BUG: Fixed issue witd drag drop animation

- added raumvorschlag slots

application/config/Events.php

@@ -33,25 +33,27 @@ Events::on('loadRenderers', function ($renderers) {
 	);
 });
 
-Events::on('loadRenderers', function ($renderers) {
+//Tempus Renderers:
+Events::on('loadTempusRenderers', function ($renderers) {
 	$fhc_core_renderers =& $renderers();
-	$fhc_core_renderers["coodle"] = array(
-		'calendarEvent' => absoluteJsImportUrl('public/js/components/Cis/Renderer/Coodle/calendarEvent.js'),
-		'modalTitle' => absoluteJsImportUrl('public/js/components/Cis/Renderer/Coodle/modalTitle.js'),
-		'modalContent' => absoluteJsImportUrl('public/js/components/Cis/Renderer/Coodle/modalContent.js'),
+	$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('loadRenderers', function ($renderers) {
+Events::on('loadTempusRenderers', function ($renderers) {
 	$fhc_core_renderers =& $renderers();
-	$fhc_core_renderers["freeBusy"] = array(
-		'calendarEvent' => absoluteJsImportUrl('public/js/components/Cis/Renderer/FreeBusy/calendarEvent.js'),
-		'modalTitle' => absoluteJsImportUrl('public/js/components/Cis/Renderer/FreeBusy/modalTitle.js'),
-		'modalContent' => absoluteJsImportUrl('public/js/components/Cis/Renderer/FreeBusy/modalContent.js'),
+	$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/routes.php

@@ -68,12 +68,6 @@ $route['Cis/OtherLvPlan/.*'] = 'Cis/OtherLvPlan/index/$1';
 //Route for LV Plan Stg/Semester/Verband/Gruppe
 $route['Cis/StgOrgLvPlan/.*'] = 'Cis/StgOrgLvPlan/index/$1';
 
-$route['Cis/CoodleExternal/(:any)/(:any)'] = 'Cis/CoodleExternal/index/$1/$2';
-
-$route['CoodleFreeBusy/(:any)'] = 'api/frontend/v1/coodle/FreeBusy/getCoodleFreeBusy/$1';
-$route['CoodleIcal/encrypted/(:any)'] = 'api/frontend/v1/coodle/CoodleSurvey/getCoodleIcalEncrypted/$1';
-$route['CoodleIcal/(:any)'] = 'api/frontend/v1/coodle/CoodleSurvey/getCoodleIcal/$1';
-
 $route['Abgabetool/Assistenz'] = 'Cis/Abgabetool/Assistenz';
 $route['Abgabetool/Assistenz/(:any)'] = 'Cis/Abgabetool/Assistenz/$1';
 $route['Abgabetool/Mitarbeiter'] = 'Cis/Abgabetool/Mitarbeiter';
@@ -146,6 +140,8 @@ $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)/stg/(
 // 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/search.php

@@ -872,19 +872,3 @@ $config['dms'] = [
 				)
 			)"
 ];
-
-$config['group'] = [
-	'primarykey' => 'gruppe_kurzbz',
-	'table' => 'public.tbl_gruppe',
-	'searchfields' => [
-		'gruppe_kurzbz' => [
-			'comparison' => 'similar',
-			'field' => 'gruppe_kurzbz',
-		],
-	],
-	'resultfields' => [
-		"g.gruppe_kurzbz as name",
-	],
-	'resultjoin' => "
-		JOIN public.tbl_gruppe g USING (gruppe_kurzbz)"
-];

