+        $parameter_studiengang = $this->input->get('studiengang',true);
+		$parameter_semester = $this->input->get('semester',true);
+		$parameter_studienplan = $this->input->get('studienplan',true);
+
+		$aktuelles_studiensemester = current($this->getDataOrTerminateWithError($this->StudiensemesterModel->getAktOrNextSemester()));
+		
+		if($this->getDataOrTerminateWithError($this->StudentModel->isStudent(getAuthUID()))){
+			$lv_result =$this->StudentlehrverbandModel->loadWhere([
+				"student_uid" => getAuthUID(),
+				"studiensemester_kurzbz" => $aktuelles_studiensemester->studiensemester_kurzbz
+			]);
+			$lv_data = $this->getDataOrTerminateWithError($lv_result);
+			
+			if ($studentLehrverband = current($lv_data)) {
+				$student_studiensemester = $studentLehrverband->studiensemester_kurzbz;
+				$student_studiengang = $studentLehrverband->studiengang_kz;
+				$student_semester = $studentLehrverband->semester;
+			}
+			
+			$student_studienplan = $this->getStudienPlanFromPrestudentStatus(getAuthPersonId())->studienplan_id;
+
+			$parameter_studiensemester = $parameter_studiensemester ?? $student_studiensemester;
+			$parameter_studiengang = $parameter_studiengang ?? $student_studiengang;
+			$parameter_semester = $parameter_semester ?? $student_semester;
+			$parameter_studienplan = $parameter_studienplan ?? $student_studienplan;
+		}  
+
+		if(isset($parameter_studiensemester)){
+			$parameter_studiensemester = current($this->getDataOrTerminateWithError($this->StudiensemesterModel->loadWhere(["studiensemester_kurzbz" => $parameter_studiensemester])));
+		}
+
+		if(isset($parameter_studiengang)){
+			$parameter_studiengang = current($this->getDataOrTerminateWithError($this->StudiengangModel->loadWhere(["studiengang_kz" => $parameter_studiengang])));
+		}
+
+		if(isset($parameter_studienplan)){
+			$this->StudienplanModel->addJoin("lehre.tbl_studienordnung", "studienordnung_id");
+			$this->StudienplanModel->addJoin("lehre.tbl_studienplan_semester", "studienplan_id");
+			$parameter_studienplan = $this->StudienplanModel->loadWhere(["studienplan_id" => $parameter_studienplan, "aktiv" => TRUE]);
+			$parameter_studienplan = current($this->getDataOrTerminateWithError($parameter_studienplan));
+		}
+
+		// fetch studiensemester
+		$allStudienSemester = $this->getDataOrTerminateWithError($this->StudiensemesterModel->load());
+		
+		
+		if(isset($parameter_studiensemester) && !empty(array_filter($allStudienSemester, function($studiensemester) use($parameter_studiensemester){
+			return $studiensemester->studiensemester_kurzbz == $parameter_studiensemester->studiensemester_kurzbz;
+		}))){
+			$aktuelles_studiensemester = $parameter_studiensemester;
+		}
+		
+		// fetch studiengaenge
+		$studiengaenge = $this->computeStudiengaenge($aktuelles_studiensemester->studiensemester_kurzbz);
+		$aktuelles_studiengang = current($studiengaenge);
+		if(!$aktuelles_studiengang){
+			$aktuelles_studiengang = null;
+		}
+		if(isset($parameter_studiengang) && !empty(array_filter( $studiengaenge,function($studiengang)use($parameter_studiengang){
+			return $studiengang->studiengang_kz == $parameter_studiengang->studiengang_kz;
+		}))){
+			$aktuelles_studiengang = $parameter_studiengang;
+		}
+		
+		// compute semester and studienplaene
+		if($aktuelles_studiengang){
+			$studienplaene = $this->computeStudienplaene($aktuelles_studiengang->studiengang_kz, $aktuelles_studiensemester->studiensemester_kurzbz);
+		}else{
+			$studienplaene =[];
+		}
+
+		$semester = array_values(array_unique(array_map(function($item){
+			return $item->semester;
+		}, $studienplaene))); 
+		$aktuelles_semester = current($semester);
+		if(!$aktuelles_semester){
+			$aktuelles_semester = null;
+		}
+		if(isset($parameter_semester) && in_array($parameter_semester, $semester)){
+			$aktuelles_semester = $parameter_semester;
+		}
+
+		$semester_studienplan = array_filter($studienplaene, function($item) use($aktuelles_semester){
+			return $item->semester == $aktuelles_semester;
+		});
+
+		// fetch current studienplan based on semester
+		$aktuelles_studienplan = current($semester_studienplan);
+		if(!$aktuelles_studienplan){
+			$aktuelles_studienplan = null;
+		}
+		if(isset($parameter_studienplan) && !empty(array_filter( $semester_studienplan, function($studienplan) use($parameter_studienplan){
+			return $studienplan->studienplan_id == $parameter_studienplan->studienplan_id;
+		}))){
+			$aktuelles_studienplan = $parameter_studienplan ;
+		}
+
+		// fetch studienplan lehrveranstaltungen
+		if($aktuelles_studienplan){
+			$lehrveranstaltungen = $this->computeStudienplanLehrveranstaltungen($aktuelles_studienplan->studienplan_id, $aktuelles_semester);
+			foreach($lehrveranstaltungen as $lehrv){
+				foreach($lehrv->lehrveranstaltungen as $lv){
+					$lvLektoren =$this->computeLektorenFromLehrveranstaltung($lv->lehrveranstaltung_id,$aktuelles_semester, $aktuelles_studiengang->studiengang_kz, $aktuelles_studiensemester->studiensemester_kurzbz);
+					$lv->lektoren = $lvLektoren;
+				}
+			
+			}
+			$aktuelles_lehrveranstaltungen = $lehrveranstaltungen;
+		}else{
+			$aktuelles_lehrveranstaltungen = [];
+		}
+
+		// result object
+		$result = new stdClass();
+		$result->studienSemester = [];
+		$result->studienSemester["all"]= $allStudienSemester;
+		$result->studienSemester["preselected"]=$aktuelles_studiensemester;
+		$result->studiengang["all"]=$studiengaenge;
+		$result->studiengang["preselected"]=$aktuelles_studiengang;
+		$result->semester["all"] =$semester;
+		$result->semester["preselected"] =$aktuelles_semester;
+		$result->studienplan["all"]=$semester_studienplan;
+		$result->studienplan["preselected"]=$aktuelles_studienplan; 
+		$result->lehrveranstaltungen=$aktuelles_lehrveranstaltungen;  
+		
+		
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getLvEvaluierungInfo($studiensemester_kurzbz, $lehrveranstaltung_id){
+		$result = [];
+		Events::trigger('lvEvaluierungsInfo', function & () use (&$result) {
+			return $result;
+		},$lehrveranstaltung_id, $studiensemester_kurzbz);
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getStudiengaengeForStudienSemester($studiensemester){
+		$studiengaenge = $this->computeStudiengaenge($studiensemester);
+		$this->terminateWithSuccess($studiengaenge);
+	}
+
+	public function getStudienplaeneBySemester(){
+		$this->load->library('form_validation');
+        $this->form_validation->set_data($this->input->get());
+		$this->form_validation->set_rules('studiengang', 'studiengang', 'required');
+        $this->form_validation->set_rules('studiensemester', 'studiensemester', 'required');
+        if($this->form_validation->run() == FALSE) $this->terminateWithValidationErrors($this->form_validation->error_array());
+ 
+        $studiengang = $this->input->get('studiengang',true);
+        $studiensemester = $this->input->get('studiensemester',true);
+        $studienplaene = $this->computeStudienplaene($studiengang, $studiensemester);
+		$this->terminateWithSuccess($studienplaene);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	private function computeStudienplaene($studiengang, $studiensemester){
+		$studienplaene = $this->StudienplanModel->getStudienplaeneBySemester($studiengang, $studiensemester);
+		$studienplaene = $this->getDataOrTerminateWithError($studienplaene);
+		$studienplaene = array_map(function($studienplan){
+			$orgform = current($this->getDataOrTerminateWithError($this->OrgformModel->loadWhere(["orgform_kurzbz" => $studienplan->orgform_kurzbz])));
+			$studienplan->orgform_bezeichnung = $orgform->bezeichnung;
+			return $studienplan;
+		},$studienplaene);
+		return $studienplaene;
+	}
+
+	private function computeStudienplanLehrveranstaltungen($studienplan_id, $semester){
+
+/* 
+SELECT tbl_lehrveranstaltung.*,
+            tbl_studienplan_lehrveranstaltung.studienplan_lehrveranstaltung_id,
+            tbl_studienplan_lehrveranstaltung.semester as stpllv_semester,
+            tbl_studienplan_lehrveranstaltung.pflicht as stpllv_pflicht,
+            tbl_studienplan_lehrveranstaltung.koordinator as stpllv_koordinator,
+            tbl_studienplan_lehrveranstaltung.studienplan_lehrveranstaltung_id_parent,
+            tbl_studienplan_lehrveranstaltung.sort stpllv_sort,
+            tbl_studienplan_lehrveranstaltung.curriculum,
+            tbl_studienplan_lehrveranstaltung.export,
+            tbl_studienplan_lehrveranstaltung.genehmigung
+        FROM lehre.tbl_lehrveranstaltung
+        JOIN lehre.tbl_studienplan_lehrveranstaltung
+        USING(lehrveranstaltung_id)
+        WHERE tbl_studienplan_lehrveranstaltung.studienplan_id=" . $this->db_add_param($studienplan_id, FHC_INTEGER);
+        if (defined("CIS_PROFIL_STUDIENPLAN_MODULE_AUSBLENDEN") && CIS_PROFIL_STUDIENPLAN_MODULE_AUSBLENDEN)
+            $qry .= " AND tbl_lehrveranstaltung.lehrtyp_kurzbz != 'modul'";
+        if (!is_null($semester))
+        {
+            $qry.=" AND tbl_studienplan_lehrveranstaltung.semester=" . $this->db_add_param($semester, FHC_INTEGER);
+        } */
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		
+		$query = "
+		SELECT tbl_lehrveranstaltung.*,
+            tbl_studienplan_lehrveranstaltung.studienplan_lehrveranstaltung_id,
+            tbl_studienplan_lehrveranstaltung.semester as stpllv_semester,
+            tbl_studienplan_lehrveranstaltung.pflicht as stpllv_pflicht,
+            tbl_studienplan_lehrveranstaltung.koordinator as stpllv_koordinator,
+            tbl_studienplan_lehrveranstaltung.studienplan_lehrveranstaltung_id_parent,
+            tbl_studienplan_lehrveranstaltung.sort stpllv_sort,
+            tbl_studienplan_lehrveranstaltung.curriculum,
+            tbl_studienplan_lehrveranstaltung.export,
+            tbl_studienplan_lehrveranstaltung.genehmigung
+        FROM lehre.tbl_lehrveranstaltung
+        JOIN lehre.tbl_studienplan_lehrveranstaltung
+        USING(lehrveranstaltung_id)
+        WHERE 
+			tbl_lehrveranstaltung.lehre = true AND
+			tbl_studienplan_lehrveranstaltung.studienplan_id=? AND tbl_studienplan_lehrveranstaltung.semester=?";
+		
+        if (defined("CIS_PROFIL_STUDIENPLAN_MODULE_AUSBLENDEN") && CIS_PROFIL_STUDIENPLAN_MODULE_AUSBLENDEN)
+			$query .= " AND tbl_lehrveranstaltung.lehrtyp_kurzbz != 'modul'";
+		
+		$lehrveranstaltungen = $this->LehrveranstaltungModel->execReadOnlyQuery($query,[$studienplan_id, $semester]);
+		
+		$lehrveranstaltungen = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+		usort($lehrveranstaltungen, function($a, $b){
+			if($a->lehrtyp_kurzbz == "modul"){
+				return -1;
+			}
+			else if($b->lehrtyp_kurzbz == "modul"){
+				return 1;
+			}
+			return 0;
+		});
+		$lehrveranstaltungen= array_reduce($lehrveranstaltungen,function($carry, $lehrv){
+			if($lehrv->lehrtyp_kurzbz == "modul"){
+				$lehrv->lehrveranstaltungen = [];
+				array_push($carry, $lehrv);
+			}
+			else{
+				$parent =array_filter($carry, function($item)use($lehrv){
+					return $item->studienplan_lehrveranstaltung_id == $lehrv->studienplan_lehrveranstaltung_id_parent;
+				});
+				$parent = current($parent);
+				if($parent){
+					$parent->lehrveranstaltungen[] = $lehrv;
+				}
+			}
+			return $carry;
+		}, []);
+		return $lehrveranstaltungen;
+	}
+
+	private function computeStudiengaenge($studiensemester){
+		$studiengang_studiensemester_result = $this->StudiengangModel->getStudiengaengeByStudiensemester($studiensemester);
+		$studiengang_studiensemester_result = $this->getDataOrTerminateWithError($studiengang_studiensemester_result);
+		return $studiengang_studiensemester_result;
+	}
+
+	private function getStudienPlanFromPrestudentStatus($person_id){
+			$studienplan_id = current($this->getDataOrTerminateWithError($this->PrestudentstatusModel->getLastStatusPerson($person_id)))->studienplan_id;
+			$studienplan =current($this->getDataOrTerminateWithError($this->StudienplanModel->loadWhere(["studienplan_id"=>$studienplan_id])));
+			return $studienplan;
+	}
+
+	private function computeLektorenFromLehrveranstaltung($lehreinheit_id, $semester, $studiengang, $studiensemester){
+		$this->load->library('StundenplanLib');
+		$lektoren = $this->stundenplanlib->getLektorenFromLehrveranstaltung($lehreinheit_id,$semester, $studiengang,$studiensemester);
+		$lektoren = $this->getDataOrTerminateWithError($lektoren) ?? [];
+		
+		$lektoren = array_map(function($lektor){
+			return ["name"=>$this->getDataOrTerminateWithError($this->PersonModel->getFullName($lektor)), "email"=>$lektor."@".DOMAIN];
+		},$lektoren);
+		
+		return $lektoren;
+	}
+
+
+	
+	
+}
+

application/controllers/api/frontend/v1/Udf.php

@@ -0,0 +1,133 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the UDFLib (back-end)
+ * Provides data to the ajax get calls about the Udf component
+ * Listens to ajax post calls to change the Udf data
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Udf extends FHCAPI_Controller
+{
+	/**
+	 * Calls the parent's constructor and prepares the UDFLib
+	 */
+	public function __construct()
+	{
+		// NOTE: UdfLib has its own permissions checks
+		parent::__construct([
+			'load' => self::PERM_LOGGED,
+			'save' => self::PERM_LOGGED
+		]);
+
+		// Libraries
+		$this->load->library('form_validation');
+		$this->load->library('UDFLib');
+		
+		// Models
+		$this->load->model($this->getTargetModelPath(), 'TargetModel');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Load all UDFs for a dataset
+	 *
+	 * @return void
+	 */
+	public function load()
+	{
+		$pks = $this->TargetModel->getPks();
+		foreach ($pks as $id)
+			$this->form_validation->set_rules($id, $id, 'required');
+		
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$id = [];
+		foreach ($pks as $pk)
+			$id[$pk] = $this->input->post($pk);
+		if (!is_array($this->TargetModel->getPk()))
+			$id = current($id);
+
+		$result = $this->udflib->getFieldArray($this->TargetModel, $id);
+
+		$fields = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($fields);
+	}
+
+	/**
+	 * Saves UDFs to a dataset
+	 *
+	 * @return void
+	 */
+	public function save()
+	{
+		$pks = $this->TargetModel->getPks();
+		foreach ($pks as $id)
+			$this->form_validation->set_rules($id, $id, 'required');
+
+		$result = $this->udflib->getCiValidations($this->TargetModel, $this->input->post());
+		
+		$fieldValidations = $this->getDataOrTerminateWithError($result);
+
+		$this->form_validation->set_rules($fieldvalidations);
+
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$id = [];
+		$fields = $this->input->post();
+		foreach ($pks as $pk) {
+			$id[$pk] = $fields[$pk];
+			unset($fields[$pk]);
+		}
+		if (!is_array($this->TargetModel->getPk()))
+			$id = current($id);
+
+		$result = $this->TargetModel->update($id, $fields);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(array_fill_keys(array_keys($fields), ''));
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Private methods
+
+	/**
+	 * Get the path to the target model from the url
+	 *
+	 * @return string
+	 */
+	private function getTargetModelPath()
+	{
+		$ci_model_path = array_slice($this->uri->rsegments, 2);
+		if ($ci_model_path)
+			$ci_model_path[] = ucfirst(array_pop($ci_model_path)) . '_model';
+		return implode(DIRECTORY_SEPARATOR, $ci_model_path);
+	}
+}

application/controllers/api/frontend/v1/betriebsmittel/BetriebsmittelP.php

@@ -60,7 +60,11 @@ class BetriebsmittelP extends FHCAPI_Controller
 
 	public function getAllBetriebsmittel($type_id, $id)
 	{
-		$result = $this->BetriebsmittelpersonModel->getBetriebsmittelData($id, $type_id);
+		$betriebsmitteltypes = null;
+		if ($this->input->get('betriebsmitteltypes') !== null && !isEmptyArray($this->input->get('betriebsmitteltypes')))
+			$betriebsmitteltypes = $this->input->get('betriebsmitteltypes');
+
+		$result = $this->BetriebsmittelpersonModel->getBetriebsmittelData($id, $type_id, $betriebsmitteltypes);
 
 		if (isError($result)) {
 			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
@@ -75,8 +79,9 @@ class BetriebsmittelP extends FHCAPI_Controller
 			'required' => $this->p->t('ui', 'error_fieldRequired')
 		]);
 
-		$this->form_validation->set_rules('kaution', 'Kaution', 'numeric|less_than_equal_to[9999.99]', [
-			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric')
+		$this->form_validation->set_rules('kaution', 'Kaution', 'callback_valid_number|callback_not_less_than_equal', [
+			'valid_number' => $this->p->t('ui', 'error_fieldNoValidNumber'),
+			'not_less_than_equal' => $this->p->t('ui', 'error_fieldLessThan1000'),
 		]);
 
 		$this->form_validation->set_rules('ausgegebenam', 'Ausgegeben am', 'required|is_valid_date', [
@@ -158,6 +163,7 @@ class BetriebsmittelP extends FHCAPI_Controller
 		], [
 			'uid_in_person' => $this->p->t('person', 'error_uidNotInPerson')
 		]);
+
 		$this->validateNewOrUpdate();
 
 		$betriebsmitteltyp = $this->input->post('betriebsmitteltyp');
@@ -167,6 +173,7 @@ class BetriebsmittelP extends FHCAPI_Controller
 		$betriebsmittel_id = $this->input->post('betriebsmittel_id');
 		$anmerkung = $this->input->post('anmerkung');
 		$kaution = $this->input->post('kaution');
+		if($kaution) $kaution = str_replace(',', '.', $kaution);
 		$ausgegebenam = $this->input->post('ausgegebenam');
 		$retouram = $this->input->post('retouram');
 		$uid = $this->input->post('uid');
@@ -250,6 +257,7 @@ class BetriebsmittelP extends FHCAPI_Controller
 		$betriebsmittel_id = $this->input->post('betriebsmittel_id');
 		$anmerkung = $this->input->post('anmerkung');
 		$kaution = $this->input->post('kaution');
+		if($kaution) $kaution = str_replace(',', '.', $kaution);
 		$ausgegebenam = $this->input->post('ausgegebenam');
 		$retouram = $this->input->post('retouram');
 
@@ -342,7 +350,7 @@ class BetriebsmittelP extends FHCAPI_Controller
 			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Betriebsmittelperson_id']), self::ERROR_TYPE_GENERAL);
 		}
 
-		$this->terminateWithSuccess(current(getData($result)));
+		return $this->terminateWithSuccess(current(getData($result)));
 	}
 
 	public function deleteBetriebsmittel($betriebsmittelperson_id)
@@ -358,7 +366,7 @@ class BetriebsmittelP extends FHCAPI_Controller
 		if (!hasData($result)) {
 			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Betriebsmittelperson_id']), self::ERROR_TYPE_GENERAL);
 		}
-		return $this->outputJsonSuccess(current(getData($result)));
+		$this->terminateWithSuccess(current(getData($result)));
 	}
 
 	public function getTypenBetriebsmittel()
@@ -366,6 +374,12 @@ class BetriebsmittelP extends FHCAPI_Controller
 		$this->load->model('ressource/Betriebsmitteltyp_model', 'BetriebsmitteltypModel');
 
 		$this->BetriebsmitteltypModel->addOrder('beschreibung', 'ASC');
+
+		if ($this->input->get('betriebsmitteltypes') !== null && !isEmptyArray($this->input->get('betriebsmitteltypes')))
+		{
+			$this->BetriebsmitteltypModel->db->where_in('betriebsmitteltyp', $this->input->get('betriebsmitteltypes'));
+		}
+
 		$result = $this->BetriebsmitteltypModel->load(); // load All
 
 		if (isError($result)) {
@@ -382,6 +396,26 @@ class BetriebsmittelP extends FHCAPI_Controller
 
 		$this->terminateWithSuccess($data);
 	}
+
+	public function valid_number($number)
+	{
+		if(is_null($number)) return true;
+		$number = str_replace(',', '.', $number);
+		if (!is_numeric($number))
+		{
+			return false;
+		}
+		return true;
+	}
+
+	public function not_less_than_equal($number)
+	{
+		$number = str_replace(',', '.', $number);
+		if ($number < 1000)
+			return true;
+		return false;
+
+	}
 }
 
 

application/controllers/api/frontend/v1/checkperson/CheckPerson.php

@@ -0,0 +1,141 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class CheckPerson extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'updatePersonUnrulyStatus' => array('basis/mitarbeiter:rw', 'student/antragfreigabe:rw', 'student/studierendenantrag:rw'),
+			'filterPerson' => array('basis/mitarbeiter:rw', 'student/antragfreigabe:rw', 'student/studierendenantrag:rw'),
+			'checkUnruly' => array('basis/mitarbeiter:r', 'student/antragfreigabe:r', 'student/studierendenantrag:r', 'infocenter:r'),
+			'checkDuplicate' => array('infocenter:r'),
+		]);
+
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('person/Person_model', 'PersonModel');
+	}
+
+	public function updatePersonUnrulyStatus()
+	{
+		$data = json_decode($this->input->raw_input_stream, true);
+
+		$person_id = $data['person_id'];
+		$unruly = $data['unruly'];
+
+		$result = $this->_ci->PersonModel->updateUnruly($person_id, $unruly);
+
+		if(isError($result)) {
+			$this->terminateWithError($result);
+		} else if (isSuccess($result)) {
+			$this->terminateWithSuccess($result);
+		}
+
+	}
+
+	public function checkDuplicate() {
+
+		$person_id = $this->input->post('person_id');
+
+		$result = $this->_ci->PersonModel->checkDuplicate($person_id);
+
+		if (isSuccess($result))
+			$this->terminateWithSuccess($result);
+		else
+			$this->terminateWithError('Error when searching for person');
+
+	}
+
+	// performs strict check over vorname, nachname, gebdatum
+	public function checkUnruly() {
+
+		$vorname = $this->input->post('vorname');
+		$nachname = $this->input->post('nachname');
+		$gebdatum = $this->input->post('gebdatum');
+
+		$result = $this->_ci->PersonModel->checkUnruly($vorname, $nachname, $gebdatum);
+
+		if (isSuccess($result))
+			$this->terminateWithSuccess($result);
+		else
+			$this->terminateWithError('Error when searching for person');
+	}
+
+	// filters nachname on similarity and vorname/gebdatum are optional
+	public function filterPerson() {
+		$payload = json_decode($this->input->raw_input_stream, TRUE);
+
+		$nachnameString = '';
+		$vornameString = '';
+		$filterUnruly = true;
+		$birthdateString = '';
+
+		if(array_key_exists( 'nachname', $payload) ) {
+			$nachnameString = $payload['nachname'];
+		}
+
+		if(array_key_exists('vorname', $payload)) {
+			$vornameString = $payload['vorname'];
+		}
+
+		if(array_key_exists('unruly', $payload)){
+			$filterUnruly = $payload['unruly'];
+		}
+
+		if(array_key_exists('gebdatum', $payload)) {
+			// TODO: enable if gebdatum filter for unrulys is desired
+//				$birthdateString = $payload['gebdatum'];
+		}
+
+		$parametersArray = array($nachnameString);
+		$where ="p.nachname~* ? ";
+		if (mb_strlen($nachnameString) == 2)
+		{
+			$where = "p.nachname=? ";
+		}
+
+		if(isset($vornameString) && $vornameString != '')
+		{
+			$where.= " AND p.vorname~*?";
+			$parametersArray[] = $vornameString;
+		}
+
+		if(isset($birthdateString) && $birthdateString != '')
+		{
+			$where.=" AND p.gebdatum=?";
+			$parametersArray[] = $birthdateString;
+		}
+
+		if(isset($filterUnruly))
+		{
+			$where.=" AND p.unruly=?";
+			$parametersArray[] = $filterUnruly;
+		}
+
+		$result = $this->_ci->PersonModel->checkUnrulyWhere($where, $parametersArray);
+
+		if (isSuccess($result))
+			$this->terminateWithSuccess($result);
+		else
+			$this->terminateWithError('Error when searching for person');
+
+
+	}
+}

application/controllers/api/frontend/v1/education/Lehrveranstaltung.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package		FHC-API
+ * @author		FHC-Team
+ * @copyright	Copyright (c) 2016, fhcomplete.org
+ * @license		GPLv3
+ * @link		http://fhcomplete.org
+ * @since		Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Lehrveranstaltung extends FHCAPI_Controller
+{
+	/**
+	 * Lehrveranstaltung API constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct(array(
+			'getTemplateLvTree' => array(
+			    'lehre/lehrveranstaltung:rw'
+			)
+		));
+
+		// Load model LehrveranstaltungModel
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+	}
+
+	/**
+	 * Get all Templates and union with all Lehrveranstaltungen of given Studiensemester and Oes of given Berechtigung,
+	 * that are assigned to a template. This data structure can be used for nested tabulators' data tree.
+	 *
+	 * @param null|string $studiensemester_kurzbz
+	 * @param null|string $berechtigung
+	 * @return array|stdClass|null
+	 */
+	public function getTemplateLvTree()
+	{
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+		$berechtigung = $this->input->get('berechtigung');
+
+		if ($berechtigung)
+		{
+			$oe_permissions = $this->permissionlib->getOE_isEntitledFor($berechtigung);
+			if(!$oe_permissions) $oe_permissions = [];
+
+			$result = $this->LehrveranstaltungModel->getTemplateLvTree($studiensemester_kurzbz, $oe_permissions);
+		}
+		else
+		{
+			$result = $this->LehrveranstaltungModel->getTemplateLvTree($studiensemester_kurzbz);
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+}

application/controllers/api/frontend/v1/funktionen/Funktionen.php

@@ -0,0 +1,328 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Funktionen extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		//TODO(Manu) check permissions
+		parent::__construct(array(
+				'getAllFunctions' =>  ['admin:r', 'assistenz:r'],
+				'getAllUserFunctions' =>  ['admin:r', 'assistenz:r'],
+				'getOrgHeads' =>  ['admin:r', 'assistenz:r'],
+				'getOrgetsForCompany' => ['admin:r', 'assistenz:r'],
+				'getAllOrgUnits' => ['admin:r', 'assistenz:r'],
+				'loadFunction' => ['admin:r', 'assistenz:r'],
+				'insertFunction' => ['admin:rw', 'assistenz:rw'],
+				'updateFunction' => ['admin:rw', 'assistenz:rw'],
+				'deleteFunction' => ['admin:rw', 'assistenz:rw'],
+			)
+		);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+		]);
+
+		// Load models
+		$this->load->model('extensions/FHC-Core-Personalverwaltung/Api_model', 'ApiModel');
+		$this->load->model('ressource/Funktion_model', 'FunktionModel');
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+
+		$this->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
+	}
+
+	public function getAllFunctions()
+	{
+		$this->FunktionModel->addSelect("funktion_kurzbz");
+		$this->FunktionModel->addSelect("beschreibung");
+		$this->FunktionModel->addSelect("aktiv");
+		$this->FunktionModel->addSelect("beschreibung AS label");
+		$this->FunktionModel->addOrder("beschreibung");
+		$result = $this->FunktionModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getOrgHeads()
+	{
+		$result = $this->OrganisationseinheitModel->getHeads();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getAllUserFunctions($uid)
+	{
+		if(!$uid)
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'UID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$sql = "
+			SELECT
+				dv.dienstverhaeltnis_id,
+				un.bezeichnung || ' (' || TO_CHAR(dv.von, 'DD.MM.YYYY') || CASE WHEN dv.bis IS NOT NULL THEN ' - ' 
+				 || TO_CHAR(dv.bis, 'DD.MM.YYYY') ELSE '' END || ')' AS dienstverhaeltnis_unternehmen ,
+				'[' || oet.bezeichnung || '] ' || oe.bezeichnung AS funktion_oebezeichnung,
+				f.beschreibung AS funktion_beschreibung,
+				bf.*,
+				fb.bezeichnung AS fachbereich_bezeichnung,
+			    CASE
+					WHEN
+						bf.datum_bis IS NOT NULL AND bf.datum_bis::date < now()::date
+					THEN
+						false
+					ELSE
+						true
+				END aktiv
+			FROM
+				public.tbl_benutzerfunktion bf
+			JOIN
+				public.tbl_organisationseinheit oe ON oe.oe_kurzbz = bf.oe_kurzbz
+			JOIN
+				public.tbl_organisationseinheittyp oet ON oe.organisationseinheittyp_kurzbz = oet.organisationseinheittyp_kurzbz
+            JOIN
+				public.tbl_funktion f ON f.funktion_kurzbz = bf.funktion_kurzbz
+			LEFT JOIN
+				hr.tbl_vertragsbestandteil_funktion vf ON vf.benutzerfunktion_id = bf.benutzerfunktion_id
+			LEFT JOIN
+				hr.tbl_vertragsbestandteil v ON vf.vertragsbestandteil_id = v.vertragsbestandteil_id
+			LEFT JOIN
+				hr.tbl_dienstverhaeltnis dv ON v.dienstverhaeltnis_id = dv.dienstverhaeltnis_id
+			LEFT JOIN
+				public.tbl_organisationseinheit un ON dv.oe_kurzbz = un.oe_kurzbz
+			LEFT JOIN
+				public.tbl_fachbereich fb ON fb.fachbereich_kurzbz = bf.fachbereich_kurzbz
+            WHERE
+				bf.uid = ?
+            ORDER BY
+				bf.datum_von, bf.datum_von ASC";
+
+		$benutzerfunktionen = $this->BenutzerfunktionModel->execReadOnlyQuery($sql, array($uid));
+		$data = $this->getDataOrTerminateWithError($benutzerfunktionen);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/*
+	 * returns list of all organisation units
+	 * as key value list to be used in select or autocomplete
+	 */
+	public function getAllOrgUnits()
+	{
+		$sql = "
+			SELECT
+				oe.oe_kurzbz, oe.aktiv,
+				'[' || COALESCE(oet.bezeichnung, oet.organisationseinheittyp_kurzbz) ||
+				'] ' || COALESCE(oe.bezeichnung, oe.oe_kurzbz) AS label
+			FROM public.tbl_organisationseinheit oe
+			JOIN public.tbl_organisationseinheittyp oet ON oe.organisationseinheittyp_kurzbz = oet.organisationseinheittyp_kurzbz
+			ORDER BY oet.bezeichnung ASC, oe.bezeichnung ASC";
+
+		$result = $this->OrganisationseinheitModel->execReadOnlyQuery($sql);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/*
+	 * return list of child orgets for a given company orget_kurzbz
+	 * as key value list to be used in select or autocomplete
+	 */
+	public function getOrgetsForCompany($companyOrgetkurzbz = null)
+	{
+		$sql = "
+			SELECT
+				oe.oe_kurzbz, oe.aktiv,
+				'[' || COALESCE(oet.bezeichnung, oet.organisationseinheittyp_kurzbz) ||
+				'] ' || COALESCE(oe.bezeichnung, oe.oe_kurzbz) AS label
+			FROM (
+					WITH RECURSIVE oes(oe_kurzbz, oe_parent_kurzbz) as
+					(
+						SELECT oe_kurzbz, oe_parent_kurzbz FROM public.tbl_organisationseinheit
+						WHERE oe_kurzbz=?
+						UNION ALL
+						SELECT o.oe_kurzbz, o.oe_parent_kurzbz FROM public.tbl_organisationseinheit o, oes
+						WHERE o.oe_parent_kurzbz=oes.oe_kurzbz
+					)
+					SELECT oe_kurzbz
+					FROM oes
+					GROUP BY oe_kurzbz
+			) c
+			JOIN public.tbl_organisationseinheit oe ON oe.oe_kurzbz = c.oe_kurzbz
+			JOIN public.tbl_organisationseinheittyp oet ON oe.organisationseinheittyp_kurzbz = oet.organisationseinheittyp_kurzbz
+			ORDER BY oet.bezeichnung ASC, oe.bezeichnung ASC";
+
+		$childorgets = $this->OrganisationseinheitModel->execReadOnlyQuery($sql, array($companyOrgetkurzbz));
+		$data = $this->getDataOrTerminateWithError($childorgets);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadFunction($benutzerfunktion_id)
+	{
+		$this->BenutzerfunktionModel->addSelect("*");
+		$result = $this->BenutzerfunktionModel->loadWhere(
+			array('benutzerfunktion_id' => $benutzerfunktion_id)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function insertFunction()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$uid = $this->input->post('uid');
+
+		if(!$uid)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'UID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+
+		$datum_von = $formData['datum_von'] ?? null;
+		$datum_bis = $formData['datum_bis'] ?? null;
+		$formData['oe_kurzbz'] = is_array($formData['oe_kurzbz']) ? $formData['oe_kurzbz']['oe_kurzbz'] : $formData['oe_kurzbz'];
+		$formData['funktion_kurzbz'] = is_array($formData['funktion_kurzbz'])
+			? $formData['funktion_kurzbz']['funktion_kurzbz']
+			: $formData['funktion_kurzbz'];
+		$bezeichnung = $formData['bezeichnung'] ?? null;
+		$wochenstunden = $formData['wochenstunden'] ?? null;
+
+		$this->form_validation->set_data($formData);
+		$this->form_validation->set_rules('datum_von', 'VonDatum', 'required|is_valid_date', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'VonDatum']),
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'VonDatum'])
+		]);
+		$this->form_validation->set_rules('datum_bis', 'BisDatum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'BisDatum'])
+		]);
+		$this->form_validation->set_rules('oe_kurzbz', 'Organisationseinheit', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Organisationseinheit'])
+		]);
+		$this->form_validation->set_rules('funktion_kurzbz', 'Funktion', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Funktion'])
+		]);
+		$this->form_validation->set_rules('wochenstunden', 'Wochenstunden', 'numeric', [
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Wochenstunden'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->BenutzerfunktionModel->insert([
+			'uid' => $uid,
+			'datum_von' => $datum_von,
+			'datum_bis' => $datum_bis ,
+			'oe_kurzbz' => 	$formData['oe_kurzbz'],
+			'funktion_kurzbz' => $formData['funktion_kurzbz'],
+			'bezeichnung' => $bezeichnung,
+			'wochenstunden' => $wochenstunden,
+			'insertamum' => date('c'),
+			'insertvon' => $authUID,
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateFunction()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$uid = $this->input->post('uid');
+
+		if(!$uid)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'UID']), self::ERROR_TYPE_GENERAL);
+		}
+		$benutzerfunktion_id = $this->input->post('benutzerfunktion_id');
+
+		if(!$benutzerfunktion_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Benutzerfunktion ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+
+		$datum_von = $formData['datum_von'] ?? null;
+		$datum_bis = $formData['datum_bis'] ?? null;
+		$formData['oe_kurzbz'] = is_array($formData['oe_kurzbz']) ? $formData['oe_kurzbz']['oe_kurzbz'] : $formData['oe_kurzbz'];
+		$formData['funktion_kurzbz'] = is_array($formData['funktion_kurzbz'])
+			? $formData['funktion_kurzbz']['funktion_kurzbz']
+			: $formData['funktion_kurzbz'];
+		$bezeichnung = $formData['bezeichnung'] ?? null;
+		$wochenstunden = $formData['wochenstunden'] ?? null;
+
+		$this->form_validation->set_data($formData);
+		$this->form_validation->set_rules('datum_von', 'VonDatum', 'required|is_valid_date', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'VonDatum']),
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'VonDatum'])
+		]);
+		$this->form_validation->set_rules('datum_bis', 'BisDatum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'BisDatum'])
+		]);
+		$this->form_validation->set_rules('oe_kurzbz', 'Organisationseinheit', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Organisationseinheit'])
+		]);
+		$this->form_validation->set_rules('funktion_kurzbz', 'Funktion', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Funktion'])
+		]);
+		$this->form_validation->set_rules('wochenstunden', 'Wochenstunden', 'numeric', [
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Wochenstunden'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->BenutzerfunktionModel->update(
+			[
+				'benutzerfunktion_id' => $benutzerfunktion_id,
+			],
+			[
+				'uid' => $uid,
+				'datum_von' => $datum_von,
+				'datum_bis' => $datum_bis ,
+				'oe_kurzbz' => 	$formData['oe_kurzbz'],
+				'funktion_kurzbz' => $formData['funktion_kurzbz'],
+				'bezeichnung' => $bezeichnung,
+				'wochenstunden' => $wochenstunden,
+				'updateamum' => date('c'),
+				'updatevon' => $authUID,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteFunction($benutzerfunktion_id)
+	{
+		$result = $this->BenutzerfunktionModel->delete(
+			array('benutzerfunktion_id' => $benutzerfunktion_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/lv/DirektGruppe.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class DirektGruppe extends FHCAPI_Controller
+{
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'delete' => ['admin:rw', 'assistenz:rw'],
+			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+
+		$this->loadPhrases([
+			'ui'
+		]);
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	public function add()
+	{
+		$uid = $this->input->post('uid');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		$this->checkPermission($lehreinheit_id, $uid);
+
+		$result = $this->_ci->LehreinheitgruppeModel->direktUserAdd($uid, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function delete()
+	{
+		$uid = $this->input->post('uid');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		$this->checkPermission($lehreinheit_id, $uid);
+
+		$result = $this->_ci->LehreinheitgruppeModel->direktUserDelete($uid, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getByLehreinheit($lehreinheit_id = null)
+	{
+		$this->checkPermission($lehreinheit_id);
+		$gruppen = $this->_ci->LehreinheitgruppeModel->getDirectGroup($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($gruppen) ? getData($gruppen) : array());
+	}
+
+	private function checkPermission($lehreinheit_id, $uid = false)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if ($uid)
+		{
+			$benuzuer_result = $this->_ci->BenutzerModel->load(array($uid));
+			if (!hasData($benuzuer_result) || isError($benuzuer_result))
+				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+}

