Reverted to original eventLoader

- added raumvorschlag slots

.gitignore

@@ -1,5 +1,6 @@
 documents/
 vendor/
+public/vendor
 
 /nbproject/
 .vscode

application/config/Events.php

@@ -33,5 +33,27 @@ Events::on('loadRenderers', function ($renderers) {
 	);
 });
 
+//Tempus Renderers:
+Events::on('loadTempusRenderers', function ($renderers) {
+	$fhc_core_renderers =& $renderers();
+	$fhc_core_renderers["reservierung"] = array(
+		'calendarEvent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/calendarEvent.js'),
+		'modalTitle' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/modalTitle.js'),
+		'modalContent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Reservierungen/modalContent.js'),
+		'calendarEventStyles' => APP_ROOT . 'public/css/Cis4/CoreCalendarEvents.css'
+	);
+});
+
+Events::on('loadTempusRenderers', function ($renderers) {
+	$fhc_core_renderers =& $renderers();
+	$fhc_core_renderers["lehreinheit"] = array(
+		'calendarEvent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/calendarEvent.js'),
+		'modalTitle' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/modalTitle.js'),
+		'modalContent' => absoluteJsImportUrl('public/js/components/Tempus/Renderer/Lehreinheit/modalContent.js'),
+		'calendarEventStyles' => APP_ROOT . 'public/css/Cis4/CoreCalendarEvents.css'
+	);
+});
+
+
 
 

application/config/lvverwaltung.php

@@ -8,4 +8,15 @@ $config['lvverwaltung_tags'] = [
 ];
 */
 
-$config['lvverwaltung_tags'] = [];
+$config['lvverwaltung_tags'] = [];
+
+# Additional columns:
+/*
+$config["list_columns"] = [
+	'fieldname' => [
+		'js' => 'path/to/snippet.js', // tabulator config snippet (eg: return { name: 'Name', field: 'fieldname' }; )
+		// NOTE: 'default' & 'joins' like in stv.php config are currently not available here
+	]
+];
+*/
+

application/config/navigation.php

@@ -170,6 +170,13 @@ $config['navigation_header'] = array(
 					'expand' => true,
 					'sort' => 51,
 					'requiredPermissions' => 'vertrag/mitarbeiter:r'
+				),
+				'studierendenverwaltung' => array(
+					'link' => site_url('studentenverwaltung'),
+					'description' => 'Studierendenverwaltung',
+					'expand' => true,
+					'sort' => 52,
+					'requiredPermissions' => ['admin:r', 'assistenz:r']
 				)
 			)
 		),
@@ -378,7 +385,7 @@ $config['navigation_menu']['apps'] = [
 	],
 	'lav' => [
 		'link' => site_url('lehre/lehrauftrag/Lehrauftrag/Dashboard'),
-		'description' => 'Lehraufträge',
+		'description' => 'Lehrauftragsverwaltung',
 		#'icon' => 'person-chalkboard',
 		'requiredPermissions' => array('lehre/lehrauftrag_bestellen:r', 'lehre/lehrauftrag_erteilen:r')
 	]

application/config/routes.php

@@ -75,56 +75,73 @@ $route['Abgabetool/Student'] = 'Cis/Abgabetool/Student';
 $route['Abgabetool/Student/(:any)'] = 'Cis/Abgabetool/Student/$1';
 $route['Abgabetool/Deadlines'] = 'Cis/Abgabetool/Deadlines';
 
+// Studierendenverwaltung App Routes
+$route['studvw'] = 'studentenverwaltung/index';
+$route['studvw/.*'] = 'studentenverwaltung/index';
+// Old routes
+$route['studentenverwaltung'] = 'redirect/301/studvw';
+$route['studentenverwaltung/(:any)'] = 'redirect/301/studvw/stdsem/$1';
+$route['studentenverwaltung/(:any)/(prestudent|student|person|search)/(:any)'] = 'redirect/301/studvw/stdsem/$1/$2/$3';
+$route['studentenverwaltung/(:any)/prestudent/(:any)/tab/:any'] = 'redirect/301/studvw/stdsem/$1/prestudent/$2';
+$route['studentenverwaltung/(:any)/search/(:any)/(:any)'] = 'redirect/301/studvw/stdsem/$1/search/$2/$3';
+$route['studentenverwaltung/(:any)/(:any)'] = 'redirect/301/studvw/stdsem/$1/stg/$2';
+
 // Studierendenverwaltung List Routes
-$route['api/frontend/v1/stv/[sS]tudents/inout'] = 'api/frontend/v1/stv/Students/index';
-$route['api/frontend/v1/stv/[sS]tudents/([WS]S[0-9]{4})'] = 'api/frontend/v1/stv/Students/index';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/inout/1/incoming/1'] = 'api/frontend/v1/stv/students/getIncoming/$1';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/inout/1/outgoing/1'] = 'api/frontend/v1/stv/students/getOutgoing/$1';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/inout/1/shared_studies/1'] = 'api/frontend/v1/stv/students/getGemeinsamestudien/$1';
 
-// (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/$1';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/prestudent/1/stdsem/(:any)/:any/1/:any/1/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudents/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/prestudent/1/stdsem/(:any)/:any/1/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudents/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/prestudent/1/stdsem/(:any)/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudents/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/prestudent/1/stdsem/(:any)'] = 'api/frontend/v1/stv/students/getPrestudents/$1/$2';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/prestudent/1'] = 'api/frontend/v1/stv/students/getPrestudents/$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/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/orgform/(:any)/prestudent/1/stdsem/(:any)/:any/1/:any/1/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/orgform/(:any)/prestudent/1/stdsem/(:any)/:any/1/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/orgform/(:any)/prestudent/1/stdsem/(:any)/(:any)/1'] = 'api/frontend/v1/stv/students/getPrestudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/orgform/(:any)/prestudent/1/stdsem/(:any)'] = 'api/frontend/v1/stv/students/getPrestudentsOrgform/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/stv/stdsem/:any/stg/(:any)/orgform/(:any)/prestudent/1'] = 'api/frontend/v1/stv/students/getPrestudentsOrgform/$1/$2';
 
-// (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/$5';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/semester/(:any)/verband/(:any)/group/(:any)'] = 'api/frontend/v1/stv/students/getStudents/$1/$2/$3/$4/$5';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/semester/(:any)/verband/(:any)'] = 'api/frontend/v1/stv/students/getStudents/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/semester/(:any)'] = 'api/frontend/v1/stv/students/getStudents/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)'] = 'api/frontend/v1/stv/students/getStudents/$1/$2';
 
-// (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/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)/verband/(:any)/group/(:any)'] = 'api/frontend/v1/stv/students/getStudentsOrgform/$1/$2/$3/$4/$5/$6';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)/verband/(:any)'] = 'api/frontend/v1/stv/students/getStudentsOrgform/$1/$2/$3/$4/$5';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)'] = 'api/frontend/v1/stv/students/getStudentsOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/orgform/(:any)'] = 'api/frontend/v1/stv/students/getStudentsOrgform/$1/$2/$3';
 
-// (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/$5';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/semester/(:any)/group/(:any)'] = 'api/frontend/v1/stv/students/getStudentsSpezialgruppe/$1/$2/$3/$4';
 
-// (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/$5';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)/group/(:any)'] = 'api/frontend/v1/stv/students/getStudentsOrgformSpezialgruppe/$1/$3/$2/$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/$6';
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/prestudent/(:any)'] = 'api/frontend/v1/stv/students/getPrestudent/$1/$2';
+
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/student/(:any)'] = 'api/frontend/v1/stv/students/getStudent/$1/$2';
+
+$route['api/frontend/v1/treemenudata/stv/stdsem/(:any)/person/(:any)'] = 'api/frontend/v1/stv/students/getPerson/$1/$2';
+
+$route['api/frontend/v1/treemenudata/stv/.*'] = 'api/frontend/v1/stv/students/index';
+
+// Lvverwaltung List Routes
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/semester/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/semester/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
+
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)/stg/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)/stg/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2/$3';
 
-// // (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'];
 
+$route['api/frontend/v1/tempus/Tags/getTagsByCalendar/(:num)'] = 'api/frontend/v1/tempus/Tags/getTagsByCalendar/$1';
+
 foreach($subdirs as $subdir)
 {
 	if(is_dir($subdir))

application/config/studierendenantrag.php

@@ -197,3 +197,11 @@ $config['unterbrechung_enabled'] = true;
  */
 $config['wiederholung_enabled'] = true;
 
+/**
+ * Modal with Infotext of TLC
+ * if true, there will be shown an info modal in the studentsView after the first button ABMELDUNG
+ *
+ * @var boolean
+ */
+$config['showInfoModalAbmeldung'] = true;
+

application/config/stv.php

@@ -1,6 +1,27 @@
 <?php
 
 $config['number_displayed_past_studiensemester_default'] = 5;
+
+# Additional columns:
+/*
+$config["list_columns"] = [
+	'fieldname' => [
+		'js' => 'path/to/snippet.js', // tabulator config snippet (eg: return { name: 'Name', field: 'fieldname' }; )
+		'default' => "SQL SELECT statement for value",
+		'joins' => [
+			// additional joins needed for the SELECT statement above
+			[
+				'tablename',
+				'join condition', // single fieldname for USING or full condition for ON
+				'LEFT|RIGHT', // optional - join type
+				'after_xxx|before_xxx|end' // optional - position in query
+			]
+			// ...
+		]
+	]
+];
+*/
+
 $config['tabs'] =
 	[
 		'details' => [
@@ -60,7 +81,13 @@ $config['tabs'] =
 		],
 		'notes' => [
 			//if true, the count of Messages will be shown in the header of the Tab Messages
-			'showCountNotes' => true
+			'showCountNotes' => true,
+
+			//if true: section with following fields will be displayed: 'verfasser', 'bearbeiter', 'von', 'bis' and 'erledigt'
+			'showErweitert' => false,
+
+			//notizlayout: choose of "classicFas", "twoColumnsFormLeft", twoColumnsFormRight, popupModal"
+			'notizLayout' => 'popupModal'
 		],
 		'combinePeople' => [
 			//multitab should only be shown with this length of selection
@@ -133,13 +160,25 @@ $config['students_tab_order'] = [
 
 $config['stv_prestudent_tags'] = [
 	'prioone' => ['readonly' => false],
-	'priotwo' => ['readonly' => true],
+	'priotwo' => ['readonly' => false],
 	'hinweis' => ['readonly' => false],
-	'hinweis_assistenz' => ['readonly' => true],
-	'hinweis_kf' => ['readonly' => true],
+	'hinweis_assistenz' => ['readonly' => false],
+	'hinweis_kf' => ['readonly' => false],
 	'hinweis_lehrende' => ['readonly' => false],
-	'hinweis_stg_kf' => ['readonly' => true],
-	'finished_stg' => ['readonly' => true],
-	'finished_kf' => ['readonly' => true],
-	'inwork_kf' => ['readonly' => true],
+	'hinweis_stg_kf' => ['readonly' => false],
+	'finished_stg' => ['readonly' => false],
+	'finished_kf' => ['readonly' => false],
+	'inwork_kf' => ['readonly' => false],
+	'dd_auto' => ['readonly' => true],
+	'wh_auto' => ['readonly' => true],
+	'prewh_auto' => ['readonly' => true],
+	'out_auto' => ['readonly' => true],
+	'zgv_auto' => ['readonly' => true],
+	'unterbrecher_auto' => ['readonly' => true],
+	'stbtr_erh_auto' => ['readonly' => true],
+	'jgv_auto' => ['readonly' => true],
+	'in_auto' => ['readonly' => true],
+	'preabbr_auto' => ['readonly' => true],
 ];
+
+$config['userAutomatedTags'] = 'sftest';

application/config/tempus.php

@@ -0,0 +1,12 @@
+<?php
+
+$config['send_update_mails'] = false;
+$config['calendar_start'] = 7;
+$config['calendar_end'] = 23;
+
+
+$config['tempus_tags'] = [
+	'prioone' => ['readonly' => false],
+	'priotwo' => ['readonly' => true],
+	'hinweis' => ['readonly' => false],
+];

application/config/treemenu.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+$config['stv'] = [
+	"library" => "treemenu/StudVwLib",
+	"permissions" => ["admin:r", "assistenz:r"]
+];
+$config['lvv'] = [
+	"library" => "treemenu/LvVwLib",
+	"permissions" => ["admin:r", "assistenz:r"]
+];
+
+$config['tempus'] = [
+	"library" => "treemenu/TempusLib",
+	"permissions" => ["admin:r", "assistenz:r", "lehre/lvplan:r"]
+];

application/config/treemenu/custom/lvvw.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+$config['root'] = [
+	'stg' => [
+		'semester' => [
+			'group',
+			'verband' => [
+				'group'
+			]
+		],
+		'orgform'
+	]
+];

application/config/treemenu/custom/tempus.php

@@ -0,0 +1,32 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+$config['root'] = [
+	'stg' => [
+		'semester' => [
+			'group',
+			'verband' => [
+				'group'
+			]
+		],
+		'orgform'
+	]
+];

application/config/treemenu/stg_base.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+$config['root'] = [
+	'stg' => [
+		'prestudent' => [
+			'stdsem' => [
+				'interessenten' => [
+					'bewerbungnichtabgeschickt',
+					'bewerbungabgeschickt',
+					'zgv',
+					'statusbestaetigt' => [
+						'statusbestaetigtrtnichtangemeldet',
+						'statusbestaetigtrtangemeldet'
+					],
+					'reihungstestnichtangemeldet',
+					'reihungstestangemeldet'
+				],
+				'bewerber' => [
+					'bewerberrtnichtangemeldet',
+					'bewerberrtangemeldet' => [
+						'bewerberrtangemeldetteilgenommen',
+						'bewerberrtangemeldetnichtteilgenommen'
+					]
+				],
+				'aufgenommen',
+				'warteliste',
+				'absage',
+				'incoming'
+			]
+		],
+		'semester' => [
+			'group',
+			'verband' => [
+				'group'
+			]
+		]
+	],
+	'inout' => [
+		'incoming',
+		'outgoing',
+		'shared_studies'
+	]
+];
+
+// copy stg tree into stg/orgforms
+$config['root']['stg']['orgform'] = $config['root']['stg'];

application/controllers/Redirect.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Copyright (C) 2026 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 redirects urls to another location. This is mainly used
+ * with the $routes config
+ */
+class Redirect extends CI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct();
+	}
+
+	/**
+	 * Main function to handle all redirects.
+	 *
+	 * @param string				$method - the redirect code (30x)
+	 * @param array					$params - the url to redirect to
+	 *
+	 * @return void
+	 */
+	public function _remap($method, $params)
+	{
+		redirect($params, 'location', $method);
+	}
+}

application/controllers/Tempus.php

@@ -0,0 +1,69 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ *
+ */
+class Tempus 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()]);
+
+		// Load Config
+		$this->load->config('calendar');
+	}
+
+	public function index()
+	{
+		$this->_loadView();
+	}
+
+	public function sync()
+	{
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
+		$this->load->model('ressource/Kalenderstatus_model', 'KalenderStatusModel');
+
+		$this->OrganisationseinheitModel->addJoin('tbl_studiengang', 'oe_kurzbz', 'LEFT');
+
+		$this->OrganisationseinheitModel->addSelect('public.tbl_organisationseinheit.organisationseinheittyp_kurzbz,
+															public.tbl_organisationseinheit.bezeichnung,
+															public.tbl_studiengang.studiengang_kz,
+															public.tbl_organisationseinheit.oe_kurzbz,
+															tbl_studiengang.typ,
+															COALESCE(public.tbl_studiengang.bezeichnung, \'\') as stgbezeichnung');
+		$this->OrganisationseinheitModel->addOrder('tbl_organisationseinheit.aktiv', 'DESC');
+		$this->OrganisationseinheitModel->addOrder('tbl_organisationseinheit.organisationseinheittyp_kurzbz');
+		$organisationen = getData($this->OrganisationseinheitModel->loadWhere(array("tbl_organisationseinheit.aktiv" => true)));
+
+
+		$this->StudiensemesterModel->addOrder('start', 'DESC');
+		$studiensemestern = getData($this->StudiensemesterModel->load());
+
+		$this->_loadView(array('organisationen' => $organisationen, 'studiensemestern' => $studiensemestern));
+	}
+
+	private function _loadView($extraVariables = [])
+	{
+		$this->load->view('Tempus', [
+			'permissions' => [
+				'admin' => $this->permissionlib->isBerechtigt('admin'),
+				'stundenraster' => $this->permissionlib->isBerechtigt('basis/tempus_stundenraster'),
+			],
+			'variables' => array_merge([
+				'semester_aktuell' => $this->variablelib->getVar('semester_aktuell'),
+				'timezone' => $this->config->item('timezone')
+			], $extraVariables)
+		]);
+	}
+}

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

@@ -20,8 +20,8 @@ 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
+ * Provides data to the ajax get calls about favorite treemenu entries
+ * Listens to ajax post calls to change the favorite treemenu entries
  * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
  */
 class Favorites extends FHCAPI_Controller
@@ -29,7 +29,7 @@ class Favorites extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'index' => self::PERM_LOGGED,
+			'get' => self::PERM_LOGGED,
 			'set' => self::PERM_LOGGED
 		]);
 
@@ -37,19 +37,19 @@ class Favorites extends FHCAPI_Controller
 		$this->load->model('system/Variable_model', 'VariableModel');
 	}
 
-	public function index()
+	public function get($app)
 	{
-		$result = $this->VariableModel->getVariables(getAuthUID(), ['stv_favorites']);
+		$result = $this->VariableModel->getVariables(getAuthUID(), [$app . '_favorites']);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
 		if (!$data)
 			$this->terminateWithSuccess(null);
 		else
-			$this->terminateWithSuccess($data['stv_favorites'] ?? null);
+			$this->terminateWithSuccess($data[$app . '_favorites'] ?? null);
 	}
 
-	public function set()
+	public function set($app)
 	{
 		$this->load->library('form_validation');
 
@@ -60,7 +60,7 @@ class Favorites extends FHCAPI_Controller
 
 		$favorites = $this->input->post('favorites');
 
-		$result = $this->VariableModel->setVariable(getAuthUID(), 'stv_favorites', $favorites);
+		$result = $this->VariableModel->setVariable(getAuthUID(), $app . '_favorites', $favorites);
 
 		$this->getDataOrTerminateWithError($result);
 		

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

@@ -56,7 +56,9 @@ class Lehrveranstaltung extends FHCAPI_Controller
 
 		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
 
-		$lehrveranstaltungen = $this->_ci->LehreinheitModel->getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $stg_kz);
+		$studiengang_kz = $this->getStudiengangKz($stg_kz);
+
+		$lehrveranstaltungen = $this->_ci->LehreinheitModel->getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $studiengang_kz);
 		$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
 
 		$tree = [];
@@ -75,15 +77,17 @@ class Lehrveranstaltung extends FHCAPI_Controller
 
 		$this->terminateWithSuccess($tree);
 	}
-	public function getByStg($studiensemester_kurzbz = null, $studiengang_kz = null, $semester = null)
+	public function getByStg($studiensemester_kurzbz = null, $stg_kz = null, $semester = null)
 	{
+		$studiengang_kz = $this->getStudiengangKz($stg_kz);
+
 		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;
+			$verband = $this->getOrgformKurzbz($semester);
 			$semester = null;
 		}
 
@@ -260,18 +264,53 @@ class Lehrveranstaltung extends FHCAPI_Controller
 		}
 	}
 
+	protected function getStudiengangKz($studiengang_typ_kurzbz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$result = $this->StudiengangModel->loadWhere([
+			'LOWER(CONCAT(typ, kurzbz)) =' => strtolower($studiengang_typ_kurzbz)
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			return null;
+
+		return current($data)->studiengang_kz;
+	}
+
 	private function getStudiensemesterKurzbz($studiensemester_kurzbz = null)
 	{
 		if (!is_null($studiensemester_kurzbz))
 		{
-			$studiensemester_result = $this->_ci->StudiensemesterModel->load($studiensemester_kurzbz);
+			$studiensemester_result = $this->_ci->StudiensemesterModel->loadWhere([
+				'LOWER(studiensemester_kurzbz)' => strtolower($studiensemester_kurzbz)
+			]);
 
 			if (isError($studiensemester_result) || !hasData($studiensemester_result))
-				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+				$this->terminateWithError($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);
 	}
+
+	protected function getOrgformKurzbz($orgform_kurzbz)
+	{
+		if ($orgform_kurzbz === null)
+			return null;
+
+		$this->load->model('codex/Orgform_model', 'OrgformModel');
+		$result = $this->OrgformModel->loadWhere([
+			'LOWER(orgform_kurzbz) =' => strtolower($orgform_kurzbz)
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			return $orgform_kurzbz;
+
+		return current($data)->orgform_kurzbz;
+	}
 }

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

@@ -49,6 +49,8 @@ class LvPlan extends FHCAPI_Controller
 			'getLehrverband' => self::PERM_LOGGED,
 			'permissionOtherLvPlan' => self::PERM_LOGGED,
 			'compactibleEventTypes' => self::PERM_LOGGED,
+			'getLeEvents' => self::PERM_LOGGED,
+			'getLvEvents' => self::PERM_LOGGED,
 		]);
 
 		$this->load->library('LogLib');
@@ -60,7 +62,13 @@ class LvPlan extends FHCAPI_Controller
 			'dbExecuteUser' => 'RESTful API'
 		));
 
-		$this->load->library('form_validation');
+        $this->load->library('form_validation');
+		$this->load->library('PhrasesLib');
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
 	}
 
 	//------------------------------------------------------------------------------------------------------------------
@@ -106,6 +114,7 @@ class LvPlan extends FHCAPI_Controller
 
 		// fetching lvplan events
 		$result = $this->stundenplanlib->getEventsUser($start_date, $end_date, $uid);
+
 		$lvplanEvents = $this->getDataOrTerminateWithError($result);
 
 		// fetching moodle events
@@ -196,6 +205,38 @@ class LvPlan extends FHCAPI_Controller
 		));
 	}
 
+	public function getLeEvents($le_id = null, $start_date = null, $end_date = null, $stundenplan = 'stundenplandev')
+	{
+
+		if (is_null($le_id) || is_null($start_date) || is_null($end_date))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if ($stundenplan !== 'stundenplandev' && $stundenplan !== 'stundenplan')
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->library('StundenplanLib');
+
+		$result = $this->stundenplanlib->getEventsByLE($le_id, $start_date, $end_date, $stundenplan);
+		$lvplanEvents = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($lvplanEvents);
+	}
+
+	public function getLvEvents($lv_id = null, $start_date = null, $end_date = null, $stundenplan = 'stundenplandev')
+	{
+		if (is_null($lv_id) || is_null($start_date) || is_null($end_date))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if ($stundenplan !== 'stundenplandev' && $stundenplan !== 'stundenplan')
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->library('StundenplanLib');
+
+		$result = $this->stundenplanlib->getEventsByLV($lv_id, $start_date, $end_date, $stundenplan);
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
 	//TODO: delete this function if we don't use the old calendar export endpoints anymore
 	public function studiensemesterDateInterval($date)
 	{

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

@@ -17,60 +17,61 @@
  */
 
 if (!defined('BASEPATH'))
-    exit('No direct script access allowed');
+	exit('No direct script access allowed');
 
 class OtherLvPlan extends FHCAPI_Controller
 {
 
-    /**
-     * Object initialization
-     */
-    public function __construct()
-    {
-        parent::__construct([
-            'otherLvPlanViewData' => ['basis/other_lv_plan:r'],
-        ]);
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'otherLvPlanViewData' => ['basis/other_lv_plan:r'],
+		]);
 
-        $this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
-        $this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$this->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$this->load->library('ProfilLib');
 
-    }
+	}
 
-    //------------------------------------------------------------------------------------------------------------------
-    // Public methods
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
 
-    /**
-     * retrieves viewData for other lv plan view
-     * @access public
-     * @param  $uid the userID for which the other lv plan is being viewed
-     */
-    public function otherLvPlanViewData($uid)
-    {
-        $isMitarbeiterResult = $this->MitarbeiterModel->isMitarbeiter($uid);
-        $isMitarbeiter = getData($isMitarbeiterResult);
-        $isStudent = !$isMitarbeiter;
+	/**
+	 * retrieves viewData for other lv plan view
+	 * @access public
+	 * @param  $uid the userID for which the other lv plan is being viewed
+	 */
+	public function otherLvPlanViewData($uid)
+	{
+		$isMitarbeiterResult = $this->MitarbeiterModel->isMitarbeiter($uid);
+		$isMitarbeiter = getData($isMitarbeiterResult);
+		$isStudent = !$isMitarbeiter;
 
-        $this->BenutzerModel->addSelect(["foto", "vorname", "nachname"]);
-        $this->BenutzerModel->addJoin("tbl_person", "person_id");
-        $personResult = $this->BenutzerModel->load([$uid]);
-        $person = hasData($personResult) ? getData($personResult) : null;
+		$resProfileData = $this->profillib->getView($uid);
+		$profileData = hasData($resProfileData) ? getData($resProfileData) : null;
 
-        $viewData = [
-            "user_data" => [
-                "username" => $uid,
-                "is_student" => $isStudent,
-                "is_mitarbeiter" => $isMitarbeiter,
-                "foto" => $person[0]->foto,
-                "vorname" => $person[0]->vorname,
-                "nachname" => $person[0]->nachname,
-            ],
-        ];
+		$viewData = [
+			"user_data" => [
+				"username" => $uid,
+				"is_student" => $isStudent,
+				"is_mitarbeiter" => $isMitarbeiter,
+				"foto" => $profileData->data->foto,
+				"vorname" => $profileData->data->vorname,
+				"nachname" => $profileData->data->nachname,
+				"titel" => $profileData->data->titel,
+				"postnomen" => $profileData->data->postnomen,
+			],
+		];
 
-        $this->terminateWithSuccess($viewData);
-    }
+		$this->terminateWithSuccess($viewData);
+	}
 
-    // -----------------------------------------------------------------------------------------------------------------
-    // Private methods
+	// -----------------------------------------------------------------------------------------------------------------
+	// Private methods
 
 }
 

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

@@ -31,7 +31,7 @@ class RendererLoader extends FHCAPI_Controller
 
 		parent::__construct([
 			'GetRenderers' => self::PERM_LOGGED,
-           
+			'GetTempusRenderers' => self::PERM_LOGGED,
 		]);
 
         $this->load->library('LogLib');
@@ -66,6 +66,26 @@ class RendererLoader extends FHCAPI_Controller
 		$this->terminateWithSuccess($renderer_paths);
 	}
 
+	public function GetTempusRenderers(){
+		$renderer_paths = [];
+		Events::trigger(
+				'loadRenderers',
+				function & () use (&$renderer_paths)
+				{
+					return $renderer_paths;
+				}
+			);
+
+		Events::trigger(
+				'loadTempusRenderers',
+				function & () use (&$renderer_paths)
+				{
+					return $renderer_paths;
+				}
+			);
+		$this->terminateWithSuccess($renderer_paths);
+	}
+
 	
 	
 

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

@@ -0,0 +1,162 @@
+<?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 PhrasesLib (back-end)
+ * Provides data to the ajax get calls about the Phrasen plugin
+ * This controller works with JSON calls on the HTTP GET and the output is always JSON
+ */
+class TabulatorPresets extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getTabulatorPresets' => self::PERM_LOGGED,
+			'createTabulatorPreset' => self::PERM_LOGGED,
+			'updateTabulatorPreset' => self::PERM_LOGGED,
+			'deleteTabulatorPreset' => self::PERM_LOGGED,
+		]);
+
+		$this->load->model('tabulator/Tabulator_preset_model', 'TabulatorPresetModel');
+
+		$this->loadPhrases([
+			'global',
+			'tabulator_presets'
+		]);
+	}
+	
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	public function getTabulatorPresets()
+	{
+		$tableName = $this->input->get("tableName");
+		if (!$tableName) {
+			$this->terminateWithError(error($this->p->t("tabulator_presets", "invalid_params_err_msg")));
+		}
+
+		$uid = getAuthUID();
+		$presets = $this->TabulatorPresetModel->getTabulatorPresetsByUserAndTable($uid, $tableName);
+		$presetsData = $this->getDataOrTerminateWithError($presets) ?? [];
+
+		$this->terminateWithSuccess($presetsData);
+	}
+
+	public function createTabulatorPreset()
+	{
+		$tableName = $this->input->post("tableName");
+		$presetName = $this->input->post("presetName");
+		$preset = $this->input->post("preset");
+
+		if (!$tableName || !$presetName || !$preset) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "invalid_params_err_msg"), "general", 400);
+		}
+
+		$uid = getAuthUID();
+
+		$existingPresetsResult = $this->TabulatorPresetModel->getTabulatorPresetsByUserAndTable($uid, $tableName);
+		$existingPresets = $this->getDataOrTerminateWithError($existingPresetsResult) ?? [];
+
+		if (count($existingPresets) > 19) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "max_presets_count_err_msg"), "general", 409);
+		}
+
+		$existingPresetNames = array_map(function($presetInfo) {
+			return $presetInfo->preset_name;
+		}, $existingPresets);
+
+		if (in_array($presetName, $existingPresetNames)) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "preset_name_duplicate_err_msg"), "general", 409);
+		}
+
+		$presetCreationResult = $this->TabulatorPresetModel->createTabulatorPreset($uid, $tableName, $presetName, $preset);
+
+		if (isError($presetCreationResult)) {
+			$this->terminateWithError($presetCreationResult->retval);
+		}
+
+		$newPresetData = $this->TabulatorPresetModel->getTabulatorPreset($presetCreationResult->retval);
+		$newPresetArray = $this->getDataOrTerminateWithError($newPresetData) ?? [null];
+		$newPreset = $newPresetArray[0];
+
+		$this->terminateWithSuccess($newPreset);
+	}
+
+	public function updateTabulatorPreset()
+	{
+		$presetId = $this->input->post("presetId");
+		$preset = $this->input->post("preset");
+
+		if (!$presetId || !$preset) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "invalid_params_err_msg"), "general", 400);
+		} 
+
+		$existingPresetData = $this->TabulatorPresetModel->getTabulatorPreset($presetId);
+		$existingPresetArray = $this->getDataOrTerminateWithError($existingPresetData) ?? [null];
+		$existingPreset = $existingPresetArray[0];
+		if (!$existingPreset) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "preset_not_found_err_msg"), "general", 404);
+		}
+
+		$uid = getAuthUID();
+		if ($existingPreset->benutzer_uid !== $uid) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "preset_not_own_update_err_msg"), "general", 403);
+		}
+
+		$presetUpdateResult = $this->TabulatorPresetModel->updateTabulatorPreset($presetId, $preset);
+		if (isError($presetUpdateResult)) {
+			$this->terminateWithError($presetUpdateResult->retval);
+		}
+
+		$updatedPresetData = $this->TabulatorPresetModel->getTabulatorPreset($presetId);
+		$updatedPresetArray = $this->getDataOrTerminateWithError($updatedPresetData) ?? [null];
+		$updatedPreset = $updatedPresetArray[0];
+
+		$this->terminateWithSuccess($updatedPreset);
+	}
+
+	public function deleteTabulatorPreset()
+	{
+		$presetId = $this->input->post("presetId");
+		if (!$presetId) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "invalid_params_err_msg"), "general", 400);
+		}
+
+		$presetData = $this->TabulatorPresetModel->getTabulatorPreset($presetId);
+		$presetArray = $this->getDataOrTerminateWithError($presetData) ?? [null];
+		$preset = $presetArray[0];
+		if (!$preset) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "preset_not_found_err_msg"), "general", 404);
+		}
+
+		$uid = getAuthUID();
+		if ($preset->benutzer_uid !== $uid) {
+			$this->terminateWithError($this->p->t("tabulator_presets", "preset_not_own_delete_err_msg"), "general", 403);
+		}
+
+		$presetDeletionResult = $this->TabulatorPresetModel->deleteTabulatorPreset($presetId);
+		if (isError($presetDeletionResult)) {
+			$this->terminateWithError($presetDeletionResult->retval);
+		}
+
+		$this->terminateWithSuccess();
+	}
+
+}

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

@@ -0,0 +1,148 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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 \ReflectionMethod as ReflectionMethod;
+use \ReflectionFunction as ReflectionFunction;
+
+/**
+ * This controller operates between (interface) the JS (GUI) and the back-end
+ * Provides data to the ajax get calls about menues
+ * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
+ */
+class Treemenu extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		// Load Router
+		$router = load_class('Router');
+
+		// Load Config
+		$config = load_class('Config');
+		$config->load('treemenu');
+
+		// Get Treemenu name & config
+		$name = $router->method;
+		$conf = $config->item($name);
+		
+		// Get Permissions from config
+		$permissions = $conf['permissions'] ?? self::PERM_ANONYMOUS;
+
+		// Call constructor
+		parent::__construct([
+			$name => $permissions
+		]);
+
+		// Load Library
+		$libraryName = $conf['library'] ?? null;
+		$this->load->library($libraryName, null, 'treemenulib');
+	}
+	
+	/**
+	 * @param string		$method
+	 * @param array			$params				(optional)
+	 *
+	 * @return void
+	 */
+	public function _remap($method, $params = [])
+	{
+		if (!$this->treemenulib)
+			show_404();
+
+		$this->addMeta('ci_method', $method);
+		$this->addMeta('ci_params', $params);
+		
+		$params = $this->uri->uri_to_assoc(6); // 6 = start of $params
+		$config = $this->treemenulib->config;
+
+		foreach (array_keys($params) as $key) {
+			if (!isset($config[$key]) || !$config[$key])
+				show_404();
+
+			$config = $config[$key];
+		}
+
+		// Prepare aliases
+		$argumentaliases = [];
+		if (property_exists($this->treemenulib, 'path_to_argument'))
+			$argumentaliases = array_flip($this->treemenulib->path_to_argument);
+		$methodaliases = [];
+		if (property_exists($this->treemenulib, 'redirect_method'))
+			$methodaliases = $this->treemenulib->redirect_method;
+		
+		$items = [];
+		foreach ($config as $uripart => $children) {
+			if (!is_array($children)) {
+				$uripart = $children;
+				$children = [];
+			}
+
+			$methodName = $uripart;
+			if (isset($methodaliases[$methodName])) {
+				$methodName = $methodaliases[$methodName];
+			} elseif (strpbrk($methodName, ' _-') !== false) {
+				$methodName = lcfirst(str_replace([' ', '_', '-'], '', ucwords($methodName, " \t\r\n\f\v_-")));
+			}
+
+			// Prepare arguments
+			if (is_callable($methodName, false, $name)) {
+				if (is_string($methodName) && is_callable([$this->treemenulib, $methodName]))
+					$callable = [$this->treemenulib, $methodName];
+				else
+					$callable = $methodName;
+			} else {
+				$callable = [$this->treemenulib, $methodName];
+			}
+
+			if (is_array($callable))
+				$reflection = new ReflectionMethod($callable[0], $callable[1]);
+			elseif (is_string($callable) && strstr($callable, '::'))
+				$reflection = new ReflectionMethod($callable);
+			elseif ($name != 'Closure::__invoke' && strstr($name, '::__invoke'))
+				$reflection = new ReflectionMethod($callable, '__invoke');
+			else
+				$reflection = new ReflectionFunction($callable);
+
+			$arguments = [];
+			foreach ($reflection->getParameters() as $arg) {
+				if ($arg->name == 'path_template') {
+					$path = $params;
+					$path[$uripart] = '%s';
+					$arguments[] = $this->uri->assoc_to_uri($path);
+				} elseif ($arg->name == 'has_children') {
+					$arguments[] = $children;
+				} elseif ($arg->name == 'original_method') {
+					$arguments[] = $uripart;
+				} elseif (isset($argumentaliases[$arg->name]) && isset($params[$argumentaliases[$arg->name]])) {
+					$arguments[] = $params[$argumentaliases[$arg->name]];
+				} elseif (isset($params[$arg->name])) {
+					$arguments[] = $params[$arg->name];
+				} else {
+					$arguments[] = null;
+				}
+			}
+
+			// Call function from lib
+			$items = array_merge($items, call_user_func_array($callable, $arguments));
+		}
+
+		$this->terminateWithSuccess($items);
+	}
+}

application/controllers/api/frontend/v1/detailheader/Detailheader.php

@@ -9,9 +9,10 @@ class Detailheader extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'getHeader' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r'],
-			'getPersonAbteilung' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r'],
-			'getLeitungOrg' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r'],
+			'getHeader' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r', 'admin:r', 'assistenz:r'],
+			'getPersonAbteilung' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r', 'admin:r', 'assistenz:r'],
+			'getLeitungOrg' => ['vertrag/mitarbeiter:r', 'basis/mitarbeiter:r', 'admin:r', 'assistenz:r'],
+			'getSemesterStati' => ['admin:r', 'assistenz:r'],
 		]);
 	}
 
@@ -48,6 +49,17 @@ class Detailheader extends FHCAPI_Controller
 		$this->terminateWithSuccess(current($data));
 	}
 
+	public function getSemesterStati($prestudent_id)
+	{
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+
+		$result = $this->PrestudentstatusModel->getAllPrestudentstatiWithStudiensemester($prestudent_id);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
 }
 
 

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

@@ -0,0 +1,86 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Config extends FHCAPI_Controller
+{
+	private $_ci;
+	private $_uid;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'get' => ['admin:r', 'assistenz:r'],
+			'set' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+
+		$this->loadPhrases([
+			'lehre'
+		]);
+
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->library('PermissionLib');
+
+	}
+
+
+	public function get()
+	{
+		if (!($this->permissionlib->isBerechtigt('basis/tempus')) && !($this->permissionlib->isBerechtigt('lv-plan')))
+			$this->terminateWithSuccess([]);
+
+		$ignore_kollision = $this->_ci->variablelib->getVar('ignore_kollision');
+		$ignore_zeitsperre = $this->_ci->variablelib->getVar('ignore_zeitsperre');
+		$ignore_reservierung = $this->_ci->variablelib->getVar('ignore_reservierung');
+
+		$config['ignore_kollision'] = [
+			"type" => "checkbox",
+			"label" => 'ignore_kollision',
+			"value" => $ignore_kollision,
+		];
+
+		$config['ignore_zeitsperre'] = [
+			"type" => "checkbox",
+			"label" => 'ignore_zeitsperre',
+			"value" => $ignore_zeitsperre,
+		];
+
+		$config['ignore_reservierung'] = [
+			"type" => "checkbox",
+			"label" => 'ignore_reservierung',
+			"value" => $ignore_reservierung,
+		];
+
+		$this->terminateWithSuccess($config);
+	}
+	public function set()
+	{
+		if (!($this->permissionlib->isBerechtigt('basis/tempus')) && !($this->permissionlib->isBerechtigt('lv-plan')))
+			$this->terminateWithSuccess([]);
+
+		$this->load->model('system/Variable_model', 'VariableModel');
+
+		foreach (['ignore_kollision','ignore_zeitsperre','ignore_reservierung'] as $variable)
+		{
+			if ($this->_ci->input->post($variable) !== null)
+			{
+				$this->VariableModel->update(array('uid' => $this->_uid, 'name' => $variable), array('wert' => $this->input->post($variable)));
+
+			}
+		}
+
+		$this->terminateWithSuccess();
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

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

@@ -15,6 +15,7 @@ class Gruppe extends FHCAPI_Controller
 			'getBenutzerSearch' => ['admin:r', 'assistenz:r'],
 			'getAllSearch' => ['admin:r', 'assistenz:r'],
 			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+			'getGruppe' => ['admin:r', 'assistenz:r'],
 		]);
 
 		$this->_ci = &get_instance();
@@ -67,7 +68,7 @@ class Gruppe extends FHCAPI_Controller
 
 		$this->checkPermission($lehreinheit_id);
 
-		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, !($lehrverband === 'false'));
+		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, $lehrverband === true || $lehrverband === 'true');
 
 		if (isError($result))
 			$this->terminateWithError(getError($result));
@@ -75,6 +76,71 @@ class Gruppe extends FHCAPI_Controller
 		$this->terminateWithSuccess($result);
 	}
 
+	public function getGruppe()
+	{
+		$lehrverband = $this->input->post('lehrverband');
+
+		$gruppen_result = array();
+
+		if ($lehrverband === false)
+		{
+			$gruppen_result = $this->_ci->GruppeModel->loadWhere(array(
+				'studiengang_kz' => $this->input->post('stg_kz'),
+				'gruppe_kurzbz' => $this->input->post('gruppe_kurzbz'),
+				'aktiv' => true
+			));
+		}
+		else if ($lehrverband === true)
+		{
+
+			if (!isEmptyString($this->input->post('verband')))
+			{
+				$this->LehrverbandModel->db->where('verband', $this->input->post('verband'));
+			}
+			else
+			{
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("trim(verband) = ''");
+				$this->LehrverbandModel->db->or_where("verband IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			if (!isEmptyString($this->input->post('gruppe')))
+			{
+				$this->LehrverbandModel->db->where('gruppe', $this->input->post('gruppe'));
+			}
+			else
+			{
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("trim(gruppe) = ''");
+				$this->LehrverbandModel->db->or_where("gruppe IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			if (!isEmptyString((string)$this->input->post('semester')))
+			{
+				$this->LehrverbandModel->db->where('semester', $this->input->post('semester'));
+			}
+			else
+			{
+
+				$this->LehrverbandModel->db->group_start();
+				$this->LehrverbandModel->db->where("semester = ''");
+				$this->LehrverbandModel->db->or_where("semester IS NULL");
+				$this->LehrverbandModel->db->group_end();
+			}
+
+			$gruppen_result = $this->LehrverbandModel->loadWhere(array('studiengang_kz' => $this->input->post('stg_kz'), 'aktiv' => true));
+		}
+
+		if (!hasData($gruppen_result))
+			return $this->terminateWithError('No group found');
+
+		$gruppen_array = getData($gruppen_result)[0];
+
+		$this->terminateWithSuccess($gruppen_array->gid);
+	}
+
 	public function getByLehreinheit($lehreinheit_id = null)
 	{
 		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
@@ -118,54 +184,17 @@ class Gruppe extends FHCAPI_Controller
 
 		$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();
+		$gruppen_result = $this->_ci->GruppeModel->search($query_words);
 
 		if (isError($gruppen_result))
 			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
 
+		$gruppen_array = array();
+
 		if (hasData($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_result = $this->_ci->LehrverbandModel->search($query_words);
 
 		$lehrverband_array = array();
 

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

@@ -134,9 +134,14 @@ class Lektor extends FHCAPI_Controller
 			$this->terminateWithValidationErrors($this->form_validation->error_array());
 		}
 
-		if (isset($formData['semesterstunden']) && (!is_numeric($formData['semesterstunden']) || $formData['semesterstunden'] === ''))
+		$nullable_fields = array('semesterstunden', 'stundensatz', 'planstunden');
+
+		foreach ($nullable_fields as $nullable_field)
 		{
-			$formData['semesterstunden'] = null;
+			if (isset($formData[$nullable_field]) && (!is_numeric($formData[$nullable_field]) || $formData[$nullable_field] === ''))
+			{
+				$formData[$nullable_field] = null;
+			}
 		}
 
 		$lehreinheit_permission = $this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
@@ -144,6 +149,9 @@ class Lektor extends FHCAPI_Controller
 		if (!$lehreinheit_permission)
 			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
 
+		if (!is_null($this->getLektorVertrag($lehreinheit_id, $mitarbeiter_uid)) && (array_key_exists('mitarbeiter_uid', $formData) && $mitarbeiter_uid !== $formData['mitarbeiter_uid']))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
 		$result = $this->_ci->lektorlib->updateLektorFromLehreinheit($lehreinheit_id, $mitarbeiter_uid, $formData);
 
 		if (isError($result)) $this->terminateWithError(getError($result));
@@ -154,7 +162,7 @@ class Lektor extends FHCAPI_Controller
 	{
 		$value = str_replace(',', '.', $value);
 
-		if (!is_numeric($value))
+		if (!is_numeric($value) && $value !== "")
 		{
 			$this->form_validation->set_message('_check_decimal', 'Das Feld {field} muss eine Zahl sein.');
 			return false;

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

@@ -0,0 +1,84 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Noten extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getCertificate' => 'student/noten:r',
+			'getTeacherProposal' => 'student/noten:r',
+		]);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		// Load Phrases
+		$this->loadPhrases([
+			'stv',
+			'person',
+			'lehre'
+		]);
+	}
+
+	public function getCertificate($lv_id, $studiensemester_kurzbz = null)
+	{
+		if (is_null($lv_id) || !ctype_digit((string)$lv_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('education/lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$result = $this->LehrveranstaltungModel->loadWhere([
+			'lehrveranstaltung_id' => $lv_id
+		]);
+
+		$lehrveranstaltung = $this->getDataOrTerminateWithError($result);
+
+		if (!$lehrveranstaltung)
+			$this->terminateWithSuccess([]);
+
+		if ($studiensemester_kurzbz !== null && !$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$result = $this->ZeugnisnoteModel->getZeugnisnoten(null, $studiensemester_kurzbz, $lehrveranstaltung[0]->lehrveranstaltung_id);
+
+		$grades = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($grades);
+	}
+
+	public function getTeacherProposal($lv_id, $studiensemester_kurzbz = null)
+	{
+		if (is_null($lv_id) || !ctype_digit((string)$lv_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('education/lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->load->model('education/Lvgesamtnote_model', 'LvgesamtnoteModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$result = $this->LehrveranstaltungModel->loadWhere([
+			'lehrveranstaltung_id' => $lv_id
+		]);
+
+		$lehrveranstaltung = $this->getDataOrTerminateWithError($result);
+
+		if (!$lehrveranstaltung)
+			$this->terminateWithSuccess([]);
+
+		if ($studiensemester_kurzbz !== null && !$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
+		{
+			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
+		}
+
+		$result = $this->LvgesamtnoteModel->getLvGesamtNoten($lv_id, null, $studiensemester_kurzbz);
+
+		$grades = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($grades);
+	}
+
+}

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

@@ -19,6 +19,8 @@
 if (!defined('BASEPATH'))
 	exit('No direct script access allowed');
 
+use CI3_Events as Events;
+
 class Setup extends FHCAPI_Controller
 {
 	private $_ci;
@@ -27,7 +29,8 @@ class Setup extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'getTabs' => ['admin:r', 'assistenz:r'],
+			'getLETabs' => ['admin:r', 'assistenz:r'],
+			'getLVTabs' => ['admin:r', 'assistenz:r'],
 			'getStudiensemester' => ['admin:r', 'assistenz:r'],
 			'getSprache' => ['admin:r', 'assistenz:r'],
 			'getRaumtyp' => ['admin:r', 'assistenz:r'],
@@ -41,9 +44,10 @@ class Setup extends FHCAPI_Controller
 		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
 