application/config/search_coodle_participants.php

@@ -1,55 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-
-$CI =& get_instance();
-
-
-$config['employee'] = $CI->config->item('employee', 'search');
-unset($config['student']['searchfields']['email']);
-unset($config['student']['searchfields']['tel']);
-$config['employee']['resultfields'] = [
-	"m.mitarbeiter_uid AS uid",
-	"(p.vorname || ' ' || p.nachname) AS name",
-];
-$config['employee']['resultjoin'] = "
-		JOIN public.tbl_mitarbeiter m USING (mitarbeiter_uid)
-		JOIN public.tbl_benutzer b ON (b.uid = m.mitarbeiter_uid AND b.aktiv = true)
-		JOIN public.tbl_person p USING(person_id)
-		LEFT JOIN (
-			SELECT kontakt, standort_id
-			FROM public.tbl_kontakt
-			WHERE kontakttyp = 'telefon'
-		) k ON (k.standort_id = m.standort_id)";
-
-$config['student'] = $CI->config->item('student', 'search');
-unset($config['student']['searchfields']['email']);
-unset($config['student']['searchfields']['tel']);
-$config['student']['resultfields'] = [
-	"s.student_uid AS uid",
-	"(p.vorname || ' ' || p.nachname) AS name",
-];
-$config['student']['resultjoin'] = "
-		JOIN public.tbl_student s USING (student_uid)
-		JOIN public.tbl_benutzer b ON(b.uid = s.student_uid AND b.aktiv = true)
-		JOIN public.tbl_person p USING(person_id)";
-
-$config['group'] = $CI->config->item('group', 'search');
-$config['group']['resultfields'] = [
-		"g.gruppe_kurzbz as name",
-		"ARRAY( 
-			SELECT bg.uid as uid
-			FROM public.tbl_benutzergruppe bg
-			WHERE bg.gruppe_kurzbz = g.gruppe_kurzbz
-			ORDER BY bg.uid
-			) AS user_uids",
-		"ARRAY( 
-			SELECT p.vorname || ' ' || p.nachname AS name
-			FROM public.tbl_benutzergruppe bg
-			JOIN public.tbl_benutzer b ON(b.uid = bg.uid)
-			JOIN public.tbl_person p ON(p.person_id = b.person_id)
-			WHERE bg.gruppe_kurzbz = g.gruppe_kurzbz
-			ORDER BY bg.uid
-			) AS user_names",
-];

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

@@ -27,3 +27,8 @@ $config['lvv'] = [
 	"library" => "treemenu/LvVwLib",
 	"permissions" => ["admin:r", "assistenz:r"]
 ];
+
+$config['tempus'] = [
+	"library" => "treemenu/TempusLib",
+	"permissions" => ["admin:r", "assistenz:r", "lehre/lvplan:r"]
+];

application/config/treemenu/custom/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/controllers/Cis/Coodle.php

@@ -1,30 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- *
- */
-class Coodle extends Auth_Controller
-{
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'index' => [self::PERM_LOGGED],
-		]);
-	}
-
-	// -----------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-	/**
-	 * @return void
-	 */
-	public function index()
-	{
-		$this->load->view('CisRouterView/CisRouterView.php', ["viewData" => [], 'route' => 'Coodle']);
-	}
-}

application/controllers/Cis/CoodleExternal.php

@@ -1,30 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-/**
- *
- */
-class CoodleExternal extends Auth_Controller
-{
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'index' => [self::PERM_ANONYMOUS],
-		]);
-	}
-
-	// -----------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-	/**
-	 * @return void
-	 */
-	public function index()
-	{
-		$this->load->view('CisRouterView/CisRouterView.php', ['route' => 'CoodleExternal', 'isExternal' => true]);
-	}
-}

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/AuthInfo.php

@@ -16,8 +16,7 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-if (!defined('BASEPATH'))
-	exit('No direct script access allowed');
+if (!defined('BASEPATH')) exit('No direct script access allowed');
 
 class AuthInfo extends FHCAPI_Controller
 {
@@ -38,7 +37,6 @@ class AuthInfo extends FHCAPI_Controller
 
 		$this->load->model('crm/Student_model', 'StudentModel');
 		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
-		$this->load->model('person/Person_model', 'PersonModel');
 
 		$this->uid = getAuthUID();
 		$this->pid = getAuthPersonID();
@@ -56,16 +54,15 @@ class AuthInfo extends FHCAPI_Controller
 	 */
 	public function getAuthUID()
 	{
-		$this->terminateWithSuccess(['uid' => $this->uid]);
+		$this->terminateWithSuccess(['uid'=>$this->uid]);
 	}
-
+	
 	public function getAuthInfo()
 	{
 		$data = (object) array(
-			'uid' => $this->uid,
-			'isMitarbeiter' => $this->isMitarbeiter,
-			'isStudent' => $this->isStudent,
-			'name' => getData($this->PersonModel->getFullName($this->uid)),
+				'uid' => $this->uid,
+				'isMitarbeiter' => $this->isMitarbeiter,
+				'isStudent' => $this->isStudent
 		);
 		$this->terminateWithSuccess($data);
 	}