application/controllers/api/frontend/v1/lv/Favorites.php

@@ -0,0 +1,47 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Favorites extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => self::PERM_LOGGED,
+			'set' => self::PERM_LOGGED
+		]);
+
+		// Load models
+		$this->load->model('system/Variable_model', 'VariableModel');
+	}
+
+	public function index()
+	{
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['lv_favorites']);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			$this->terminateWithSuccess(null);
+		else
+			$this->terminateWithSuccess(isset($data['lv_favorites']) ? $data['lv_favorites'] : null);
+	}
+
+	public function set()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('favorites', 'Favorites', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$favorites = $this->input->post('favorites');
+
+		$result = $this->VariableModel->setVariable(getAuthUID(), 'lv_favorites', $favorites);
+
+		$this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess(true);
+	}
+}

application/controllers/api/frontend/v1/lv/Gruppe.php

@@ -0,0 +1,250 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Gruppe extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'delete' => ['admin:rw', 'assistenz:rw'],
+			'deleteFromLVPlan' => ['admin:rw', 'assistenz:rw'],
+			'getBenutzerSearch' => ['admin:r', 'assistenz:r'],
+			'getAllSearch' => ['admin:r', 'assistenz:r'],
+			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('PhrasesLib');
+		$this->loadPhrases(
+			array(
+				'ui',
+				'lehre'
+			)
+		);
+
+		$this->_ci->load->model('organisation/Gruppe_model', 'GruppeModel');
+		$this->_ci->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('person/Person_model', 'PersonModel');
+		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
+	}
+
+	public function delete()
+	{
+		$lehreinheitgruppe_id = $this->input->post('lehreinheitgruppe_id');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id) || is_null($lehreinheitgruppe_id) || !ctype_digit((string)$lehreinheitgruppe_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheitgruppe_result = $this->_ci->LehreinheitgruppeModel->loadWhere(array('lehreinheitgruppe_id' => $lehreinheitgruppe_id));
+		if (!hasData($lehreinheitgruppe_result) || isError($lehreinheitgruppe_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->LehreinheitgruppeModel->deleteGroup($lehreinheit_id, $lehreinheitgruppe_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function add()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$gid = $this->input->post('gid');
+		$lehrverband = $this->input->post('lehrverband');
+
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id) || is_null($gid) || !ctype_digit((string)$gid) || is_null($lehrverband))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, !($lehrverband === 'false'));
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getByLehreinheit($lehreinheit_id = null)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$gruppen = $this->_ci->LehreinheitgruppeModel->getByLehreinheit($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($gruppen) ? getData($gruppen) : array());
+	}
+
+	public function deleteFromLVPlan()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$lehreinheitgruppe_id = $this->input->post('lehreinheitgruppe_id');
+
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id) || is_null($lehreinheitgruppe_id) || !ctype_digit((string)$lehreinheitgruppe_id))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheitgruppe_result = $this->_ci->LehreinheitgruppeModel->loadWhere(array('lehreinheitgruppe_id' => $lehreinheitgruppe_id));
+		if (!hasData($lehreinheitgruppe_result) || isError($lehreinheitgruppe_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->StundenplandevModel->deleteGroupPlanning($lehreinheit_id, $lehreinheitgruppe_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+
+	public function getAllSearch()
+	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
+		$this->_ci->GruppeModel->addSelect('gruppe_kurzbz,
+											studiengang_kz,
+											semester,
+											bezeichnung,
+											gid,
+											\'false\' as lehrverband');
+		$this->_ci->GruppeModel->db->where(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
+		$this->_ci->GruppeModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->GruppeModel->db->group_start();
+			$this->_ci->GruppeModel->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->group_end();
+		}
+		$this->_ci->GruppeModel->db->group_end();
+
+		$gruppen_result = $this->_ci->GruppeModel->load();
+
+		$gruppen_array = array();
+
+		if (isError($gruppen_result))
+			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
+
+		if (hasData($gruppen_result))
+			$gruppen_array = getData($gruppen_result);
+
+		$this->_ci->LehrverbandModel->addSelect('CONCAT(UPPER(CONCAT(typ, kurzbz)), \'\', semester, verband, COALESCE(gruppe,\'\')) as gruppe_kurzbz,
+												studiengang_kz,
+												semester,
+												tbl_lehrverband.bezeichnung,
+												gid,
+												\'true\' as lehrverband');
+		$this->_ci->LehrverbandModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+		$this->_ci->LehrverbandModel->addOrder('verband');
+		$this->_ci->LehrverbandModel->addOrder('gruppe');
+		$this->_ci->LehrverbandModel->db->where(array('tbl_lehrverband.aktiv' => true));
+
+		$this->_ci->LehrverbandModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->LehrverbandModel->db->group_start();
+			$this->_ci->LehrverbandModel->db->where('CONCAT(CONCAT(typ, kurzbz), \'\', semester, verband, COALESCE(gruppe,\'\')) ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->or_where('tbl_lehrverband.bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->group_end();
+		}
+		$this->_ci->LehrverbandModel->db->group_end();
+		$lehrverband_result = $this->_ci->LehrverbandModel->load();
+
+		$lehrverband_array = array();
+
+		if (isError($lehrverband_result))
+			$this->terminateWithError(getError($lehrverband_result), self::ERROR_TYPE_GENERAL);
+
+		if (hasData($lehrverband_result))
+			$lehrverband_array = getData($lehrverband_result);
+
+		$all_gruppen = array_merge($gruppen_array, $lehrverband_array);
+
+		$this->terminateWithSuccess($all_gruppen);
+	}
+
+	public function getBenutzerSearch()
+	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
+		$this->_ci->PersonModel->addSelect('vorname, nachname, uid, semester, UPPER(CONCAT(tbl_studiengang.typ, tbl_studiengang.kurzbz)) as studiengang');
+		$this->_ci->PersonModel->addJoin('public.tbl_benutzer', 'person_id');
+		$this->_ci->PersonModel->addJoin('public.tbl_mitarbeiter', 'uid = mitarbeiter_uid', 'LEFT');
+		$this->_ci->PersonModel->addJoin('public.tbl_student', 'uid = student_uid', 'LEFT');
+		$this->_ci->PersonModel->addJoin('public.tbl_studiengang', 'studiengang_kz', 'LEFT');
+
+		$this->_ci->PersonModel->db->where(array('tbl_benutzer.aktiv' => true));
+
+		$this->_ci->PersonModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->PersonModel->db->group_start();
+			$this->_ci->PersonModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('uid ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('CONCAT(tbl_studiengang.typ, tbl_studiengang.kurzbz) ILIKE', "%" . $word . "%");
+
+			if (is_numeric($word))
+			{
+				$this->_ci->PersonModel->db->or_where('semester', $word);
+			}
+			$this->_ci->PersonModel->db->group_end();
+		}
+		$this->_ci->PersonModel->db->group_end();
+		$personen = $this->_ci->PersonModel->load();
+		$this->terminateWithSuccess(hasData($personen) ? getData($personen) : array());
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+
+	private function checkPermission($lehreinheit_id)
+	{
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+
+}

application/controllers/api/frontend/v1/lv/Lehreinheit.php

@@ -0,0 +1,478 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lehreinheit extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw',  'assistenz:rw'],
+			'copy' => ['admin:rw',  'assistenz:rw'],
+			'delete' => ['admin:rw',  'assistenz:rw'],
+			'update' => ['admin:rw',  'assistenz:rw'],
+
+			'get' =>  ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+			'getLehrfach' => ['admin:r', 'assistenz:r'],
+			'getSprache' => ['admin:r', 'assistenz:r'],
+			'getRaumtyp' => ['admin:r', 'assistenz:r'],
+			'getLehrform' => ['admin:r', 'assistenz:r']
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->library('PhrasesLib');
+		$this->loadPhrases(
+			array(
+				'global',
+				'ui'
+			)
+		);
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+	}
+
+	public function get($lehreinheit_id)
+	{
+		$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+		$lehreinheit->lehrfaecher = $this->getLehrfaecher($lehreinheit);
+		$this->terminateWithSuccess($lehreinheit);
+	}
+
+	private function getLehrfaecher($lehreinheit)
+	{
+		$lehrfacher_array = array($lehreinheit->lehrfach_id);
+		$this->_ci->LehreinheitModel->addSelect('lehrveranstaltung_id_kompatibel');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung_kompatibel', 'lehrveranstaltung_id');
+		$lehrfaecher = $this->_ci->LehreinheitModel->loadWhere(array('lehrveranstaltung_id' => $lehreinheit->lehrveranstaltung_id));
+
+
+		if (hasData($lehrfaecher))
+			$lehrfaecher_array = array_merge($lehrfacher_array, array_column(getData($lehrfaecher), 'lehrveranstaltung_id_kompatibel'));
+
+		$lehrfaecher_array[] = $lehreinheit->lehrveranstaltung_id;
+
+		$this->_ci->LehrveranstaltungModel->addDistinct('lehrfach_id');
+		$this->_ci->LehrveranstaltungModel->addSelect("tbl_lehrveranstaltung.lehrveranstaltung_id, CONCAT(tbl_lehrveranstaltung.bezeichnung || '(' || tbl_lehrveranstaltung.oe_kurzbz || ')') as lehrfach");
+		$this->_ci->LehrveranstaltungModel->db->where_in('tbl_lehrveranstaltung.lehrveranstaltung_id', $lehrfaecher_array);
+		$lehrfaecher_result = $this->_ci->LehrveranstaltungModel->load();
+
+		return hasData($lehrfaecher_result) ? getData($lehrfaecher_result) : array();
+	}
+
+	public function add()
+	{
+		$lehrveranstaltung_id = $this->input->post('lehrveranstaltung_id');
+
+		if (is_null($lehrveranstaltung_id) || !ctype_digit((string)$lehrveranstaltung_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehrveranstaltung_result = $this->_ci->LehrveranstaltungModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung_id));
+
+		if (!hasData($lehrveranstaltung_result) || isError($lehrveranstaltung_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehrveranstaltung = getData($lehrveranstaltung_result)[0];
+
+		$oe_result = $this->_ci->LehrveranstaltungModel->getAllOe($lehrveranstaltung->lehrveranstaltung_id);
+		$oe_array = hasData($oe_result) ? array_column(getData($oe_result), 'oe_kurzbz') : array();
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$this->_ci->load->library('form_validation');
+
+		$updatableFields = array(
+			'lehrveranstaltung_id',
+			'studiensemester_kurzbz',
+			'lehrfach_id',
+			'lehrform_kurzbz',
+			'stundenblockung',
+			'wochenrythmus',
+			'gewicht',
+			'start_kw',
+			'raumtyp',
+			'raumtypalternativ',
+			'sprache',
+			'lehre',
+			'anmerkung',
+			'lvnr',
+			'unr',
+		);
+
+		foreach ($updatableFields as $field)
+		{
+			switch ($field) {
+				case 'lehrveranstaltung_id':
+					$this->form_validation->set_rules($field, 'Lehrveranstaltung ID', 'required|integer');
+					break;
+				case 'studiensemester_kurzbz':
+					$this->form_validation->set_rules($field, 'Studiensemester', 'required|max_length[16]');
+					break;
+				case 'lehrfach_id':
+					$this->form_validation->set_rules($field, 'Lehrfach ID', 'required|integer');
+					break;
+				case 'lehrform_kurzbz':
+					$this->form_validation->set_rules($field, 'Lehrform', 'required|max_length[8]');
+					break;
+				case 'stundenblockung':
+					$this->form_validation->set_rules($field, 'Stundenblockung', 'required|integer|greater_than_equal_to[0]');
+					break;
+				case 'wochenrythmus':
+					$this->form_validation->set_rules($field, 'Wochenrhytmus', 'required|integer|greater_than_equal_to[0]');
+					break;
+				case 'start_kw':
+					$this->form_validation->set_rules($field, 'Start KW', 'integer|greater_than[0]|less_than_equal_to[53]');
+					break;
+				case 'gewicht':
+					$this->form_validation->set_rules($field, 'Gewicht', 'numeric');
+					break;
+				case 'raumtyp':
+					$this->form_validation->set_rules($field, 'Raumtyp', 'required|max_length[16]');
+					break;
+				case 'raumtypalternativ':
+					$this->form_validation->set_rules($field, 'Raumtyp Alternativ', 'required|max_length[16]');
+					break;
+				case 'sprache':
+					$this->form_validation->set_rules($field, 'Sprache', 'required|max_length[16]');
+					break;
+				case 'lvnr':
+					$this->form_validation->set_rules($field, 'LVNR', 'integer');
+					break;
+				case 'unr':
+					$this->form_validation->set_rules($field, 'UNR', 'integer');
+					break;
+				case 'lehre':
+					$this->form_validation->set_rules($field, 'Lehre', 'trim');
+					break;
+				case 'anmerkung':
+					$this->form_validation->set_rules($field, 'Anmerkung', 'trim');
+					break;
+			}
+		}
+
+		if ($this->form_validation->run() === false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$updateData = array();
+		foreach ($updatableFields as $field)
+		{
+			$value = $this->input->post($field);
+
+			if ($field === 'lehre')
+			{
+				$value = (bool)$value;
+			}
+			if ($value !== null)
+			{
+				$updateData[$field] = $value;
+			}
+		}
+
+		$updateData['insertvon'] = $this->_uid;
+		$updateData['insertamum'] = date('Y-m-d H:i:s');
+
+		$result = $this->_ci->LehreinheitModel->insert(
+			$updateData
+		);
+
+		if (!isset($updateData['unr']))
+		{
+			$unr = getData($result);
+			$this->_ci->LehreinheitModel->update($unr, array('unr' => $unr));
+		}
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function copy()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$art = $this->input->post('art');
+
+		$lehreinheit_old = $this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_old->lehreinheit_id);
+
+		$lehreinheit_new = $lehreinheit_old;
+
+		$lehreinheit_new->unr = null;
+		unset($lehreinheit_new->lehreinheit_id);
+		$lehreinheit_new->updateamum = date('Y-m-d H:i:s');
+		$lehreinheit_new->updatevon = $this->_uid;
+		$lehreinheit_new->insertamum = date('Y-m-d H:i:s');
+		$lehreinheit_new->insertvon = $this->_uid;
+
+		$insert_result = $this->_ci->LehreinheitModel->insert($lehreinheit_new);
+
+		if (isError($insert_result))
+			$this->terminateWithError(getError($insert_result), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_id_new = getData($insert_result);
+
+		$this->_ci->LehreinheitModel->update(array('lehreinheit_id' => $lehreinheit_id_new), array('unr' => $lehreinheit_id_new));
+		if (in_array($art, array('gruppen', 'alle')))
+		{
+			$gruppen_result = $this->_ci->LehreinheitgruppeModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id));
+
+			if (isError($gruppen_result))
+				$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
+
+			if (hasData($gruppen_result))
+			{
+				$gruppen = getData($gruppen_result);
+
+				foreach ($gruppen as $gruppe)
+				{
+					$gruppe_new = $gruppe;
+					unset($gruppe_new->lehreinheitgruppe_id);
+					$gruppe_new->lehreinheit_id = $lehreinheit_id_new;
+					$gruppe_new->insertamum = date('Y-m-d H:i:s');
+					$gruppe_new->insertvon = $this->_uid;
+					$gruppe_new->updateamum = date('Y-m-d H:i:s');
+					$gruppe_new->updatevon = $this->_uid;
+
+					$gruppe_new_result = $this->_ci->LehreinheitgruppeModel->insert($gruppe_new);
+
+					if (isError($gruppe_new_result))
+						$this->terminateWithError(getError($gruppe_new_result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+		}
+
+		if (in_array($art, array('lektoren', 'alle')))
+		{
+			$lektoren_result = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id));
+
+			if (isError($lektoren_result))
+				$this->terminateWithError(getError($lektoren_result), self::ERROR_TYPE_GENERAL);
+
+			if (hasData($lektoren_result))
+			{
+				$lektoren = getData($lektoren_result);
+
+				foreach ($lektoren as $lektor)
+				{
+
+					$lektor_new = $lektor;
+					$lektor_new->lehreinheit_id = $lehreinheit_id_new;
+					$lektor_new->insertamum = date('Y-m-d H:i:s');
+					$lektor_new->insertvon = $this->_uid;
+					$lektor_new->updateamum = date('Y-m-d H:i:s');
+					$lektor_new->updatevon = $this->_uid;
+					unset($lektor_new->vertrag_id);
+
+					$lektor_new_result = $this->_ci->LehreinheitmitarbeiterModel->insert((array)$lektor_new);
+
+					if (isError($lektor_new_result))
+						$this->terminateWithError(getError($lektor_new_result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+		}
+
+		$this->terminateWithSuccess("Erfolgeich gespeichert");
+	}
+
+	public function delete()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		$errors = array();
+		if (is_array($lehreinheit_id))
+		{
+			foreach ($lehreinheit_id as $le_id)
+			{
+				$lehreinheit = $this->checkLehreinheit($le_id);
+				$this->checkPermission($lehreinheit->lehreinheit_id);
+
+				$result = $this->_ci->LehreinheitModel->deleteLehreinheit($lehreinheit->lehreinheit_id);
+
+				if (isError($result))
+				{
+					$errors[] = getError($result);
+				}
+			}
+		}
+		else
+		{
+			$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+			$this->checkPermission($lehreinheit->lehreinheit_id);
+
+			$result = $this->_ci->LehreinheitModel->deleteLehreinheit($lehreinheit->lehreinheit_id);
+
+			if (isError($result))
+				$this->terminateWithError(getError($result));
+		}
+
+		if (!isEmptyArray($errors))
+		{
+			if (count($errors) !== count($lehreinheit_id))
+				$this->terminateWithSuccess(array('errors' => $errors));
+			else
+				$this->terminateWithError($errors);
+		}
+		else
+			$this->terminateWithSuccess('Erfolgreich geloescht');
+	}
+
+	public function update()
+	{
+		$lehreinheit = $this->checkLehreinheit($this->input->post('lehreinheit_id'));
+
+		$this->checkPermission($lehreinheit->lehreinheit_id);
+
+		$this->_ci->load->library('form_validation');
+
+		$formData = $this->input->post('formData');
+
+		$updatableFields = array(
+			'lehrveranstaltung_id',
+			'studiensemester_kurzbz',
+			'lehrfach_id',
+			'lehrform_kurzbz',
+			'stundenblockung',
+			'wochenrythmus',
+			'gewicht',
+			'start_kw',
+			'raumtyp',
+			'raumtypalternativ',
+			'sprache',
+			'lehre',
+			'anmerkung',
+			'lvnr',
+			'unr',
+		);
+
+		$this->form_validation->set_data($formData);
+
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				switch ($field)
+				{
+					case 'lehrveranstaltung_id':
+						$this->form_validation->set_rules($field, 'Lehrveranstaltung ID', 'required|integer');
+						break;
+					case 'studiensemester_kurzbz':
+						$this->form_validation->set_rules($field, 'Studiensemester', 'required|max_length[16]');
+						break;
+					case 'lehrfach_id':
+						$this->form_validation->set_rules($field, 'Lehrfach ID', 'required|integer');
+						break;
+					case 'lehrform_kurzbz':
+						$this->form_validation->set_rules($field, 'Lehrform', 'required|max_length[8]');
+						break;
+					case 'stundenblockung':
+						$this->form_validation->set_rules($field, 'Stundenblockung', 'required|integer|greater_than_equal_to[0]');
+						break;
+					case 'wochenrythmus':
+						$this->form_validation->set_rules($field, 'Wochenrhytmus', 'required|integer|greater_than_equal_to[0]');
+						break;
+					case 'start_kw':
+						$this->form_validation->set_rules($field, 'Start KW', 'integer|greater_than[0]|less_than_equal_to[53]');
+						break;
+					case 'gewicht':
+						$this->form_validation->set_rules($field, 'Gewicht', 'numeric|greater_than_equal_to[0]');
+						break;
+					case 'raumtyp':
+						$this->form_validation->set_rules($field, 'Raumtyp', 'required|max_length[16]');
+						break;
+					case 'raumtypalternativ':
+						$this->form_validation->set_rules($field, 'Raumtyp Alternativ', 'required|max_length[16]');
+						break;
+					case 'sprache':
+						$this->form_validation->set_rules($field, 'Sprache', 'required|max_length[16]');
+						break;
+					case 'lvnr':
+						$this->form_validation->set_rules($field, 'LVNR', 'integer');
+						break;
+					case 'unr':
+						$this->form_validation->set_rules($field, 'UNR', 'integer|greater_than_equal_to[0]');
+						break;
+					case 'lehre':
+						$this->form_validation->set_rules($field, 'Lehre', 'trim');
+						break;
+					case 'anmerkung':
+						$this->form_validation->set_rules($field, 'Anmerkung', 'trim');
+						break;
+				}
+			}
+		}
+
+		if ($this->form_validation->run() === false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$updateData = [];
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				$updateData[$field] = $formData[$field];
+			}
+		}
+
+
+		$updateData['updatevon'] = $this->_uid;
+		$updateData['updateamum'] = date('Y-m-d H:i:s');
+		$result = $this->_ci->LehreinheitModel->update(
+			[
+				'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+			],
+			$updateData
+		);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		$this->terminateWithSuccess($this->p->t('global', 'gespeichert'));
+	}
+
+
+	private function checkPermission($lehreinheit_id)
+	{
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+	private function checkLehreinheit($lehreinheit_id)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return getData($lehreinheit_result)[0];
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

application/controllers/api/frontend/v1/lv/Lektor.php

@@ -0,0 +1,432 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lektor extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'update' => ['admin:rw', 'assistenz:rw'],
+			'cancelVertrag' => ['admin:rw', 'assistenz:rw'],
+			'deleteLVPlan' => ['admin:rw', 'assistenz:rw'],
+			'deletePerson' => ['admin:rw', 'assistenz:rw'],
+			'getLehrfunktionen' => ['admin:r', 'assistenz:r'],
+			'getLektorenSearch' => ['admin:r', 'assistenz:r'],
+			'getLektorenByLE' => ['admin:r', 'assistenz:r'],
+			'getLektorDaten' => ['admin:r', 'assistenz:r'],
+			'getLektorVertrag' => ['admin:r', 'assistenz:r'],
+
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->library('PermissionLib');
+		$this->_ci->load->library('LektorLib');
+		$this->_ci->load->library('form_validation');
+		$this->loadPhrases([
+			'ui'
+		]);
+
+		$this->_ci->load->model('accounting/Vertrag_model', 'VertragModel');
+		$this->_ci->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
+		$this->_ci->load->model('ressource/Stundensatz_model', 'StundensatzModel');
+
+	}
+
+	private function checkMitarbeiter($mitarbeiter_uid)
+	{
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+	}
+
+	public function add()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkMitarbeiter($mitarbeiter_uid);
+		$lehrfach_permission = $this->checkLehrfachPermission($lehreinheit_id, array('assistenz', 'admin'));
+		$lehreinheit_permission = $this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (!$lehrfach_permission && !$lehreinheit_permission)
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$result = $this->_ci->lektorlib->addLektorToLehreinheit($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($result)) $this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess("Erfolgreich gespeichert");
+	}
+
+	public function update()
+	{
+		$formData = $this->input->post('formData');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkMitarbeiter($mitarbeiter_uid);
+
+		$updatableFields = array(
+			'lehrfunktion_kurzbz',
+			'planstunden',
+			'stundensatz',
+			'faktor',
+			'anmerkung',
+			'bismelden',
+			'semesterstunden',
+			'mitarbeiter_uid'
+		);
+
+		$this->form_validation->set_data($formData);
+
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				switch ($field)
+				{
+					case 'lehrfunktion_kurzbz':
+						$this->form_validation->set_rules($field, 'Lehrfunktion', 'required|max_length[16]');
+						break;
+					case 'planstunden':
+						$this->form_validation->set_rules($field, 'Planstunden', 'integer|greater_than_equal_to[0]');
+						break;
+					case 'stundensatz':
+						$formData['stundensatz'] = str_replace(',', '.', $formData['stundensatz']);
+						$this->form_validation->set_rules($field, 'Stundensatz', 'callback__check_stundensatz');
+						break;
+					case 'faktor':
+						$this->form_validation->set_rules($field, 'Faktor', 'numeric|greater_than_equal_to[0]');
+						break;
+					case 'anmerkung':
+						$this->form_validation->set_rules($field, 'Anmerkung', 'max_length[256]');
+						break;
+					case 'bismelden':
+						$this->form_validation->set_rules($field, 'Bis Melden', 'trim');
+						break;
+					case 'semesterstunden':
+						$formData['semesterstunden'] = str_replace(',', '.', $formData['semesterstunden']);
+						$this->form_validation->set_rules($field, 'Semesterstunden', 'callback__check_semesterstunden');
+						break;
+					case 'mitarbeiter_uid':
+						$this->form_validation->set_rules($field, 'Semesterstunden', 'required|max_length[32]');
+						break;
+				}
+			}
+		}
+		if (!$this->form_validation->run())
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		if (isset($formData['semesterstunden']) && (!is_numeric($formData['semesterstunden']) || $formData['semesterstunden'] === ''))
+		{
+			$formData['semesterstunden'] = null;
+		}
+
+		$lehreinheit_permission = $this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (!$lehreinheit_permission)
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$result = $this->_ci->lektorlib->updateLektorFromLehreinheit($lehreinheit_id, $mitarbeiter_uid, $formData);
+
+		if (isError($result)) $this->terminateWithError(getError($result));
+		$this->terminateWithSuccess($result);
+	}
+
+	public function _check_stundensatz($value)
+	{
+		$value = str_replace(',', '.', $value);
+
+		if (!is_numeric($value))
+		{
+			$this->form_validation->set_message('_check_decimal', 'Das Feld {field} muss eine Zahl sein.');
+			return false;
+		}
+
+		if ($value < 0 || $value >= 10000) {
+			$this->form_validation->set_message('_check_decimal', 'Das Feld {field} muss zwischen 0 und 10000 liegen.');
+			return false;
+		}
+
+		return true;
+	}
+	public function _check_semesterstunden($value)
+	{
+		if ($value === null || $value === '') {
+			return true;
+		}
+
+		if (!is_numeric($value))
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} muss eine Zahl sein.'
+			);
+			return false;
+		}
+
+		if ($value < 0)
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} muss eine Zahl größer oder gleich 0 sein.'
+			);
+			return false;
+		}
+		if ($value > 999.99)
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} darf maximal 999,99 betragen.'
+			);
+			return false;
+		}
+
+		return true;
+	}
+	public function getLehrfunktionen()
+	{
+		$this->_ci->load->model('education/Lehrfunktion_model', 'LehrfunktionModel');
+		$this->_ci->LehrfunktionModel->addOrder('lehrfunktion_kurzbz');
+		$this->terminateWithSuccess(getData($this->_ci->LehrfunktionModel->load()));
+	}
+
+	public function getLektorenSearch()
+	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
+		$this->_ci->MitarbeiterModel->addSelect('uid, person_id, vorname, nachname');
+		$this->_ci->MitarbeiterModel->addJoin('public.tbl_benutzer', 'uid = mitarbeiter_uid');
+		$this->_ci->MitarbeiterModel->addJoin('public.tbl_person', 'person_id');
+
+		$this->_ci->MitarbeiterModel->db->where('public.tbl_benutzer.aktiv', true);
+
+		$this->_ci->MitarbeiterModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->MitarbeiterModel->db->group_start();
+			$this->_ci->MitarbeiterModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->or_where('uid ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->group_end();
+		}
+		$this->_ci->MitarbeiterModel->db->group_end();
+		$this->_ci->MitarbeiterModel->addOrder('nachname');
+		$this->_ci->MitarbeiterModel->addOrder('vorname');
+		$result = $this->_ci->MitarbeiterModel->load();
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
+	}
+
+	private function checkLehreinheit($lehreinheit_id)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return getData($lehreinheit_result)[0];
+
+	}
+	public function getLektorenByLE($lehreinheit_id = null)
+	{
+		$this->checkLehreinheit($lehreinheit_id);
+		$le_mitarbeiter_data = $this->_ci->LehreinheitmitarbeiterModel->getLektorenByLe($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($le_mitarbeiter_data) ? getData($le_mitarbeiter_data) : array());
+	}
+
+	public function getLektorDaten($lehreinheit_id = null, $mitarbeiter_uid = null)
+	{
+		$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('organisation/Studiensemester_model','StudiensemesterModel');
+		$studiensemester_result = $this->_ci->StudiensemesterModel->loadWhere(array('studiensemester_kurzbz' => $lehreinheit->studiensemester_kurzbz));
+		$studiensemester = getData($studiensemester_result)[0];
+
+		$defaultStundensatz = $this->_ci->StundensatzModel->getDefaultStundensatz($mitarbeiter_uid, $studiensemester->start, $studiensemester->ende, 'lehre');
+
+		$le_mitarbeiter_result = $this->_ci->LehreinheitmitarbeiterModel->getByLeLektor($lehreinheit_id, $mitarbeiter_uid);
+
+		$le_mitarbeiter_data = array();
+		if (hasData($le_mitarbeiter_result))
+		{
+			$le_mitarbeiter_data = getData($le_mitarbeiter_result)[0];
+			$le_mitarbeiter_data->default_stundensatz = $defaultStundensatz;
+		}
+		$vertrag = $this->getLektorVertrag($lehreinheit_id, $mitarbeiter_uid);
+		$le_mitarbeiter_data->vertrag = $vertrag;
+		$this->terminateWithSuccess($le_mitarbeiter_data);
+	}
+
+	private function getLektorVertrag($lehreinheit_id = null, $mitarbeiter_uid = null)
+	{
+		$this->_ci->load->model('accounting/Vertrag_model', 'VertragModel');
+		$vertrag = $this->_ci->VertragModel->getVertrag($mitarbeiter_uid, $lehreinheit_id);
+		return hasData($vertrag) ? getData($vertrag)[0] : null;
+	}
+
+	private function checkLehrfachPermission($lehreinheit_id, $permissions)
+	{
+		$lehrfach_oe_kurzbz = $this->_ci->LehreinheitModel->getLehrfachOe($lehreinheit_id);
+
+		if (isError($lehrfach_oe_kurzbz))
+			$this->terminateWithError(getError($lehrfach_oe_kurzbz), self::ERROR_TYPE_GENERAL);
+
+		$lehrfach_oe_kurzbz = array('');
+		if (hasData($lehrfach_oe_kurzbz))
+			$lehrfach_oe_kurzbz = array_column(getData($lehrfach_oe_kurzbz), 'oe_kurzbz');
+
+
+		return $this->checkPermissionGenerel($permissions, $lehrfach_oe_kurzbz);
+	}
+
+	private function checkPermissionGenerel($permissions, $oe_array)
+	{
+		$hasPermission = false;
+		foreach ($permissions as $permission)
+		{
+			if ($this->_ci->permissionlib->isBerechtigtMultipleOe($permission, $oe_array, 'suid'))
+			{
+				$hasPermission = true;
+				break;
+			}
+		}
+
+		return $hasPermission;
+	}
+
+	private function checkPermission($lehreinheit_id, $permissions)
+	{
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		return $this->checkPermissionGenerel($permissions, $oe_array);
+	}
+	public function cancelVertrag()
+	{
+		$vertrag_id = $this->input->post('vertrag_id');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('admin', 'lehre/lehrauftrag_bestellen'));
+
+		if (is_null($vertrag_id) || !ctype_digit((string)$vertrag_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$vertrag_result = $this->_ci->VertragModel->load($vertrag_id);
+
+		if (!hasData($vertrag_result) || isError($vertrag_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->_ci->VertragModel->cancelVertrag($vertrag_id, $mitarbeiter_uid);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function deletePerson()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$delete_result =$this->_ci->LehreinheitmitarbeiterModel->deleteLektorFromLe($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($delete_result))
+			$this->terminateWithError(getError($delete_result));
+
+		$this->terminateWithSuccess($delete_result);
+	}
+
+	public function deleteLVPlan()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('lv-plan/lektorentfernen'));
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+
+		$delete_result = $this->_ci->StundenplandevModel->deleteLektorPlanning($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($delete_result))
+			$this->terminateWithError(getError($delete_result));
+
+		$this->terminateWithSuccess($delete_result);
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

application/controllers/api/frontend/v1/lv/Setup.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Setup extends FHCAPI_Controller
+{
+	private $_ci;
+	private $_uid;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getTabs' => ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+			'getSprache' => ['admin:r', 'assistenz:r'],
+			'getRaumtyp' => ['admin:r', 'assistenz:r'],
+			'getLehrform' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+	}
+
+	public function getTabs()
+	{
+		$tabs['details'] = array (
+			'title' =>  'Details',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Details.js',
+			'config' => []
+		);
+		$tabs['gruppen'] = array (
+			'title' =>  'Gruppen',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Gruppen.js',
+			'config' => []
+		);
+		$tabs['lektor'] = array (
+			'title' =>  'LektorInnenzuteilung',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Lektor.js',
+			'config' => []
+		);
+		$tabs['notiz'] = array (
+			'title' =>  'Notizen',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Notiz.js',
+			'config' => []
+		);
+		$this->terminateWithSuccess($tabs);
+	}
+
+	public function getStudiensemester()
+	{
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->_ci->StudiensemesterModel->addOrder('start', 'DESC');
+		$this->terminateWithSuccess(getData($this->_ci->StudiensemesterModel->load()));
+	}
+	public function getSprache()
+	{
+		$this->_ci->load->model('system/Sprache_model', 'SpracheModel');
+		$this->terminateWithSuccess(getData($this->_ci->SpracheModel->load()));
+	}
+
+	public function getRaumtyp()
+	{
+		$this->_ci->load->model('ressource/Raumtyp_model', 'RaumtypModel');
+		$this->_ci->RaumtypModel->addOrder('raumtyp_kurzbz');
+		$this->terminateWithSuccess(getData($this->_ci->RaumtypModel->loadWhere(array('aktiv' => true))));
+	}
+
+	public function getLehrform()
+	{
+		$language = $this->_getLanguageIndex();
+
+		$this->_ci->load->model('codex/lehrform_model', 'LehrformModel');
+
+		$this->_ci->LehrformModel->addSelect(
+			'*,
+			bezeichnung_kurz[('.$language.')] as bez_kurz,
+			bezeichnung_lang[('.$language.')] as bez
+			'
+		);
+		$this->terminateWithSuccess(getData($this->_ci->LehrformModel->load()));
+	}
+
+	private function _getLanguageIndex()
+	{
+		$this->_ci->load->model('system/Sprache_model', 'SpracheModel');
+		$this->_ci->SpracheModel->addSelect('index');
+		$result = $this->_ci->SpracheModel->loadWhere(array('sprache' => getUserLanguage()));
+
+		return hasData($result) ? getData($result)[0]->index : 1;
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