 		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->helper('hlp_document');
 	}
 
-	public function getTabs()
+	public function getLETabs()
 	{
 		$tabs['details'] = array (
 			'title' =>  'Details',
@@ -60,11 +64,43 @@ class Setup extends FHCAPI_Controller
 			'component' => absoluteJsImportUrl('public/js/components/LVVerwaltung/Tabs/Lektor.js'),
 			'config' => []
 		);
+		$tabs['termine'] = array (
+			'title' =>  'Termine',
+			'component' => absoluteJsImportUrl('public/js/components/LVVerwaltung/Tabs/Termine.js'),
+			'config' => []
+		);
 		$tabs['notiz'] = array (
 			'title' =>  'Notizen',
 			'component' => absoluteJsImportUrl('public/js/components/LVVerwaltung/Tabs/Notiz.js'),
 			'config' => []
 		);
+
+		Events::trigger('lvv_conf_tabs', function & () use (&$tabs) {
+			return $tabs;
+		});
+
+		$this->terminateWithSuccess($tabs);
+	}
+
+	public function getLVTabs()
+	{
+		$tabs['termine'] = array (
+			'title' =>  'Termine',
+			'component' => absoluteJsImportUrl('public/js/components/LVVerwaltung/Tabs/LVTermine.js'),
+			'config' => []
+		);
+		$tabs['noten'] = array (
+			'title' =>  'Noten',
+			'component' => absoluteJsImportUrl('public/js/components/LVVerwaltung/Tabs/Noten.js'),
+			'config' => [
+				'usePoints' => defined('CIS_GESAMTNOTE_PUNKTE') && CIS_GESAMTNOTE_PUNKTE,
+				'edit' => 'both', // Possible values: both|header|inline
+				'delete' => 'inline', // Possible values: both|header|inline
+				'documents' => 'inline', // Possible values: both|header|inline
+				'documentslist' => gradesDocumentsList(),
+				'semesterSelect' => false
+			]
+		);
 		$this->terminateWithSuccess($tabs);
 	}
 

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

@@ -1,117 +0,0 @@
-<?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/organisation/Studiensemester.php

@@ -26,7 +26,9 @@ class Studiensemester extends FHCAPI_Controller
 				'getAll' => self::PERM_LOGGED,
 				'getAktNext' => self::PERM_LOGGED,
 				'getStudienjahrByStudiensemester' => self::PERM_LOGGED,
-				'getAllStudiensemesterAndAktOrNext' => self::PERM_LOGGED
+				'getAllStudiensemesterAndAktOrNext' => self::PERM_LOGGED,
+				'current' => self::PERM_LOGGED,
+				'set' => self::PERM_LOGGED
 			)
 		);
 		// Load model StudiensemesterModel
@@ -166,4 +168,39 @@ class Studiensemester extends FHCAPI_Controller
 		
 		$this->terminateWithSuccess(array($studiensemester, $aktuell));
 	}
+
+	public function current()
+	{
+		$result = $this->StudiensemesterModel->getNearest();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			$this->terminateWithError('Kein Studiensemester aktiv');
+		if (count($data) > 1)
+			$this->terminateWithError('Mehrere Studiensemester aktiv');
+
+		$this->terminateWithSuccess(current($data)->studiensemester_kurzbz);
+	}
+
+	public function set()
+	{
+		$this->load->library('AuthLib');
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$stdsem = $this->input->post('studiensemester_kurzbz');
+
+		$this->load->model('system/Variable_model', 'VariableModel');
+
+		$result = $this->VariableModel->setVariable(getAuthUID(), 'semester_aktuell', $stdsem);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(true);
+	}
 }

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

@@ -246,12 +246,12 @@ class Abschlusspruefung extends FHCAPI_Controller
 	{
 		$searchString = $this->input->get('searchString') ?? '';
 
-		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('person/Person_model', 'PersonModel');
 
-		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString, 'ohneMaUid');
+		$result = $this->PersonModel->searchPerson($searchString, 'mitMaUid');
 
 		if (isError($result)) {
-			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+			  $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
 		}
 
 		$this->terminateWithSuccess($result ?: []);

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

@@ -301,6 +301,7 @@ class Config extends FHCAPI_Controller
 
 	public function student()
 	{
+		$this->load->helper('hlp_document');
 		$result = [];
 		$config = $this->config->item('tabs');
 
@@ -376,9 +377,9 @@ class Config extends FHCAPI_Controller
 			'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()
+				'delete' => 'inline', // Possible values: both|header|inline
+				'documents' => 'inline', // Possible values: both|header|inline
+				'documentslist' => gradesDocumentsList()
 			]
 		];
 
@@ -622,188 +623,6 @@ class Config extends FHCAPI_Controller
 		] + $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
 	 *

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

@@ -34,7 +34,7 @@ class LvTermine extends FHCAPI_Controller
 
 	//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, $dbStundenplanTable = "stundenplan")
+	public function getStundenplan($uid, $start_date = null, $end_date = null, $dbStundenplanTable = "stundenplan", $groupConsecutiveHours = false)
 	{
 		$student_uid = $uid;
 		$semester_range = $this->studienSemesterErmitteln($start_date, $end_date);
@@ -80,13 +80,6 @@ class LvTermine extends FHCAPI_Controller
 
 		$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()

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

@@ -144,6 +144,7 @@ class Student extends FHCAPI_Controller
 				. $this->PrestudentModel->escape($studiensemester_kurzbz)
 				. ")  AS statusofsemester"
 		);
+		$this->PrestudentModel->addSelect($this->PrestudentModel->escape($studiensemester_kurzbz) . ' as query_studiensemester_kurzbz');
 
 		$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT');
 		$this->PrestudentModel->addJoin('public.tbl_benutzer b', 'student_uid = uid', 'LEFT');

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

@@ -138,7 +138,7 @@ class Students extends FHCAPI_Controller
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -190,14 +190,14 @@ class Students extends FHCAPI_Controller
 		) AS semester", false);
 		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
 		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
-		
+
 
 		$this->addFilter($studiensemester_kurzbz);
 
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -235,59 +235,66 @@ class Students extends FHCAPI_Controller
 		) AS semester", false);
 		$this->studentlistlib->addSelect("COALESCE(v.verband::text, ''::text) AS verband");
 		$this->studentlistlib->addSelect("COALESCE(v.gruppe::text, ''::text) AS gruppe");
-		
+
 
 		$this->addFilter($studiensemester_kurzbz);
 
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
 	public function getPrestudents(
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$studiensemester_kurzbz = null,
 		$filter = null
 	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
 			'filter' => $filter
 		));
 		
-		$this->fetchPrestudents($studiengang_kz, $studiensemester_kurzbz, $filter);
+		$this->fetchPrestudents($studiengang_typ_kurzbz, $studiensemester_kurzbz, $filter);
 	}
 
 	public function getPrestudentsOrgform(
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$orgform_kurzbz,
 		$studiensemester_kurzbz = null,
 		$filter = null
 	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
 			'filter' => $filter,
 			'orgform_kurzbz' => $orgform_kurzbz
 		));
 		
-		$this->fetchPrestudents($studiengang_kz, $studiensemester_kurzbz, $filter, $orgform_kurzbz);
+		$this->fetchPrestudents($studiengang_typ_kurzbz, $studiensemester_kurzbz, $filter, $orgform_kurzbz);
 	}
 
 	/**
-	 * @param integer		$studiengang_kz
+	 * @param string		$studiengang_typ_kurzbz
 	 * @param string		$studiensemester_kurzbz			(optional)
 	 * @param string		$filter							(optional)
 	 * @param string		$orgform_kurzbz					(optional)
 	 *
 	 * @return void
 	 */
-	protected function fetchPrestudents($studiengang_kz, $studiensemester_kurzbz = null, $filter = null, $orgform_kurzbz = null)
+	protected function fetchPrestudents($studiengang_typ_kurzbz, $studiensemester_kurzbz = null, $filter = null, $orgform_kurzbz = null)
 	{
+		$studiengang_kz = $this->getStudiengangKz($studiengang_typ_kurzbz);
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+		$orgform_kurzbz = $this->getOrgformKurzbz($orgform_kurzbz);
+
+		if ($studiengang_kz === null)
+			show_404();
+
 		$stdsemEsc = $studiensemester_kurzbz ? $this->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
 
 		$selectRT = "
@@ -439,19 +446,21 @@ class Students extends FHCAPI_Controller
 		$this->studentlistlib->addSelect("'' AS verband");
 		$this->studentlistlib->addSelect("'' AS gruppe");
 
+		$query_studiensemester_kurzbz = $studiensemester_kurzbz ? $this->PrestudentModel->escape($studiensemester_kurzbz) : '\'NULL\'';
+		$this->studentlistlib->addSelect($query_studiensemester_kurzbz . ' as query_studiensemester_kurzbz');
 
 		$this->addFilter($studiensemester_kurzbz);
 
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
 	public function getStudents(
 		$studiensemester_kurzbz,
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$semester = null,
 		$verband = null,
 		$gruppe = null
@@ -459,18 +468,18 @@ class Students extends FHCAPI_Controller
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'semester' => $semester,
 			'verband' => $verband,
 			'gruppe' => $gruppe
 		));
 		
-		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, $verband, $gruppe, null, null);
+		$this->fetchStudents($studiensemester_kurzbz, $studiengang_typ_kurzbz, $semester, $verband, $gruppe, null, null);
 	}
 
 	public function getStudentsOrgform(
 		$studiensemester_kurzbz,
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$orgform_kurzbz,
 		$semester = null,
 		$verband = null,
@@ -479,37 +488,37 @@ class Students extends FHCAPI_Controller
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'orgform_kurzbz' => $orgform_kurzbz,
 			'semester' => $semester,
 			'verband' => $verband,
 			'gruppe' => $gruppe
 		));
 		
-		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, $verband, $gruppe, null, $orgform_kurzbz);
+		$this->fetchStudents($studiensemester_kurzbz, $studiengang_typ_kurzbz, $semester, $verband, $gruppe, null, $orgform_kurzbz);
 	}
 
 	public function getStudentsSpezialgruppe(
 		$studiensemester_kurzbz,
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$semester,
 		$gruppe_kurzbz
 	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'semester' => $semester,
 			'gruppe_kurzbz' => $gruppe_kurzbz
 		));
 		
-		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, null, null, $gruppe_kurzbz, null);
+		$this->fetchStudents($studiensemester_kurzbz, $studiengang_typ_kurzbz, $semester, null, null, $gruppe_kurzbz, null);
 	}
 
 	public function getStudentsOrgformSpezialgruppe(
 		$studiensemester_kurzbz,
 		$orgform_kurzbz,
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$semester,
 		$gruppe_kurzbz
 	) {
@@ -517,17 +526,17 @@ class Students extends FHCAPI_Controller
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
 			'orgform_kurzbz' => $orgform_kurzbz,
-			'studiengang_kz' => $studiengang_kz,
+			'studiengang_typ_kurzbz' => $studiengang_typ_kurzbz,
 			'semester' => $semester,
 			'gruppe_kurzbz' => $gruppe_kurzbz
 		));
 		
-		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, null, null, $gruppe_kurzbz, $orgform_kurzbz);
+		$this->fetchStudents($studiensemester_kurzbz, $studiengang_typ_kurzbz, $semester, null, null, $gruppe_kurzbz, $orgform_kurzbz);
 	}
 
 	/**
-	 * @param integer		$studiengang_kz
 	 * @param string		$studiensemester_kurzbz
+	 * @param string		$studiengang_typ_kurzbz
 	 * @param integer		$semester						(optional)
 	 * @param string		$verband						(optional)
 	 * @param integer		$gruppe							(optional)
@@ -538,13 +547,20 @@ class Students extends FHCAPI_Controller
 	 */
 	protected function fetchStudents(
 		$studiensemester_kurzbz,
-		$studiengang_kz,
+		$studiengang_typ_kurzbz,
 		$semester = null,
 		$verband = null,
 		$gruppe = null,
 		$gruppe_kurzbz = null,
 		$orgform_kurzbz = null
 	) {
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+		$studiengang_kz = $this->getStudiengangKz($studiengang_typ_kurzbz);
+		$orgform_kurzbz = $this->getOrgformKurzbz($orgform_kurzbz);
+
+		if ($studiengang_kz === null)
+			show_404();
+
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
@@ -556,6 +572,7 @@ class Students extends FHCAPI_Controller
 		$this->studentlistlib->addJoin("public.tbl_student s", "prestudent_id");
 
 		$this->studentlistlib->addSelect("'' AS priorisierung_relativ");
+		$this->studentlistlib->addSelect($this->PrestudentModel->escape($studiensemester_kurzbz) . ' as query_studiensemester_kurzbz');
 
 		if ($gruppe_kurzbz !== null) {
 			$this->studentlistlib->addJoin('public.tbl_benutzergruppe g', 'uid', '', 'after_b');
@@ -594,10 +611,22 @@ class Students extends FHCAPI_Controller
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
+	protected function decodeTagsJsonInResult(&$data)
+	{
+		if(defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED) {
+			array_walk($data, function($item, $key) {
+				if(isset($item->tags))
+				{
+					$item->tags = json_decode($item->tags);
+				}
+			});
+		}
+	}
+
 	/**
 	 * @param string		$prestudent_id
 	 *
@@ -611,6 +640,8 @@ class Students extends FHCAPI_Controller
 			'prestudent_id' => $prestudent_id,
 		));
 
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
@@ -618,7 +649,7 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}
 
-		
+
 		$this->studentlistlib->addSelect("COALESCE(
 			v.semester::text, 
 			CASE 
@@ -638,7 +669,7 @@ class Students extends FHCAPI_Controller
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -655,6 +686,8 @@ class Students extends FHCAPI_Controller
 			'student_uid' => $student_uid,
 		));
 
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
@@ -664,14 +697,14 @@ class Students extends FHCAPI_Controller
 
 
 		$this->studentlistlib->addWhere('s.student_uid', $student_uid);
-		
+
 
 		$this->addFilter($studiensemester_kurzbz);
 
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 		
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -689,6 +722,8 @@ class Students extends FHCAPI_Controller
 			'person_id' => $person_id,
 		));
 
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		if (!$this->StudiensemesterModel->isValidStudiensemester($studiensemester_kurzbz))
@@ -699,13 +734,13 @@ class Students extends FHCAPI_Controller
 
 		$this->studentlistlib->addWhere('p.person_id', $person_id);
 
-		
+
 		$this->addFilter($studiensemester_kurzbz);
 
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 		
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -721,6 +756,8 @@ class Students extends FHCAPI_Controller
 			'studiensemester_kurzbz' => $studiensemester_kurzbz
 		));
 
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
 		$this->load->library('SearchLib', [ 'config' => 'searchstv' ]);
 		$this->load->library('form_validation');
 
@@ -755,6 +792,7 @@ class Students extends FHCAPI_Controller
 			END
 		) AS semester", false);
 
+		$this->studentlistlib->addSelect($this->PrestudentModel->escape($studiensemester_kurzbz) . ' as query_studiensemester_kurzbz');
 
 		if ($prestudent_ids && $student_uids) {
 			$this->studentlistlib->addWhere('tbl_prestudent.prestudent_id', $prestudent_ids);
@@ -773,7 +811,7 @@ class Students extends FHCAPI_Controller
 		$result = $this->studentlistlib->execute($studiensemester_kurzbz);
 
 		$data = $this->getDataOrTerminateWithError($result);
-
+		$this->decodeTagsJsonInResult($data);
 		$this->terminateWithSuccess($data);
 	}
 
@@ -802,4 +840,55 @@ class Students extends FHCAPI_Controller
 			}
 		}
 	}
+
+	protected function getStudiengangKz($studiengang_typ_kurzbz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$result = $this->StudiengangModel->loadWhere([
+			'LOWER(CONCAT(typ, kurzbz)) =' => strtolower($studiengang_typ_kurzbz)
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			return null;
+
+		return current($data)->studiengang_kz;
+	}
+
+	protected function getStudiensemesterKurzbz($studiensemester_kurzbz)
+	{
+		if ($studiensemester_kurzbz === null)
+			return null;
+
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$result = $this->StudiensemesterModel->loadWhere([
+			'LOWER(studiensemester_kurzbz) =' => strtolower($studiensemester_kurzbz)
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			return $studiensemester_kurzbz;
+
+		return current($data)->studiensemester_kurzbz;
+	}
+
+	protected function getOrgformKurzbz($orgform_kurzbz)
+	{
+		if ($orgform_kurzbz === null)
+			return null;
+
+		$this->load->model('codex/Orgform_model', 'OrgformModel');
+		$result = $this->OrgformModel->loadWhere([
+			'LOWER(orgform_kurzbz) =' => strtolower($orgform_kurzbz)
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			return $orgform_kurzbz;
+
+		return current($data)->orgform_kurzbz;
+	}
 }

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

@@ -15,7 +15,9 @@ class Tags extends Tag_Controller
 			'addTag' => self::BERECHTIGUNG_KURZBZ,
 			'updateTag' => self::BERECHTIGUNG_KURZBZ,
 			'doneTag' => self::BERECHTIGUNG_KURZBZ,
-			'deleteTag' => self::BERECHTIGUNG_KURZBZ
+			'deleteTag' => self::BERECHTIGUNG_KURZBZ,
+			'getAllTags' => self::BERECHTIGUNG_KURZBZ,
+			'rebuildTagsForTypeId' => self::BERECHTIGUNG_KURZBZ,
 		]);
 
 	$this->config->load('stv');
@@ -45,4 +47,5 @@ class Tags extends Tag_Controller
 	{
 		parent::doneTag($this->config->item('stv_prestudent_tags'));
 	}
+
 }

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

@@ -1,513 +0,0 @@
-<?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 verbände
- * This controller works with JSON calls on the HTTP GET or POST and the output is always JSON
- */
-class Verband extends FHCAPI_Controller
-{
-	public function __construct()
-	{
-		$permissions = [];
-		$router = load_class('Router');
-		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
-		parent::__construct($permissions);
-
-		// Load Models
-		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
-	}
-	
-	/**
-	 * Remap calls:
-	 * /
-	 * /(studiengang_kz)									=> getStudiengang
-	 * /(studiengang_kz)/(semester)							=> getSemester
-	 * /(studiengang_kz)/(semester)/(verband)				=> getVerband
-	 * /(studiengang_kz)/(org_form)							=> getStudiengang
-	 * /(studiengang_kz)/(org_form)/(semester)				=> getSemester
-	 * /(studiengang_kz)/(org_form)/(semester)/(verband)	=> getVerband
-	 *
-	 * @param string		$method
-	 * @param array			$params				(optional)
-	 *
-	 * @return void
-	 */
-	public function _remap($method, $params = [])
-	{
-		if ($method == '' || $method == 'index')
-			return $this->getBase();
-
-		// NOTE(chris): Test if access is allowed ($method is the Studiengang)
-		if (!$this->permissionlib->isBerechtigt('assistenz', 's', $method)
-			&& !$this->permissionlib->isBerechtigt('admin', 's', $method)
-		) {
-			return $this->_outputAuthError([$method => ['admin:r', 'assistenz:r']]);
-		}
-
-		$count = count($params);
-		if (!$count)
-			return $this->getStudiengang($method);
-
-		if ($count == 1) {
-			if (is_numeric($params[0]))
-				return $this->getSemester($method, $params[0]);
-			elseif ($params[0] == 'prestudent')
-				return $this->terminateWithSuccess($this->getStdSem($method . '/prestudent/', $method));
-			else
-				return $this->getStudiengang($method, $params[0]);
-		}
-		if ($count == 2) {
-			if (is_numeric($params[0]))
-				return $this->getVerband($method, $params[0], $params[1]);
-			elseif ($params[1] == 'prestudent')
-				return $this->terminateWithSuccess($this->getStdSem($method . '/' . $params[0] . '/prestudent/', $method));
-			else
-				return $this->getSemester($method, $params[1], $params[0]);
-		}
-		if ($count == 3 && !is_numeric($params[0]) && is_numeric($params[1]) && !is_numeric($params[2]))
-			return $this->getVerband($method, $params[1], $params[2], $params[0]);
-
-		show_404();
-	}
-
-	/**
-	 * @return void
-	 */
-	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);
-
-		if ($this->permissionlib->isBerechtigt('inout/uebersicht'))
-			$list[] = [
-				'name' => 'International',
-				'link' => 'inout',
-				'children' => [
-					[
-						'name' => 'Incoming',
-						'link' => 'inout/incoming',
-						'leaf' => true
-					],
-					[
-						'name' => 'Outgoing',
-						'link' => 'inout/outgoing',
-						'leaf' => true
-					],
-					[
-						'name' => 'Gemeinsame Studien',
-						'link' => 'inout/gemeinsamestudien',
-						'leaf' => true
-					]
-				]
-			];
-		$this->terminateWithSuccess($list);
-	}
-
-	/**
-	 * @param integer		$studiengang_kz
-	 * @param string		$orgform			(optional)
-	 *
-	 * @return void
-	 */
-	protected function getStudiengang($studiengang_kz, $org_form = null)
-	{
-		$link = $studiengang_kz . '/';
-		if ($org_form !== null)
-			$link .= $org_form . '/';
-
-		$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('semester');
-		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
-		
-		$this->StudiengangModel->addOrder('semester');
-
-		if ($org_form !== null) {
-			$this->StudiengangModel->addSelect("v.orgform_kurzbz");
-			$this->StudiengangModel->db->group_start();
-			$this->StudiengangModel->db->where('v.semester', 0);
-			$this->StudiengangModel->db->or_where('v.orgform_kurzbz', $org_form);
-			$this->StudiengangModel->db->group_end();
-		}
-
-		$result = $this->StudiengangModel->loadWhere([
-			'v.studiengang_kz' => $studiengang_kz,
-			'v.aktiv' => true
-		]);
-		$list = $this->getDataOrTerminateWithError($result);
-
-		array_unshift($list, [
-			'name' => 'PreStudent',
-			'link' => $link . 'prestudent',
-			'no_sem_reload' => true,
-			'stg_kz' => (int)$studiengang_kz,
-			'children' => $this->getStdSem($link . 'prestudent/', $studiengang_kz)
-		]);
-
-		if ($org_form === null) {
-			// NOTE(chris): if mischform show orgforms
-			$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("studiengang_kz AS stg_kz");
-
-					$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);
-	}
-
-	/**
-	 * @param integer		$studiengang_kz
-	 * @param integer		$semester
-	 * @param string		$orgform
-	 *
-	 * @return void
-	 */
-	protected function getSemester($studiengang_kz, $semester, $org_form = null)
-	{
-		$link = $studiengang_kz . '/';
-		if ($org_form !== null)
-			$link .= $org_form . '/';
-		$link .= $semester . '/';
-
-
-		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
-
-		$this->GruppeModel->addDistinct();
-		$this->GruppeModel->addSelect("CONCAT(" . $this->GruppeModel->escape($link . 'grp/') . ", gruppe_kurzbz) AS link", false);
-		$this->GruppeModel->addSelect("CONCAT(gruppe_kurzbz, ' (', bezeichnung, ')') AS name", false);
-		$this->GruppeModel->addSelect("TRUE AS leaf", false);
-
-		$this->GruppeModel->addSelect('sort');
-		$this->GruppeModel->addSelect('gruppe_kurzbz');
-		$this->GruppeModel->addSelect($this->GruppeModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
-
-		$this->GruppeModel->addOrder('sort');
-		$this->GruppeModel->addOrder('gruppe_kurzbz');
-
-		$where = [
-			'studiengang_kz' => $studiengang_kz,
-			'semester' => $semester,
-			'lehre' => true,
-			'sichtbar' => true,
-			'aktiv' => true,
-			'direktinskription' => false
-		];
-
-		if ($org_form !== null)
-			$where['orgform_kurzbz'] = $org_form;
-
-		$result = $this->GruppeModel->loadWhere($where);
-
-		$list = $this->getDataOrTerminateWithError($result);
-
-		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
-		
-		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", verband) AS link", false);
-		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, (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 AND verband=v.verband ORDER BY gruppe LIMIT 1)) AS name", false);
-		$this->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");
-
-		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($semester) . ' AS semester');
-		$this->StudiengangModel->addSelect('verband');
-		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
-		
-		$this->StudiengangModel->addOrder('verband');
-
-		$this->StudiengangModel->addGroupBy('link, name, verband');
-		
-		$where = [
-			'v.studiengang_kz' => $studiengang_kz,
-			'v.semester' => $semester,
-			'v.verband !=' => '',
-			'v.aktiv' => true
-		];
-
-		if ($org_form !== null && $semester) // NOTE(chris): on semester 0 show all?
-			$where['v.orgform_kurzbz'] = $org_form;
-
-		$result = $this->StudiengangModel->loadWhere($where);
-		$result = $this->getDataOrTerminateWithError($result);
-
-		$list = array_merge($list, $result);
-
-		$this->terminateWithSuccess($list);
-	}
-
-	/**
-	 * @param integer		$studiengang_kz
-	 * @param integer		$semester
-	 * @param integer		$verband
-	 * @param string		$orgform
-	 *
-	 * @return void
-	 */
-	protected function getVerband($studiengang_kz, $semester, $verband, $org_form = null)
-	{
-		$link = $studiengang_kz . '/';
-		if ($org_form !== null)
-			$link .= $org_form . '/';
-		$link .= $semester . '/'. $verband . '/';
-
-
-		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
-		
-		$this->StudiengangModel->addDistinct();
-		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", gruppe) AS link", false);
-		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, gruppe, (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 AND verband=v.verband AND gruppe=v.gruppe ORDER BY gruppe LIMIT 1)) AS name", false);
-		$this->StudiengangModel->addSelect("TRUE AS leaf", false);
-
-		$this->StudiengangModel->addSelect('v.semester');
-		$this->StudiengangModel->addSelect('v.verband');
-		$this->StudiengangModel->addSelect('gruppe');
-		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
-		
-		$this->StudiengangModel->addOrder('gruppe');
-
-		$where = [
-			'v.studiengang_kz' => $studiengang_kz,
-			'v.semester' => $semester,
-			'v.verband' => $verband,
-			'v.gruppe !=' => '',
-			'v.aktiv' => true
-		];
-
-		if ($org_form !== null && $semester) // NOTE(chris): on semester 0 show all?
-			$where['v.orgform_kurzbz'] = $org_form;
-
-		$result = $this->StudiengangModel->loadWhere($where);
-
-		$list = $this->getDataOrTerminateWithError($result);
-
-		$this->terminateWithSuccess($list);
-	}
-
-	/**
-	 * @param string		$link
-	 * @param integer		$studiengang_kz
-	 *
-	 * @return array
-	 */
-	protected function getStdSem($link, $studiengang_kz)
-	{
-		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-
-		$this->load->model('system/Variable_model', 'VariableModel');
-		$result = $this->VariableModel->getVariables(getAuthUID(), ['number_displayed_past_studiensemester']);
-		$data = $this->getDataOrTerminateWithError($result);
-
-		$this->load->config('stv');
-		$number_displayed_past_studiensemester_default = $this->config->item('number_displayed_past_studiensemester_default');
-
-		$number_displayed_past_studiensemester = $data['number_displayed_past_studiensemester'] ?? $number_displayed_past_studiensemester_default;
-
-		$this->StudiensemesterModel->addPlusMinus(null, $number_displayed_past_studiensemester);
-		$this->StudiensemesterModel->addOrder('ende');
-		$result = $this->StudiensemesterModel->load();
-
-		$studiensemester = $this->getDataOrTerminateWithError($result);
-		$result = [];
-
-		$studiengang_kz = (int)$studiengang_kz;
-
-		foreach ($studiensemester as $sem) {
-			$semlink = $link . $sem->studiensemester_kurzbz;
-			$intlink = $semlink . '/interessenten';
-			$result[] = [
-				'name' => $sem->studiensemester_kurzbz,
-				'link' => $semlink,
-				'stg_kz' => $studiengang_kz,
-				'children' => [
-					[
-						'name' => 'Interessenten',
-						'link' => $intlink,
-						'stg_kz' => $studiengang_kz,
-						'children' => [
-							[
-								'name' => 'Bewerbung nicht abgeschickt',
-								'link' => $intlink . '/bewerbungnichtabgeschickt',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							],
-							[
-								'name' => 'Bewerbung abgeschickt, Status unbestätigt',
-								'link' => $intlink . '/bewerbungabgeschickt',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							],
-							[
-								'name' => 'ZGV erfüllt',
-								'link' => $intlink . '/zgv',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							],
-							[
-								'name' => 'Status bestätigt',
-								'link' => $intlink . '/statusbestaetigt',
-								'stg_kz' => $studiengang_kz,
-								'children' => [
-									[
-										'name' => 'Nicht zum Reihungstest angemeldet',
-										'link' => $intlink . '/statusbestaetigtrtnichtangemeldet',
-										'leaf' => true
-									],
-									[
-										'name' => 'Reihungstest angemeldet',
-										'link' => $intlink . '/statusbestaetigtrtangemeldet',
-										'leaf' => true
-									]
-								]
-							],
-							[
-								'name' => 'Nicht zum Reihungstest angemeldet',
-								'link' => $intlink . '/reihungstestnichtangemeldet',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							],
-							[
-								'name' => 'Reihungstest angemeldet',
-								'link' => $intlink . '/reihungstestangemeldet',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							]
-						]
-					],
-					[
-						'name' => 'Bewerber',
-						'link' => $semlink . '/bewerber',
-						'stg_kz' => $studiengang_kz,
-						'children' => [
-							[
-								'name' => 'Nicht zum Reihungstest angemeldet',
-								'link' => $intlink . '/bewerberrtnichtangemeldet',
-								'stg_kz' => $studiengang_kz,
-								'leaf' => true
-							],
-							[
-								'name' => 'Reihungstest angemeldet',
-								'link' => $intlink . '/bewerberrtangemeldet',
-								'stg_kz' => $studiengang_kz,
-								'children' => [
-									[
-										'name' => 'Teilgenommen',
-										'link' => $intlink . '/bewerberrtangemeldetteilgenommen',
-										'stg_kz' => $studiengang_kz,
-										'leaf' => true
-									],
-									[
-										'name' => 'Nicht teilgenommen',
-										'link' => $intlink . '/bewerberrtangemeldetnichtteilgenommen',
-										'stg_kz' => $studiengang_kz,
-										'leaf' => true
-									]
-								]
-							]
-						]
-					],
-					[
-						'name' => 'Aufgenommen',
-						'link' => $semlink . '/aufgenommen',
-						'stg_kz' => $studiengang_kz,
-						'leaf' => true
-					],
-					[
-						'name' => 'Warteliste',
-						'link' => $semlink . '/warteliste',
-						'stg_kz' => $studiengang_kz,
-						'leaf' => true
-					],
-					[
-						'name' => 'Absage',
-						'link' => $semlink . '/absage',
-						'stg_kz' => $studiengang_kz,
-						'leaf' => true
-					],
-					[
-						'name' => 'Incoming',
-						'link' => $semlink . '/incoming',
-						'stg_kz' => $studiengang_kz,
-						'leaf' => true
-					]
-				]
-			];
-		}
-
-		return $result;
-	}
-}

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

@@ -0,0 +1,157 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+
+class Config extends FHCAPI_Controller
+{
+	private $_ci;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'get' => ['admin:r', 'assistenz:rw', 'lehre/lvplan:rw'],
+			'getHeader' => ['admin:r', 'assistenz:rw', 'lehre/lvplan:rw'],
+			'set' => ['admin:r', 'assistenz:rw', 'lehre/lvplan:rw'],
+			'updateCollision' => ['admin:r', 'assistenz:rw', 'lehre/lvplan:rw'],
+		]);
+
+		// Load Phrases
+		$this->loadPhrases([
+			'ui',
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_ci->load->model('ressource/Kalenderstatus_model', 'KalenderStatusModel');
+		$this->_ci->load->model('system/Variable_model', 'VariableModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+	}
+
+	public function get()
+	{
+		$config = [];
+
+		$var_array = array(
+			'ignore_kollision',
+			'kollision_student',
+			'ignore_reservierung',
+			'ignore_zeitsperre',
+			'ignore_resources_collisions',
+			'roomless_planning',
+			'priority_room_planning',
+			'dialog_room_planning'
+		);
+		$result = $this->_ci->VariableModel->getVariables(getAuthUID(), $var_array);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$config['ignore_kollision'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'ignore_kollision'),
+			"value" => ($data['ignore_kollision'] ?? 'false') === 'true'
+
+		];
+
+		$config['kollision_student'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'kollision_student'),
+			"value" => ($data['kollision_student'] ?? 'false') === 'true'
+		];
+
+		$config['ignore_reservierung'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'ignore_reservierung'),
+			"value" => ($data['ignore_reservierung'] ?? 'false') === 'true'
+
+		];
+
+		$config['ignore_zeitsperre'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'ignore_zeitsperre'),
+			"value" => ($data['ignore_zeitsperre'] ?? 'false') === 'true'
+		];
+
+		$config['ignore_resources_collisions'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'ignore_resources_collisions'),
+			"value" => ($data['ignore_resources_collisions'] ?? 'false') === 'true'
+		];
+
+		$config['roomless_planning'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'roomless_planning'),
+			"value" => ($data['roomless_planning'] ?? 'false') === 'true'
+		];
+
+		$config['priority_room_planning'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'priority_room_planning'),
+			"value" => ($data['priority_room_planning'] ?? 'false') === 'true'
+		];
+
+		$config['dialog_room_planning'] = [
+			"type"  => "checkbox",
+			"label" => $this->p->t('ui', 'dialog_room_planning'),
+			"value" => ($data['dialog_room_planning'] ?? 'false') === 'true'
+		];
+
+
+		$this->terminateWithSuccess($config);
+	}
+	public function getHeader()
+	{
+		$language = getUserLanguage() == 'German' ? 0 : 1;
+
+		$this->_ci->KalenderStatusModel->addSelect('*, array_to_json(bezeichnung_mehrsprachig::varchar[])->>' . $language .' AS status');
+		$this->_ci->KalenderStatusModel->addOrder('sort');
+		$this->_ci->KalenderStatusModel->db->where_not_in('status_kurzbz', array('archived', 'deleted'));
+		$visible_status = $this->_ci->KalenderStatusModel->load();
+
+		$visible_status = getData($visible_status);
+
+		$config['visible_status']['all'] = 'Alle';
+
+		foreach ($visible_status as $status)
+		{
+			$config['visible_status'][$status->status_kurzbz] = $status->status;
+		}
+
+		$this->terminateWithSuccess($config);
+	}
+
+	public function set()
+	{
+		$configs = array(
+			'ignore_kollision',
+			'kollision_student',
+			'ignore_reservierung',
+			'ignore_zeitsperre',
+			'ignore_resources_collisions',
+			'roomless_planning',
+			'priority_room_planning',
+			'dialog_room_planning'
+		);
+
+		foreach ($configs as $config)
+		{
+			$this->_ci->VariableModel->setVariable(
+				getAuthUID(),
+				$config,
+				$this->input->post($config) === true ? 'true' : 'false'
+			);
+		}
+
+		$this->terminateWithSuccess();
+	}
+
+	public function updateCollision()
+	{
+		$original_ignore = $this->_ci->variablelib->getVar('ignore_kollision');
+		$this->_ci->VariableModel->setVariable(
+			getAuthUID(),
+			'ignore_kollision',
+			$original_ignore === 'true' ? 'false' : 'true'
+		);
+	}
+
+}

application/controllers/api/frontend/v1/tempus/Coursepicker.php

@@ -0,0 +1,276 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Coursepicker extends FHCAPI_Controller
+{
+	private $_ci;
+
+	const ALLOWED_COURSE_FILTER = ['uid', 'stg'];
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getCourses' => 'lehre/lvplan:rw',
+		]);
+
+		$this->_ci = &get_instance();
+		$this->load->library('form_validation');
+
+		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+
+
+		$this->loadPhrases(['ui']);
+	}
+
+	public function getCourses()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('studiensemester_kurzbz',"studiensemester_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$studiensemester_kurzbz = $this->_ci->input->post('studiensemester_kurzbz', TRUE);
+
+		$filter = $this->_checkFilter(self::ALLOWED_COURSE_FILTER);
+
+		$this->_getBasePlan($studiensemester_kurzbz);
+
+		$this->_ci->LehreinheitModel->db->group_start();
+		if (isset($filter->stg))
+			$this->_addStgWhere($filter->stg);
+
+		if (isset($filter->uid))
+		{
+			$uid_array = (array) $filter->uid;
+			$this->_ci->LehreinheitModel->db->or_where_in('tbl_benutzer.uid', $uid_array);
+		}
+
+		$this->_ci->LehreinheitModel->db->group_end();
+
+		$this->_ci->LehreinheitModel->addOrder('lehreinheit_id');
+		$result = $this->_ci->LehreinheitModel->load();
+		$result = hasData($result) ? getData($result) : array();
+		$this->terminateWithSuccess($this->_mapEvents($result));
+	}
+
+	private function _getBasePlan($studiensemester_kurzbz)
+	{
+		$this->_ci->LehreinheitModel->addSelect('
+			tbl_lehreinheit.lehreinheit_id,
+			tbl_lehreinheit.lvnr,
+			tbl_lehreinheit.lehrfach_id,
+			lehrfach.kurzbz AS lehrfach,
+			lehrfach.bezeichnung AS lehrfach_bez,
+			lehrfach.farbe AS lehrfach_farbe,
+			tbl_lehreinheit.lehrform_kurzbz AS lehrform,
+			lema.mitarbeiter_uid AS lektor_uid,
+			ma.kurzbz AS lektor,
+			tbl_person.vorname,
+			tbl_person.nachname,
+			tbl_studiengang.studiengang_kz,
+			upper(tbl_studiengang.typ::character varying::text || tbl_studiengang.kurzbz::text) AS studiengang,
+			lvb.semester,
+			lvb.verband,
+			lvb.gruppe,
+			lvb.gruppe_kurzbz,
+			tbl_lehreinheit.raumtyp,
+			tbl_lehreinheit.raumtypalternativ,
+			tbl_lehreinheit.stundenblockung,
+			tbl_lehreinheit.wochenrythmus,
+			lema.semesterstunden,
+			lema.planstunden,
+			tbl_lehreinheit.start_kw,
+			tbl_lehreinheit.anmerkung,
+			tbl_lehreinheit.studiensemester_kurzbz
+		');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitmitarbeiter lema', 'tbl_lehreinheit.lehreinheit_id = lema.lehreinheit_id');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehreinheitgruppe lvb', 'tbl_lehreinheit.lehreinheit_id = lvb.lehreinheit_id');
+		$this->_ci->LehreinheitModel->addJoin('public.tbl_studiengang', 'lvb.studiengang_kz = tbl_studiengang.studiengang_kz');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung', 'tbl_lehreinheit.lehrveranstaltung_id = tbl_lehrveranstaltung.lehrveranstaltung_id');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung lehrfach', 'tbl_lehreinheit.lehrfach_id = lehrfach.lehrveranstaltung_id');
+		$this->_ci->LehreinheitModel->addJoin('public.tbl_mitarbeiter ma', 'lema.mitarbeiter_uid = ma.mitarbeiter_uid');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrform', 'tbl_lehrform.lehrform_kurzbz = tbl_lehreinheit.lehrform_kurzbz');
+		$this->_ci->LehreinheitModel->addJoin('public.tbl_benutzer', 'ma.mitarbeiter_uid = tbl_benutzer.uid');
+		$this->_ci->LehreinheitModel->addJoin('public.tbl_person', 'tbl_benutzer.person_id = tbl_person.person_id');
+
+		$this->_ci->LehreinheitModel->db->group_start();
+		$this->_ci->LehreinheitModel->db->where('tbl_lehrform.verplanen', true);
+		$this->_ci->LehreinheitModel->db->where('tbl_lehreinheit.studiensemester_kurzbz', $studiensemester_kurzbz);
+		$this->_ci->LehreinheitModel->db->group_end();
+
+	}
+
+	private function _addStgWhere($studiengaenge)
+	{
+		$this->_ci->LehreinheitModel->db->group_start();
+		$first = true;
+		foreach ($studiengaenge as $studiengang)
+		{
+			if ($first)
+				$this->_ci->LehreinheitModel->db->group_start();
+			else
+			{
+				$this->_ci->LehreinheitModel->db->or_group_start();
+			}
+			$first = false;
+
+			$this->_ci->LehreinheitModel->db->where('tbl_lehrveranstaltung.studiengang_kz', $studiengang['stg_kz']);
+
+			if (isset($studiengang['semester']))
+				$this->_ci->LehreinheitModel->db->where('tbl_lehrveranstaltung.semester', $studiengang['semester']);
+
+			if (isset($studiengang['orgform_kurzbz']))
+				$this->_ci->LehreinheitModel->db->where('tbl_lehrveranstaltung.orgform_kurzbz', $studiengang['orgform_kurzbz']);
+
+			$this->_ci->LehreinheitModel->db->group_end();
+		}
+		$this->_ci->LehreinheitModel->db->group_end();
+	}
+
+	private function _mapEvents($result)
+	{
+		$lehreinheit_ids = array_values(array_unique(array_column($result, 'lehreinheit_id')));
+
+		$offen_map = array();
+		if (!empty($lehreinheit_ids))
+		{
+			$offen_result = $this->_ci->LehreinheitModel->getOffeneStunden($lehreinheit_ids);
+			if (hasData($offen_result))
+			{
+				foreach (getData($offen_result) as $row)
+				{
+					$offen_map[$row->lehreinheit_id . '_' . $row->mitarbeiter_uid] = $row;
+				}
+			}
+		}
+
+		$grouped = array();
+
+		foreach ($result as $row)
+		{
+			$lehreinheit_id = $row->lehreinheit_id;
+			if (!isset($grouped[$lehreinheit_id]))
+			{
+				$grouped[$lehreinheit_id] = (object)array(
+					'lehrfach_id' => $row->lehrfach_id,
+					'lehrfach_bez' => $row->lehrfach_bez,
+					'lehrfach_farbe' => $row->lehrfach_farbe,
+					'studiengang_kz' => $row->studiengang_kz,
+					'studiengang' => $row->studiengang,
+					'semester' => $row->semester,
+					'verband' => $row->verband,
+					'gruppe' => $row->gruppe,
+					'gruppe_kurzbz' => $row->gruppe_kurzbz,
+					'raumtyp' => $row->raumtyp,
+					'raumtypalternativ' => $row->raumtypalternativ,
+					'anmerkung' => $row->anmerkung,
+					'studiensemester_kurzbz' => $row->studiensemester_kurzbz,
+					'fachbereich_kurzbz' => isset($row->fachbereich_kurzbz) ? $row->fachbereich_kurzbz : null,
+					'lektoren' => array(),
+					'lehreinheit_id' => $lehreinheit_id,
+					'lvnr' => array(),
+					'lehrfach' => array(),
+					'lehrform' => array(),
+					'stundenblockung' => array(),
+					'wochenrythmus' => array(),
+					'planstunden' => array(),
+					'start_kw' => array(),
+					'verplant' => array(),
+					'offenestunden' => array(),
+					'lehrverband' => array(),
+					'lem' => array(),
+					'verplant_gesamt' => 0,
+				);
+			}
+
+			$group = $grouped[$lehreinheit_id];
+
+			$group->lektoren[$row->lektor_uid] = (object)array(
+				'uid' => $row->lektor_uid,
+				'kurzbz' => trim($row->lektor),
+				'name' => $row->vorname . ' ' . $row->nachname,
+			);
+
+			$group->lvnr[] = $row->lvnr;
+			$group->lehrfach[] = $row->lehrfach;
+			$group->lehrform[] = $row->lehrform;
+			$group->stundenblockung[] = $row->stundenblockung;
+			$group->wochenrythmus[] = $row->wochenrythmus;
+			$group->planstunden[] = $row->planstunden;
+			$group->start_kw[] = $row->start_kw;
+
+			$offen_key = $lehreinheit_id . '_' . $row->lektor_uid;
+			$offen = isset($offen_map[$offen_key]) ? $offen_map[$offen_key] : null;
+			$verplant_wert = $offen ? $offen->verplant : 0;
+			$offenestunden_wert = $offen ? $offen->offenestunden : 0;
+
+			$group->verplant[] = $verplant_wert;
+			$group->offenestunden[] = $offenestunden_wert;
+			$group->verplant_gesamt += $verplant_wert;
+
+			$lvb = $row->studiengang . '-' . $row->semester;
+
+			if ($row->verband != '' && $row->verband != ' ' && $row->verband != '0' && $row->verband != null)
+				$lvb .= $row->verband;
+
+			if ($row->gruppe != '' && $row->gruppe != ' ' && $row->gruppe != '0' && $row->gruppe != null)
+				$lvb .= $row->gruppe;
+
+			$group->lehrverband[] = ($row->gruppe_kurzbz != '' && $row->gruppe_kurzbz != null) ? $row->gruppe_kurzbz : $lvb;
+
+			$group->lem[] = array(
+				'lehreinheit_id' => $row->lehreinheit_id,
+				'mitarbeiter_uid' => $row->lektor_uid,
+			);
+		}
+
+		foreach ($grouped as $group)
+		{
+			$group->lektoren = array_values($group->lektoren);
+			$group->lehrverband = array_values(array_unique($group->lehrverband));
+			$group->lehrfach = $this->_formatArr($group->lehrfach);
+			$group->lehrform = $this->_formatArr($group->lehrform);
+			$group->stundenblockung = $this->_formatArr($group->stundenblockung);
+			$group->wochenrythmus = $this->_formatArr($group->wochenrythmus);
+			$group->planstunden = $this->_formatArr($group->planstunden);
+			$group->start_kw = $this->_formatArr($group->start_kw);
+			$group->verplant = $this->_formatArr($group->verplant);
+			$group->offenestunden = $this->_formatArr($group->offenestunden);
+		}
+		return array_values($grouped);
+	}
+	private function _formatArr($arr)
+	{
+		$values = array_values(array_unique($arr));
+		$formatted = implode(' ', $values);
+
+		if (count($values) > 1)
+			$formatted .= ' ?';
+
+		return $formatted;
+	}
+
+	private function _checkFilter($filters)
+	{
+		$filter_valid = false;
+		$filter_object = new stdClass();
+		foreach ($filters as $filter)
+		{
+			if ($this->_ci->input->post($filter))
+			{
+				$filter_valid = true;
+				$filter_object->$filter = $this->_ci->input->post($filter);
+			}
+		}
+
+		if (!$filter_valid)
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return $filter_object;
+	}
+
+
+}