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

@@ -47,7 +47,7 @@ class LvPlan extends FHCAPI_Controller
 			'fetchFerienEvents' => self::PERM_LOGGED,
 			'getStudiengaenge' => self::PERM_LOGGED,
 			'getLehrverband' => self::PERM_LOGGED,
-			'permissionOtherLvPlan' => self::PERM_ANONYMOUS,
+			'permissionOtherLvPlan' => self::PERM_LOGGED,
 			'compactibleEventTypes' => self::PERM_LOGGED,
 			'getLeEvents' => self::PERM_LOGGED,
 			'getLvEvents' => self::PERM_LOGGED,
@@ -62,7 +62,6 @@ class LvPlan extends FHCAPI_Controller
 			'dbExecuteUser' => 'RESTful API'
 		));
 
-		$this->load->library('PermissionLib');
         $this->load->library('form_validation');
 		$this->load->library('PhrasesLib');
 		$this->loadPhrases(
@@ -438,7 +437,7 @@ class LvPlan extends FHCAPI_Controller
 	 */
 	public function permissionOtherLvPlan()
 	{
-		$this->terminateWithSuccess(getAuthUID() && $this->permissionlib->isBerechtigt('basis/other_lv_plan'));
+		$this->terminateWithSuccess($this->permissionlib->isBerechtigt('basis/other_lv_plan'));
 	}
 
 	/**

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/RouteInfo.php

@@ -25,7 +25,7 @@ class RouteInfo extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
-			'info' => self::PERM_ANONYMOUS,
+			'info' => self::PERM_LOGGED,
 		]);
 
 		$this->load->model('system/Webservicelog_model', 'WebservicelogModel');
@@ -33,8 +33,6 @@ class RouteInfo extends FHCAPI_Controller
 
 	public function info()
 	{
-		if (!getAuthUID()) $this->terminateWithSuccess(null);
-
 		$payload = json_decode($this->input->raw_input_stream);
 
 		if (isset($payload->app) && isset($payload->path) && $this->isValidApp($payload->app) && $this->isValidPath($payload->path))

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

@@ -167,9 +167,7 @@ class Studium extends FHCAPI_Controller
 		if($aktuelles_studienplan){
 			$lehrveranstaltungen = $this->computeStudienplanLehrveranstaltungen($aktuelles_studienplan->studienplan_id, $aktuelles_semester);
 			foreach($lehrveranstaltungen as $lehrv){
-				// a lehrveranstaltung without a modul has no children and gets its lektoren directly
-				$lvs = isset($lehrv->lehrveranstaltungen) ? $lehrv->lehrveranstaltungen : [$lehrv];
-				foreach($lvs as $lv){
+				foreach($lehrv->lehrveranstaltungen as $lv){
 					$lvLektoren =$this->computeLektorenFromLehrveranstaltung($lv->lehrveranstaltung_id,$aktuelles_semester, $aktuelles_studiengang->studiengang_kz, $aktuelles_studiensemester->studiensemester_kurzbz);
 					$lv->lektoren = $lvLektoren;
 				}
@@ -288,7 +286,6 @@ SELECT tbl_lehrveranstaltung.*,
 		$lehrveranstaltungen = $this->LehrveranstaltungModel->execReadOnlyQuery($query,[$studienplan_id, $semester]);
 		
 		$lehrveranstaltungen = $this->getDataOrTerminateWithError($lehrveranstaltungen);
-		
 		usort($lehrveranstaltungen, function($a, $b){
 			if($a->lehrtyp_kurzbz == "modul"){
 				return -1;
@@ -305,17 +302,12 @@ SELECT tbl_lehrveranstaltung.*,
 			}
 			else{
 				$parent =array_filter($carry, function($item)use($lehrv){
-					return isset($item->lehrveranstaltungen)
-						&& $item->studienplan_lehrveranstaltung_id == $lehrv->studienplan_lehrveranstaltung_id_parent;
+					return $item->studienplan_lehrveranstaltung_id == $lehrv->studienplan_lehrveranstaltung_id_parent;
 				});
 				$parent = current($parent);
 				if($parent){
 					$parent->lehrveranstaltungen[] = $lehrv;
 				}
-				else{
-					// lehrveranstaltung without a modul: keep it on the top level
-					array_push($carry, $lehrv);
-				}
 			}
 			return $carry;
 		}, []);