application/controllers/api/frontend/v1/lv/StgTree.php

@@ -0,0 +1,117 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class StgTree extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+		$router = load_class('Router');
+		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
+		parent::__construct($permissions);
+
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+	}
+
+	public function _remap($method, $params = [])
+	{
+		if ($method == '' || $method == 'index')
+			return $this->getBase();
+
+		if (!$this->permissionlib->isBerechtigt('assistenz', 's', $method)
+			&& !$this->permissionlib->isBerechtigt('admin', 's', $method)
+		) {
+			return $this->_outputAuthError([$method => ['admin:r', 'assistenz:r']]);
+		}
+
+		return $this->getStudiengang($method);
+		show_404();
+	}
+
+	protected function getBase()
+	{
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addDistinct();
+		$this->StudiengangModel->addSelect("v.studiengang_kz AS link");
+		$this->StudiengangModel->addSelect(
+			"CONCAT(kurzbzlang, ' (', UPPER(CONCAT(typ, kurzbz)), ') - ', tbl_studiengang.bezeichnung) AS name",
+			false
+		);
+		$this->StudiengangModel->addSelect('erhalter_kz');
+		$this->StudiengangModel->addSelect('typ');
+		$this->StudiengangModel->addSelect('kurzbz');
+		$this->StudiengangModel->addSelect('studiengang_kz');
+		$this->StudiengangModel->addSelect('studiengang_kz AS stg_kz');
+
+		$this->StudiengangModel->addOrder('erhalter_kz');
+		$this->StudiengangModel->addOrder('typ');
+		$this->StudiengangModel->addOrder('kurzbz');
+
+		$stgs = $this->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$stgs = array_merge($stgs, $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+
+		if (!$stgs)
+			$this->terminateWithSuccess([]);
+
+		$this->StudiengangModel->db->where_in('studiengang_kz', $stgs);
+
+		$result = $this->StudiengangModel->loadWhere(['v.aktiv' => true]);
+
+		$list = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($list);
+	}
+
+	protected function getStudiengang($studiengang_kz)
+	{
+		$link = $studiengang_kz . '/';
+
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addDistinct();
+		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", semester) AS link", false);
+		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester ORDER BY verband, gruppe LIMIT 1)) AS name", false);
+		$this->StudiengangModel->addSelect("TRUE AS leaf", false);
+
+		$this->StudiengangModel->addSelect('semester');
+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+
+		$this->StudiengangModel->addOrder('semester');
+
+		$result = $this->StudiengangModel->loadWhere([
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.aktiv' => true
+		]);
+		$list = $this->getDataOrTerminateWithError($result);
+
+		$result = $this->StudiengangModel->load($studiengang_kz);
+		$result = $this->getDataOrTerminateWithError($result);
+		if ($result)
+		{
+			if (current($result)->mischform)
+			{
+				$this->load->model('organisation/Studienordnung_model', 'StudienordnungModel');
+
+				$this->StudienordnungModel->addDistinct();
+				$this->StudienordnungModel->addSelect("CONCAT(studiengang_kz, '/', p.orgform_kurzbz) AS link");
+				$this->StudienordnungModel->addSelect("p.orgform_kurzbz AS name");
+				$this->StudienordnungModel->addSelect("TRUE as leaf", false);
+
+				$this->StudienordnungModel->addJoin('lehre.tbl_studienplan p', 'studienordnung_id');
+
+				$result = $this->StudienordnungModel->loadWhere([
+					'aktiv' => true,
+					'studiengang_kz' => $studiengang_kz,
+					'p.orgform_kurzbz !=' => 'DDP'
+				]);
+				$result = $this->getDataOrTerminateWithError($result);
+
+				$list = array_merge($list, $result);
+			}
+		}
+
+		$this->terminateWithSuccess($list);
+	}
+}

application/controllers/api/frontend/v1/lv/Tags.php

@@ -0,0 +1,50 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Tags extends Tag_Controller
+{
+	const BERECHTIGUNG_KURZBZ = ['admin:rw', 'assistenz:r'];
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getTag' => self::BERECHTIGUNG_KURZBZ,
+			'getTags' => self::BERECHTIGUNG_KURZBZ,
+			'addTag' => self::BERECHTIGUNG_KURZBZ,
+			'updateTag' => self::BERECHTIGUNG_KURZBZ,
+			'doneTag' => self::BERECHTIGUNG_KURZBZ,
+			'deleteTag' => self::BERECHTIGUNG_KURZBZ,
+			'updateLehre' => self::BERECHTIGUNG_KURZBZ,
+			'doneLehre' => self::BERECHTIGUNG_KURZBZ,
+			'deleteLehre' => self::BERECHTIGUNG_KURZBZ,
+		]);
+
+		$this->config->load('lvverwaltung');
+	}
+	public function getTag($readonly_tags = null)
+	{
+		parent::getTag($this->config->item('lvverwaltung_tags'));
+	}
+	public function getTags($tags = null)
+	{
+		parent::getTags($this->config->item('lvverwaltung_tags'));
+	}
+	public function addTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::addTag(true, $this->config->item('lvverwaltung_tags'));
+	}
+	public function updateTag($updatable_tags = null)
+	{
+		parent::updateTag($this->config->item('lvverwaltung_tags'));
+	}
+	public function deleteTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::deleteTag(true, $this->config->item('lvverwaltung_tags'));
+	}
+	public function doneTag($updatable_tags = null)
+	{
+		parent::doneTag($this->config->item('lvverwaltung_tags'));
+	}
+}

application/controllers/api/frontend/v1/messages/Messages.php

@@ -0,0 +1,556 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Messages extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getMessages' => ['admin:r', 'assistenz:r'],
+			'getVorlagen' => ['admin:r', 'assistenz:r'],
+			'getMessageVarsPerson' => ['admin:r', 'assistenz:r'],
+			'getMsgVarsPrestudent' => ['admin:r', 'assistenz:r'],
+			'getMsgVarsLoggedInUser' => ['admin:r', 'assistenz:r'],
+			'getNameOfDefaultRecipient' => ['admin:r', 'assistenz:r'],
+			'getNameOfDefaultRecipients' => ['admin:r', 'assistenz:r'],
+			'sendMessage' => ['admin:r', 'assistenz:r'],
+			'deleteMessage' => ['admin:r', 'assistenz:r'],
+			'getDataVorlage' => ['admin:r', 'assistenz:r'],
+			'getPreviewText' => ['admin:r', 'assistenz:r'],
+			'getReplyData' => ['admin:r', 'assistenz:r'],
+			'getPersonId' => ['admin:r', 'assistenz:r'],
+			'getUid' => ['admin:r', 'assistenz:r'],
+			'getUids' => ['admin:r', 'assistenz:r'],
+		]);
+
+		//Load Models
+		$this->load->model('system/Message_model', 'MessageModel');
+		$this->load->model('CL/Messages_model', 'MessagesModel');
+
+		// Additional Permission Checks
+		//TODO(manu) check permissions
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+		$this->load->library('MessageLib');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui', 'messages'
+		]);
+	}
+
+	public function getMessages($id, $type_id, $size, $page)
+	{
+		if($type_id != 'person_id'){
+			$id = $this->_getPersonId($id, $type_id);
+		}
+
+		$offset = $size * ($page - 1);
+		$limit = $size;
+
+		$result = $this->MessageModel->getMessagesForTable($id, $offset, $limit);
+
+		if (hasData($result))
+		{
+			$data = getData($result);
+			$this->addMeta('count', $data['count']);
+			$this->terminateWithSuccess($data['data']);
+		}
+
+		$this->terminateWithSuccess(array());
+	}
+
+	public function getVorlagen()
+	{
+		//get oe of user
+		$uid = getAuthUID();
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+		$result = $this->BenutzerfunktionModel->getBenutzerfunktionByUid($uid, 'oezuordnung');
+
+		if (hasData($result))
+		{
+			$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+			$data = getData($result);
+
+			$oe_kurzbz = array_column($data, 'oe_kurzbz');
+			$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz);
+
+			$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
+		}
+
+		$this->terminateWithSuccess(array());
+	}
+
+	public function getDataVorlage($vorlage_kurzbz)
+	{
+		$studiengang_kz = 0;
+		$this->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
+		$this->VorlagestudiengangModel->addOrder('version', 'DESC');
+
+		$result = $this->VorlagestudiengangModel->loadWhere(
+			[
+				'vorlage_kurzbz' =>$vorlage_kurzbz,
+				'studiengang_kz' => $studiengang_kz
+			]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$vorlage = current($data);
+		$this->terminateWithSuccess($vorlage);
+	}
+
+	public function getMessageVarsPerson($typeId)
+	{
+		$ids = $this->input->post('ids');
+		$messageVarsPerson = [];
+
+		foreach ($ids as $id)
+		{
+			$person_id = ($typeId == 'mitarbeiter_uid') ? $this->_getPersonId($id, $typeId) : $id;
+			$result = $this->MessageModel->getMsgVarsDataByPersonId($person_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$messageVarsPerson[] = current($data);
+		}
+
+		$this->terminateWithSuccess($messageVarsPerson);
+	}
+
+	public function getMsgVarsPrestudent($typeId)
+	{
+		$ids = $this->input->post('ids');
+		if(!is_array($ids)) {
+			$ids = array($ids);
+		}
+		$messageVarsPrestudent = [];
+
+		if($typeId == 'uid')
+		{
+			$prestudent_ids = [];
+			foreach ($ids as $id)
+			{
+				$prestudent_ids[] =  $this->_getPrestudentIdFromUid($id);
+			}
+		}
+		else
+			$prestudent_ids = $ids;
+
+		foreach ($prestudent_ids as $prestudent_id)
+		{
+			$result = $this->MessageModel->getMsgVarsDataByPrestudentId($prestudent_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$messageVarsPrestudent[] = current($data);
+		}
+
+		$this->terminateWithSuccess($messageVarsPrestudent);
+	}
+
+	public function getMsgVarsLoggedInUser()
+	{
+		$result = $this->MessageModel->getMsgVarsLoggedInUser();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getNameOfDefaultRecipients($type_id)
+	{
+		$ids = $this->input->post('ids');
+		if(!is_array($ids)) {
+			$ids = array($ids);
+		}
+		$recipients = [];
+
+		if (empty($ids)) {
+
+			throw new InvalidArgumentException($this->p->t('ui', 'errorMissingOrInvalidParameters', ['parameter'=> 'Id(s)']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->load->model('person/Person_model', 'PersonModel');
+		if($type_id != 'person_id'){
+			foreach ($ids as $id)
+			{
+				$person_id =  $this->_getPersonId($id, $type_id);
+				$result = $this->PersonModel->load($person_id);
+				$data = $this->getDataOrTerminateWithError($result);
+				$name = current($data);
+				$recipients[$id] = $name->vorname . " " . $name->nachname;
+			}
+		}
+		else {
+			foreach ($ids as $id) {
+				$result = $this->PersonModel->load($id);
+				$data = $this->getDataOrTerminateWithError($result);
+				$name = current($data);
+				$recipients[$id] = $name->vorname . " " . $name->nachname;
+			}
+		}
+
+		$this->terminateWithSuccess($recipients);
+	}
+
+	public function sendMessage($typeId)
+	{
+		$resultReturn = [];
+		$uid = getAuthUID();
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$result = $this->BenutzerModel->loadWhere(
+			['uid' => $uid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$benutzer = current($data);
+
+		if (isset($_POST['data']))
+		{
+			$data = json_decode($_POST['data']);
+			unset($_POST['data']);
+			foreach ($data as $k => $v) {
+				$_POST[$k] = $v;
+			}
+		}
+
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('subject', 'Betreff', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Betreff'])
+		]);
+
+		$this->form_validation->set_rules('body', 'Text', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Text'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$subject = $this->input->post('subject');
+		$body = $this->input->post('body');
+		$relationmessage_id = $this->input->post('relationmessage_id');
+
+		if (isset($_POST['ids']))
+		{
+			$ids = json_decode($_POST['ids']);
+			unset($_POST['ids']);
+			foreach ($data as $k => $v) {
+				$_POST[$k] = $v;
+			}
+		}
+
+		if (!is_array($ids)) {
+			$ids = [$ids];
+		}
+
+		foreach ($ids as $id)
+		{
+			$receiversPersonId = $typeId == "person_id" ? $id : $this->_getPersonId($id, $typeId);
+
+			if($typeId == 'uid')
+			{
+				$prestudent_id = $this-> _getPrestudentIdFromUid($id);
+
+				$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			if($typeId == 'mitarbeiter_uid')
+			{
+				$person_id = $this->_getPersonId($id, $typeId);
+
+				$result = $this->MessagesModel->parseMessageTextPerson($person_id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			elseif($typeId == 'person_id')
+			{
+				$result = $this->MessagesModel->parseMessageTextPerson($id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			elseif($typeId == 'prestudent_id')
+			{
+				$result = $this->MessagesModel->parseMessageTextPrestudent($id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			else
+			{
+				$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+			}
+
+			$result =$this->messagelib->sendMessageUser($receiversPersonId, $subject, $bodyParsed, $benutzer->person_id, null, $relationmessage_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$resultReturn[] = current($data);
+
+		}
+		$this->terminateWithSuccess($resultReturn);
+	}
+
+	public function getPreviewText($type_id)
+	{
+		if (isset($_POST['data']))
+		{
+			$data = json_decode($_POST['data']);
+			unset($_POST['data']);
+		}
+		else
+			$this->terminateWithError($this->p->t('messages', 'errorMissingOrInvalidParameters', ['parameter'=> "Textbody"]), self::ERROR_TYPE_GENERAL);
+
+		if (isset($_POST['ids']))
+		{
+			$ids = json_decode($_POST['ids']);
+			if(!is_array($ids))
+			{
+				$ids = array($ids);
+			}
+			unset($_POST['ids']);
+		}
+		else
+			$this->terminateWithError($this->p->t('ui', 'errorMissingOrInvalidParameters', ['parameter'=> 'Id(s)']), self::ERROR_TYPE_GENERAL);
+
+		$bodyParsed = [];
+
+		foreach ($ids as $id)
+		{
+			switch($type_id)
+			{
+				case 'uid':
+					$prestudent_id = $this->_getPrestudentIdFromUid($id);
+					$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'prestudent_id':
+					$result = $this->MessagesModel->parseMessageTextPrestudent($id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'person_id':
+					$result = $this->MessagesModel->parseMessageTextPerson($id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'mitarbeiter_uid':
+					{
+						$person_id = $this->_getPersonId($id, $type_id);
+						$result = $this->MessagesModel->parseMessageTextPerson($person_id, $data);
+						$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					}
+					break;
+				default:
+					$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $type_id]), self::ERROR_TYPE_GENERAL);
+					break;
+			}
+		}
+
+		$this->terminateWithSuccess($bodyParsed);
+	}
+
+	public function getReplyData($messageId)
+	{
+		if (!is_numeric($messageId)) {
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value'=> 'Message ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->MessageModel->addSelect('public.tbl_msg_message.*');
+		$this->MessageModel->addSelect('r.*');
+		$this->MessageModel->addSelect('p.nachname');
+		$this->MessageModel->addSelect('p.vorname');
+		$this->MessageModel->addJoin('public.tbl_msg_recipient r', 'ON (r.message_id = public.tbl_msg_message.message_id)');
+		$this->MessageModel->addJoin('public.tbl_person p', 'ON (p.person_id = public.tbl_msg_message.person_id)');
+
+		$result = $this->MessageModel->loadWhere(
+			array('r.message_id' => $messageId)
+		);
+
+		$dataMessage = $this->getDataOrTerminateWithError($result);
+		$prefix = "Re: "; // reply subject prefix
+
+		$subject = $dataMessage[0]->subject;
+		$body = $dataMessage[0]->body;
+
+
+		$replyBody = $this->_getReplyBody($body, $dataMessage[0]->nachname, $dataMessage[0]->vorname, $dataMessage[0]->insertamum);
+
+		$dataMessage[0]->replyBody = $replyBody;
+		$dataMessage[0]->replySubject = $prefix . $subject;
+
+		$this->terminateWithSuccess($dataMessage);
+	}
+
+	public function deleteMessage($messageId)
+	{
+		// Start DB transaction
+		$this->db->trans_begin();
+
+		$result = $this->MessageModel->deleteMessageRecipient($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+
+		}
+
+		$result = $this->MessageModel->deleteMessageStatus($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->MessageModel->deleteMessage($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->db->trans_commit();
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getPersonId($id, $typeId)
+	{
+		if ($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['uid' => $id]
+			);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			$result = $this->PrestudentModel->loadWhere(
+				['prestudent_id' => $id]
+			);
+		}
+		else
+		{
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+		}
+
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$person = current($data);
+
+		$this->terminateWithSuccess($person->person_id);
+	}
+
+	public function getUids($typeId)
+	{
+		$ids = $this->input->post('ids');
+		$benutzerIds = [];
+
+		if (!$typeId)
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Type ID']), self::ERROR_TYPE_GENERAL);
+		}
+		elseif ($typeId == 'person_id')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			foreach ($ids as $id)
+			{
+				$result = $this->BenutzerModel->loadWhere(
+					['person_id' => $id]
+				);
+				$data = $this->getDataOrTerminateWithError($result);
+				$benutzer = current($data);
+
+				$benutzerIds[$id] = $benutzer->uid;
+			}
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			foreach ($ids as $id)
+			{
+				$result = $this->PrestudentModel->loadWhere(
+					['prestudent_id' => $id]
+				);
+
+				$data = $this->getDataOrTerminateWithError($result);
+				$person = current($data);
+				$person_id = $person->person_id;
+
+				$this->load->model('person/Benutzer_model', 'BenutzerModel');
+				$result = $this->BenutzerModel->loadWhere(
+					['person_id' => $person_id]
+				);
+				$data = $this->getDataOrTerminateWithError($result);
+				$benutzer = current($data);
+
+				$benutzerIds[$id] = $benutzer->uid;
+			}
+		}
+		elseif($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->terminateWithSuccess($ids);
+		}
+		else
+		{
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->terminateWithSuccess($benutzerIds);
+	}
+
+	private function _getPersonId($id, $typeId)
+	{
+		if ($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['uid' => $id]
+			);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			$result = $this->PrestudentModel->loadWhere(
+				['prestudent_id' => $id]
+			);
+		}
+		else
+		{
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+		}
+
+
+		$data = $this->getDataOrTerminateWithError($result);
+		if (count($data) < 1)
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+		}
+		$person = current($data);
+
+		return $person->person_id;
+	}
+
+	private function _getPrestudentIdFromUid($uid)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['student_uid' => $uid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		if (count($data) < 1)
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+		}
+		$student = current($data);
+
+		return $student->prestudent_id;
+	}
+
+	private function _getReplyBody($body, $receiverName, $receiverSurname, $sentDate)
+	{
+		// To quote a reply body message
+		$bodyFormat = "<br>
+					<br>
+					<blockquote>
+						<i>
+							On %s %s %s wrote:
+						</i>
+					</blockquote>
+					<blockquote style='border-left:2px solid; padding-left: 8px'>
+						%s
+					</blockquote>";
+		return sprintf(
+			$bodyFormat,
+			date_format(date_create($sentDate), 'd.m.Y H:i'), $receiverName, $receiverSurname, $body
+		);
+	}
+}

application/controllers/api/frontend/v1/notiz/NotizLehreinheit.php

@@ -0,0 +1,21 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class NotizLehreinheit extends Notiz_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getUid' => ['admin:r', 'assistenz:r'],
+			'getNotizen' => ['admin:r', 'assistenz:r'],
+			'loadNotiz' => ['admin:r', 'assistenz:r'],
+			'addNewNotiz' => ['admin:rw', 'assistenz:rw'],
+			'updateNotiz' => ['admin:rw', 'assistenz:rw'],
+			'deleteNotiz' => ['admin:rw', 'assistenz:rw'],
+			'loadDokumente' => ['admin:r', 'assistenz:r'],
+			'getMitarbeiter' => ['admin:r', 'assistenz:r'],
+			'isBerechtigt' => ['admin:r', 'assistenz:r'],
+		]);
+	}
+}

application/controllers/api/frontend/v1/notiz/NotizPerson.php

@@ -0,0 +1,52 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class NotizPerson extends Notiz_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getUid' => ['admin:r', 'assistenz:r'],
+			'getNotizen' => ['admin:r', 'assistenz:r'],
+			'loadNotiz' => ['admin:r', 'assistenz:r'],
+			'addNewNotiz' => ['admin:rw', 'assistenz:rw'],
+			'updateNotiz' => ['admin:rw', 'assistenz:rw'],
+			'deleteNotiz' => ['admin:rw', 'assistenz:rw'],
+			'loadDokumente' => ['admin:r', 'assistenz:r'],
+			'getMitarbeiter' => ['admin:r', 'assistenz:r'],
+			'isBerechtigt' => ['admin:r', 'assistenz:r'],
+			'getCountNotes' => ['admin:r', 'assistenz:r'],
+		]);
+	}
+
+	public function isBerechtigt($id, $typeId)
+	{
+		if($typeId != "person_id")
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_typeNotizIdIncorrect'), self::ERROR_TYPE_GENERAL);
+		}
+
+		//TODO define permission
+		if (!$this->permissionlib->isBerechtigt('admin', 'suid') && !$this->permissionlib->isBerechtigt('assistenz', 'suid'))
+		{
+			$result =  $this->p->t('lehre', 'error_keineSchreibrechte');
+
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		return $this->outputJsonSuccess(true);
+	}
+
+	public function loadDokumente()
+	{
+		$notiz_id = $this->input->post('notiz_id');
+
+		// TODO(chris): make CI variant of endpoint
+		$this->NotizModel->addSelect($this->NotizModel->escape(base_url('content/notizdokdownload.php?id=')) . ' || campus.tbl_dms_version.dms_id AS preview');
+		
+		return parent::loadDokumente();
+	}
+}

application/controllers/api/frontend/v1/organisation/StudiengangEP.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package		FHC-API
+ * @author		FHC-Team
+ * @copyright	Copyright (c) 2016, fhcomplete.org
+ * @license		GPLv3
+ * @link		http://fhcomplete.org
+ * @since		Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class StudiengangEP extends FHCAPI_Controller
+{
+	/**
+	 * StudiengangEP API constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'getStudiengangByKz' => self::PERM_LOGGED
+			)
+		);
+		// Load model StudiengangModel
+		$this->load->model('organisation/studiengang_model', 'StudiengangModel');
+	}
+
+	/**
+	 * @return void
+	 */
+	public function getStudiengangByKz()
+	{
+		$studiengang_kz = intval($this->input->get('studiengang_kz'));
+
+		$this->StudiengangModel->addSelect('studiengang_kz, kurzbz, kurzbzlang, '
+			. 'typ, bezeichnung, english, aktiv, orgform_kurzbz, sprache, '
+			. 'oe_kurzbz');
+		$result = $this->StudiengangModel->load($studiengang_kz);
+
+		if (isError($result)) 
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+		
+		$stg = null;
+		if(hasData($result)) 
+		{
+			$stg = (getData($result))[0];
+		}
+		$this->terminateWithSuccess($stg);
+	}
+}

application/controllers/api/frontend/v1/organisation/Studienjahr.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package        FHC-API
+ * @author        FHC-Team
+ * @copyright    Copyright (c) 2016, fhcomplete.org
+ * @license        GPLv3
+ * @link        http://fhcomplete.org
+ * @since        Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Studienjahr extends FHCAPI_Controller
+{
+	/**
+	 * Studienjahr API constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'getAll' => self::PERM_LOGGED,
+				'getNext' => self::PERM_LOGGED
+			)
+		);
+		// Load model StudiensemesterModel
+		$this->load->model('organisation/studienjahr_model', 'StudienjahrModel');
+	}
+
+	/**
+	 * Get all Studienjahre.
+	 *
+	 * @param null|string $order Sorting order for the Studienjahr, 'asc' or 'desc'. Defaults to 'asc'.
+	 * @param null|string $start Starting Studienjahre with given studienjahr_kurzbz
+	 */
+	public function getAll()
+	{
+		$order = $this->input->get('order');
+		$start = $this->input->get('studienjahr_kurzbz');
+
+		if (strcasecmp($order, 'DESC') == 0) {
+			$this->StudienjahrModel->addOrder('studienjahr_kurzbz', 'DESC');
+		} else {
+			$this->StudienjahrModel->addOrder('studienjahr_kurzbz', 'ASC');
+		}
+
+		if ($start) {
+			$result = $this->StudienjahrModel->loadWhere([
+				'studienjahr_kurzbz >= ' => $start
+			]);
+		} else {
+			$result = $this->StudienjahrModel->load();
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+
+	public function getNext()
+	{
+		$this->StudienjahrModel->addJoin('public.tbl_studiensemester', 'studienjahr_kurzbz');
+		$this->StudienjahrModel->addOrder('start');
+		$this->StudienjahrModel->addLimit(1);
+
+		$result = $this->StudienjahrModel->loadWhere(['start >' => 'NOW()']);
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess(current(getData($result)));
+	}
+}

application/controllers/api/frontend/v1/organisation/Studienplan.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package        FHC-API
+ * @author        FHC-Team
+ * @copyright    Copyright (c) 2016, fhcomplete.org
+ * @license        GPLv3
+ * @link        http://fhcomplete.org
+ * @since        Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Studienplan extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		// TODO(chris): access!
+		parent::__construct([
+			'getBySemester' => self::PERM_LOGGED
+		]);
+	}
+
+	public function getBySemester()
+	{
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$studiengang_kz = $this->input->get('studiengang_kz');
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+		$ausbildungssemester = $this->input->get('ausbildungssemester') ?: null;
+		$orgform_kurzbz = $this->input->get('orgform_kurzbz') ?: null;
+
+		if (!$studiengang_kz || !is_numeric($studiengang_kz))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Studiengangskennzahl']), self::ERROR_TYPE_GENERAL);
+
+		if (!$studiensemester_kurzbz)
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+
+		if (isset($ausbildungssemester) && !is_numeric($ausbildungssemester))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Ausbildungssemester']), self::ERROR_TYPE_GENERAL);
+
+
+		//~ $this->load->library('form_validation');
+		
+		//~ $this->form_validation->set_rules('studiengang_kz', 'StudiengangKz', 'required|numeric');
+		//~ $this->form_validation->set_rules('studiensemester_kurzbz', 'StudiensemesterKurbz', 'required');
+		//~ $this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'numeric');
+
+		//~ if (!$this->form_validation->run())
+		//~ {
+			//~ $this->addMeta('fail2', 'fail2');
+			//~ return $this->terminateWithValidationErrors($this->form_validation->error_array());
+		//~ }
+
+
+		$this->addMeta('stg_kz', $studiengang_kz);
+		$this->addMeta('sem', $studiensemester_kurzbz);
+		$this->addMeta('sem2', $ausbildungssemester);
+		$this->addMeta('org', $orgform_kurzbz);
+
+		$result = $this->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $ausbildungssemester, $orgform_kurzbz);
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+}

application/controllers/api/frontend/v1/organisation/Studiensemester.php

@@ -0,0 +1,155 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package		FHC-API
+ * @author		FHC-Team
+ * @copyright	Copyright (c) 2016, fhcomplete.org
+ * @license		GPLv3
+ * @link		http://fhcomplete.org
+ * @since		Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Studiensemester extends FHCAPI_Controller
+{
+	/**
+	 * Studiensemester API constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct(
+			array(
+				'getAll' => self::PERM_LOGGED,
+				'getAktNext' => self::PERM_LOGGED,
+				'getStudienjahrByStudiensemester' => self::PERM_LOGGED
+			)
+		);
+		// Load model StudiensemesterModel
+		$this->load->model('organisation/studiensemester_model', 'StudiensemesterModel');
+	}
+
+	/**
+	 * Get all Studiensemester.
+	 *
+	 * @param null|string $order Sorting order for the Studiensemester, 'asc' or 'desc'. Defaults to 'asc'.
+	 * @param null|string $start Start date of the displayed Studiensemester in the format 'YYYY-MM-DD'.
+	 * 	If provided, only Studiensemester starting from this date onwards will be returned.
+	 *  eg. '2020-09-01' will start with WS2020.
+	 */
+	public function getAll()
+	{
+		$order = $this->input->get('order');
+		$start = $this->input->get('start');
+
+		if (strcasecmp($order, 'DESC') == 0)
+		{
+			$this->StudiensemesterModel->addOrder('ende', 'DESC');
+		}
+		else
+		{
+			$this->StudiensemesterModel->addOrder('ende', 'ASC');
+		}
+
+		if ($start)
+		{
+			$result = $this->StudiensemesterModel->loadWhere([
+				'start >= ' => $start
+			]);
+		}
+		else
+		{
+			$result = $this->StudiensemesterModel->load();
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+
+	/**
+	 * @return void
+	 */
+	public function getAktNext()
+	{
+		$semester = $this->input->get('semester');
+
+		$result = null;
+
+		if (!is_numeric($semester))
+		{
+			$result = $this->StudiensemesterModel->loadWhere(array('start <=' => 'NOW()', 'ende >=' => 'NOW()'));
+		}
+
+		if (!hasData($result))
+		{
+			$this->StudiensemesterModel->addOrder('ende');
+			$this->StudiensemesterModel->addLimit(1);
+
+			$whereArray = array('ende >=' => 'NOW()');
+
+			if (is_numeric($semester))
+			{
+				if ($semester % 2 == 0)
+				{
+					$ss = 'SS';
+				}
+				else
+				{
+					$ss = 'WS';
+				}
+
+				$whereArray['SUBSTRING(studiensemester_kurzbz FROM 1 FOR 2) ='] = $ss;
+			}
+
+			$result = $this->StudiensemesterModel->loadWhere($whereArray);
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: ''));
+	}
+
+	/**
+	 * Get Studienjahr by Studiensemester.
+	 * input param semester: studiensemester_kurzbz
+	 */
+	public function getStudienjahrByStudiensemester()
+	{
+		$semester = $this->input->get('semester');
+
+		$studienjahrObj = null;
+
+		if (!is_numeric($semester))
+		{
+			$this->StudiensemesterModel->addSelect('studienjahr_kurzbz');
+			$result = $this->StudiensemesterModel->loadWhere(array('studiensemester_kurzbz =' => $semester));
+		}
+
+		if (hasData($result))
+		{
+			$studienjahr = getData($result)[0]->studienjahr_kurzbz;
+			$startstudienjahr = substr($studienjahr, 0, 4);
+			$endstudienjahr = substr($studienjahr, 0, 2) . substr($studienjahr, -2);
+
+			$studienjahrObj = new StdClass();
+
+			$studienjahrObj->studienjahr_kurzbz = $studienjahr;
+			$studienjahrObj->startstudienjahr = $startstudienjahr;
+			$studienjahrObj->endstudienjahr= $endstudienjahr;
+		}
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+		}
+
+		$this->terminateWithSuccess((getData(success($studienjahrObj))));
+	}
+}

application/controllers/api/frontend/v1/studstatus/Abmeldung.php

@@ -184,4 +184,4 @@ class Abmeldung extends FHCAPI_Controller
 		
 		$this->terminateWithSuccess($data);
 	}
-}
+}

application/controllers/api/frontend/v1/studstatus/Leitung.php

@@ -53,7 +53,8 @@ class Leitung extends FHCAPI_Controller
 
 		// Load language phrases
 		$this->loadPhrases([
-			'studierendenantrag'
+			'studierendenantrag',
+			'lehre'
 		]);
 	}
 

application/controllers/api/frontend/v1/stv/Abschlusspruefung.php

@@ -0,0 +1,459 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Abschlusspruefung extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getAbschlusspruefung' => ['admin:r', 'assistenz:r'],
+			'loadAbschlusspruefung' => ['admin:r', 'assistenz:r'],
+			'insertAbschlusspruefung' => ['admin:rw', 'assistenz:rw'],
+			'updateAbschlusspruefung' => ['admin:rw', 'assistenz:rw'],
+			'deleteAbschlusspruefung' => ['admin:rw', 'assistenz:rw'],
+			'getTypenAbschlusspruefung' => ['admin:rw', 'assistenz:rw'],
+			'getNoten' => ['admin:rw', 'assistenz:rw'],
+			'getTypenAntritte' => ['admin:rw', 'assistenz:rw'],
+			'getBeurteilungen' => ['admin:rw', 'assistenz:rw'],
+			'getAkadGrade' => ['admin:rw', 'assistenz:rw'],
+			'getMitarbeiter' => ['admin:rw', 'assistenz:rw'],
+			'getPruefer' => ['admin:rw', 'assistenz:rw'],
+			'getTypStudiengang' => ['admin:rw', 'assistenz:rw'],
+			'checkForExistingExams' => ['admin:rw', 'assistenz:rw'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'person',
+			'abschlusspruefung'
+		]);
+
+		// Load models
+		$this->load->model('education/Abschlusspruefung_model', 'AbschlusspruefungModel');
+
+
+		//Permission checks for Studiengangsarray
+		$allowedStgs = $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: [];
+
+		if ($this->router->method == 'insertAbschlusspruefung' || $this->router->method == 'updateAbschlusspruefung')
+		{
+			$student_uid = $this->input->post('uid') ?: ($this->input->post('formData')['student_uid'] ?? null);
+
+			if(!$student_uid)
+			{
+				return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
+			}
+			$this->_checkAllowedStgsFromUid($student_uid, $allowedStgs);
+		}
+
+		if ($this->router->method == 'deleteAbschlusspruefung')
+		{
+			$abschlusspruefung_id = $this->input->post('id');
+
+			if(!$abschlusspruefung_id)
+			{
+				return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Abschlusspruefung ID']), self::ERROR_TYPE_GENERAL);
+			}
+			$result = $this->AbschlusspruefungModel->load(
+				array('abschlusspruefung_id' => $abschlusspruefung_id)
+			);
+			$data = $this->getDataOrTerminateWithError($result);
+			$student_uid = current($data)->student_uid;
+
+			$this->_checkAllowedStgsFromUid($student_uid, $allowedStgs);
+		}
+	}
+
+	private function _checkAllowedStgsFromUid($student_uid, $allowedStgs)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(['student_uid' => $student_uid]);
+		$data = $this->getDataOrTerminateWithError($result);
+		$studiengang_kz = current($data)->studiengang_kz;
+
+		if (!in_array($studiengang_kz, $allowedStgs))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_keineBerechtigungStg'), self::ERROR_TYPE_GENERAL);
+		}
+	}
+
+	public function getAbschlusspruefung($student_uid)
+	{
+		$result = $this->AbschlusspruefungModel->getAbschlusspruefungForPrestudent($student_uid);
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+
+	public function loadAbschlusspruefung()
+	{
+		$abschlusspruefung_id = $this->input->post('id');
+
+		$this->AbschlusspruefungModel->addSelect(
+			'lehre.tbl_abschlusspruefung.*,
+			p1.person_id AS p1_person_id, p1.vorname AS p1_vorname, p1.nachname AS p1_nachname,
+			p1.titelpre AS p1_titelpre, p1.titelpost AS p1_titelpost,
+			p2.person_id AS p2_person_id, p2.vorname AS p2_vorname, p2.nachname AS p2_nachname,
+			p2.titelpre AS p2_titelpre, p2.titelpost AS p2_titelpost,
+			p3.person_id AS p3_person_id, p3.vorname AS p3_vorname, p3.nachname AS p3_nachname,
+			p3.titelpre AS p3_titelpre, p3.titelpost AS p3_titelpost,
+			pv.person_id AS pv_person_id, pv.vorname AS pv_vorname, pv.nachname AS pv_nachname,
+			pv.titelpre AS pv_titelpre, pv.titelpost AS pv_titelpost, ben.uid AS pv_uid'
+		);
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer1 IS NOT NULL
+				//~ THEN CONCAT(p1.nachname, ' ', p1.vorname, COALESCE(' ' || p1.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p1
+   		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer2 IS NOT NULL
+				//~ THEN CONCAT(p2.nachname, ' ', p2.vorname, COALESCE(' ' || p2.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p2
+		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer3 IS NOT NULL
+				//~ THEN CONCAT(p3.nachname, ' ', p3.vorname, COALESCE(' ' || p3.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p3
+		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN vorsitz IS NOT NULL
+				//~ THEN CONCAT(pv.nachname, ' ', pv.vorname, COALESCE(' ' || pv.titelpre, ''), ' (', ben.uid , ')' )
+				//~ ELSE NULL
+   			 //~ END AS pv
+		//~ ");
+		$this->AbschlusspruefungModel->addJoin('public.tbl_benutzer ben', 'ON (ben.uid = lehre.tbl_abschlusspruefung.vorsitz)', 'LEFT');
+		$this->AbschlusspruefungModel->addJoin('public.tbl_person pv', 'ON (pv.person_id = ben.person_id)', 'LEFT');
+		$this->AbschlusspruefungModel->addJoin('public.tbl_person p1', 'ON (p1.person_id = lehre.tbl_abschlusspruefung.pruefer1)', 'LEFT');
+		$this->AbschlusspruefungModel->addJoin('public.tbl_person p2', 'ON (p2.person_id = lehre.tbl_abschlusspruefung.pruefer2)', 'LEFT');
+		$this->AbschlusspruefungModel->addJoin('public.tbl_person p3', 'ON (p3.person_id = lehre.tbl_abschlusspruefung.pruefer3)', 'LEFT');
+		$result = $this->AbschlusspruefungModel->loadWhere(
+			array('abschlusspruefung_id' => $abschlusspruefung_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function getTypenAbschlusspruefung()
+	{
+		$this->load->model('education/Pruefungstyp_model', 'PruefungstypModel');
+
+		$result = $this->PruefungstypModel->loadWhere(
+			array('abschluss' => true)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getTypenAntritte()
+	{
+		$this->load->model('education/Pruefungsantritt_model', 'PruefungsantrittModel');
+
+		$result = $this->PruefungsantrittModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getBeurteilungen()
+	{
+		$this->load->model('education/Abschlussbeurteilung_model', 'AbschlussbeurteilungModel');
+
+		$result = $this->AbschlussbeurteilungModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getAkadGrade()
+	{
+		$studiengang_kz= $this->input->post('studiengang_kz');
+
+
+		$this->load->model('education/Akadgrad_model', 'AkadgradModel');
+
+		$result = $this->AkadgradModel->loadWhere(
+			array('studiengang_kz' => $studiengang_kz)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getTypStudiengang()
+	{
+		$studiengang_kz= $this->input->post('studiengang_kz');
+
+		/*		if (!$studiengang_kzs || !is_array($studiengang_kzs)) {
+					$this->load->library('form_validation');
+
+					$this->form_validation->set_rules('studiengang_kzs', '', 'required|is_null', [
+						'is_null' => $this->p->t('ui', 'error_fieldMustBeArray')
+					]);
+
+					if (!$this->form_validation->run())
+						$this->terminateWithValidationErrors($this->form_validation->error_array());
+				}*/
+
+
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$result = $this->StudiengangModel->loadWhere(
+			array('studiengang_kz' => $studiengang_kz)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$typStudiengang = current($data)->typ;
+
+		$this->terminateWithSuccess($typStudiengang);
+	}
+
+	public function getMitarbeiter()
+	{
+		$searchString = $this->input->get('searchString') ?? '';
+
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+
+		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString, 'mitAkadGrad');
+
+		if (isError($result)) {
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess($result ?: []);
+	}
+
+	public function getPruefer()
+	{
+		$searchString = $this->input->get('searchString') ?? '';
+
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+
+		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString, 'ohneMaUid');
+
+		if (isError($result)) {
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->terminateWithSuccess($result ?: []);
+	}
+
+	public function getNoten()
+	{
+		$this->load->model('education/Note_model', 'NoteModel');
+
+		$this->NoteModel->addOrder('note', 'ASC');
+		$result = $this->NoteModel->load();
+
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		return $this->terminateWithSuccess(getData($result) ?: []);
+	}
+
+	public function insertAbschlusspruefung()
+	{
+		$this->load->library('form_validation');
+
+		$student_uid = $this->input->post('uid');
+
+		if(!$student_uid)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('pruefungstyp_kurzbz', 'Typ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Typ'])
+		]);
+
+		$this->form_validation->set_rules('akadgrad_id', 'AkadGrad', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'AkadGrad'])
+		]);
+
+		$this->form_validation->set_rules('datum', 'Datum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Datum'])
+		]);
+
+		$this->form_validation->set_rules('sponsion', 'Sponsion', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Sponsion'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->AbschlusspruefungModel->insert([
+			'student_uid' => $student_uid,
+			'pruefungstyp_kurzbz' => $formData['pruefungstyp_kurzbz'],
+			'akadgrad_id' => $formData['akadgrad_id'],
+			'vorsitz' => $formData['vorsitz'],
+			'pruefungsantritt_kurzbz' => $formData['pruefungsantritt_kurzbz'],
+			'abschlussbeurteilung_kurzbz' => $formData['abschlussbeurteilung_kurzbz'],
+			'datum' => $formData['datum'], //TODO(Manu) check if minute format like FAS
+			'sponsion' => $formData['sponsion'],
+			'pruefer1' => $formData['pruefer1'],
+			'pruefer2' => $formData['pruefer2'],
+			'pruefer3' => $formData['pruefer3'],
+			'protokoll' => $formData['protokoll'],
+			'note' => $formData['note'],
+			'anmerkung' => $formData['anmerkung'],
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateAbschlusspruefung()
+	{
+		$this->load->library('form_validation');
+
+		$abschlusspruefung_id = $this->input->post('id');
+
+		if(!$abschlusspruefung_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Abschlussprüfung ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+		$vorsitz = isset($formData['vorsitz']['mitarbeiter_uid']) ? $formData['vorsitz']['mitarbeiter_uid'] :  $formData['vorsitz'];
+		$pruefer1 = isset($formData['pruefer1']['person_id']) ? $formData['pruefer1']['person_id'] : $formData['pruefer1'];
+		$pruefer2 = isset($formData['pruefer2']['person_id']) ? $formData['pruefer2']['person_id'] : $formData['pruefer2'];
+		$pruefer3 = isset($formData['pruefer3']['person_id']) ? $formData['pruefer3']['person_id'] : $formData['pruefer3'];
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('pruefungstyp_kurzbz', 'Typ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Typ'])
+		]);
+
+		$this->form_validation->set_rules('akadgrad_id', 'AkadGrad', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'AkadGrad'])
+		]);
+
+		$this->form_validation->set_rules('datum', 'Datum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Datum'])
+		]);
+
+		$this->form_validation->set_rules('sponsion', 'Sponsion', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Sponsion'])
+		]);
+
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->AbschlusspruefungModel->update(
+			[
+				'abschlusspruefung_id' => $abschlusspruefung_id
+			],
+			[
+				'student_uid' => $formData['student_uid'],
+				'pruefungstyp_kurzbz' => $formData['pruefungstyp_kurzbz'],
+				'akadgrad_id' => $formData['akadgrad_id'],
+				'vorsitz' => $vorsitz,
+				'pruefungsantritt_kurzbz' => $formData['pruefungsantritt_kurzbz'],
+				'abschlussbeurteilung_kurzbz' => $formData['abschlussbeurteilung_kurzbz'],
+				'datum' => $formData['datum'],
+				'sponsion' => $formData['sponsion'],
+				'pruefer1' => $pruefer1,
+				'pruefer2' => $pruefer2,
+				'pruefer3' => $pruefer3,
+				'protokoll' => $formData['protokoll'],
+				'note' => $formData['note'],
+				'anmerkung' => $formData['anmerkung'],
+				'updateamum' => date('c'),
+				'updatevon' => getAuthUID()
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteAbschlusspruefung()
+	{
+		$abschlusspruefung_id = $this->input->post('id');
+
+		$result = $this->AbschlusspruefungModel->delete(
+			array('abschlusspruefung_id' => $abschlusspruefung_id)
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		if (!hasData($result))
+		{
+			$this->outputJson($result);
+		}
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function checkForExistingExams()
+	{
+		$warning = false;
+		$output = [];
+
+		$student_uids = $this->input->post('uids');
+
+		if (empty($student_uids)) {
+			throw new InvalidArgumentException("Keine UID(s) übergeben.");
+		}
+
+		if( !is_array($student_uids) )
+		{
+			$student_uids = array($student_uids);
+		}
+
+		foreach ($student_uids as $uid)
+		{
+			$result = $this->AbschlusspruefungModel->loadWhere(
+				array('student_uid' => $uid)
+			);
+			if (isError($result)) {
+				$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+			}
+			if (!hasData($result))
+			{
+				$warning = true;
+				$output[] = $uid;
+			}
+		}
+		if($warning)
+		{
+			$uids = is_array($output) ? implode(", ", $output) : $output;
+			return $this->terminateWithError($this->p->t('abschlusspruefung', 'error_studentOhneFinalExam', ['id'=> $uids]), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess('step3');
+	}
+}