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

@@ -7,8 +7,8 @@ class Favorites extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'index' => self::PERM_LOGGED,
-			'set' => self::PERM_LOGGED
+			'index' => 'lehre/lvplan:rw',
+			'set' => 'lehre/lvplan:rw'
 		]);
 
 		// Load models
@@ -17,14 +17,14 @@ class Favorites extends FHCAPI_Controller
 
 	public function index()
 	{
-		$result = $this->VariableModel->getVariables(getAuthUID(), ['lv_favorites']);
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['tempus_favorites']);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
 		if (!$data)
 			$this->terminateWithSuccess(null);
 		else
-			$this->terminateWithSuccess(isset($data['lv_favorites']) ? $data['lv_favorites'] : null);
+			$this->terminateWithSuccess(isset($data['tempus_favorites']) ? $data['tempus_favorites'] : null);
 	}
 
 	public function set()
@@ -38,7 +38,7 @@ class Favorites extends FHCAPI_Controller
 
 		$favorites = $this->input->post('favorites');
 
-		$result = $this->VariableModel->setVariable(getAuthUID(), 'lv_favorites', $favorites);
+		$result = $this->VariableModel->setVariable(getAuthUID(), 'tempus_favorites', $favorites);
 
 		$this->getDataOrTerminateWithError($result);
 		

application/controllers/api/frontend/v1/tempus/Info.php

@@ -0,0 +1,37 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Info extends FHCAPI_Controller
+{
+
+	private $_ci;
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getStudiengaenge' => 'lehre/lvplan:rw',
+		]);
+
+		$this->_ci =& get_instance();
+
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->loadPhrases([
+			'ui'
+		]);
+
+	}
+
+	public function getStudiengaenge()
+	{
+		$this->_ci->StudiengangModel->addDistinct();
+		$this->_ci->StudiengangModel->addSelect('studiengang_kz');
+		$this->_ci->StudiengangModel->addSelect("CONCAT(kurzbzlang, ' (', UPPER(CONCAT(typ, kurzbz)), ') - ', tbl_studiengang.bezeichnung) AS name");
+
+		$result = $this->getDataOrTerminateWithError($this->_ci->StudiengangModel->load());
+		$this->terminateWithSuccess($result);
+	}
+}

application/controllers/api/frontend/v1/tempus/Kalender.php

@@ -0,0 +1,514 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Kalender extends FHCAPI_Controller
+{
+
+	private $_ci;
+	const ALLOWED_PLAN_FILTER = ['ort', 'uid', 'stg'];
+	const ALLOWED_ROOM_FILTER = ['lehreinheit_id', 'kalender_id'];
+
+	const ALLOWED_TO_UPDATE = ['start_time', 'end_time', 'orte'];
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getStunden' => 'lehre/lvplan:rw',
+			'getCalendarHours' => 'lehre/lvplan:rw',
+			'getPlan' => 'lehre/lvplan:rw',
+			'getPlanByOrt' => 'lehre/lvplan:rw',
+			'getRaumvorschlag' => 'lehre/lvplan:rw',
+			'getRaumvorschlagSlots' => 'lehre/lvplan:rw',
+			'getLehreinheiten' => 'lehre/lvplan:rw',
+			'getHistory' => 'lehre/lvplan:rw',
+			'deleteEntry' => 'lehre/lvplan:rw',
+			'syncToLecturer' => 'lehre/lvplan:rw',
+			'syncToStudent' => 'lehre/lvplan:rw',
+			'getPlanLecturer' =>'lehre/lvplan:rw',
+			'getPlanStudent' => 'lehre/lvplan:rw',
+			'getZeitwuensche' => 'lehre/lvplan:rw',
+			'getZeitsperren' => 'lehre/lvplan:rw',
+			'updateKalenderEvent' => 'lehre/lvplan:rw',
+			'deleteOrtEntry' => 'lehre/lvplan:rw',
+			'deleteFromKalenderEvent' => 'lehre/lvplan:rw',
+			'addKalenderEvent' => 'lehre/lvplan:rw',
+			'calculateMultiWeekPlan' => 'lehre/lvplan:rw',
+			'confirmMultiWeekPlan' => 'lehre/lvplan:rw',
+			'addToKalenderEvent' => 'lehre/lvplan:rw',
+			'sync' => 'lehre/lvplan:rw',
+		]);
+
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->library('LogLib');
+		$this->_ci->load->library('form_validation');
+		$this->_ci->load->library('KalenderLib');
+		$this->_ci->load->library('KalenderSyncLib');
+		$this->_ci->load->library('RaumvorschlagLib');
+		$this->loadPhrases([
+			'ui'
+		]);
+		$this->_ci->load->config('tempus');
+
+
+		$this->_ci->loglib->setConfigs(array(
+			'classIndex' => 5,
+			'functionIndex' => 5,
+			'lineIndex' => 4,
+			'dbLogType' => 'API', // required
+			'dbExecuteUser' => 'RESTful API'
+		));
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+	/**
+	 * fetches Stunden layout from database
+	 * @access public
+	 *
+	 */
+	public function getStunden()
+	{
+		$this->load->model('ressource/Stunde_model', 'StundeModel');
+
+		$this->_ci->StundeModel->addOrder('stunde', 'ASC');
+		$stunden = $this->_ci->StundeModel->load();
+
+		$stunden = $this->getDataOrTerminateWithError($stunden);
+
+		$this->terminateWithSuccess($stunden);
+	}
+
+	public function getCalendarHours()
+	{
+		$calender_start = $this->_ci->config->item('calendar_start') ?? 7;
+		$calender_end = $this->_ci->config->item('calendar_end') ?? 23;
+
+		$this->terminateWithSuccess(array(
+			'start' => $calender_start,
+			'end' => $calender_end
+		));
+	}
+
+	public function getPlan()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->post('start_date', TRUE);
+		$end_date = $this->_ci->input->post('end_date', TRUE);
+
+		$isCollisionCheckEnabled = $this->_ci->input->post('collisionCheck', TRUE) ?? false;
+		$maxDailyEventLimit = $this->_ci->input->post('maxDailyEventLimit', TRUE) ?? false;
+
+		$filter = $this->_checkFilter(self::ALLOWED_PLAN_FILTER);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForPlanner(
+			$start_date,
+			$end_date,
+			isset($filter->ort) ? $filter->ort : null,
+			isset($filter->uid) ? $filter->uid : null,
+			isset($filter->stg) ? $filter->stg : null,
+			$isCollisionCheckEnabled,
+			$maxDailyEventLimit
+		);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getPlanStudent()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForStudent(
+			$start_date,
+			$end_date
+		);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getPlanLecturer()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForLecturer(
+			$start_date,
+			$end_date
+		);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getPlanByOrt($start_date = null, $end_date = null, $ort = null)
+	{
+		if (!isset($start_date) || !isset($end_date) || !isset($ort))
+		{
+			$this->_ci->form_validation->set_data($_GET);
+			$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+			$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+			$this->_ci->form_validation->set_rules('ort',"ort","required");
+			if($this->_ci->form_validation->run() === FALSE)
+				$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+			$start_date = $this->_ci->input->get('start_date', TRUE);
+			$end_date = $this->_ci->input->get('end_date', TRUE);
+			$ort = $this->_ci->input->get('ort', TRUE);
+		}
+
+		$this->terminateWithSuccess($this->_ci->kalenderlib->getPlanByOrt($start_date, $end_date, $ort));
+	}
+
+	public function getZeitsperren()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+		$this->_ci->form_validation->set_rules('emp',"emp","required");
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+		$emp = $this->_ci->input->get('emp', TRUE);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getZeitsperren($start_date, $end_date, $emp);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getZeitwuensche()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+		$this->_ci->form_validation->set_rules('emp',"emp","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+		$emp = $this->_ci->input->get('emp', TRUE);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getZeitwuensche($start_date, $end_date, $emp);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function updateKalenderEvent()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$updateFields = $this->_checkUpdate($this->_ci->input->post('updatedInfos', TRUE));
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->updateKalenderEvent($kalender_id, $updateFields->orte ?? null,  $updateFields->start_time ?? null,  $updateFields->end_time ?? null, $updateFields->location ?? null);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result),  $result->code);
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function deleteOrtEntry()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+		$result = $this->_ci->kalenderlib->updateOrt($kalender_id, []);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result),  $result->code);
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function getRaumvorschlag()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+
+		$filter = $this->_checkFilter(self::ALLOWED_ROOM_FILTER);
+		$this->terminateWithSuccess($this->_ci->raumvorschlaglib->getVorschlaege($filter->kalender_id));
+	}
+
+	public function getRaumvorschlagSlots()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$lehreinheit_id = $this->_ci->input->get('lehreinheit_id', TRUE);
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+		$this->terminateWithSuccess(getData($this->_ci->raumvorschlaglib->getVorschlaegeSlots($lehreinheit_id, $start_date, $end_date)));
+	}
+
+	public function getLehreinheiten()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
+		$kalender_id = $this->_ci->input->get('kalender_id', TRUE);
+		$result = $this->_ci->kalenderlib->getLehreinheiten($kalender_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function getHistory()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->get('kalender_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->getHistory($kalender_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function deleteEntry()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->deleteEntry($kalender_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function sync()
+	{
+		$result = $this->_ci->kalendersynclib->sync();
+		$this->terminateWithSuccess(getData($result));
+	}
+	public function syncToLecturer()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->updateStatus($kalender_id, 'sync_preview');
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+	public function syncToStudent()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id', "kalender_id", "required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->updateStatus($kalender_id, 'sync_live');
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+	public function addKalenderEvent()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$lehreinheit_id = $this->_ci->input->post('lehreinheit_id', TRUE);
+		$ort_kurzbz = $this->_ci->input->post('ort_kurzbz', TRUE);
+		$start_date = $this->_ci->input->post('start_date', TRUE);
+		$end_date = $this->_ci->input->post('end_date', TRUE);
+		$result = $this->_ci->kalenderlib->addKalenderEvent($start_date, $end_date, $lehreinheit_id, $ort_kurzbz);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function calculateMultiWeekPlan()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$lehreinheit_id = $this->_ci->input->post('lehreinheit_id', TRUE);
+		$ort_kurzbz = $this->_ci->input->post('ort_kurzbz', TRUE);
+		$start_date = $this->_ci->input->post('start_date', TRUE);
+		$end_date = $this->_ci->input->post('end_date', TRUE);
+
+		$result = $this->_ci->kalenderlib->calculateMultiWeekPlan($start_date, $end_date, $lehreinheit_id, $ort_kurzbz);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function confirmMultiWeekPlan()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('plan[]',"plan","required");
+		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$plan = $this->_ci->input->post('plan', TRUE);
+		$lehreinheit_id = $this->_ci->input->post('lehreinheit_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->confirmMultiWeekPlan($plan, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function addToKalenderEvent()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('target_kalender_id',"target_kalender_id","required");
+		$this->_ci->form_validation->set_rules('lehreinheit_id',"lehreinheit_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$target_kalender_id = $this->_ci->input->post('target_kalender_id', TRUE);
+		$lehreinheit_id = $this->_ci->input->post('lehreinheit_id', TRUE);
+
+		$result = $this->_ci->kalenderlib->addToKalenderEvent($target_kalender_id, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+	public function deleteFromKalenderEvent()
+	{
+		$this->_ci->form_validation->set_data($_POST);
+		$this->_ci->form_validation->set_rules('kalender_id',"kalender_id","required");
+		$this->_ci->form_validation->set_rules('lehreinheit_ids[]',"lehreinheit_ids","required");
+
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+		$lehreinheit_ids = $this->_ci->input->post('lehreinheit_ids', TRUE);
+
+		$result = $this->_ci->kalenderlib->deleteFromKalenderEvent($kalender_id, $lehreinheit_ids);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+
+	private function _checkFilter($filters)
+	{
+		$filter_valid = true;
+		$filter_object = new stdClass();
+		foreach ($filters as $filter)
+		{
+			if ($this->_ci->input->post($filter))
+			{
+				$filter_valid = true;
+				$filter_object->$filter = $this->_ci->input->post($filter);
+			}
+		}
+
+		if (!$filter_valid)
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return $filter_object;
+	}
+
+	private function _checkUpdate($updateInfos)
+	{
+		$update_valid = false;
+		$update_object = new stdClass();
+		foreach (self::ALLOWED_TO_UPDATE as $filter)
+		{
+			if (isset($updateInfos[$filter]))
+			{
+				$update_valid = true;
+				$update_object->$filter = $updateInfos[$filter];
+			}
+		}
+
+		if (!$update_valid)
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+
+		return $update_object;
+	}
+}

application/controllers/api/frontend/v1/tempus/KalenderSync.php

@@ -0,0 +1,304 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+
+class KalenderSync extends FHCAPI_Controller
+{
+	private $_ci;
+
+	const ALLOWED_STATUS = ['preview', 'live'];
+	public function __construct()
+	{
+		parent::__construct([
+			'getSyncs' => ['admin:r', 'assistenz:r'],
+			'loadSync' => ['admin:r', 'assistenz:r'],
+			'add' => ['admin:r', 'assistenz:r'],
+			'start' => ['admin:r', 'assistenz:r'],
+			'delete' => ['admin:r', 'assistenz:r'],
+			'updateSync' => ['admin:r', 'assistenz:r'],
+			'getStudienplan' => ['admin:r', 'assistenz:r'],
+			'getSyncStatus' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->loadPhrases([
+			'lehre',
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_ci->load->library('form_validation');
+		$this->_ci->load->model('organisation/Studienplan_model', 'StudienplanModel');
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->_ci->load->model('ressource/Kalendersyncstatus_model', 'KalendersyncstatusModel');
+		$this->_ci->load->model('ressource/Kalenderstatus_model', 'KalenderStatusModel');
+		$this->_ci->load->library('KalenderSyncLib');
+	}
+
+	public function getSyncs()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('studiensemester_kurzbz',"studiensemester_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+		$studiensemester_kurzbz = $this->_ci->input->get('studiensemester_kurzbz', TRUE);
+
+		$language = getUserLanguage() == 'German' ? 0 : 1;
+
+		$this->_ci->KalenderStatusModel->addSelect('tbl_kalender_syncstatus.*, array_to_json(bezeichnung_mehrsprachig::varchar[])->>' . $language .' AS sync_status, tbl_organisationseinheit.bezeichnung as oebezeichnung, tbl_studienplan.bezeichnung as studienplanbezeichnung');
+		$this->_ci->KalenderStatusModel->addJoin('lehre.tbl_kalender_status', 'tbl_kalender_syncstatus.sync_status_kurzbz = tbl_kalender_status.status_kurzbz');
+		$this->_ci->KalenderStatusModel->addJoin('public.tbl_organisationseinheit', 'tbl_kalender_syncstatus.oe_kurzbz = tbl_organisationseinheit.oe_kurzbz');
+		$this->_ci->KalenderStatusModel->addJoin('lehre.tbl_studienplan', 'tbl_kalender_syncstatus.studienplan_id = tbl_studienplan.studienplan_id', 'LEFT');
+		$this->_ci->KalenderStatusModel->addJoin('public.tbl_studiensemester', 'tbl_kalender_syncstatus.studiensemester_kurzbz = tbl_studiensemester.studiensemester_kurzbz');
+		$this->_ci->KalenderStatusModel->addOrder('public.tbl_studiensemester.start', 'DESC');
+
+
+		if ($studiensemester_kurzbz === 'all')
+			$data = $this->_ci->KalendersyncstatusModel->load();
+		else
+			$data = $this->_ci->KalendersyncstatusModel->loadWhere(array('tbl_kalender_syncstatus.studiensemester_kurzbz' => $studiensemester_kurzbz));
+
+		if (isError($data))
+			$this->terminateWithError(getError($data));
+
+		$this->terminateWithSuccess(getData($data));
+	}
+
+	public function delete()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('kalender_syncstatus_id', 'kalender_syncstatus_id', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$kalender_syncstatus_id = $this->input->post('kalender_syncstatus_id');
+
+		$result = $this->_ci->KalendersyncstatusModel->load($kalender_syncstatus_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		if (!hasData($result))
+			$this->terminateWithError($this->p->t('lehre', 'errorDeleting'));
+
+		$del_result = $this->_ci->KalendersyncstatusModel->delete(getData($result)[0]->kalender_syncstatus_id);
+
+		if (isError($del_result))
+			$this->terminateWithError(getError($del_result));
+		$this->terminateWithSuccess($del_result);
+	}
+
+	public function loadSync()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('kalender_syncstatus_id',"kalender_syncstatus_id","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+		$kalender_syncstatus_id = $this->_ci->input->get('kalender_syncstatus_id', TRUE);
+		$data = $this->_ci->KalendersyncstatusModel->loadWhere(array('kalender_syncstatus_id' => $kalender_syncstatus_id));
+		if (isError($data))
+			$this->terminateWithError(getError($data));
+
+		$this->terminateWithSuccess(getData($data)[0]);
+	}
+
+	public function getSyncStatus()
+	{
+		$language = getUserLanguage() == 'German' ? 0 : 1;
+
+		$this->_ci->KalenderStatusModel->addSelect('*, array_to_json(bezeichnung_mehrsprachig::varchar[])->>' . $language .' AS bezeichnung, status_kurzbz');
+		$this->_ci->KalenderStatusModel->db->where_in('status_kurzbz', self::ALLOWED_STATUS);
+		$data = $this->_ci->KalenderStatusModel->load();
+
+		if (isError($data))
+			$this->terminateWithError(getError($data));
+
+		$this->terminateWithSuccess(getData($data));
+	}
+
+
+	public function add()
+	{
+		$formData = $this->input->post('formData');
+
+		$this->_ci->form_validation->set_data($formData);
+
+		$this->_ci->form_validation->set_rules('oe_kurzbz',"oe_kurzbz","required");
+		$this->_ci->form_validation->set_rules('studiensemester_kurzbz',"studiensemester_kurzbz","required");
+		$this->_ci->form_validation->set_rules('sync_status_kurzbz',"sync_status_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$ausbildungssemester = isEmptyString($formData['ausbildungssemester']) ? null : $formData['ausbildungssemester'];
+		$studienplan_id = isEmptyString($formData['studienplan_id']) ? null : $formData['studienplan_id'];
+
+		$existing = $this->_checkIfExist(
+			$formData['oe_kurzbz'],
+			$formData['studiensemester_kurzbz'],
+			$ausbildungssemester,
+			$studienplan_id
+		);
+
+		if (isError($existing))
+			$this->terminateWithError(getError($existing));
+
+		if (hasData($existing))
+		{
+			$this->terminateWithError('Es existiert bereits ein Eintrag.');
+		}
+
+		$result = $this->_ci->KalendersyncstatusModel->insert(
+			array(
+				'oe_kurzbz' => $formData['oe_kurzbz'],
+				'studiensemester_kurzbz' => $formData['studiensemester_kurzbz'],
+				'datum_bis' => $formData['datum_bis'],
+				'studienplan_id' => $studienplan_id,
+				'ausbildungssemester' => $ausbildungssemester,
+				'sync_status_kurzbz' => $formData['sync_status_kurzbz'],
+				'mail' => $formData['mail'],
+				'insertvon' => getAuthUID()
+			)
+		);
+
+		$this->terminateWithSuccess($result);
+	}
+
+
+	public function start()
+	{
+		$formData = $this->input->post('formData');
+
+		$this->_ci->form_validation->set_data($formData);
+
+		$this->_ci->form_validation->set_rules('oe_kurzbz',"oe_kurzbz","required");
+		$this->_ci->form_validation->set_rules('studiensemester_kurzbz',"studiensemester_kurzbz","required");
+		$this->_ci->form_validation->set_rules('sync_status_kurzbz',"sync_status_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$result = $this->_ci->kalendersynclib->runManual($formData['oe_kurzbz'], $formData['studiensemester_kurzbz'], $formData['ausbildungssemester'], $formData['studienplan_id'], $formData['mail'], $formData['datum_bis'], $formData['sync_status_kurzbz']);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+	public function updateSync()
+	{
+		$formData = $this->input->post('formData');
+
+		$this->_ci->form_validation->set_data($formData);
+
+		$this->_ci->form_validation->set_rules('kalender_syncstatus_id',"kalender_syncstatus_id","required");
+		$this->_ci->form_validation->set_rules('oe_kurzbz',"oe_kurzbz","required");
+		$this->_ci->form_validation->set_rules('studiensemester_kurzbz',"studiensemester_kurzbz","required");
+		$this->_ci->form_validation->set_rules('sync_status_kurzbz',"sync_status_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$ausbildungssemester = isEmptyString($formData['ausbildungssemester']) ? null : $formData['ausbildungssemester'];
+		$studienplan_id = isEmptyString($formData['studienplan_id']) ? null : $formData['studienplan_id'];
+
+		$existing = $this->_checkIfExist(
+			$formData['oe_kurzbz'],
+			$formData['studiensemester_kurzbz'],
+			$ausbildungssemester,
+			$studienplan_id,
+			$formData['kalender_syncstatus_id']
+		);
+
+		if (isError($existing))
+			$this->terminateWithError(getError($existing));
+
+		if (hasData($existing))
+		{
+			$this->terminateWithError('Es existiert bereits ein Eintrag.');
+		}
+
+		$this->_ci->KalendersyncstatusModel->update(
+			array('kalender_syncstatus_id' => $formData['kalender_syncstatus_id']),
+			array(
+				'oe_kurzbz' => $formData['oe_kurzbz'],
+				'studiensemester_kurzbz' => $formData['studiensemester_kurzbz'],
+				'datum_bis' => $formData['datum_bis'],
+				'studienplan_id' => $studienplan_id,
+				'ausbildungssemester' => $ausbildungssemester,
+				'sync_status_kurzbz' => $formData['sync_status_kurzbz'],
+				'mail' => $formData['mail'],
+				'updatevon' => getAuthUID(),
+				'updateamum' => date('c'),
+			)
+		);
+	}
+	public function getStudienplan()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('oe_kurzbz',"oe_kurzbz","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$oe_kurzbz = $this->_ci->input->get('oe_kurzbz', TRUE);
+		$studiensemester_kurzbz = $this->_ci->input->get('studiensemester_kurzbz', TRUE);
+		$ausbildungssemester = $this->_ci->input->get('ausbildungssemester', TRUE);
+
+		$this->_ci->StudiengangModel->addJoin('tbl_organisationseinheit', 'oe_kurzbz');
+		$is_studiengang = $this->_ci->StudiengangModel->loadWhere(array('oe_kurzbz' => $oe_kurzbz));
+
+		if (hasData($is_studiengang) && !isEmptyString($studiensemester_kurzbz))
+		{
+			$studiengang = getData($is_studiengang)[0];
+
+			$studienplaene = $this->_ci->StudienplanModel->getStudienplaeneBySemester(
+				$studiengang->studiengang_kz,
+				$studiensemester_kurzbz,
+				isEmptyString($ausbildungssemester) ? null : $ausbildungssemester
+			);
+
+
+			$data = $this->getDataOrTerminateWithError($studienplaene);
+
+			$unique = array();
+			foreach ($data as $row)
+			{
+				$unique[$row->studienplan_id] = (object) array(
+					'studienplan_id' => $row->studienplan_id,
+					'studienordnung_id' => $row->studienordnung_id,
+					'bezeichnung' => $row->bezeichnung,
+					'orgform_kurzbz' => $row->orgform_kurzbz
+				);
+			}
+
+			$this->terminateWithSuccess(array_values($unique));
+		}
+		$this->terminateWithSuccess();
+	}
+
+	private function _checkIfExist($oe_kurzbz, $studiensemester_kurzbz, $ausbildungssemester, $studienplan_id, $kalender_syncstatus_id = null)
+	{
+		$this->_ci->KalendersyncstatusModel->db->where('oe_kurzbz', $oe_kurzbz);
+		$this->_ci->KalendersyncstatusModel->db->where('studiensemester_kurzbz', $studiensemester_kurzbz);
+
+		if (is_null($ausbildungssemester))
+			$this->_ci->KalendersyncstatusModel->db->where('ausbildungssemester IS NULL', null, false);
+		else
+			$this->_ci->KalendersyncstatusModel->db->where('ausbildungssemester', $ausbildungssemester);
+
+		if (is_null($studienplan_id))
+			$this->_ci->KalendersyncstatusModel->db->where('studienplan_id IS NULL', null, false);
+		else
+			$this->_ci->KalendersyncstatusModel->db->where('studienplan_id', $studienplan_id);
+
+		if (!is_null($kalender_syncstatus_id))
+			$this->_ci->KalendersyncstatusModel->db->where('kalender_syncstatus_id !=', $kalender_syncstatus_id);
+		return $this->_ci->KalendersyncstatusModel->load();
+	}
+
+}

application/controllers/api/frontend/v1/tempus/OperationalResourceToCalenderAPI.php

@@ -0,0 +1,84 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class OperationalResourceToCalenderAPI extends FHCAPI_Controller
+{
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'getAssignedResourcesByCalender' => ['admin:r', 'assistenz:r', 'lehre/lvplan:rw'],
+			'storeResourcesToCalendarRelationship' => ['admin:w', 'assistenz:w', 'lehre/lvplan:rw'],
+			'getSchedulableResourcesByCalendar' => ['admin:r', 'assistenz:r', 'lehre/lvplan:rw'],
+		]);
+
+		$this->load->model('ressource/BetriebsmittelKalender_model', 'BetriebsmittelKalenderModel');
+		$this->load->model('ressource/Betriebsmittel_model', 'BetriebsmittelModel');
+		$this->load->model('ressource/Kalender_model', 'KalenderModel');
+
+		$this->load->library('CollisionChecker');
+		$this->load->library('KalenderLib');
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+	public function getSchedulableResourcesByCalendar($calenderID)
+	{ 
+		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'");
+
+		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
+		if (isError($result)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
+ 
+		$calender = $this->getDataOrTerminateWithError($result)[0];
+		if (!isset($calender)) $this->terminateWithError("Calendar with id '$calenderID' not found");
+
+		$result = $this->BetriebsmittelModel->getSchedulableEntriesByDatetimeInterval($calender->von, $calender->bis);
+		$this->terminateWithSuccess($this->getDataOrTerminateWithError($result));
+	}
+
+	public function getAssignedResourcesByCalender($calenderID)
+	{
+		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'");
+
+		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
+		if (empty($result)) $this->terminateWithError("Calendar with id '$calenderID' not found");
+ 
+		$calenderGroupID = $this->getDataOrTerminateWithError($result)[0]->eindeutige_kalender_gruppen_id;
+		if (!isset($calenderGroupID)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
+
+
+		$this->BetriebsmittelKalenderModel->addSelect(['tbl_betriebsmittel_kalender.*', 'tbl_betriebsmittel.beschreibung', 'tbl_betriebsmittel.verplanen']);
+		$this->BetriebsmittelKalenderModel->addJoin('wawi.tbl_betriebsmittel', 'betriebsmittel_id');
+		$result = $this->BetriebsmittelKalenderModel->loadWhere([
+			'eindeutige_kalender_gruppen_id' => $calenderGroupID,
+			'tbl_betriebsmittel.verplanen' => true,
+		]);
+
+		$this->terminateWithSuccess($this->getDataOrTerminateWithError($result));
+	}
+
+	public function storeResourcesToCalendarRelationship()
+	{
+		$calenderID = $this->input->post('kalender_id');
+		$assignedResources = $this->input->post('assignedResources');
+
+		if (!isset($calenderID)) $this->terminateWithError("Missing required parameter 'kalender_id'", 'general');
+		if (!isset($assignedResources)) $this->terminateWithError("Missing required parameter 'assignedResources'", 'general');
+
+		$result = $this->KalenderModel->loadWhere(['kalender_id' => $calenderID]);
+		if (empty($result)) $this->terminateWithError("Calendar with id '$calenderID' not found");
+
+		$calendar = $this->getDataOrTerminateWithError($result)[0];
+		
+		$calenderGroupID = $calendar->eindeutige_kalender_gruppen_id;
+		if (!isset($calenderGroupID)) $this->terminateWithError("Calendar with id '$calenderID' does not have a valid group id");
+
+		$result = $this->kalenderlib->addOperationalResourcesToKalenderEvent($calendar, $assignedResources);
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(['message' => 'Resources assigned successfully']);
+	}
+}

application/controllers/api/frontend/v1/tempus/Reservierung.php

@@ -0,0 +1,233 @@
+<?php
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Reservierung extends FHCAPI_Controller
+{
+	private $_ci;
+
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		parent::__construct([
+			'addReservierung' => 'lehre/lvplan:rw',
+			'getRollen' => 'lehre/lvplan:rw',
+			'getInformation' => 'lehre/lvplan:rw',
+			'getLektor' => 'lehre/lvplan:rw',
+			'searchGroup' => 'lehre/lvplan:rw',
+		]);
+
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->library('LogLib');
+		$this->_ci->load->library('form_validation');
+		$this->_ci->load->library('KalenderLib');
+
+		$this->_ci->load->model('ressource/Ort_model', 'OrtModel');
+		$this->_ci->load->model('ressource/Kalender_Event_Rolle_model', 'KalenderEventRolleModel');
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->_ci->load->model('organisation/gruppe_model', 'GruppeModel');
+
+
+		$this->loadPhrases([
+			'ui'
+		]);
+	}
+
+	//------------------------------------------------------------------------------------------------------------------
+	// Public methods
+
+	public function getInformation()
+	{
+		$return_array = array('berechtigt' => false, 'studiengaenge' => []);
+
+		$this->_ci->OrtModel->db->join("
+					(select ort,standort_id,strasse, plz
+					FROM public.tbl_standort
+					LEFT JOIN public.tbl_adresse USING(adresse_id)
+				) standort", "standort_id", "LEFT", false);
+
+		$raeume = $this->_ci->OrtModel->loadWhere(array('aktiv' => true, 'reservieren' => true));
+		$return_array['raeume'] = hasData($raeume) ? getData($raeume) : [];
+
+		if (!$this->_ci->permissionlib->isBerechtigt('lehre/reservierung'))
+			$this->terminateWithSuccess($return_array);
+
+		$stg_berechtigungen = $this->_ci->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
+		if (isEmptyArray($stg_berechtigungen))
+			$this->terminateWithSuccess($return_array);
+
+		$this->_ci->StudiengangModel->addSelect('studiengang_kz, UPPER(CONCAT(typ, kurzbz)) as kuerzel, kurzbzlang');
+		$this->_ci->StudiengangModel->addOrder('typ, kurzbz');
+		$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $stg_berechtigungen);
+		$studiengaenge = $this->_ci->StudiengangModel->loadWhere(array('aktiv' => true));
+
+		if (isError($studiengaenge))
+			$this->terminateWithError(getError($studiengaenge));
+		$language = getUserLanguage() == 'German' ? 0 : 1;
+		$this->_ci->KalenderEventRolleModel->addOrder('sort');
+		$this->_ci->KalenderEventRolleModel->addSelect('rolle_kurzbz, array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $language. ' as bezeichnung');
+
+		$rollen = $this->_ci->KalenderEventRolleModel->load();
+
+		$this->_ci->StudiensemesterModel->addOrder('start', 'DESC');
+		$studiensemester = $this->_ci->StudiensemesterModel->load();
+
+		$return_array['studiengaenge'] = hasData($studiengaenge) ? getData($studiengaenge) : [];
+		$return_array['berechtigt'] = true;
+		$return_array['rollen'] = hasData($rollen) ? getData($rollen) : [];
+		$return_array['studiensemester'] = hasData($studiensemester) ? getData($studiensemester) : [];
+
+
+		$this->terminateWithSuccess($return_array);
+	}
+	public function getRaeume()
+	{
+
+		$this->_ci->OrtModel->db->join("
+					(select ort,standort_id,strasse, plz
+					FROM public.tbl_standort
+					LEFT JOIN public.tbl_adresse USING(adresse_id)
+				) standort", "standort_id", "LEFT", false);
+
+		$result = $this->_ci->OrtModel->loadWhere(array('aktiv' => true, 'reservieren' => true));
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function searchGroup()
+	{
+		$query = $this->input->get('query');
+		if (is_null($query))
+			$this->terminateWithError($this->_ci->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$stg_berechtigungen = $this->_ci->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
+
+		if (isEmptyArray($stg_berechtigungen))
+			$this->terminateWithSuccess([]);
+
+
+		$query_words = explode(' ', urldecode($query));
+
+		$gruppen_result = $this->_ci->GruppeModel->search($query_words);
+
+		if (isError($gruppen_result))
+			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
+
+		$gruppen_array = array();
+
+		if (hasData($gruppen_result))
+			$gruppen_array = getData($gruppen_result);
+
+		$lehrverband_result = $this->_ci->LehrverbandModel->search($query_words);
+
+		$lehrverband_array = array();
+
+		if (isError($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);
+
+		$gefilterte_gruppen = array_filter($all_gruppen, function($gruppe) use ($stg_berechtigungen)
+		{
+			return in_array($gruppe->studiengang_kz, $stg_berechtigungen);
+		});
+
+		$this->terminateWithSuccess($gefilterte_gruppen);
+	}
+
+	public function getRollen()
+	{
+		$language = getUserLanguage() == 'German' ? 0 : 1;
+
+		$this->_ci->KalenderEventRolleModel->addOrder('sort');
+		$this->_ci->KalenderEventRolleModel->addSelect('rolle_kurzbz, array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $language. ' as bezeichnung');
+
+		$result = $this->_ci->KalenderEventRolleModel->load();
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+	public function addReservierung()
+	{
+		$this->_ci->form_validation->set_rules('titel', "titel", "required", ['required' => $this->p->t('ui', 'error_fieldRequired')]);
+		$this->_ci->form_validation->set_rules('beschreibung', "beschreibung", "required", ['required' => $this->p->t('ui', 'error_fieldRequired')]);
+		$this->_ci->form_validation->set_rules('start_date', "start_date", "required", ['required' => $this->p->t('ui', 'error_fieldRequired')]);
+		$this->_ci->form_validation->set_rules('end_date', "end_date", "required", ['required' => $this->p->t('ui', 'error_fieldRequired')]);
+
+		if ($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$orte = $this->_ci->input->post('orte', TRUE);
+
+		if (empty($orte) || (empty($orte['ort_kurzbz']) && empty($orte['location'])))
+		{
+			$this->terminateWithValidationErrors(['ort_kurzbz' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Raum'])]);
+		}
+
+		$titel = $this->_ci->input->post('titel', TRUE);
+		$beschreibung = $this->_ci->input->post('beschreibung', TRUE);
+		$start_date = $this->_ci->input->post('start_date', TRUE);
+		$end_date = $this->_ci->input->post('end_date', TRUE);
+		$teilnehmer = $this->_ci->input->post('teilnehmer', TRUE);
+		$specialGroups = $this->_ci->input->post('specialGroups', TRUE);
+		$specialFinalGroups = $this->_ci->input->post('specialFinalGroups', TRUE);
+		$groups = $this->_ci->input->post('groups', TRUE);
+
+		if ($this->_ci->permissionlib->isBerechtigt('lehre/reservierung'))
+		{
+			if (empty($teilnehmer) || !is_array($teilnehmer))
+			{
+				$teilnehmer[] = array('uid' => getAuthUID(), 'rolle' => 'organisator');
+			}
+		}
+		else
+			$teilnehmer[] = array('uid' => getAuthUID(), 'rolle' => 'organisator');
+
+
+		$result = $this->_ci->kalenderlib->addReservierung($titel, $beschreibung, $orte, $start_date, $end_date, $teilnehmer, $specialFinalGroups, $specialGroups, $groups);
+
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+
+	public function getLektor()
+	{
+		$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());
+	}
+
+}

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

@@ -0,0 +1,53 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Tags extends Tag_Controller
+{
+	const BERECHTIGUNG_KURZBZ = ['admin:rw', 'assistenz:rw'];
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getTag' => self::BERECHTIGUNG_KURZBZ,
+			'getTags' => self::BERECHTIGUNG_KURZBZ,
+			'getTagsByCalendar' => self::BERECHTIGUNG_KURZBZ,
+			'addTag' => self::BERECHTIGUNG_KURZBZ,
+			'updateTag' => self::BERECHTIGUNG_KURZBZ,
+			'doneTag' => self::BERECHTIGUNG_KURZBZ,
+			'deleteTag' => self::BERECHTIGUNG_KURZBZ
+		]);
+
+	$this->config->load('tempus');
+	}
+
+	public function getTag($readonly_tags = null)
+	{
+		parent::getTag($this->config->item('tempus_tags'));
+	}
+	public function getTags($tags = null)
+	{
+		parent::getTags($this->config->item('tempus_tags'));
+	}
+	public function getTagsByCalendar($eindeutige_kalender_gruppen_id = null)
+	{
+		parent::getTagsByAssignmentTypeValue('eindeutige_kalender_gruppen_id', $eindeutige_kalender_gruppen_id, $this->config->item('tempus_tags'));
+	}
+	public function addTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::addTag(true, $this->config->item('tempus_tags'));
+	}
+	public function updateTag($updatable_tags = null)
+	{
+		parent::updateTag($this->config->item('tempus_tags'));
+	}
+	public function deleteTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::deleteTag(true, $this->config->item('tempus_tags'));
+	}
+	public function doneTag($updatable_tags = null)
+	{
+		parent::doneTag($this->config->item('tempus_tags'));
+	}
+}

application/controllers/api/v1/system/Tag.php

@@ -37,6 +37,7 @@ class Tag extends API_Controller
 
 		if (isset($tag))
 		{
+			$this->TagModel->addJoin('public.tbl_notiz_typ', 'typ_kurzbz', 'typ_kurzbz');
 			$result = $this->TagModel->load($tag);
 
 			$this->response($result, REST_Controller::HTTP_OK);

application/controllers/components/Cis/Mylv.php

@@ -14,11 +14,11 @@ class Mylv extends Auth_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'Student' => ['student/anrechnung_beantragen:r','user:r'], // TODO(chris): permissions?
-			'Studiensemester' => ['student/anrechnung_beantragen:r','user:r'], // TODO(chris): permissions?
-			'Lvs' => ['student/anrechnung_beantragen:r','user:r'], // TODO(chris): permissions?
-			'Info' => ['student/anrechnung_beantragen:r','user:r'], // TODO(chris): permissions?
-			'Pruefungen' => ['student/anrechnung_beantragen:r','user:r'] // TODO(chris): permissions?
+			'Student' => self::PERM_LOGGED,
+			'Studiensemester' => self::PERM_LOGGED,
+			'Lvs' => self::PERM_LOGGED,
+			'Info' => self::PERM_LOGGED,
+			'Pruefungen' => self::PERM_LOGGED
 		]);
 	}
 

application/controllers/components/stv/Studiensemester.php

@@ -1,78 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class Studiensemester extends Auth_Controller
-{
-	public function __construct()
-	{
-		// TODO(chris): access!
-		parent::__construct([
-			'index' => self::PERM_LOGGED,
-			'now' => self::PERM_LOGGED,
-			'set' => self::PERM_LOGGED
-		]);
-	}
-
-	public function index()
-	{
-		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-
-		$this->StudiensemesterModel->addOrder('start');
-
-		$result = $this->StudiensemesterModel->load();
-
-		if (isError($result)) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-		}
-		$this->outputJson($result);
-	}
-
-	public function now()
-	{
-		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
-
-		$result = $this->StudiensemesterModel->getNearest();
-
-		if (isError($result)) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-			$this->outputJson(getError($result));
-		}
-		$result = getData($result) ?: [];
-
-		if (count($result) != 1) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-			$this->outputJsonError(count($result) ? 'Mehrere Studiensemester aktiv' : 'Kein Studiensemester aktiv');
-		} else {
-			$this->outputJsonSuccess(current($result)->studiensemester_kurzbz);
-		}
-	}
-
-	public function set()
-	{
-		$this->load->library('AuthLib');
-		$this->load->library('form_validation');
-
-		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
-
-		$this->form_validation->set_rules('studiensemester', 'Studiensemester', 'required');
-
-		if ($this->form_validation->run() == false) {
-			$this->output->set_status_header(REST_Controller::HTTP_BAD_REQUEST);
-			return $this->outputJsonError($this->form_validation->error_array());
-		}
-
-		$stdsem = $this->input->post('studiensemester');
-
-		$this->load->model('system/Variable_model', 'VariableModel');
-
-		$result = $this->VariableModel->setVariable(getAuthUID(), 'semester_aktuell', $stdsem);
-
-		if (isError($result)) {
-			$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
-			return $this->outputJson($result);
-		}
-
-		$this->outputJsonSuccess(true);
-	}
-}

application/controllers/jobs/AntragJob.php

@@ -125,7 +125,7 @@ class AntragJob extends JOB_Controller
 					$stgLeitungen[$leitung->uid]['stgs'][] = $antrag->studiengang_kz;
 				}
 
-				$result = $this->StudierendenantragModel->getStgAndSem($antrag->studierendenantrag_id);
+				$result = $this->StudierendenantragModel->getStgAndDetails($antrag->studierendenantrag_id);
 				if (isError($result))
 				{
 					$this->logError(getError($result));

application/controllers/jobs/TagJob.php

@@ -0,0 +1,110 @@
+<?php
+
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+use \DateTime as DateTime;
+
+class TagJob extends JOB_Controller
+{
+	/**
+	 * API constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// Configs
+		$this->load->config('stv');
+
+		// Library
+		$this->load->library('TagLib');
+
+		// Load Models
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('system/Notiztyp_model', 'NotiztypModel');
+
+		$this->loadPhrases([
+			'lehre'
+		]);
+	}
+
+	public function rebuildAutomatedTags()
+	{
+		$automatedTagsRes = $this->NotiztypModel->loadWhere(array('automatisiert' => true, 'taglib IS NOT NULL' => null));
+		$automatedTags = hasData($automatedTagsRes) ? getData($automatedTagsRes) : [];
+
+
+		$result = $this->StudiensemesterModel->getAktOrNextSemester();
+		if (isError($result))
+		{
+			$this->logInfo('Start Job rebuild Automated Tags');
+			$this->logError('Error occurred during retrieving studiensemester');
+			return $this->logInfo('End Job rebuild Automated Tags');
+		}
+
+		if (empty($result->retval) || !isset($result->retval[0])) {
+			$this->logInfo('Start Job rebuild Automated Tags');
+			$this->logError('No Studiensemester found');
+			return $this->logInfo('End Job rebuild Automated Tags');
+		}
+		$studiensemester_kurzbz = $result->retval[0]->studiensemester_kurzbz ?? null;
+		$params = array(
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		);
+
+		$this->logInfo('Start Job rebuild Automated Tags ' . $studiensemester_kurzbz);
+		foreach($automatedTags as $autoTag)
+		{
+			// getPath: must not be lost
+			$filePath = APPPATH . 'libraries/' . $autoTag->taglib . '.php'; // APPPATH = application/
+
+			if(file_exists($filePath)) {
+				require_once($filePath);
+			} else {
+				$this->logInfo("File not found: " . $filePath);
+				continue;
+			}
+
+			$kurz_bz = $autoTag->typ_kurzbz;
+			// className without PATH (basename)
+			$className = basename($autoTag->taglib);
+
+			$obj = new $className();
+
+			$outputArray = $obj->getZuordnungIds($params);
+			$typeId = $outputArray->typeId;
+
+			$paramsTag = array(
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'kurzbz' => $kurz_bz,
+				'data' => $outputArray->data,
+				'typeId' => $typeId
+			);
+
+			$result = $this->taglib->updateAutomatedTags($paramsTag);
+
+			if (isError($result)) {
+				$this->logError('Error occurred during updateAutomatedTags ' . $kurz_bz);
+				continue;
+			}
+
+			$data = is_array($result) ? $result['retval'] : $result->retval;
+
+			//SUMMARY
+			$this->logInfo("Tag " . $result->retval['input']['tag'] . " | type_id " . $typeId . " --"
+			. " Count Recycled: " . $result->retval['summary']['recycled']
+			. " Count Added: ".  $result->retval['summary']['added']
+			. " Count Deleted: ".  $result->retval['summary']['deleted']);
+
+			//DETAILS
+			if($result->retval['results']['newTags'])
+				$this->logInfo("Tag " . $result->retval['input']['tag'] . "New tag(s): " .  implode(', ', $result->retval['results']['newTags']));
+			if($result->retval['results']['deletedTagsIds'])
+				$this->logInfo("Tag " . $result->retval['input']['tag'] . "Deleted tags(s: " . implode(', ', $result->retval['results']['deletedTagsIds']));
+			if ($result->retval['results']['retaggedIds'])
+				$this->logInfo("Tag " . $result->retval['input']['tag'] . "Recycled tag(s): " . implode(', ', $result->retval['results']['retaggedIds']));
+		}
+		$this->logInfo( "End Job rebuild Automated Tags");
+	}
+}

application/controllers/jobs/TempusJob.php

@@ -0,0 +1,27 @@
+<?php
+
+if (!defined("BASEPATH")) exit("No direct script access allowed");
+
+class TempusJob extends JOB_Controller
+{
+	private $_ci;
+
+	public function __construct()
+	{
+		parent::__construct();
+
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->helper('hlp_sancho_helper');
+		$this->_ci->load->library('KalenderLib');
+	}
+
+
+	public function sync()
+	{
+		$this->_ci->logInfo('Start job FHC-Core->Tempus->sync');
+		$this->_ci->kalenderlib->sync();
+		$this->_ci->logInfo('End job FHC-Core->Tempus->sync');
+	}
+
+}

application/controllers/js/Tabulatorcolumns.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * Copyright (C) 2026 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 generates javascript from snippets for tabulator columns
+ */
+class Tabulatorcolumns extends Auth_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'stv' => ['admin:r', 'assistenz:r'],
+			'lvverwaltung' => ['admin:r', 'assistenz:r']
+		]);
+	}
+
+	/**
+	 * Render tabulator columns for config
+	 *
+	 * @param string				$config
+	 *
+	 * @return void
+	 */
+	public function _remap($config)
+	{
+		$this->load->config($config);
+		$list_columns = $this->config->item('list_columns') ?: [];
+
+		$snippets = [
+			'jssnippets/tabulatorcolumns/' . $config . '.js'
+		];
+
+		foreach ($list_columns as $col) {
+			$snippets[] = $col['js'];
+		}
+
+		$this->output->set_content_type('application/javascript');
+
+		$this->load->view('jssnippets/tabulatorcolumns.js', [
+			'snippets' => $snippets
+		]);
+	}
+}

application/controllers/lehre/Studierendenantrag.php

@@ -25,7 +25,8 @@ class Studierendenantrag extends FHC_Controller
 
 		// Load language phrases
 		$this->loadPhrases([
-			'studierendenantrag'
+			'studierendenantrag',
+			'ui'
 		]);
 