application/controllers/api/frontend/v1/calendar/RoomPlan.php

@@ -1,232 +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');
-
-class RoomPlan extends FHCAPI_Controller
-{
-
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'addRoomReservation' => self::PERM_LOGGED,
-			'deleteRoomReservation' => self::PERM_LOGGED,
-			'getRoomCreationInfo' => self::PERM_LOGGED,
-			'getGruppen' => self::PERM_LOGGED,
-			'getLektor' => self::PERM_LOGGED,
-			'getReservableMap' => self::PERM_LOGGED,
-		]);
-
-		$this->load->library('LogLib');
-		$this->loglib->setConfigs(array(
-			'classIndex' => 5,
-			'functionIndex' => 5,
-			'lineIndex' => 4,
-			'dbLogType' => 'API',
-			'dbExecuteUser' => 'RESTful API'
-		));
-
-		$this->load->library('form_validation');
-		$this->load->library('PermissionLib');
-		$this->load->library('StundenplanLib');
-
-		$this->loadPhrases(['ui']);
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-
-
-	public function addRoomReservation()
-	{
-		$this->form_validation->set_rules('selectedStart', "Start", "required");
-		$this->form_validation->set_rules('selectedEnd', "End", "required");
-		$this->form_validation->set_rules('title', "Title", "required|max_length[10]");
-		$this->form_validation->set_rules('beschreibung', "Beschreibung", "required|max_length[32]");
-		$this->form_validation->set_rules('ort_kurzbz', "Ort", "required|max_length[16]");
-		$this->form_validation->set_rules('studiengang', 'Studiengang', 'numeric');
-		$this->form_validation->set_rules('semester', 'Semester', 'integer|greater_than_equal_to[0]');
-		$this->form_validation->set_rules('verband', 'Verband', 'trim');
-		$this->form_validation->set_rules('gruppe', 'Gruppe', 'trim');
-		$this->form_validation->set_rules('spezialgruppe', 'Spezialgruppe', 'max_length[32]');
-		$this->form_validation->set_rules('lektoren', 'Lektoren');
-
-		if (!$this->form_validation->run())
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-
-		$start = $this->input->post('selectedStart');
-		$end = $this->input->post('selectedEnd');
-		$title = $this->input->post('title');
-		$beschreibung = $this->input->post('beschreibung');
-		$ort_kurzbz = $this->input->post('ort_kurzbz');
-
-		$studiengang_kz = $this->input->post('studiengang');
-		$semester = $this->input->post('semester');
-		$verband = $this->input->post('verband');
-		$gruppe = $this->input->post('gruppe');
-		$spezialgruppe = $this->input->post('spezialgruppe');
-		$lektoren = $this->input->post('lektoren');
-
-
-		$result = $this->stundenplanlib->addReservation($start, $end, $title, $beschreibung, $ort_kurzbz, $lektoren, $studiengang_kz, $semester, $verband, $gruppe, $spezialgruppe);
-
-		if (isError($result))
-			$this->terminateWithError($result);
-
-		$this->terminateWithSuccess($result);
-	}
-
-	public function deleteRoomReservation()
-	{
-		$reservierung_id = $this->input->post('reservierung_id');
-
-		$result = $this->stundenplanlib->deleteReservation($reservierung_id);
-
-		if (isError($result))
-			$this->terminateWithError($result);
-
-		$this->terminateWithSuccess($result);
-	}
-
-	public function getRoomCreationInfo()
-	{
-		$return_array = array('berechtigt' => false, 'studiengaenge' => []);
-		if (!$this->permissionlib->isBerechtigt('lehre/reservierung'))
-			$this->terminateWithSuccess($return_array);
-
-		$stg_berechtigungen = $this->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
-		if (isEmptyArray($stg_berechtigungen))
-			$this->terminateWithSuccess($return_array);
-
-		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
-		$this->StudiengangModel->addSelect('studiengang_kz, UPPER(CONCAT(typ, kurzbz)) as kuerzel, kurzbzlang');
-		$this->StudiengangModel->addOrder('typ, kurzbz');
-		$this->StudiengangModel->db->where_in('studiengang_kz', $stg_berechtigungen);
-		$studiengaenge = $this->StudiengangModel->loadWhere(array('aktiv' => true));
-
-		if (isError($studiengaenge))