application/controllers/api/frontend/v1/stv/Address.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about addresses
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Address extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getNations' => self::PERM_LOGGED,
+			'getPlaces' => self::PERM_LOGGED
+		]);
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui'
+		]);
+	}
+
+	public function getNations()
+	{
+		$this->load->model('codex/Nation_model', 'NationModel');
+
+		$this->NationModel->addOrder('kurztext');
+
+		$result = $this->NationModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getPlaces($plz = null)
+	{
+		$this->load->model('codex/Gemeinde_model', 'GemeindeModel');
+
+		$this->load->library('form_validation');
+		
+		$this->form_validation->set_data(['address.plz' => $plz]);
+
+		$this->form_validation->set_rules('address.plz', 'PLZ', 'required|numeric|less_than[10000]', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'PLZ']),
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'PLZ']),
+			'less_than' => $this->p->t('ui', 'error_fieldLessThan10000', ['field' => 'PLZ'])
+		]);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$result = $this->GemeindeModel->getGemeindeByPlz($plz);
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/Akte.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * Controller for downloading Akte
+ */
+class Akte extends Auth_Controller
+{
+	/**
+	 * Calls the parent's constructor and prepares libraries and phrases
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'download' => ['admin:w', 'assistenz:w'],
+		]);
+
+		// Load models
+		$this->load->model('crm/Akte_model', 'AkteModel');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 *
+	 * Downloads an Akte
+	 */
+	public function download()
+	{
+		$akte_id = $this->input->get('akte_id');
+
+		if (!is_numeric($akte_id)) $this->terminateWithError('akte Id missing');
+
+		$result = $this->AkteModel->load($akte_id);
+
+		if (!hasData($result)) $this->terminateWithError('Akte not found');
+
+		$data = getData($result)[0];
+
+		if (isset($data->inhalt) && $data->inhalt != '')
+		{
+			header('Content-Description: File Transfer');
+			header('Content-Type: '. $data->mimetype);
+			header('Expires: 0');
+			header('Cache-Control: must-revalidate');
+			header('Pragma: public');
+			header('Content-Disposition: attachment; filename="'.$data->titel.'"');
+			echo base64_decode($data->inhalt);
+			die();
+		}
+	}
+}

application/controllers/api/frontend/v1/stv/Anrechnungen.php

@@ -0,0 +1,256 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Anrechnungen extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getAnrechnungen' => ['admin:r', 'assistenz:r'],
+			'deleteAnrechnung' => ['admin:rw', 'assistenz:rw'],
+			'getLehrveranstaltungen' => ['admin:r', 'assistenz:r'],
+			'getBegruendungen' => ['admin:r', 'assistenz:r'],
+			'getLektoren' => ['admin:r', 'assistenz:r'],
+			'getLvsKompatibel' => ['admin:r', 'assistenz:r'],
+			'insertAnrechnung' => ['admin:rw', 'assistenz:rw'],
+			'loadAnrechnung' => ['admin:rw', 'assistenz:rw'],
+			'updateAnrechnung' => ['admin:rw', 'assistenz:rw'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui', 'lehre'
+		]);
+
+		// Load models
+		$this->load->model('education/Anrechnung_model', 'AnrechnungsModel');
+	}
+
+	public function getAnrechnungen($prestudent_id)
+	{
+		$result = $this->AnrechnungsModel->getAnrechnungsData($prestudent_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getBegruendungen()
+	{
+		$this->load->model('education/Anrechnungbegruendung_model', 'AnrechnungbegrueundungsModel');
+
+		$result = $this->AnrechnungbegrueundungsModel->load();
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess(getData($result) ?: []);
+	}
+
+	public function getLehrveranstaltungen($prestudent_id)
+	{
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$result = $this->PrestudentstatusModel->getLastStatus($prestudent_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$studienplan_id = current($data)->studienplan_id;
+
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$result = $this->LehrveranstaltungModel->getLvsByStudienplanId($studienplan_id);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getLvsKompatibel($lehrveranstaltung_id)
+	{
+		$this->AnrechnungsModel->addJoin('lehre.tbl_lehrveranstaltung lv', 'ON (lv.lehrveranstaltung_id = lehre.tbl_anrechnung.lehrveranstaltung_id)');
+		$result = $this->AnrechnungsModel->loadWhere(
+			['lehrveranstaltung_id_kompatibel' => $lehrveranstaltung_id]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getLektoren($studiengang_kz)
+	{
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+
+		$result = $this->MitarbeiterModel->getLektoren($studiengang_kz);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function insertAnrechnung()
+	{
+		$this->load->library('form_validation');
+
+		$prestudent_id = $this->input->post('prestudent_id');
+
+		if(!$prestudent_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+		$_POST['lehrveranstaltung_id'] =
+			(isset($formData['lehrveranstaltung_id']) && !empty($formData['lehrveranstaltung_id']))
+			? $formData['lehrveranstaltung_id']
+			: null;
+		$_POST['lehrveranstaltung_id_kompatibel'] =
+			(isset($formData['lehrveranstaltung_id_kompatibel']) && !empty($formData['lehrveranstaltung_id_kompatibel']))
+				? $formData['lehrveranstaltung_id_kompatibel']
+				: null;
+		$_POST['begruendung'] =
+			(isset($formData['begruendung_id']) && !empty($formData['begruendung_id']))
+				? $formData['begruendung_id']
+				: null;
+		$_POST['genehmigtVon'] = (isset($formData['genehmigt_von']) && !empty($formData['genehmigt_von']))
+			? $formData['genehmigt_von']
+			: null;
+
+		$this->form_validation->set_rules('lehrveranstaltung_id', 'Lehrveranstaltung_id', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Lehrveranstaltung'])
+		]);
+
+		$this->form_validation->set_rules('begruendung', 'Begruendung', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Begruendung'])
+		]);
+
+		if($_POST['begruendung'] == 2)
+		{
+			$this->form_validation->set_rules('lehrveranstaltung_id_kompatibel', 'Lehrveranstaltung_id', 'required', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Lehrveranstaltung Kompatibel'])
+			]);
+		}
+
+		$this->form_validation->set_rules('genehmigtVon', 'GenehmigtVon', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'GenehmigtVon'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->AnrechnungsModel->insert(
+			[
+				'prestudent_id' => $prestudent_id,
+				'lehrveranstaltung_id' => $_POST['lehrveranstaltung_id'],
+				'lehrveranstaltung_id_kompatibel' => $_POST['lehrveranstaltung_id_kompatibel'],
+				'begruendung_id' => $_POST['begruendung'],
+				'genehmigt_von' => $_POST['genehmigtVon']
+			]
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadAnrechnung($anrechnung_id)
+	{
+		$this->AnrechnungsModel->addJoin('lehre.tbl_lehrveranstaltung lv', 'ON (lv.lehrveranstaltung_id = lehre.tbl_anrechnung.lehrveranstaltung_id)');
+		$result = $this->AnrechnungsModel->loadWhere(
+			array('anrechnung_id' => $anrechnung_id)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function updateAnrechnung()
+	{
+		$this->load->library('form_validation');
+
+		$anrechnung_id = $this->input->post('anrechnung_id');
+
+		if(!$anrechnung_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Anrechnung UID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+		$_POST['lehrveranstaltung_id'] =
+			(isset($formData['lehrveranstaltung_id']) && !empty($formData['lehrveranstaltung_id']))
+				? $formData['lehrveranstaltung_id']
+				: null;
+		$_POST['lehrveranstaltung_id_kompatibel'] =
+			(isset($formData['lehrveranstaltung_id_kompatibel']) && !empty($formData['lehrveranstaltung_id_kompatibel']))
+				? $formData['lehrveranstaltung_id_kompatibel']
+				: null;
+		$_POST['begruendung'] = (isset($formData['begruendung_id']) && !empty($formData['begruendung_id'])) ? $formData['begruendung_id'] : null;
+		$_POST['genehmigtVon'] = (isset($formData['genehmigt_von']) && !empty($formData['genehmigt_von'])) ? $formData['genehmigt_von'] : null;
+
+		$this->form_validation->set_rules('lehrveranstaltung_id', 'Lehrveranstaltung_id', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Lehrveranstaltung'])
+		]);
+
+		$this->form_validation->set_rules('begruendung', 'Begruendung', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Begruendung'])
+		]);
+
+		if($_POST['begruendung'] == 2)
+		{
+			$this->form_validation->set_rules('lehrveranstaltung_id_kompatibel', 'Lehrveranstaltung_id', 'required', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Lehrveranstaltung Kompatibel'])
+			]);
+		}
+
+		$this->form_validation->set_rules('genehmigtVon', 'GenehmigtVon', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'GenehmigtVon'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->AnrechnungsModel->update(
+			[
+				'anrechnung_id' => $anrechnung_id,
+			],
+			[
+
+				'lehrveranstaltung_id' => $_POST['lehrveranstaltung_id'],
+				'lehrveranstaltung_id_kompatibel' => $_POST['lehrveranstaltung_id_kompatibel'],
+				'begruendung_id' => $_POST['begruendung'],
+				'genehmigt_von' => $_POST['genehmigtVon']
+			]
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteAnrechnung($anrechnung_id)
+	{
+		// Start DB transaction
+		$this->db->trans_begin();
+
+		//delete anrechnung_id of table tbl_anrechnung_anrechnungstatus
+		$this->load->model('education/Anrechnunganrechnungstatus_model','AnrechnungAnrechnungstatusModel');
+		$result = $this->AnrechnungAnrechnungstatusModel->delete(
+			array('anrechnung_id' => $anrechnung_id)
+		);
+		$this->getDataOrTerminateWithError($result);
+
+		//delete anrechnung_id of table tbl_anrechnung
+		$result = $this->AnrechnungsModel->delete(
+			array('anrechnung_id' => $anrechnung_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->db->trans_commit();
+
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/Archiv.php

@@ -0,0 +1,257 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about archive documents
+ * Listens to ajax post calls to change the archive documents
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Archiv extends FHCAPI_Controller
+{
+	/**
+	 * Calls the parent's constructor and prepares libraries and phrases
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getArchiv' => ['admin:r', 'assistenz:r'],
+			'getArchivVorlagen' => ['admin:r', 'assistenz:r'],
+			'archive' => ['admin:w', 'assistenz:w'],
+			'download' => ['admin:w', 'assistenz:w'],
+			'update' => ['admin:w'],
+			'delete' => ['admin:w', 'assistenz:w'],
+		]);
+
+		// Load models
+		$this->load->model('crm/Akte_model', 'AkteModel');
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'archiv'
+		]);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Get archive documents for a person
+	 
+	 * @return void
+	 */
+	public function getArchiv()
+	{
+		$person_id = $this->input->get('person_id');
+
+		$this->load->library('form_validation');
+
+		if (!$person_id || !is_array($person_id))
+		{
+			$this->form_validation->set_rules('person_id', 'Person ID', 'required');
+
+			if (!$this->form_validation->run())
+				$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->AkteModel->getArchiv($person_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * Get Vorlagen for archiving documents
+	 * @return void
+	 */
+	public function getArchivVorlagen()
+	{
+		$result = $this->VorlageModel->getArchivVorlagen();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * 
+	 * @param
+	 * @return object success or error
+	 */
+	public function download()
+	{
+		$akte_id = $this->input->get('akte_id');
+
+		if (!is_numeric($akte_id)) $this->terminateWithError('akte Id missing');
+
+		$result = $this->AkteModel->load($akte_id);
+
+		if (!hasData($result)) $this->terminateWithError('Akte not found');
+
+		$data = getData($result)[0];
+
+		$fileObj = new stdClass();
+		if (isset($data->inhalt) && $data->inhalt != '')
+		{
+			// Define handle to output stream
+			$tmpFilePointer   = fopen("php://output", 'w');
+			$meta_data = stream_get_meta_data($tmpFilePointer);
+			$filename = $meta_data["uri"];
+			fwrite($tmpFilePointer, $data->inhalt);
+
+			header('Content-Description: File Transfer');
+			header('Content-Type: '. $data->mimetype);
+			header('Expires: 0');
+			header('Cache-Control: must-revalidate');
+			header('Pragma: public');
+			//header('Content-Length: ' . filesize($fileObj->file));
+			//header("Content-type: $data->mimetype");
+			header('Content-Disposition: attachment; filename="'.$data->titel.'"');
+			readfile($filename);
+			die();
+		}
+		else
+		{
+			$this->load->library('AkteLib');
+
+			$result = $this->aktelib->get($akte_id);
+		}
+	}
+
+	/**
+	 * Updating an Akte
+	 * @return void
+	 */
+	public function update()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('akte_id', 'Akte Id', 'required');
+		$this->form_validation->set_rules('signiert', 'Signiert', 'is_bool');
+		$this->form_validation->set_rules('stud_selfservice', 'Self-Service', 'is_bool');
+
+		//Events::trigger('konto_update_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$id = $this->input->post('akte_id');
+
+		// get the akte
+		$result = $this->AkteModel->load($id);
+
+		if (!hasData($result)) $this->terminateWithError("Akte not found!");
+
+		$akte = getData($result)[0];
+
+		$allowed = [
+			'signiert',
+			'stud_selfservice'
+		];
+
+		$data = [
+			'updateamum' => date('c'),
+			'updatevon' => getAuthUID()
+		];
+
+		// if Akte has Inhalt directly in Akte table
+		if (isset($_FILES['datei']['tmp_name']))
+		{
+		$this->addMeta('read', "read");
+			// update inhalt directly
+
+			// get tmp file
+			$filename = $_FILES['datei']['tmp_name'];
+			// open it
+			$fp = fopen($filename,'r');
+			// read it
+			$content = fread($fp, filesize($filename));
+			fclose($fp);
+			// encode it
+			$data['inhalt'] = base64_encode($content);
+			$this->addMeta('content', base64_encode($content));
+		}
+
+		
+		foreach ($allowed as $field)
+			if ($this->input->post($field) !== null)
+				$data[$field] = $this->input->post($field);
+
+		$this->addMeta("data", $data);
+
+		$result = $this->AkteModel->update($id, $data);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$result = null;
+
+		$this->terminateWithSuccess($result);
+	}
+
+
+	/**
+	 * Delete archived Akte
+	 *
+	 * @return void
+	 */
+	public function delete()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('akte_id', 'Akte ID', 'required');
+		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'has_permissions_for_stg[admin:rw,assistenz:rw]');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$akte_id = $this->input->post('akte_id');
+
+		$result = $this->AkteModel->load($akte_id);
+
+		if (!hasData($result))
+		{
+			$this->terminateWithError($this->p->t('archiv', 'error_missing', [
+				'akte_id' => $akte_id
+			]));
+		}
+
+		$result = getData($result)[0];
+
+		if ($result->dokument_kurzbz == 'Ausbvert'
+				&& isset($result->akzeptiertamum)
+				&& !isEmptyString($result->akzeptiertamum)
+				&& !has_permissions_for_stg($this->input->post('studiengang_kz'), 'admin:rw')
+		)
+		{
+			$this->terminateWithError($this->p->t('archiv', 'nur_admins_loschen_ausbildungsvertraege', [
+				'akte_id' => $akte_id
+			]));
+		}
+		
+		$result = $this->AkteModel->delete($akte_id);
+		if (isError($result)) $this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess();
+	}
+}

application/controllers/api/frontend/v1/stv/Aufnahmetermine.php

@@ -0,0 +1,413 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Aufnahmetermine extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getAufnahmetermine' => ['admin:r', 'assistenz:r'],
+			'loadAufnahmetermin' => ['admin:r', 'assistenz:r'],
+			'insertAufnahmetermin' => ['admin:rw', 'assistenz:rw'],
+			'updateAufnahmetermin' => ['admin:rw', 'assistenz:rw'],
+			'deleteAufnahmetermin' => ['admin:rw', 'assistenz:rw'],
+			'getListPlacementTests' => ['admin:r', 'assistenz:r'],
+			'getListStudyPlans' => ['admin:r', 'assistenz:r'],
+			'loadDataRtPrestudent' => ['admin:r', 'assistenz:r'],
+			'insertOrUpdateDataRtPrestudent' => ['admin:r', 'assistenz:r'],
+			'loadAufnahmegruppen' => ['admin:r', 'assistenz:r'],
+			'getResultReihungstest' => ['admin:r', 'assistenz:r'],
+			'getZukuenftigeReihungstestStg' => ['admin:r', 'assistenz:r'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'admission'
+		]);
+
+		// Load models
+		$this->load->model('crm/Reihungstest_model', 'ReihungstestModel');
+		$this->load->model('crm/RtPerson_model', 'RtPersonModel');
+	}
+
+	public function getAufnahmetermine($person_id)
+	{
+		$result = $this->ReihungstestModel->getReihungstestPerson($person_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function insertAufnahmetermin()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$formData = $this->input->post('formData');
+		$person_id = $this->input->post('person_id');
+
+		if(!$person_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+
+		$rt_id = (isset($formData['rt_id']) && !empty($formData['rt_id'])) ? $formData['rt_id'] : null;
+		$anmeldedatum =	(isset($formData['anmeldedatum']) && !empty($formData['anmeldedatum'])) ? $formData['anmeldedatum'] : null;
+		$teilgenommen =	(isset($formData['teilgenommen']) && !empty($formData['teilgenommen'])) ? $formData['teilgenommen'] : false;
+		$studienplan_id = (isset($formData['studienplan_id']) && !empty($formData['studienplan_id'])) ? $formData['studienplan_id'] : null;
+		$punkte = (isset($formData['punkte']) && !empty($formData['punkte'])) ? $formData['punkte'] : null;
+
+		//validation if there is already an RT with chosen data existing
+		$result = $this->RtPersonModel->loadWhere(
+			array(
+				'rt_id' => $rt_id,
+				'person_id' => $person_id,
+				'studienplan_id' => $studienplan_id,
+				)
+		);
+		$data = getData($result);
+		if($data)
+			return $this->terminateWithError("Error", self::ERROR_TYPE_GENERAL);
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('punkte', 'Punkte', 'numeric', [
+			'required' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Punkte'])
+		]);
+		$this->form_validation->set_rules('studienplan_id', 'studienplan_id', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Studienplan'])
+		]);
+		$this->form_validation->set_rules('rt_id', 'Reihungstest_id', 'required', [
+			'is_valid_date' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Reihungstest'])
+		]);
+		$this->form_validation->set_rules('anmeldedatum', 'AnmeldeDatum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Anmeldedatum'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->RtPersonModel->insert([
+			'person_id' => $person_id,
+			'rt_id' => $rt_id,
+			'anmeldedatum' => $anmeldedatum,
+			'teilgenommen' => $teilgenommen,
+			'studienplan_id' => $studienplan_id,
+			'punkte' => $punkte,
+			'insertamum' => date('c'),
+			'insertvon' => $authUID,
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadAufnahmetermin($rt_person_id)
+	{
+		$result = $this->RtPersonModel->loadWhere(
+			array('rt_person_id' => $rt_person_id)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function updateAufnahmetermin()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$formData = $this->input->post('formData');
+		$rt_person_id = $this->input->post('rt_person_id');
+		$person_id = (isset($formData['person_id']) && !empty($formData['person_id'])) ? $formData['person_id'] : null;
+
+
+		if(!$person_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+		}
+		if(!$rt_person_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'RT_Person ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$rt_id =	(isset($formData['rt_id']) && !empty($formData['rt_id'])) ? $formData['rt_id'] : null;
+		$anmeldedatum =	(isset($formData['anmeldedatum']) && !empty($formData['anmeldedatum'])) ? $formData['anmeldedatum'] : null;
+		$teilgenommen =	(isset($formData['teilgenommen']) && !empty($formData['teilgenommen'])) ? $formData['teilgenommen'] : false;
+		$studienplan_id = (isset($formData['studienplan_id']) && !empty($formData['studienplan_id'])) ? $formData['studienplan_id'] : null;
+		$punkte = (isset($formData['punkte']) && !empty($formData['punkte'])) ? $formData['punkte'] : null;
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('punkte', 'Punkte', 'numeric', [
+			'required' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Punkte'])
+		]);
+		$this->form_validation->set_rules('studienplan_id', 'studienplan_id', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Studienplan'])
+		]);
+		$this->form_validation->set_rules('rt_id', 'Reihungstest_id', 'required', [
+			'is_valid_date' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Reihungstest'])
+		]);
+
+		$this->form_validation->set_rules('anmeldedatum', 'AnmeldeDatum', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Anmeldedatum'])
+		]);
+
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->RtPersonModel->update(
+			[
+				'rt_person_id' => $rt_person_id,
+			],
+			[
+				'rt_id' => $rt_id,
+				'anmeldedatum' => $anmeldedatum,
+				'teilgenommen' => $teilgenommen,
+				'studienplan_id' => $studienplan_id,
+				'punkte' => $punkte,
+				'insertamum' => date('c'),
+				'insertvon' => $authUID,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteAufnahmetermin($rt_person_id)
+	{
+		$result = $this->RtPersonModel->delete(
+			array('rt_person_id' => $rt_person_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getListPlacementTests($prestudent_id)
+	{
+		if(!$prestudent_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		//get studienplan array
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+
+		$this->PrestudentstatusModel->addSelect('*');
+		$this->PrestudentstatusModel->addSelect('sp.studienplan_id');
+
+		$this->PrestudentstatusModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
+
+		$result = $this->PrestudentstatusModel->loadWhere(
+			array(
+				'prestudent_id' => $prestudent_id,
+				'status_kurzbz' => 'Interessent'
+			)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$studienplan_arr = [];
+		$include_ids = [];
+		foreach ($data as $item)
+		{
+			if($item->studienplan_id != null)
+				$studienplan_arr[] = $item->studienplan_id;
+		}
+
+		//get Placementtests Person
+		$person_id = $this->_getPersonId($prestudent_id);
+		$resultRt = $this->ReihungstestModel->getReihungstestPerson($person_id);
+
+		$dataRt = $this->getDataOrTerminateWithError($resultRt);
+
+		foreach ($dataRt as $item)
+		{
+			if(!in_array($item->studienplan_id, $studienplan_arr))
+				$studienplan_arr[] = $item->studienplan_id;
+			if(!in_array($item->rt_id, $include_ids) && ($item->rt_id != null))
+				$include_ids[] = $item->rt_id;
+		}
+
+		$result = $this->ReihungstestModel->getReihungstestByStudyPlanAndIds($studienplan_arr, $include_ids);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getListStudyPlans($person_id)
+	{
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$result = $this->StudienplanModel->getStudienplaeneForPerson($person_id);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadDataRtPrestudent($prestudent_id)
+	{
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+		$this->PrestudentModel->addSelect(["reihungstestangetreten"]);
+		$this->PrestudentModel->addSelect(["rt_gesamtpunkte"]);
+		$this->PrestudentModel->addSelect(["aufnahmegruppe_kurzbz"]);
+		$result = $this->PrestudentModel->loadWhere(
+			array('prestudent_id' => $prestudent_id)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function insertOrUpdateDataRtPrestudent()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$formData = $this->input->post('formData');
+		$prestudent_id = $this->input->post('prestudent_id');
+
+		if(!$prestudent_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+		}
+		$rt_gesamtpunkte =
+			(isset($formData['rt_gesamtpunkte']) && !empty($formData['rt_gesamtpunkte']))
+				? $formData['rt_gesamtpunkte']
+				: null;
+		$reihungstestangetreten =
+			(isset($formData['reihungstestangetreten']) && !empty($formData['reihungstestangetreten']))
+				? $formData['reihungstestangetreten']
+				: false;
+		$aufnahmegruppe_kurzbz =
+			(isset($formData['aufnahmegruppe_kurzbz']) && !empty($formData['aufnahmegruppe_kurzbz']))
+				? $formData['aufnahmegruppe_kurzbz']
+				: null;
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('rt_gesamtpunkte', 'Rt_gesamtpunkte', 'numeric', [
+			'required' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Rt_gesamtpunkte'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+		$result = $this->PrestudentModel->update(
+			[
+				'prestudent_id' => $prestudent_id,
+			],
+			[
+				'reihungstestangetreten' => $reihungstestangetreten,
+				'rt_gesamtpunkte' => $rt_gesamtpunkte,
+				'aufnahmegruppe_kurzbz' => $aufnahmegruppe_kurzbz,
+				'updateamum' => date('c'),
+				'updatevon' => $authUID,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadAufnahmegruppen()
+	{
+		$uid = $this->input->get('uid');
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+
+		$this->load->model('person/Benutzergruppe_model', 'BenutzergruppeModel');
+
+		$result = $this->BenutzergruppeModel->loadAufnahmegruppen($uid, $studiensemester_kurzbz);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(($data));
+	}
+
+	public function getResultReihungstest()
+	{
+		$person_id = $this->input->get('person_id');
+		$punkte = $this->input->get('punkte');
+		$reihungstest_id = $this->input->get('reihungstest_id');
+
+		if(!$reihungstest_id)
+		{
+			$this->terminateWithSuccess(null);
+		}
+
+		//for gewichtung
+		$studiengang_kz = $this->input->get('studiengang_kz');
+
+		$this->load->model('testtool/Ablauf_model', 'AblaufModel');
+		$result = $this->AblaufModel->getAblaufGebieteAndGewichte($studiengang_kz);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$weightedArray = [];
+		foreach ($data as $abl)
+		{
+			$weightedArray[$abl->gebiet_id] = $abl->gewicht;
+		}
+
+		$result = $this->ReihungstestModel->getReihungstestErgebnisPerson($person_id, $punkte, $reihungstest_id, $weightedArray);
+
+/*		if (isError($result))
+		{
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}*/
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getZukuenftigeReihungstestStg()
+	{
+		$studiengang_kz = $this->input->get('studiengang_kz');
+		if(!$studiengang_kz)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->ReihungstestModel->getZukuenftigeReihungstestStg($studiengang_kz);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	private function _getPersonId($prestudent_id)
+	{
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+		$result = $this->PrestudentModel->loadWhere(
+			['prestudent_id' => $prestudent_id]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$person = current($data);
+
+		return $person->person_id;
+	}
+}