 		$this->load->config('studierendenantrag');

application/controllers/person/Gradelist.php

@@ -198,7 +198,19 @@ class Gradelist extends Auth_Controller
 			if (!isset($row_noten->found))
 			{
 				$result_lv = $this->LehrveranstaltungModel->load($row_noten->lehrveranstaltung_id);
-				$result_stg = $this->StudiengangModel->load($result_lv->retval[0]->studiengang_kz);
+
+				$studiengang_kz = null;
+
+				if (!empty($result_lv->retval) && isset($result_lv->retval[0]) && isset($result_lv->retval[0]->studiengang_kz))
+				{
+					$result_stg = $this->StudiengangModel->load($result_lv->retval[0]->studiengang_kz);
+
+					if (!empty($result_stg->retval) && isset($result_stg->retval[0]) && is_object($result_stg->retval[0]) && isset($result_stg->retval[0]->kurzbzlang))
+					{
+						$studiengang_kz = $result_stg->retval[0]->kurzbzlang;
+					}
+				}
+
 				$courses['semester'][$row_noten->studiensemester_kurzbz]['lvs_nonstpl'][] = array(
 					'lehrveranstaltung_id' => $row_noten->lehrveranstaltung_id,
 					'lehrtyp_kurzbz' => $result_lv->retval[0]->lehrtyp_kurzbz,
@@ -212,8 +224,8 @@ class Gradelist extends Auth_Controller
 					'semester' => $result_lv->retval[0]->semester,
 					'note' => $row_noten->note,
 					'datum' => $row_noten->benotungsdatum,
-					'zugeordnet' => true,
-					'studiengang_kurzbz' => $result_stg->retval[0]->kurzbzlang
+					'studiengang_kurzbz' => $studiengang_kz,
+					'zugeordnet' => true
 				);
 				if(!isset($courses['semester'][$row_noten->studiensemester_kurzbz]['data']['ectssumme_nonstpl']))
 					$courses['semester'][$row_noten->studiensemester_kurzbz]['data']['ectssumme_nonstpl'] = 0;

application/controllers/system/MigrateKalender.php

@@ -0,0 +1,610 @@
+<?php
+/*
+ * Job zur einmaligen Migration des Stundenplans
+ *
+ * Aufruf
+ * php index.ci.php system/MigrateKalender
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class MigrateKalender extends CLI_Controller
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		$this->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->load->model('ressource/Kalender_Lehreinheit_model', 'KalenderLehreinheitModel');
+		$this->load->model('ressource/Kalender_Ort_model', 'KalenderOrtModel');
+		$this->load->model('ressource/Stundenplandev_Kalender_model', 'SyncModel');
+		$this->load->model('ressource/Reservierung_Kalender_model', 'SyncReservierungModel');
+		$this->load->model('ressource/Kalender_Event_Teilnehmer_model', 'KalenderEventTeilnehmerModel');
+		$this->load->model('ressource/Kalender_Event_model', 'KalenderEventModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	/**
+	 * Everything has a beginning
+	 */
+	public function migrateStundenplan($von, $bis = null, $studiengang_kz = null)
+	{
+		if (is_null($von))
+			return error('Parameter "von" ist erforderlich');
+
+		if (is_null($bis))
+			$bis = '2100-12-31';
+
+		$db = new DB_Model();
+
+		$stpldevsql = '
+			WITH eindeutige_stunden AS (
+				SELECT DISTINCT unr, datum, stunde
+				FROM lehre.tbl_stundenplandev
+				WHERE datum >= ? AND datum <= ?';
+
+		$params = [$von, $bis];
+
+		if (!is_null($studiengang_kz))
+		{
+			$stpldevsql .= ' AND studiengang_kz = ?';
+
+			$params[] = $studiengang_kz;
+		}
+
+		$stpldevsql .= '),
+			
+			block_keys AS (
+				SELECT
+					unr,
+					datum,
+					stunde,
+					stunde - ROW_NUMBER() OVER (PARTITION BY unr, datum ORDER BY stunde) AS block_nr
+				FROM eindeutige_stunden
+			),
+			blocks AS (
+				SELECT
+					bk.unr,
+					bk.datum,
+					bk.block_nr,
+					MIN(bk.stunde) AS stunde_von,
+					MAX(bk.stunde) AS stunde_bis,
+					array_agg(DISTINCT sp.lehreinheit_id) AS lehreinheit_id,
+					array_agg(DISTINCT sp.ort_kurzbz) AS ort_kurzbz,
+					array_agg(sp.stundenplandev_id ORDER BY bk.stunde) AS stundenplandev_ids,
+					MIN(sp.insertamum) AS insertamum,
+					(array_agg(sp.insertvon ORDER BY sp.insertamum ASC))[1] AS insertvon,
+					MAX(sp.updateamum) AS updateamum,
+					(array_agg(sp.updatevon ORDER BY sp.updateamum DESC))[1] AS updatevon
+				FROM block_keys bk JOIN lehre.tbl_stundenplandev sp ON sp.unr = bk.unr AND sp.datum = bk.datum AND sp.stunde = bk.stunde
+				WHERE sp.datum >= ? AND sp.datum <= ?
+				GROUP BY bk.unr, bk.datum, bk.block_nr
+			)
+			SELECT
+				b.stundenplandev_ids,
+				b.unr,
+				b.datum,
+				b.block_nr,
+				b.lehreinheit_id,
+				b.ort_kurzbz,
+				b.datum + stundevon.beginn AS von,
+				b.datum + stundebis.ende AS bis,
+				b.insertamum,
+				b.insertvon,
+				b.updateamum,
+				b.updatevon
+			FROM blocks b
+				JOIN lehre.tbl_stunde stundevon ON stundevon.stunde = b.stunde_von
+				JOIN lehre.tbl_stunde stundebis ON stundebis.stunde = b.stunde_bis
+			ORDER BY b.datum, b.unr, b.block_nr;';
+
+		array_push($params, $von, $bis);
+		$stpldev = $db->execReadOnlyQuery($stpldevsql, $params);
+
+		if (hasData($stpldev))
+		{
+			// Pruefen ob der Eintrag schon in Sync Tabelle vorhanden ist
+			// Wenn neuere Änderungen vorhanden dann Update
+			// Wenn keine Änderungen seit leztem Sync dann Ueberspringen
+			// Wenn noch nicht vorhanden neu anlegen
+			// Danach ggf pruefen welceh Eintraege in der zwischenzeit geloescht wurden und
+			// in der neuen Tabelle auch archivieren oder loeschen
+
+			$data = getData($stpldev);
+			foreach($data as $block)
+			{
+				$ids = is_array($block->stundenplandev_ids) ? $block->stundenplandev_ids : explode(',', $block->stundenplandev_ids);
+				/*$ids = array_map('intval', $ids);*/
+
+				$this->SyncModel->db->group_start();
+				$where_ids_chunks = array_chunk($ids,25);
+				foreach($where_ids_chunks as $where_ids)
+				{
+					$this->SyncModel->db->or_where_in('stundenplandev_id', $where_ids);
+				}
+				$this->SyncModel->db->group_end();
+
+				$sync_result = $this->SyncModel->load();
+
+				if (!hasData($sync_result))
+				{
+					$kalender_id = $this->_insertKalender($block, 'lehreinheit');
+					if ($kalender_id)
+					{
+						$this->_insertSync($block->stundenplandev_ids, $kalender_id);
+					}
+				}
+				else
+				{
+					$syncData = getData($sync_result);
+					$kalender_id = $syncData[0]->kalender_id;
+					$last_sync = $syncData[0]->lastupdate;
+					$synced_ids = array_column($syncData, 'stundenplandev_id');
+
+					if ($block->updateamum > $last_sync)
+					{
+						$this->_updateKalender($kalender_id, $block);
+						$this->_updateSync($synced_ids, $kalender_id);
+					}
+
+					$fehlende = array_diff($block->stundenplandev_ids, $synced_ids);
+					if (!empty($fehlende))
+					{
+						$this->_insertSync($fehlende, $kalender_id);
+					}
+				}
+			}
+		}
+	}
+
+	public function migrateReservierung($von, $bis = null, $ort_kurzbz = null)
+	{
+		if (is_null($von))
+			return error('Parameter "von" ist erforderlich');
+
+		if (is_null($bis))
+			$bis = '2100-12-31';
+
+		$db = new DB_Model();
+
+		$qry = "WITH eindeutige_stunden AS (
+					SELECT DISTINCT titel, beschreibung, datum, stunde
+					FROM campus.tbl_reservierung
+					WHERE datum >= ? AND datum <= ?";
+
+		$params = array($von, $bis);
+
+		if (!is_null($ort_kurzbz))
+		{
+			$qry .= " AND ort_kurzbz = ?";
+			$params[] = $ort_kurzbz;
+		}
+
+		$qry .=	"),
+					block_keys AS (
+						SELECT
+							titel, beschreibung, datum, stunde,
+							stunde - ROW_NUMBER() OVER (PARTITION BY titel, beschreibung, datum ORDER BY stunde) AS block_nr
+						FROM eindeutige_stunden
+					),
+					blocks AS (
+						 SELECT
+							bk.titel,
+							bk.beschreibung,
+							bk.datum,
+							bk.block_nr,
+							MIN(bk.stunde) AS stunde_von,
+							MAX(bk.stunde) AS stunde_bis,
+							array_agg(DISTINCT r.reservierung_id::text) AS reservierung_ids,
+							array_agg(DISTINCT r.uid) AS uids,
+							array_agg(DISTINCT r.gruppe_kurzbz) AS gruppen_kurzbz,
+							array_agg(DISTINCT ROW(r.semester, r.verband, r.gruppe, r.studiengang_kz)::text) AS svg_kombis,
+							array_agg(DISTINCT r.ort_kurzbz) AS ort_kurzbz,
+							MIN(r.studiengang_kz) AS studiengang_kz,
+							MIN(r.reservierung_id) AS reservierung_id,
+							MAX(r.insertamum) AS insertamum,
+							(array_agg(r.insertvon ORDER BY r.insertamum ASC))[1] AS insertvon
+						FROM block_keys bk
+							JOIN campus.tbl_reservierung r
+									ON r.titel = bk.titel AND r.beschreibung = bk.beschreibung AND r.datum = bk.datum AND r.stunde = bk.stunde
+						WHERE r.datum >= ? AND r.datum <= ?
+						GROUP BY bk.titel, bk.beschreibung, bk.datum, bk.block_nr
+					)
+				SELECT
+					b.*,
+					(b.datum + s_von.beginn) AS von,
+					(b.datum + s_bis.ende) AS bis
+				FROM blocks b
+						JOIN lehre.tbl_stunde s_von ON s_von.stunde = b.stunde_von
+						JOIN lehre.tbl_stunde s_bis ON s_bis.stunde = b.stunde_bis
+				ORDER BY b.reservierung_id DESC;";
+
+		array_push($params, $von, $bis);
+		$reservierung_data = $db->execReadOnlyQuery($qry, $params);
+
+
+		if (hasData($reservierung_data))
+		{
+			$data = getData($reservierung_data);
+
+			foreach($data as $block)
+			{
+
+				$ids = is_array($block->reservierung_ids) ? $block->reservierung_ids : explode(',', $block->reservierung_ids);
+
+				$this->SyncReservierungModel->db->group_start();
+				$where_ids_chunks = array_chunk($ids,25);
+				foreach($where_ids_chunks as $where_ids)
+				{
+					$this->SyncReservierungModel->db->or_where_in('reservierung_id', $where_ids);
+				}
+				$this->SyncReservierungModel->db->group_end();
+
+				$sync_result = $this->SyncReservierungModel->load();
+
+				if (!hasData($sync_result))
+				{
+					$kalender_id = $this->_insertKalender($block, 'reservierung');
+					if ($kalender_id)
+					{
+						$this->_insertReservierungSync($block->reservierung_ids, $kalender_id);
+					}
+				}
+				else
+				{
+					$syncData = getData($sync_result);
+					$kalender_id = $syncData[0]->kalender_id;
+					$last_sync = $syncData[0]->lastupdate;
+					$synced_ids = array_column($syncData, 'reservierung_id');
+
+					if ($block->insertamum > $last_sync)
+					{
+						$this->_updateKalender($kalender_id, $block);
+						$this->_updateReservierungSync($synced_ids, $kalender_id);
+					}
+
+					$fehlende = array_diff($block->reservierung_ids, $synced_ids);
+					if (!empty($fehlende))
+					{
+						$this->_insertReservierungSync($fehlende, $kalender_id);
+					}
+				}
+			}
+		}
+	}
+
+	public function migrateStundenplanBetriebsmittelEntries() {
+		$this->setKalendarEntriesGroupIDs();
+		$this->setKalendarEntriesGroupIDsForChildren();
+
+		$dbModel = new DB_Model();
+
+		$deleteOldImportedTempusEntriesQuery = "DELETE from lehre.tbl_betriebsmittel_kalender WHERE quelle != 'tempus_neu' OR quelle IS NULL;";
+		$createHelperTypeQuery = "DO $$
+			BEGIN
+				IF NOT EXISTS (
+					SELECT 1
+					FROM pg_type
+					WHERE typname = 'betriebsmittel_info'
+				) THEN
+					CREATE TYPE betriebsmittel_info AS (
+						betriebsmittel_id bigint,
+						insertamum timestamp,
+						insertvon text
+					);
+				END IF;
+			END $$;";
+		
+		$query = $deleteOldImportedTempusEntriesQuery . 
+				 $createHelperTypeQuery .
+		"WITH test AS (
+			SELECT 
+				tk.eindeutige_kalender_gruppen_id AS eindeutige_kalender_gruppen_id,
+				array_agg(tk.kalender_id),
+				array_agg(
+					ROW(tsb.betriebsmittel_id, tsb.insertamum, tsb.insertvon)::betriebsmittel_info
+				) AS betriebsmittel_data
+			FROM sync.tbl_stundenplandev_kalender AS sk
+			JOIN lehre.tbl_kalender tk ON tk.kalender_id = sk.kalender_id
+			JOIN lehre.tbl_stundenplan_betriebsmittel tsb ON tsb.stundenplandev_id = sk.stundenplandev_id 
+			GROUP BY tk.eindeutige_kalender_gruppen_id 
+			)
+			INSERT INTO lehre.tbl_betriebsmittel_kalender (
+				eindeutige_kalender_gruppen_id, 
+				betriebsmittel_id,
+				insertamum,
+				insertvon
+				)
+			SELECT
+				t.eindeutige_kalender_gruppen_id,
+				bm.betriebsmittel_id,
+				bm.insertamum,
+				bm.insertvon
+			FROM test t
+			CROSS JOIN LATERAL unnest(t.betriebsmittel_data) AS bm
+			ON CONFLICT (eindeutige_kalender_gruppen_id, betriebsmittel_id) DO NOTHING;
+			;";
+
+		$dbModel->db->query($query);
+	}
+
+	private function setKalendarEntriesGroupIDs() {
+		$dbModel = new DB_Model();
+
+		$query = "UPDATE lehre.tbl_kalender
+			SET eindeutige_kalender_gruppen_id = gen_random_uuid()
+			WHERE vorgaenger_kalender_id IS NULL
+			AND eindeutige_kalender_gruppen_id IS NULL;";
+
+		$dbModel->db->query($query);
+
+	}
+
+	private function setKalendarEntriesGroupIDsForChildren() {
+		$dbModel = new DB_Model();
+
+		$query = "WITH RECURSIVE tree AS 
+			(
+				SELECT
+					kalender_id,
+					vorgaenger_kalender_id,
+					kalender_id AS root_id,
+					eindeutige_kalender_gruppen_id as root_eindeutige_kalender_gruppen_id
+				FROM lehre.tbl_kalender
+				WHERE vorgaenger_kalender_id IS NULL
+
+				UNION ALL
+
+				SELECT
+					i.kalender_id,
+					i.vorgaenger_kalender_id,
+					t.root_id,
+					t.root_eindeutige_kalender_gruppen_id 
+				FROM lehre.tbl_kalender i
+				JOIN tree t
+				ON i.vorgaenger_kalender_id = t.kalender_id
+				where i.eindeutige_kalender_gruppen_id is NULL
+			
+			)
+			UPDATE lehre.tbl_kalender k
+			SET eindeutige_kalender_gruppen_id = t.root_eindeutige_kalender_gruppen_id
+			FROM tree t
+			WHERE k.kalender_id = t.kalender_id
+			AND k.eindeutige_kalender_gruppen_id IS NULL;";
+
+		$dbModel->db->query($query);
+	}
+	
+	private function _insertKalender($block, $typ)
+	{
+		$result = $this->KalenderModel->insert(
+			array (
+				'von' => $block->von,
+				'bis' => $block->bis,
+				'typ' => $typ,
+				'status_kurzbz'=> 'live',
+				'insertamum' => $block->insertamum,
+				'insertvon' => $block->insertvon,
+				'updateamum' => $block->updateamum ?? null,
+				'updatevon' => $block->updatevon ?? null
+			)
+		);
+		if(!isSuccess($result))
+			return null;
+
+		$kalender_id = getData($result);
+
+		if ($typ === 'lehreinheit')
+		{
+			$lehreinheit_ids = is_array($block->lehreinheit_id) ? $block->lehreinheit_id : explode(',', $block->lehreinheit_id);
+			foreach ($lehreinheit_ids as $lehreinheit_id)
+			{
+				$leResult = $this->KalenderLehreinheitModel->insert(
+					array (
+						'kalender_id' => $kalender_id,
+						'lehreinheit_id'=> $lehreinheit_id
+					)
+				);
+
+				if (!isSuccess($leResult))
+					return null;
+			}
+		}
+		else if ($typ === 'reservierung')
+		{
+			$eventResult = $this->KalenderEventModel->insert(array(
+				'kalender_id' => $kalender_id,
+				'titel' => $block->titel,
+				'beschreibung' => $block->beschreibung
+			));
+
+			if (!isSuccess($eventResult))
+				return null;
+
+			if ($block->insertvon)
+			{
+				$user = $this->BenutzerModel->load(array('uid' => $block->insertvon));
+
+				if (hasData($user))
+				{
+					$this->KalenderEventTeilnehmerModel->insert(array(
+						'kalender_id' => $kalender_id,
+						'uid' => getData($user)[0]->uid,
+						'rolle_kurzbz' => 'organisator'
+					));
+				}
+			}
+
+			$uids = is_array($block->uids) ? $block->uids : explode(',', $block->uids);
+			foreach ($uids as $uid)
+			{
+				$this->KalenderEventTeilnehmerModel->insert(array(
+					'kalender_id' => $kalender_id,
+					'uid' => $uid,
+					'rolle_kurzbz' => 'teilnehmer'
+				));
+			}
+
+			$semester_range = $this->StudiensemesterModel->getByDateRange($block->von, $block->bis);
+
+			if (isError($semester_range))
+				return null;
+
+			$studiensemester_kurzbz = getData($semester_range)[0]->studiensemester_kurzbz ?? null;
+
+			$gruppen = is_array($block->gruppen_kurzbz) ? $block->gruppen_kurzbz : explode(',', $block->gruppen_kurzbz ?? '');
+
+			foreach ($gruppen as $gruppe_kurzbz)
+			{
+				$gruppe_kurzbz = trim($gruppe_kurzbz);
+				if (!empty($gruppe_kurzbz))
+				{
+					$this->KalenderEventTeilnehmerModel->insert(array(
+						'kalender_id' => $kalender_id,
+						'gruppe_kurzbz' => $gruppe_kurzbz,
+						'studiengang_kz' => $block->studiengang_kz,
+						'studiensemester_kurzbz' => $studiensemester_kurzbz,
+						'rolle_kurzbz' => 'teilnehmer'
+					));
+				}
+			}
+
+			foreach ($block->svg_kombis as $kombi_str)
+			{
+				$kombi_str = trim($kombi_str, '()');
+				list($sem, $verb, $grp, $stg_kz) = explode(',', $kombi_str);
+
+				$sem = trim($sem) === '' ? null : trim($sem);
+				$verb = trim($verb) === '' ? null : trim($verb);
+				$grp = trim($grp) === '' ? null : trim($grp);
+				$stg_kz = trim($stg_kz) === '' ? null : trim($stg_kz);
+
+				if (is_null($sem) && is_null($verb) && is_null($grp) && is_null($stg_kz))
+					continue;
+
+				$this->KalenderEventTeilnehmerModel->insert(array(
+					'kalender_id' => $kalender_id,
+					'studiengang_kz' => $stg_kz,
+					'semester' => $sem,
+					'verband' => $verb,
+					'gruppe' => $grp,
+					'studiensemester_kurzbz' => $studiensemester_kurzbz,
+					'rolle_kurzbz' => 'teilnehmer'
+				));
+			}
+		}
+
+		$orte = is_array($block->ort_kurzbz) ? $block->ort_kurzbz : explode(',', $block->ort_kurzbz ?? '');
+
+		foreach ($orte as $ort)
+		{
+			$ort = trim($ort);
+			if (!empty($ort))
+			{
+				$this->KalenderOrtModel->insert(
+					array (
+						'kalender_id' => $kalender_id,
+						'ort_kurzbz' => $ort
+					)
+				);
+			}
+		}
+
+		return $kalender_id;
+	}
+
+	private function _insertSync($ids, $kalender_id)
+	{
+		foreach($ids as $id)
+		{
+			$this->SyncModel->insert(
+				array (
+					'stundenplandev_id' => $id,
+					'kalender_id' => $kalender_id,
+					'lastupdate' => date('Y-m-d H:i:s')
+				)
+			);
+		}
+	}
+	private function _insertReservierungSync($ids, $kalender_id)
+	{
+
+		foreach($ids as $id)
+		{
+			$this->SyncReservierungModel->insert(
+				array (
+					'reservierung_id' => $id,
+					'kalender_id' => $kalender_id,
+					'lastupdate' => date('Y-m-d H:i:s')
+				)
+			);
+		}
+	}
+
+	private function _updateKalender($kalender_id, $block)
+	{
+		$this->KalenderModel->update(
+			array (
+				'kalender_id' => $kalender_id
+			),
+			array (
+				'von' => $block->von,
+				'bis' => $block->bis,
+				'updateamum'=> $block->updateamum,
+				'updatevon' => $block->updatevon
+			)
+		);
+
+		$orte = is_array($block->ort_kurzbz) ? $block->ort_kurzbz : explode(',', $block->ort_kurzbz ?? '');
+		$orte = array_filter(array_map('trim', $orte));
+
+		$this->KalenderOrtModel->delete(array('kalender_id' => $kalender_id));
+
+		foreach ($orte as $ort)
+		{
+			$this->KalenderOrtModel->insert(
+				array (
+					'kalender_id' => $kalender_id,
+					'ort_kurzbz' => $ort
+				)
+			);
+		}
+	}
+
+	private function _updateSync($ids, $kalender_id)
+	{
+		foreach($ids as $id)
+		{
+			$this->SyncModel->update(
+				array (
+					'stundenplandev_id' => $id,
+					'kalender_id' => $kalender_id
+				),
+				array (
+					'lastupdate' => date('Y-m-d H:i:s')
+				)
+			);
+		}
+	}
+
+	private function _updateReservierungSync($ids, $kalender_id)
+	{
+		foreach($ids as $id)
+		{
+			$this->SyncReservierungModel->update(
+				array (
+					'reservierung_id' => $id,
+					'kalender_id' => $kalender_id
+				),
+				array (
+					'lastupdate' => date('Y-m-d H:i:s')
+				)
+			);
+		}
+	}
+}

application/core/ICollisionCheck.php

@@ -0,0 +1,10 @@
+<?php
+interface ICollisionCheck
+{
+	public function getName();
+
+	public function check($data);
+
+	public function checkAll($kalender_ids);
+
+}

application/core/Tag_Controller.php

@@ -7,7 +7,7 @@ class Tag_Controller extends FHCAPI_Controller
 {
 	private $_uid;
 
-	const BERECHTIGUNG_KURZBZ = 'admin:rw';
+	const BERECHTIGUNG_KURZBZ = ['admin:rw'];
 
 	public function __construct($permissions)
 	{
@@ -15,10 +15,11 @@ class Tag_Controller extends FHCAPI_Controller
 			'getTag' => self::BERECHTIGUNG_KURZBZ,
 			'getTags' => self::BERECHTIGUNG_KURZBZ,
 			'addTag' => self::BERECHTIGUNG_KURZBZ,
-
 			'updateTag' => self::BERECHTIGUNG_KURZBZ,
 			'doneTag' => self::BERECHTIGUNG_KURZBZ,
 			'deleteTag' => self::BERECHTIGUNG_KURZBZ,
+			'getAllTags' => self::BERECHTIGUNG_KURZBZ,
+			'rebuildTagsForTypeId' => self::BERECHTIGUNG_KURZBZ,
 		];
 
 		$merged_permissions = array_merge($default_permissions, $permissions);
@@ -26,6 +27,10 @@ class Tag_Controller extends FHCAPI_Controller
 		parent::__construct($merged_permissions);
 
 		$this->_setAuthUID();
+
+		// Library
+		$this->load->library('TagLib');
+
 		$this->load->model('person/Notiz_model', 'NotizModel');
 		$this->load->model('system/Notiztyp_model', 'NotiztypModel');
 		$this->load->model('person/Notizzuordnung_model', 'NotizzuordnungModel');
@@ -38,6 +43,7 @@ class Tag_Controller extends FHCAPI_Controller
 	public function getTag($readonly_tags = null)
 	{
 		$language = $this->_getLanguageIndex();
+		$index_bezeichnung_mehrsprachig = $language - 1;
 		$id = $this->input->get('id');
 
 		if (is_array($readonly_tags) && !isEmptyArray($readonly_tags))
@@ -62,14 +68,18 @@ class Tag_Controller extends FHCAPI_Controller
 		$this->NotizModel->addSelect(
 			"tbl_notiz.titel, 
 			tbl_notiz.text, 
-			array_to_json(bezeichnung_mehrsprachig::varchar[])->>". $language. " as bezeichnung,
+			array_to_json(bezeichnung_mehrsprachig::varchar[])->>". $index_bezeichnung_mehrsprachig . " as bezeichnung,
 			tbl_notiz.notiz_id,
 			tbl_notiz_typ.style,
+			tbl_notiz_typ.automatisiert,
+			tbl_notiz_typ.prioritaet,
 			tbl_notiz.erledigt as done,
 			tbl_notiz.insertamum,
 			tbl_notiz.updateamum,
 			(verfasserperson.vorname || ' ' || verfasserperson.nachname || ' ' || '(' || verfasserbenutzer.uid || ')') as verfasser,
-			(bearbeiterperson.vorname || ' ' || bearbeiterperson.nachname || ' ' || '(' || bearbeiterbenutzer.uid || ')') as bearbeiter
+			(bearbeiterperson.vorname || ' ' || bearbeiterperson.nachname || ' ' || '(' || bearbeiterbenutzer.uid || ')') as bearbeiter,
+			tbl_notiz.start,
+			tbl_notiz.ende
 			"
 		);
 		$this->NotizModel->addJoin('public.tbl_notiz_typ', 'public.tbl_notiz.typ = public.tbl_notiz_typ.typ_kurzbz');
@@ -82,18 +92,24 @@ class Tag_Controller extends FHCAPI_Controller
 
 		$notiz = $this->NotizModel->loadWhere(array('notiz_id' => $id));
 
+
 		$this->terminateWithSuccess(hasData($notiz) ? getData($notiz)[0] : array());
 	}
 
 	public function getTags($tags = null)
 	{
+		$language = $this->_getLanguageIndex();
+		$index_bezeichnung_mehrsprachig = $language - 1;
+
 		$this->NotiztypModel->addSelect(
-			'typ_kurzbz as tag_typ_kurzbz,
-			array_to_json(bezeichnung_mehrsprachig::varchar[])->>0 as bezeichnung,
+			"typ_kurzbz as tag_typ_kurzbz,
+			array_to_json(bezeichnung_mehrsprachig::varchar[])->>". $index_bezeichnung_mehrsprachig . " as bezeichnung,
 			style,
 			beschreibung,
-			tag
-			'
+			tag,
+			automatisiert,
+			prioritaet
+			"
 		);
 		$this->NotiztypModel->addOrder('prioritaet');
 
@@ -106,7 +122,36 @@ class Tag_Controller extends FHCAPI_Controller
 		$notiztypen = $this->NotiztypModel->loadWhere(array('aktiv' => true));
 		$this->terminateWithSuccess(hasData($notiztypen) ? getData($notiztypen) : array());
 	}
+	public function getTagsByAssignmentTypeValue($zuordnung_typ, $zuordnung_id, $tags = null)
+	{
+		$language = $this->_getLanguageIndex();
+		$index_bezeichnung_mehrsprachig = $language - 1;
 
+		$this->NotizzuordnungModel->addSelect(
+			'tbl_notizzuordnung.notiz_id as notiz_id,
+			typ_kurzbz as tag_typ_kurzbz,
+			array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $index_bezeichnung_mehrsprachig. ' as bezeichnung,
+			style,
+			beschreibung,
+			tag,
+			tbl_notiz.erledigt as done
+			'
+		);
+		
+		if (is_array($tags) && !isEmptyArray($tags))
+		{
+			$tags = $this->_filterTag($tags, false);
+			$this->NotizzuordnungModel->db->where_in('tbl_notiz_typ.typ_kurzbz', $tags);
+		}
+
+		$this->NotizzuordnungModel->addJoin('public.tbl_notiz', 'public.tbl_notizzuordnung.notiz_id = public.tbl_notiz.notiz_id');
+		$this->NotizzuordnungModel->addJoin('public.tbl_notiz_typ', 'public.tbl_notiz.typ = public.tbl_notiz_typ.typ_kurzbz');
+
+		$this->NotizzuordnungModel->addOrder('prioritaet');
+
+		$notiztypen = $this->NotizzuordnungModel->loadWhere(array('aktiv' => true, $zuordnung_typ => $zuordnung_id));
+		$this->terminateWithSuccess(hasData($notiztypen) ? getData($notiztypen) : array());
+	}
 	public function addTag($withZuordnung = true, $updatable_tags = null)
 	{
 		$postData = $this->getPostJson();
@@ -126,7 +171,7 @@ class Tag_Controller extends FHCAPI_Controller
 			if (!in_array($postData->tag_typ_kurzbz, $tags))
 				$this->terminateWithError($this->p->t('ui', 'keineBerechtigung'));
 		}
-
+		
 		if ($withZuordnung)
 		{
 			$return = array();
@@ -135,7 +180,7 @@ class Tag_Controller extends FHCAPI_Controller
 				$this->terminateWithError('Error occurred', self::ERROR_TYPE_GENERAL);
 
 			$values = array_unique($postData->values);
-
+			
 			foreach ($values as $value)
 			{
 				$insertResult = $this->addNotiz($postData);
@@ -271,6 +316,90 @@ class Tag_Controller extends FHCAPI_Controller
 		$this->terminateWithSuccess($deleteNotiz);
 	}
 
+	public function getAllTags($readonly_tags = false)
+	{
+		$language = $this->_getLanguageIndex();
+		$index_bezeichnung_mehrsprachig = $language - 1;
+		$prestudent_id = $this->input->get('prestudent_id');
+
+		if (is_array($readonly_tags) && !isEmptyArray($readonly_tags))
+		{
+			$readonly_tags = $this->_filterTag($readonly_tags, true);
+
+			foreach ($readonly_tags as $key => $tag)
+			{
+				$readonly_tags[$key] = $this->NotizModel->db->escape($tag);
+			}
+			$tags = '(' . implode(',', $readonly_tags) . ')';
+
+			$this->NotizModel->addSelect("
+						CASE
+							WHEN tbl_notiz_typ.typ_kurzbz IN $tags
+							THEN TRUE
+							ELSE FALSE
+						END as readonly
+					");
+		}
+		$this->NotizModel->addSelect(
+			"tbl_notiz.titel,
+			tbl_notiz.text,
+			array_to_json(bezeichnung_mehrsprachig::varchar[])->>". $index_bezeichnung_mehrsprachig . " as bezeichnung,
+			tbl_notiz.notiz_id,
+			tbl_notiz_typ.style,
+			tbl_notiz_typ.automatisiert,
+			tbl_notiz_typ.prioritaet,
+			tbl_notiz.erledigt as done,
+			tbl_notiz.insertamum,
+			tbl_notiz.updateamum,
+			(verfasserperson.vorname || ' ' || verfasserperson.nachname || ' ' || '(' || verfasserbenutzer.uid || ')') as verfasser,
+			(bearbeiterperson.vorname || ' ' || bearbeiterperson.nachname || ' ' || '(' || bearbeiterbenutzer.uid || ')') as bearbeiter,
+			tbl_notiz.start,
+			tbl_notiz.ende
+			"
+		);
+		$this->NotizModel->addJoin('public.tbl_notiz_typ', 'public.tbl_notiz.typ = public.tbl_notiz_typ.typ_kurzbz');
+
+		$this->NotizModel->addJoin('public.tbl_benutzer verfasserbenutzer', 'tbl_notiz.verfasser_uid = verfasserbenutzer.uid', 'LEFT');
+		$this->NotizModel->addJoin('public.tbl_person verfasserperson', 'verfasserbenutzer.person_id = verfasserperson.person_id', 'LEFT');
+
+		$this->NotizModel->addJoin('public.tbl_benutzer bearbeiterbenutzer', 'tbl_notiz.bearbeiter_uid = bearbeiterbenutzer.uid', 'LEFT');
+		$this->NotizModel->addJoin('public.tbl_person bearbeiterperson', 'bearbeiterbenutzer.person_id = bearbeiterperson.person_id', 'LEFT');
+
+		$this->NotizModel->addJoin('public.tbl_notizzuordnung notizzuordnung', 'tbl_notiz.notiz_id = notizzuordnung.notiz_id');
+
+		$this->NotizModel->addOrder('done');
+		$this->NotizModel->addOrder('tbl_notiz_typ.prioritaet');
+		$notiz = $this->NotizModel->loadWhere(array('prestudent_id' => $prestudent_id));
+
+
+		$this->terminateWithSuccess(hasData($notiz) ? getData($notiz) : array());
+	}
+
+	public function rebuildTagsForTypeId()
+	{
+		$ids = $this->input->post('ids');
+		$typeId = $this->input->post('typeId');
+		$semester = $this->input->post('sem');
+
+		$idsSuccess = [];
+		$idsError = [];
+		$outputResult = [];
+
+		foreach ($ids as $id)
+		{
+			$result = $this->taglib->rebuildTagsForTypeId($typeId, $id, $semester);
+
+			if (isError($result))
+				$idsError[] = $id;
+			else
+				$idsSuccess[] = $id;
+
+			$outputResult[] = $result;
+		}
+
+		$this->terminateWithSuccess([$outputResult, $idsSuccess, $idsError]);
+	}
+
 	private function _setAuthUID()
 	{
 		$this->_uid = getAuthUID();
@@ -311,4 +440,4 @@ class Tag_Controller extends FHCAPI_Controller
 		));
 	}
 
-}
+}

application/helpers/hlp_common_helper.php

@@ -570,3 +570,13 @@ function buildDropdownEntryPrintArray($id, $name, $parameterurl, $uid=null, $ord
 		];
 
 }
+
+function generateUUID()
+{
+	$data = openssl_random_pseudo_bytes(16);
+
+	$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
+	$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
+
+	return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
+}

application/helpers/hlp_document_helper.php

@@ -0,0 +1,188 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * 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
+ */
+function gradesDocumentsList()
+{
+	$ci =& get_instance();
+	$ci->load->library('PhrasesLib', array('stv'), 'p');
+
+	$permissioncheck = site_url("api/frontend/v1/documents/permissionAlternativeFormat/{studiengang_kz}");
+
+	$title_ger = $ci->p->t("global", "deutsch");
+	$title_eng = $ci->p->t("global", "englisch");
+	$title_ff = $ci->p->t("stv", "document_certificate");
+	$title_lv = $ci->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 = $ci->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="' . $ci->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="' . $ci->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;
+}

application/helpers/hlp_header_helper.php

@@ -111,7 +111,8 @@ function generateJSDataStorageObject($indexPage, $calledPath, $calledMethod)
 		'theme' => [
 			'name'=>$ci->config->item('theme_name'),
 			'modes'=>$ci->config->item('theme_modes'),
-		]
+		],
+		'domain' => DOMAIN
 	);
 
 	$toPrint = "\n";
@@ -270,6 +271,28 @@ function absoluteJsImportUrl($relurl)
 	return $url;
 }
 
+/*
+ * Generate Css File Include if Extension contains file
+ *
+ * @param $relativeFilePath path relative to Extension public/css dir
+ */
+function generateCSSsIncludeIfExtensionCssExists($relativeFilePath)
+{
+	$fsiterator = new FilesystemIterator(FHCPATH . 'application/extensions');
+	foreach ($fsiterator as $fsitem)
+	{
+		if(preg_match('/^FHC-Core-/', $fsitem->getBasename()))
+		{
+			$extensionfile = 'public/extensions/' . $fsitem->getBasename() 
+				. '/css/' . $relativeFilePath;
+			if(is_readable(FHCPATH . $extensionfile))
+			{
+				generateCSSsInclude($extensionfile);
+			}
+		}
+	}
+}
+
 /*
  * Manipulate CI views includes Array to load
  *   - public/js/FhcApps.js via customJSs and

application/libraries/CollisionChecker.php

@@ -0,0 +1,67 @@
+<?php
+
+defined('BASEPATH') || exit('No direct script access allowed');
+
+use CI3_Events as Events;
+
+class CollisionChecker
+{
+	private $_checks = [];
+
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->library('collision/checks/RoomCollisionCheck');
+		$this->_ci->load->library('collision/checks/LectureCollisionCheck');
+		$this->_ci->load->library('collision/checks/VerbandCollisionCheck');
+		$this->_ci->load->library('collision/checks/StudentCollisionCheck');
+		$this->_ci->load->library('collision/checks/ResourcesCollisionCheck');
+		$this->register($this->_ci->roomcollisioncheck);
+		$this->register($this->_ci->lecturecollisioncheck);
+		$this->register($this->_ci->verbandcollisioncheck);
+		$this->register($this->_ci->studentcollisioncheck);
+		$this->register($this->_ci->resourcescollisioncheck);
+		Events::trigger('collision_register', $this);
+	}
+
+	public function register(ICollisionCheck $check)
+	{
+		$this->_checks[$check->getName()] = $check;
+	}
+
+	public function run($data)
+	{
+		$errors = [];
+
+		foreach ($this->_checks as $check)
+		{
+			$result = $check->check($data);
+
+			if (!empty($result))
+			{
+				$errors = array_merge($errors, $result);
+			}
+		}
+
+		return $errors;
+	}
+
+	public function runAll($kalender_ids)
+	{
+		$results = array_fill_keys($kalender_ids, []);
+
+		foreach ($this->_checks as $check)
+		{
+			$batchResult = $check->checkAll($kalender_ids);
+			foreach ($batchResult as $kalender_id => $errors)
+			{
+				$results[$kalender_id] = array_merge($results[$kalender_id], $errors);
+			}
+		}
+
+		return $results;
+	}
+}

application/libraries/KalenderNotificationLib.php

@@ -0,0 +1,171 @@
+<?php
+
+if (! defined("BASEPATH")) exit("No direct script access allowed");
+
+class KalenderNotificationLib
+{
+	private $_ci;
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->library('MailLib');
+		$this->_ci->load->config('tempus');
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+	}
+
+	public function sendMails($mail_infos)
+	{
+		if (!$this->_ci->config->item('send_update_mails'))
+			return true;
+
+		$lektor_added = array();
+		$lektor_changed = array();
+		$lektor_deleted = array();
+
+		$student_added = array();
+		$student_changed = array();
+		$student_deleted = array();
+
+		foreach ($mail_infos as $info)
+		{
+			$entry = $info['entry'];
+			$new_status = $info['new_status'];
+			$notify = $info['notify'];
+
+			$old_entry = null;
+			if ($entry->vorgaenger_kalender_id)
+			{
+				$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'tbl_kalender.kalender_id = tbl_kalender_ort.kalender_id', 'LEFT');
+				$vorgaenger = $this->_ci->KalenderModel->load(array('tbl_kalender.kalender_id' => $entry->vorgaenger_kalender_id));
+				if (hasData($vorgaenger))
+					$old_entry = getData($vorgaenger)[0];
+			}
+
+			if ($new_status === 'deleted')
+				$row = $this->_buildMailDeleted($entry);
+			else if ($old_entry)
+				$row = $this->_buildMailChanged($old_entry, $entry);
+			else
+				$row = $this->_buildMailNew($entry);
+
+			if (in_array('lektor', $notify))
+			{
+				if ($new_status === 'deleted')
+					$lektor_deleted[] = $row;
+				else if ($old_entry)
+					$lektor_changed[] = $row;
+				else
+					$lektor_added[] = $row;
+			}
+
+			if (in_array('student', $notify))
+			{
+				if ($new_status === 'deleted')
+					$student_deleted[] = $row;
+				else if ($old_entry)
+					$student_changed[] = $row;
+				else
+					$student_added[] = $row;
+			}
+		}
+
+		$lektor_entries = '';
+		$student_entries = '';
+
+		if (!empty($lektor_added))
+			$lektor_entries .= $this->_addToList($lektor_added, 'hinzugefügt') . '<hr/>';
+
+		if (!empty($lektor_changed))
+			$lektor_entries .= $this->_addToList($lektor_changed, 'geändert') . '<hr/>';
+
+		if (!empty($lektor_deleted))
+			$lektor_entries .= $this->_addToList($lektor_deleted, 'gelöscht') . '<hr/>';
+
+		if (!empty($student_added))
+			$student_entries .= $this->_addToList($student_added, 'hinzugefügt') . '<hr/>';
+
+		if (!empty($student_changed))
+			$student_entries .= $this->_addToList($student_changed, 'geändert') . '<hr/>';
+
+		if (!empty($student_deleted))
+			$student_entries .= $this->_addToList($student_deleted, 'gelöscht') . '<hr/>';
+
+		//TODO (david) richtigen Empfänger
+		if (!empty($lektor_entries))
+			$this->_ci->maillib->send('', '[email protected]', 'Lektor Tempus Update', $lektor_entries);
+		if (!empty($student_entries))
+			$this->_ci->maillib->send('', '[email protected]', 'Student Tempus Update', $student_entries);
+	}
+
+	private function _addToList($entries, $status)
+	{
+		return 'Folgende Einträge wurden <b>'. $status .'</b>: <ul>' . implode('', $entries) . '</ul>';
+
+	}
+	private function _buildMailNew($entry)
+	{
+		$von = date('d.m.Y H:i', strtotime($entry->von));
+		$bis = date('H:i', strtotime($entry->bis));
+
+		return '<li>
+					<b>Kalender ID ' . ($entry->kalender_id ?? '-') . '</b>
+					<ul>
+						<li><b>Uhrzeit:</b> ' . $von . ' - ' . $bis . '</li>
+						<li><b>Ort:</b> ' . ($entry->ort_kurzbz ?? '-') . '</li>
+					</ul>
+				</li>';
+	}
+
+	private function _buildMailChanged($old_entry, $new_entry)
+	{
+		$old_von = date('d.m.Y H:i', strtotime($old_entry->von));
+		$old_bis = date('H:i', strtotime($old_entry->bis));
+		$new_von = date('d.m.Y H:i', strtotime($new_entry->von));
+		$new_bis = date('H:i', strtotime($new_entry->bis));
+
+		$old_ort = $old_entry->ort_kurzbz ?? '-';
+		$new_ort = $new_entry->ort_kurzbz ?? '-';
+
+		$uhrzeit_changed = ($old_von . $old_bis) !== ($new_von . $new_bis);
+		$ort_changed = $old_ort !== $new_ort;
+
+		$changes = '';
+
+		if ($uhrzeit_changed)
+		{
+			$changes .= '<li>
+							<b>Uhrzeit:</b>
+							<s style="color:red;">' . $old_von . ' - ' . $old_bis . '</s>
+							<span style="color:green;">' . $new_von . ' - ' . $new_bis . '</span>
+						</li>';
+		}
+
+		if ($ort_changed)
+		{
+			$changes .= '<li>
+				<b>Ort:</b>
+				<s style="color:red;">' . $old_ort . '</s>
+				<span style="color:green;">' . $new_ort . '</span>
+			</li>';
+		}
+
+		return '<li>
+					<b>Kalender ID ' . ($new_entry->kalender_id ?? '-') . '</b>
+					<ul>' . $changes . '</ul>
+				</li>';
+	}
+
+	private function _buildMailDeleted($entry)
+	{
+		$von = date('d.m.Y H:i', strtotime($entry->von));
+		$bis = date('H:i', strtotime($entry->bis));
+
+		return '<li style="color:red;">
+					<b><s>Kalender ID ' . ($entry->kalender_id ?? '-') . '</s></b>
+					<ul>
+						<li><s>' . $von . ' - ' . $bis . '</s></li>
+						<li><s>' . ($entry->ort_kurzbz ?? '-') . '</s></li>
+					</ul>
+				</li>';
+	}
+}