-			$this->terminateWithError($studiengaenge);
-
-		$return_array['studiengaenge'] = hasData($studiengaenge) ? getData($studiengaenge) : [];
-		$return_array['berechtigt'] = true;
-
-		$this->terminateWithSuccess($return_array);
-	}
-
-	public function getGruppen()
-	{
-		$query = $this->input->get('query');
-		if (is_null($query))
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$stg_berechtigungen = $this->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
-
-		if (isEmptyArray($stg_berechtigungen))
-			$this->terminateWithSuccess([]);
-
-		$this->load->model('organisation/gruppe_model', 'GruppeModel');
-
-		$query_words = explode(' ', urldecode($query));
-
-		$this->GruppeModel->addOrder('gruppe_kurzbz');
-		$this->GruppeModel->db->group_start();
-		foreach ($query_words as $word)
-		{
-			$this->GruppeModel->db->group_start();
-			$this->GruppeModel->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
-			$this->GruppeModel->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
-			$this->GruppeModel->db->or_where('beschreibung ILIKE', "%" . $word . "%");
-			$this->GruppeModel->db->or_where('orgform_kurzbz ILIKE', "%" . $word . "%");
-
-			if (is_numeric($word))
-			{
-				$this->GruppeModel->db->or_where('studiengang_kz', $word);
-			}
-			$this->GruppeModel->db->group_end();
-		}
-		$this->GruppeModel->db->group_end();
-		$this->GruppeModel->db->where_in('studiengang_kz', $stg_berechtigungen);
-		$gruppen = $this->GruppeModel->loadWhere(array('sichtbar' => true, 'lehre' => true));
-		if (isError($gruppen))
-			$this->terminateWithError($gruppen);
-
-		$this->terminateWithSuccess(hasData($gruppen) ? getData($gruppen) : []);
-	}
-
-	public function getLektor()
-	{
-
-		$query = $this->input->get('query');
-		if (is_null($query))
-			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
-
-		$stg_berechtigungen = $this->permissionlib->getSTG_isEntitledFor('lehre/reservierung');
-
-		if (isEmptyArray($stg_berechtigungen))
-			$this->terminateWithSuccess([]);
-
-		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
-
-		$query_words = explode(' ', urldecode($query));
-
-		$this->MitarbeiterModel->addSelect('uid, person_id, vorname, nachname');
-		$this->MitarbeiterModel->addJoin('public.tbl_benutzer', 'uid = mitarbeiter_uid');
-		$this->MitarbeiterModel->addJoin('public.tbl_person', 'person_id');
-		$this->MitarbeiterModel->db->where('public.tbl_benutzer.aktiv', true);
-		$this->MitarbeiterModel->db->group_start();
-		foreach ($query_words as $word)
-		{
-			$this->MitarbeiterModel->db->group_start();
-			$this->MitarbeiterModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
-			$this->MitarbeiterModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
-			$this->MitarbeiterModel->db->or_where('uid ILIKE', "%" . $word . "%");
-			$this->MitarbeiterModel->db->group_end();
-		}
-		$this->MitarbeiterModel->db->group_end();
-
-		$this->MitarbeiterModel->addOrder('nachname');
-		$this->MitarbeiterModel->addOrder('vorname');
-		$mitarbeiter = $this->MitarbeiterModel->load();
-		if (isError($mitarbeiter))
-			$this->terminateWithError($mitarbeiter);
-
-		$this->terminateWithSuccess(hasData($mitarbeiter) ? getData($mitarbeiter) : []);
-	}
-
-	public function getReservableMap($ort_kurzbz = null)
-	{
-		$this->form_validation->set_rules('start_date', "StartDate", "required");
-		$this->form_validation->set_rules('end_date', "EndDate", "required");
-
-		if (!$this->form_validation->run())
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-
-		// storing the post parameter in local variables
-		$start_date = $this->input->post('start_date', true);
-		$end_date = $this->input->post('end_date', true);
-
-		$result = $this->stundenplanlib->getReservableMap($ort_kurzbz, $start_date, $end_date);
-
-		$this->terminateWithSuccess(array('reservierbarMap' => hasData($result) ? getData($result) : []));
-	}
-
-}