application/controllers/api/frontend/v1/stv/Config.php

@@ -0,0 +1,834 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about the StV Config
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Config extends FHCAPI_Controller
+{
+
+
+	public function __construct()
+	{
+		// TODO(chris): permissions
+		parent::__construct([
+			'get' => ['admin:r', 'assistenz:r'],
+			'set' => ['admin:r', 'assistenz:r'],
+			'filter' => ['admin:r', 'assistenz:r'],
+			'student' => ['admin:r', 'assistenz:r'],
+			'students' => ['admin:r', 'assistenz:r']
+		]);
+
+
+		// Load Phrases
+		$this->loadPhrases([
+			'global',
+			'person',
+			'lehre',
+			'stv',
+			'konto',
+			'abschlusspruefung',
+			'projektarbeit'
+		]);
+
+		// Load Config
+		$this->load->config('stv');
+	}
+
+	/**
+	 * get App config
+	 */
+	public function get()
+	{
+		$this->load->model('system/Variable_model', 'VariableModel');
+		$this->load->config('stv');
+
+		$config = [];
+
+		#number_displayed_past_studiensemester
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['number_displayed_past_studiensemester']);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$number_displayed_past_studiensemester_default = $this->config->item('number_displayed_past_studiensemester_default');
+
+		$config['number_displayed_past_studiensemester'] = [
+			"type" => "number",
+			"label" => $this->p->t('stv', 'settings_no_displayed_past_sem'),
+			"value" => $data['number_displayed_past_studiensemester']
+				?? $number_displayed_past_studiensemester_default
+		];
+
+		#font_size
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['stv_font_size']);
+		$data = $this->getDataOrTerminateWithError($result);
+		$config['font_size'] = [
+			"type" => "select",
+			"label" => $this->p->t('stv', 'settings_fontsize'),
+			"value" => $data['stv_font_size'] ?? "fs_normal",
+			"options" => [
+				"fs_xx-small" => $this->p->t('stv', 'settings_fontsize_xx-small'),
+				"fs_x-small" => $this->p->t('stv', 'settings_fontsize_x-small'),
+				"fs_small" => $this->p->t('stv', 'settings_fontsize_small'),
+				"fs_normal" => $this->p->t('stv', 'settings_fontsize_normal'),
+				"fs_big" => $this->p->t('stv', 'settings_fontsize_big'),
+				"fs_huge" => $this->p->t('stv', 'settings_fontsize_huge')
+			]
+		];
+
+		#others
+		Events::trigger('stv_config_get', function & () use (&$config) {
+			return $config;
+		});
+
+		$this->terminateWithSuccess($config);
+	}
+
+	/**
+	 * set App config
+	 */
+	public function set()
+	{
+		$this->load->model('system/Variable_model', 'VariableModel');
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules(
+			'number_displayed_past_studiensemester',
+			$this->p->t('stv', 'settings_no_displayed_past_sem'),
+			'required|integer'
+		);
+		$this->form_validation->set_rules(
+			'font_size',
+			$this->p->t('stv', 'settings_fontsize'),
+			'required|in_list[fs_xx-small,fs_x-small,fs_small,fs_normal,fs_big,fs_huge]'
+		);
+
+		Events::trigger('stv_config_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$this->VariableModel->setVariable(
+			getAuthUID(),
+			'number_displayed_past_studiensemester',
+			$this->input->post('number_displayed_past_studiensemester')
+		);
+		$this->VariableModel->setVariable(
+			getAuthUID(),
+			'stv_font_size',
+			$this->input->post('font_size')
+		);
+
+		Events::trigger('stv_config_set', $this->input);
+
+		$this->terminateWithSuccess();
+	}
+	
+	/*
+	 * Get the config for the student filters
+	 *
+	 * @return void
+	 */
+	public function filter()
+	{
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		$this->load->model('crm/Buchungstyp_model', 'BuchungstypModel');
+
+		$this->BuchungstypModel->addOrder('beschreibung');
+		
+		$result = $this->BuchungstypModel->load();
+
+		$buchungstyp_kurzbz = $this->getDataOrTerminateWithError($result);
+		$buchungstyp_kurzbz_plus_all = array_merge([[
+			'buchungstyp_kurzbz' => 'all',
+			'beschreibung' => $this->p->t('stv', 'konto_all_types')
+		]], $buchungstyp_kurzbz);
+
+		$this->load->model('crm/Statusgrund_model', 'StatusgrundModel');
+
+		$result = $this->StatusgrundModel->getAktiveGruende();
+		
+		$statusgruende = $this->getDataOrTerminateWithError($result);
+
+		$result = [];
+
+		$result[] = [
+			'id' => 'filter_konto_count_0',
+			'label' => $this->p->t('stv', 'filter_konto_count_0'),
+			'type' => 'konto',
+			'fixed' => [
+				'missing' => true,
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_counter',
+			'label' => $this->p->t('stv', 'filter_konto_missing_counter'),
+			'type' => 'konto_counter',
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz_plus_all,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				],
+				'samestg' => [
+					'type' => 'bool',
+					'label' => $this->p->t('stv', 'filter_konto_samestg'),
+					'default' => $this->variablelib->getVar('kontofilterstg') == 'true'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_documents',
+			'label' => $this->p->t('stv', 'filter_documents'),
+			'type' => 'documents'
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_counter_past',
+			'label' => $this->p->t('stv', 'filter_konto_missing_counter_past'),
+			'type' => 'konto_counter',
+			'fixed' => [
+				'past' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz_plus_all,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				],
+				'samestg' => [
+					'type' => 'bool',
+					'label' => $this->p->t('stv', 'filter_konto_samestg'),
+					'default' => $this->variablelib->getVar('kontofilterstg') == 'true'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_studiengebuehr',
+			'label' => $this->p->t('stv', 'filter_konto_missing_studiengebuehr'),
+			'type' => 'konto',
+			'fixed' => [
+				'missing' => true,
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_studiengebuehrerhoeht',
+			'label' => $this->p->t('stv', 'filter_konto_studiengebuehrerhoeht'),
+			'type' => 'konto',
+			'fixed' => [
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_zgv_without_date',
+			'label' => $this->p->t('stv', 'filter_zgv_without_date'),
+			'type' => 'zgv'
+		];
+		$result[] = [
+			'id' => 'filter_statusgrund',
+			'label' => $this->p->t('stv', 'filter_statusgrund'),
+			'type' => 'statusgrund',
+			'fixed' => [
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'statusgrund_id' => [
+					'type' => 'select',
+					'values' => $statusgruende,
+					'value_key' => 'statusgrund_id',
+					'label_key' => 'bezeichnung'
+				]
+			]
+		];
+
+		Events::trigger('stv_conf_filter', function & () use (&$result) {
+			return $result;
+		});
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function student()
+	{
+		$result = [];
+		$config = $this->config->item('tabs');
+
+		$result['details'] = [
+			'title' => $this->p->t('stv', 'tab_details'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Details.js'),
+			'config' => $config['details']
+		];
+
+		$result['notes'] = [
+			'title' => $this->p->t('stv', 'tab_notes'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Notizen.js'),
+			'config'	=> $config['notes'],
+			'showSuffix' => ($config['notes']['showCountNotes'] ?? false),
+			'suffixhelper' => absoluteJsImportUrl('public/js/helpers/Stv/Studentenverwaltung/Details/Notizen/NotizenSuffixHelper.js')
+		];
+
+		$result['contact'] = [
+			'title' => $this->p->t('stv', 'tab_contact'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Kontakt.js'),
+			'config' => [
+				'showBankaccount' => $this->permissionlib->isBerechtigt('mitarbeiter/bankdaten')
+					|| $this->permissionlib->isBerechtigt('student/bankdaten')
+			]
+		];
+		$result['prestudent'] = [
+			'title' => $this->p->t('stv', 'tab_prestudent'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Prestudent.js'),
+			'config' => $config['prestudent']
+		];
+		$result['status'] = [
+			'title' => 'Status',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js'),
+			'config' => [
+				'showStatusVorruecken' => defined('STATUS_VORRUECKEN_ANZEIGEN') ? STATUS_VORRUECKEN_ANZEIGEN : true,
+			]
+		];
+		$result['documents'] = [
+			'title' => $this->p->t('stv', 'tab_documents'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Dokumente.js')
+		];
+		$result['banking'] = [
+			'title' => $this->p->t('stv', 'tab_banking'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Konto.js'),
+			'config' => [
+				'showZahlungsbestaetigung' => (defined('ZAHLUNGSBESTAETIGUNG_ANZEIGEN') && ZAHLUNGSBESTAETIGUNG_ANZEIGEN),
+				'showBuchungsnr' => $this->permissionlib->isBerechtigt('admin'),
+				'showMahnspanne' => (!defined('FAS_KONTO_SHOW_MAHNSPANNE') || FAS_KONTO_SHOW_MAHNSPANNE===true),
+				'showCreditpoints' => (defined('FAS_KONTO_SHOW_CREDIT_POINTS') && FAS_KONTO_SHOW_CREDIT_POINTS == 'true'),
+				'columns' => $this->kontoColumns(),
+				'additionalCols' => []
+			]
+		];
+		$result['resources'] = [
+			'title' => $this->p->t('stv', 'tab_resources'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Betriebsmittel.js'),
+			'showOnlyWithUid' => true
+		];
+		$result['groups'] = [
+			'title' => $this->p->t('stv', 'tab_groups'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Groups.js'),
+			'showOnlyWithUid' => true
+		];
+		$result['messages'] = [
+			'title' => $this->p->t('stv', 'tab_messages'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Messages.js'),
+		];
+
+		$result['grades'] = [
+			'title' => $this->p->t('stv', 'tab_grades'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Noten.js'),
+			'showOnlyWithUid' => true,
+			'config' => [
+				'usePoints' => defined('CIS_GESAMTNOTE_PUNKTE') && CIS_GESAMTNOTE_PUNKTE,
+				'edit' => 'both', // Possible values: both|header|inline
+				'delete' => 'both', // Possible values: both|header|inline
+				'documents' => 'both', // Possible values: both|header|inline
+				'documentslist' => $this->gradesDocumentsList()
+			]
+		];
+
+		$result['exam'] = [
+			'title' => $this->p->t('stv', 'tab_exam'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Pruefung.js'),
+			'showOnlyWithUid' => true
+		];
+
+		$result['exemptions'] = [
+			'title' => $this->p->t('lehre', 'anrechnungen'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Anrechnungen.js'),
+			'config' => $config['exemptions']
+		];
+
+		$result['finalexam'] = [
+			'title' => $this->p->t('stv', 'tab_finalexam'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Abschlusspruefung.js'),
+			'showOnlyWithUid' => true,
+			'config' => $config['finalexam']
+		];
+
+		$result['projektarbeit'] = [
+			'title' => $this->p->t('stv', 'tab_projektarbeit'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Projektarbeit.js'),
+			'config' => array_merge(
+				$config['projektarbeit'],
+				['showVertragsdetails' =>
+					defined('FAS_STUDIERENDE_PROJEKTARBEIT_VERTRAGSDETAILS_ANZEIGEN') && FAS_STUDIERENDE_PROJEKTARBEIT_VERTRAGSDETAILS_ANZEIGEN]
+			)
+		];
+
+		$result['mobility'] = [
+			'title' => $this->p->t('stv', 'tab_mobility'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Mobility.js'),
+			'showOnlyWithUid' => true
+		];
+
+		$result['archive'] = [
+			'title' => $this->p->t('stv', 'tab_archive'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Archiv.js'),
+			'config' => [
+				'showEdit' => $this->permissionlib->isBerechtigt('admin')
+			]
+		];
+
+		$result['jointstudies'] = [
+			'title' => $this->p->t('stv', 'tab_jointstudies'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/JointStudies.js'),
+			'showOnlyWithUid' => true
+		];
+
+		$result['coursedates'] = [
+			'title' => $this->p->t('stv', 'tab_courseDates'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Lehrveranstaltungstermine.js')
+		];
+
+		$result['admissionDates'] = [
+			'title' => $this->p->t('stv', 'tab_admissionDates'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Aufnahmetermine.js')
+		];
+
+		$result['functions'] = [
+			'title' => $this->p->t('stv', 'tab_functions'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Funktionen.js'),
+			'showOnlyWithUid' => true
+		];
+
+		Events::trigger('stv_conf_student', function & () use (&$result) {
+			return $result;
+		});
+
+		$sortConfig = $this->config->item('student_tab_order');
+
+		$this->terminateWithSuccess($this->sortTabList($result, $sortConfig));
+	}
+
+	public function students()
+	{
+		$result = [];
+		$config = $this->config->item('tabs');
+		$result['banking'] = [
+			'title' => $this->p->t('stv', 'tab_banking'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Konto.js'),
+			'config' => [
+				'showZahlungsbestaetigung' => (defined('ZAHLUNGSBESTAETIGUNG_ANZEIGEN') && ZAHLUNGSBESTAETIGUNG_ANZEIGEN),
+				'showBuchungsnr' => $this->permissionlib->isBerechtigt('admin'),
+				'showMahnspanne' => (!defined('FAS_KONTO_SHOW_MAHNSPANNE') || FAS_KONTO_SHOW_MAHNSPANNE===true),
+				'showCreditpoints' => (defined('FAS_KONTO_SHOW_CREDIT_POINTS') && FAS_KONTO_SHOW_CREDIT_POINTS == 'true'),
+				'columns' => $this->kontoColumnsMultiPerson(),
+				'additionalCols' => []
+			]
+		];
+		$result['groups'] = [
+			'title' => $this->p->t('stv', 'tab_groups'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Groups.js'),
+			'showOnlyWithUid' => true
+		];
+		$result['status'] = [
+			'title' => 'Status',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js'),
+			'config' => [
+				'changeStatusToAbbrecherStgl' => $this->permissionlib->isBerechtigt('admin'),
+				'changeStatusToAbbrecherStud' => $this->permissionlib->isBerechtigt('admin'),
+				'changeStatusToUnterbrecher' => $this->permissionlib->isBerechtigt('admin'),
+				'changeStatusToDiplomand' => $this->permissionlib->isBerechtigt('admin'),
+				'changeStatusToAbsolvent' => $this->permissionlib->isBerechtigt('admin')
+			]
+		];
+		$result['finalexam'] = [
+			'title' => $this->p->t('stv', 'tab_finalexam'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Abschlusspruefung.js'),
+			'showOnlyWithUid' => true,
+			'config' => $config['finalexam']
+		];
+		$result['archive'] = [
+			'title' => $this->p->t('stv', 'tab_archive'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Archiv.js'),
+			'config' => [
+				'showEdit' => $this->permissionlib->isBerechtigt('admin')
+			]
+		];
+
+		if($this->permissionlib->isBerechtigt('basis/person'))
+		{
+			$result['combinePeople'] = [
+				'title' => $this->p->t('stv', 'tab_combine_people'),
+				'component' => './Stv/Studentenverwaltung/Details/CombinePeople.js',
+				'config' => $config['combinePeople']
+			];
+		}
+
+		$result['kontaktieren'] = [
+			'title' => $this->p->t('stv', 'tab_kontaktieren'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Kontaktieren.js'),
+		];
+
+		$result['messages'] = [
+			'title' => $this->p->t('stv', 'tab_messages'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Messages.js'),
+		];
+
+		Events::trigger('stv_conf_students', function & () use (&$result) {
+			return $result;
+		});
+
+		$sortConfig = $this->config->item('students_tab_order');
+
+		$this->terminateWithSuccess($this->sortTabList($result, $sortConfig));
+	}
+
+	protected function kontoColumns()
+	{
+		return [
+			'buchungsdatum' => [
+				'field' => "buchungsdatum",
+				'title' => $this->p->t('konto', 'buchungsdatum')
+			],
+			'buchungstext' => [
+				'field' => "buchungstext",
+				'title' => $this->p->t('konto', 'buchungstext')
+			],
+			'betrag' => [
+				'field' => "betrag",
+				'title' => $this->p->t('konto', 'betrag')
+			],
+			'studiensemester_kurzbz' => [
+				'field' => "studiensemester_kurzbz",
+				'title' => $this->p->t('lehre', 'studiensemester')
+			],
+			'buchungstyp_kurzbz' => [
+				'field' => "buchungstyp_kurzbz",
+				'title' => $this->p->t('konto', 'buchungstyp'),
+				'visible' => false
+			],
+			'buchungsnr' => [
+				'field' => "buchungsnr",
+				'title' => $this->p->t('konto', 'buchungsnr'),
+				'visible' => false
+			],
+			'insertvon' => [
+				'field' => "insertvon",
+				'title' => $this->p->t('global', 'insertvon'),
+				'visible' => false
+			],
+			'insertamum' => [
+				'field' => "insertamum",
+				'title' => $this->p->t('global', 'insertamum'),
+				'visible' => false
+			],
+			'kuerzel' => [
+				'field' => "kuerzel",
+				'title' => $this->p->t('lehre', 'studiengang'),
+				'visible' => false
+			],
+			'anmerkung' => [
+				'field' => "anmerkung",
+				'title' => $this->p->t('global', 'anmerkung')
+			],
+			'actions' => [
+				'title' => $this->p->t('global', 'actions'),
+				'frozen' => true
+			]
+		];
+	}
+	protected function kontoColumnsMultiPerson()
+	{
+		return [
+			'person_id' => [
+				'field' => "person_id",
+				'title' => $this->p->t('person', 'person_id')
+			],
+			'anrede' => [
+				'field' => "anrede",
+				'title' => $this->p->t('person', 'anrede'),
+				'visible' => false
+			],
+			'titelpost' => [
+				'field' => "titelpost",
+				'title' => $this->p->t('person', 'titelpost'),
+				'visible' => false
+			],
+			'titelpre' => [
+				'field' => "titelpre",
+				'title' => $this->p->t('person', 'titelpre'),
+				'visible' => false
+			],
+			'vorname' => [
+				'field' => "vorname",
+				'title' => $this->p->t('person', 'vorname')
+			],
+			'vornamen' => [
+				'field' => "vornamen",
+				'title' => $this->p->t('person', 'vornamen'),
+				'visible' => false
+			],
+			'nachname' => [
+				'field' => "nachname",
+				'title' => $this->p->t('person', 'nachname')
+			]
+		] + $this->kontoColumns();
+	}
+
+	/**
+	 * Helper function to generate the default documentslist config for the
+	 * grades tab.
+	 *
+	 * The resulting array consists of elements which are associative arrays
+	 * that can have the following entries:
+	 * title			(required) on the first level this can be HTML code.
+	 * permissioncheck	(optional) an URL to an FHCAPI endpoint which returns
+	 * 						true or false.
+	 * link				(optional) an URL that will be called if "action" and
+	 * 						"children" are not defined.
+	 * action			(optional) an associative array that describes an
+	 * 						POST action that will be called if "children" is
+	 * 						not defined.
+	 * 						It can have the following entries:
+	 * - url			(required) an URL to an FHCAPI endpoint.
+	 * - post			(optional) an associative array with the POST data to
+	 * 						be sent.
+	 * - response		(optional) a string that will be displayed on success.
+	 * children			(optional) an array of child elements
+	 *
+	 * All strings that start with { and end with } in the URLs and the
+	 * actions post parameter will be replaced with the corresponding
+	 * attribute of the current dataset (e.G: {uid} will be replaced with the
+	 * uid of the current dataset)
+	 *
+	 * @return array
+	 */
+	protected function gradesDocumentsList()
+	{
+		$permissioncheck = site_url("api/frontend/v1/documents/permissionAlternativeFormat/{studiengang_kz}");
+
+		$title_ger = $this->p->t("global", "deutsch");
+		$title_eng = $this->p->t("global", "englisch");
+		$title_ff = $this->p->t("stv", "document_certificate");
+		$title_lv = $this->p->t("stv", "document_coursecertificate");
+
+		$link_ff = "documents/export/" .
+			"zertifikat.rdf.php/" .
+			"Zertifikat" .
+			"?stg_kz={studiengang_kz_lv}" .
+			"&uid={uid}" .
+			"&ss={studiensemester_kurzbz}" .
+			"&lvid={lehrveranstaltung_id}";
+		$link_lv_ger = "documents/export/" .
+			"lehrveranstaltungszeugnis.rdf.php/" .
+			"LVZeugnis" .
+			"?stg_kz={studiengang_kz}" .
+			"&uid={uid}" .
+			"&ss={studiensemester_kurzbz}" .
+			"&lvid={lehrveranstaltung_id}";
+		$link_lv_eng = "documents/export/" .
+			"lehrveranstaltungszeugnis.rdf.php/" .
+			"LVZeugnisEng" .
+			"?stg_kz={studiengang_kz}" .
+			"&uid={uid}" .
+			"&ss={studiensemester_kurzbz}" .
+			"&lvid={lehrveranstaltung_id}";
+
+		$archive_url = "api/frontend/v1/documents/archiveSigned";
+		$archive_response = $this->p->t("stv", "document_signed_and_archived");
+		$archive_post_ff = [
+			"xml" => "zertifikat.rdf.php",
+			"xsl" => "Zertifikat",
+			"stg_kz" => "{studiengang_kz_lv}",
+			"uid" => "{uid}",
+			"ss" => "{studiensemester_kurzbz}",
+			"lvid" => "{lehrveranstaltung_id}"
+		];
+		$archive_post_lv_ger = [
+			"xml" => "lehrveranstaltungszeugnis.rdf.php",
+			"xsl" => "LVZeugnis",
+			"stg_kz" => "{studiengang_kz}",
+			"uid" => "{uid}",
+			"ss" => "{studiensemester_kurzbz}",
+			"lvid" => "{lehrveranstaltung_id}"
+		];
+		$archive_post_lv_eng = [
+			"xml" => "lehrveranstaltungszeugnis.rdf.php",
+			"xsl" => "LVZeugnisEng",
+			"stg_kz" => "{studiengang_kz}",
+			"uid" => "{uid}",
+			"ss" => "{studiensemester_kurzbz}",
+			"lvid" => "{lehrveranstaltung_id}"
+		];
+
+		$list = [
+			[
+				'title' => '<i class="fa fa-download" title="' . $this->p->t("stv", "document_download") . '"></i>',
+				'children' => [
+					[
+						'title' => $title_ff,
+						'link' => site_url($link_ff)
+					],
+					[
+						'title' => $title_lv,
+						'children' => [
+							[
+								'title' => $title_ger,
+								'link' => site_url($link_lv_ger),
+								'children' => [
+									[
+										'title' => 'PDF',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_ger)
+									],
+									[
+										'title' => 'DOC',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_ger . "&output=doc")
+									],
+									[
+										'title' => 'ODT',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_ger . "&output=odt")
+									]
+								]
+							],
+							[
+								'title' => $title_eng,
+								'link' => site_url($link_lv_eng),
+								'children' => [
+									[
+										'title' => 'PDF',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_eng)
+									],
+									[
+										'title' => 'DOC',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_eng . "&output=doc")
+									],
+									[
+										'title' => 'ODT',
+										'permissioncheck' => $permissioncheck,
+										'link' => site_url($link_lv_eng . "&output=odt")
+									]
+								]
+							]
+						]
+					]
+				]
+			],
+			[
+				'title' => '<i class="fas fa-archive" title="' . $this->p->t("stv", "document_archive") . '"></i>',
+				'children' => [
+					[
+						'title' => $title_ff,
+						'action' => [
+							'url' => site_url($archive_url),
+							'post' => $archive_post_ff,
+							'response' => $archive_response
+						]
+					],
+					[
+						'title' => $title_lv,
+						'children' => [
+							[
+								'title' => $title_ger,
+								'action' => [
+									'url' => site_url($archive_url),
+									'post' => $archive_post_lv_ger,
+									'response' => $archive_response
+								]
+							],
+							[
+								'title' => $title_eng,
+								'action' => [
+									'url' => site_url($archive_url),
+									'post' => $archive_post_lv_eng,
+									'response' => $archive_response
+								]
+							]
+						]
+					]
+				]
+			]
+		];
+
+		return $list;
+	}
+
+	/**
+	 * Sort tab list
+	 *
+	 * @param array		$input
+	 * @param array		$config
+	 *
+	 * @return array
+	 */
+	protected function sortTabList($input, $config)
+	{
+		// prepare config
+		if (!$config || !is_array($config))
+			$config = [];
+		else
+			$config = array_flip($config);
+
+		// fill missing items in config
+		foreach (array_keys($input) as $key) {
+			if (!isset($config[$key]))
+				$config[$key] = count($config);
+		}
+
+		// do the sorting
+		uksort($input, function ($a, $b) use ($config) {
+			return $config[$a] - $config[$b];
+		});
+		
+		return $input;
+	}
+}

application/controllers/api/frontend/v1/stv/Dokumente.php

@@ -0,0 +1,990 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \CI3_Events as Events;
+use \DateTime as DateTime;
+
+class Dokumente extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getDocumentsUnaccepted' => ['admin:r', 'assistenz:r'],
+			'getDocumentsAccepted' => ['admin:r', 'assistenz:r'],
+			'deleteZuordnung' => ['admin:rw', 'assistenz:rw'],
+			'createZuordnung' => ['admin:rw', 'assistenz:rw'],
+			'loadAkte' => ['admin:rw', 'assistenz:rw'],
+			'deleteAkte' => ['admin:rw', 'assistenz:rw'],
+			'updateAkte' => ['admin:rw', 'assistenz:rw'],
+			'getDoktypen' => ['admin:r', 'assistenz:r'],
+			'uploadDokument' => ['admin:rw', 'assistenz:rw'],
+			'download' => ['admin:rw', 'assistenz:rw'],
+			'getDocumentDropDown' => ['admin:rw', 'assistenz:rw'],
+			'getDocumentDropDownMulti' => ['admin:rw', 'assistenz:rw'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+		$this->load->library('DmsLib', array('who' => getAuthUID()));
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'dokumente'
+		]);
+
+		// Load models
+		$this->load->model('crm/Akte_model', 'AkteModel');
+		$this->load->model('crm/Dokument_model', 'DokumentModel');
+		$this->load->model('crm/Dokumentprestudent_model', 'DokumentprestudentModel');
+
+		//TODO(Manu) check additional Berechtigungen
+		//TODO(Manu) check if using dokument lib instead of dokument model?
+	}
+
+	public function getDocumentsUnaccepted($prestudent_id, $studiengang_kz)
+	{
+		if(!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!is_numeric($prestudent_id))
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+		$person_id = $this->_getPersonId($prestudent_id);
+		$result = $this->DokumentModel->getUnacceptedDocuments($prestudent_id, $person_id);
+
+		$dataAkteUnaccepted = $this->getDataOrTerminateWithError($result);
+		$resultMd = $this->_getMissingDocuments($studiengang_kz, $prestudent_id);
+
+		$data = $this->_mergeDocuments($dataAkteUnaccepted, $resultMd);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getDocumentsAccepted($prestudent_id, $studiengang_kz)
+	{
+		if(!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!is_numeric($prestudent_id))
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+		$resultPreDoc = $this->_getPrestudentDokumente($prestudent_id);
+
+		$arrayAccepted = [];
+		$person_id = $this->_getPersonId($prestudent_id);
+
+		$docNames = array_map(function ($item) {
+			return $item->dokument_kurzbz;
+		}, $resultPreDoc);
+
+		foreach($docNames as $doc)
+		{
+			$result = $this->AkteModel->getAktenFAS($person_id, $doc, $studiengang_kz, $prestudent_id, true);
+
+			if (isError($result))
+			{
+				return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+			}
+			if (hasData($result))
+			{
+				$data = getData($result);
+				foreach ($data as $value)
+				{
+					array_push($arrayAccepted, $value);
+				}
+			}
+		}
+
+		//Mapping with document_kurzbz
+		$preDocMap = [];
+		foreach ($resultPreDoc as $pre) {
+			$preDocMap[$pre->dokument_kurzbz] = $pre;
+		}
+
+		$mergedArray = [];
+		foreach ($arrayAccepted as $doc) {
+			$merged = clone $doc;
+
+			if (isset($preDocMap[$doc->dokument_kurzbz])) {
+				$merged->docdatum = $preDocMap[$doc->dokument_kurzbz]->docdatum;
+				$merged->insertvonma = $preDocMap[$doc->dokument_kurzbz]->insertvonma;
+				$merged->bezeichnung = $preDocMap[$doc->dokument_kurzbz]->bezeichnung;
+			} else {
+				$merged->akzeptiertdatum = null;
+				$merged->akzeptiertvon = null;
+			}
+
+			$mergedArray[] = $merged;
+		}
+
+		$this->terminateWithSuccess($mergedArray);
+	}
+
+	public function deleteZuordnung($prestudent_id, $dokument_kurzbz)
+	{
+		if(!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!is_numeric($prestudent_id))
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if(!$dokument_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Dokument_kurzbz']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->DokumentprestudentModel->delete(
+			[
+				'prestudent_id' => $prestudent_id,
+				'dokument_kurzbz' => $dokument_kurzbz
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadAkte($akte_id)
+	{
+		if (!$akte_id)
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Akte ID']), self::ERROR_TYPE_GENERAL);
+
+		$this->AkteModel->addSelect('public.tbl_akte.*');
+		$this->AkteModel->addSelect("CONCAT(public.tbl_person.vorname, ' ' , public.tbl_person.nachname) AS namePerson");
+		$this->AkteModel->addJoin('public.tbl_person', 'person_id');
+		$result = $this->AkteModel->loadWhere(
+			[
+				'akte_id' => $akte_id,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$data = current($data);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateAkte()
+	{
+		$this->form_validation->set_rules('akte_id', 'Akte ID', 'required', [
+			'required' => $this->p->t('dokumente', 'err_updateNotAllowed')
+		]);
+
+		$this->form_validation->set_rules('dokument_kurzbz', 'Dokumenttyp', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Dokumenttyp'])
+		]);
+
+		$this->form_validation->set_rules('nachreichung_am', 'Nachreichung am', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Nachreichung am'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$uid = getAuthUID();
+
+		$result = $this->AkteModel->update(
+			[
+				'akte_id' => $this->input->post('akte_id'),
+			],
+			[
+				'dokument_kurzbz' => $this->input->post('dokument_kurzbz'),
+				'anmerkung_intern' => $this->input->post('anmerkung_intern'),
+				'titel_intern' => $this->input->post('titel_intern'),
+				'nachgereicht_am' => $this->input->post('nachgereicht_am'),
+				'updateamum' => date('c'),
+				'updatevon' => $uid,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function createZuordnung($prestudent_id, $dokument_kurzbz)
+	{
+		if (!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+
+		if(!$dokument_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Dokument_kurzbz']), self::ERROR_TYPE_GENERAL);
+
+		$uid = getAuthUid();
+
+		//check if more than 1 dokumentkurzbz
+		//if()
+
+		$result = $this->DokumentprestudentModel->insert(
+			[
+				'prestudent_id' => $prestudent_id,
+				'dokument_kurzbz' => $dokument_kurzbz,
+				'mitarbeiter_uid' => $uid,
+				'datum' => date('c'),
+				'insertamum' => date('c'),
+				'insertvon' =>  $uid,
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteAkte($akte_id)
+	{
+		if (!$akte_id)
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Akte ID']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->AkteModel->load($akte_id);
+		$dataAkte = $this->getDataOrTerminateWithError($result);
+
+		$logdata_akte = var_export($dataAkte, true);
+
+		$dms_id = current($dataAkte)->dms_id;
+		$nachgereicht = current($dataAkte)->nachgereicht;
+		$inhalt = current($dataAkte)->inhalt;
+		$inhaltVorhanden = $inhalt != '';
+		$uid = getAuthUid();
+
+		$this->db->trans_start();
+
+		if($dms_id)
+		{
+			$this->load->model('content/Dms_model', 'DmsModel');
+			$result = $this->DmsModel->load($dms_id);
+			$data = $this->getDataOrTerminateWithError($result);
+
+			$logdata_dms = (array)$data;
+			$logdata_dms = "Logdata: " . var_export($logdata_dms, true);
+
+			//delete from dmsLib
+			$this->load->library('DmsLib');
+			$person_id = current($dataAkte)->person_id;
+			$result = $this->dmslib->delete($person_id, $dms_id);
+			$this->getDataOrTerminateWithError($result);
+
+			//LOGGING Dms ID
+			$this->load->model('system/Log_model', 'LogModel');
+			$result = $this->LogModel->insert([
+				'executetime' => date('c'),
+				'mitarbeiter_uid' => $uid,
+				'beschreibung' => "Löschen der DMS_ID ". $dms_id,
+				'sql' => $logdata_dms
+			]);
+			$this->getDataOrTerminateWithError($result);
+
+			//delete akte
+			$result = $this->AkteModel->delete(
+				[
+					'akte_id' => $akte_id
+				]
+			);
+			$data = $this->getDataOrTerminateWithError($result);
+
+			//Logging Deletion Akte
+			$result = $this->LogModel->insert([
+				'executetime' => date('c'),
+				'mitarbeiter_uid' => $uid,
+				'beschreibung' => "Löschen der Akte ". $akte_id,
+				'sql' => "DELETE FROM public.tbl_akte WHERE akte_id=" .$akte_id. " LogData: ". $logdata_akte
+			]);
+			$this->getDataOrTerminateWithError($result);
+			$this->db->trans_complete();
+			$this->terminateWithSuccess($data);
+		}
+		elseif (!!$dms_id || ($nachgereicht && !$inhaltVorhanden))
+		{
+			$result = $this->AkteModel->delete(
+				[
+					'akte_id' => $akte_id
+				]
+			);
+			$data = $this->getDataOrTerminateWithError($result);
+
+			$result = $this->LogModel->insert([
+				'executetime' => date('c'),
+				'mitarbeiter_uid' => $uid,
+				'beschreibung' => "Löschen der Akte ". $akte_id,
+				'sql' => "DELETE FROM public.tbl_akte WHERE akte_id=" .$akte_id. " LogData: ". $logdata_akte
+			]);
+			$this->getDataOrTerminateWithError($result);
+
+			$this->db->trans_complete();
+			$this->terminateWithSuccess($data);
+		}
+		else
+			$this->terminateWithError($this->p->t('dokumente', 'err_deleteDokHere'), self::ERROR_TYPE_GENERAL);
+	}
+
+	public function uploadDokument()
+	{
+		$this->load->library('DmsLib');
+		$prestudent_id = $this->input->post('prestudent_id');
+		$anmerkung_intern = $this->input->post('anmerkung_intern');
+		$titel_intern = $this->input->post('titel_intern');
+		$dokument_kurzbz = $this->input->post('dokument_kurzbz');
+
+		$this->form_validation->set_rules('prestudent_id', 'Prestudent_id', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Prestudent ID'])
+		]);
+
+		$this->form_validation->set_rules('dokument_kurzbz', 'Dokumenttyp', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Dokumenttyp'])
+		]);
+
+		//validation if attachment was added
+		$this->form_validation->set_rules('anhang', 'Attachment', 'callback_file_check');
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->db->trans_start();
+		$uid = getAuthUID();
+
+		$dms = array(
+			'kategorie_kurzbz'  => 'Akte',
+			'version'           => 0,
+			'name'              => $_FILES['anhang']['name'],
+			'mimetype'          => $_FILES['anhang']['type'],
+			'insertamum'        => date('c'),
+			'insertvon'         => $uid
+		);
+
+		$result = $this->dmslib->upload($dms, 'anhang', array("jpg", "png", "pdf"));
+
+		if (isError($result))
+		{
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$dms_id = $result->retval['dms_id'];
+
+		$person_id = $this->_getPersonId($prestudent_id);
+
+		$result = $this->DokumentModel->load($dokument_kurzbz);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$bezeichnung = current($data)->bezeichnung;
+
+		//save entry in akte
+		if($dms_id)
+		{
+			$result = $this->AkteModel->insert([
+				'person_id' => $person_id,
+				'dms_id' => $dms_id,
+				'dokument_kurzbz' => $dokument_kurzbz,
+				'mimetype' => $_FILES['anhang']['type'],
+				'insertamum' => date('c'),
+				'erstelltam' => date('c'),
+				'insertvon' => $uid,
+				'anmerkung_intern' => $anmerkung_intern,
+				'titel_intern' => $titel_intern,
+				'bezeichnung' => $bezeichnung,
+				'titel' => $_FILES['anhang']['name']
+			]);
+
+			$data = $this->getDataOrTerminateWithError($result);
+			$this->db->trans_complete();
+			$this->terminateWithSuccess($data);
+		}
+		$this->db->trans_complete();
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getDoktypen()
+	{
+		$this->DokumentModel->addSelect('dokument_kurzbz');
+		$this->DokumentModel->addSelect('bezeichnung');
+		$this->DokumentModel->addOrder('dokument_kurzbz', 'ASC');
+		$result = $this->DokumentModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function download()
+	{
+		//TODO(Manu) check filetype, Decoding
+		$akte_id = $this->input->get('akte_id');
+
+		if(!$akte_id)
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id' => 'Akte ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!is_numeric($akte_id))
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value' => 'Akte ID']), self::ERROR_TYPE_GENERAL);
+
+
+		$result = $this->AkteModel->load($akte_id);
+		if (!hasData($result)) $this->terminateWithError('Akte not found');
+		$data = getData($result)[0];
+
+		$mimetype = $data->mimetype;
+		$filecontentbase64 = $data->inhalt;
+		$filename = $data->titel;
+
+		if(intval($data->dms_id) > 0)
+		{
+			$dmsdokres = $this->dmslib->read($data->dms_id);
+			if (!hasData($dmsdokres)) $this->terminateWithError('DMS File not found');
+			$dmsdok = getData($dmsdokres)[0];
+
+			$mimetype = $dmsdok->mimetype;
+			$filecontentbase64 = $dmsdok->file_content;
+			$filename = $dmsdok->name;
+		}
+
+		$filecontent = '';
+
+		if (!empty($filecontentbase64)) {
+			$filecontent = base64_decode($filecontentbase64, true);
+
+			if ($filecontent === false) {
+				$this->terminateWithError('Base64-Dekodierung failed.');
+			}
+		}
+
+		$this->terminateWithFileOutput($mimetype, $filecontent, $filename);
+	}
+
+	private function _getMissingDocuments($studiengang_kz, $prestudent_id)
+	{
+		$result = $this->DokumentModel->getMissingDocuments($studiengang_kz, $prestudent_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		return $data;
+	}
+
+	private function _getUnacceptedDocuments($prestudent_id)
+	{
+		$person_id = $this->_getPersonId($prestudent_id);
+		$result = $this->DokumentModel->getUnacceptedDocuments($prestudent_id, $person_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		return $data;
+	}
+
+	/**
+	 * helper function for merging objects
+	 * sorts object after merging according to dokument_kurzbz
+	 * @param $original object of documents of akte
+	 * @param object $toMerge documents to merge (of dokumentprestudent, dokumentstudiengang)
+	 * @return Array mergedObject
+	 */
+	private function _mergeDocuments($original, $toMerge)
+	{
+		$existingKurzbez = [];
+		foreach ($original as $doc) {
+			$existingKurzbez[$doc->dokument_kurzbz] = true;
+		}
+
+		foreach ($toMerge as $doc) {
+			if (!isset($existingKurzbez[$doc->dokument_kurzbz])) {
+				$original[] = $doc;
+				$existingKurzbez[$doc->dokument_kurzbz] = true;
+			}
+			else
+			{
+				foreach($original as $docOriginal)
+				{
+					if ($docOriginal->dokument_kurzbz == $doc->dokument_kurzbz)
+					{
+						$docOriginal->pflicht = $doc->pflicht;
+						$docOriginal->onlinebewerbung = $doc->onlinebewerbung;
+					}
+				}
+			}
+		}
+
+		usort($original, function ($a, $b) {
+			return strcmp($a->dokument_kurzbz, $b->dokument_kurzbz);
+		});
+
+		return $original;
+	}
+
+	private function _getDocumentsOfAkte($person_id)
+	{
+		$result = $this->AkteModel->getAktenFAS($person_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		return $data;
+	}
+
+	private function _getPrestudentDokumente($prestudent_id)
+	{
+		$result = $this->DokumentprestudentModel->getPrestudentDokumente($prestudent_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		return $data;
+	}
+
+	private function _getPersonId($prestudent_id)
+	{
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+		$result = $this->PrestudentModel->loadWhere(
+			['prestudent_id' => $prestudent_id]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$person = current($data);
+
+		return $person->person_id;
+	}
+
+	public function file_check($str)
+	{
+		if (isset($_FILES['anhang']) && $_FILES['anhang']['size'] > 0)
+		{
+			$allowed_mime_types = ['image/jpeg', 'image/png', 'application/pdf'];
+			$mime = mime_content_type($_FILES['anhang']['tmp_name']);
+
+			if (in_array($mime, $allowed_mime_types))
+			{
+				return true;
+			} else
+			{
+				$this->form_validation->set_message('file_check', $this->p->t('dokumente', 'error_fileType'));
+				return false;
+			}
+		}
+		else
+		{
+			$this->form_validation->set_message('file_check', $this->p->t('dokumente', 'error_fileMissing'));
+			return false;
+		}
+	}
+
+	public function getDocumentDropDown($prestudent_id, $studiensemester_kurzbz, $studiengang_kz)
+	{
+		$this->load->helper('hlp_common');
+		//permission to create also odt, and doc outputs of certain documents(menu abschlusspruefung)
+		$hasPermissionOutputformat = $this->permissionlib->isBerechtigt('system/change_outputformat', 's');
+
+		if (!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Prestudent_id']), self::ERROR_TYPE_GENERAL);
+		if (!$studiensemester_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+
+		$uid = $this->_loadUIDFromPrestudent($prestudent_id);
+		$semArray = $this->_getEntriesStudiensemester();
+		$stgTyp = $this->_getStudiengangstyp($studiengang_kz);
+
+		$documents = [
+			buildDropdownEntryPrintArray("accountinfo", "Accountinfoblatt", "xml=accountinfoblatt.xml.php&xsl=AccountInfo&output=pdf", $uid, 10, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag", "Ausbildungsvertrag", "xml=ausbildungsvertrag.xml.php&xsl=Ausbildungsver&output=pdf&prestudent_id=$prestudent_id", null,20, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag_en", "Ausbildungsvertrag Zweisprachig", "xml=ausbildungsvertrag.xml.php&xsl=AusbVerEng&output=pdf&prestudent_id=$prestudent_id", null,21, null),
+
+			buildDropdownEntryPrintArray("bescheid", "Bescheid (nur Voransicht)", "xml=abschlusspruefung.rdf.php&xsl_stg_kz=$studiengang_kz&xsl=Bescheid&output=pdf", $uid, 25, null),
+			buildDropdownEntryPrintArray("diplomasupp", "Diploma Supplement (nur Voransicht)", "xml=diplomasupplement.xml.php&xsl_stg_kz=$studiengang_kz&xsl=DiplSupplement&output=pdf", $uid, 26, null),
+
+			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uid, 50, null),
+			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uid, 51, null),
+			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$uid", $uid,200, "zutrittskarte.php"),
+			buildDropdownEntryPrintArray("studienblatt", "Studienblatt", "xml=studienblatt.xml.php&xsl=Studienblatt&output=pdf&ss=$studiensemester_kurzbz", $uid, 60, null),
+			buildDropdownEntryPrintArray("studienblatt_eng", "Studienblatt Englisch", "xml=studienblatt.xml.php&xsl=StudienblattEng&output=pdf&ss=$studiensemester_kurzbz", $uid, 61, null),
+
+			$this->buildStudienerfolgSubmenu("de", $uid, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("en", $uid, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("de", $uid, $semArray, $studiensemester_kurzbz, true),
+			$this->buildStudienerfolgSubmenu("en", $uid, $semArray, $studiensemester_kurzbz, true),
+
+			[
+				"id" => "submenu_studstatus",
+				"type" => "submenu",
+				"name" => "Verwaltung des StudierendenStatus",
+				"order" => 110,
+				"data" => [
+					buildDropdownEntryPrintArray("Abmeldung", "Abmeldung", "xml=AntragAbmeldung.xml.php&xsl=AntragAbmeldung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Abmeldung durch Stgl", "AntragAbmeldungStgl", "xml=AntragAbmeldungStgl.xml.php&xsl=AntragAbmeldungStgl&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Unterbrechung", "Unterbrechung", "xml=AntragUnterbrechung.xml.php&xsl=AntragUnterbrechung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Wiederholung", "Abmeldung durch Ablauf der Wiederholungsfrist", "xml=AntragWiederholung.xml.php&xsl=AntragWiederholung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+				]
+			],
+
+			//Bakkzeugnis bzw. Diplomzeugnis is just shown in tab final_exam
+			buildDropdownEntryPrintArray("zeugnis", "Zeugnis", "xml=zeugnis.rdf.php&xsl=Zeugnis&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uid, 121, null),
+			buildDropdownEntryPrintArray("zeugnis_en", "Zeugnis Englisch", "xml=zeugnis.rdf.php&xsl=ZeugnisEng&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uid, 122, null),
+
+
+		];
+
+		Events::trigger('DocumentGenerationDropDown',
+			// passing $menu per reference
+			function & () use (&$documents) {
+				return $documents;
+			},
+			$prestudent_id,
+			$studiensemester_kurzbz,
+			$studiengang_kz
+		);
+
+		$extraEntries = $this->loadDropDownEntriesBakkOrDipl($stgTyp, $uid);
+
+		$documents = array_merge($documents, $extraEntries);
+
+		usort($documents, function ($a, $b) {
+			$orderA = isset($a['order']) ? (int)$a['order'] : PHP_INT_MAX;
+			$orderB = isset($b['order']) ? (int)$b['order'] : PHP_INT_MAX;
+			return $orderA <=> $orderB;
+		});
+
+		$this->terminateWithSuccess($documents);
+		//return $documents || null;
+	}
+
+	public function getDocumentDropDownMulti($studiensemester_kurzbz,$studiengang_kz)
+	{
+		//permission to create also odt, and doc outputs of certain documents (menu abschlusspruefung)
+		$hasPermissionOutputformat = $this->permissionlib->isBerechtigt('system/change_outputformat', 's');
+
+		$studentUids = $this->input->get('studentUids');
+		$prestudentIds = [];
+
+		if (is_array($studentUids) && !empty($studentUids)) {
+			foreach ($studentUids as $uid) {
+				$prestudent_id = $this-> _loadPrestudentFromUid($uid);
+				$prestudentIds[] = $prestudent_id;
+			}
+		}
+		else
+		{
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Array StudentUIDs']), self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!$studiensemester_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+
+		$uidString = implode(";", $studentUids);
+		$prestudentIdsString = implode(";", $prestudentIds);
+
+		$semArray = $this->_getEntriesStudiensemester();
+		$stgTyp = $this->_getStudiengangstyp($studiengang_kz);
+
+		$documents = [
+			buildDropdownEntryPrintArray("accountinfo", "Accountinfoblatt", "xml=accountinfoblatt.xml.php&xsl=AccountInfo&output=pdf", $uidString, 10, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag", "Ausbildungsvertrag", "xml=ausbildungsvertrag.xml.php&xsl=Ausbildungsver&output=pdf", $uidString, 20, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag_en", "Ausbildungsvertrag Englisch", "xml=ausbildungsvertrag.xml.php&xsl=AusbVerEng&output=pdf", $uidString, 21, null),
+			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uidString, 50, null),
+			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uidString, 51, null),
+			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$uidString", $uidString,200, "zutrittskarte.php"),
+			buildDropdownEntryPrintArray("studienblatt", "Studienblatt", "xml=studienblatt.xml.php&xsl=Studienblatt&output=pdf&ss=$studiensemester_kurzbz", $uidString, 60, null),
+			buildDropdownEntryPrintArray("studienblatt_eng", "Studienblatt Englisch", "xml=studienblatt.xml.php&xsl=StudienblattEng&output=pdf&ss=$studiensemester_kurzbz", $uidString, 61, null),
+
+			// Studienerfolg Menüs automatisch
+			$this->buildStudienerfolgSubmenu("de", $uidString, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("en", $uidString, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("de", $uidString, $semArray, $studiensemester_kurzbz, true),
+			$this->buildStudienerfolgSubmenu("en", $uidString, $semArray, $studiensemester_kurzbz, true),
+
+			[
+				"id" => "submenu_studstatus",
+				"type" => "submenu",
+				"name" => "Verwaltung des StudierendenStatus",
+				"order" => 110,
+				"data" => [
+					buildDropdownEntryPrintArray("Abmeldung", "Abmeldung", "xml=AntragAbmeldung.xml.php&xsl=AntragAbmeldung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Abmeldung durch Stgl", "AntragAbmeldungStgl", "xml=AntragAbmeldungStgl.xml.php&xsl=AntragAbmeldungStgl&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Unterbrechung", "Unterbrechung", "xml=AntragUnterbrechung.xml.php&xsl=AntragUnterbrechung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Wiederholung", "Abmeldung durch Ablauf der Wiederholungsfrist", "xml=AntragWiederholung.xml.php&xsl=AntragWiederholung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+				]
+			],
+
+			buildDropdownEntryPrintArray("diplomasupp", "Diploma Supplement (nur Voransicht)", "xml=diplomasupplement.xml.php&xsl_stg_kz=$studiengang_kz&xsl=DiplSupplement&output=pdf", $uidString, 35, null),
+			buildDropdownEntryPrintArray("zeugnis", "Zeugnis", "xml=zeugnis.rdf.php&xsl=Zeugnis&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uidString, 121, null),
+			buildDropdownEntryPrintArray("zeugnis_en", "Zeugnis Englisch", "xml=zeugnis.rdf.php&xsl=ZeugnisEng&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uidString, 122, null),
+		];
+
+		Events::trigger('DocumentGenerationDropDownMulti',
+			// passing $menu per reference
+			function & () use (&$documents) {
+				return $documents;
+			},
+			$studentUids,
+			$studiensemester_kurzbz,
+			$studiengang_kz
+		);
+
+		$extraEntries = $this->loadDropDownEntriesBakkOrDipl($stgTyp, $uidString);
+
+		$documents = array_merge($documents, $extraEntries);
+
+		usort($documents, function ($a, $b) {
+			$orderA = isset($a['order']) ? (int)$a['order'] : PHP_INT_MAX;
+			$orderB = isset($b['order']) ? (int)$b['order'] : PHP_INT_MAX;
+			return $orderA <=> $orderB;
+		});
+
+
+		$this->terminateWithSuccess($documents);
+
+		return $documents || null;
+	}
+
+	private function _loadUIDFromPrestudent($prestudent_id)
+	{
+		if(!$prestudent_id){
+			return $this->terminateWithError("no prestudent ID received.");
+		}
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['prestudent_id' => $prestudent_id]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$student = current($data);
+
+		return $student->student_uid;
+	}
+
+	private function _loadPrestudentFromUid($studentUid)
+	{
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['student_uid' => $studentUid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$student = current($data);
+
+
+		return $student->prestudent_id;
+	}
+
+	/**
+	 * is building an array with studiensemesterkurzb
+	 * actual studiensemester plus the 5 studiensemester in the past
+
+	 * @return Array Studiensemester_kurzbz
+	 */
+	private function _getEntriesStudiensemester(){
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->StudiensemesterModel->addPlusMinus(1, 5);
+		$this->StudiensemesterModel->addOrder('ende', 'DESC');
+		$result = $this->StudiensemesterModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		foreach($data as $sem)
+		{
+			$semArray[] = $sem->studiensemester_kurzbz;
+		}
+
+		array_shift($semArray);
+
+		return $semArray;
+	}
+	/**
+	 * is returning the typ of Studiengang (Bakk oder Master)
+
+	 * @return character  eg. 'b' or 'm'
+	 */
+	private function _getStudiengangstyp($studiengang_kz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$result = $this->StudiengangModel->loadWhere(
+			array('studiengang_kz' => $studiengang_kz)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$typStudiengang = current($data)->typ;
+
+		return $typStudiengang;
+	}
+
+	/**
+	 * helper function to create ArrayStructure
+	 * actual studiensemester plus the 5 studiensemester in the past
+
+	 * @return Array Studiensemester_kurzbz
+	 */
+	private function buildStudienerfolgSubmenu($lang, $uid, $semArray, $studiensemester_kurzbz, $fa = false)
+	{
+		$entries = [];
+
+		$xsl = $lang === "de" ? "Studienerfolg" : "StudienerfolgEng";
+		$idPrefix = "submenu_studienerfolg_" . $lang . ($fa ? "_fa" : "");
+
+		$entries[] = buildDropdownEntryPrintArray(
+			$idPrefix . "_aktuell",
+			"ausgewähltes Semester",
+			"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$studiensemester_kurzbz" . ($fa ? "&typ=finanzamt" : ""),
+			$uid
+		);
+
+		//all semester
+		$entries[] = buildDropdownEntryPrintArray(
+			$idPrefix . "_all",
+			"alle Semester",
+			"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$studiensemester_kurzbz&all=true" . ($fa ? "&typ=finanzamt" : ""),
+			$uid
+		);
+
+		//sem from array
+		foreach ($semArray as $i => $sem) {
+			$entries[] = buildDropdownEntryPrintArray(
+				$idPrefix . ($i === 0 ? "_akt" : "_minus" . $i),
+				$sem,
+				"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$sem" . ($fa ? "&typ=finanzamt" : ""),
+				$uid
+			);
+
+		}
+		$order = 0;
+		if ($lang === "de" && !$fa) $order = 75; // Studienerfolg
+		if ($lang === "en" && !$fa) $order = 76; // Studienerfolg Englisch
+		if ($lang === "de" &&  $fa) $order = 77; // Studienerfolg Finanzamt
+		if ($lang === "en" &&  $fa) $order = 78; // Studienerfolg Finanzamt Englisch
+
+		return [
+			"id"   => $idPrefix,
+			"type" => "submenu",
+			"name" => "Studienerfolg " . ($fa ? " Finanzamt" : "") . ($lang === "de" ? "" : "Englisch") ,
+			"order" => $order,
+			"data" => $entries,
+		];
+	}
+
+	private function loadDropDownEntriesFinalExam($hasPermissionOutputformat, $stgTyp, $uid)
+	{
+		if ($stgTyp == 'b')
+			$postfix = 'Bakk';
+		else if ($stgTyp == 'm' || $stgTyp == 'd')
+			$postfix = 'Master';
+		else
+			return [];
+
+		$arrayFinalExam = [
+			'pruefungsprotokoll' => [
+				'de' => [
+					'Bakk' => 'PrProtBA',
+					'Master' => 'PrProtMA',
+				],
+				'en' => [
+					'Bakk' => 'PrProtBAEng',
+					'Master' => 'PrProtMAEng',
+				],
+			],
+			'pruefungszeugnis' => [
+				'de' => [
+					'Bakk' => 'Bakkzeugnis',
+					'Master' => 'Diplomzeugnis',
+				],
+				'en' => [
+					'Bakk' => 'BakkzeugnisEng',
+					'Master' => 'DiplomzeugnisEng',
+				],
+			],
+			'urkunde' => [
+				'de' => [
+					'Bakk' => 'Bakkurkunde',
+					'Master' => 'Diplomurkunde',
+				],
+				'en' => [
+					'Bakk' => 'BakkurkundeEng',
+					'Master' => 'DiplomurkundeEng',
+				],
+			],
+		];
+
+		$langLabels = [
+			"de" => "Deutsch",
+			"en" => "Englisch"
+		];
+
+		$docLabels = [
+			"pruefungsprotokoll" => "Prüfungsprotokoll",
+			"pruefungszeugnis" => "Zeugnis",
+			"urkunde" => "Urkunde"
+		];
+
+		$submenuData = [];
+		if ($hasPermissionOutputformat) {
+			foreach ($arrayFinalExam as $docType => $langs) {
+				foreach ($langs as $lang => $types) {
+					$xsl = $types[$postfix];
+					$idPrefix = $docType . "_" . $lang;
+
+					$baseName = $docLabels[$docType] . " " . $langLabels[$lang];
+					$baseUrl = "xml=abschlusspruefung.rdf.php&xsl={$xsl}";
+
+					//3 outputformates
+					foreach (["pdf", "odt", "docx"] as $format) {
+						$submenuData[] = buildDropdownEntryPrintArray(
+							$idPrefix . "_" . $format,
+							$baseName . " (" . strtoupper($format) . ")",
+							$baseUrl . "&output=" . $format,
+							$uid
+						);
+					}
+				}
+			}
+		}
+		else
+		{
+			foreach ($arrayFinalExam as $docType => $langs) {
+				foreach ($langs as $lang => $types) {
+					$xsl = $types[$postfix]; // Auswahl Bakk/Master für jeweilige Sprache
+					$id = $docType . "_" . $lang;
+
+					$name = $docLabels[$docType] . " " . $langLabels[$lang];
+
+					$url = "xml=abschlusspruefung.rdf.php&xsl=" . $xsl . "&output=pdf";
+
+					$submenuData[] = buildDropdownEntryPrintArray($id, $name, $url, $uid);
+				}
+			}
+		}
+		return [
+			"id" => "submenu_finalexam",
+			"type" => "submenu",
+			"name" => "Abschlussprüfung",
+			"data" => $submenuData,
+			"order" => null,
+			"order" => 80,
+		];
+	}
+
+	private function loadDropDownEntriesBakkOrDipl($stgTyp, $uid)
+	{
+		$entries = [];
+
+		if ($stgTyp == 'b')
+		{
+			$entries[] = buildDropdownEntryPrintArray("bakkurkunde", "Bakkurkunde", "xml=abschlusspruefung.rdf.php&xsl=Bakkurkunde&output=pdf", $uid, 22, null);
+			$entries[] = buildDropdownEntryPrintArray("bakkurkundeEng", "Bakkurkunde Englisch", "xml=abschlusspruefung.rdf.php&xsl=BakkurkundeEng&output=pdf", $uid, 23, null);
+		}
+
+		if ($stgTyp == 'm' || $stgTyp == 'd')
+		{
+			$entries[] = buildDropdownEntryPrintArray("diplomurkunde", "Diplomurkunde", "xml=abschlusspruefung.rdf.php&xsl=Diplomurkunde&output=pdf", $uid, 27, null);
+			$entries[] = buildDropdownEntryPrintArray("diplomurkundeEng", "Diplomurkunde Englisch", "xml=abschlusspruefung.rdf.php&xsl=DiplomurkundeEng&output=pdf", $uid, 28, null);
+		}
+
+		return $entries;
+	}
+
+}