application/libraries/KalenderSyncLib.php

@@ -0,0 +1,429 @@
+<?php
+
+if (! defined("BASEPATH")) exit("No direct script access allowed");
+
+class KalenderSyncLib
+{
+	private $_ci;
+
+	private $status_map = array(
+		'preview' => array('planning', 'sync_preview'),
+		'live' => array('planning', 'sync_preview', 'preview', 'sync_live')
+	);
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->model('ressource/Kalendersyncstatus_model', 'KalendersyncstatusModel');
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		$this->_ci->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
+		$this->_ci->load->library('KalenderLib');
+	}
+
+	public function run($studiensemester_kurzbz)
+	{
+		$this->_ci->KalendersyncstatusModel->db->where('studiensemester_kurzbz', $studiensemester_kurzbz);
+
+		$configs = $this->_ci->KalendersyncstatusModel->load();
+
+		if (isError($configs))
+			return $configs;
+
+		if (!hasData($configs))
+			return success([]);
+
+		$results = [];
+		$mail_infos_gesamt = [];
+
+		foreach (getData($configs) as $config)
+		{
+
+			$ziel_status = isEmptyString($config->sync_status_kurzbz) ? 'live' : $config->sync_status_kurzbz;
+
+			$relevante_stati = array_merge($this->status_map[$ziel_status], array('to_delete', 'to_delete_live', 'to_delete_preview'));
+
+			$kalender_ids_result = $this->getKalenderIds(
+				$config->oe_kurzbz,
+				$config->studiensemester_kurzbz,
+				$relevante_stati,
+				$config->ausbildungssemester,
+				$config->studienplan_id,
+				$config->datum_bis
+			);
+
+			if (isError($kalender_ids_result))
+				return $kalender_ids_result;
+
+			$kalender_ids = getData($kalender_ids_result);
+
+			$sync_result = $this->_syncKalenderIds($kalender_ids, $ziel_status);
+
+			if (isError($sync_result))
+				return $sync_result;
+
+			$sync_data = getData($sync_result);
+
+			if ((bool) $config->mail)
+				$mail_infos_gesamt = array_merge($mail_infos_gesamt, $sync_data['mail_infos']);
+
+			$results[] = [
+				'kalender_syncstatus_id' => $config->kalender_syncstatus_id,
+				'oe_kurzbz' => $config->oe_kurzbz,
+				'ausbildungssemester' => $config->ausbildungssemester,
+				'studienplan_id' => $config->studienplan_id,
+				'ziel_status' => $ziel_status,
+				'mail' => (bool) $config->mail,
+				'synced' => $sync_data['synced']
+			];
+		}
+
+		if (!empty($mail_infos_gesamt))
+		{
+			$this->_ci->load->library('KalenderNotificationLib');
+			$this->_ci->kalendernotificationlib->sendMails($mail_infos_gesamt);
+		}
+
+		return success($results);
+	}
+
+	public function runManual($oe_kurzbz, $studiensemester_kurzbz, $ausbildungssemester = null, $studienplan_id = null, $mail = true, $datum_bis = null, $ziel_status = 'live')
+	{
+		$relevante_stati = array_merge($this->status_map[$ziel_status], array('to_delete', 'to_delete_live', 'to_delete_preview'));
+
+		$kalender_ids_result = $this->getKalenderIds(
+			$oe_kurzbz,
+			$studiensemester_kurzbz,
+			$relevante_stati,
+			$ausbildungssemester,
+			$studienplan_id,
+			$datum_bis
+		);
+
+		if (isError($kalender_ids_result))
+			return $kalender_ids_result;
+
+		$kalender_ids = getData($kalender_ids_result);
+
+		$sync_result = $this->_syncKalenderIds($kalender_ids, $ziel_status);
+
+		if (isError($sync_result))
+			return $sync_result;
+
+		$sync_data = getData($sync_result);
+
+		if ($mail && !empty($sync_data['mail_infos']))
+		{
+			$this->_ci->load->library('KalenderNotificationLib');
+			$this->_ci->kalendernotificationlib->sendMails($sync_data['mail_infos']);
+		}
+
+		return success(['synced' => $sync_data['synced']]);
+	}
+
+	public function sync()
+	{
+		$mail_infos_gesamt = [];
+		$synced_gesamt = 0;
+
+		$todelete_ids_result = $this->_getManuallySetStatus(array('to_delete', 'to_delete_live', 'to_delete_preview'));
+
+		if (isError($todelete_ids_result))
+			return $todelete_ids_result;
+
+		$todelete_result = $this->_syncKalenderIds(getData($todelete_ids_result), null);
+
+		if (isError($todelete_result))
+			return $todelete_result;
+
+		$todelete_data = getData($todelete_result);
+		$mail_infos_gesamt = array_merge($mail_infos_gesamt, $todelete_data['mail_infos']);
+		$synced_gesamt += $todelete_data['synced'];
+
+		$preview_ids_result = $this->_getManuallySetStatus(array('sync_preview'));
+
+		if (isError($preview_ids_result))
+			return $preview_ids_result;
+
+		$preview_result = $this->_syncKalenderIds(getData($preview_ids_result), 'preview');
+
+		if (isError($preview_result))
+			return $preview_result;
+
+		$preview_data = getData($preview_result);
+		$mail_infos_gesamt = array_merge($mail_infos_gesamt, $preview_data['mail_infos']);
+		$synced_gesamt += $preview_data['synced'];
+
+		$live_ids_result = $this->_getManuallySetStatus(array('sync_live'));
+
+		if (isError($live_ids_result))
+			return $live_ids_result;
+
+		$live_result = $this->_syncKalenderIds(getData($live_ids_result), 'live');
+
+		if (isError($live_result))
+			return $live_result;
+
+		$live_data = getData($live_result);
+		$mail_infos_gesamt = array_merge($mail_infos_gesamt, $live_data['mail_infos']);
+		$synced_gesamt += $live_data['synced'];
+
+		if (!empty($mail_infos_gesamt))
+		{
+			$this->_ci->load->library('KalenderNotificationLib');
+			$this->_ci->kalendernotificationlib->sendMails($mail_infos_gesamt);
+		}
+
+		return success(['synced' => $synced_gesamt]);
+	}
+
+	private function _getManuallySetStatus($status_kurzbz_list)
+	{
+		if (empty($status_kurzbz_list))
+			return success([]);
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->db->where_in('status_kurzbz', $status_kurzbz_list);
+		$result = $this->_ci->KalenderModel->load();
+
+		if (isError($result))
+			return $result;
+
+		if (!hasData($result))
+			return success([]);
+
+		return success(array_column(getData($result), 'kalender_id'));
+	}
+
+	public function getKalenderIds($oe_kurzbz, $studiensemester_kurzbz, $status_kurzbz_list, $ausbildungssemester = null, $studienplan_id = null, $datum_bis = null)
+	{
+		if (empty($status_kurzbz_list))
+			return success([]);
+
+		$studiengang_result = $this->_getStudiengang($oe_kurzbz);
+
+		if (isError($studiengang_result))
+			return $studiengang_result;
+
+		$studiengang_kz = getData($studiengang_result);
+
+		if (!hasData($studiengang_result))
+		{
+			$organisationseinheiten = $this->_ci->OrganisationseinheitModel->getChilds($oe_kurzbz);
+			$oe_kurzbz = hasData($organisationseinheiten) ? array_column(getData($organisationseinheiten), 'oe_kurzbz') : [];
+		}
+
+		$this->_ci->KalenderModel->addDistinct('tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit', 'tbl_kalender.kalender_id = tbl_kalender_lehreinheit.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit', 'tbl_kalender_lehreinheit.lehreinheit_id = tbl_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehrveranstaltung', 'tbl_lehreinheit.lehrveranstaltung_id = tbl_lehrveranstaltung.lehrveranstaltung_id');
+
+		if (!is_null($studiengang_kz))
+		{
+			$this->_ci->KalenderModel->db->where('tbl_lehrveranstaltung.studiengang_kz', $studiengang_kz);
+		}
+		else
+		{
+			$this->_ci->KalenderModel->db->where_in('tbl_lehrveranstaltung.oe_kurzbz', $oe_kurzbz);
+		}
+
+		$this->_ci->KalenderModel->db->where('tbl_lehreinheit.studiensemester_kurzbz', $studiensemester_kurzbz);
+		$this->_ci->KalenderModel->db->where_in('tbl_kalender.status_kurzbz', $status_kurzbz_list);
+
+		$this->_ci->KalenderModel->db->where('NOT EXISTS (
+				SELECT 1 FROM lehre.tbl_kalender nachfolger
+				WHERE nachfolger.vorgaenger_kalender_id = tbl_kalender.kalender_id)', null, false);
+
+		if (!is_null($studienplan_id))
+		{
+			$this->_ci->KalenderModel->addJoin('lehre.tbl_studienplan_lehrveranstaltung', 'tbl_lehrveranstaltung.lehrveranstaltung_id = tbl_studienplan_lehrveranstaltung.lehrveranstaltung_id');
+			$this->_ci->KalenderModel->db->where('tbl_studienplan_lehrveranstaltung.studienplan_id', $studienplan_id);
+		}
+
+		if (!is_null($ausbildungssemester))
+			$this->_ci->KalenderModel->db->where('tbl_lehrveranstaltung.semester', $ausbildungssemester);
+
+		if (!is_null($datum_bis))
+		{
+			$end_date = date('Y-m-d', strtotime($datum_bis . ' +1 day'));
+			$this->_ci->KalenderModel->db->where('tbl_kalender.von <', $end_date);
+		}
+
+		$result = $this->_ci->KalenderModel->load();
+
+		if (isError($result))
+			return $result;
+
+		if (!hasData($result))
+			return success([]);
+
+		return success(array_column(getData($result), 'kalender_id'));
+	}
+
+
+	private function _archiveVorgaenger($vorgaenger_kalender_id, $stop_at_live = false)
+	{
+		$return_array = array();
+		if (!$vorgaenger_kalender_id) return success($return_array);
+
+		$current_id = $vorgaenger_kalender_id;
+
+		while ($current_id)
+		{
+			$vorgaenger = $this->_ci->KalenderModel->load(array('kalender_id' => $current_id));
+			if (!hasData($vorgaenger)) return success($return_array);
+
+			$vorgaenger = getData($vorgaenger)[0];
+
+			if ($stop_at_live && $vorgaenger->status_kurzbz === 'live')
+				return success($return_array);
+
+			if (in_array($vorgaenger->status_kurzbz, array('preview', 'live')))
+			{
+				$this->_ci->KalenderModel->update(
+					array('kalender_id' => $current_id),
+					array('status_kurzbz' => 'archived', 'status_kurzbz_max' => $vorgaenger->status_kurzbz)
+				);
+
+				$return_array[] = $vorgaenger;
+			}
+
+			$current_id = $vorgaenger->vorgaenger_kalender_id;
+		}
+		return success($return_array);
+	}
+
+	private function _syncKalenderIds($kalender_ids, $ziel_status)
+	{
+		if (empty($kalender_ids))
+			return success(['synced' => 0, 'mail_infos' => []]);
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.*, tbl_kalender_ort.ort_kurzbz, tbl_kalender_ort.location');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'tbl_kalender.kalender_id = tbl_kalender_ort.kalender_id', 'LEFT');
+		$this->_ci->KalenderModel->db->where_in('tbl_kalender.kalender_id', $kalender_ids);
+		$this->_ci->KalenderModel->addOrder('tbl_kalender.kalender_id', 'DESC');
+		$to_update = $this->_ci->KalenderModel->load();
+
+		if (isError($to_update))
+			return $to_update;
+
+		if (!hasData($to_update))
+			return success(['synced' => 0, 'mail_infos' => []]);
+
+		$mail_infos = [];
+		$synced = 0;
+
+		foreach (getData($to_update) as $entry)
+		{
+			if (in_array($entry->status_kurzbz, array('to_delete', 'to_delete_live', 'to_delete_preview')))
+			{
+				$notify = array();
+				if ($entry->status_kurzbz === 'to_delete_live')
+				{
+					$status_max = 'live';
+					$notify = array('lektor', 'student');
+				}
+				else if ($entry->status_kurzbz === 'to_delete_preview')
+				{
+					$status_max = 'preview';
+					$notify = array('lektor');
+				}
+				else if ($entry->status_kurzbz === 'to_delete')
+				{
+					$status_max = 'planning';
+				}
+
+				$this->_ci->KalenderModel->update(array('kalender_id' => $entry->kalender_id), array('status_kurzbz' => 'deleted', 'status_kurzbz_max' => $status_max));
+				$mail_infos[] = array('entry' => $entry, 'new_status' => 'deleted', 'notify' => $notify);
+
+				$vorgaenger_array = $this->_archiveVorgaenger($entry->vorgaenger_kalender_id);
+
+
+
+				if (hasData($vorgaenger_array))
+				{
+					foreach(getData($vorgaenger_array) as $vorgaenger)
+					{
+						$archive_notify = array();
+
+						if ($vorgaenger->status_kurzbz === 'preview')
+							$archive_notify = array('lektor');
+						else if ($vorgaenger->status_kurzbz === 'live')
+						{
+							$archive_notify = array('student', 'lektor');
+
+							$history = $this->_ci->kalenderlib->getHistory($vorgaenger->kalender_id, false, false);
+							if (hasData($history))
+							{
+								$history = getData($history);
+
+								foreach ($history as $entry)
+								{
+									if ($entry->status_kurzbz === 'deleted' && $entry->status_kurzbz_max === 'preview')
+									{
+										$archive_notify = array('student');
+										break;
+									}
+								}
+							}
+						}
+
+						$mail_infos[] = array('entry' => $vorgaenger, 'new_status' => 'deleted', 'notify' => $archive_notify);
+					}
+				}
+
+				$synced++;
+				continue;
+			}
+
+			if ($ziel_status === 'preview' && in_array($entry->status_kurzbz, array('planning', 'sync_preview')))
+			{
+				$this->_ci->KalenderModel->update(array('kalender_id' => $entry->kalender_id), array('status_kurzbz' => 'preview'));
+				$this->_archiveVorgaenger($entry->vorgaenger_kalender_id, true);
+				$mail_infos[] = array('entry' => $entry, 'new_status' => 'preview', 'notify' => array('lektor'));
+				$synced++;
+				continue;
+			}
+
+			if ($ziel_status === 'live' && in_array($entry->status_kurzbz, array('planning', 'sync_preview', 'sync_live')))
+			{
+				$this->_ci->KalenderModel->update(array('kalender_id' => $entry->kalender_id), array('status_kurzbz' => 'live'));
+				$this->_archiveVorgaenger($entry->vorgaenger_kalender_id, false);
+				$mail_infos[] = array('entry' => $entry, 'new_status' => 'live', 'notify' => array('lektor', 'student'));
+				$synced++;
+				continue;
+			}
+
+			if ($ziel_status === 'live' && $entry->status_kurzbz === 'preview')
+			{
+				$current = getData($this->_ci->KalenderModel->load(array('kalender_id' => $entry->kalender_id)))[0];
+				if ($current->status_kurzbz === 'archived')
+					continue;
+
+				$this->_ci->KalenderModel->update(array('kalender_id' => $entry->kalender_id), array('status_kurzbz' => 'live'));
+				$this->_archiveVorgaenger($entry->vorgaenger_kalender_id, false);
+				$mail_infos[] = array('entry' => $entry, 'new_status' => 'live', 'notify' => array('lektor', 'student'));
+				$synced++;
+			}
+		}
+
+		return success(['synced' => $synced, 'mail_infos' => $mail_infos]);
+	}
+
+
+	private function _getStudiengang($oe_kurzbz)
+	{
+		$this->_ci->StudiengangModel->addJoin('tbl_organisationseinheit', 'oe_kurzbz');
+		$result = $this->_ci->StudiengangModel->loadWhere(array('oe_kurzbz' => $oe_kurzbz));
+
+		if (isError($result))
+			return $result;
+
+		if (!hasData($result))
+			return success(null);
+
+		return success(getData($result)[0]->studiengang_kz);
+	}
+}

application/libraries/LektorLib.php

@@ -17,7 +17,12 @@ class LektorLib
 		$this->_ci->load->model('organisation/Organisationseinheit_model', 'OrganisationseinheitModel');
 		$this->_ci->load->model('ressource/mitarbeiter_model', 'MitarbeiterModel');
 		$this->_ci->load->model('person/Benutzer_model', 'BenutzerModel');
+		$this->_ci->load->model('ressource/Zeitsperre_model', 'ZeitsperreModel');
+		$this->_ci->load->model('ressource/Reservierung_model', 'ReservierungModel');
+		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
+
 		$this->_ci->load->library('PhrasesLib', array('lehre'));
+		$this->_ci->load->library('VariableLib', ['uid' => getAuthUID()]);
 	}
 
 	public function addLektorToLehreinheit($lehreinheit_id, $mitarbeiter_uid)
@@ -78,10 +83,13 @@ class LektorLib
 
 	public function updateLektorFromLehreinheit($lehreinheit_id, $mitarbeiter_uid, $new_data)
 	{
+		$old_uid = $mitarbeiter_uid;
+		$new_uid = isset($new_data['mitarbeiter_uid']) ? $new_data['mitarbeiter_uid'] : $mitarbeiter_uid;
+
 		$this->_ci->LehreinheitmitarbeiterModel->addSelect('lehre.tbl_lehreinheitmitarbeiter.*, lehre.tbl_lehreinheit.studiensemester_kurzbz, tbl_lehrveranstaltung.studiengang_kz');
 		$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id');
 		$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehrveranstaltung', 'lehrveranstaltung_id');
-		$lehreinheit_result = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $mitarbeiter_uid));
+		$lehreinheit_result = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $old_uid));
 
 		if (isError($lehreinheit_result)) return $lehreinheit_result;
 
@@ -89,27 +97,47 @@ class LektorLib
 
 		$lehreinheit = getData($lehreinheit_result)[0];
 
+		$semesterstunden_alt = $lehreinheit->semesterstunden;
+		$semesterstunden_neu = isset($new_data['semesterstunden']) ? $new_data['semesterstunden'] : $semesterstunden_alt;
+		$bismelden_neu = isset($new_data['bismelden']) ? $new_data['bismelden'] : $lehreinheit->bismelden;
+		$neue_stunden_eingerechnet = (bool)$bismelden_neu;
+		$alte_stunden_eingerechnet = (bool)$lehreinheit->bismelden;
+		$stundenplan_update = false;
 
-		//TODO kollision check, wird vorerst nicht implementiert -> nur über das FAS möglich
-		if (isset($new_data['mitarbeiter_uid']) && $new_data['mitarbeiter_uid'] !== $mitarbeiter_uid)
+		if ($old_uid !== $new_uid)
 		{
-			$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
-			$this->_ci->StundenplandevModel->addGroupBy('stundenplandev_id');
-			$this->_ci->StundenplandevModel->addGroupBy('mitarbeiter_uid');
-			$this->_ci->StundenplandevModel->addGroupBy('mitarbeiter_uid');
-			$verplant = $this->_ci->StundenplandevModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $mitarbeiter_uid));
-
-			if (hasData($verplant))
-				return error($this->_ci->phraseslib->t("lehre", "lektorbereitsverplant"));
-
-			$lehreinheit_data = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('mitarbeiter_uid' => $new_data['mitarbeiter_uid'], 'lehreinheit_id' => $lehreinheit_id));
+			$lehreinheit_data = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('mitarbeiter_uid' => $new_uid, 'lehreinheit_id' => $lehreinheit_id));
 
 			if (hasData($lehreinheit_data))
 				return error($this->_ci->phraseslib->t("lehre", "bereitzugeteilt"));
 
+			$this->_ci->StundenplandevModel->addGroupBy('stundenplandev_id');
+			$this->_ci->StundenplandevModel->addGroupBy('mitarbeiter_uid');
+			$verplant = $this->_ci->StundenplandevModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $old_uid));
+
+			if (hasData($verplant))
+			{
+				$kollision = $this->hasKollision(getData($verplant), $new_uid);
+
+				$ignore_kollision = $this->_ci->variablelib->getVar('ignore_kollision');
+
+				if ($kollision === false || $ignore_kollision == 'true')
+				{
+					$stundenplan_update = true;
+				}
+				else if (is_array($kollision))
+				{
+					return error( "Änderung fehlgeschlagen! Die Änderung des Lektors führt zu ".count($kollision)." Kollision(en) im LV-Plan. Deaktivieren Sie die Kollisionspruefung oder wenden Sie sich an die LV-Planung!\n zB. $kollision[0]");
+				}
+				else
+				{
+					return error($kollision);
+				}
+			}
 		}
+
 		$warning = '';
-		if (isset($new_data['semesterstunden']))
+		if (($semesterstunden_neu !== '' && $semesterstunden_alt !== '') && (($semesterstunden_neu > $semesterstunden_alt) || $neue_stunden_eingerechnet))
 		{
 			$studiengang_result = $this->_ci->StudiengangModel->loadWhere(array('studiengang_kz' => $lehreinheit->studiengang_kz));
 			if (isError($studiengang_result)) return $studiengang_result;
@@ -120,7 +148,7 @@ class LektorLib
 			if (isError($studiensemester_result)) return $studiensemester_result;
 			$studiensemester = getData($studiensemester_result)[0];
 
-			$echter_dv_result = $this->_ci->DienstverhaeltnisModel->existsDienstverhaeltnis($mitarbeiter_uid, $studiensemester->start, $studiensemester->ende, 'echterdv');
+			$echter_dv_result = $this->_ci->DienstverhaeltnisModel->existsDienstverhaeltnis($new_uid, $studiensemester->start, $studiensemester->ende, 'echterdv');
 
 			$echter_dv = false;
 
@@ -129,83 +157,81 @@ class LektorLib
 				$echter_dv = true;
 			}
 
-			$neue_stunden_eingerechnet = isset($new_data['bismelden']) ? $new_data['bismelden'] : $lehreinheit->bismelden;
-			$alte_stunden_eingerechnet = $lehreinheit->bismelden;
+			$stundengrenze_result = $this->_ci->OrganisationseinheitModel->getStundengrenze($studiengang->oe_kurzbz, $echter_dv);
+			if (isError($stundengrenze_result)) return $stundengrenze_result;
 
-			if (($new_data['semesterstunden'] > $lehreinheit->semesterstunden) || $neue_stunden_eingerechnet)
+			$stundengrenze = getData($stundengrenze_result)[0];
+
+			$oe_result = $this->_ci->OrganisationseinheitModel->getChilds($stundengrenze->oe_kurzbz);
+			$oe_array = hasData($oe_result) ? array_column(getData($oe_result), 'oe_kurzbz') : array();
+
+			$semesterstunden_alt_sql = is_null($semesterstunden_alt) ? 0 : $semesterstunden_alt;
+			$semesterstunden_neu_sql = is_null($semesterstunden_neu) ? 0 : $semesterstunden_neu;
+
+			if ($alte_stunden_eingerechnet && $neue_stunden_eingerechnet)
+				$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) - ($semesterstunden_alt_sql) + {$this->_ci->LehreinheitmitarbeiterModel->db->escape($semesterstunden_neu_sql)}) as summe");
+			else if ($alte_stunden_eingerechnet && !$neue_stunden_eingerechnet)
+				$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) - ($semesterstunden_alt_sql)) as summe");
+			else if (!$alte_stunden_eingerechnet && $neue_stunden_eingerechnet)
+				$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) + ({$this->_ci->LehreinheitmitarbeiterModel->db->escape($semesterstunden_neu_sql)})) as summe");
+			else if (!$alte_stunden_eingerechnet && !$neue_stunden_eingerechnet)
+				$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden)) as summe");
+
+			$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id');
+			$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehrveranstaltung', 'lehrveranstaltung_id');
+			$this->_ci->LehreinheitmitarbeiterModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+
+			$this->_ci->LehreinheitmitarbeiterModel->db->where('mitarbeiter_uid', $new_uid);
+			$this->_ci->LehreinheitmitarbeiterModel->db->where('studiensemester_kurzbz', $lehreinheit->studiensemester_kurzbz);
+			$this->_ci->LehreinheitmitarbeiterModel->db->where('bismelden', true);
+			$this->_ci->LehreinheitmitarbeiterModel->db->where('lower(mitarbeiter_uid) NOT LIKE', '_dummy%');
+
+			if (count($oe_array) > 0)
 			{
-				$stundengrenze_result = $this->_ci->OrganisationseinheitModel->getStundengrenze($studiengang->oe_kurzbz, $echter_dv);
-				if (isError($stundengrenze_result)) return $stundengrenze_result;
-
-				$stundengrenze = getData($stundengrenze_result)[0];
-
-				$oe_result = $this->_ci->OrganisationseinheitModel->getChilds($stundengrenze->oe_kurzbz);
-				$oe_array = hasData($oe_result) ? array_column(getData($oe_result), 'oe_kurzbz') : array('');
-
-				if ($alte_stunden_eingerechnet && $neue_stunden_eingerechnet)
-					$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) - ($lehreinheit->semesterstunden) + {$this->_ci->LehreinheitmitarbeiterModel->db->escape($new_data['semesterstunden'])}) as summe");
-				else if ($alte_stunden_eingerechnet && !$neue_stunden_eingerechnet)
-					$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) - ($lehreinheit->semesterstunden)) as summe");
-				else if (!$alte_stunden_eingerechnet && $neue_stunden_eingerechnet)
-					$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden) + ({$this->_ci->LehreinheitmitarbeiterModel->db->escape($new_data['semesterstunden'])})) as summe");
-				else if (!$alte_stunden_eingerechnet && !$neue_stunden_eingerechnet)
-					$this->_ci->LehreinheitmitarbeiterModel->addSelect("(SUM(tbl_lehreinheitmitarbeiter.semesterstunden)) as summe");
-
-				$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id');
-				$this->_ci->LehreinheitmitarbeiterModel->addJoin('lehre.tbl_lehrveranstaltung', 'lehrveranstaltung_id');
-				$this->_ci->LehreinheitmitarbeiterModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
-
-				$this->_ci->LehreinheitmitarbeiterModel->db->where('mitarbeiter_uid', (isset($new_data['mitarbeiter_uid']) ? $new_data['mitarbeiter_uid'] : $mitarbeiter_uid));
-				$this->_ci->LehreinheitmitarbeiterModel->db->where('studiensemester_kurzbz', $lehreinheit->studiensemester_kurzbz);
-				$this->_ci->LehreinheitmitarbeiterModel->db->where('bismelden', true);
-				$this->_ci->LehreinheitmitarbeiterModel->db->where('lower(mitarbeiter_uid) NOT LIKE', '_dummy%');
-
 				$this->_ci->LehreinheitmitarbeiterModel->db->where_in('tbl_studiengang.oe_kurzbz', $oe_array);
+			}
 
+			if(defined('FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE')
+				&& is_array(FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE)
+				&& count(FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE) > 0)
+			{
+				$this->_ci->LehreinheitmitarbeiterModel->db->where_not_in('tbl_studiengang.oe_kurzbz', FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE);
+			}
 
-				if(defined('FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE')
-					&& is_array(FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE)
-					&& count(FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE) > 0)
+			$summe_result = $this->_ci->LehreinheitmitarbeiterModel->load();
+
+			if (isError($summe_result)) return $summe_result;
+
+			if (!hasData($summe_result)) return error('Fehler beim Ermitteln der Gesamtstunden');
+
+			$summe = getData($summe_result)[0]->summe;
+
+			if ($summe > $stundengrenze->stunden)
+			{
+				if (!$echter_dv && (!$this->_ci->permissionlib->isBerechtigt('admin')))
 				{
-					$this->_ci->LehreinheitmitarbeiterModel->db->where_not_in('tbl_studiengang.oe_kurzbz', FAS_LV_LEKTORINNENZUTEILUNG_STUNDEN_IGNORE_OE);
+					if (!$this->LehrauftragAufFirma($new_uid))
+						return error("ACHTUNG: Die maximal erlaubte Semesterstundenanzahl des Lektors von $summe Stunden ($stundengrenze->stunden) wurde ueberschritten!\nDaten wurden NICHT gespeichert!\n\n");
+				}
+				else
+				{
+					$warning .= "ACHTUNG: Die maximal erlaubte Semesterstundenanzahl des Lektors von $summe Stunden ($stundengrenze->stunden) wurde ueberschritten!\nDaten wurden gespeichert!\n\n";
 				}
 
-				$summe_result = $this->_ci->LehreinheitmitarbeiterModel->load();
+				$stunden_limit_result = $this->getStundenInstitut($new_uid, $lehreinheit->studiensemester_kurzbz, $oe_array);
 
-				if (isError($summe_result)) return $summe_result;
-
-				if (!hasData($summe_result)) return error('Fehler beim Ermitteln der Gesamtstunden');
-
-				$summe = getData($summe_result)[0]->summe;
-
-				if ($summe > $stundengrenze->stunden)
+				if (hasData($stunden_limit_result))
 				{
-
-					if (!$echter_dv && (!$this->_ci->permissionlib->isBerechtigt('admin')))
+					$stunden_limit_array = getData($stunden_limit_result);
+					foreach ($stunden_limit_array as $stunden_limit)
 					{
-						if (!$this->LehrauftragAufFirma(isset($formData['mitarbeiter_uid']) ? $formData['mitarbeiter_uid'] : $mitarbeiter_uid))
-							return error("ACHTUNG: Die maximal erlaubte Semesterstundenanzahl des Lektors von $summe Stunden ($stundengrenze->stunden) wurde ueberschritten!\nDaten wurden NICHT gespeichert!\n\n");
-					}
-					else
-					{
-						$warning .= "ACHTUNG: Die maximal erlaubte Semesterstundenanzahl des Lektors von $summe Stunden ($stundengrenze->stunden) wurde ueberschritten!\nDaten wurden gespeichert!\n\n";
-					}
-
-					$stunden_limit_result = $this->getStundenInstitut($mitarbeiter_uid, $lehreinheit->studiensemester_kurzbz, $oe_array);
-
-					if (hasData($stunden_limit_result))
-					{
-						$stunden_limit_array = getData($stunden_limit_result);
-						foreach ($stunden_limit_array as $stunden_limit)
-						{
-							$warning .= $stunden_limit->summe . ' Stunden ' . $stunden_limit->bezeichnung . "\n";
-						}
+						$warning .= $stunden_limit->summe . ' Stunden ' . $stunden_limit->bezeichnung . "\n";
 					}
 				}
 			}
 		}
 
-		$benutzer_result = $this->_ci->BenutzerModel->load(array(isset($formData['mitarbeiter_uid']) ? $formData['mitarbeiter_uid'] : $mitarbeiter_uid));
+		$benutzer_result = $this->_ci->BenutzerModel->load(array($new_uid));
 
 		if (isError($benutzer_result)) return $benutzer_result;
 
@@ -227,12 +253,23 @@ class LektorLib
 			'bismelden'
 		);
 
+		$nullable_fields = array('stundensatz', 'semesterstunden', 'planstunden');
+
 		$updateData = array();
 		foreach ($updatableFields as $field)
 		{
-			$value = isset($new_data[$field]) ? $new_data[$field] : null;
+			if (!array_key_exists($field, $new_data))
+			{
+				continue;
+			}
 
-			if ($value !== null)
+			$value = $new_data[$field];
+
+			if (in_array($field, $nullable_fields))
+			{
+				$updateData[$field] = $value;
+			}
+			elseif ($value !== null)
 			{
 				$updateData[$field] = $value;
 			}
@@ -240,10 +277,24 @@ class LektorLib
 		$updateData['updatevon'] = getAuthUID();
 		$updateData['updateamum'] = date('Y-m-d H:i:s');
 
-		$result = $this->_ci->LehreinheitmitarbeiterModel->update(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $mitarbeiter_uid), $updateData);
+		$result = $this->_ci->LehreinheitmitarbeiterModel->update(array('lehreinheit_id' => $lehreinheit_id, 'mitarbeiter_uid' => $old_uid), $updateData);
 
 		if (isError($result)) return $result;
 
+		if ($stundenplan_update)
+		{
+			$update_result = $this->_ci->StundenplandevModel->update([
+				'lehreinheit_id' => $lehreinheit_id,
+				'mitarbeiter_uid' => $old_uid,
+			], [
+				'mitarbeiter_uid' => $new_uid,
+				'updateamum' => date('Y-m-d H:i:s'),
+				'updatevon' => getAuthUID()
+			]);
+
+			if (isError($update_result)) return $update_result;
+		}
+
 		if ($warning !== '') return success(['warning' => $warning]);
 
 		return success('Erfolgreich geupdated');
@@ -347,4 +398,52 @@ class LektorLib
 		$this->_ci->LehreinheitmitarbeiterModel->addGroupBy('tbl_studiengang.bezeichnung');
 		return $this->_ci->LehreinheitmitarbeiterModel->load();
 	}
+
+	private function hasKollision($stunden, $mitarbeiter)
+	{
+		$kollision = array();
+
+		$ignore_zeitsperre = $this->_ci->variablelib->getVar('ignore_zeitsperre');
+		$ignore_reservierung = $this->_ci->variablelib->getVar('ignore_reservierung');
+
+		foreach ($stunden as $stunde)
+		{
+			$stundenplan_result = $this->_ci->StundenplandevModel->lektorHasStundenplandevEintrag($mitarbeiter, $stunde->datum, $stunde->stunde);
+
+			if (isError($stundenplan_result))
+				return $stundenplan_result;
+
+			if (hasData($stundenplan_result))
+			{
+				$stundenplan_result = getData($stundenplan_result)[0];
+				$kollision[] = "Kollision stundenplandev: $stundenplan_result->stundenplandev_id|$stundenplan_result->lektor|$stundenplan_result->ort_kurzbz|$stundenplan_result->stg_kurzbz-$stundenplan_result->semester$stundenplan_result->verband$stundenplan_result->gruppe$stundenplan_result->gruppe_kurzbz - $stundenplan_result->datum/$stundenplan_result->stunde";
+			}
+			else
+			{
+				if ($ignore_zeitsperre == 'false' && (!defined('KOLLISIONSFREIE_USER') || !in_array($mitarbeiter, unserialize(KOLLISIONSFREIE_USER))))
+				{
+					$zeitsperre_result = $this->_ci->ZeitsperreModel->checkIfZeitsperreExists($mitarbeiter, $stunde->datum, $stunde->stunde);
+
+					if (hasData($zeitsperre_result))
+					{
+						$zeitsperre_result = getData($zeitsperre_result)[0];
+						$kollision[] = "Kollision (Zeitsperre): $zeitsperre_result->zeitsperre_id|$zeitsperre_result->mitarbeiter_uid|$zeitsperre_result->zeitsperretyp_kurzbz - $zeitsperre_result->vondatum/$zeitsperre_result->vonstunde|$zeitsperre_result->bisdatum/$zeitsperre_result->bisstunde";
+					}
+				}
+
+				if ($ignore_reservierung == 'false' && (!defined('KOLLISIONSFREIE_USER') || !in_array($mitarbeiter, unserialize(KOLLISIONSFREIE_USER))))
+				{
+					$reservierung_result = $this->_ci->ReservierungModel->lektorHasReservierung($mitarbeiter, $stunde->datum, $stunde->stunde);
+
+					if (hasData($reservierung_result))
+					{
+						$reservierung_result = getData($reservierung_result)[0];
+						$kollision[] = "Kollision (Reservierung): $reservierung_result->reservierung_id|$reservierung_result->uid|$reservierung_result->ort_kurzbz|$reservierung_result->stg_kurzbz-$reservierung_result->semester$reservierung_result->verband$reservierung_result->gruppe$reservierung_result->gruppe_kurzbz - $reservierung_result->datum/$reservierung_result->stunde";
+					}
+				}
+			}
+		}
+
+		return isEmptyArray($kollision) ? false : $kollision;
+	}
 }

application/libraries/RaumvorschlagLib.php

@@ -0,0 +1,563 @@
+<?php
+
+if (! defined("BASEPATH")) exit("No direct script access allowed");
+
+use CI3_Events as Events;
+
+class RaumvorschlagLib
+{
+	private $_ci;
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->model('ressource/Kalender_Lehreinheit_model', 'KalenderLehreinheitModel');
+		$this->_ci->load->model('ressource/Kalender_Event_model', 'KalenderEventModel');
+		$this->_ci->load->model('ressource/Kalender_Event_Teilnehmer_model', 'KalenderEventTeilnehmerModel');
+		$this->_ci->load->model('ressource/Kalender_Ort_model', 'KalenderOrtModel');
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->_ci->load->model('education/LehreinheitMitarbeiter_model', 'LehreinheitMitarbeiterModel');
+		$this->_ci->load->model('ressource/Ort_model', 'OrtModel');
+		$this->_ci->load->model('organisation/gruppe_model', 'GruppeModel');
+		$this->_ci->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+		$this->_ci->load->model('ressource/Zeitsperre_model', 'ZeitsperreModel');
+		$this->_ci->load->model('ressource/Stunde_model', 'StundeModel');
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+
+		$this->_ci->load->library('CollisionChecker');
+		$this->_ci->load->library('KalenderLib');
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+	}
+
+
+	public function getVorschlaege($kalender_id)
+	{
+		$event = $this->_ci->kalenderlib->getByKalenderId($kalender_id);
+		$event = $event[0];
+		return $this->_getVorschlaegeForEvent($event);
+	}
+
+	public function getVorschlaegeByLehreinheit($lehreinheit_id, $von, $bis)
+	{
+		$teilnehmer = $this->_getLehreinheitTeilnehmer($lehreinheit_id);
+
+		$event = (object) [
+			'kalender_id' => null,
+			'lehreinheit_id' => [$lehreinheit_id],
+			'isostart' => (new DateTime($von))->format('c'),
+			'isoend' => (new DateTime($bis))->format('c'),
+			'datum' => (new DateTime($von))->format('Y-m-d'),
+			'lektor' => $teilnehmer->lektor_data,
+			'gruppe' => $teilnehmer->gruppen_data,
+		];
+
+		return $this->_getVorschlaegeForEvent($event);
+	}
+
+	public function getVorschlaegeSlots($lehreinheit_id, $start_date, $end_date)
+	{
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+		if (!hasData($lehreinheit_result))
+			return error('Lehreinheit nicht gefunden');
+		$lehreinheit = getData($lehreinheit_result)[0];
+
+		$block = $lehreinheit->stundenblockung;
+		if ($block <= 0)
+			return error('Stundenblockung ist ungültig');
+
+		$this->_ci->StundeModel->addOrder('stunde', 'ASC');
+		$stunden_result = $this->_ci->StundeModel->load();
+		$stunden = hasData($stunden_result) ? array_values(getData($stunden_result)) : [];
+
+		if (empty($stunden))
+			return error('Kein Stunden-Raster gefunden');
+
+		$teilnehmer = $this->_getLehreinheitTeilnehmer($lehreinheit_id);
+		$grp = $this->_splitGruppen($teilnehmer->gruppen_data);
+		$lektor_uids = array_column($teilnehmer->lektor_data, 'mitarbeiter_uid');
+
+		$verplante_events = $this->_ci->kalenderlib->getForRaumvorschlag(
+			$start_date,
+			$end_date,
+			$lektor_uids,
+			$grp->gruppen_kurzbz,
+			$grp->lehrverband_gruppen
+		);
+
+		$start_day = strtotime($start_date);
+		$end_day = strtotime($end_date);
+
+		$moegliche_slots = array();
+
+		$verplante_zeitsperren = $this->_getZeitsperen($start_date, $end_date, $lektor_uids);
+		while ($start_day <= $end_day)
+		{
+			$tag = date('Y-m-d', $start_day);
+
+			$verplante_tages_events = array_values(array_filter($verplante_events, function($event) use ($tag)
+			{
+				return $event->datum === $tag;
+			}));
+
+			foreach ($stunden as $index => $start_stunde)
+			{
+				if (!isset($stunden[$index + $block - 1]))
+					continue;
+
+				$end_stunde = $stunden[$index + $block - 1];
+
+				$slot_start = $tag . ' ' . $start_stunde->beginn;
+				$slot_end = $tag . ' ' . $end_stunde->ende;
+
+				if (!$this->_isFrei($slot_start, $slot_end, $verplante_zeitsperren, $lektor_uids, 'lektor'))
+					continue;
+
+				if (!$this->_isFrei($slot_start, $slot_end, $verplante_tages_events, $lektor_uids, 'lektor'))
+					continue;
+
+				if (!$this->_isFrei($slot_start, $slot_end, $verplante_tages_events, $grp->gruppen_kurzbz, 'gruppe'))
+					continue;
+
+				if (!$this->_isFrei($slot_start, $slot_end, $verplante_tages_events, $grp->lehrverband_gruppen_bezeichnung, 'lehrverband'))
+					continue;
+
+				$moegliche_slots[] = [
+					'isostart' => (new DateTime($slot_start))->format('c'),
+					'isoend' => (new DateTime($slot_end))->format('c'),
+					'marker_isoend' => (new DateTime($tag . ' ' . $start_stunde->ende))->format('c'),
+				];
+			}
+
+			$start_day = strtotime('+1 day', $start_day);
+		}
+
+
+		$slots = [];
+		foreach ($moegliche_slots as $slot)
+		{
+			$event_obj = (object) [
+				'kalender_id' => null,
+				'lehreinheit_id' => [$lehreinheit_id],
+				'isostart' => $slot['isostart'],
+				'isoend' => $slot['isoend'],
+			];
+
+			$raumkandidaten = $this->_getRaumkandidaten($event_obj);
+
+			if (empty($raumkandidaten))
+				continue;
+
+			$ratings = $this->_getRatings($verplante_events, $slot, $raumkandidaten, $lektor_uids, $grp->gruppen_kurzbz, $grp->lehrverband_gruppen_bezeichnung);
+			$best = $ratings[0];
+			$anzahl_weitere = count($ratings) - 1;
+
+			$slots[] = [
+				'isostart' => $slot['isostart'],
+				'isoend' => $slot['isoend'],
+				'marker_isoend' => $slot['marker_isoend'],
+				'rating' => $this->_scoreToRating($best['score']),
+				'label' => $anzahl_weitere > 0 ? $best['ort_kurzbz'] . ' (' . $best['score'] . ') + ' . $anzahl_weitere . ' weitere' : $best['ort_kurzbz'] . ' (' . $best['score'] . ')',
+				'raeume' => $ratings,
+			];
+		}
+		return success($slots);
+	}
+
+	private function _getZeitsperen($start_date, $end_date, $uids)
+	{
+
+		if (empty($uids)) return [];
+
+		if (($this->_ci->variablelib->getVar('ignore_kollision') === 'true') || ($this->_ci->variablelib->getVar('ignore_zeitsperre') === 'true')) return [];
+
+
+		$this->_ci->ZeitsperreModel->addSelect('mitarbeiter_uid, vondatum, vonstunde_z.beginn as von_beginn, bisdatum, bisstunde_z.ende as bis_ende');
+		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde vonstunde_z', 'vonstunde_z.stunde = tbl_zeitsperre.vonstunde', 'LEFT');
+		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde bisstunde_z', 'bisstunde_z.stunde = tbl_zeitsperre.bisstunde', 'LEFT');
+		$this->_ci->ZeitsperreModel->db->where('zeitsperretyp_kurzbz !=', 'ZVerfueg');
+		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.vondatum + COALESCE(vonstunde_z.beginn, \'00:00\'))::timestamp <', $end_date);
+		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.bisdatum + COALESCE(bisstunde_z.ende, \'23:59\'))::timestamp >', $start_date);
+
+		$this->_ci->ZeitsperreModel->db->where_in('mitarbeiter_uid', $uids);
+		$result = $this->_ci->ZeitsperreModel->load();
+
+		if (!hasData($result)) return [];
+
+		$events = [];
+		foreach (getData($result) as $row)
+		{
+			$von = new DateTime($row->vondatum . ' ' . ($row->von_beginn ?? '00:00'));
+			$bis = new DateTime($row->bisdatum . ' ' . ($row->bis_ende ?? '23:59'));
+
+			$events[] = (object)[
+				'isostart' => $von->format('c'),
+				'isoend' => $bis->format('c'),
+				'lektor' => [['mitarbeiter_uid' => $row->mitarbeiter_uid]]
+			];
+		}
+		return $events;
+	}
+
+	private function _getLehreinheitTeilnehmer($lehreinheit_id)
+	{
+		$lektoren_result = $this->_ci->LehreinheitMitarbeiterModel->loadWhere(['lehreinheit_id' => $lehreinheit_id]);
+		$lektor_data = [];
+		if (hasData($lektoren_result))
+		{
+			$lektor_data = getData($lektoren_result);
+		}
+
+		$gruppen_result = $this->_ci->LehreinheitgruppeModel->getByLehreinheit($lehreinheit_id);
+		$gruppen_data = [];
+		if (hasData($gruppen_result))
+		{
+			$gruppen_rows = getData($gruppen_result);
+
+			foreach ($gruppen_rows as $gruppe)
+			{
+				$gruppen_data[] = (array) $gruppe;
+			}
+		}
+
+
+		return (object)[
+			'lektor_data' => $lektor_data,
+			'gruppen_data' => $gruppen_data,
+		];
+
+	}
+
+	private function _splitGruppen($gruppen_data)
+	{
+		$gruppen_kurzbz = array_values(array_filter(array_column($gruppen_data, 'gruppe_kurzbz')));
+		$lehrverband_gruppen = array_values(array_filter($gruppen_data, function($gruppe)
+		{
+			return empty($gruppe['gruppe_kurzbz']);
+		}));
+		$lehrverband_gruppen_bezeichnung = array_column($lehrverband_gruppen, 'bezeichnung');
+
+		return (object)[
+			'gruppen_kurzbz' => $gruppen_kurzbz,
+			'lehrverband_gruppen' => $lehrverband_gruppen,
+			'lehrverband_gruppen_bezeichnung' => $lehrverband_gruppen_bezeichnung
+		];
+
+	}
+	//TODO (david) umbauen auf CollisionChecks
+	private function _isFrei($slot_start, $slot_end, $events, $check_array, $type)
+	{
+		if (empty($check_array)) return true;
+
+		$slot_start_ts = strtotime($slot_start);
+		$slot_end_ts = strtotime($slot_end);
+
+		foreach ($events as $event)
+		{
+			$event_start_ts = strtotime($event->isostart);
+			$event_end_ts = strtotime($event->isoend);
+
+			if ($event_end_ts <= $slot_start_ts || $event_start_ts >= $slot_end_ts)
+				continue;
+
+			$event_uids = $this->_getIds($event, $type);
+
+			if (!empty(array_intersect($event_uids, $check_array)))
+				return false;
+		}
+
+		return true;
+	}
+
+	private function _scoreToRating($score)
+	{
+		if ($score >= 90)
+			return 'good';
+		if ($score >= 60)
+			return 'mid';
+		return 'bad';
+	}
+	private function _getVorschlaegeForEvent($event)
+	{
+		$raumkandidaten = $this->_getRaumkandidaten($event);
+		if (empty($raumkandidaten)) return [];
+
+		$lektor_uids = array_column($event->lektor, 'mitarbeiter_uid');
+		$grp = $this->_splitGruppen($event->gruppe);
+
+		$tages_events = $this->_ci->kalenderlib->getForRaumvorschlag(
+			$event->datum,
+			$event->datum,
+			$lektor_uids,
+			$grp->gruppen_kurzbz,
+			$grp->lehrverband_gruppen
+		);
+
+		return $this->_getRatings($tages_events, $event, $raumkandidaten, $lektor_uids, $grp->gruppen_kurzbz, $grp->lehrverband_gruppen_bezeichnung);
+	}
+	private function _getRatings($events, $event, $raumkandidaten, $lektor_uids, $gruppen_kurzbz, $lehrverband_gruppen_bezeichnung)
+	{
+		$event = (object)$event;
+		$lektor_davor = $this->_getEventDavor($events, $event->isostart, $lektor_uids, 'lektor');
+		$gruppen_davor = $this->_getEventDavor($events, $event->isostart, $gruppen_kurzbz, 'gruppe');
+		$lehrverband_davor = $this->_getEventDavor($events, $event->isostart, $lehrverband_gruppen_bezeichnung, 'lehrverband');
+
+		$lektor_davor_ort = $lektor_davor ? $this->_getOrtDetails($lektor_davor->ort_kurzbz) : null;
+		$gruppen_davor_ort = $gruppen_davor ? $this->_getOrtDetails($gruppen_davor->ort_kurzbz) : null;
+		$lehrverband_davor_ort = $lehrverband_davor ? $this->_getOrtDetails($lehrverband_davor->ort_kurzbz) : null;
+
+		$unique = [];
+
+		foreach ($raumkandidaten as $raum)
+		{
+			$unique[$raum->ort_kurzbz] = $raum;
+		}
+
+		$kandidaten = array_values($unique);
+
+
+		$ratings = [];
+		foreach ($kandidaten as $raum)
+		{
+			$rating = ['ort_kurzbz' => $raum->ort_kurzbz, 'score' => 100, 'details' => [],
+				'raumtyp_kurzbz' => $raum->raumtyp_kurzbz, 'max_person' => $raum->max_person];
+			$this->_rateLektor($rating, $raum, $lektor_davor_ort);
+			$this->_rateGruppen($rating, $raum, $gruppen_davor_ort);
+			$this->_rateGruppen($rating, $raum, $lehrverband_davor_ort);
+
+			Events::trigger('room_rating',
+				function & () use (&$rating) {
+					return $rating;
+				},
+				$raum,
+				$event
+			);
+			$ratings[] = $rating;
+		}
+
+		usort($ratings, function($a, $b)
+		{
+			return $b['score'] <=> $a['score'];
+		});
+
+		return $ratings;
+
+	}
+
+	private function _getOrtDetails($ort_kurzbz_array)
+	{
+		$ort_kurzbz_array = (array) $ort_kurzbz_array;
+		if (empty($ort_kurzbz_array)) return [];
+		$this->_ci->OrtModel->addSelect('ort_kurzbz, stockwerk, standort_id');
+		$this->_ci->OrtModel->db->where_in('ort_kurzbz', $ort_kurzbz_array);
+		$result = $this->_ci->OrtModel->load();
+
+		return hasData($result) ? getData($result) : [];
+	}
+
+	private function _rateLektor(&$rating, $raum, $lektor_davor_orte)
+	{
+		if (empty($lektor_davor_orte)) return;
+
+		foreach ($lektor_davor_orte as $ort)
+		{
+			if ($ort->ort_kurzbz === $raum->ort_kurzbz)
+			{
+				$rating['score'] += 20;
+				$rating['details'][] = '+20 ' . $this->_ci->phraseslib->t('ui', 'lecturer_already_here');
+				return;
+			}
+		}
+
+		$gleiches_gebaeude = array_filter($lektor_davor_orte, function($ort) use ($raum)
+		{
+			return $ort->standort_id === $raum->standort_id;
+		});
+
+		if (empty($gleiches_gebaeude))
+		{
+			$rating['score'] -= 20;
+			$rating['details'][] = '-20 '. $this->_ci->phraseslib->t('ui', 'lecturer_building_change');
+			return;
+		}
+
+		$diffs = array_map(function($ort) use ($raum)
+		{
+			return abs($ort->stockwerk - $raum->stockwerk);
+		}, $gleiches_gebaeude);
+
+		$diff = min($diffs);
+
+		if ($diff > 0)
+		{
+			$rating['score'] -= $diff * 5;
+			$rating['details'][] = '-' . ($diff * 5) . ' ' . $this->_ci->phraseslib->t('ui', 'lecturer_floor_change');
+		}
+	}
+
+	private function _rateGruppen(&$rating, $raum, $gruppen_davor_orte)
+	{
+		if (empty($gruppen_davor_orte)) return;
+
+		foreach ($gruppen_davor_orte as $ort)
+		{
+			if ($ort->ort_kurzbz === $raum->ort_kurzbz)
+			{
+				$rating['score'] += 10;
+				$rating['details'][] = '+10 ' . $this->_ci->phraseslib->t('ui', 'student_already_here');
+				return;
+			}
+		}
+
+		$gleiches_gebaeude = array_filter($gruppen_davor_orte, function($ort) use ($raum)
+		{
+			return $ort->standort_id === $raum->standort_id;
+		});
+
+		if (empty($gleiches_gebaeude))
+		{
+			$rating['score'] -= 20;
+			$rating['details'][] = '-20 '. $this->_ci->phraseslib->t('ui', 'student_building_change');
+			return;
+		}
+
+		$diffs = array_map(function($ort) use ($raum)
+		{
+			return abs($ort->stockwerk - $raum->stockwerk);
+		}, $gleiches_gebaeude);
+
+		$diff = min($diffs);
+
+		if ($diff > 0)
+		{
+			$rating['score'] -= $diff * 5;
+			$rating['details'][] = '-' . ($diff * 5) . ' '. $this->_ci->phraseslib->t('ui', 'student_floor_change');
+		}
+	}
+
+	private function _getEventDavor($events, $von, $uids, $type)
+	{
+		$kandidat = null;
+
+		foreach ($events as $event)
+		{
+			if ($event->isoend > $von)
+				continue;
+
+			//Wenn zwischen zwei Events eine 30+ Minuten Pause liegt, wird das Event davor nicht berücksichtigt
+			if ((strtotime($von) - strtotime($event->isoend)) > 30 * 60)
+				continue;
+
+			if (empty($event->ort_kurzbz))
+				continue;
+
+			$event_uids = $this->_getIds($event, $type);
+
+			if (empty(array_intersect($event_uids, $uids)))
+				continue;
+
+			if ($kandidat === null || $event->isoend > $kandidat->isoend)
+				$kandidat = $event;
+		}
+
+		return $kandidat;
+	}
+
+	private function _getIds($event, $type)
+	{
+		$event_uids = array();
+
+		if ($type === 'lektor')
+			$event_uids = array_column($event->lektor, 'mitarbeiter_uid');
+		else if ($type === 'gruppe')
+			$event_uids = array_column($event->gruppe, 'gruppe_kurzbz');
+		else if ($type === 'lehrverband')
+			$event_uids = array_column($event->gruppe, 'bezeichnung');
+
+		return $event_uids;
+	}
+
+	private function _getRaumkandidaten($event)
+	{
+		$raumtyp = null;
+		$raumtypalternativ = null;
+
+		if (!empty($event->lehreinheit_id))
+		{
+			$lehreinheit = $this->_ci->LehreinheitModel->load($event->lehreinheit_id[0]);
+			if (hasData($lehreinheit))
+			{
+				$lehreinheit = getData($lehreinheit)[0];
+				$raumtyp = $lehreinheit->raumtyp ?? null;
+				$raumtypalternativ = $lehreinheit->raumtypalternativ ?? null;
+			}
+		}
+
+		$this->_ci->KalenderModel->addDistinct('tbl_kalender_ort.ort_kurzbz');
+		$this->_ci->KalenderModel->addSelect('tbl_kalender_ort.ort_kurzbz');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'tbl_kalender.kalender_id = tbl_kalender_ort.kalender_id');
+		$this->_ci->KalenderModel->db->where('tbl_kalender.von <', $event->isoend);
+		$this->_ci->KalenderModel->db->where('tbl_kalender.bis >', $event->isostart);
+		if (!is_null($event->kalender_id))
+		{
+			$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $event->kalender_id);
+		}
+		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', ['deleted', 'to_delete', 'to_delete_live', 'to_delete_preview', 'archived']);
+		$this->_ci->KalenderModel->db->where('tbl_kalender_ort.ort_kurzbz IS NOT NULL', null, false);
+		$this->_ci->KalenderModel->db->where(
+			'NOT EXISTS (
+				SELECT 1 FROM lehre.tbl_kalender nachfolger
+				WHERE nachfolger.vorgaenger_kalender_id = tbl_kalender.kalender_id
+			)', null, false
+		);
+
+		$belegte = $this->_ci->KalenderModel->load();
+
+		$belegte_orte = hasData($belegte) ? array_column(getData($belegte), 'ort_kurzbz') : [];
+
+		if (empty($raumtyp))
+		{
+			$raeume = $this->_getFreieRaeume(null, $belegte_orte);
+			return hasData($raeume) ? getData($raeume) : [];
+		}
+
+		$vorschlaege = [];
+
+		$raeume = $this->_getFreieRaeume($raumtyp, $belegte_orte);
+		if (hasData($raeume))
+			$vorschlaege = getData($raeume);
+
+		if (count($vorschlaege) < 5 && !empty($raumtypalternativ))
+		{
+			$bereits_gefunden = array_merge($belegte_orte, array_column($vorschlaege, 'ort_kurzbz'));
+			$alternativ = $this->_getFreieRaeume($raumtypalternativ, $bereits_gefunden);
+
+			if (!isError($alternativ) && hasData($alternativ))
+				$vorschlaege = array_merge($vorschlaege, getData($alternativ));
+		}
+
+		return $vorschlaege;
+	}
+
+	private function _getFreieRaeume($raumtyp, $belegte_orte)
+	{
+		$this->_ci->OrtModel->addSelect('ort_kurzbz, stockwerk, standort_id, max_person, raumtyp_kurzbz');
+		$this->_ci->OrtModel->addJoin('public.tbl_ortraumtyp', 'ort_kurzbz');
+
+		if (!empty($raumtyp))
+			$this->_ci->OrtModel->db->where('raumtyp_kurzbz', $raumtyp);
+		else
+			$this->_ci->OrtModel->db->where('reservieren', true);
+
+		$this->_ci->OrtModel->db->where('aktiv', true);
+		$this->_ci->OrtModel->db->where("ort_kurzbz NOT LIKE '\_%'", null, false);
+
+		if (!empty($belegte_orte))
+			$this->_ci->OrtModel->db->where_not_in('ort_kurzbz', $belegte_orte);
+		$this->_ci->OrtModel->addOrder('hierarchie, ort_kurzbz');
+
+		return $this->_ci->OrtModel->load();
+	}
+}