application/controllers/api/frontend/v1/coodle/FreeBusy.php

@@ -1,322 +0,0 @@
-<?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');
-
-class FreeBusy extends FHCAPI_Controller
-{
-
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		parent::__construct([
-			'getFreeBusyTypes' => self::PERM_LOGGED,
-			'getFreeBusyEntries' => self::PERM_LOGGED,
-			'createFreeBusyEntry' => self::PERM_LOGGED,
-			'updateFreeBusyEntry' => self::PERM_LOGGED,
-			'deleteFreeBusyEntry' => self::PERM_LOGGED,
-			'getFreeBusySchedule' => self::PERM_LOGGED,
-			'getCoodleFreeBusy' => self::PERM_ANONYMOUS,
-		]);
-
-		$this->load->model('person/Freebusy_model', 'FreeBusyModel');
-		$this->load->model('person/Freebusytyp_model', 'FreeBusyTypeModel');
-
-		$this->load->library('FreeBusyLib');
-		$this->load->library('form_validation');
-
-		$this->load->model("ressource/CoodleSurvey_model", "CoodleSurveyModel");
-		$this->load->model("ressource/CoodleSurveyTimeslot_model", "CoodleSurveyTimeslotModel");
-		$this->load->model("ressource/CoodleSurveyParticipant_model", "CoodleSurveyParticipantModel");
-
-		$this->loadPhrases([
-			'coodle'
-		]);
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-	public function getFreeBusyTypes()
-	{
-		$freeBusyTypesResult = $this->FreeBusyTypeModel->getActiveFreeBusyTypes();
-		$freeBusyTypes = $this->getDataOrTerminateWithError($freeBusyTypesResult);
-		$freeBusyTypes = $this->formatDefaultUrlsInFreeBusyTypes($freeBusyTypes);
-		$this->terminateWithSuccess($freeBusyTypes);
-
-	}
-
-	public function getFreeBusyEntries()
-	{
-		$this->FreeBusyModel->addOrder("freebusy_id");
-		$freeBusyEntries = $this->FreeBusyModel->loadWhere(["uid" => getAuthUID()]);
-		$freeBusyEntries = $this->getDataOrTerminateWithError($freeBusyEntries);
-		$this->terminateWithSuccess($freeBusyEntries);
-	}
-
-	public function createFreeBusyEntry()
-	{
-		$description = $this->input->post("description");
-		$type = $this->input->post("type") ?? "Sonstiges";
-		$url = $this->input->post("url");
-		$isActive = $this->input->post("isActive");
-
-		$this->form_validation->set_data([
-			"url" => $url,
-			"description" => $description,
-		]);
-		$this->form_validation->set_rules("url", "URL", "required|max_length[255]");
-		$this->form_validation->set_rules("description", "Description", "max_length[255]");
-		if (!$this->form_validation->run())
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-
-		if (!$this->isUrlValid($url)) {
-			$this->terminateWithError($this->p->t("coodle", "url_not_working"));
-		}
-
-		$this->FreeBusyModel->insert(
-			[
-				"uid" => getAuthUID(),
-				"freebusytyp_kurzbz" => $type,
-				"url" => $url,
-				"aktiv" => $isActive,
-				"bezeichnung" => $description,
-			]
-		);
-
-		$this->terminateWithSuccess();
-	}
-
-	public function updateFreeBusyEntry()
-	{
-		$id = $this->input->post("id");
-		$description = $this->input->post("description");
-		$type = $this->input->post("type") ?? "Sonstiges";
-		$url = $this->input->post("url");
-		$isActive = $this->input->post("isActive");
-
-		$this->form_validation->set_data([
-			"url" => $url,
-			"description" => $description,
-		]);
-		$this->form_validation->set_rules("url", "URL", "required|max_length[255]");
-		$this->form_validation->set_rules("description", "Description", "max_length[255]");
-		if (!$this->form_validation->run())
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-
-		if (!$this->isUrlValid($url)) {
-			$this->terminateWithError($this->p->t("coodle", "url_not_working"));
-		}
-
-		$existingFreeBusyEntryResult = $this->FreeBusyModel->load($id);
-		$existingFreeBusyEntry = $this->getDataOrTerminateWithError($existingFreeBusyEntryResult);
-		$existingFreeBusyEntry = $existingFreeBusyEntry && count($existingFreeBusyEntry) ? $existingFreeBusyEntry[0] : null;
-		if (!$existingFreeBusyEntry) {
-			$this->terminateWithError("FreeBusy entry not found!");
-		} else if ($existingFreeBusyEntry->uid !== getAuthUID()) {
-			$this->terminateWithError("You are not authorized to modify this FreeBusy entry!");
-		}
-
-		$this->FreeBusyModel->update(
-			$id,
-			[
-				"uid" => getAuthUID(),
-				"freebusytyp_kurzbz" => $type,
-				"url" => $url,
-				"aktiv" => $isActive,
-				"bezeichnung" => $description,
-			]
-		);
-
-		$this->terminateWithSuccess();
-	}
-
-	public function deleteFreeBusyEntry()
-	{
-		$id = $this->input->post("id");
-
-		$existingFreeBusyEntryResult = $this->FreeBusyModel->load($id);
-		$existingFreeBusyEntry = $this->getDataOrTerminateWithError($existingFreeBusyEntryResult);
-		$existingFreeBusyEntry = $existingFreeBusyEntry && count($existingFreeBusyEntry) ? $existingFreeBusyEntry[0] : null;
-		if (!$existingFreeBusyEntry) {
-			$this->terminateWithError("FreeBusy entry not found!");
-		} else if ($existingFreeBusyEntry->uid !== getAuthUID()) {
-			$this->terminateWithError("You are not authorized to delete this FreeBusy entry!");
-		}
-
-		$this->FreeBusyModel->delete($id);
-
-		$this->terminateWithSuccess();
-	}
-
-	public function getFreeBusySchedule()
-	{
-		$uid = $this->input->post("uid");
-		$coodleSurveyIdToExclude = $this->input->post("coodleSurveyIdToExclude");