application/controllers/api/frontend/v1/stv/Favorites.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about favorite verbände
+ * Listens to ajax post calls to change the favorite verbände data
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Favorites extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'index' => self::PERM_LOGGED,
+			'set' => self::PERM_LOGGED
+		]);
+
+		// Load models
+		$this->load->model('system/Variable_model', 'VariableModel');
+	}
+
+	public function index()
+	{
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['stv_favorites']);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			$this->terminateWithSuccess(null);
+		else
+			$this->terminateWithSuccess($data['stv_favorites'] ?? null);
+	}
+
+	public function set()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('favorites', 'Favorites', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$favorites = $this->input->post('favorites');
+
+		$result = $this->VariableModel->setVariable(getAuthUID(), 'stv_favorites', $favorites);
+
+		$this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess(true);
+	}
+}

application/controllers/api/frontend/v1/stv/Filter.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about the Studiengang filter
+ * Listens to ajax post calls to change the Studiengang filter data
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Filter extends FHCAPI_Controller
+{
+	/**
+	 * Calls the parent's constructor and prepares libraries and phrases
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getStg' => self::PERM_LOGGED,
+			'setStg' => self::PERM_LOGGED
+		]);
+
+		// Load models
+		$this->load->model('system/Variable_model', 'VariableModel');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Get current setting
+	 *
+	 * @return void
+	 */
+	public function getStg()
+	{
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['kontofilterstg']);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data['kontofilterstg'] == 'true');
+	}
+
+	/**
+	 * Set current setting
+	 *
+	 * @return void
+	 */
+	public function setStg()
+	{
+		$this->load->library('form_validation');
+
+		$studiengang_kz = $this->input->post('studiengang_kz');
+
+		if ($studiengang_kz === null) {
+			$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'required');
+
+			if (!$this->form_validation->run())
+				$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$result = $this->VariableModel->setVariable(getAuthUID(), 'kontofilterstg', $studiengang_kz ? 'true' : 'false');
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(true);
+	}
+}

application/controllers/api/frontend/v1/stv/GemeinsameStudien.php

@@ -0,0 +1,287 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class GemeinsameStudien extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getStudien' => ['admin:r', 'assistenz:r'],
+			'loadStudie' => ['admin:r', 'assistenz:r'],
+			'insertStudie' => ['admin:rw', 'assistenz:rw'],
+			'updateStudie' => ['admin:rw', 'assistenz:rw'],
+			'deleteStudie' => ['admin:rw', 'assistenz:rw'],
+			'getProgramsStudien' => ['admin:r', 'assistenz:r'],
+			'getTypenMobility' => ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+			'getStudienprogramme' => ['admin:r', 'assistenz:r'],
+			'getPartnerfirmen' => ['admin:r', 'assistenz:r'],
+			'getStatiPrestudent' => ['admin:r', 'assistenz:r'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'jointstudies'
+		]);
+
+		// Load models
+		$this->load->model('codex/Mobilitaet_model', 'MobilitaetModel');
+
+		//TODO(check if additional Permissions necessary): 'student/stammdaten'
+	}
+
+	public function getStudien($prestudent_id)
+	{
+		$this->MobilitaetModel->addSelect('mobilitaet_id');
+		$this->MobilitaetModel->addSelect('mobilitaetstyp_kurzbz');
+		$this->MobilitaetModel->addSelect('prestudent_id');
+		$this->MobilitaetModel->addSelect('studiensemester_kurzbz');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.mobilitaetsprogramm_code');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.gsprogramm_id');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.firma_id');
+		$this->MobilitaetModel->addSelect('status_kurzbz');
+		$this->MobilitaetModel->addSelect('ausbildungssemester');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.insertvon');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.insertamum');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.updatevon');
+		$this->MobilitaetModel->addSelect('bis.tbl_mobilitaet.updateamum');
+		$this->MobilitaetModel->addSelect('mp.kurzbz');
+		$this->MobilitaetModel->addSelect('gp.gsprogrammtyp_kurzbz');
+		$this->MobilitaetModel->addSelect('gp.bezeichnung as studienprogramm');
+		$this->MobilitaetModel->addSelect('f.name as partner');
+
+		$this->MobilitaetModel->addJoin('bis.tbl_mobilitaetsprogramm mp', 'ON (mp.mobilitaetsprogramm_code = bis.tbl_mobilitaet.mobilitaetsprogramm_code)', 'LEFT');
+		$this->MobilitaetModel->addJoin('bis.tbl_gsprogramm gp', 'ON (gp.gsprogramm_id = bis.tbl_mobilitaet.gsprogramm_id)', 'LEFT');
+		$this->MobilitaetModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = bis.tbl_mobilitaet.firma_id)', 'LEFT');
+
+		$result = $this->MobilitaetModel->loadWhere([
+			'prestudent_id' => $prestudent_id,
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getTypenMobility()
+	{
+		$this->load->model('codex/Mobilitaetstyp_model', 'MobilitaetstypModel');
+
+		$result = $this->MobilitaetstypModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStudiensemester()
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->StudiensemesterModel->addOrder('start', 'DESC');
+		$result = $this->StudiensemesterModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStudienprogramme()
+	{
+		$this->load->model('codex/Gsprogramm_model', 'GsprogrammModel');
+
+		$result = $this->GsprogrammModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getPartnerfirmen()
+	{
+		$this->load->model('ressource/Firma_model', 'FirmaModel');
+
+		$result = $this->FirmaModel->loadWhere(
+			['partner_code !=' => null]
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStatiPrestudent()
+	{
+		$this->load->model('crm/Status_model', 'StatusModel');
+
+		$result = $this->StatusModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadStudie($mobilitaet_id)
+	{
+		$result = $this->MobilitaetModel->load($mobilitaet_id);
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function insertStudie()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$prestudent_id = $this->input->post('prestudent_id');
+		if(!$prestudent_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+		$ausbildungssemester = (isset($formData['ausbildungssemester']) && !empty($formData['ausbildungssemester']))
+			? $formData['ausbildungssemester']
+			: null;
+		$mobilitaetstyp_kurzbz = (isset($formData['mobilitaetstyp_kurzbz']) && !empty($formData['mobilitaetstyp_kurzbz']))
+			? $formData['mobilitaetstyp_kurzbz']
+			: null;
+		$studiensemester_kurzbz = (isset($formData['studiensemester_kurzbz']) && !empty($formData['studiensemester_kurzbz']))
+			? $formData['studiensemester_kurzbz'] : null;
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('mobilitaetstyp_kurzbz', 'Typ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Typ'])
+		]);
+
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Studiensemester'])
+		]);
+
+		$this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'required|numeric', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Ausbildungssemester']),
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Ausbildungssemester']),
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$status_kurzbz = (isset($formData['status_kurzbz']) && !empty($formData['status_kurzbz']))
+			? $formData['status_kurzbz']
+			: null;
+		$mobilitaetsprogramm_code = (isset($formData['mobilitaetsprogramm_code']) && !empty($formData['mobilitaetsprogramm_code']))
+			? $formData['mobilitaetsprogramm_code']
+			: null;
+		$gsprogramm_id = (isset($formData['gsprogramm_id']) && !empty($formData['gsprogramm_id']))
+			? $formData['gsprogramm_id']
+			: null;
+		$firma_id= (isset($formData['firma_id']) && !empty($formData['firma_id'])) ? $formData['firma_id'] : null;
+
+		$result = $this->MobilitaetModel->insert([
+			'prestudent_id' => $prestudent_id,
+			'mobilitaetstyp_kurzbz' =>$mobilitaetstyp_kurzbz,
+			'status_kurzbz' => $status_kurzbz,
+			'studiensemester_kurzbz' =>$studiensemester_kurzbz,
+			'mobilitaetsprogramm_code' => $mobilitaetsprogramm_code,
+			'gsprogramm_id' => $gsprogramm_id,
+			'firma_id' => $firma_id,
+			'ausbildungssemester' =>$ausbildungssemester,
+			'insertvon' => $authUID,
+			'insertamum' => date('c'),
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateStudie()
+	{
+		$this->load->library('form_validation');
+		$authUID = getAuthUID();
+
+		$prestudent_id = $this->input->post('prestudent_id');
+		if(!$prestudent_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$formData = $this->input->post('formData');
+
+		$mobilitaet_id = (isset($formData['mobilitaet_id']) && !empty($formData['mobilitaet_id']))
+			? $formData['mobilitaet_id'] :
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Mobilitaet ID']), self::ERROR_TYPE_GENERAL);
+		$ausbildungssemester = (isset($formData['ausbildungssemester']) && !empty($formData['ausbildungssemester']))
+			? $formData['ausbildungssemester']
+			: null;
+		$mobilitaetstyp_kurzbz = (isset($formData['mobilitaetstyp_kurzbz']) && !empty($formData['mobilitaetstyp_kurzbz']))
+			? $formData['mobilitaetstyp_kurzbz']
+			: null;
+		$studiensemester_kurzbz = (isset($formData['studiensemester_kurzbz']) && !empty($formData['studiensemester_kurzbz']))
+			? $formData['studiensemester_kurzbz']
+			: null;
+
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('mobilitaetstyp_kurzbz', 'Typ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Typ'])
+		]);
+
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Studiensemester'])
+		]);
+
+		$this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'required|numeric', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Ausbildungssemester']),
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Ausbildungssemester']),
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$status_kurzbz = (isset($formData['status_kurzbz']) && !empty($formData['status_kurzbz'])) ? $formData['status_kurzbz'] : null;
+		$mobilitaetsprogramm_code = (isset($formData['mobilitaetsprogramm_code']) && !empty($formData['mobilitaetsprogramm_code']))
+			? $formData['mobilitaetsprogramm_code']
+			: null;
+		$gsprogramm_id = (isset($formData['gsprogramm_id']) && !empty($formData['gsprogramm_id']))
+			? $formData['gsprogramm_id']
+			: null;
+		$firma_id= (isset($formData['firma_id']) && !empty($formData['firma_id'])) ? $formData['firma_id'] : null;
+
+		$result = $this->MobilitaetModel->update(
+			[
+				'mobilitaet_id' => $mobilitaet_id,
+			],
+			[
+				'prestudent_id' => $prestudent_id,
+				'mobilitaetstyp_kurzbz' => $mobilitaetstyp_kurzbz,
+				'status_kurzbz' => $status_kurzbz,
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'mobilitaetsprogramm_code' => $mobilitaetsprogramm_code,
+				'gsprogramm_id' => $gsprogramm_id,
+				'firma_id' => $firma_id,
+				'ausbildungssemester' => $ausbildungssemester,
+				'updatevon' => $authUID,
+				'updateamum' => date('c'),
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteStudie($mobilitaet_id)
+	{
+		if(!$mobilitaet_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Mobilität ID']), self::ERROR_TYPE_GENERAL);
+		}
+		$result = $this->MobilitaetModel->delete(
+			array('mobilitaet_id' => $mobilitaet_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/Grades.php