application/libraries/StundenplanLib.php

@@ -80,10 +80,12 @@ class StundenplanLib
 		if (isError($semester_range))
 			return $semester_range;
 		$semester_range = getData($semester_range);
+		$this->_ci->addMeta('semester_range', $semester_range);
 
 		$this->sortStudienSemester($semester_range);
 
 		$function_error = $this->applyLoadUeberSemesterHaelfte($semester_range);
+		$this->_ci->addMeta('nach_apply_semester_range', $semester_range);
 		if ($function_error)
 			return $function_error;
 		
@@ -92,13 +94,13 @@ class StundenplanLib
 		if (isError($benutzer_gruppen))
 			return $benutzer_gruppen;
 		$benutzer_gruppen = getData($benutzer_gruppen);
-
+		$this->_ci->addMeta('spezialgruppen', $benutzer_gruppen);
 		// getting the student_lehrverbaende of the student in the different studiensemester
 		$student_lehrverband = $this->fetchStudentlehrverbandFromStudiensemester($student_uid, $semester_range);
 		if (isError($student_lehrverband))
 			return $student_lehrverband;
 		$student_lehrverband = getData($student_lehrverband);
-		
+		$this->_ci->addMeta('studentlehrvebaende', $student_lehrverband);
 		$stundenplan_query = $this->_ci->StundenplanModel->getStundenplanQuery(
 			$start,
 			$end,
@@ -184,6 +186,21 @@ class StundenplanLib
 		return success($stundenplan_data);
 	}
 
+	public function getEventsByLE($lehreinheit_id, $start, $end, $stundenplan)
+	{
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->model('ressource/Stundenplan_model', 'StundenplanModel');
+		return $this->_ci->StundenplanModel->getStundenplanLE($lehreinheit_id, $start, $end, $stundenplan);
+	}
+
+	public function getEventsByLV($lehrveranstaltung_id, $start, $end, $stundenplan)
+	{
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->model('ressource/Stundenplan_model', 'StundenplanModel');
+		return $this->_ci->StundenplanModel->getStundenplanLV($lehrveranstaltung_id, $start, $end, $stundenplan);
+	}
 	/**
 	 * Get stundenplan for a room
 	 *
@@ -615,6 +632,7 @@ class StundenplanLib
 						$result->semester = $item->semester;
 						$result->verband = $item->verband;
 						$result->gruppe = $item->gruppe;
+						$result->studiensemester_kurzbz = $item->studiensemester_kurzbz;
 						return $result;
 					},
 					$lehrverband_query_result);
@@ -784,7 +802,8 @@ class StundenplanLib
 		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
 
 		// gets all studiensemester from the student from start_date to end_date
-		$semester_range = $this->_ci->StudiensemesterModel->getByDateRange($start_date, $end_date);
+		//$semester_range = $this->_ci->StudiensemesterModel->getByDateRange($start_date, $end_date);
+		$semester_range = $this->_ci->StudiensemesterModel->getContainingOrNearestByDateRange($start_date, $end_date);
 		if (isError($semester_range))
 			return $semester_range;
 		

application/libraries/TagLib.php

@@ -0,0 +1,392 @@
+<?php
+
+/**
+ * FH-Complete
+ *
+ * @package             FHC-Helper
+ * @author              FHC-Team
+ * @copyright           Copyright (c) 2026 fhcomplete.net
+ * @license             GPLv3
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+use \stdClass as stdClass;
+
+class TagLib
+{
+	/**
+	 * Object initialization
+	 */
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+
+		// Configs
+		$this->_ci->load->config('stv');
+
+		// Models
+		$this->_ci->load->model('person/Notiz_model', 'NotizModel');
+		$this->_ci->load->model('system/Notiztyp_model', 'NotiztypModel');
+		$this->_ci->load->model('person/Notizzuordnung_model', 'NotizzuordnungModel');
+		$this->_ci->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		// Libraries
+		$this->_ci->load->library('PermissionLib');
+		$this->_ci->load->library('PrestudentLib');
+
+		$this->batchUser = $this->_ci->config->item('userAutomatedTags');
+	}
+
+	public function updateAutomatedTags($paramsTag)
+	{
+		// ---------------------------------
+		// check params
+		// ---------------------------------
+		$required = ['kurzbz', 'data', 'typeId'];
+
+		foreach ($required as $key) {
+			if (!isset($paramsTag[$key])) {
+				return error('Missing Parameter: ' . $key);
+			}
+		}
+
+		$studiensemester_kurzbz = (isset ($paramsTag['studiensemester_kurzbz']) ? $paramsTag['studiensemester_kurzbz'] : null);
+		$tag = $paramsTag['kurzbz'];
+		$inputData = $paramsTag['data'];
+		$typeId = $paramsTag['typeId'];
+
+		// ---------------------------------
+		// prepare input
+		// ---------------------------------
+		$zeitraum = [];
+		$arrayIds = [];
+
+		foreach ($inputData as $item) {
+			$id = $item['id'];
+			$arrayIds[] = $id;
+
+			$zeitraum[$id] = [
+				'von' => $item['von'] ?? null,
+				'bis' => $item['bis'] ?? null
+			];
+		}
+		$arrayIds = array_unique($arrayIds);
+
+		$result = $this->_ci->StudiensemesterModel->load($studiensemester_kurzbz);
+		if (isError($result)) {
+			return $result;
+		}
+		$data = $result->retval[0] ?? null;
+
+		$von = $data->start ?? null;
+		$bis = $data->ende ?? null;
+
+		// ---------------------------------
+		// load existing tags
+		// ---------------------------------
+		$allTags = [];
+		$resultAllTags = $this->_ci->NotizModel->getAllTags($tag, $von, $bis);
+		if (isError($resultAllTags)) {
+			return $resultAllTags;
+		}
+		$allTagsData = getData($resultAllTags);
+
+		if (!empty($allTagsData)) {
+			foreach ($allTagsData as $item) {
+				$allTags[$item->$typeId] = $item->notiz_id;
+			}
+		}
+
+		// ---------------------------------
+		// map the data
+		// ---------------------------------
+		$toRecycle = [];
+		$toAdd = [];
+		$toDelete = [];
+
+		foreach ($arrayIds as $id) {
+			if (isset($allTags[$id])) {
+				$toRecycle[$id] = $allTags[$id];
+			} else {
+				$toAdd[] = $id;
+			}
+		}
+
+		foreach ($allTags as $id => $notizId) {
+			if (!in_array($id, $arrayIds)) {
+				$toDelete[$id] = $notizId;
+
+			}
+		}
+
+		// ---------------------------------
+		// recycle (update existing)
+		// ---------------------------------
+		$countRecycled = 0;
+		$retagged = [];
+
+		foreach ($toRecycle as $id => $notizId)
+		{
+			$this->_updateTag($notizId, $zeitraum[$id]['von'], $zeitraum[$id]['bis']);
+
+			$countRecycled++;
+			$retagged[] = $id;
+		}
+
+		// ---------------------------------
+		// ADD
+		// ---------------------------------
+		$countAdded = 0;
+		$tagged = [];
+
+		foreach ($toAdd as $id)
+		{
+			$this->_insertTag($typeId, $id, $tag, $zeitraum[$id]['von'], $zeitraum[$id]['bis']);
+			$countAdded++;
+
+			$tagged[] = $id;
+		}
+
+		// ---------------------------------
+		// delete
+		// ---------------------------------
+		$countDeleted = 0;
+		$deleted = [];
+
+		foreach ($toDelete as $id => $notizId)
+		{
+			$result = $this->_deleteTag($notizId);
+
+			if (isError($result)) {
+				return $result;
+			}
+
+			$countDeleted++;
+			$deleted[] = $id;
+		}
+
+		// ---------------------------------
+		// return
+		// ---------------------------------
+		return success([
+			'input' => [
+				'tag' => $tag,
+				'arrayIds' => $arrayIds
+			],
+			'summary' => [
+				'recycled' => $countRecycled,
+				'added' => $countAdded,
+				'deleted' => $countDeleted
+			],
+			'details' => [
+				'existingTags' => $allTags,
+				'toAdd' => $toAdd,
+				'toRecycle' => $toRecycle,
+				'toDelete' => $toDelete
+			],
+			'results' => [
+				'retaggedIds' => $retagged,
+				'newTags' => $tagged,
+				'deletedTagsIds' => $deleted
+			]
+		]);
+	}
+
+	public function updateAutomatedTagsForTypeId(array $params)
+	{
+		$return = null;
+		$notiz_id = null;
+
+		$von = $params['von'];
+		$bis = $params['bis'];
+		$tag = $params['kurzbz'];
+		$id = $params['id'];
+		$typeId = $params['typeId'];
+
+		$this->_ci->NotizModel->addSelect('nz.notiz_id');
+		$this->_ci->NotizModel->addSelect($typeId);
+		$this->_ci->NotizModel->addJoin('public.tbl_notizzuordnung nz', 'notiz_id');
+		$resultAllTags = $this->_ci->NotizModel->loadWhere([
+			'typ' => $tag,
+			$typeId => $id
+		]);
+		if(hasData($resultAllTags))
+		{
+			$notiz_id = $resultAllTags->retval[0]->notiz_id;
+		}
+
+		//RECYCLE
+		if ($notiz_id !== null)
+		{
+			$resultUpdateNotiz = $this->_updateTag($notiz_id, $von, $bis);
+			$return = ['recycled' => $resultUpdateNotiz];
+		}
+		else
+		//ADD
+		{
+			$resultInsertNotiz = $this->_insertTag($typeId, $id, $tag, $von, $bis);
+			$return = ['added' => $resultInsertNotiz];
+		}
+		return success($return);
+	}
+
+	/*
+	 * main function for rebuild Tags for typeId
+	 * */
+	public function rebuildTagsForTypeId($typeId, $id, $studiensemester_kurzbz)
+	{
+		$automatedTagsRes = $this->_ci->NotiztypModel->loadWhere(array('automatisiert' => true, 'taglib IS NOT NULL' => null));
+		$automatedTags = hasData($automatedTagsRes) ? getData($automatedTagsRes) : [];
+
+		$result = $this->_ci->StudiensemesterModel->load($studiensemester_kurzbz);
+		if (isError($result))
+			return error('Error occurred during retrieving studiensemester');
+		if (empty($result->retval) || !isset($result->retval[0])) {
+			return error('No studiensemester found');
+		}
+
+		$startSem = $result->retval[0]->start ?? null;
+		$endeSem = $result->retval[0]->ende ?? null;
+		$return = [];
+
+		foreach ($automatedTags as $autoTag)
+		{
+			// getPath: must not be lost
+			$filePath = APPPATH . 'libraries/' . $autoTag->taglib . '.php'; // APPPATH = application/
+
+			if (file_exists($filePath)) {
+				require_once($filePath);
+			} else {
+				echo "File not found: " . $filePath;
+				continue;
+			}
+
+			$className = basename($autoTag->taglib);
+			$kurz_bz = $autoTag->typ_kurzbz;
+
+			$obj = new $className();
+
+			$criteriaIsSet = $obj->isCriteriaSetFor([
+				'typeId' => $typeId,
+				'id' => $id,
+				'studiensemester_kurzbz' => $studiensemester_kurzbz
+			]);
+
+			if (hasData($criteriaIsSet))
+			{
+				$von = isset($criteriaIsSet->retval[0]->von) ? $criteriaIsSet->retval[0]->von : '';
+				$bis = isset($criteriaIsSet->retval[0]->bis) ? $criteriaIsSet->retval[0]->bis : '';
+
+				$params = [
+					'von' => $von,
+					'bis' => $bis,
+					'kurzbz' => $autoTag->typ_kurzbz,
+					'typeId' => $typeId,
+					'id' => $id,
+				];
+
+				$result = $this->updateAutomatedTagsForTypeId($params);
+				if (isError($result))
+					return error('Error occurred during updateAutomatedTags' . $kurz_bz);
+
+				$return[$kurz_bz] = $result;
+			}
+			else
+			{
+				//CHECK FOR DELETE
+				$params = [
+						'von' => $startSem,
+						'bis' => $endeSem,
+						'kurzbz' => $autoTag->typ_kurzbz,
+						'typeId' => $typeId,
+						'id' => $id,
+					];
+				$result = $this->_ci->NotizModel->checkIfExistingTag($kurz_bz, $typeId, $id, $startSem, $endeSem);
+				if (hasData($result))
+				{
+					$notizId = $result->retval[0]->notiz_id;
+					$this->_deleteTag($notizId);
+					$return[$kurz_bz] = ['deleted' => $notizId];
+				}
+			}
+		}
+		return success($return);
+	}
+
+	private function _insertTag($typeId, $id, $tag, $von, $bis)
+	{
+		$resultInsert = $this->_ci->NotizModel->insert([
+			'titel' => 'TAG',
+			'text' => 'AUTOMATED TAG',
+			'verfasser_uid' => $this->batchUser,
+			'erledigt' => false,
+			'insertamum' => date('Y-m-d H:i:s'),
+			'insertvon' => 'BatchJobTagAdd',
+			'typ' => $tag,
+			'start' => $von,
+			'ende' => $bis
+		]);
+
+		if (isError($resultInsert)) {
+			return error('Error inserting tag for ' .  $typeId . ': ' . $id);
+		}
+
+		$notizId = $resultInsert->retval;
+
+		$resultZuordnung = $this->_ci->NotizzuordnungModel->insert([
+			'notiz_id' => $notizId,
+			$typeId => $id
+		]);
+
+		if (isError($resultZuordnung)) {
+			return error('Error inserting relation for ' .  $typeId . ': ' . $id);
+		}
+
+		return $notizId;
+	}
+
+	private function _updateTag($notiz_id, $von, $bis)
+	{
+		$resultUpdateNotiz = $this->_ci->NotizModel->update(
+			[
+				'notiz_id' => $notiz_id
+			],
+			array(
+				'updateamum' => date('Y-m-d H:i:s'),
+				'updatevon' => 'BatchJobTagUpdate',
+				'start' => $von,
+				'ende' => $bis
+			));
+
+
+		if (isError($resultUpdateNotiz))
+			return error ('Error occurred during Update ' . $notiz_id);
+
+		return $notiz_id;
+	}
+
+	private function _deleteTag($notiz_id)
+	{
+		$result = $this->_ci->NotizzuordnungModel->delete([
+			'notiz_id' => $notiz_id
+		]);
+		if (isError($result)) {
+			return error('Error occurred during delete Notizzuordnung ' . $notiz_id);
+		}
+
+		$result = $this->_ci->NotizModel->delete([
+			'notiz_id' => $notiz_id
+		]);
+		if (isError($result)) {
+			return error('Error occurred during delete Notiz ' . $notiz_id);
+		}
+
+		return success([
+			'deleted' => $notiz_id
+		]);
+	}
+
+}

application/libraries/collision/checks/LectureCollisionCheck.php

@@ -0,0 +1,303 @@
+<?php
+
+class LectureCollisionCheck implements ICollisionCheck
+{
+
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->model('ressource/Zeitsperre_model', 'ZeitsperreModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+
+	}
+
+	public function getName()
+	{
+		return 'lecture';
+	}
+
+	public function check($data)
+	{
+		if (!isset($data->von, $data->bis)) return [];
+		if (empty($data->kalender_id) && empty($data->lehreinheit_id) && empty($data->uids)) return [];
+
+		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
+
+		if (!empty($data->kalender_id))
+			$uids = $this->_getUids($data->kalender_id);
+		else if (!empty($data->lehreinheit_id))
+			$uids = $this->_getUidsFromLehreinheit($data->lehreinheit_id);
+		else
+			$uids = $data->uids;
+
+		if (empty($uids)) return [];
+
+		$collisions = [];
+
+		$collisions = array_merge($collisions, $this->_checkLehreinheit($uids, $data));
+		$collisions = array_merge($collisions, $this->_checkReservierung($uids, $data));
+		$collisions = array_merge($collisions, $this->_checkZeitsperre($uids, $data));
+
+		return $collisions;
+	}
+
+	public function checkAll($kalender_ids)
+	{
+		if (empty($kalender_ids)) return [];
+
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+		$grouped = [];
+
+		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter other_lehreinheithreinheit_ma', 'other_lehreinheithreinheit_ma.mitarbeiter_uid = current_lehreinheit_ma.mitarbeiter_uid');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit other_lehreinheit', 'other_lehreinheit.lehreinheit_id = other_lehreinheithreinheit_ma.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit other_kalender_le', 'other_kalender_le.lehreinheit_id = other_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_kalender_le.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where(
+			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+		$result = $this->_ci->KalenderModel->load();
+		if (!isError($result) && hasData($result))
+		{
+			foreach (getData($result) as $row)
+			{
+				$grouped[$row->kalender_id][] = true;
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer other_t', 'other_t.uid = current_lehreinheit_ma.mitarbeiter_uid');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event other_e', 'other_e.kalender_id = other_t.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_e.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview']);
+		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where(
+			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+		$result = $this->_ci->KalenderModel->load();
+		if (!isError($result) && hasData($result))
+		{
+			foreach (getData($result) as $row)
+			{
+				$grouped[$row->kalender_id][] = true;
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('campus.tbl_zeitsperre z',
+			"z.mitarbeiter_uid = current_lehreinheit_ma.mitarbeiter_uid 
+			AND z.zeitsperretyp_kurzbz != 'ZVerfueg'");
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_stunde vonstunde_z', 'vonstunde_z.stunde = z.vonstunde', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_stunde bisstunde_z', 'bisstunde_z.stunde = z.bisstunde', 'LEFT');
+
+		$this->_ci->KalenderModel->db->where('(z.vondatum + COALESCE(vonstunde_z.beginn, \'00:00\'))::timestamp < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('(z.bisdatum + COALESCE(bisstunde_z.ende, \'23:59\'))::timestamp > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+		$result = $this->_ci->KalenderModel->load();
+
+
+		if (!isError($result) && hasData($result))
+		{
+			foreach (getData($result) as $row)
+			{
+				$grouped[$row->kalender_id][] = true;
+			}
+		}
+
+		return $grouped;
+	}
+
+	private function _getUids($kalender_id)
+	{
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+
+		$this->_ci->KalenderModel->addDistinct('mitarbeiter_uid, tbl_kalender_event_teilnehmer.uid');
+		$this->_ci->KalenderModel->addSelect('mitarbeiter_uid, tbl_kalender_event_teilnehmer.uid');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit', 'kalender_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter', 'lehreinheit_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event', 'kalender_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer', 'tbl_kalender_event.kalender_id = tbl_kalender_event_teilnehmer.kalender_id', 'LEFT');
+
+		$this->_ci->KalenderModel->db->group_start();
+			$this->_ci->KalenderModel->db->where_not_in('mitarbeiter_uid', $kollisionsfreie_user);
+			$this->_ci->KalenderModel->db->or_where('mitarbeiter_uid IS NULL', null, false);
+		$this->_ci->KalenderModel->db->group_end();
+
+		$result = $this->_ci->KalenderModel->loadWhere(array(
+			'tbl_kalender.kalender_id' => $kalender_id
+		));
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$data = getData($result);
+		$mitarbeiter_uids = array_filter(array_column($data, 'mitarbeiter_uid'));
+		$event_teilnehmer = array_filter(array_column($data, 'uid'));
+
+		return array_unique(array_merge($mitarbeiter_uids, $event_teilnehmer));
+	}
+
+	private function _getUidsFromLehreinheit($lehreinheit_id)
+	{
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+
+		$result = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id));
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$uids = array_column(getData($result), 'mitarbeiter_uid');
+		$uids = array_diff(array_filter($uids), $kollisionsfreie_user);
+
+		return array_values(array_unique($uids));
+	}
+
+	private function _checkLehreinheit($uids, $data)
+	{
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+
+		$this->_ci->KalenderModel->addDistinct('mitarbeiter_uid, tbl_kalender.von, tbl_kalender.bis');
+		$this->_ci->KalenderModel->addSelect('mitarbeiter_uid, tbl_kalender.von, tbl_kalender.bis');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit', 'kalender_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit', 'lehreinheit_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter', 'lehreinheit_id', 'LEFT');
+
+		$this->_ci->KalenderModel->db->where_in('mitarbeiter_uid', $uids);
+		if (!empty($data->kalender_id))
+			$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
+		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+		$this->_ci->KalenderModel->db->where_not_in('mitarbeiter_uid', $kollisionsfreie_user);
+		$this->_ci->KalenderModel->db->where(
+			'tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+
+		$result = $this->_ci->KalenderModel->loadWhere(array(
+			'von <' => $data->bis,
+			'bis >' => $data->von,
+		));
+
+		if (isError($result) || !hasData($result)) return [];
+
+		return array_map(function($row)
+		{
+			return [
+				'message' => $this->_ci->phraseslib->t('ui', 'ma_le_kollision') . ': ' . $row->mitarbeiter_uid . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
+				'errorCode' => 'lector_collision',
+			];
+		}, getData($result));
+	}
+
+	private function _checkReservierung($uids, $data)
+	{
+		if ($this->_ci->variablelib->getVar('ignore_reservierung') === 'true') return [];
+
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+
+
+		$this->_ci->KalenderModel->addDistinct('tbl_kalender_event_teilnehmer.uid, tbl_kalender.von, tbl_kalender.bis');
+		$this->_ci->KalenderModel->addSelect('tbl_kalender_event_teilnehmer.uid, tbl_kalender.von, tbl_kalender.bis');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event', 'kalender_id', 'LEFT');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer', 'tbl_kalender_event.kalender_id = tbl_kalender_event_teilnehmer.kalender_id', 'LEFT');
+
+		$this->_ci->KalenderModel->db->where_in('tbl_kalender_event_teilnehmer.uid', $uids);
+		if (!empty($data->kalender_id))
+			$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
+		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+		$this->_ci->KalenderModel->db->where_not_in('uid', $kollisionsfreie_user);
+		$this->_ci->KalenderModel->db->where(
+			'tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+		$result = $this->_ci->KalenderModel->loadWhere(array(
+			'von <' => $data->bis,
+			'bis >' => $data->von,
+		));
+
+		if (isError($result) || !hasData($result)) return [];
+
+		return array_map(function($row)
+		{
+			return [
+				'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->uid . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
+				'errorCode' => 'reservation_collision',
+			];
+		}, getData($result));
+	}
+
+	private function _checkZeitsperre($uids, $data)
+	{
+		if ($this->_ci->variablelib->getVar('ignore_zeitsperre') === 'true') return [];
+
+		$this->_ci->ZeitsperreModel->addSelect('mitarbeiter_uid, vondatum, vonstunde_z.beginn as von_beginn, bisdatum, bisstunde_z.ende as bis_ende');
+		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde vonstunde_z', 'vonstunde_z.stunde = tbl_zeitsperre.vonstunde', 'LEFT');
+		$this->_ci->ZeitsperreModel->addJoin('lehre.tbl_stunde bisstunde_z', 'bisstunde_z.stunde = tbl_zeitsperre.bisstunde', 'LEFT');
+		$this->_ci->ZeitsperreModel->db->where('zeitsperretyp_kurzbz !=', 'ZVerfueg');
+		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.vondatum + COALESCE(vonstunde_z.beginn, \'00:00\'))::timestamp <', $data->bis);
+		$this->_ci->ZeitsperreModel->db->where('(tbl_zeitsperre.bisdatum + COALESCE(bisstunde_z.ende, \'23:59\'))::timestamp >', $data->von);
+
+		$this->_ci->ZeitsperreModel->db->where_in('mitarbeiter_uid', $uids);
+		$result = $this->_ci->ZeitsperreModel->load();
+
+		if (isError($result) || !hasData($result)) return [];
+
+		return array_map(function($row)
+		{
+			return [
+				'message' => $this->_ci->phraseslib->t('ui', 'ma_zeitsperre_kollision') . ': ' . $row->mitarbeiter_uid . ' (' . date('d.m.Y H:i', strtotime($row->vondatum . ' ' . $row->von_beginn)) . ' - ' . date('d.m.Y H:i', strtotime($row->bisdatum . ' ' . $row->bis_ende)) . ')',
+				'errorCode' => 'absences_collision',
+			];
+		}, getData($result));
+	}
+
+}

application/libraries/collision/checks/ResourcesCollisionCheck.php

@@ -0,0 +1,94 @@
+<?php
+
+class ResourcesCollisionCheck implements ICollisionCheck
+{
+
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+	}
+
+	public function getName()
+	{
+		return 'resources';
+	}
+
+	public function check($data)
+	{
+		if (!isset($data->betriebsmittel_ids, $data->von, $data->bis)) return [];
+
+		if (empty($data->betriebsmittel_ids)) return [];
+
+		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
+		if ($this->_ci->variablelib->getVar('ignore_resources_collisions') === 'true') return [];
+
+		$this->_ci->KalenderModel->addSelect('kalender_id, von, bis, bm.beschreibung AS betriebsmittel_beschreibung');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender bk', 'bk.eindeutige_kalender_gruppen_id = tbl_kalender.eindeutige_kalender_gruppen_id');
+		$this->_ci->KalenderModel->addJoin('wawi.tbl_betriebsmittel bm', 'bm.betriebsmittel_id = bk.betriebsmittel_id');
+
+		if (!empty($data->kalender_id))
+			$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
+		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview']);
+		$this->_ci->KalenderModel->db->where_in('bk.betriebsmittel_id', $data->betriebsmittel_ids);
+
+
+		$result = $this->_ci->KalenderModel->loadWhere(array(
+			'von <' => $data->bis,
+			'bis >' => $data->von,
+		));
+
+		if (isError($result)) return [];
+		if (!hasData($result)) return [];
+
+		return array_map(function($row)
+		{
+			return [
+				'errorCode' => 'resource_collision',
+				'message' => $this->_ci->phraseslib->t('ui', 'resource_collision') . ': ' . $row->betriebsmittel_beschreibung . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
+			];
+		}, getData($result));
+	}
+
+	public function checkAll($kalender_ids) 
+	{
+		if (empty($kalender_ids)) return [];
+
+		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender current_bk', 'current_bk.eindeutige_kalender_gruppen_id = tbl_kalender.eindeutige_kalender_gruppen_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_betriebsmittel_kalender other_bk', 'other_bk.betriebsmittel_id = current_bk.betriebsmittel_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.eindeutige_kalender_gruppen_id = other_bk.eindeutige_kalender_gruppen_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview']);
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
+
+		$result = $this->_ci->KalenderModel->load();
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$grouped = [];
+		foreach (getData($result) as $row)
+		{
+			$grouped[$row->kalender_id][] = true;
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/RoomCollisionCheck.php

@@ -0,0 +1,90 @@
+<?php
+
+class RoomCollisionCheck implements ICollisionCheck
+{
+
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+	}
+
+	public function getName()
+	{
+		return 'room';
+	}
+
+	public function check($data)
+	{
+		if (!isset($data->ort_kurzbz, $data->von, $data->bis) || isEmptyArray($data->ort_kurzbz)) return [];
+
+		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
+
+		$this->_ci->KalenderModel->addSelect('kalender_id, ort_kurzbz, von, bis');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort', 'kalender_id');
+
+		if (!empty($data->kalender_id))
+			$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id !=', $data->kalender_id);
+		$this->_ci->KalenderModel->db->where('tbl_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('tbl_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+
+		$this->_ci->KalenderModel->db->where_in('ort_kurzbz', $data->ort_kurzbz);
+		$result = $this->_ci->KalenderModel->loadWhere(array(
+			'von <' => $data->bis,
+			'bis >' => $data->von,
+		));
+
+		if (isError($result)) return [];
+		if (!hasData($result)) return [];
+
+		return array_map(function($row)
+		{
+			return [
+				'errorCode' => 'room_collision',
+				'message' => $this->_ci->phraseslib->t('ui', 'raum_kollision') . ': ' . $row->ort_kurzbz . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
+			];
+		}, getData($result));
+	}
+
+	public function checkAll($kalender_ids)
+	{
+		if (empty($kalender_ids)) return [];
+
+		$this->_ci->KalenderModel->addSelect('DISTINCT ON (tbl_kalender.kalender_id) tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort current_ort', 'current_ort.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort other_ort', 'other_ort.ort_kurzbz = current_ort.ort_kurzbz');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_ort.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
+
+		$result = $this->_ci->KalenderModel->load();
+
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$grouped = [];
+		foreach (getData($result) as $row)
+		{
+			$grouped[$row->kalender_id][] = true;
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/StudentCollisionCheck.php

@@ -0,0 +1,286 @@
+<?php
+
+class StudentCollisionCheck implements ICollisionCheck
+{
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+	}
+
+	public function getName()
+	{
+		return 'student';
+	}
+
+	public function check($data)
+	{
+		if (!isset($data->von, $data->bis)) return [];
+		if (!isset($data->kalender_id) && !isset($data->lehreinheit_id)) return [];
+
+		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
+		if ($this->_ci->variablelib->getVar('kollision_student') !== 'true') return [];
+
+		$kollisionsfreie_user = unserialize(KOLLISIONSFREIE_USER);
+		$placeholders = implode(',', array_fill(0, count($kollisionsfreie_user), '?'));
+
+
+		$dbModel = new DB_Model();
+
+		if (isset($data->kalender_id))
+		{
+			$qry1 = "
+			SELECT DISTINCT tbl_benutzergruppe.uid
+			FROM lehre.tbl_kalender
+			JOIN lehre.tbl_kalender_lehreinheit USING(kalender_id)
+			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+			JOIN public.tbl_gruppe
+				ON tbl_gruppe.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+				AND tbl_gruppe.semester = tbl_lehreinheitgruppe.semester
+				AND tbl_gruppe.gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
+			JOIN public.tbl_benutzergruppe ON tbl_benutzergruppe.gruppe_kurzbz = tbl_gruppe.gruppe_kurzbz
+				AND tbl_benutzergruppe.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+
+			WHERE tbl_kalender.kalender_id = ?
+				AND tbl_benutzergruppe.uid NOT IN ($placeholders)
+			UNION ALL
+
+			SELECT DISTINCT tbl_studentlehrverband.student_uid AS uid
+			FROM lehre.tbl_kalender
+			JOIN lehre.tbl_kalender_lehreinheit USING(kalender_id)
+			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+			JOIN public.tbl_studentlehrverband
+				ON tbl_studentlehrverband.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+				AND tbl_studentlehrverband.semester = tbl_lehreinheitgruppe.semester
+				AND tbl_studentlehrverband.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+				AND (tbl_lehreinheitgruppe.verband = tbl_studentlehrverband.verband OR tbl_lehreinheitgruppe.verband IS NULL OR btrim(tbl_lehreinheitgruppe.verband::text) = '' OR tbl_studentlehrverband.verband IS NULL)
+				AND (tbl_lehreinheitgruppe.gruppe = tbl_studentlehrverband.gruppe OR tbl_lehreinheitgruppe.gruppe IS NULL OR btrim(tbl_lehreinheitgruppe.gruppe::text) = '' OR tbl_studentlehrverband.gruppe IS NULL)
+			WHERE tbl_kalender.kalender_id = ?
+				AND tbl_studentlehrverband.student_uid NOT IN ($placeholders)
+	";
+
+			$qry_1_param = $data->kalender_id;
+		}
+		else
+		{
+			$qry1 = "
+				SELECT DISTINCT tbl_benutzergruppe.uid
+				FROM lehre.tbl_lehreinheit
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				JOIN public.tbl_gruppe
+					ON tbl_gruppe.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+					AND tbl_gruppe.semester = tbl_lehreinheitgruppe.semester
+					AND tbl_gruppe.gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
+				JOIN public.tbl_benutzergruppe ON tbl_benutzergruppe.gruppe_kurzbz = tbl_gruppe.gruppe_kurzbz
+					AND tbl_benutzergruppe.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+	
+				WHERE tbl_lehreinheit.lehreinheit_id = ?
+					AND tbl_benutzergruppe.uid NOT IN ($placeholders)
+
+				UNION ALL
+
+				SELECT DISTINCT tbl_studentlehrverband.student_uid AS uid
+				FROM lehre.tbl_lehreinheit
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				JOIN public.tbl_studentlehrverband
+					ON tbl_studentlehrverband.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+					AND tbl_studentlehrverband.semester = tbl_lehreinheitgruppe.semester
+					AND tbl_studentlehrverband.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+					AND (tbl_lehreinheitgruppe.verband = tbl_studentlehrverband.verband OR tbl_lehreinheitgruppe.verband IS NULL OR btrim(tbl_lehreinheitgruppe.verband::text) = '' OR tbl_studentlehrverband.verband IS NULL)
+					AND (tbl_lehreinheitgruppe.gruppe = tbl_studentlehrverband.gruppe OR tbl_lehreinheitgruppe.gruppe IS NULL OR btrim(tbl_lehreinheitgruppe.gruppe::text) = '' OR tbl_studentlehrverband.gruppe IS NULL)
+				WHERE tbl_lehreinheit.lehreinheit_id = ?
+					AND tbl_studentlehrverband.student_uid NOT IN ($placeholders)
+        ";
+
+			$qry_1_param = $data->lehreinheit_id;
+		}
+
+		$result1 = $dbModel->execReadOnlyQuery($qry1, array_merge(
+			[$qry_1_param],
+			$kollisionsfreie_user,
+			[$qry_1_param],
+			$kollisionsfreie_user
+		));
+
+		if (isError($result1) || !hasData($result1)) return [];
+
+		$curUids = array_flip(array_column(getData($result1), 'uid'));
+
+		$exclude_kalender = isset($data->kalender_id) ? "AND tbl_kalender.kalender_id != ?" : "";
+		$exclude_kalender_param = isset($data->kalender_id) ? [$data->kalender_id] : [];
+
+		$qry2 = "
+			SELECT DISTINCT tbl_kalender.kalender_id, tbl_kalender.von, tbl_kalender.bis, tbl_benutzergruppe.uid
+			FROM lehre.tbl_kalender
+			JOIN lehre.tbl_kalender_lehreinheit ON tbl_kalender_lehreinheit.kalender_id = tbl_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+			JOIN public.tbl_gruppe
+				ON tbl_gruppe.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+				AND tbl_gruppe.semester = tbl_lehreinheitgruppe.semester
+				AND tbl_gruppe.gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
+			JOIN public.tbl_benutzergruppe ON tbl_benutzergruppe.gruppe_kurzbz = tbl_gruppe.gruppe_kurzbz
+				AND tbl_benutzergruppe.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+			WHERE tbl_kalender.von < ?
+				AND tbl_kalender.bis > ?
+				$exclude_kalender
+				AND tbl_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+				AND tbl_benutzergruppe.uid NOT IN ($placeholders)
+				AND NOT EXISTS (
+					SELECT 1 FROM lehre.tbl_kalender vorgaenger
+					WHERE vorgaenger.vorgaenger_kalender_id = tbl_kalender.kalender_id
+				)
+
+			UNION ALL
+	
+			SELECT DISTINCT tbl_kalender.kalender_id, tbl_kalender.von, tbl_kalender.bis, tbl_studentlehrverband.student_uid AS uid
+			FROM lehre.tbl_kalender
+			JOIN lehre.tbl_kalender_lehreinheit ON tbl_kalender_lehreinheit.kalender_id = tbl_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+			JOIN public.tbl_studentlehrverband
+				ON tbl_studentlehrverband.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+				AND tbl_studentlehrverband.semester = tbl_lehreinheitgruppe.semester
+				AND tbl_studentlehrverband.studiensemester_kurzbz = tbl_lehreinheit.studiensemester_kurzbz
+				AND (tbl_lehreinheitgruppe.verband = tbl_studentlehrverband.verband OR tbl_lehreinheitgruppe.verband IS NULL OR btrim(tbl_lehreinheitgruppe.verband::text) = '' OR tbl_studentlehrverband.verband IS NULL)
+				AND (tbl_lehreinheitgruppe.gruppe = tbl_studentlehrverband.gruppe OR tbl_lehreinheitgruppe.gruppe IS NULL OR btrim(tbl_lehreinheitgruppe.gruppe::text) = '' OR tbl_studentlehrverband.gruppe IS NULL)
+			WHERE tbl_kalender.von < ?
+				AND tbl_kalender.bis > ?
+				$exclude_kalender
+				AND tbl_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+				AND tbl_studentlehrverband.student_uid NOT IN ($placeholders)
+				AND NOT EXISTS (
+					SELECT 1 FROM lehre.tbl_kalender vorgaenger
+					WHERE vorgaenger.vorgaenger_kalender_id = tbl_kalender.kalender_id
+				)
+		";
+
+		$result2 = $dbModel->execReadOnlyQuery($qry2, array_merge(
+			[$data->bis, $data->von], $exclude_kalender_param, $kollisionsfreie_user,
+			[$data->bis, $data->von], $exclude_kalender_param, $kollisionsfreie_user
+		));
+
+		if (isError($result2) || !hasData($result2)) return [];
+
+		$conflicts = [];
+		foreach (getData($result2) as $row)
+		{
+			if (isset($curUids[$row->uid]))
+			{
+				$conflicts[] = [
+					'message' =>
+						$this->_ci->phraseslib->t('ui', 'student_kollision')
+						. ': ' . $row->uid
+						. ' (' . date('d.m.Y H:i', strtotime($row->von))
+						. ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
+					'errorCode' => 'student_collision'
+				];
+
+			}
+		}
+
+		return $conflicts;
+	}
+
+	public function checkAll($kalender_ids)
+	{
+
+		if (empty($kalender_ids)) return [];
+
+		if ($this->_ci->variablelib->getVar('kollision_student') !== 'true') return [];
+
+		$dbModel = new DB_Model();
+		$placeholders = implode(',', array_fill(0, count($kalender_ids), '?'));
+
+		$sql = "
+			SELECT DISTINCT current_kalender.kalender_id, current_benutzergruppe.uid
+			FROM lehre.tbl_kalender current_kalender
+			JOIN lehre.tbl_kalender_lehreinheit current_kalender_le ON current_kalender_le.kalender_id = current_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit current_lehreinheit ON current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe current_lehreinheitgruppe ON current_lehreinheitgruppe.lehreinheit_id = current_lehreinheit.lehreinheit_id
+			JOIN public.tbl_gruppe current_gruppe
+				ON current_gruppe.studiengang_kz = current_lehreinheitgruppe.studiengang_kz
+				AND current_gruppe.semester = current_lehreinheitgruppe.semester
+				AND current_gruppe.gruppe_kurzbz = current_lehreinheitgruppe.gruppe_kurzbz
+			JOIN public.tbl_benutzergruppe current_benutzergruppe ON current_benutzergruppe.gruppe_kurzbz = current_gruppe.gruppe_kurzbz
+					AND current_benutzergruppe.studiensemester_kurzbz = current_lehreinheit.studiensemester_kurzbz
+			JOIN lehre.tbl_kalender other_kalender
+				ON other_kalender.kalender_id != current_kalender.kalender_id
+				AND other_kalender.von < current_kalender.bis
+				AND other_kalender.bis > current_kalender.von
+				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+				AND NOT EXISTS (
+					SELECT 1 FROM lehre.tbl_kalender vorgaenger
+					WHERE vorgaenger.vorgaenger_kalender_id = other_kalender.kalender_id
+				)
+			JOIN lehre.tbl_kalender_lehreinheit other_kalender_le ON other_kalender_le.kalender_id = other_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit other_lehreinheit ON other_lehreinheit.lehreinheit_id = other_kalender_le.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe other_lehreinheitgruppe ON other_lehreinheitgruppe.lehreinheit_id = other_lehreinheit.lehreinheit_id
+			JOIN public.tbl_gruppe other_gruppe
+				ON other_gruppe.studiengang_kz = other_lehreinheitgruppe.studiengang_kz
+				AND other_gruppe.semester = other_lehreinheitgruppe.semester
+				AND other_gruppe.gruppe_kurzbz = other_lehreinheitgruppe.gruppe_kurzbz
+			JOIN public.tbl_benutzergruppe other_benutzergruppe
+				ON other_benutzergruppe.gruppe_kurzbz = other_gruppe.gruppe_kurzbz
+				AND other_benutzergruppe.uid = current_benutzergruppe.uid
+				AND other_benutzergruppe.studiensemester_kurzbz = other_lehreinheit.studiensemester_kurzbz
+
+
+			WHERE current_kalender.kalender_id IN ($placeholders)
+
+			UNION ALL
+
+			SELECT DISTINCT current_kalender.kalender_id, current_studentlehrverband.student_uid AS uid
+			FROM lehre.tbl_kalender current_kalender
+			JOIN lehre.tbl_kalender_lehreinheit current_kalender_le ON current_kalender_le.kalender_id = current_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit current_lehreinheit ON current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe current_lehreinheitgruppe ON current_lehreinheitgruppe.lehreinheit_id = current_lehreinheit.lehreinheit_id
+			JOIN public.tbl_studentlehrverband current_studentlehrverband
+				ON current_studentlehrverband.studiengang_kz = current_lehreinheitgruppe.studiengang_kz
+				AND current_studentlehrverband.semester = current_lehreinheitgruppe.semester
+				AND current_studentlehrverband.studiensemester_kurzbz = current_lehreinheit.studiensemester_kurzbz
+				AND (current_lehreinheitgruppe.verband = current_studentlehrverband.verband OR current_lehreinheitgruppe.verband IS NULL OR btrim(current_lehreinheitgruppe.verband::text) = '' OR current_studentlehrverband.verband IS NULL)
+				AND (current_lehreinheitgruppe.gruppe = current_studentlehrverband.gruppe OR current_lehreinheitgruppe.gruppe IS NULL OR btrim(current_lehreinheitgruppe.gruppe::text) = '' OR current_studentlehrverband.gruppe IS NULL)
+
+			JOIN lehre.tbl_kalender other_kalender
+				ON other_kalender.kalender_id != current_kalender.kalender_id
+				AND other_kalender.von < current_kalender.bis
+				AND other_kalender.bis > current_kalender.von
+				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+				AND NOT EXISTS (
+					SELECT 1 FROM lehre.tbl_kalender vorgaenger
+					WHERE vorgaenger.vorgaenger_kalender_id = other_kalender.kalender_id
+				)
+			JOIN lehre.tbl_kalender_lehreinheit other_kalender_le ON other_kalender_le.kalender_id = other_kalender.kalender_id
+			JOIN lehre.tbl_lehreinheit other_lehreinheit ON other_lehreinheit.lehreinheit_id = other_kalender_le.lehreinheit_id
+			JOIN lehre.tbl_lehreinheitgruppe other_lehreinheitgruppe ON other_lehreinheitgruppe.lehreinheit_id = other_lehreinheit.lehreinheit_id
+			JOIN public.tbl_studentlehrverband other_slv
+				ON other_slv.studiengang_kz = other_lehreinheitgruppe.studiengang_kz
+				AND other_slv.semester = other_lehreinheitgruppe.semester
+				AND other_slv.studiensemester_kurzbz = other_lehreinheit.studiensemester_kurzbz
+				AND other_slv.student_uid = current_studentlehrverband.student_uid
+				AND (other_lehreinheitgruppe.verband = other_slv.verband OR other_lehreinheitgruppe.verband IS NULL OR btrim(other_lehreinheitgruppe.verband::text) = '' OR other_slv.verband IS NULL)
+				AND (other_lehreinheitgruppe.gruppe = other_slv.gruppe OR other_lehreinheitgruppe.gruppe IS NULL OR btrim(other_lehreinheitgruppe.gruppe::text) = '' OR other_slv.gruppe IS NULL)
+
+			WHERE current_kalender.kalender_id IN ($placeholders)
+		";
+
+		$result = $dbModel->execReadOnlyQuery($sql, array_merge($kalender_ids, $kalender_ids));
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$grouped = [];
+		foreach (getData($result) as $row)
+		{
+			$grouped[$row->kalender_id][] = true;
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/VerbandCollisionCheck.php