-		$freeBusyEntries = $this->FreeBusyModel->loadWhere(["uid" => $uid, "aktiv" => true]);
-		$freeBusyEntries = $this->getDataOrTerminateWithError($freeBusyEntries);
-
-		$cumulativeFreeBusyEvents = $this->freebusylib->getDefaultInternalFreeBusy($uid);
-
-		foreach ($freeBusyEntries as $freeBusyEntry) {
-			// todo: following workaround is to use new coodle freebusy endpoint, remove once actual redirect is set up
-			// keep query param with excluded survey id, only remove url replacement
-			$freeBusyUrl = $freeBusyEntry->url;
-			if ($freeBusyEntry->freebusytyp_kurzbz === "Coodle") {
-				$freeBusyUrl = APP_ROOT . "cis.php/CoodleFreeBusy/" . $uid;
-				if ($coodleSurveyIdToExclude) {
-					$freeBusyUrl .= "?excludeSurvey=" . $coodleSurveyIdToExclude;
-				}
-			}
-
-			$freeBusyEvents = $this->freebusylib->getFreeBusy($freeBusyUrl);
-			$cumulativeFreeBusyEvents = array_merge(
-				$cumulativeFreeBusyEvents,
-				$freeBusyEvents
-			);
-		}
-
-		$this->terminateWithSuccess($cumulativeFreeBusyEvents);
-	}
-
-	public function getCoodleFreeBusy($uid)
-	{
-		$participantEntries = $this->CoodleSurveyParticipantModel->getParticipantEntriesByUid($uid);
-
-		$surveys = [];
-		if (count($participantEntries)) {
-			$surveyIds = array_map(
-				function ($participantEntry) {
-					return $participantEntry->survey_id;
-				},
-				$participantEntries
-			);
-			$surveys = $this->CoodleSurveyModel->getSurveys($surveyIds);
-		}
-
-		$surveyIdToBeExcluded = $this->input->get("excludeSurvey");
-		if ($surveyIdToBeExcluded) {
-			$surveyIdToBeExcluded = intval($surveyIdToBeExcluded);
-			$surveys = array_filter(
-				$surveys,
-				function ($survey) use ($surveyIdToBeExcluded) {
-					return $survey->id !== $surveyIdToBeExcluded;
-				}
-			);
-		}
-
-
-		$activeSurveys = array_filter(
-			$surveys,
-			function ($survey) {
-				return !$survey->completed_at && !$survey->canceled_at;
-			}
-		);
-
-		$timeslots = [];
-		if (count($activeSurveys)) {
-			$activeSurveyIds = array_map(
-				function ($activeSurvey) {
-					return $activeSurvey->id;
-				},
-				$activeSurveys
-			);
-			$timeslots = $this->CoodleSurveyTimeslotModel->getTimeslotsForMultipleSurveys($activeSurveyIds);
-		}
-
-		$formattedTimeslots = [];
-		if (count($timeslots)) {
-			$localTimezone = new DateTimeZone("Europe/Vienna");
-			$utcTimezone = new DateTimeZone("UTC");
-
-			foreach ($activeSurveys as $activeSurvey) {
-				$correspondingTimeslots = array_filter(
-					$timeslots,
-					function ($timeslot) use ($activeSurvey) {
-						return $timeslot->survey_id === $activeSurvey->id;
-					}
-				);
-				$formattedCorrespondingTimeslots = array_map(
-					function ($timeslot) use ($activeSurvey, $utcTimezone, $localTimezone) {
-						$startTime = new DateTime($timeslot->starts_at, $localTimezone);
-						$endTime = new DateTime($timeslot->starts_at, $localTimezone);
-						$endTime->modify("+$activeSurvey->timeslot_duration minutes");
-
-						$startTime->setTimezone($utcTimezone);
-						$endTime->setTimezone($utcTimezone);
-
-						$formattedStartTime = $startTime->format("Ymd\THis\Z");
-						$formattedEndTime = $endTime->format("Ymd\THis\Z");
-						return [
-							"start" => $formattedStartTime,
-							"end" => $formattedEndTime,
-						];
-					},
-					$correspondingTimeslots
-				);
-				$formattedTimeslots = array_merge($formattedTimeslots, $formattedCorrespondingTimeslots);
-			}
-		}
-
-		$coodleFreeBusyIcsFilePath = tempnam(sys_get_temp_dir(), "coodle_freebusy_");
-
-		$coodleFreeBusyIcsFile = fopen($coodleFreeBusyIcsFilePath, "w");
-		fwrite($coodleFreeBusyIcsFile, "BEGIN:VCALENDAR" . PHP_EOL);
-		fwrite($coodleFreeBusyIcsFile, "VERSION:2.0" . PHP_EOL);
-		fwrite($coodleFreeBusyIcsFile, "PRDODID:" . CAMPUS_NAME . PHP_EOL);
-		fwrite($coodleFreeBusyIcsFile, "ATTENDEE:mailto:" . $uid . "@" . DOMAIN . PHP_EOL);
-		fwrite($coodleFreeBusyIcsFile, "BEGIN:VFREEBUSY" . PHP_EOL);
-
-		foreach ($formattedTimeslots as $timeslot) {
-			fwrite($coodleFreeBusyIcsFile, "FREEBUSY;FBTYPE=BUSY:" . $timeslot["start"] . "/" . $timeslot["end"] . PHP_EOL);
-		}
-
-		fwrite($coodleFreeBusyIcsFile, "END:VFREEBUSY" . PHP_EOL);
-		fwrite($coodleFreeBusyIcsFile, "END:VCALENDAR");
-
-		$this->terminateWithFileOutput("text/calendar", file_get_contents($coodleFreeBusyIcsFilePath), "coodle_freebusy_$uid.ics");
-	}
-
-	// -----------------------------------------------------------------------------------------------------------------
-	// Private methods
-
-	private function isUrlValid($url)
-	{
-		return !!@fopen($url, "r");
-	}
-
-	private function formatDefaultUrlsInFreeBusyTypes($freeBusyTypes)
-	{
-		$uid = getAuthUID();
-		return array_map(function ($freeBusyType) use ($uid) {
-			if (!$freeBusyType->url_vorlage || !strlen($freeBusyType->url_vorlage)) {
-				$freeBusyType->url_default = null;
-				unset($freeBusyType->url_vorlage);
-				return $freeBusyType;
-			}
-
-			$freeBusyType->url_default = str_replace('$uid', $uid, $freeBusyType->url_vorlage);
-			unset($freeBusyType->url_vorlage);
-			return $freeBusyType;
-		}, $freeBusyTypes);
-	}
-
-}