@@ -0,0 +1,700 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about grades
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Grades extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'list' => 'student/noten:r',
+			'getCertificate' => 'student/noten:r',
+			'getTeacherProposal' => 'student/noten:r',
+			'getRepeaterGrades' => 'student/noten:r',
+			'updateCertificate' => ['admin:w', 'assistenz:w'],
+			'deleteCertificate' => ['admin:w', 'assistenz:w'],
+			'copyTeacherProposalToCertificate' => 'student/noten:w',
+			'copyRepeaterGradeToCertificate' => 'student/noten:w',
+			'getGradeFromPoints' => 'student/noten:r'
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		// Load Phrases
+		$this->loadPhrases([
+			'stv',
+			'person',
+			'lehre'
+		]);
+	}
+
+	/**
+	 * List all possible grades
+	 * (Entries in lehre.tbl_note)
+	 *
+	 * @return void
+	 */
+	public function list()
+	{
+		$this->load->model('codex/Note_model', 'NoteModel');
+
+		$this->NoteModel->addOrder('notenwert', 'ASC');
+		$this->NoteModel->addOrder('bezeichnung', 'ASC');
+		
+		$result = $this->NoteModel->load();
+
+		$grades = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($grades);
+	}
+
+	/**
+	 * List grades for the certificate of a prestudent.
+	 * (Entries in lehre.tbl_zeugnisnote)
+	 *
+	 * @param string				$prestudent_id
+	 * @param string|null			$studiensemester_kurzbz If studiensemester_kurzbz only this semesters grades will be loaded, otherwise all semesters grades will be loaded.
+	 *
+	 * @return void
+	 */
+	public function getCertificate($prestudent_id, $studiensemester_kurzbz = null)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$result = $this->StudentModel->loadWhere([
+			'prestudent_id' => $prestudent_id
+		]);
+
+		$student = $this->getDataOrTerminateWithError($result);
+		if (!$student)
+			$this->terminateWithSuccess([]);
+		
+		$student_uid = current($student)->student_uid;
+
+		if ($studiensemester_kurzbz !== null && !$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$result = $this->ZeugnisnoteModel->getZeugnisnoten($student_uid, $studiensemester_kurzbz);
+
+		$grades = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($grades);
+	}
+
+	/**
+	 * List grades of a prestudent that teachers gave.
+	 * (Entries in campus.tbl_lvgesamtnote)
+	 *
+	 * @param string				$prestudent_id
+	 * @param string|null			$studiensemester_kurzbz If studiensemester_kurzbz only this semesters grades will be loaded, otherwise all semesters grades will be loaded.
+	 *
+	 * @return void
+	 */
+	public function getTeacherProposal($prestudent_id, $studiensemester_kurzbz = null)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$this->load->model('education/Lvgesamtnote_model', 'LvgesamtnoteModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$result = $this->StudentModel->loadWhere([
+			'prestudent_id' => $prestudent_id
+		]);
+
+		$student = $this->getDataOrTerminateWithError($result);
+		if (!$student)
+			$this->terminateWithSuccess([]);
+		
+		
+		$student_uid = current($student)->student_uid;
+
+		if ($studiensemester_kurzbz !== null && !$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$result = $this->LvgesamtnoteModel->getLvGesamtNoten(null, $student_uid, $studiensemester_kurzbz);
+
+		$grades = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($grades);
+	}
+
+	/**
+	 * List grades of a prestudent that an assistant marked as already done
+	 * or as not allowed because of the repeating of a semester.
+	 *
+	 * @param string				$prestudent_id
+	 * @param string|false			$studiensemester_kurzbz If studiensemester_kurzbz only this semesters grades will be loaded, otherwise all semesters grades will be loaded.
+	 *
+	 * @return void
+	 */
+	public function getRepeaterGrades($prestudent_id, $studiensemester_kurzbz = false)
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->library('AntragLib');
+
+		if ($studiensemester_kurzbz !== false && !$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$result = $this->antraglib->getLvsForPrestudent($prestudent_id, $studiensemester_kurzbz);
+
+		$grades = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($grades);
+	}
+
+	/**
+	 * Update or Insert a grade for the certificate of a prestudent.
+	 * (Entry in lehre.tbl_zeugnisnote)
+	 *
+	 * @return void
+	 */
+	public function updateCertificate()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules("lehrveranstaltung_id", $this->p->t('lehre', 'lehrveranstaltung'), "required|integer");
+		$this->form_validation->set_rules("student_uid", $this->p->t('person', 'student'), "required");
+		$this->form_validation->set_rules("studiensemester_kurzbz", $this->p->t('lehre', 'studiensemester'), "required");
+		$this->form_validation->set_rules('note', $this->p->t('lehre', 'note'), 'required|numeric');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		$student_uid = $this->input->post('student_uid');
+		$lehrveranstaltung_id = $this->input->post('lehrveranstaltung_id');
+		$note = $this->input->post('note');
+		$authUID = getAuthUID();
+		$now = date('c');
+
+		// NOTE(chris): Stg Permissions
+		if (!$this->hasPermissionUpdate($lehrveranstaltung_id, $student_uid))
+			return $this->_outputAuthError([$this->router->method => ['admin', 'assistenz']]);
+
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+
+		$result = $this->ZeugnisnoteModel->load([
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'student_uid' => $student_uid,
+			'lehrveranstaltung_id' => $lehrveranstaltung_id
+		]);
+		$current = $this->getDataOrTerminateWithError($result);
+
+		if ($current) {
+			$result = $this->ZeugnisnoteModel->update([
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'student_uid' => $student_uid,
+				'lehrveranstaltung_id' => $lehrveranstaltung_id
+			], [
+				'note' => $note,
+				'benotungsdatum' => $now,
+				'updateamum' => $now,
+				'updatevon' => $authUID
+			]);
+		} else {
+			$result = $this->ZeugnisnoteModel->insert([
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'student_uid' => $student_uid,
+				'lehrveranstaltung_id' => $lehrveranstaltung_id,
+				'note' => $note,
+				'benotungsdatum' => $now,
+				'insertamum' => $now,
+				'insertvon' => $authUID
+			]);
+		}
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * Delete a grade from the certificate of a prestudent.
+	 * (Entry in lehre.tbl_zeugnisnote)
+	 *
+	 * @return void
+	 */
+	public function deleteCertificate()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules("lehrveranstaltung_id", $this->p->t('lehre', 'lehrveranstaltung'), "required|integer");
+		$this->form_validation->set_rules("student_uid", $this->p->t('person', 'student'), "required");
+		$this->form_validation->set_rules("studiensemester_kurzbz", $this->p->t('lehre', 'studiensemester'), "required");
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		$student_uid = $this->input->post('student_uid');
+		$lehrveranstaltung_id = $this->input->post('lehrveranstaltung_id');
+
+		// NOTE(chris): Stg Permissions
+		if (!$this->hasPermissionDelete($lehrveranstaltung_id, $student_uid))
+			return $this->_outputAuthError([$this->router->method => ['admin', 'assistenz']]);
+
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+
+		$result = $this->ZeugnisnoteModel->delete([
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'student_uid' => $student_uid,
+			'lehrveranstaltung_id' => $lehrveranstaltung_id
+		]);
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * Copy a grade that teachers gave to the certificate of a prestudent.
+	 * (Entry in campus.tbl_lvgesamtnote to an entry in lehre.tbl_zeugnisnote)
+	 *
+	 * @return void
+	 */
+	public function copyTeacherProposalToCertificate()
+	{
+		$this->load->library('form_validation');
+	
+		$this->form_validation->set_rules("lehrveranstaltung_id", $this->p->t('lehre', 'lehrveranstaltung'), "required|integer");
+		$this->form_validation->set_rules("student_uid", $this->p->t('person', 'student'), "required");
+		$this->form_validation->set_rules("studiensemester_kurzbz", $this->p->t('lehre', 'studiensemester'), "required");
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$lehrveranstaltung_id = $this->input->post('lehrveranstaltung_id');
+		$student_uid = $this->input->post('student_uid');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		$authUID = getAuthUID();
+		
+		// NOTE(chris): Stg Permissions
+		if (!$this->hasPermissionCopy($lehrveranstaltung_id, $student_uid))
+			return $this->_outputAuthError([$this->router->method => 'student/noten']);
+
+		$this->load->model('education/Lvgesamtnote_model', 'LvgesamtnoteModel');
+
+		$result = $this->LvgesamtnoteModel->load([
+			'student_uid' => $student_uid,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'lehrveranstaltung_id' => $lehrveranstaltung_id
+		]);
+		$teacherGrade = $this->getDataOrTerminateWithError($result);
+
+		if (!$teacherGrade)
+			show_404();
+
+		$teacherGrade = current($teacherGrade);
+
+		$data = [
+			'note' => $teacherGrade->note,
+			'punkte' => $teacherGrade->punkte,
+			'uebernahmedatum' => date('c'),
+			'benotungsdatum' => $teacherGrade->benotungsdatum,
+			'bemerkung' => $teacherGrade->bemerkung
+		];
+
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+
+		$this->ZeugnisnoteModel->addJoin('lehre.tbl_note n', 'note');
+		$result = $this->ZeugnisnoteModel->load([
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'student_uid' => $student_uid,
+			'lehrveranstaltung_id' => $lehrveranstaltung_id
+		]);
+		$certificateGrade = $this->getDataOrTerminateWithError($result);
+
+		if ($certificateGrade) {
+			$certificateGrade = current($certificateGrade);
+			
+			if (!$certificateGrade->lkt_ueberschreibbar)
+				$this->terminateWithError($this->p->t("stv", "grades_error_overwrite"));
+
+			// NOTE(chris): update
+			$data['updateamum'] = $data['uebernahmedatum'];
+			$data['updatevon'] = $authUID;
+
+			$this->ZeugnisnoteModel->update([
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'student_uid' => $student_uid,
+				'lehrveranstaltung_id' => $lehrveranstaltung_id
+			], $data);
+		} else {
+			// NOTE(chris): insert
+			$data['insertamum'] = $data['uebernahmedatum'];
+			$data['insertvon'] = $authUID;
+			$data['lehrveranstaltung_id'] = $lehrveranstaltung_id;
+			$data['student_uid'] = $student_uid;
+			$data['studiensemester_kurzbz'] = $studiensemester_kurzbz;
+			
+			$this->ZeugnisnoteModel->insert($data);
+
+			if (defined('FAS_PRUEFUNG_BEI_NOTENEINGABE_ANLEGEN')
+				&& FAS_PRUEFUNG_BEI_NOTENEINGABE_ANLEGEN) {
+				$result = $this->addTestsForGrade(
+					$studiensemester_kurzbz,
+					$student_uid,
+					$lehrveranstaltung_id,
+					$teacherGrade->note,
+					$teacherGrade->punkte
+				);
+				$this->getDataOrTerminateWithError($result);
+			}
+		}
+
+		
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * Copy a grade that was marked by an assistant as already done or not
+	 * allowed because of the repeating of a semester to the certificate of a
+	 * prestudent.
+	 *
+	 * @return void
+	 */
+	public function copyRepeaterGradeToCertificate()
+	{
+		$this->load->library('form_validation');
+	
+		$this->form_validation->set_rules("studierendenantrag_lehrveranstaltung_id", "studierendenantrag_lehrveranstaltung_id", "required|integer");
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$id = $this->input->post('studierendenantrag_lehrveranstaltung_id');
+		$authUID = getAuthUID();
+		
+		$this->load->model('education/Studierendenantraglehrveranstaltung_model', 'StudierendenantraglehrveranstaltungModel');
+
+		$this->StudierendenantraglehrveranstaltungModel->addSelect("tbl_studierendenantrag_lehrveranstaltung.*");
+		$this->StudierendenantraglehrveranstaltungModel->addSelect("student_uid");
+		$this->StudierendenantraglehrveranstaltungModel->addJoin("campus.tbl_studierendenantrag", "studierendenantrag_id");
+		$this->StudierendenantraglehrveranstaltungModel->addJoin("public.tbl_student", "prestudent_id", "LEFT");
+		
+		$result = $this->StudierendenantraglehrveranstaltungModel->load($id);
+		$repeaterGrade = $this->getDataOrTerminateWithError($result);
+
+		if (!$repeaterGrade)
+			show_404();
+
+		$repeaterGrade = current($repeaterGrade);
+
+		// NOTE(chris): Stg Permissions
+		if (!$this->hasPermissionCopy($repeaterGrade->lehrveranstaltung_id, $repeaterGrade->student_uid))
+			return $this->_outputAuthError([$this->router->method => 'student/noten']);
+
+		$data = [
+			'note' => $repeaterGrade->note,
+			'uebernahmedatum' => date('c'),
+			'benotungsdatum' => $repeaterGrade->insertamum,
+			'bemerkung' => $repeaterGrade->anmerkung
+		];
+
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+
+		$result = $this->ZeugnisnoteModel->load([
+			$repeaterGrade->studiensemester_kurzbz,
+			$repeaterGrade->student_uid,
+			$repeaterGrade->lehrveranstaltung_id
+		]);
+		$certificateGrade = $this->getDataOrTerminateWithError($result);
+
+		if ($certificateGrade) {
+			// NOTE(chris): update
+			$data['updateamum'] = $data['uebernahmedatum'];
+			$data['updatevon'] = $authUID;
+
+			$this->ZeugnisnoteModel->update([
+				$repeaterGrade->studiensemester_kurzbz,
+				$repeaterGrade->student_uid,
+				$repeaterGrade->lehrveranstaltung_id
+			], $data);
+		} else {
+			// NOTE(chris): insert
+			$data['insertamum'] = $data['uebernahmedatum'];
+			$data['insertvon'] = $authUID;
+			$data['lehrveranstaltung_id'] = $repeaterGrade->lehrveranstaltung_id;
+			$data['student_uid'] = $repeaterGrade->student_uid;
+			$data['studiensemester_kurzbz'] = $repeaterGrade->studiensemester_kurzbz;
+			
+			$this->ZeugnisnoteModel->insert($data);
+		}
+
+		
+		$this->terminateWithSuccess(true);
+	}
+
+	/**
+	 * Loads the grade from the points using the gradingkey
+	 *
+	 * @return void
+	 */
+	public function getGradeFromPoints()
+	{
+		$this->load->library('form_validation');
+	
+		$this->form_validation->set_rules("lehrveranstaltung_id", $this->p->t('lehre', 'lehrveranstaltung'), "required|integer");
+		$this->form_validation->set_rules("points", $this->p->t("stv", "grades_points"), "required|numeric");
+		$this->form_validation->set_rules("studiensemester_kurzbz", $this->p->t("lehre", "studiensemester"), "required|regex_match[/^[WS]S[0-9]{4}$/]");
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$this->load->model('education/Notenschluesselaufteilung_model', 'NotenschluesselaufteilungModel');
+		
+		$result = $this->NotenschluesselaufteilungModel->getNote(
+			$this->input->post('points'),
+			$this->input->post('lehrveranstaltung_id'),
+			$studiensemester_kurzbz
+		);
+
+		$note = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($note);
+	}
+
+	/**
+	 * Helper function that adds tests for a student
+	 * (Entries in lehre.tbl_pruefung)
+	 *
+	 * @param string				$studiensemester_kurzbz
+	 * @param string				$student_uid
+	 * @param integer				$lehrveranstaltung_id
+	 * @param integer				$note
+	 * @param numeric				$punkte
+	 *
+	 * @return stdClass
+	 */
+	protected function addTestsForGrade($studiensemester_kurzbz, $student_uid, $lehrveranstaltung_id, $note, $punkte)
+	{
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		// Get Lehreinheit
+		$result = $this->LehrveranstaltungModel->getLeByStudent($student_uid, $studiensemester_kurzbz, $lehrveranstaltung_id);
+
+		if (isError($result))
+			return $result;
+		if (!hasData($result))
+			return error($this->p->t("stv", "grades_error_lehreinheit_id"));
+		$le = current(getData($result));
+
+		// Prepare
+		$this->load->model('education/LePruefung_model', 'LePruefungModel');
+		$data = [
+			"student_uid" => $student_uid,
+			"lehreinheit_id" => $le->lehreinheit_id,
+			"datum" => date('Y-m-d'),
+			"pruefungstyp_kurzbz" => "Termin1",
+			"note" => $note
+		];
+
+		if (defined('CIS_GESAMTNOTE_PUNKTE') && CIS_GESAMTNOTE_PUNKTE)
+			$data["punkte"] = $punkte;
+		
+		// Get Anwesenheit
+		$this->load->model('education/Anwesenheit_model', 'AnwesenheitModel');
+		$result = $this->AnwesenheitModel->loadAnwesenheitStudiensemester($studiensemester_kurzbz, $student_uid, $lehrveranstaltung_id);
+		if (isError($result))
+			return $result;
+		$anwesenheit = getData($result);
+
+		if ($anwesenheit && (float)current($anwesenheit)->prozent < FAS_ANWESENHEIT_ROT) {
+			// Get Anwesenheitsbefreiung
+			$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+			$result = $this->BenutzerfunktionModel->getBenutzerFunktionByUidInStdsem($student_uid, $studiensemester_kurzbz, 'awbefreit');
+
+			if (isError($result))
+				return $result;
+
+			$anwesenheitsbefreit = hasData($result);
+
+			// Wenn nicht Anwesenheitsbefreit und Anwesenheit unter einem bestimmten Prozentsatz fällt dann wird ein Pruefungsantritt abgezogen
+			if (!$anwesenheitsbefreit) {
+				$data2 = $data;
+				$data2["note"] = 7;
+				if (isset($data2["punkte"]))
+					unset($data2["punkte"]);
+
+				$result = $this->LePruefungModel->insert($data2);
+
+				if (isError($result))
+					return $result;
+
+				$data["pruefungstyp_kurzbz"] = "Termin2";
+			}
+		}
+
+		return $this->LePruefungModel->insert($data);
+	}
+
+	/**
+	 * Helper function to check permissions for updateCertificate()
+	 *
+	 * @param integer				$lehrveranstaltung_id
+	 * @param string				$student_uid
+	 *
+	 * @return boolean
+	 */
+	protected function hasPermissionUpdate($lehrveranstaltung_id, $student_uid)
+	{
+		if ($lehrveranstaltung_id === null || $student_uid === null)
+			return true;
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		
+		$result = $this->StudentModel->load([$student_uid]);
+		if (isError($result) || !hasData($result))
+			return false;
+
+		$student = current(getData($result));
+
+		if ($this->permissionlib->isBerechtigt('admin', 'suid', $student->studiengang_kz))
+			return true;
+		if ($this->permissionlib->isBerechtigt('assistenz', 'suid', $student->studiengang_kz))
+			return true;
+
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$result = $this->StudienplanModel->getAllOesForLv($lehrveranstaltung_id);
+		if (isError($result))
+			return false;
+
+		$oes = getData($result) ?: [];
+
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$result = $this->LehrveranstaltungModel->getStg($lehrveranstaltung_id);
+		if (isError($result))
+			return false;
+
+		if (hasData($result))
+			$oes[] = current(getData($result));
+
+		foreach ($oes as $oe) {
+			if ($this->permissionlib->isBerechtigt('admin', 'suid', $oe->oe_kurzbz))
+				return true;
+			if ($this->permissionlib->isBerechtigt('assistenz', 'suid', $oe->oe_kurzbz))
+				return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Helper function to check permissions for deleteCertificate()
+	 *
+	 * @param integer				$lehrveranstaltung_id
+	 * @param string				$student_uid
+	 *
+	 * @return boolean
+	 */
+	protected function hasPermissionDelete($lehrveranstaltung_id, $student_uid)
+	{
+		if ($lehrveranstaltung_id === null || $student_uid === null)
+			return true;
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		
+		$result = $this->StudentModel->load([$student_uid]);
+		if (isError($result) || !hasData($result))
+			return false;
+
+		$student = current(getData($result));
+
+		if ($this->permissionlib->isBerechtigt('admin', 'suid', $student->studiengang_kz))
+			return true;
+		if ($this->permissionlib->isBerechtigt('assistenz', 'suid', $student->studiengang_kz))
+			return true;
+
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$result = $this->LehrveranstaltungModel->load($lehrveranstaltung_id);
+		if (isError($result) || !hasData($result))
+			return false;
+
+		$oe = current(getData($result));
+
+		if ($this->permissionlib->isBerechtigt('admin', 'suid', $oe->oe_kurzbz))
+			return true;
+		if ($this->permissionlib->isBerechtigt('assistenz', 'suid', $oe->oe_kurzbz))
+			return true;
+
+		return false;
+	}
+
+	/**
+	 * Helper function to check permissions for
+	 * copyTeacherProposalToCertificate() and copyRepeaterGradeToCertificate()
+	 *
+	 * @param integer				$lehrveranstaltung_id
+	 * @param string				$student_uid
+	 *
+	 * @return boolean
+	 */
+	protected function hasPermissionCopy($lehrveranstaltung_id, $student_uid)
+	{
+		if ($lehrveranstaltung_id === null || $student_uid === null)
+			return true;
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		
+		$result = $this->StudentModel->load([$student_uid]);
+		if (isError($result) || !hasData($result))
+			return false;
+		
+		$student = current(getData($result));
+
+		if ($this->permissionlib->isBerechtigt('student/noten', 'suid', $student->studiengang_kz))
+			return true;
+
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		
+		$result = $this->LehrveranstaltungModel->load($lehrveranstaltung_id);
+		if (isError($result) || !hasData($result))
+			return false;
+		
+		$oe = current(getData($result));
+
+		if ($this->permissionlib->isBerechtigt('student/noten', 'suid', $oe->oe_kurzbz))
+			return true;
+
+		return false;
+	}
+}

application/controllers/api/frontend/v1/stv/Gruppen.php

@@ -0,0 +1,229 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Gruppen extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'search' => ['admin:r', 'assistenz:r'],
+			'getGruppen' => ['admin:r', 'assistenz:r'],
+			'deleteGruppe' => ['admin:rw', 'assistenz:rw'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'gruppenmanagement',
+			'lehre'
+		]);
+
+		// Load models
+		$this->load->model('person/Benutzergruppe_model', 'BenutzergruppeModel');
+		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
+	}
+
+	public function add()
+	{
+		$this->load->library("form_validation");
+
+		$this->form_validation->set_rules(
+			'gruppe_kurzbz',
+			$this->p->t('gruppenmanagement', 'gruppe'),
+			'required|is_in_db[organisation/Gruppe_model]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+		$this->form_validation->set_rules(
+			'uid',
+			$this->p->t('ui', 'student_uid'),
+			'required|is_in_db[crm/Student_model:student_uid]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+		$this->form_validation->set_rules(
+			'studiensemester_kurzbz',
+			$this->p->t('lehre', 'studiensemester'),
+			'required|is_in_db[organisation/Studiensemester_model]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$gruppe_kurzbz = $this->input->post('gruppe_kurzbz');
+		$uid = $this->input->post('uid');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+
+		$result = $this->BenutzergruppeModel->load([
+			$gruppe_kurzbz,
+			$uid
+		]);
+		$benutzergruppe = $this->getDataOrTerminateWithError($result);
+
+		if ($benutzergruppe) {
+			$this->terminateWithError(
+				$this->p->t('gruppenmanagement', 'error_alreadyInGroup', [
+					'uid' => $uid,
+					'studiensemester_kurzbz' => current($benutzergruppe)->studiensemester_kurzbz
+				]),
+				self::ERROR_TYPE_GENERAL
+			);
+		}
+
+		$result = $this->BenutzergruppeModel->insert([
+			'uid' => $uid,
+			'gruppe_kurzbz' => $gruppe_kurzbz,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		]);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess();
+	}
+
+	public function search()
+	{
+		$query = $this->input->post('query');
+		if (!$query)
+			$this->terminateWithSuccess([]);
+
+		// add query to where clause
+		$query = strtoupper($query);
+		$query = $this->GruppeModel->db->escape_like_str($query);
+		$query = '%' . str_replace(' ', '%', $query) . '%';
+
+		$this->GruppeModel->db->group_start();
+		$this->GruppeModel->db->or_like('UPPER(gruppe_kurzbz)', $query, 'none', false);
+		$this->GruppeModel->db->or_like('UPPER(bezeichnung)', $query, 'none', false);
+		$this->GruppeModel->db->or_like('UPPER(beschreibung)', $query, 'none', false);
+		$this->GruppeModel->db->group_end();
+		
+		// add stg sorting 1
+		$studiengang_kz = $this->input->post('studiengang_kz');
+		$sort_stg = $studiengang_kz ? "WHEN studiengang_kz = " . $this->GruppeModel->escape($studiengang_kz) . " THEN 0" : "";
+
+		// add stg sorting 2
+		$studiengang_kzs = [];
+		$result = $this->permissionlib->getSTG_isEntitledFor('admin');
+		if ($result)
+			$studiengang_kzs = array_merge($studiengang_kzs, $result);
+		$result = $this->permissionlib->getSTG_isEntitledFor('assistenz');
+		if ($result)
+			$studiengang_kzs = array_merge($studiengang_kzs, $result);
+
+		// selects
+		$this->GruppeModel->addSelect("*");
+		$this->GruppeModel->addSelect("CASE
+			" . $sort_stg . "
+			WHEN studiengang_kz IN (" . implode(",", $this->GruppeModel->db->escape($studiengang_kzs)) . ")
+			THEN 1
+			ELSE 2
+		END AS sort_stg");
+
+		// ordering
+		$this->GruppeModel->addOrder("sort_stg");
+		$this->GruppeModel->addOrder("sort");
+		$this->GruppeModel->addOrder("gruppe_kurzbz");
+
+		// default where clause & execute
+		$result = $this->GruppeModel->loadWhere([
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false,
+			'generiert' => false
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getGruppen($student_uid)
+	{
+		$this->BenutzergruppeModel->addSelect('gruppe_kurzbz');
+		$this->BenutzergruppeModel->addSelect('bezeichnung');
+		$this->BenutzergruppeModel->addSelect('generiert');
+		$this->BenutzergruppeModel->addSelect('uid');
+		$this->BenutzergruppeModel->addSelect('studiensemester_kurzbz');
+		$this->BenutzergruppeModel->addJoin('public.tbl_gruppe', 'gruppe_kurzbz');
+		$this->BenutzergruppeModel->addOrder('bezeichnung', 'ASC');
+
+		$result = $this->BenutzergruppeModel->loadWhere(
+			array(
+				'uid' => $student_uid
+			)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteGruppe()
+	{
+		$this->load->library("form_validation");
+
+		$this->form_validation->set_rules(
+			'uid',
+			$this->p->t('person', 'UID'),
+			'required',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired')
+			]
+		);
+
+		$this->form_validation->set_rules(
+			'gruppe_kurzbz',
+			$this->p->t('gruppenmanagement', 'gruppe'),
+			'required',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired')
+			]
+		);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$uid = $this->input->post('uid');
+		$gruppe_kurzbz = $this->input->post('gruppe_kurzbz');
+
+		// Validate if automatic group generation
+		$result = $this->GruppeModel->loadWhere([
+			'gruppe_kurzbz' => $gruppe_kurzbz
+		]);
+		$data = $this->getDataOrTerminateWithError($result);
+		$generation = current($data);
+
+		if ($generation->generiert)
+		{
+			$this->terminateWithError($this->p->t('gruppenmanagement', 'error_deleteGeneratedGroups'), self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->BenutzergruppeModel->delete([
+			'gruppe_kurzbz' => $gruppe_kurzbz,
+			'uid' => $uid
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		return $this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/Kontakt.php

@@ -0,0 +1,812 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Kontakt extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getAdressen' => ['admin:r', 'assistenz:r'],
+			'addNewAddress' => ['admin:rw', 'assistenz:rw'],
+			'addNewContact' => ['admin:rw', 'assistenz:rw'],
+			'addNewBankverbindung' => ['mitarbeiter/bankdaten:rw', 'student/bankdaten:rw'],
+			'updateAddress' => ['admin:rw', 'assistenz:rw'],
+			'updateContact' => ['admin:rw', 'assistenz:rw'],
+			'updateBankverbindung' => ['mitarbeiter/bankdaten:rw', 'student/bankdaten:rw'],
+			'loadAddress' => ['admin:r', 'assistenz:r'],
+			'loadContact' => ['admin:r', 'assistenz:r'],
+			'loadBankverbindung' => ['mitarbeiter/bankdaten:r', 'student/bankdaten:r'],
+			'deleteAddress' => ['admin:rw', 'assistenz:rw'],
+			'deleteContact' => ['admin:rw','assistenz:rw'],
+			'deleteBankverbindung' => ['mitarbeiter/bankdaten:rw','astudent/bankdaten:rw'],
+			'getAdressentypen' => ['admin:r', 'assistenz:r'],
+			'getKontakttypen' => ['admin:r', 'assistenz:r'],
+			'getFirmen' => ['admin:r', 'assistenz:r'],
+			'getStandorte' => ['admin:r', 'assistenz:r'],
+			'getStandorteByFirma' => ['admin:r', 'assistenz:r'],
+			'getKontakte' => ['admin:r', 'assistenz:r'],
+			'getBankverbindung' => ['mitarbeiter/bankdaten:r', 'student/bankdaten:r'],
+			'getAllFirmen' => ['admin:r', 'assistenz:r']
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'person'
+		]);
+
+		// Load models
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+		$this->load->model('organisation/standort_model', 'StandortModel');
+		$this->load->model('ressource/firma_model', 'FirmaModel');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+		$this->load->model('person/Kontakttyp_model', 'KontakttypModel');
+
+		// Extra Permissionchecks
+		$permsMa = [];
+		$permsStud = [];
+		$permsDefault = null;
+		switch ($this->router->method) {
+			case 'getBankverbindung':
+			case 'loadBankverbindung':
+				$permsMa = ['mitarbeiter/bankdaten:r'];
+				$permsStud = ['student/bankdaten:r'];
+				break;
+			case 'addNewBankverbindung':
+			case 'updateBankverbindung':
+			case 'deleteBankverbindung':
+				$permsMa = ['mitarbeiter/bankdaten:rw'];
+				$permsStud = ['student/bankdaten:rw'];
+				break;
+			case 'getAdressen':
+			case 'getKontakte':
+			case 'loadAddress':
+			case 'loadContact':
+				$permsMa = $permsStud = $permsDefault = ['admin:r', 'assistenz:r'];
+				break;
+			case 'addNewAddress':
+			case 'addNewContact':
+			case 'updateAddress':
+			case 'updateContact':
+			case 'deleteAddress':
+			case 'deleteContact':
+				$permsMa = $permsStud = $permsDefault = ['admin:rw', 'assistenz:rw'];
+				break;
+		}
+		if ($this->router->method == 'getAdressen'
+			|| $this->router->method == 'getKontakte'
+			|| $this->router->method == 'getBankverbindung'
+			|| $this->router->method == 'addNewAddress'
+			|| $this->router->method == 'addNewContact'
+			|| $this->router->method == 'addNewBankverbindung'
+		) {
+			$person_id = current(array_slice($this->uri->rsegments, 2));
+
+			if (is_null($person_id) || !ctype_digit((string)$person_id))
+				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud, $permsDefault);
+		} elseif ($this->router->method == 'loadAddress'
+			|| $this->router->method == 'loadContact'
+			|| $this->router->method == 'loadBankverbindung'
+			|| $this->router->method == 'updateAddress'
+			|| $this->router->method == 'updateContact'
+			|| $this->router->method == 'updateBankverbindung'
+			|| $this->router->method == 'deleteAddress'
+			|| $this->router->method == 'deleteContact'
+			|| $this->router->method == 'deleteBankverbindung'
+		) {
+			if($this->input->post('address_id'))
+				$id = $this->input->post('address_id');
+			if($this->input->post('adresse_id'))
+				$id = $this->input->post('adresse_id');
+			if($this->input->post('bankverbindung_id'))
+				$id = $this->input->post('bankverbindung_id');
+			if($this->input->post('kontakt_id'))
+				$id = $this->input->post('kontakt_id');
+
+			$model = 'person/Adresse_model';
+			if ($this->router->method == 'loadContact'
+				|| $this->router->method == 'updateContact'
+				|| $this->router->method == 'deleteContact'
+			) {
+				$model = 'person/Kontakt_model';
+			} elseif ($this->router->method == 'loadBankverbindung'
+				|| $this->router->method == 'updateBankverbindung'
+				|| $this->router->method == 'deleteBankverbindung'
+			) {
+				$model = 'person/Bankverbindung_model';
+			}
+
+			if (!isset($id) || !ctype_digit((string)$id))
+				$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+			$this->load->model($model, 'TempModel');
+			$result = $this->TempModel->load($id);
+			$data = $this->getDataOrTerminateWithError($result);
+			if (!$result)
+				show_404();
+
+			$person_id = current($data)->person_id;
+			
+			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud, $permsDefault);
+		}
+	}
+	public function getAdressen($person_id)
+	{
+		$this->AdresseModel->addSelect("public.tbl_adresse.*,
+			(CASE
+				WHEN public.tbl_adresse.updateamum >= public.tbl_adresse.insertamum
+				THEN public.tbl_adresse.updateamum
+				ELSE public.tbl_adresse.insertamum
+			END) AS lastUpdate");
+		$this->AdresseModel->addSelect('t.*');
+		$this->AdresseModel->addSelect('f.firma_id');
+		$this->AdresseModel->addSelect('f.name as firmenname');
+		$this->AdresseModel->addJoin('public.tbl_adressentyp t', 'ON (t.adressentyp_kurzbz = public.tbl_adresse.typ)');
+		$this->AdresseModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = public.tbl_adresse.firma_id)', 'LEFT');
+
+		$result = $this->AdresseModel->loadWhere(
+			array('person_id' => $person_id)
+		);
+		if (isError($result)) {
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+
+	public function addNewAddress($person_id)
+	{
+		$this->form_validation->set_data(['address.plz' => $_POST['plz']]);
+
+		$this->form_validation->set_rules('address.plz', 'PLZ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'PLZ']),
+		]);
+
+		if(isset($_POST['nation']) && $_POST['nation'] == 'A')
+		{
+			$this->form_validation->set_rules('address.plz', 'PLZ', 'required|numeric', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'PLZ']),
+				'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'PLZ'])
+			]);
+		}
+
+		if(isset($_POST['gemeinde']) && isset($_POST['ort']) && isset($_POST['nation']) && $_POST['nation'] == 'A')
+		{
+			$this->form_validation->set_rules('address.plz', 'Postleitzahl', 'callback_validateLocationCombination', [
+				'validateLocationCombination' => $this->p->t('ui', 'error_location_combination')
+			]);
+		}
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$uid = getAuthUID();
+		$co_name = isset($_POST['co_name']) ? $_POST['co_name'] : null;
+		$strasse = isset($_POST['strasse']) ? $_POST['strasse'] : null;
+		$ort = isset($_POST['ort']) ? $_POST['ort'] : null;
+		$gemeinde = isset($_POST['gemeinde']) ? $_POST['gemeinde'] : null;
+		$nation = isset($_POST['nation']) ? $_POST['nation'] : null;
+		$name = isset($_POST['name']) ? $_POST['name'] : null;
+		$typ = isset($_POST['typ']) ? $_POST['typ'] : null;
+		$anmerkung = isset($_POST['anmerkung']) ? $_POST['anmerkung'] : null;
+		$firma_id = isset($_POST['firma_id']) ? $_POST['firma_id'] : null;
+
+		$result = $this->AdresseModel->insert(
+			[
+				'person_id' => $person_id,
+				'strasse' =>  $strasse,
+				'insertvon' => $uid,
+				'insertamum' => date('c'),
+				'plz' => $_POST['plz'],
+				'ort' => $ort,
+				'gemeinde' => $gemeinde,
+				'nation' => $nation,
+				'heimatadresse' => $_POST['heimatadresse'],
+				'zustelladresse' => $_POST['zustelladresse'],
+				'co_name' => $co_name,
+				'typ' => $typ,
+				'firma_id' => $firma_id,
+				'name' => $name,
+				'rechnungsadresse' => $_POST['rechnungsadresse'],
+				'anmerkung' => $anmerkung
+
+			]
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateAddress()
+	{
+		$address_id = $this->input->post('adresse_id');
+
+		$this->form_validation->set_data(['address.plz' => $_POST['plz']]);
+
+		$uid = getAuthUID();
+
+		$this->form_validation->set_rules('address.plz', 'PLZ', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'PLZ']),
+		]);
+
+		if(isset($_POST['nation']) && $_POST['nation'] == 'A')
+		{
+			$this->form_validation->set_rules('address.plz', 'PLZ', 'required|numeric', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'PLZ']),
+				'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'PLZ'])
+			]);
+		}
+
+		if(isset($_POST['gemeinde']) && isset($_POST['ort']) && isset($_POST['nation']) && $_POST['nation'] == 'A')
+		{
+			$this->form_validation->set_rules('address.plz', 'Postleitzahl', 'callback_validateLocationCombination', [
+				'validateLocationCombination' => $this->p->t('ui', 'error_location_combination')
+			]);
+		}
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+
+		if(!$address_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Adresse_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$person_id = isset($_POST['person_id']) ? $_POST['person_id'] : null;
+		$co_name = isset($_POST['co_name']) ? $_POST['co_name'] : null;
+		$strasse = isset($_POST['strasse']) ? $_POST['strasse'] : null;
+		$ort = isset($_POST['ort']) ? $_POST['ort'] : null;
+		$gemeinde = isset($_POST['gemeinde']) ? $_POST['gemeinde'] : null;
+		$nation = isset($_POST['nation']) ? $_POST['nation'] : null;
+		$name = isset($_POST['name']) ? $_POST['name'] : null;
+		$typ = isset($_POST['typ']) ? $_POST['typ'] : null;
+		$anmerkung = isset($_POST['anmerkung']) ? $_POST['anmerkung'] : null;
+		$firma_id = isset($_POST['firma_id']) ? $_POST['firma_id'] : null;
+
+		$result = $this->AdresseModel->update(
+			[
+				'adresse_id' => $address_id
+			],
+			[	'person_id' => $person_id,
+				'strasse' =>  $strasse,
+				'updatevon' => $uid,
+				'updateamum' => date('c'),
+				'plz' => $_POST['plz'],
+				'ort' => $ort,
+				'gemeinde' => $gemeinde,
+				'nation' => $nation,
+				'heimatadresse' => $_POST['heimatadresse'],
+				'zustelladresse' => $_POST['zustelladresse'],
+				'co_name' => $co_name,
+				'typ' => $typ,
+				'firma_id' => $firma_id,
+				'name' => $name,
+				'rechnungsadresse' => $_POST['rechnungsadresse'],
+				'anmerkung' => $anmerkung
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadAddress()
+	{
+		$adresse_id = $this->input->post('address_id');
+
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+
+		$this->AdresseModel->addSelect('public.tbl_adresse.*');
+		$this->AdresseModel->addSelect('t.*');
+		$this->AdresseModel->addSelect('f.firma_id');
+		$this->AdresseModel->addSelect('f.name as firmenname');
+		$this->AdresseModel->addJoin('public.tbl_adressentyp t', 'ON (t.adressentyp_kurzbz = public.tbl_adresse.typ)');
+		$this->AdresseModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = public.tbl_adresse.firma_id)', 'LEFT');
+
+		$this->AdresseModel->addLimit(1);
+
+		$result = $this->AdresseModel->loadWhere(
+			array('adresse_id' => $adresse_id)
+		);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Adresse_id']), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function deleteAddress()
+	{
+		$adresse_id = $this->input->post('address_id');
+
+		$this->load->model('person/Adresse_model', 'AdresseModel');
+		$result = $this->AdresseModel->load([
+			'adresse_id'=> $adresse_id,
+		]);
+		if(isError($result))
+		{
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$result = current(getData($result));
+
+		if($result->heimatadresse)
+
+			$this->terminateWithError($this->p->t('person', 'error_deleteHomeAdress'), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->AdresseModel->delete(
+			array('adresse_id' => $adresse_id)
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		if (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Adresse_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function getAdressentypen()
+	{
+		$this->load->model('person/Adressentyp_model', 'AdressentypModel');
+
+		$result = $this->AdressentypModel->load();
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess(getData($result) ?: []);
+	}
+
+	public function getFirmen($searchString = null)
+	{
+		if (is_null($searchString))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('ressource/firma_model', 'FirmaModel');
+
+		$result = $this->FirmaModel->searchFirmen($searchString);
+		if (isError($result)) {
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess($result ?: []);
+	}
+
+	public function getStandorte($searchString = null)
+	{
+		if (is_null($searchString))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('organisation/standort_model', 'StandortModel');
+
+		$result = $this->StandortModel->searchStandorte($searchString);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStandorteByFirma($firma_id = null)
+	{
+		if (is_null($firma_id) || !ctype_digit((string)$firma_id))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('organisation/standort_model', 'StandortModel');
+
+		$result = $this->StandortModel->getStandorteByFirma($firma_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getKontakte($person_id)
+	{
+		$this->KontaktModel->addSelect("public.tbl_kontakt.*,
+			(CASE
+				WHEN public.tbl_kontakt.updateamum >= public.tbl_kontakt.insertamum
+				THEN public.tbl_kontakt.updateamum
+				ELSE public.tbl_kontakt.insertamum
+			END) AS lastUpdate, st.bezeichnung, f.name");
+		$this->KontakttypModel->addSelect("kt.beschreibung as kontakttypbeschreibung");
+		$this->StandortModel->addJoin('public.tbl_standort st', 'ON (public.tbl_kontakt.standort_id = st.standort_id)', 'LEFT');
+		$this->FirmaModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = st.firma_id)', 'LEFT');
+		$this->KontakttypModel->addJoin('public.tbl_kontakttyp kt', 'ON (public.tbl_kontakt.kontakttyp = kt.kontakttyp)');
+		$result = $this->KontaktModel->loadWhere(
+			array(
+				'person_id' => $person_id,
+				'public.tbl_kontakt.kontakttyp !=' => 'hidden'
+			)
+		);
+
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess((getData($result) ?: []));
+
+	}
+
+	public function getKontakttypen()
+	{
+		$this->load->model('person/Kontakttyp_model', 'KontakttypModel');
+		$this->KontakttypModel->addOrder('beschreibung', 'ASC');
+		$result = $this->KontakttypModel->loadWhere(array('kontakttyp !=' => 'hidden'));
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadContact()
+	{
+		$kontakt_id = $this->input->post('kontakt_id');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+
+		$this->KontaktModel->addSelect('*, public.tbl_kontakt.*');
+		$this->KontaktModel->addSelect('st.kurzbz');
+		$this->KontaktModel->addJoin('public.tbl_standort st', 'ON (public.tbl_kontakt.standort_id = st.standort_id)', 'LEFT');
+		$this->FirmaModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = st.firma_id)', 'LEFT');
+
+		$this->KontaktModel->addLimit(1);
+
+		$result = $this->KontaktModel->loadWhere(
+			array('kontakt_id' => $kontakt_id)
+		);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		if (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Kontakt_id']), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess(current(getData($result)));
+	}
+
+	public function addNewContact($person_id)
+	{
+		if(($_POST['kontakttyp'] == 'email' && isset($_POST['kontakt'])))
+		{
+			$this->form_validation->set_rules('kontakt', 'Kontakt', 'required|valid_email', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Kontakt']),
+				'valid_email' => $this->p->t('ui', 'error_fieldNoValidEmail', ['field' => 'Kontakt'])
+			]);
+		}
+		else
+		{
+			$this->form_validation->set_rules('kontakt', 'Kontakt', 'required', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Kontakt'])
+			]);
+		}
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+
+		$uid = getAuthUID();
+
+		$kontakttyp = $this->input->post('kontakttyp');
+		$anmerkung = $this->input->post('anmerkung');
+		$kontakt = $this->input->post('kontakt');
+		$ext_id = $this->input->post('ext_id');
+		$standort_id = $this->input->post('standort_id');
+
+		$result = $this->KontaktModel->insert(
+			[
+				'person_id' => $person_id,
+				'kontakttyp' =>  $kontakttyp,
+				'anmerkung' => $anmerkung,
+				'kontakt' => $kontakt,
+				'zustellung' => $_POST['zustellung'],
+				'insertvon' => $uid,
+				'insertamum' => date('c'),
+				'standort_id' => $standort_id,
+				'ext_id' => $ext_id
+			]
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess($result);
+	}
+
+	public function updateContact()
+	{
+		$kontakt_id = $this->input->post('kontakt_id');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+
+		if(!$kontakt_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Kontakt_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		if(($_POST['kontakttyp'] == 'email' && isset($_POST['kontakt'])))
+		{
+			$this->form_validation->set_rules('kontakt', 'Kontakt', 'required|valid_email', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Kontakt']),
+				'valid_email' => $this->p->t('ui', 'error_fieldNoValidEmail', ['field' => 'Kontakt'])
+			]);
+		}
+		else
+		{
+			$this->form_validation->set_rules('kontakt', 'Kontakt', 'required', [
+				'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Kontakt'])
+			]);
+		}
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$uid = getAuthUID();
+		$kontakttyp = $this->input->post('kontakttyp');
+		$anmerkung = $this->input->post('anmerkung');
+		$kontakt = $this->input->post('kontakt');
+		$ext_id = $this->input->post('ext_id');
+		$person_id = $this->input->post('person_id');
+		$standort_id = $this->input->post('standort_id');
+
+		$result = $this->KontaktModel->update(
+			[
+				'kontakt_id' => $kontakt_id
+			],
+			[
+				'person_id' => $person_id,
+				'kontakttyp' =>  $kontakttyp,
+				'anmerkung' => $anmerkung,
+				'kontakt' => $kontakt,
+				'zustellung' => $_POST['zustellung'],
+				'updatevon' => $uid,
+				'updateamum' => date('c'),
+				'standort_id' => $standort_id,
+				'ext_id' => $ext_id
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteContact()
+	{
+		$kontakt_id = $this->input->post('kontakt_id');
+		$this->load->model('person/Kontakt_model', 'KontaktModel');
+
+		$result = $this->KontaktModel->delete(
+			array('kontakt_id' => $kontakt_id)
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		elseif (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Kontakt_id']), self::ERROR_TYPE_GENERAL);
+		}
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function getBankverbindung($person_id)
+	{
+		$this->load->model('person/Bankverbindung_model', 'BankverbindungModel');
+
+		$this->BankverbindungModel->addSelect('*');
+
+		$result = $this->BankverbindungModel->loadWhere(
+			array('person_id' => $person_id)
+		);
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess((getData($result) ?: []));
+	}
+
+	public function addNewBankverbindung($person_id)
+	{
+		$this->form_validation->set_rules('iban', 'IBAN', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'IBAN'])
+		]);
+
+		$this->form_validation->set_rules('typ', 'TYP', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'TYP'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('person/Bankverbindung_model', 'BankverbindungModel');
+
+		$ext_id = $this->input->post('ext_id');
+		$oe_kurzbz = $this->input->post('oe_kurzbz');
+		$orgform_kurzbz = $this->input->post('orgform_kurzbz');
+		$name = $this->input->post('name');
+		$anschrift = $this->input->post('anschrift');
+		$bic = $this->input->post('bic');
+		$blz  = $this->input->post('blz');
+		$kontonr = $this->input->post('kontonr');
+		$iban = $this->input->post('iban');
+		$typ = $this->input->post('typ');
+		$verrechnung = $this->input->post('verrechnung');
+		$uid = getAuthUID();
+
+		$result = $this->BankverbindungModel->insert(
+			[
+				'person_id' => $person_id,
+				'name' => $name,
+				'anschrift' => $anschrift,
+				'bic' => $bic,
+				'iban' => $iban,
+				'blz' => $blz,
+				'kontonr' => $kontonr,
+				'insertvon' =>  $uid,
+				'insertamum' => date('c'),
+				'typ' => $typ,
+				'verrechnung' => $verrechnung,
+				'ext_id' => $ext_id,
+				'oe_kurzbz' => $oe_kurzbz,
+				'orgform_kurzbz' => $orgform_kurzbz
+			]
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function loadBankverbindung()
+	{
+		$bankverbindung_id = $this->input->post('bankverbindung_id');
+
+		$this->load->model('person/Bankverbindung_model', 'BankverbindungModel');
+
+		$this->BankverbindungModel->addSelect('*');
+
+		$this->BankverbindungModel->addLimit(1);
+
+		$result = $this->BankverbindungModel->loadWhere(
+			array('bankverbindung_id' => $bankverbindung_id)
+		);
+		if (isError($result))
+		{
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Bankverbindung_id']), self::ERROR_TYPE_GENERAL);
+		}
+		$this->terminateWithSuccess(current(getData($result)));
+	}
+
+	public function updateBankverbindung($bankverbindung_id)
+	{
+		$this->form_validation->set_rules('iban', 'IBAN', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'IBAN'])
+		]);
+
+		$this->form_validation->set_rules('typ', 'TYP', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'TYP'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('person/Bankverbindung_model', 'BankverbindungModel');
+
+		if(!$bankverbindung_id)
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Bankverbindung_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		$uid = getAuthUID();
+
+		$result = $this->BankverbindungModel->update(
+			[
+				'bankverbindung_id' => $bankverbindung_id
+			],
+			[
+				'person_id' => $_POST['person_id'],
+				'name' => $_POST['name'],
+				'anschrift' => $_POST['anschrift'],
+				'bic' => $_POST['bic'],
+				'iban' => $_POST['iban'],
+				'blz' => $_POST['blz'],
+				'kontonr' => $_POST['kontonr'],
+				'updatevon' => $uid,
+				'updateamum' => date('c'),
+				'typ' => $_POST['typ'],
+				'verrechnung' => $_POST['verrechnung'],
+				'ext_id' => $_POST['ext_id'],
+				'oe_kurzbz' => $_POST['oe_kurzbz'],
+				'orgform_kurzbz' => $_POST['orgform_kurzbz']
+			]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteBankverbindung()
+	{
+		$bankverbindung_id = $this->input->post('bankverbindung_id');
+
+		$this->load->model('person/Bankverbindung_model', 'BankverbindungModel');
+
+		$result = $this->BankverbindungModel->delete(
+			array('bankverbindung_id' => $bankverbindung_id)
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		if (!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Bankverbindung_id']), self::ERROR_TYPE_GENERAL);
+		}
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function validateLocationCombination()
+	{
+		$this->load->model('codex/Gemeinde_model', 'GemeindeModel');
+
+		return $this->GemeindeModel->checkLocation($_POST['plz'], $_POST['gemeinde'], $_POST['ort']);
+	}
+
+	/*
+	* returns list of all companies
+	* as key value list to be used in select or autocomplete
+	*/
+	public function getAllFirmen()
+	{
+		$sql = "
+			SELECT
+				f.firma_id, f.name,
+				f.name AS label
+			FROM public.tbl_firma f
+			ORDER BY f.name ASC";
+
+		$result = $this->FirmaModel->execReadOnlyQuery($sql);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+
+}