@@ -0,0 +1,413 @@
+<?php
+
+class VerbandCollisionCheck implements ICollisionCheck
+{
+
+	private $_ci;
+
+	public function __construct()
+	{
+		$this->_ci =& get_instance();
+		$this->_ci->load->model('ressource/Kalender_model', 'KalenderModel');
+		$this->_ci->load->library('VariableLib', array('uid' => getAuthUID()));
+		$this->_ci->load->library('PhrasesLib', array('ui'));
+
+	}
+
+	public function getName()
+	{
+		return 'verband';
+	}
+
+	public function check($data)
+	{
+		if (!isset($data->von, $data->bis)) return [];
+		if (!isset($data->kalender_id) && !isset($data->lehreinheit_id)) return [];
+
+		if ($this->_ci->variablelib->getVar('ignore_kollision') === 'true') return [];
+
+		$kollision_student = $this->_ci->variablelib->getVar('kollision_student') === 'false';
+		$kollision_reservierung = $this->_ci->variablelib->getVar('ignore_reservierung') === 'false';
+
+		if (!isset($data->kalender_id)) $kollision_reservierung = false;
+
+		if (!$kollision_student && !$kollision_reservierung) return [];
+
+		$dbModel = new DB_Model();
+		$collisions = [];
+
+		$group_matching_qry = "
+			(
+				(
+					current_lehreinheitguppe.gruppe_kurzbz IS NULL
+					AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
+					AND (
+						current_lehreinheitguppe.verband IS NULL
+						OR (
+							current_lehreinheitguppe.verband = other_lehreinheitguppe.verband
+							AND (current_lehreinheitguppe.gruppe IS NULL OR other_lehreinheitguppe.gruppe IS NULL OR current_lehreinheitguppe.gruppe = other_lehreinheitguppe.gruppe)
+						)
+					)
+				)
+				OR
+				(
+					current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+					AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+					AND current_gruppe.direktinskription IS NOT TRUE
+					AND other_gruppe.direktinskription IS NOT TRUE
+				)
+				OR
+				(
+					(
+						current_lehreinheitguppe.gruppe_kurzbz IS NULL
+						AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+						AND other_gruppe.direktinskription IS NOT TRUE
+					)
+					OR
+					(
+						current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+						AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
+						AND current_gruppe.direktinskription IS NOT TRUE
+					)
+				)
+			)
+		";
+
+		if ($kollision_student)
+		{
+			$union_event = "";
+
+			if ($kollision_reservierung)
+			{
+				$union_event = "
+					UNION
+					SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe, tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
+					FROM lehre.tbl_kalender_event_teilnehmer
+					WHERE tbl_kalender_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
+				";
+			}
+
+			$other_lehreinheitgruppe_subquery = "
+				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
+					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
+				FROM lehre.tbl_kalender_lehreinheit
+				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+            ". $union_event ."
+        ";
+
+			if (isset($data->kalender_id))
+			{
+				$sql_gruppen = "
+					SELECT
+						other_kalender.von,
+						other_kalender.bis,
+						COALESCE(
+							other_lehreinheitguppe.gruppe_kurzbz,
+							UPPER(stg.typ::text || stg.kurzbz::text) || '-' || other_lehreinheitguppe.semester ||
+							COALESCE(other_lehreinheitguppe.verband::text, '') ||
+							COALESCE(other_lehreinheitguppe.gruppe::text, '')
+						) AS gruppenname
+					FROM lehre.tbl_kalender current_kalender
+	
+					JOIN (
+						". $other_lehreinheitgruppe_subquery ."
+					) current_lehreinheitguppe ON current_lehreinheitguppe.kalender_id = current_kalender.kalender_id
+	
+					LEFT JOIN public.tbl_gruppe current_gruppe
+						ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
+	
+					JOIN lehre.tbl_kalender other_kalender
+						ON other_kalender.kalender_id != current_kalender.kalender_id
+						AND other_kalender.von < ?
+						AND other_kalender.bis > ?
+	
+					JOIN (
+						". $other_lehreinheitgruppe_subquery ."
+					) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
+	
+					LEFT JOIN public.tbl_gruppe other_gruppe
+						ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
+	
+					LEFT JOIN public.tbl_studiengang stg
+						ON stg.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+	
+					WHERE current_kalender.kalender_id = ?
+					AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+					AND current_lehreinheitguppe.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+					AND current_lehreinheitguppe.semester = other_lehreinheitguppe.semester
+					AND ". $group_matching_qry ."
+					AND other_kalender.kalender_id NOT IN (
+						SELECT vorgaenger_kalender_id
+						FROM lehre.tbl_kalender
+						WHERE vorgaenger_kalender_id IS NOT NULL
+					)
+            ";
+
+				$params = [$data->bis, $data->von, $data->kalender_id];
+			}
+			else
+			{
+				$sql_gruppen = "
+					SELECT
+						other_kalender.von,
+						other_kalender.bis,
+						COALESCE(
+							other_lehreinheitguppe.gruppe_kurzbz,
+							UPPER(stg.typ::text || stg.kurzbz::text) || '-' || other_lehreinheitguppe.semester ||
+							COALESCE(other_lehreinheitguppe.verband::text, '') ||
+							COALESCE(other_lehreinheitguppe.gruppe::text, '')
+						) AS gruppenname
+					FROM lehre.tbl_lehreinheitgruppe current_lehreinheitguppe
+					LEFT JOIN public.tbl_gruppe current_gruppe
+						ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
+	
+					JOIN lehre.tbl_kalender other_kalender
+						ON other_kalender.von < ?
+						AND other_kalender.bis > ?
+	
+					JOIN (
+						". $other_lehreinheitgruppe_subquery ."
+					) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
+	
+					LEFT JOIN public.tbl_gruppe other_gruppe
+						ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
+	
+					LEFT JOIN public.tbl_studiengang stg
+						ON stg.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+	
+					WHERE current_lehreinheitguppe.lehreinheit_id = ?
+					AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+					AND current_lehreinheitguppe.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+					AND current_lehreinheitguppe.semester = other_lehreinheitguppe.semester
+					AND ". $group_matching_qry ."
+					AND other_kalender.kalender_id NOT IN (
+						SELECT vorgaenger_kalender_id
+						FROM lehre.tbl_kalender
+						WHERE vorgaenger_kalender_id IS NOT NULL
+					)
+				";
+
+				$params = [$data->bis, $data->von, $data->lehreinheit_id];
+			}
+
+			$result = $dbModel->execReadOnlyQuery($sql_gruppen, $params);
+
+			if (!isError($result) && hasData($result))
+			{
+				foreach (getData($result) as $row)
+				{
+					$collisions[] = [
+						'message' => $this->_ci->phraseslib->t('ui', 'verband_kollision') . ': ' . $row->gruppenname . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')',
+						'errorCode' => 'verband_collision',
+					];
+				}
+			}
+		}
+
+		if ($kollision_reservierung && !$kollision_student)
+		{
+			$sql_reservierung = "
+				SELECT
+					other_kalender.von,
+					other_kalender.bis,
+					COALESCE(
+						other_event_teilnehmer.gruppe_kurzbz,
+						UPPER(stg.typ::text || stg.kurzbz::text) || '-' || other_event_teilnehmer.semester ||
+						COALESCE(other_event_teilnehmer.verband::text, '') ||
+						COALESCE(other_event_teilnehmer.gruppe::text, '')
+					) AS gruppenname
+				FROM lehre.tbl_kalender_event_teilnehmer current_event_teilnehmer
+				LEFT JOIN public.tbl_gruppe current_gruppe
+					ON current_gruppe.gruppe_kurzbz = current_event_teilnehmer.gruppe_kurzbz
+
+				JOIN lehre.tbl_kalender other_kalender
+					ON other_kalender.kalender_id != ?
+					AND other_kalender.von < ?
+					AND other_kalender.bis > ?
+
+				JOIN lehre.tbl_kalender_event_teilnehmer other_event_teilnehmer
+					ON other_event_teilnehmer.kalender_id = other_kalender.kalender_id
+					AND other_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
+
+				LEFT JOIN public.tbl_gruppe other_gruppe
+					ON other_gruppe.gruppe_kurzbz = other_event_teilnehmer.gruppe_kurzbz
+
+				LEFT JOIN public.tbl_studiengang stg
+					ON stg.studiengang_kz = other_event_teilnehmer.studiengang_kz
+
+				WHERE current_event_teilnehmer.kalender_id = ?
+				AND current_event_teilnehmer.rolle_kurzbz = 'teilnehmer'
+				AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+				AND current_event_teilnehmer.studiengang_kz = other_event_teilnehmer.studiengang_kz
+				AND current_event_teilnehmer.semester = other_event_teilnehmer.semester
+				AND (
+					(
+						current_event_teilnehmer.gruppe_kurzbz IS NULL
+						AND other_event_teilnehmer.gruppe_kurzbz IS NULL
+						AND (
+							current_event_teilnehmer.verband IS NULL
+							OR (
+								current_event_teilnehmer.verband = other_event_teilnehmer.verband
+								AND (current_event_teilnehmer.gruppe IS NULL OR other_event_teilnehmer.gruppe IS NULL OR current_event_teilnehmer.gruppe = other_event_teilnehmer.gruppe)
+							)
+						)
+					)
+					OR
+					(
+						current_event_teilnehmer.gruppe_kurzbz IS NOT NULL
+						AND other_event_teilnehmer.gruppe_kurzbz IS NOT NULL
+						AND current_gruppe.direktinskription IS NOT TRUE
+						AND other_gruppe.direktinskription IS NOT TRUE
+					)
+					OR
+					(
+						(
+							current_event_teilnehmer.gruppe_kurzbz IS NULL
+							AND other_event_teilnehmer.gruppe_kurzbz IS NOT NULL
+							AND other_gruppe.direktinskription IS NOT TRUE
+						)
+						OR
+						(
+							current_event_teilnehmer.gruppe_kurzbz IS NOT NULL
+							AND other_event_teilnehmer.gruppe_kurzbz IS NULL
+							AND current_gruppe.direktinskription IS NOT TRUE
+						)
+					)
+				)
+				AND other_kalender.kalender_id NOT IN (
+					SELECT vorgaenger_kalender_id
+					FROM lehre.tbl_kalender
+					WHERE vorgaenger_kalender_id IS NOT NULL
+				)
+			";
+
+			$result = $dbModel->execReadOnlyQuery($sql_reservierung, [
+				$data->kalender_id,
+				$data->bis,
+				$data->von,
+				$data->kalender_id,
+			]);
+
+			if (!isError($result) && hasData($result))
+			{
+				foreach (getData($result) as $row)
+				{
+					$collisions[] = [
+						'errorCode' => 'reservation_collision',
+						'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->gruppenname . ' (' . date('d.m.Y H:i', strtotime($row->von)) . ' - ' . date('d.m.Y H:i', strtotime($row->bis)) . ')'
+					];
+				}
+			}
+		}
+
+		return $collisions;
+	}
+
+	public function checkAll($kalender_ids)
+	{
+		if (empty($kalender_ids)) return [];
+
+		$dbModel = new DB_Model();
+
+		$placeholders = implode(',', array_fill(0, count($kalender_ids), '?'));
+
+		$sql = "
+			SELECT DISTINCT ON (current_kalender.kalender_id) current_kalender.kalender_id
+			FROM lehre.tbl_kalender current_kalender
+	
+			JOIN (
+				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
+					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
+				FROM lehre.tbl_kalender_lehreinheit
+				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				UNION
+				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
+					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
+				FROM lehre.tbl_kalender_event_teilnehmer
+			) current_lehreinheitguppe ON current_lehreinheitguppe.kalender_id = current_kalender.kalender_id
+	
+			LEFT JOIN public.tbl_gruppe current_gruppe
+				ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
+	
+			JOIN lehre.tbl_kalender other_kalender
+				ON other_kalender.kalender_id != current_kalender.kalender_id
+				AND other_kalender.von < current_kalender.bis
+				AND other_kalender.bis > current_kalender.von
+	
+			JOIN (
+				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
+					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
+				FROM lehre.tbl_kalender_lehreinheit
+				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				UNION
+				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
+					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
+				FROM lehre.tbl_kalender_event_teilnehmer
+			) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
+	
+			LEFT JOIN public.tbl_gruppe other_gruppe
+				ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
+	
+			WHERE current_kalender.kalender_id IN ({$placeholders})
+			AND other_kalender.status_kurzbz NOT IN ('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview')
+			AND current_lehreinheitguppe.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+			AND current_lehreinheitguppe.semester = other_lehreinheitguppe.semester
+			AND (
+				(
+					current_lehreinheitguppe.gruppe_kurzbz IS NULL
+					AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
+					AND (
+						current_lehreinheitguppe.verband IS NULL
+						OR (
+							current_lehreinheitguppe.verband = other_lehreinheitguppe.verband
+							AND (current_lehreinheitguppe.gruppe IS NULL OR other_lehreinheitguppe.gruppe IS NULL OR current_lehreinheitguppe.gruppe = other_lehreinheitguppe.gruppe)
+						)
+					)
+				)
+				OR
+				(
+					current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+					AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+					AND current_gruppe.direktinskription IS NOT TRUE
+					AND other_gruppe.direktinskription IS NOT TRUE
+				)
+				OR
+				(
+					(
+						current_lehreinheitguppe.gruppe_kurzbz IS NULL
+						AND other_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+						AND other_gruppe.direktinskription IS NOT TRUE
+					)
+					OR
+					(
+						current_lehreinheitguppe.gruppe_kurzbz IS NOT NULL
+						AND other_lehreinheitguppe.gruppe_kurzbz IS NULL
+						AND current_gruppe.direktinskription IS NOT TRUE
+					)
+				)
+			)
+			AND other_kalender.kalender_id NOT IN (
+				SELECT vorgaenger_kalender_id
+				FROM lehre.tbl_kalender
+				WHERE vorgaenger_kalender_id IS NOT NULL
+			)
+			
+		";
+
+		$result = $dbModel->execReadOnlyQuery($sql, $kalender_ids);
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$grouped = [];
+		foreach (getData($result) as $row)
+		{
+			$grouped[$row->kalender_id][] = true;
+		}
+
+		return $grouped;
+	}
+
+}

application/libraries/stv/StudentListLib.php

@@ -28,6 +28,7 @@ class StudentListLib
 	private $_allowedStgs = [];
 	private $_selects = [];
 	private $_joins = [];
+	private $_wheres = [];
 	
 	/**
 	 * Gets the CI instance, loads model and prepares default values
@@ -40,6 +41,8 @@ class StudentListLib
 	{
 		$this->_ci =& get_instance(); // get code igniter instance
 
+		$this->_ci->load->config('stv');
+
 		$this->_ci->load->model('crm/Prestudent_model', 'PrestudentModel');
 
 		if (isset($params['allowedStgs']))
@@ -47,8 +50,6 @@ class StudentListLib
 
 		// Add default SELECTs
 		$this->addSelect("b.uid");
-		if (defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED)
-			$this->addSelect('tag_data_agg.tags');
 		$this->addSelect('titelpre');
 		$this->addSelect('nachname');
 		$this->addSelect('vorname');
@@ -72,6 +73,13 @@ class StudentListLib
 		$this->addSelect('pls.status_kurzbz AS status');
 		$this->addSelect('pls.datum AS status_datum');
 		$this->addSelect('pls.bestaetigtam AS status_bestaetigung');
+		$this->addSelect("
+			CASE
+				WHEN pls.status_kurzbz IN ('Interessent','Aufgenommener','Bewerber','Wartender')
+				THEN pls.ausbildungssemester
+				ELSE v.semester
+			END AS semester_berechnet
+		");
 		$this->addSelect(
 			"(SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp='email' AND person_id=p.person_id AND zustellung LIMIT 1) AS mail_privat",
 			false
@@ -111,7 +119,7 @@ class StudentListLib
 			) prest
 			WHERE laststatus NOT IN ('Abbrecher', 'Abgewiesener', 'Absolvent')
 			AND priorisierung <= tbl_prestudent.priorisierung
-		) || ' (' || COALESCE(tbl_prestudent.priorisierung::text, ' '::text) || ')' AS priorisierung_relativ", false); // TODO(chris): overwrite in fetchStudents
+		) || ' (' || COALESCE(tbl_prestudent.priorisierung::text, ' '::text) || ')' AS priorisierung_relativ", false);
 		$this->addSelect('mentor');
 		$this->addSelect('b.aktiv AS bnaktiv');
 		$this->addSelect('unruly');
@@ -119,7 +127,7 @@ class StudentListLib
 		// Add default JOINs
 		$this->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
 		$this->addJoin('public.tbl_person p', 'person_id');
-		$this->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT'); // TODO(chris): overwrite in fetchStudents
+		$this->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT');
 		$this->addJoin('public.tbl_prestudentstatus pls', '
 			pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
 			AND pls.prestudent_id=tbl_prestudent.prestudent_id 
@@ -129,40 +137,14 @@ class StudentListLib
 		$this->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid', 'LEFT');
 		$this->addJoin("v", "", ""); // Will be replaced later
 		$this->addJoin("ps", "", ""); // Will be replaced later
-		if (defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED) {
-			$this->_ci->load->config('stv');
-			$tags = $this->_ci->config->item('stv_prestudent_tags');
 
-			$whereTags = '';
-			if (is_array($tags) && !isEmptyArray($tags)) {
-				$tags = array_keys($tags);
-
-				foreach ($tags as $key => $tag) {
-					$tags[$key] = $this->_ci->PrestudentModel->escape($tag);
-				}
-				$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
-			}
-			$subQueryTag = "(
-				SELECT
-					tag.prestudent_id,
-					COALESCE(json_agg(tag ORDER BY tag.done), '[]'::json) AS tags
-				FROM (
-					SELECT DISTINCT ON (n.notiz_id)
-						n.notiz_id AS id,
-						nt.typ_kurzbz,
-						array_to_json(nt.bezeichnung_mehrsprachig)->>0 AS beschreibung,
-						n.text AS notiz,
-						nt.style,
-						n.erledigt AS done,
-						nz.prestudent_id
-					FROM public.tbl_notizzuordnung AS nz
-					JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id
-					JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz " . $whereTags . "
-				) AS tag
-				GROUP BY tag.prestudent_id
-			) AS tag_data_agg";
-
-			$this->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
+		// Add SELECTs and JOINs from config
+		$config = $this->_ci->config->item('list_columns') ?: [];
+		foreach ($config as $conf) {
+			$this->addSelect($conf['default']);
+			if (isset($conf['joins']))
+				foreach ($conf['joins'] as $join)
+					call_user_func_array([$this, 'addJoin'], $join);
 		}
 	}
 
@@ -249,11 +231,7 @@ class StudentListLib
 	 */
 	public function addWhere($key, $value = null, $escape = true)
 	{
-		if (!is_array($key) && is_array($value)) {
-			$this->_ci->PrestudentModel->db->where_in($key, $value, $escape);
-		} else {
-			$this->_ci->PrestudentModel->db->where($key, $value, $escape);
-		}
+		$this->_wheres[] = [$key, $value, $escape, false];
 	}
 
 	/**
@@ -267,11 +245,7 @@ class StudentListLib
 	 */
 	public function addOrWhere($key, $value = null, $escape = true)
 	{
-		if (!is_array($key) && is_array($value)) {
-			$this->_ci->PrestudentModel->db->or_where_in($key, $value, $escape);
-		} else {
-			$this->_ci->PrestudentModel->db->or_where($key, $value, $escape);
-		}
+		$this->_wheres[] = [$key, $value, $escape, true];
 	}
 
 	/**
@@ -283,8 +257,9 @@ class StudentListLib
 	 */
 	public function execute($studiensemester_kurzbz)
 	{
-		$stdsemEsc = $studiensemester_kurzbz ? $this->_ci->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
+		$this->addSelectAndJoinForTagsIfConfigured($studiensemester_kurzbz);
 
+		$stdsemEsc = $studiensemester_kurzbz ? $this->_ci->PrestudentModel->escape($studiensemester_kurzbz) : 'NULL';
 
 		$this->addSelect(
 			"public.get_rolle_prestudent(
@@ -315,6 +290,20 @@ class StudentListLib
 		foreach ($this->_selects as $select)
 			$this->_ci->PrestudentModel->addSelect($select[0], $select[1]);
 
+		foreach ($this->_wheres as $where) {
+			if (!is_array($where[0]) && is_array($where[1])) {
+				if ($where[3])
+					$this->_ci->PrestudentModel->db->or_where_in($where[0], $where[1], $where[2]);
+				else
+					$this->_ci->PrestudentModel->db->where_in($where[0], $where[1], $where[2]);
+			} else {
+				if ($where[3])
+					$this->_ci->PrestudentModel->db->or_where($where[0], $where[1], $where[2]);
+				else
+					$this->_ci->PrestudentModel->db->where($where[0], $where[1], $where[2]);
+			}
+		}
+
 		$this->_ci->PrestudentModel->addOrder('nachname');
 		$this->_ci->PrestudentModel->addOrder('vorname');
 
@@ -325,6 +314,78 @@ class StudentListLib
 	//------------------------------------------------------------------------------------------------------------------
 	// Protected methods
 
+	/**
+	 * Add Select and Join for Tags if configured
+	 *
+	 * @param string studiensemester_kurzbz
+	 *
+	 */
+	protected function addSelectAndJoinForTagsIfConfigured($studiensemester_kurzbz)
+	{
+		if (defined('STV_TAGS_ENABLED') && STV_TAGS_ENABLED) {
+			$this->_ci->load->config('stv');
+			$tags = $this->_ci->config->item('stv_prestudent_tags');
+
+			$whereTags = '';
+			if (is_array($tags) && !isEmptyArray($tags)) {
+				$tags = array_keys($tags);
+
+				foreach ($tags as $key => $tag) {
+					$tags[$key] = $this->_ci->PrestudentModel->escape($tag);
+				}
+				$whereTags = " AND nt.typ_kurzbz IN (" . implode(",", $tags) . ")";
+			}
+			$studiensemester_kurzbz_escaped = $this->_ci->PrestudentModel->escape($studiensemester_kurzbz);
+			$subQueryTag = "(
+				SELECT
+					tag.prestudent_id,
+					COALESCE(json_agg(tag ORDER BY tag.done, tag.prioritaet), '[]'::json) AS tags
+				FROM (
+					SELECT DISTINCT ON (n.notiz_id)
+						n.notiz_id AS id,
+						nt.typ_kurzbz,
+						nt.bezeichnung_mehrsprachig[(
+							SELECT index
+							FROM tbl_sprache
+							WHERE sprache=" . $this->_ci->PrestudentModel->escape(getUserLanguage()) . "
+						)] AS beschreibung,
+						n.text AS notiz,
+						nt.style,
+						n.erledigt AS done,
+						nt.prioritaet AS prioritaet,
+						nt.automatisiert AS automatisiert,
+						nz.prestudent_id,
+						n.start,
+						n.ende
+					FROM public.tbl_notizzuordnung AS nz
+					JOIN public.tbl_notiz AS n ON nz.notiz_id = n.notiz_id AND nz.prestudent_id IS NOT NULL
+					JOIN public.tbl_notiz_typ AS nt ON n.typ = nt.typ_kurzbz " . $whereTags . "
+				WHERE
+				  COALESCE(n.start, '1970-01-01') <= (
+					SELECT
+					  ende
+					FROM
+					  public.tbl_studiensemester
+					WHERE
+					  studiensemester_kurzbz = " . $studiensemester_kurzbz_escaped . "
+				  )
+				  AND COALESCE(n.ende, '2170-12-31') >= (
+					SELECT
+					  start
+					FROM
+					  public.tbl_studiensemester
+					WHERE
+					  studiensemester_kurzbz = " . $studiensemester_kurzbz_escaped . "
+				  )
+				) AS tag
+				GROUP BY tag.prestudent_id
+			) AS tag_data_agg";
+
+			$this->addSelect('tag_data_agg.tags');
+			$this->addJoin($subQueryTag, 'tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id', 'LEFT');
+		}
+	}
+
 	/**
 	 * Get alias of a table or select statement
 	 *

application/libraries/tags/CoreDoubleDegreeTagLib.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * Description of dd_auto
+ *
+ * @author ma0068
+ */
+class CoreDoubleDegreeTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('codex/Mobilitaet_model', 'MobilitaetModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->MobilitaetModel->addJoin('bis.tbl_gsprogramm', 'gsprogramm_id');
+		$this->ci->MobilitaetModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->MobilitaetModel-> loadWhere(array(
+			'gsprogrammtyp_kurzbz' => 'Double',
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval;
+
+		$doubledegree_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $doubledegree_data,
+			'typeId' => 'prestudent_id'
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->MobilitaetModel->addSelect('prestudent_id');
+		$this->ci->MobilitaetModel->addSelect('start as von');
+		$this->ci->MobilitaetModel->addSelect('ende as bis');
+
+		$this->ci->MobilitaetModel->addJoin('bis.tbl_gsprogramm', 'gsprogramm_id');
+		$this->ci->MobilitaetModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->MobilitaetModel->loadWhere(array(
+			'gsprogrammtyp_kurzbz' => 'Double',
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id
+		));
+
+		if(hasData($result))
+		{
+			//array mit prestudent_id, von und bis
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreFiftyFiveTagLib.php

@@ -0,0 +1,81 @@
+<?php
+/**
+ * Description unruly
+ * Test for different typeId
+ *
+ * @author ma0068
+ */
+class CoreFiftyFiveTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('person/Person_model', 'PersonModel');
+		$this->ci-> load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'person_id' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$result = $this->ci->StudiensemesterModel->loadWhere(array(
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval[0];
+
+		$semVon = $data->start;
+		$semBis = $data->ende;
+		$result = $this->ci->PersonModel->getFiftyFivers($semVon, $semBis);
+
+		$data = $result->retval;
+		$fiftyFiveData = array_map(function($item) {
+			return [
+				'id' => $item->person_id
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $fiftyFiveData,
+			'typeId' => 'person_id'
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'person_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$person_id = $params['id'];
+		$typeId = $params['typeId'];
+
+
+		$result = $this->ci->StudiensemesterModel->loadWhere(array(
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval[0];
+
+		$semVon = $data->start;
+		$semBis = $data->ende;
+		$result = $this->ci->PersonModel->isFiftyFive($semVon, $semBis, $person_id);
+
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}
+

application/libraries/tags/CoreIncomingTagLib.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Description of out_auto
+ *
+ * @author ma0068
+ */
+class CoreIncomingTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('codex/Bisio_model', 'BisioModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$result = $this->ci->BisioModel->getIncomingsOfSemester($semester);
+
+		$data = $result->retval;
+
+		$outgoing_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->von,
+				'bis' => $item->bis
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $outgoing_data,
+			'typeId' => 'prestudent_id',
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$result = $this->ci->BisioModel->isPrestudentIncoming($semester, $prestudent_id);
+
+		if (hasData($result)) {
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreJgvTagLib.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Description of jgv_auto (Jahrgangsvertretung)
+ *
+ * @author ma0068
+ */
+class CoreJgvTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$result = $this->ci->BenutzerfunktionModel->getPrestudentsOfJgv($semester);
+
+		$data = $result->retval;
+
+		$jgv_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->datum_von,
+				'bis' => $item->datum_bis
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $jgv_data,
+			'typeId' => 'prestudent_id'
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$result = $this->ci->BenutzerfunktionModel->isJgv($semester, $prestudent_id);
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreMissingZgvTagLib.php

@@ -0,0 +1,112 @@
+<?php
+/**
+ * Description of zgv_auto
+ *
+ * @author ma0068
+ */
+class CoreMissingZgvTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('crm/Prestudent_model', 'PrestudentModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->PrestudentModel->addJoin('public.tbl_prestudentstatus', 'prestudent_id');
+		$this->ci->PrestudentModel->addJoin('public.tbl_benutzer bn', 'person_id');
+		$this->ci->PrestudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+
+		$this->ci->PrestudentModel->db->group_start();
+
+		$this->ci->PrestudentModel->db->where('zgvdatum', null);
+		$this->ci->PrestudentModel->db->where('typ', 'b');
+
+		$this->ci->PrestudentModel->db->or_group_start();
+		$this->ci->PrestudentModel->db->where('zgvmadatum', null);
+		$this->ci->PrestudentModel->db->where('typ', 'm');
+		$this->ci->PrestudentModel->db->group_end();
+
+		$this->ci->PrestudentModel->db->group_end();
+
+		$result = $this->ci->PrestudentModel-> loadWhere(array(
+			'bn.aktiv' => true,
+			'studiensemester_kurzbz' => $semester
+		));
+
+		$data = $result->retval;
+
+		$zgvmissing_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => null,
+				'bis' => null
+			];
+		}, $data);
+
+		return (object) array(
+			'typeId' => 'prestudent_id',
+			'data' => $zgvmissing_data
+		);
+
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->PrestudentModel->addSelect('prestudent_id');
+		$this->ci->PrestudentModel->addSelect('start as von');
+		$this->ci->PrestudentModel->addSelect('ende as bis');
+		$this->ci->PrestudentModel->addJoin('public.tbl_prestudentstatus', 'prestudent_id');
+
+		//add studiensemester also here for manual rebuild
+		$this->ci->PrestudentModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$this->ci->PrestudentModel->addJoin('public.tbl_benutzer bn', 'person_id');
+		$this->ci->PrestudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+
+		$this->ci->PrestudentModel->db->group_start();
+
+		$this->ci->PrestudentModel->db->where('zgvdatum', null);
+		$this->ci->PrestudentModel->db->where('typ', 'b');
+
+		$this->ci->PrestudentModel->db->or_group_start();
+		$this->ci->PrestudentModel->db->where('zgvmadatum', null);
+		$this->ci->PrestudentModel->db->where('typ', 'm');
+		$this->ci->PrestudentModel->db->group_end();
+
+		$this->ci->PrestudentModel->db->group_end();
+		$this->ci->PrestudentModel->db->limit(1);
+
+		$result = $this->ci->PrestudentModel-> loadWhere(array(
+			'bn.aktiv' => true,
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id
+		));
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreOutgoingTagLib.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Description of out_auto
+ *
+ * @author ma0068
+ */
+class CoreOutgoingTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('codex/Bisio_model', 'BisioModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$result = $this->ci->BisioModel->getOutgoingsOfSemester($semester);
+
+		$data = $result->retval;
+
+		$outgoing_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->von,
+				'bis' => $item->bis
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $outgoing_data,
+			'typeId' => 'prestudent_id',
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$result = $this->ci->BisioModel->isPrestudentOutgoing($semester, $prestudent_id);
+
+		if (hasData($result)) {
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CorePreabbrecherTagLib.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * Description of prewh_auto
+ *
+ * @author ma0068
+ */
+class CorePreabbrecherTagLib
+{
+	protected $ci;
+	const TYP_ABMELDUNG = ['Abmeldung', 'AbmeldungStgl'];
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('education/Studierendenantrag_model', 'StudierendenantragModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->StudierendenantragModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+		$this->ci->StudierendenantragModel->db->where_in('typ', self::TYP_ABMELDUNG);
+		$this->ci->StudierendenantragModel->db->where('studiensemester_kurzbz', $semester);
+		$result = $this->ci->StudierendenantragModel->getWithLastStatusWhere([
+			'studierendenantrag_statustyp_kurzbz' => Studierendenantragstatus_model::STATUS_CREATED
+		]);
+
+		$data = $result->retval;
+
+		$prewiederholer_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $prewiederholer_data,
+			'typeId' => 'prestudent_id',
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->StudierendenantragModel->addSelect('prestudent_id');
+		$this->ci->StudierendenantragModel->addSelect('start as von');
+		$this->ci->StudierendenantragModel->addSelect('ende as bis');
+
+		$this->ci->StudierendenantragModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+		$this->ci->StudierendenantragModel->db->where_in('typ', self::TYP_ABMELDUNG);
+		$this->ci->StudierendenantragModel->db->where('studiensemester_kurzbz', $semester);
+		$this->ci->StudierendenantragModel->db->where('prestudent_id', $prestudent_id);
+		$result = $this->ci->StudierendenantragModel->getWithLastStatusWhere([
+			'studierendenantrag_statustyp_kurzbz' => Studierendenantragstatus_model::STATUS_CREATED
+		]);
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CorePrewiederholerTagLib.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Description of prewh_auto
+ *
+ * @author bambi
+ */
+class CorePrewiederholerTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+		$result = $this->ci->PrestudentstatusModel-> loadWhere(array(
+			'statusgrund_id' => 15,
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval;
+
+		$prewiederholer_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $prewiederholer_data,
+			'typeId' => 'prestudent_id',
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->PrestudentstatusModel->addSelect('prestudent_id');
+		$this->ci->PrestudentstatusModel->addSelect('start as von');
+		$this->ci->PrestudentstatusModel->addSelect('ende as bis');
+
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->PrestudentstatusModel->loadWhere(array(
+			'statusgrund_id' => 15,
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id
+		));
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreStbErhoehtTagLib.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Description of dd_auto
+ *
+ * @author ma0068
+ */
+class CoreStbErhoehtTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('crm/Konto_model', 'KontoModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->KontoModel->addJoin('public.tbl_prestudent', 'person_id');
+		$this->ci->KontoModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->KontoModel-> loadWhere(array(
+			'buchungstyp_kurzbz' => 'StudiengebuehrErhoeht',
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval;
+
+		$konto_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $konto_data,
+			'typeId' => 'prestudent_id'
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->KontoModel->addSelect('prestudent_id');
+		$this->ci->KontoModel->addSelect('start as von');
+		$this->ci->KontoModel->addSelect('ende as bis');
+		$this->ci->KontoModel->addJoin('public.tbl_prestudent', 'person_id');
+		$this->ci->KontoModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->KontoModel-> loadWhere(array(
+			'buchungstyp_kurzbz' => 'StudiengebuehrErhoeht',
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id
+		));
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreUnterbrecherTagLib.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Description of wiedereinstieg_auto
+ *
+ * @author ma0068
+ */
+class CoreUnterbrecherTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->PrestudentstatusModel-> loadWhere(array(
+			'status_kurzbz' => 'Unterbrecher',
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval;
+
+		$unterbrecher_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'data' => $unterbrecher_data,
+			'typeId' => 'prestudent_id'
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->PrestudentstatusModel->addSelect('prestudent_id');
+		$this->ci->PrestudentstatusModel->addSelect('start as von');
+		$this->ci->PrestudentstatusModel->addSelect('ende as bis');
+
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+		$result = $this->ci->PrestudentstatusModel-> loadWhere(array(
+			'status_kurzbz' => 'Unterbrecher',
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id
+		));
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+
+}

application/libraries/tags/CoreWiederholerTagLib.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Description of wh_auto
+ *
+ * @author bambi
+ */
+class CoreWiederholerTagLib
+{
+	protected $ci;
+
+	public function __construct()
+	{
+		$this->ci = get_instance();
+		$this->ci->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+	}
+
+	public function getZuordnungIds(array $params)
+	{
+		if(!isset($params['studiensemester_kurzbz']))
+		{
+			return (object) array(
+				'idArray' => []
+			);
+		}
+
+		$semester = $params['studiensemester_kurzbz'];
+
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+		$result = $this->ci->PrestudentstatusModel-> loadWhere(array(
+			'statusgrund_id' => 16,
+			'studiensemester_kurzbz' => $semester
+		));
+		$data = $result->retval;
+
+		$wiederholer_data = array_map(function($item) {
+			return [
+				'id' => $item->prestudent_id,
+				'von' => $item->start,
+				'bis' => $item->ende
+			];
+		}, $data);
+
+		return (object) array(
+			'typeId' => 'prestudent_id',
+			'data' => $wiederholer_data
+		);
+	}
+
+	public function isCriteriaSetFor(array $params)
+	{
+		if ( !isset($params['id'], $params['studiensemester_kurzbz'], $params['typeId']) ||	$params['typeId'] !== 'prestudent_id')
+			return false;
+
+		$semester = $params['studiensemester_kurzbz'];
+		$prestudent_id = $params['id'];
+
+		$this->ci->PrestudentstatusModel->addSelect('prestudent_id');
+		$this->ci->PrestudentstatusModel->addSelect('start as von');
+		$this->ci->PrestudentstatusModel->addSelect('ende as bis');
+
+		$this->ci->PrestudentstatusModel->addJoin('public.tbl_studiensemester', 'studiensemester_kurzbz');
+
+		$result = $this->ci->PrestudentstatusModel->loadWhere(array(
+			'statusgrund_id' => 16,
+			'studiensemester_kurzbz' => $semester,
+			'prestudent_id' => $prestudent_id,
+		));
+
+		if(hasData($result))
+		{
+			return $result;
+		}
+		else
+			return null;
+	}
+}

application/libraries/treemenu/LvVwLib.php

@@ -0,0 +1,192 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+/**
+ * LvVw Menu library
+ */
+class LvVwLib
+{
+	protected $_ci = null;
+
+	public $config = [];
+
+	public function __construct()
+	{
+		// Get code igniter instance
+		$this->_ci =& get_instance();
+
+		// Load Tree-config
+		$this->_ci->load->config('treemenu/custom/lvvw');
+		$this->config = $this->_ci->config->item('root');
+
+		// Load Libraries
+		$this->_ci->load->library('treemenu/base/StgLib');
+
+		// Load Model
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+	}
+
+	public function stg($path_template)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return [];
+
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
+			'"type": "verband",' .
+			'"id": "lv/%1$s",' .
+			'"gruppe_kurzbz": null,' .
+			'"semester": null,' .
+			'"verband": null,' .
+			'"gruppe": null,' .
+			'"lehrverband": true,' .
+			'"stg_kz": "%1$s"' .
+		"}', studiengang_kz)] AS draggable", false);
+
+		return $this->_ci->stglib->studiengang($path_template, $permittedStgs);
+	}
+
+	public function semester($path_template, $has_children, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if (!$has_children)
+			$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
+			'"type": "verband",' .
+			'"id": "lv/%1$s/%2$s",' .
+			'"gruppe_kurzbz": null,' .
+			'"semester": "%2$s",' .
+			'"verband": null,' .
+			'"gruppe": null,' .
+			'"lehrverband": true,' .
+			'"stg_kz": "%1$s"' .
+		"}', v.studiengang_kz, v.semester)] AS draggable", false);
+
+		return $this->_ci->stglib->semester($path_template, $stg->studiengang_kz);
+	}
+
+	public function verband($path_template, $stg, $semester)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		$this->_ci->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
+			'"type": "verband",' .
+			'"id": "lv/%1$s/%2$s/%3$s",' .
+			'"gruppe_kurzbz": null,' .
+			'"semester": "%2$s",' .
+			'"verband": "%3$s",' .
+			'"gruppe": null,' .
+			'"lehrverband": true,' .
+			'"stg_kz": "%1$s"' .
+		"}', v.studiengang_kz, v.semester, v.verband)] AS draggable", false);
+		$this->_ci->StudiengangModel->addGroupBy('v.studiengang_kz, v.semester');
+
+		return $this->_ci->stglib->verband($path_template, $stg->studiengang_kz, $semester);
+	}
+
+	public function group($path_template, $stg, $semester, $verband)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+		
+		if ($verband === null) {
+			$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
+				'"type": "verband",' .
+				'"id": "grp/%1$s/%2$s/%3$s",' .
+				'"gruppe_kurzbz": "%3$s",' .
+				'"semester": "%2$s",' .
+				'"verband": null,' .
+				'"gruppe": null,' .
+				'"lehrverband": false,' .
+				'"stg_kz": "%1$s"' .
+			"}', studiengang_kz, semester, gruppe_kurzbz)] AS draggable", false);
+
+			return $this->_ci->stglib->group($path_template, $stg->studiengang_kz, $semester);
+		}
+
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link', FORMAT('{" .
+			'"type": "verband",' .
+			'"id": "lv/%1$s/%2$s/%3$s/%4$s",' .
+			'"gruppe_kurzbz": null,' .
+			'"semester": "%2$s",' .
+			'"verband": "%3$s",' .
+			'"gruppe": "%4$s",' .
+			'"lehrverband": true,' .
+			'"stg_kz": "%1$s"' .
+		"}', v.studiengang_kz, v.semester, v.verband, v.gruppe)] AS draggable", false);
+
+		return $this->_ci->stglib->verbandsgroup($path_template, $stg->studiengang_kz, $semester, $verband);
+	}
+
+	public function orgform($path_template, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if (!$stg->mischform)
+			return [];
+		
+		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+
+		return $this->_ci->stglib->orgform($path_template, $stg->studiengang_kz);
+	}
+
+	protected function getPermittedStudiengangKzs()
+	{
+		$permittedStgs = $this->_ci->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$permittedStgs = array_merge($permittedStgs, $this->_ci->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+
+		return $permittedStgs;
+	}
+
+	protected function getStgFromUrl($stg)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return null;
+
+		$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $permittedStgs);
+		$stg = $this->_ci->StudiengangModel->loadWhere([
+			'LOWER(CONCAT(typ, kurzbz)) =' => $stg
+		]);
+
+		if (!hasData($stg))
+			return null;
+
+		return current(getData($stg));
+	}
+}