application/controllers/api/frontend/v1/stv/Konto.php

@@ -0,0 +1,497 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about a Konto
+ * Listens to ajax post calls to change the Konto data
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Konto extends FHCAPI_Controller
+{
+	/**
+	 * Calls the parent's constructor and prepares libraries and phrases
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'get' => 'student/stammdaten:r',
+			'getBuchungstypen' => self::PERM_LOGGED,
+			'checkDoubles' => ['admin:r', 'assistenz:r'],
+			'insert' => ['admin:w', 'assistenz:w'],
+			'counter' => ['admin:w', 'assistenz:w'],
+			'update' => ['admin:w', 'assistenz:w'],
+			'delete' => ['admin:w', 'assistenz:w']
+		]);
+
+		// Load models
+		$this->load->model('crm/Konto_model', 'KontoModel');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'konto'
+		]);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	/**
+	 * Get details for a prestudent
+	 *
+	 * @return void
+	 */
+	public function get()
+	{
+		$this->load->library('form_validation');
+
+		$person_id = $this->input->post('person_id');
+		if (!$person_id || !is_array($person_id)) {
+			$this->form_validation->set_rules('person_id', 'Person ID', 'required');
+
+			if (!$this->form_validation->run())
+				$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+
+		$studiengang_kz = $this->input->post('studiengang_kz');
+
+		if ($this->input->post('only_open')) {
+			$result = $this->KontoModel->getOffeneBuchungen($person_id, $studiengang_kz);
+		} else {
+			$result = $this->KontoModel->getAlleBuchungen($person_id, $studiengang_kz);
+		}
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		// sort into tree
+		$childs = [];
+		$data = [];
+		foreach ($result as $entry) {
+			if ($entry->buchungsnr_verweis) {
+				if (isset($data[$entry->buchungsnr_verweis])) {
+					if (!isset($data[$entry->buchungsnr_verweis]->_children))
+						$data[$entry->buchungsnr_verweis]->_children = [];
+					$data[$entry->buchungsnr_verweis]->_children[] = $entry;
+				} else {
+					if (!isset($childs[$entry->buchungsnr_verweis]))
+						$childs[$entry->buchungsnr_verweis] = [];
+					$childs[$entry->buchungsnr_verweis][] = $entry;
+				}
+			} else {
+				$data[$entry->buchungsnr] = $entry;
+				if (isset($childs[$entry->buchungsnr]))
+					$entry->_children = $childs[$entry->buchungsnr];
+			}
+		}
+
+		$this->terminateWithSuccess(array_values($data));
+	}
+
+	/**
+	 * Get list of Buchungstypen
+	 *
+	 * @return void
+	 */
+	public function getBuchungstypen()
+	{
+		$this->load->model('crm/Buchungstyp_model', 'BuchungstypModel');
+
+		$this->BuchungstypModel->addOrder('beschreibung');
+		
+		$result = $this->BuchungstypModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	/**
+	 * Check double Buchungen
+	 *
+	 * @return void
+	 */
+	public function checkDoubles()
+	{
+		if (!defined('FAS_DOPPELTE_BUCHUNGSTYPEN_CHECK') || !FAS_DOPPELTE_BUCHUNGSTYPEN_CHECK)
+			$this->terminateWithSuccess(false);
+
+		$this->load->library('form_validation');
+
+		$person_ids = $this->input->post('person_id');
+
+		if (!$person_ids || !is_array($person_ids)) {
+			$person_ids = [$person_ids];
+			$this->form_validation->set_rules('person_id', 'Person ID', 'required');
+		}
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required');
+		$this->form_validation->set_rules('buchungstyp_kurzbz', 'Buchungstyp', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$buchungstypen = unserialize(FAS_DOPPELTE_BUCHUNGSTYPEN_CHECK);
+		$buchung = $this->input->post('buchungstyp_kurzbz');
+		
+		if (!isset($buchungstypen[$buchung]))
+			$this->terminateWithSuccess(false);
+
+		$result = $this->KontoModel->checkDoubleBuchung($person_ids, $this->input->post('studiensemester_kurzbz'), $buchungstypen[$buchung]);
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		if (!$result)
+			$this->terminateWithSuccess(false);
+
+		$persons = array_map(function ($row) {
+			return $row->nachname . ' ' . $row->vorname;
+		}, $result);
+		
+		$result = $this->p->t('konto', 'confirm_overwrite') . "\n";
+		if (count($persons) > 10) {
+			$result .= "-" . implode("\n-", array_slice($persons, 0, 10)) . "\n";
+			
+			if (count($persons) == 11) {
+				$result .= "\n" . $this->p->t('konto', 'confirm_overwrite_1_add_pers');
+			} else {
+				$result .= "\n" . $this->p->t('konto', 'confirm_overwrite_x_add_pers', [
+					'x' => count($persons) - 10
+				]);
+			}
+		} else {
+			$result .= "-" . implode("\n-", $persons) . "\n";
+		}
+		$result .= $this->p->t('konto', 'confirm_overwrite_proceed');
+
+		$this->addError($result, 'confirm');
+
+		$this->terminateWithSuccess(true);
+	}
+
+
+	/**
+	 * Save Buchung
+	 *
+	 * @return void
+	 */
+	public function insert()
+	{
+		$this->load->library('form_validation');
+
+		$person_ids = $this->input->post('person_id');
+
+		if (!$person_ids || !is_array($person_ids)) {
+			$person_ids = [$person_ids];
+			$this->form_validation->set_rules('person_id', 'Person ID', 'required');
+		}
+		$this->form_validation->set_rules('betrag', 'Betrag', 'numeric');
+		$this->form_validation->set_rules('buchungsdatum', 'Buchungsdatum', 'is_valid_date');
+		$this->form_validation->set_rules('buchungstext', 'Buchungstext', 'max_length[256]');
+		$this->form_validation->set_rules('mahnspanne', 'Mahnspanne', 'integer');
+		$this->form_validation->set_rules('buchungstyp_kurzbz', 'Buchungstyp', 'required|max_length[32]');
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required|max_length[16]');
+		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'required|has_permissions_for_stg[admin:rw,assistenz:rw]');
+		$this->form_validation->set_rules('credit_points', 'Credit Points', 'numeric');
+
+		Events::trigger('konto_insert_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$allowed = [
+			'betrag',
+			'buchungsdatum',
+			'buchungstext',
+			'mahnspanne',
+			'buchungstyp_kurzbz',
+			'studiensemester_kurzbz',
+			'studiengang_kz',
+			'credit_points',
+			'anmerkung'
+		];
+		$data = [
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		];
+		foreach ($allowed as $field)
+			if ($this->input->post($field) !== null)
+				$data[$field] = $this->input->post($field);
+
+		if (defined('FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE') && isset(unserialize(FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE)[$data['buchungstyp_kurzbz']])) {
+			$data['kostenstelle'] = unserialize(FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE)[$data['buchungstyp_kurzbz']];
+		}
+
+		$result = [];
+		foreach ($person_ids as $person_id) {
+			$id = $this->KontoModel->insert(array_merge($data, ['person_id' => $person_id]));
+			if (isError($id)) {
+				$this->addError(getError($id), self::ERROR_TYPE_DB);
+			} else {
+				$kontodata = $this->KontoModel->withAdditionalInfo()->load(getData($id));
+				if (isError($kontodata))
+					$this->addError(getError($kontodata), self::ERROR_TYPE_DB);
+				else
+					$result[] = current(getData($kontodata));
+			}
+		}
+
+		if ($result)
+			$this->terminateWithSuccess($result);
+
+		$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
+	}
+
+	/**
+	 * Save Counter Buchung
+	 *
+	 * @return void
+	 */
+	public function counter()
+	{
+		$this->load->library('form_validation');
+
+		$buchungsnrs = $this->input->post('buchungsnr');
+
+		if (!$buchungsnrs || !is_array($buchungsnrs)) {
+			$buchungsnrs = $buchungsnrs ? [$buchungsnrs] : [];
+			$this->form_validation->set_rules('buchungsnr', 'Buchungsnr', 'required');
+		}
+		$this->form_validation->set_rules('buchungsdatum', 'Buchungsdatum', 'is_valid_date');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$data = [];
+		$rules = [];
+		foreach ($buchungsnrs as $k => $buchungsnr) {
+			$result = $this->KontoModel->load($buchungsnr);
+			if (isError($result)) {
+				$rules[] = [
+					'field' => 'buchung[' . $k . ']',
+					'label' => 'Buchung #' . $buchungsnr,
+					'rules' => 'required',
+					'errors' => [
+						'required' => getError($result)
+					]
+				];
+			} elseif (!hasData($result)) {
+				$rules[] = [
+					'field' => 'buchung[' . $k . ']',
+					'label' => 'Buchung #' . $buchungsnr,
+					'rules' => 'required'
+				];
+			} else {
+				$data[$k] = get_object_vars(current(getData($result)));
+				$rules[] = [
+					'field' => 'buchung[' . $k . '][buchungsnr]',
+					'label' => 'Buchung # ' . $buchungsnr,
+					'rules' => 'required|numeric'
+				];
+				$rules[] = [
+					'field' => 'buchung[' . $k . '][studiengang_kz]',
+					'label' => 'Buchung # ' . $buchungsnr,
+					'rules' => 'required|has_permissions_for_stg[admin:rw,assistenz:rw]'
+				];
+				$rules[] = [
+					'field' => 'buchung[' . $k . '][buchungsnr_verweis]',
+					'label' => 'Buchung # ' . $buchungsnr,
+					'rules' => 'regex_match[/^$/]',
+					'errors' => [
+						'regex_match' => $this->p->t('konto', 'error_counter_level')
+					]
+				];
+			}
+		}
+		
+		$this->form_validation->reset_validation();
+		$this->form_validation->set_data(['buchung' => $data]);
+		$this->form_validation->set_rules($rules);
+		
+		Events::trigger('konto_counter_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$buchungsdatum = $this->input->post('buchungsdatum');
+
+		$newItems = [];
+		foreach ($data as $buchung) {
+			$result = $this->KontoModel->getDifferenz($buchung['buchungsnr']);
+			if (isError($result)) {
+				$this->addError(getError($result), self::ERROR_TYPE_GENERAL);
+				continue;
+			}
+			$betrag = $result->retval;
+			if ($betrag === null) {
+				$this->addError($this->p->t(
+					'konto',
+					'error_missing',
+					$buchung
+				), self::ERROR_TYPE_GENERAL);
+				continue;
+			}
+
+			
+			$result = $this->KontoModel->insert([
+				'person_id' => $buchung['person_id'],
+				'studiengang_kz' => $buchung['studiengang_kz'],
+				'studiensemester_kurzbz' => $buchung['studiensemester_kurzbz'],
+				'buchungstext' => $buchung['buchungstext'],
+				'buchungstyp_kurzbz' => $buchung['buchungstyp_kurzbz'],
+				'credit_points' => $buchung['credit_points'],
+				'zahlungsreferenz' => $buchung['zahlungsreferenz'],
+				'betrag' => number_format($betrag, 2, '.', ''),
+				'buchungsdatum' => $buchungsdatum,
+				'mahnspanne' => '0',
+				'buchungsnr_verweis' => $buchung['buchungsnr'],
+				'insertamum' => date('c'),
+				'insertvon' => getAuthUID(),
+				'anmerkung' => ''
+			]);
+			if (isError($result)) {
+				$this->addError(getError($result), self::ERROR_TYPE_GENERAL);
+				continue;
+			}
+
+			$newItems = null;
+			// TODO(chris): get as tree?
+			/*$result = $this->KontoModel->withAdditionalInfo()->load($result->retval);
+			if (!hasData($result))
+				$newItems = null;
+			elseif ($newItems !== null)
+				$newItems[] = current(getData($result));*/
+		}
+
+		$this->terminateWithSuccess($newItems);
+	}
+
+	/**
+	 * Save Buchung
+	 *
+	 * @return void
+	 */
+	public function update()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('buchungsnr', 'Buchungsnr', 'required');
+		$this->form_validation->set_rules('betrag', 'Betrag', 'numeric');
+		$this->form_validation->set_rules('buchungsdatum', 'Buchungsdatum', 'is_valid_date');
+		$this->form_validation->set_rules('buchungstext', 'Buchungstext', 'max_length[256]');
+		$this->form_validation->set_rules('mahnspanne', 'Mahnspanne', 'integer');
+		$this->form_validation->set_rules('buchungstyp_kurzbz', 'Buchungstyp', 'required|max_length[32]');
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required|max_length[16]');
+		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'required|has_permissions_for_stg[admin:rw,assistenz:rw]');
+		$this->form_validation->set_rules('credit_points', 'Credit Points', 'numeric');
+
+		Events::trigger('konto_update_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$id = $this->input->post('buchungsnr');
+		$allowed = [
+			'betrag',
+			'buchungsdatum',
+			'buchungstext',
+			'mahnspanne',
+			'buchungstyp_kurzbz',
+			'studiensemester_kurzbz',
+			'studiengang_kz',
+			'credit_points',
+			'anmerkung'
+		];
+		$data = [
+			'updateamum' => date('c'),
+			'updatevon' => getAuthUID()
+		];
+		foreach ($allowed as $field)
+			if ($this->input->post($field) !== null)
+				$data[$field] = $this->input->post($field);
+
+		$result = $this->KontoModel->update($id, $data);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$result = null;
+		// TODO(chris): get as tree?
+		/*$result = $this->KontoModel->withAdditionalInfo()->load($id);
+		
+		#$result = $this->getDataOrTerminateWithError($result);
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		$result = $result->retval;*/
+
+		$this->terminateWithSuccess($result);
+	}
+
+	/**
+	 * Delete Buchung
+	 *
+	 * @return void
+	 */
+	public function delete()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('buchungsnr', 'Buchungsnr', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$buchungsnr = $this->input->post('buchungsnr');
+
+		$result = $this->KontoModel->load($buchungsnr);
+
+		$result = $this->getDataOrTerminateWithError($result);
+
+		if (!$result)
+			$this->terminateWithError($this->p->t('konto', 'error_missing', [
+				'buchungsnr' => $buchungsnr
+			]));
+
+		$_POST['studiengang_kz'] = current($result)->studiengang_kz;
+
+		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'has_permissions_for_stg[admin:rw,assistenz:rw]');
+
+		Events::trigger('konto_delete_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		Events::trigger('konto_delete', $buchungsnr);
+		
+		$result = $this->KontoModel->delete($buchungsnr);
+		if (isError($result)) {
+			if (getCode($result) != 42)
+				$this->terminateWithError(getError($result));
+			$this->terminateWithError($this->p->t('konto', 'error_delete_level'));
+		}
+
+		$this->terminateWithSuccess();
+	}
+}

application/controllers/api/frontend/v1/stv/Lehrverband.php

@@ -0,0 +1,63 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+class Lehrverband extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'hasOrgforms' => ['admin:r', 'assistenz:r'],
+			'getTree' => ['admin:r', 'assistenz:r'],
+			'getSpecialgroups' => ['admin:r', 'assistenz:r']
+		]);
+	}
+
+	public function hasOrgforms($studiengang_kz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		
+		$result = $this->StudiengangModel->load($studiengang_kz);
+		
+		$data = $this->getDataOrTerminateWithError($result);
+		if ($data) {
+			$data = current($data)->mischform;
+		}
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getTree($studiengang_kz)
+	{
+		$this->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+
+		$result = $this->LehrverbandModel->loadWhere([
+			'studiengang_kz' => $studiengang_kz,
+			'aktiv' => true
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getSpecialgroups($studiengang_kz)
+	{
+		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
+
+		$where = [
+			'studiengang_kz' => $studiengang_kz,
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false
+		];
+
+		$result = $this->GruppeModel->loadWhere($where);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/Lists.php

@@ -0,0 +1,147 @@
+<?php
+/**
+ * Copyright (C) 2024 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about generally used lists
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Lists extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getStudiensemester' => self::PERM_LOGGED,
+			'getStgs' => self::PERM_LOGGED,
+			'getSprachen' => self::PERM_LOGGED,
+			'getGeschlechter' => self::PERM_LOGGED,
+			'getAusbildungen' => self::PERM_LOGGED,
+			'getOrgforms' => self::PERM_LOGGED,
+			'getStati' => self::PERM_LOGGED
+		]);
+	}
+
+	public function getStudiensemester()
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->StudiensemesterModel->addOrder('ende');
+
+		$result = $this->StudiensemesterModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStgs()
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->StudiengangModel->addSelect('*');
+		$this->StudiengangModel->addSelect('UPPER(typ || kurzbz) AS kuerzel');
+
+		$this->StudiengangModel->addOrder('typ');
+		$this->StudiengangModel->addOrder('kurzbz');
+
+		$result = $this->StudiengangModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getSprachen()
+	{
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+
+		$this->SpracheModel->addOrder('sprache');
+
+		$result = $this->SpracheModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getGeschlechter()
+	{
+		$this->load->model('person/Geschlecht_model', 'GeschlechtModel');
+
+		$this->GeschlechtModel->addOrder('sort');
+		$this->GeschlechtModel->addOrder('geschlecht');
+
+		$this->GeschlechtModel->addSelect('*');
+		#$this->GeschlechtModel->addTranslatedSelect("bezeichnung_mehrsprachig", "bezeichnung");
+		$this->GeschlechtModel->addSelect("bezeichnung_mehrsprachig[(SELECT index FROM public.tbl_sprache WHERE sprache=" . $this->GeschlechtModel->escape(DEFAULT_LANGUAGE) . " LIMIT 1)] AS bezeichnung");
+
+		$result = $this->GeschlechtModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getAusbildungen()
+	{
+		$this->load->model('codex/Ausbildung_model', 'AusbildungModel');
+
+		$this->AusbildungModel->addOrder('ausbildungcode');
+
+		$result = $this->AusbildungModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getOrgforms()
+	{
+		$this->load->model('codex/Orgform_model', 'OrgformModel');
+
+		$this->OrgformModel->addOrder('bezeichnung');
+
+		$result = $this->OrgformModel->loadWhere(['rolle' => true]);
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getStati()
+	{
+		$lang = getUserLanguage();
+		$this->load->model('crm/Status_model', 'StatusModel');
+
+		$this->StatusModel->addSelect('*');
+		#$this->StatusModel->addTranslatedSelect('bezeichnung_mehrsprachig', 'bezeichnung');
+		$this->StatusModel->addSelect(
+			'bezeichnung_mehrsprachig[(
+				SELECT index
+				FROM public.tbl_sprache
+				WHERE sprache=' . $this->StatusModel->escape($lang) . '
+				LIMIT 1
+			)] AS bezeichnung',
+			false
+		);
+		#$this->StatusModel->addOrder('ext_id');
+
+		$result = $this->StatusModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		
+		$this->terminateWithSuccess($data);
+	}
+}

application/controllers/api/frontend/v1/stv/LvTermine.php

@@ -0,0 +1,408 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class LvTermine extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getStundenplan' => ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+		]);
+
+		// Load models
+		$this->load->model('ressource/Stundenplan_model', 'StundenplanModel');
+
+		//query verwenden wie im Cis endpoint
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
+		$this->load->model('person/Benutzergruppe_model', 'BenutzergruppeModel');
+	}
+
+	//TODO Build own lib or combine with Controller Stundenplan.php
+	//here use of logic of Stundenplan.php, extended with parameters uid, grouping, and used dbTable
+	public function getStundenplan($uid, $start_date = null, $end_date = null, $groupConsecutiveHours = false, $dbStundenplanTable = "stundenplan")
+	{
+		$student_uid = $uid;
+		$semester_range = $this->studienSemesterErmitteln($start_date, $end_date);
+
+		$this->sortStudienSemester($semester_range);
+		$this->applyLoadUeberSemesterHaelfte($semester_range);
+
+		$benutzer_gruppen = $this->fetchBenutzerGruppenFromStudiensemester($semester_range, $student_uid);
+		$student_lehrverband = $this->fetchStudentlehrverbandFromStudiensemester($semester_range, $student_uid);
+
+		if(!$groupConsecutiveHours)
+			$stundenplan_query = $this->StundenplanModel->getStundenplanQuery(
+				$start_date,
+				$end_date,
+				$semester_range,
+				$benutzer_gruppen,
+				$student_lehrverband
+			);
+		else
+			$stundenplan_query = $this->StundenplanModel->getStundenplanQuery(
+				$start_date,
+				$end_date,
+				$semester_range,
+				$benutzer_gruppen,
+				$student_lehrverband,
+				true,
+				$dbStundenplanTable
+			);
+
+		if(!$stundenplan_query)
+		{
+			$this->terminateWithSuccess([]);
+		}
+
+		if($groupConsecutiveHours)
+		{
+			$stundenplan_data = $this->StundenplanModel->stundenplanGruppierungConsecutive($stundenplan_query);
+		}
+		else
+		{
+			$stundenplan_data = $this->StundenplanModel->stundenplanGruppierung($stundenplan_query);
+		}
+
+		$stundenplan_data = $this->getDataOrTerminateWithError($stundenplan_data) ?? [];
+		$this->terminateWithSuccess($stundenplan_data);
+
+		$this->expand_object_information($stundenplan_data);
+
+		$this->returnObj['$stundenplan_query'] = $stundenplan_query;
+		$this->returnObj['$student_lehrverband'] = $student_lehrverband;
+		$this->returnObj['$benutzer_gruppen'] = $benutzer_gruppen;
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getStudiensemester()
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->StudiensemesterModel->addOrder('studienjahr_kurzbz', 'DESC');
+		$result = $this->StudiensemesterModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+		$this->terminateWithSuccess($data);
+	}
+
+	//copied from Stundenplan.php
+	private function studienSemesterErmitteln($start_date, $end_date)
+	{
+		// gets all studiensemester from the student from start_date to end_date
+		$semester_range = $this->StudiensemesterModel->getByDateRange($start_date, $end_date);
+		$semester_range = array_map(
+			function ($sem) {
+				return $sem->studiensemester_kurzbz;
+			},
+			$this->getDataOrTerminateWithError($semester_range)
+		);
+
+		// if no studiensemester is found for the given timespan, get the nearest studiensemester
+		if(count($semester_range) == 0)
+		{
+			$aktuelle_studiensemester = $this->StudiensemesterModel->getNearest();
+			$aktuelle_studiensemester = $this->getDataOrTerminateWithError($aktuelle_studiensemester);
+			if (count($aktuelle_studiensemester) == 0) {
+				$this->terminateWithError("No aktuelles semester");
+			}
+			$aktuelle_studiensemester = current($aktuelle_studiensemester)->studiensemester_kurzbz;
+			// push aktuelles semester in active semester array
+			array_push($semester_range, $aktuelle_studiensemester);
+		}
+		return $semester_range;
+	}
+
+	//copied from Stundenplan.php
+	private function sortStudienSemester(&$semester_range)
+	{
+		usort(
+			$semester_range,
+			function ($first, $second) {
+				$sem_first = null;
+				$year_first = null;
+				$match_first = null;
+
+				$sem_second = null;
+				$year_second = null;
+				$match_second = null;
+
+				preg_match('/([WS]+)([0-9]+)/', $first, $match_first);
+				preg_match('/([WS]+)([0-9]+)/', $second, $match_second);
+
+				$sem_first = $match_first[1];
+				$year_first = intval($match_first[2]);
+
+				$sem_second = $match_second[1];
+				$year_second = intval($match_second[2]);
+
+				if($year_first < $year_second)
+				{
+					return -1;
+				}
+				elseif($year_first > $year_second)
+				{
+					return 1;
+				}
+				elseif($year_first == $year_second && $sem_first > $sem_second)
+				{
+					return 1;
+				}
+				elseif($year_first == $year_second && $sem_first < $sem_second)
+				{
+					return -1;
+				}
+				return 0;
+			}
+		);
+	}
+
+	//copied from Stundenplan.php
+	private function applyLoadUeberSemesterHaelfte(&$semester_range)
+	{
+		/*
+		@var($semester_collection)
+		convert the array of studiensemester into an associative array with the studiensemester as the key
+		and the values of each key are the studiensemester needed for the query associated to that studiensemester
+		example:
+
+		#INPUT:
+		['WS2023','SS2024','WS2024']
+		#OUTPUT:
+		[
+			'WS2023' => ['SS2023','WS2023']
+			'SS2024' => ['WS2023','SS2024']
+			'WS2024' => ['SS2024','WS2024']
+		]
+		*/
+		$semester_collection = [];
+		foreach($semester_range as $studiensemester)
+		{
+			$previous_studiensemester = $this->StudiensemesterModel->getPreviousFrom($studiensemester);
+			$previous_studiensemester = $this->getDataOrTerminateWithError($previous_studiensemester);
+			if (count($previous_studiensemester) == 0) {
+				$this->terminateWithError("No previous semester");
+			}
+			$previous_studiensemester = current($previous_studiensemester)->studiensemester_kurzbz;
+			$semester_collection[$studiensemester] = [$previous_studiensemester, $studiensemester];
+		}
+
+		/*
+		@var($studienSemesterDateRanges)
+		fetches for each studiensemester the start and end date, (SS) summer studiensemester are extended by 1 month to cover the summerbreak
+		based on the LVPLAN_LOAD_UEBER_SEMESTERHAELFTE constant it will load both the semester and the previous semester with the full date range
+		or the semester with the full date range and the previous semester with the half date range:
+
+		#INPUT:
+		[
+			'WS2023' => ['SS2023','WS2023']
+			'SS2024' => ['WS2023','SS2024']
+			'WS2024' => ['SS2024','WS2024']
+		]
+		#OUTPUT: depends whether LVPLAN_LOAD_UEBER_SEMESTERHAELFTE is true or false
+		~ if LVPLAN_LOAD_UEBER_SEMESTERHAELFTE == true
+		[
+			"SS2024": [
+				"WS2023": [
+					"start"=> "2024-02-03",
+					"ende"=> "2024-08-31"
+				],
+				"SS2024": [
+					"start"=> "2024-02-03",
+					"ende"=> "2024-08-31"
+				]
+			]
+		]
+		~ if LVPLAN_LOAD_UEBER_SEMESTERHAELFTE == false
+		[
+			"SS2024": [
+				"WS2023": [
+					"start"=> "2024-02-03",
+					"ende"=> "2024-05-17"
+				],
+				"SS2024": [
+					"start"=> "2024-02-03",
+					"ende"=> "2024-08-31"
+				]
+			]
+		]
+		*/
+		$studienSemesterDateRanges=[];
+		foreach($semester_collection as $semester_original => $semester_adjoint)
+		{
+			$semester_start_ende = $this->StudiensemesterModel->getStartEndeFromStudiensemester($semester_original);
+			$semester_start_ende = current($this->getDataOrTerminateWithError($semester_start_ende));
+
+			// initialize empty arrays to add key value pairs
+			$studienSemesterDateRanges[$semester_original] = [];
+
+			// check if the studiensemester is a summer semester and add 1 month to bridge the school summer break
+			$match = null;
+			preg_match("/^(SS)([0-9]+)/", $semester_original, $match);
+			if(count($match) >0)
+			{
+				$one_month = new DateInterval('P1M');
+				$one_day = DateInterval::createFromDateString('1 days');
+				$summer_studiensemester_end_date = DateTime::createFromFormat('Y-m-d', $semester_start_ende->ende);
+				$summer_studiensemester_end_date->add($one_month);
+				$summer_studiensemester_end_date->sub($one_day);
+				$semester_start_ende->ende = date_format($summer_studiensemester_end_date, 'Y-m-d');
+			}
+			if (defined('LVPLAN_LOAD_UEBER_SEMESTERHAELFTE') && LVPLAN_LOAD_UEBER_SEMESTERHAELFTE === true)
+			{
+				foreach($semester_adjoint as $adjoint)
+				{
+					$studienSemesterDateRanges[$semester_original][$adjoint]=$semester_start_ende;
+				}
+			}
+			else
+			{
+				//TODO: half of a DateInterval might not be correctly calculated
+				// calculate the half of the studiensemester
+				$studiensemester_start_date = DateTime::createFromFormat('Y-m-d', $semester_start_ende->start);
+				$studiensemester_end_date = DateTime::createFromFormat('Y-m-d', $semester_start_ende->ende);
+				$studiensemester_time_difference = $studiensemester_start_date->diff($studiensemester_end_date);
+				$half_dateNumber = ceil($studiensemester_time_difference->d/2)+ceil(($studiensemester_time_difference->m*30)/2);
+				$half_dateInterval = new DateInterval('P'.strval($half_dateNumber) .'D');
+				$studiensemester_half = date_format($studiensemester_start_date->add($half_dateInterval), 'Y-m-d');
+
+				$first_half = new stdClass();
+				$first_half->start = $semester_start_ende->start;
+				$first_half->ende = $studiensemester_half;
+
+				$studienSemesterDateRanges[$semester_original][$semester_adjoint[0]] = $first_half;
+				$studienSemesterDateRanges[$semester_original][$semester_adjoint[1]] = $semester_start_ende;
+			}
+			$semester_range = $studienSemesterDateRanges;
+		}
+	}
+
+	//copied from Stundenplan.php, extended with $student_uid
+	private function fetchBenutzerGruppenFromStudiensemester($semester_range, $student_uid)
+	{
+		//$student_uid = getAuthUID();
+		$benutzer_gruppen = [];
+		// for each studiensemester fetch the benutzer gruppen and add them to an associate $bentuzer_gruppen array
+		/*
+		[
+			['WS2023'] => [['gruppe1_SS2023','gruppe2_SS2023'],['gruppe1_WS2023','gruppe2_WS2023']],
+			['SS2024'] => [['gruppe1_WS2023','gruppe2_WS2023'],['gruppe1_SS2024','gruppe2_SS2024']],
+			['WS2024'] => [['gruppe1_SS2024','gruppe2_SS2024'],['gruppe1_WS2024','gruppe2_WS2024']],
+		]
+		*/
+		foreach($semester_range as $semester_key => $semester_array)
+		{
+			$benutzer_gruppen[$semester_key] = [];
+			// each semester could have ajoint semesters that need to be checked
+			foreach($semester_array as $semester => $semester_date_range)
+			{
+				// for each active semester query the benutzer_gruppen associated to the semester
+				$benutzer_query = $this->BenutzergruppeModel->execReadOnlyQuery("
+				SELECT * FROM tbl_benutzergruppe where uid = ? AND studiensemester_kurzbz = ?", [$student_uid, $semester]);
+				$benutzer_query_result = $this->getDataOrTerminateWithError($benutzer_query);
+				array_push(
+					$benutzer_gruppen[$semester_key],
+					array_map(
+						function ($item) {
+							return "'".$item->gruppe_kurzbz. "'";
+						},
+						$benutzer_query_result
+					)
+				);
+			}
+		}
+
+		// merge the gruppen of each studiensemester together for the original studiensemester
+		/*
+		[
+			['WS2023'] => ['gruppe1_SS2023','gruppe2_SS2023','gruppe1_WS2023','gruppe2_WS2023'],
+			['SS2024'] => ['gruppe1_WS2023','gruppe2_WS2023','gruppe1_SS2024','gruppe2_SS2024'],
+			['WS2024'] => ['gruppe1_SS2024','gruppe2_SS2024','gruppe1_WS2024','gruppe2_WS2024'],
+		]
+		*/
+		$benutzer_gruppen = array_map(
+			function ($gruppe) {
+				$merged_gruppe = [];
+				foreach($gruppe as $gruppen_array)
+				{
+					$merged_gruppe = array_merge($merged_gruppe, $gruppen_array);
+				}
+				return $merged_gruppe;
+			},
+			$benutzer_gruppen
+		);
+
+		return $benutzer_gruppen;
+	}
+
+	//copied from Stundenplan.php, extended with $student_uid
+	private function fetchStudentlehrverbandFromStudiensemester($semester_range, $student_uid)
+	{
+		//$student_uid = getAuthUID();
+		$student_lehrverband = [];
+		// for each studiensemester fetch the studentlehrverbaende and add them to an associate $student_lehrverband array
+		/*
+		[
+			['WS2023'] => [ [ ['stg_kz'=>298,'semester'=>1,'verband'=>"A",'gruppe'=>""] ] ],
+			['SS2024'] => [ [ ['stg_kz'=>298,'semester'=>1,'verband'=>"A",'gruppe'=>""] ], [ ['stg_kz'=>298,'semester'=>2,'verband'=>"A",'gruppe'=>""] ] ],
+			['WS2024'] => [ [ ['stg_kz'=>298,'semester'=>2,'verband'=>"A",'gruppe'=>""] ], [ ['stg_kz'=>298,'semester'=>3,'verband'=>"A",'gruppe'=>""] ] ],
+		]
+		*/
+		foreach($semester_range as $semester_key => $semester_array)
+		{
+			$student_lehrverband[$semester_key] = [];
+			foreach($semester_array as $semester => $semester_date_range)
+			{
+				// for each active semester query the student_lehrverband associated to the semester
+				$lehrverband_query = $this->BenutzergruppeModel->execReadOnlyQuery("
+				SELECT * FROM tbl_studentlehrverband where student_uid = ? AND studiensemester_kurzbz = ?", [$student_uid, $semester]);
+				$lehrverband_query_result = $this->getDataOrTerminateWithError($lehrverband_query);
+				array_push($student_lehrverband[$semester_key], array_map(
+					function ($item) {
+						$result = new stdClass();
+						$result->studiengang_kz = $item->studiengang_kz;
+						$result->semester = $item->semester;
+						$result->verband = $item->verband;
+						$result->gruppe = $item->gruppe;
+						return $result;
+					},
+					$lehrverband_query_result));
+			}
+		}
+
+		// merge the studentlehrverband of each studiensemester together for the original studiensemester
+		/*
+		[
+			['WS2023'] => [ ['stg_kz'=>298,'semester'=>1,'verband'=>"A",'gruppe'=>""] ],
+			['SS2024'] => [ ['stg_kz'=>298,'semester'=>1,'verband'=>"A",'gruppe'=>""], ['stg_kz'=>298,'semester'=>2,'verband'=>"A",'gruppe'=>""] ],
+			['WS2024'] => [ ['stg_kz'=>298,'semester'=>2,'verband'=>"A",'gruppe'=>""], ['stg_kz'=>298,'semester'=>3,'verband'=>"A",'gruppe'=>""] ],
+		]
+		*/
+		$student_lehrverband = array_map(
+			function ($studentlehrverband) {
+				$merged_studentlehrverband = [];
+				foreach($studentlehrverband as $studentlehrverband_array)
+				{
+					$merged_studentlehrverband = array_merge($merged_studentlehrverband, $studentlehrverband_array);
+				}
+				return $merged_studentlehrverband;
+			},
+			$student_lehrverband
+		);
+
+		return $student_lehrverband;
+	}
+}