application/libraries/treemenu/StudVwLib.php

@@ -0,0 +1,257 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+/**
+ * StudVw Menu library
+ */
+class StudVwLib
+{
+	protected $_ci = null;
+
+	public $config = [];
+
+	public $redirect_method = [
+		'interessenten' => 'filter',
+		'bewerbungnichtabgeschickt' => 'filter',
+		'bewerbungabgeschickt' => 'filter',
+		'zgv' => 'filter',
+		'statusbestaetigt' => 'filter',
+		'statusbestaetigtrtnichtangemeldet' => 'filter',
+		'statusbestaetigtrtangemeldet' => 'filter',
+		'reihungstestnichtangemeldet' => 'filter',
+		'reihungstestangemeldet' => 'filter',
+		'bewerber' => 'filter',
+		'bewerberrtnichtangemeldet' => 'filter',
+		'bewerberrtangemeldet' => 'filter',
+		'bewerberrtangemeldetteilgenommen' => 'filter',
+		'bewerberrtangemeldetnichtteilgenommen' => 'filter',
+		'aufgenommen' => 'filter',
+		'warteliste' => 'filter',
+		'absage' => 'filter',
+		'outgoing' => 'inout',
+		'shared_studies' => 'inout'
+	];
+
+	public function __construct()
+	{
+		// Get code igniter instance
+		$this->_ci =& get_instance();
+
+		// Load Tree-config
+		$this->_ci->load->config('treemenu/stg_base');
+		$this->config = $this->_ci->config->item('root');
+
+		// Load Libraries
+		$this->_ci->load->library('treemenu/base/StgLib');
+
+		// Load Model
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+	}
+
+	public function stg($path_template)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return [];
+
+		return $this->_ci->stglib->studiengang($path_template, $permittedStgs);
+	}
+
+	public function prestudent($path_template, $stg)
+	{
+		// Check permission
+		if ($this->getStgFromUrl($stg) === null)
+			return [];
+
+		return [
+			[
+				'path' => sprintf($path_template, '1'),
+				'name' => ['lehre', 'prestudent'],
+				'no_sem_reload' => true
+			]
+		];
+	}
+
+	public function stdsem($path_template, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		return $this->_ci->stglib->studiensemester($path_template, $stg->studiengang_kz);
+	}
+
+	public function semester($path_template, $stg, $orgform)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if ($orgform !== null) {
+			$orgform = $this->getOrgform($orgform);
+			if ($orgform === null)
+				return [];
+			$orgform = $orgform->orgform_kurzbz;
+		}
+
+		return $this->_ci->stglib->semester($path_template, $stg->studiengang_kz, $orgform);
+	}
+
+	public function verband($path_template, $stg, $semester, $orgform)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if ($orgform !== null) {
+			$orgform = $this->getOrgform($orgform);
+			if ($orgform === null)
+				return [];
+			$orgform = $orgform->orgform_kurzbz;
+		}
+
+		$this->_ci->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");
+
+		return $this->_ci->stglib->verband($path_template, $stg->studiengang_kz, $semester, $orgform);
+	}
+
+	public function group($path_template, $stg, $semester, $verband, $orgform)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if ($orgform !== null) {
+			$orgform = $this->getOrgform($orgform);
+			if ($orgform === null)
+				return [];
+			$orgform = $orgform->orgform_kurzbz;
+		}
+
+		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+		
+		if ($verband === null)
+			return $this->_ci->stglib->group($path_template, $stg->studiengang_kz, $semester, $orgform);
+
+		return $this->_ci->stglib->verbandsgroup($path_template, $stg->studiengang_kz, $semester, $verband, $orgform);
+	}
+
+	public function orgform($path_template, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if (!$stg->mischform)
+			return [];
+
+		return $this->_ci->stglib->orgform($path_template, $stg->studiengang_kz);
+	}
+
+	public function incoming($has_children, $path_template, $stg)
+	{
+		if ($stg === null)
+			return $this->inout('incoming', $has_children, $path_template);
+		
+		return $this->filter('incoming', $has_children, $path_template, $stg);
+	}
+
+	public function filter($original_method, $has_children, $path_template, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		// TODO(chris): phrasen
+		$item = [
+			'path' => sprintf($path_template, '1'),
+			'name' => ['treemenu', 'filter_' . $original_method]
+		];
+
+		if (!$has_children)
+			$item['leaf'] = true;
+
+		return [ $item ];
+	}
+
+	public function inout($original_method, $has_children, $path_template)
+	{
+		if (!$this->_ci->permissionlib->isBerechtigt('inout/uebersicht'))
+			return [];
+
+		// TODO(chris): phrasen
+		$item = [
+			'path' => sprintf($path_template, '1'),
+			'name' => ['treemenu', 'inout_' . $original_method]
+		];
+
+		if (!$has_children)
+			$item['leaf'] = true;
+
+		return [ $item ];
+	}
+
+	protected function getOrgform($orgform)
+	{
+		$this->_ci->load->model('codex/Orgform_model', 'OrgformModel');
+		$orgform = $this->_ci->OrgformModel->loadWhere([
+			'LOWER(orgform_kurzbz) =' => $orgform
+		]);
+
+		if (!hasData($orgform))
+			return null;
+
+		return current(getData($orgform));
+	}
+
+	protected function getPermittedStudiengangKzs()
+	{
+		$permittedStgs = $this->_ci->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$permittedStgs = array_merge($permittedStgs, $this->_ci->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+
+		return $permittedStgs;
+	}
+
+	protected function getStgFromUrl($stg)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return null;
+
+		$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $permittedStgs);
+		$stg = $this->_ci->StudiengangModel->loadWhere([
+			'LOWER(CONCAT(typ, kurzbz)) =' => $stg
+		]);
+
+		if (!hasData($stg))
+			return null;
+
+		return current(getData($stg));
+	}
+}

application/libraries/treemenu/TempusLib.php

@@ -0,0 +1,148 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+/**
+ * Tempus Menu library
+ */
+class TempusLib
+{
+	protected $_ci = null;
+
+	public $config = [];
+
+	public function __construct()
+	{
+		// Get code igniter instance
+		$this->_ci =& get_instance();
+
+		// Load Tree-config
+		$this->_ci->load->config('treemenu/custom/tempus');
+		$this->config = $this->_ci->config->item('root');
+
+		// Load Libraries
+		$this->_ci->load->library('treemenu/base/StgLib');
+
+		// Load Model
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+	}
+
+	public function stg($path_template)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return [];
+
+		return $this->_ci->stglib->studiengang($path_template, $permittedStgs);
+	}
+
+	public function semester($path_template, $has_children, $stg)
+	{
+
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if (!$has_children)
+			$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+
+		return $this->_ci->stglib->semester($path_template, $stg->studiengang_kz);
+	}
+
+	public function verband($path_template, $stg, $semester)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		$this->_ci->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");
+		$this->_ci->StudiengangModel->addGroupBy('v.studiengang_kz, v.semester');
+
+
+		return $this->_ci->stglib->verband($path_template, $stg->studiengang_kz, $semester);
+	}
+
+	public function group($path_template, $stg, $semester, $verband)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+
+		if ($verband === null) {
+			$this->_ci->load->model('organisation/Gruppe_model', 'GruppeModel');
+			$this->_ci->GruppeModel->addSelect('semester');
+
+			return $this->_ci->stglib->group($path_template, $stg->studiengang_kz, $semester);
+		}
+
+
+		return $this->_ci->stglib->verbandsgroup($path_template, $stg->studiengang_kz, $semester, $verband);
+	}
+
+	public function orgform($path_template, $stg)
+	{
+		$stg = $this->getStgFromUrl($stg);
+
+		if ($stg === null)
+			return [];
+
+		if (!$stg->mischform)
+			return [];
+		
+		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
+
+		$this->_ci->load->model('organisation/Studienordnung_model', 'StudienordnungModel');
+		$this->_ci->StudienordnungModel->addSelect("p.orgform_kurzbz");
+
+		return $this->_ci->stglib->orgform($path_template, $stg->studiengang_kz);
+	}
+
+	protected function getPermittedStudiengangKzs()
+	{
+		$permittedStgs = $this->_ci->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$permittedStgs = array_merge($permittedStgs, $this->_ci->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+		$permittedStgs = array_merge($permittedStgs, $this->_ci->permissionlib->getSTG_isEntitledFor('lehre/lvplan') ?: []);
+		return $permittedStgs;
+	}
+
+	protected function getStgFromUrl($stg)
+	{
+		$permittedStgs = $this->getPermittedStudiengangKzs();
+
+		if (!$permittedStgs)
+			return null;
+
+		$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $permittedStgs);
+		$stg = $this->_ci->StudiengangModel->loadWhere([
+			'LOWER(CONCAT(typ, kurzbz)) =' => $stg
+		]);
+
+		if (!hasData($stg))
+			return null;
+
+		return current(getData($stg));
+	}
+}

application/libraries/treemenu/base/StgLib.php

@@ -0,0 +1,313 @@
+<?php
+
+/**
+ * Copyright (C) 2026 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');
+
+/**
+ * Stg Base library
+ */
+class StgLib
+{
+	protected $_ci = null;
+
+	public function __construct()
+	{
+		// Get code igniter instance
+		$this->_ci =& get_instance();
+	}
+
+	public function studiengang($path_template, $permittedStgs = [])
+	{
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->_ci->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+		
+		$this->_ci->StudiengangModel->addDistinct();
+		$this->_ci->StudiengangModel->addSelect("FORMAT(" . $this->_ci->StudiengangModel->escape($path_template) . ", LOWER(CONCAT(typ, kurzbz))) AS path");
+		$this->_ci->StudiengangModel->addSelect(
+			"CONCAT(kurzbzlang, ' (', UPPER(CONCAT(typ, kurzbz)), ') - ', tbl_studiengang.bezeichnung) AS name",
+			false
+		);
+		$this->_ci->StudiengangModel->addSelect("studiengang_kz AS title");
+		$this->_ci->StudiengangModel->addSelect("studiengang_kz AS search");
+		$this->_ci->StudiengangModel->addSelect('erhalter_kz');
+		$this->_ci->StudiengangModel->addSelect('typ');
+		$this->_ci->StudiengangModel->addSelect('kurzbz');
+		$this->_ci->StudiengangModel->addSelect('studiengang_kz');
+		$this->_ci->StudiengangModel->addSelect('studiengang_kz AS stg_kz');
+		
+		$this->_ci->StudiengangModel->addOrder('erhalter_kz');
+		$this->_ci->StudiengangModel->addOrder('typ');
+		$this->_ci->StudiengangModel->addOrder('kurzbz');
+
+		if ($permittedStgs)
+			$this->_ci->StudiengangModel->db->where_in('studiengang_kz', $permittedStgs);
+
+		$result = $this->_ci->StudiengangModel->loadWhere(['v.aktiv' => true]);
+
+		return getData($result) ?: [];
+	}
+
+	public function semester($path_template, $studiengang_kz, $orgform_kurzbz = null)
+	{
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->_ci->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+		
+		$this->_ci->StudiengangModel->addDistinct();
+		$this->_ci->StudiengangModel->addSelect("FORMAT(" . $this->_ci->StudiengangModel->escape($path_template) . ", semester) AS path", false);
+		$this->_ci->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->_ci->StudiengangModel->addSelect('semester');
+		$this->_ci->StudiengangModel->addSelect('v.studiengang_kz AS stg_kz');
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link-strict', 'student-collection'] AS droplink");
+		
+		$this->_ci->StudiengangModel->addOrder('semester');
+
+		if ($orgform_kurzbz !== null) {
+			$this->_ci->StudiengangModel->addSelect($this->_ci->StudiengangModel->escape($orgform_kurzbz) . " AS orgform_kurzbz", false);
+			$this->_ci->StudiengangModel->addDistinct();
+			$this->_ci->StudiengangModel->db->group_start();
+			$this->_ci->StudiengangModel->db->where('v.semester', 0);
+			$this->_ci->StudiengangModel->db->or_where('v.orgform_kurzbz', $orgform_kurzbz);
+			$this->_ci->StudiengangModel->db->group_end();
+		}
+
+		$result = $this->_ci->StudiengangModel->loadWhere([
+			'studiengang_kz' => $studiengang_kz,
+			'v.aktiv' => true
+		]);
+
+
+		return getData($result) ?: [];
+	}
+
+	public function group($path_template, $studiengang_kz, $semester, $orgform_kurzbz = null)
+	{
+		$this->_ci->load->model('organisation/Gruppe_model', 'GruppeModel');
+
+		$this->_ci->GruppeModel->addDistinct();
+		$this->_ci->GruppeModel->addSelect("FORMAT(" . $this->_ci->GruppeModel->escape($path_template) . ", gruppe_kurzbz) AS path", false);
+		$this->_ci->GruppeModel->addSelect("CONCAT(gruppe_kurzbz, ' (', bezeichnung, ')') AS name", false);
+
+		$this->_ci->GruppeModel->addSelect('sort');
+		$this->_ci->GruppeModel->addSelect('gruppe_kurzbz');
+		$this->_ci->GruppeModel->addSelect($this->_ci->GruppeModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+		$this->_ci->GruppeModel->addSelect("ARRAY['link-strict', 'student-collection'] AS droplink");
+
+		$this->_ci->GruppeModel->addOrder('sort');
+		$this->_ci->GruppeModel->addOrder('gruppe_kurzbz');
+
+		$where = [
+			'studiengang_kz' => $studiengang_kz,
+			'semester' => $semester,
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false
+		];
+
+		if ($orgform_kurzbz !== null)
+			$where['orgform_kurzbz'] = $orgform_kurzbz;
+
+		$result = $this->_ci->GruppeModel->loadWhere($where);
+
+		return getData($result) ?: [];
+	}
+
+	public function verband($path_template, $studiengang_kz, $semester, $orgform_kurzbz = null)
+	{
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		
+		$this->_ci->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+		
+		$this->_ci->StudiengangModel->addSelect("FORMAT(" . $this->_ci->StudiengangModel->escape($path_template) . ", verband) AS path", false);
+		$this->_ci->StudiengangModel->addSelect("CONCAT(
+			UPPER(CONCAT(typ, kurzbz)), 
+			'-', 
+			semester, 
+			verband, 
+			(
+				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 
+				AND verband=v.verband 
+				ORDER BY gruppe 
+				LIMIT 1
+			)
+		) AS name", false);
+
+		$this->_ci->StudiengangModel->addSelect($this->_ci->StudiengangModel->escape($semester) . ' AS semester');
+		$this->_ci->StudiengangModel->addSelect('verband');
+		$this->_ci->StudiengangModel->addSelect($this->_ci->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link-strict', 'student-collection'] AS droplink");
+		
+		$this->_ci->StudiengangModel->addOrder('verband');
+
+		$this->_ci->StudiengangModel->addGroupBy('path, name, verband');
+		
+		$where = [
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.semester' => $semester,
+			'v.verband !=' => '',
+			'v.aktiv' => true
+		];
+
+		if ($orgform_kurzbz !== null && $semester) // NOTE(chris): on semester 0 show all?
+			$where['v.orgform_kurzbz'] = $orgform_kurzbz;
+
+		$result = $this->_ci->StudiengangModel->loadWhere($where);
+
+		return getData($result) ?: [];
+	}
+
+	public function verbandsgroup($path_template, $studiengang_kz, $semester, $verband, $orgform_kurzbz = null)
+	{
+		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$this->_ci->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+		
+		$this->_ci->StudiengangModel->addDistinct();
+		$this->_ci->StudiengangModel->addSelect("FORMAT(
+			" . $this->_ci->StudiengangModel->escape($path_template) . ", 
+			gruppe
+		) AS path", false);
+		$this->_ci->StudiengangModel->addSelect("CONCAT(
+			UPPER(CONCAT(typ, kurzbz)), 
+			'-', 
+			semester, 
+			verband, 
+			gruppe, 
+			(
+				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 
+				AND verband=v.verband 
+				AND gruppe=v.gruppe 
+				ORDER BY gruppe 
+				LIMIT 1
+			)
+		) AS name", false);
+
+		$this->_ci->StudiengangModel->addSelect('v.semester');
+		$this->_ci->StudiengangModel->addSelect('v.verband');
+		$this->_ci->StudiengangModel->addSelect('gruppe');
+		$this->_ci->StudiengangModel->addSelect($this->_ci->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+		$this->_ci->StudiengangModel->addSelect("ARRAY['link-strict', 'student-collection'] AS droplink");
+		
+		$this->_ci->StudiengangModel->addOrder('gruppe');
+
+		$where = [
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.semester' => $semester,
+			'v.verband' => $verband,
+			'v.gruppe !=' => '',
+			'v.aktiv' => true
+		];
+
+		if ($orgform_kurzbz !== null && $semester) // NOTE(chris): on semester 0 show all?
+			$where['v.orgform_kurzbz'] = $orgform_kurzbz;
+
+		$result = $this->_ci->StudiengangModel->loadWhere($where);
+
+		return getData($result) ?: [];
+	}
+
+	public function orgform($path_template, $studiengang_kz)
+	{
+		$this->_ci->load->model('organisation/Studienordnung_model', 'StudienordnungModel');
+
+		$this->_ci->StudienordnungModel->addDistinct();
+		$this->_ci->StudienordnungModel->addSelect("FORMAT(
+			" . $this->_ci->StudienordnungModel->escape($path_template) . ", 
+			LOWER(p.orgform_kurzbz)
+		) AS path");
+		$this->_ci->StudienordnungModel->addSelect("p.orgform_kurzbz AS name");
+		$this->_ci->StudienordnungModel->addSelect("studiengang_kz AS stg_kz");
+
+		$this->_ci->StudienordnungModel->addJoin('lehre.tbl_studienplan p', 'studienordnung_id');
+
+		$result = $this->_ci->StudienordnungModel->loadWhere([
+			'aktiv' => true,
+			'studiengang_kz' => $studiengang_kz,
+			'p.orgform_kurzbz !=' => 'DDP'
+		]);
+
+
+		return getData($result) ?: [];
+	}
+
+	public function studiensemester($path_template, $studiengang_kz)
+	{
+		$number_displayed_past_studiensemester = null;
+		
+		$this->_ci->load->model('system/Variable_model', 'VariableModel');
+		
+		$result = $this->_ci->VariableModel->getVariables(getAuthUID(), ['number_displayed_past_studiensemester']);
+		if (isError($result))
+			return [];
+
+		$data = getData($result);
+		if ($data && isset($data['number_displayed_past_studiensemester'])) {
+			$number_displayed_past_studiensemester = $data['number_displayed_past_studiensemester'];
+		} else {
+			$this->_ci->load->config('stv');
+			$number_displayed_past_studiensemester = $this->_ci->config->item('number_displayed_past_studiensemester_default');
+		}
+
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->_ci->StudiensemesterModel->addPlusMinus(null, $number_displayed_past_studiensemester);
+		
+		$this->_ci->StudiensemesterModel->addSelect("studiensemester_kurzbz AS name");
+		$this->_ci->StudiensemesterModel->addSelect("FORMAT(
+			" . $this->_ci->StudiensemesterModel->escape($path_template) . ", 
+			LOWER(studiensemester_kurzbz)
+		) AS path", false);
+		$this->_ci->StudiensemesterModel->addSelect($this->_ci->StudiensemesterModel->escape($studiengang_kz) . " AS stg_kz", false);
+		
+		$this->_ci->StudiensemesterModel->addOrder('ende');
+
+		$result = $this->_ci->StudiensemesterModel->load();
+
+		return getData($result) ?: [];
+	}
+}

application/libraries/vertragsbestandteil/Gehaltsbestandteil.php

@@ -13,6 +13,7 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 	protected $dienstverhaeltnis_id;
 	protected $vertragsbestandteil_id;
 	protected $gehaltstyp_kurzbz;
+	protected $gehaltsanpassungtyp_kurzbz = '';
 	protected $von;
     protected $bis;
 	protected $anmerkung;
@@ -21,6 +22,7 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 	protected $valorisierungssperre;
 	protected $valorisierung;
 	protected $auszahlungen;
+	protected $gehaltstyp_bezeichnung;
 	
 	protected $insertamum;
 	protected $insertvon;
@@ -39,6 +41,10 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		isset($data->dienstverhaeltnis_id) && $this->setDienstverhaeltnis_id($data->dienstverhaeltnis_id);
 		isset($data->vertragsbestandteil_id) && $this->setVertragsbestandteil_id($data->vertragsbestandteil_id);
 		isset($data->gehaltstyp_kurzbz) && $this->setGehaltstyp_kurzbz($data->gehaltstyp_kurzbz);
+		//isset($data->gehaltsanpassungtyp_kurzbz) && $this->setGehaltsanpassungtyp_kurzbz($data->gehaltsanpassungtyp_kurzbz);
+		if (!empty($data->gehaltsanpassungtyp_kurzbz)) {
+			$this->setGehaltsanpassungtyp_kurzbz($data->gehaltsanpassungtyp_kurzbz);
+		}
 		isset($data->von) && $this->setVon($data->von);
 		isset($data->bis) && $this->setBis($data->bis);
 		isset($data->anmerkung) && $this->setAnmerkung($data->anmerkung);
@@ -47,7 +53,8 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		isset($data->valorisierungssperre) && $this->setValorisierungssperre($data->valorisierungssperre);
 		isset($data->valorisierung) && $this->setValorisierung($data->valorisierung);
 		isset($data->auszahlungen) && $this->setAuszahlungen($data->auszahlungen);
-		
+		isset($data->gehaltstyp_bezeichnung) && $this->setGehaltstyp_bezeichnung($data->gehaltstyp_bezeichnung);
+
 		isset($data->insertamum) && $this->setInsertamum($data->insertamum);
 		isset($data->insertvon) && $this->setInsertvon($data->insertvon);
 		isset($data->updateamum) && $this->setUpdateamum($data->updateamum);
@@ -75,6 +82,11 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		return $this->gehaltstyp_kurzbz;
 	}
 
+	public function getGehaltsanpassungtyp_kurzbz()
+	{
+		return $this->gehaltsanpassungtyp_kurzbz;
+	}
+
 	public function getVon()
 	{
 		return $this->von;
@@ -178,6 +190,13 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		return $this;
 	}
 
+	public function setGehaltsanpassungtyp_kurzbz($gehaltsanpassungtyp_kurzbz)
+	{
+		$this->markDirty('gehaltsanpassungtyp_kurzbz', $this->gehaltsanpassungtyp_kurzbz, $gehaltsanpassungtyp_kurzbz);
+		$this->gehaltsanpassungtyp_kurzbz = $gehaltsanpassungtyp_kurzbz;
+		return $this;
+	}
+
 	public function setVon($von)
 	{
 		$this->markDirty('von', $this->von, $von);
@@ -206,6 +225,10 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		    $grundbetrag = number_format($grundbetrag, 2, '.', '');
 		}
 		$this->markDirty('grundbetrag', $this->grundbetrag, $grundbetrag);
+		if(in_array('grundbetrag', $this->modifiedcolumns))
+		{
+			$this->setBetrag_valorisiert($grundbetrag);
+		}
 		$this->grundbetrag = $grundbetrag;
 		return $this;
 	}
@@ -242,6 +265,13 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		return $this;
 	}
 
+	public function setGehaltstyp_bezeichnung($gehaltstyp_bezeichnung)
+	{
+		$this->markDirty('gehaltstyp_bezeichnung', $this->gehaltstyp_bezeichnung, $gehaltstyp_bezeichnung);
+		$this->gehaltstyp_bezeichnung = $gehaltstyp_bezeichnung;
+		return $this;
+	}
+
 	public function setInsertamum($insertamum)
 	{
 		$this->markDirty('insertamum', $this->insertamum, $insertamum);
@@ -284,6 +314,7 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 			'dienstverhaeltnis_id' => $this->getDienstverhaeltnis_id(),
 			'vertragsbestandteil_id' => $this->getVertragsbestandteil_id(),
 			'gehaltstyp_kurzbz' => $this->getGehaltstyp_kurzbz(),
+			'gehaltsanpassungtyp_kurzbz' => $this->getGehaltsanpassungtyp_kurzbz(),
 			'von' => $this->getVon(),
 			'bis' => $this->getBis(),
 			'anmerkung' => $this->getAnmerkung(),
@@ -312,6 +343,7 @@ class Gehaltsbestandteil extends AbstractBestandteil implements \JsonSerializabl
 		dienstverhaeltnis_id: {$this->getDienstverhaeltnis_id()}
 		vertragsbestandteil_id: {$this->getVertragsbestandteil_id()}
 		gehaltstyp_kurzbz: {$this->getGehaltstyp_kurzbz()}
+		gehaltsanpassungtyp_kurzbz: {$this->getGehaltsanpassungtyp_kurzbz()}
 		von: {$this->getVon()}
 		bis: {$this->getBis()}
 		anmerkung: {$this->getAnmerkung()}

application/models/codex/Bisio_model.php

@@ -44,4 +44,110 @@ class Bisio_model extends DB_Model
 		else
 			return success("Bisio not found");
 	}
+
+	/**
+	 * Gets outgoing students of certain Semester
+	 * @param String studiensemester_kurzbz
+	 * @return array of prestudent_ids
+	 */
+	public function getOutgoingsOfSemester($studiensemester_kurzbz)
+	{
+		$query = "
+			SELECT DISTINCT ps.prestudent_id, tbl_bisio.von, tbl_bisio.bis
+			FROM bis.tbl_bisio
+			JOIN public.tbl_student USING (student_uid)
+			JOIN public.tbl_prestudent ps USING (prestudent_id)
+			JOIN public.tbl_prestudentstatus pss ON (ps.prestudent_id = pss.prestudent_id)
+			JOIN public.tbl_studiensemester ss ON (pss.studiensemester_kurzbz = ss.studiensemester_kurzbz)
+			WHERE ss.studiensemester_kurzbz = ?
+			AND nation_code <> 'A'
+			AND (
+			  tbl_bisio.von <= ss.ende
+			  AND (
+				tbl_bisio.bis >= ss.start
+				OR tbl_bisio.bis IS NULL
+			  )
+			)
+		";
+
+		return $this->execQuery($query, array($studiensemester_kurzbz));
+	}
+
+	/**
+	 * Gets incoming students of certain Semester
+	 * @param String studiensemester_kurzbz
+	 * @return array of prestudent_ids
+	 */
+	public function getIncomingsOfSemester($studiensemester_kurzbz)
+	{
+		$query = "
+			SELECT DISTINCT ps.prestudent_id, tbl_bisio.von, tbl_bisio.bis
+			FROM bis.tbl_bisio
+			JOIN public.tbl_student USING (student_uid)
+			JOIN public.tbl_prestudent ps USING (prestudent_id)
+			JOIN public.tbl_prestudentstatus pss ON (ps.prestudent_id = pss.prestudent_id)
+			JOIN public.tbl_studiensemester ss ON (pss.studiensemester_kurzbz = ss.studiensemester_kurzbz)
+			WHERE ss.studiensemester_kurzbz = ?
+			AND nation_code = 'A'
+			AND (
+			  tbl_bisio.von <= ss.ende
+			  AND (
+				tbl_bisio.bis >= ss.start
+				OR tbl_bisio.bis IS NULL
+			  )
+			)
+		";
+
+		return $this->execQuery($query, array($studiensemester_kurzbz));
+	}
+
+	public function isPrestudentOutgoing($studiensemester_kurzbz, $prestudent_id)
+	{
+		$query = "
+			SELECT
+				ps.prestudent_id, tbl_bisio.von, tbl_bisio.bis
+			FROM bis.tbl_bisio
+			JOIN public.tbl_student USING (student_uid)
+			JOIN public.tbl_prestudent ps USING (prestudent_id)
+			JOIN public.tbl_prestudentstatus pss ON (ps.prestudent_id = pss.prestudent_id)
+			JOIN public.tbl_studiensemester ss ON (pss.studiensemester_kurzbz = ss.studiensemester_kurzbz)
+			WHERE ss.studiensemester_kurzbz = ?
+			AND nation_code <> 'A'
+			AND (
+			  tbl_bisio.von <= ss.ende
+			  AND (
+				tbl_bisio.bis >= ss.start
+				OR tbl_bisio.bis IS NULL
+			  )
+			)
+			AND ps.prestudent_id = ?
+		";
+
+		return $this->execQuery($query, array($studiensemester_kurzbz, $prestudent_id));
+	}
+
+	public function isPrestudentIncoming($studiensemester_kurzbz, $prestudent_id)
+	{
+		$query = "
+			SELECT
+				ps.prestudent_id, tbl_bisio.von, tbl_bisio.bis
+			FROM bis.tbl_bisio
+			JOIN public.tbl_student USING (student_uid)
+			JOIN public.tbl_prestudent ps USING (prestudent_id)
+			JOIN public.tbl_prestudentstatus pss ON (ps.prestudent_id = pss.prestudent_id)
+			JOIN public.tbl_studiensemester ss ON (pss.studiensemester_kurzbz = ss.studiensemester_kurzbz)
+			WHERE ss.studiensemester_kurzbz = ?
+			AND nation_code = 'A'
+			AND (
+			  tbl_bisio.von <= ss.ende
+			  AND (
+				tbl_bisio.bis >= ss.start
+				OR tbl_bisio.bis IS NULL
+			  )
+			)
+			AND ps.prestudent_id = ?
+		";
+
+		return $this->execQuery($query, array($studiensemester_kurzbz, $prestudent_id));
+	}
 }

application/models/crm/Dokument_model.php

@@ -57,7 +57,7 @@ class Dokument_model extends DB_Model
 
 		$qry = " SELECT
 				  a.akte_id,
-				  a.bezeichnung,
+				  dok.bezeichnung,
 				  a.dokument_kurzbz,
 				  a.titel_intern,
 				  a.anmerkung_intern,
@@ -83,6 +83,7 @@ class Dokument_model extends DB_Model
 				  inhalt
 				FROM
 				  public.tbl_akte a
+				  JOIN public.tbl_dokument dok ON (dok.dokument_kurzbz = a.dokument_kurzbz)
 				WHERE
 				  a.person_id = ?
 				  AND a.dokument_kurzbz NOT IN (

application/models/crm/Student_model.php

@@ -204,7 +204,7 @@ class Student_model extends DB_Model
 
 		Events::trigger(
 			'generate_student_uid',
-			function ($value) use ($uid) {
+			function ($value) use (&$uid) {
 				$uid = $value;
 			},
 			$stgkzl,

application/models/education/Lehreinheit_model.php

@@ -395,6 +395,80 @@ EOSQL;
 		return $this->execReadOnlyQuery($qry, $params);
 	}
 
+	public function getOffeneStunden($lehreinheit_ids)
+	{
+		if (!is_array($lehreinheit_ids))
+			$lehreinheit_ids = [$lehreinheit_ids];
+
+		if (empty($lehreinheit_ids))
+			return success([]);
+
+		$db = new DB_Model();
+		$placeholders = implode(',', array_fill(0, count($lehreinheit_ids), '?'));
+
+		$qry = "WITH eventdauer AS (
+					SELECT
+						tbl_kalender_lehreinheit.lehreinheit_id,
+						tbl_kalender.von,
+						tbl_kalender.bis,
+						tbl_kalender.kalender_id
+					FROM lehre.tbl_lehreinheit
+							JOIN lehre.tbl_kalender_lehreinheit USING(lehreinheit_id)
+							JOIN lehre.tbl_kalender USING(kalender_id)
+					WHERE tbl_lehreinheit.lehreinheit_id IN ($placeholders)
+						AND NOT EXISTS (SELECT 1 FROM lehre.tbl_kalender nachfolger
+										WHERE nachfolger.vorgaenger_kalender_id = tbl_kalender.kalender_id)
+						AND tbl_kalender.status_kurzbz NOT IN ('deleted', 'todelete', 'archived')
+					GROUP BY tbl_kalender_lehreinheit.lehreinheit_id, tbl_kalender.von, tbl_kalender.bis, tbl_kalender.kalender_id
+				),
+				raster AS (
+					SELECT
+						eventdauer.lehreinheit_id,
+						eventdauer.kalender_id,
+						eventdauer.von,
+						eventdauer.bis,
+						vonstunde.stunde AS vonstunde_nr,
+						bisstunde.stunde AS bisstunde_nr
+					FROM eventdauer
+						LEFT JOIN lehre.tbl_stunde vonstunde ON eventdauer.von::time = vonstunde.beginn
+						LEFT JOIN lehre.tbl_stunde bisstunde ON eventdauer.bis::time = bisstunde.ende
+				),
+				unterrichtsdauer AS (
+					SELECT
+						raster.lehreinheit_id,
+						raster.kalender_id,
+						sum(EXTRACT(EPOCH FROM (LEAST(stunde.ende, raster.bis::time) - GREATEST(stunde.beginn, raster.von::time))) / 60) AS minuten
+					FROM raster JOIN lehre.tbl_stunde stunde ON stunde.beginn < raster.bis::time AND stunde.ende > raster.von::time
+					WHERE raster.vonstunde_nr IS NULL OR raster.bisstunde_nr IS NULL
+					GROUP BY raster.lehreinheit_id, raster.kalender_id
+				),
+				verplantestunden AS (
+					SELECT raster.lehreinheit_id, raster.kalender_id,
+						CASE
+							WHEN raster.vonstunde_nr IS NOT NULL AND raster.bisstunde_nr IS NOT NULL
+								THEN (raster.bisstunde_nr - raster.vonstunde_nr + 1)
+							ELSE coalesce(unterrichtsdauer.minuten, 0) / 45
+						END AS verplantestunde
+					FROM raster LEFT JOIN unterrichtsdauer ON unterrichtsdauer.lehreinheit_id = raster.lehreinheit_id AND unterrichtsdauer.kalender_id = raster.kalender_id
+				),
+				verplant_gesamt AS (
+					SELECT lehreinheit_id, SUM(verplantestunde) AS verplant
+					FROM verplantestunden
+					GROUP BY lehreinheit_id
+				)
+				SELECT
+					lema.lehreinheit_id,
+					lema.mitarbeiter_uid,
+					lema.planstunden,
+					ROUND(coalesce(verplant_gesamt.verplant, 0), 2) AS verplant,
+					ROUND((lema.planstunden - coalesce(verplant_gesamt.verplant, 0)), 2) AS offenestunden
+				FROM lehre.tbl_lehreinheitmitarbeiter lema
+					LEFT JOIN verplant_gesamt ON verplant_gesamt.lehreinheit_id = lema.lehreinheit_id
+				WHERE lema.lehreinheit_id IN ($placeholders)";
+
+		return $db->execReadOnlyQuery($qry, array_merge($lehreinheit_ids, $lehreinheit_ids));
+	}
+
 	private function getLVTmp($stg_kz = null)
 	{
 		$qry = "SELECT DISTINCT ON(lehrveranstaltung_id) *, 
@@ -719,7 +793,7 @@ EOSQL;
 		return "tag_data_agg AS (
 					SELECT
 						lehreinheit_id,
-						COALESCE(json_agg(tag ORDER BY done), '[]'::json) AS tags
+						COALESCE(json_agg(tag ORDER BY done, prioritaet), '[]'::json) AS tags
 					FROM (
 							SELECT DISTINCT ON (public.tbl_notiz.notiz_id)
 								tbl_notiz.notiz_id AS id,
@@ -728,7 +802,9 @@ EOSQL;
 								text AS notiz,
 								style,
 								erledigt AS done,
-								lehreinheit_id
+								lehreinheit_id,
+								prioritaet,
+								automatisiert
 							FROM public.tbl_notizzuordnung
 								JOIN public.tbl_notiz ON tbl_notizzuordnung.notiz_id = tbl_notiz.notiz_id
 								JOIN public.tbl_notiz_typ ON tbl_notiz.typ = tbl_notiz_typ.typ_kurzbz

application/models/education/Lehreinheitgruppe_model.php

@@ -341,7 +341,7 @@ class Lehreinheitgruppe_model extends DB_Model
 		$this->db->where('lehreinheit_id', $lehreinheit_id);
 		$this->db->where('studiengang_kz', $gruppen_array->studiengang_kz);
 
-		if (!isEmptyString($gruppen_array->semester))
+		if (!isEmptyString((string)$gruppen_array->semester))
 		{
 			$this->db->where('semester', $gruppen_array->semester);
 		}
@@ -444,30 +444,37 @@ class Lehreinheitgruppe_model extends DB_Model
 										) 
 									ELSE tbl_gruppe.beschreibung
 								END AS beschreibung");
-		$this->addSelect("CASE 
-									WHEN tbl_lehreinheitgruppe.gruppe_kurzbz IS NULL THEN 
-										(
-											SELECT EXISTS (
-												SELECT 1 
-												FROM lehre.tbl_stundenplandev
-												WHERE lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
-													AND studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
-													AND semester = tbl_lehreinheitgruppe.semester
-													AND TRIM(COALESCE(verband, '')) = TRIM(tbl_lehreinheitgruppe.verband)
-													AND TRIM(COALESCE(gruppe, '')) = TRIM(tbl_lehreinheitgruppe.gruppe)
-													AND (gruppe_kurzbz IS NULL OR gruppe_kurzbz = '')
-											)
-										)
-									ELSE 
+		$this->addSelect("
+									CASE
+										WHEN trim(COALESCE(tbl_lehreinheitgruppe.gruppe_kurzbz, '')) = '' THEN
 										(
 											SELECT EXISTS (
 												SELECT 1
-												FROM lehre.tbl_stundenplandev
-												WHERE lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
-													AND gruppe_kurzbz = tbl_lehreinheitgruppe.gruppe_kurzbz
+												FROM lehre.tbl_stundenplandev sp
+												WHERE sp.lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
+													AND sp.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+													AND sp.semester = tbl_lehreinheitgruppe.semester
+													AND trim(COALESCE(sp.verband, '')) = trim(COALESCE(tbl_lehreinheitgruppe.verband, ''))
+													AND trim(COALESCE(sp.gruppe, ''))  = trim(COALESCE(tbl_lehreinheitgruppe.gruppe, ''))
+													AND trim(COALESCE(sp.gruppe_kurzbz, '')) = ''
 											)
 										)
-								END AS verplant");
+									ELSE
+										(
+											SELECT EXISTS (
+												SELECT 1
+												FROM lehre.tbl_stundenplandev sp
+												WHERE sp.lehreinheit_id = tbl_lehreinheitgruppe.lehreinheit_id
+													AND sp.studiengang_kz = tbl_lehreinheitgruppe.studiengang_kz
+													AND sp.semester = tbl_lehreinheitgruppe.semester
+													AND trim(COALESCE(sp.verband, '')) = trim(COALESCE(tbl_lehreinheitgruppe.verband, ''))
+													AND trim(COALESCE(sp.gruppe, ''))  = trim(COALESCE(tbl_lehreinheitgruppe.gruppe, ''))
+													AND trim(COALESCE(sp.gruppe_kurzbz, '')) = trim(COALESCE(tbl_lehreinheitgruppe.gruppe_kurzbz, ''))
+											)
+										)
+										END AS verplant
+									");
+
 		$this->addJoin('tbl_studiengang', 'studiengang_kz', 'LEFT');
 		$this->addJoin('public.tbl_gruppe', 'gruppe_kurzbz', 'LEFT');
 

application/models/education/Lehrveranstaltung_model.php

@@ -1245,7 +1245,7 @@ class Lehrveranstaltung_model extends DB_Model
 	{
 		return "
 		SELECT
-				lehrveranstaltung_id, tbl_lehrveranstaltung.kurzbz as lv_kurzbz, tbl_lehrveranstaltung.bezeichnung as lv_bezeichnung, bezeichnung_english as lv_bezeichnung_english, studiengang_kz,
+				distinct on (lehrveranstaltung_id) lehrveranstaltung_id, tbl_lehrveranstaltung.kurzbz as lv_kurzbz, tbl_lehrveranstaltung.bezeichnung as lv_bezeichnung, bezeichnung_english as lv_bezeichnung_english, studiengang_kz,
 				tbl_studienplan_lehrveranstaltung.semester, tbl_lehrveranstaltung.sprache,
 				ects as lv_ects, semesterstunden, anmerkung, lehre, lehreverzeichnis as lv_lehreverzeichnis, tbl_lehrveranstaltung.aktiv,
 				planfaktor as lv_planfaktor, planlektoren as lv_planlektoren, planpersonalkosten as lv_planpersonalkosten,

application/models/education/Lvgesamtnote_model.php

@@ -29,10 +29,14 @@ class Lvgesamtnote_model extends DB_Model
 		$this->addSelect("lv.bezeichnung AS lehrveranstaltung_bezeichnung");
 		$this->addSelect("lv.studiengang_kz");
 		$this->addSelect("UPPER(stg.typ || stg.kurzbz) AS studiengang");
+		$this->addSelect("person.vorname");
+		$this->addSelect("person.nachname");
 
 		$this->addJoin("lehre.tbl_note n", "note");
 		$this->addJoin("lehre.tbl_lehrveranstaltung lv", "lehrveranstaltung_id");
 		$this->addJoin("public.tbl_studiengang stg", "studiengang_kz");
+		$this->addJoin("public.tbl_benutzer benutzer", "uid = student_uid", "LEFT");
+		$this->addJoin("public.tbl_person person", "person_id", "LEFT");
 
 		$this->db->where($this->dbTable . ".freigabedatum <", "NOW()", false);
 

application/models/education/Studierendenantrag_model.php

@@ -188,6 +188,7 @@ class Studierendenantrag_model extends DB_Model
 	 * Get the studiengang and ausbildungssemester the student was in
 	 * for the studiensemester the antrag was committed for
 	 *
+	 *
 	 * @param integer		$antrag_id
 	 *
 	 * @return stdClass
@@ -242,6 +243,28 @@ class Studierendenantrag_model extends DB_Model
 		);
 	}
 
+	/**
+	 * Get the studiengang and the studienplan the student is in
+	 *
+	 * @param integer		$antrag_id
+	 *
+	 * @return stdClass
+	 */
+	public function getStgAndDetails($antrag_id)
+	{
+		$this->addSelect('p.studiengang_kz');
+		$this->addSelect('stg.orgform_kurzbz');
+		$this->addSelect('stg.bezeichnung');
+		$this->addJoin('public.tbl_prestudent p', 'prestudent_id');
+		$this->addJoin('public.tbl_studiengang stg', 'studiengang_kz');
+
+		$this->addLimit(1);
+
+		return $this->load(
+			$antrag_id
+		);
+	}
+
 	public function getStgEmail($antrag_id)
 	{
 		$this->addJoin('public.tbl_prestudent p', 'prestudent_id');

application/models/education/Zeugnisnote_model.php

@@ -148,7 +148,7 @@ class Zeugnisnote_model extends DB_Model
 	 *
 	 * @return object
 	 */
-	public function getZeugnisnoten($student_uid, $studiensemester_kurzbz)
+	public function getZeugnisnoten($student_uid, $studiensemester_kurzbz, $lehrveranstaltung_id = null)
 	{
 		$params = array();
 		$where='';
@@ -163,6 +163,11 @@ class Zeugnisnote_model extends DB_Model
 			$where.=" AND vw_student_lehrveranstaltung.studiensemester_kurzbz= ?";
 			$params[] = $studiensemester_kurzbz;
 		}
+		if($lehrveranstaltung_id != null)
+		{
+			$where .= " AND vw_student_lehrveranstaltung.lehrveranstaltung_id = ?";
+			$params[] = $lehrveranstaltung_id;
+		}
 
 		$where2='';
 
@@ -176,6 +181,11 @@ class Zeugnisnote_model extends DB_Model
 			$where2 .= " AND studiensemester_kurzbz= ?";
 			$params[] = $studiensemester_kurzbz;
 		}
+		if($lehrveranstaltung_id != null)
+		{
+			$where2 .=" AND lehrveranstaltung_id = ?";
+			$params[] = $lehrveranstaltung_id;
+		}
 
 		$qry = "SELECT
 			a.*,
@@ -188,7 +198,10 @@ class Zeugnisnote_model extends DB_Model
 			lv.semester AS semester_lv,
 			lv.ects AS ects_lv,
 			lv.zeugnis,
-			lv.bezeichnung_english AS lehrveranstaltung_bezeichnung_english
+			lv.bezeichnung_english AS lehrveranstaltung_bezeichnung_english,
+			s.verband,
+			person.vorname,
+			person.nachname
 		FROM (
 			SELECT vw_student_lehrveranstaltung.lehrveranstaltung_id, uid,
 				   vw_student_lehrveranstaltung.studiensemester_kurzbz, note, punkte, uebernahmedatum, benotungsdatum,
@@ -231,6 +244,8 @@ class Zeugnisnote_model extends DB_Model
 			ORDER BY sort
 		) a
 		LEFT JOIN public.tbl_student s ON (a.uid = s.student_uid)
+		LEFT JOIN public.tbl_benutzer benutzer ON benutzer.uid = s.student_uid
+		LEFT JOIN public.tbl_person person ON benutzer.person_id = person.person_id
 		LEFT JOIN public.tbl_studiengang stg1 ON (s.studiengang_kz = stg1.studiengang_kz)
 		LEFT JOIN lehre.tbl_lehrveranstaltung lv USING (lehrveranstaltung_id)
 		LEFT JOIN public.tbl_studiengang stg2 ON (lv.studiengang_kz = stg2.studiengang_kz)";

application/models/organisation/Gruppe_model.php

@@ -11,4 +11,26 @@ class Gruppe_model extends DB_Model
 		$this->dbTable = 'public.tbl_gruppe';
 		$this->pk = 'gruppe_kurzbz';
 	}
+
+	public function search($query_words)
+	{
+		$this->addSelect('gruppe_kurzbz,
+											studiengang_kz,
+											semester,
+											bezeichnung,
+											gid,
+											\'false\' as lehrverband');
+		$this->db->where(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
+		$this->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->db->group_start();
+			$this->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
+			$this->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
+			$this->db->group_end();
+		}
+		$this->db->group_end();
+
+		return $this->load();
+	}
 }