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

@@ -184,54 +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/stv/Students.php

@@ -108,7 +108,6 @@ class Students extends FHCAPI_Controller
 			'studiensemester_kurzbz' => $studiensemester_kurzbz
 		]);
 		
-		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
 
 		$this->studentlistlib->addJoin(
 			"(
@@ -154,8 +153,7 @@ class Students extends FHCAPI_Controller
 		$this->addMeta('ci_params', [
 			'studiensemester_kurzbz' => $studiensemester_kurzbz
 		]);
-
-		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);		
+		
 
 		$this->studentlistlib->addJoin(
 			"(
@@ -215,7 +213,6 @@ class Students extends FHCAPI_Controller
 			'studiensemester_kurzbz' => $studiensemester_kurzbz
 		]);
 		
-		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
 
 		$this->studentlistlib->addJoin(
 			"(

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

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

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 +1,509 @@
+<?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);
+
+		$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
+		);
+
+		$this->terminateWithSuccess($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/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/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

@@ -44,7 +44,6 @@ class Tag_Controller extends FHCAPI_Controller
 	{
 		$language = $this->_getLanguageIndex();
 		$index_bezeichnung_mehrsprachig = $language - 1;
-
 		$id = $this->input->get('id');
 
 		if (is_array($readonly_tags) && !isEmptyArray($readonly_tags))
@@ -123,7 +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 = $this->getPostJson();
@@ -143,7 +171,7 @@ class Tag_Controller extends FHCAPI_Controller
 			if (!in_array($postData->tag_typ_kurzbz, $tags))
 				$this->terminateWithError($this->p->t('ui', 'keineBerechtigung'));
 		}
-
+		
 		if ($withZuordnung)
 		{
 			$return = array();
@@ -152,7 +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);

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_sancho_helper.php

@@ -33,7 +33,6 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
  * @param string $headerImg	Filename of the specific Sancho header image.
  * @param string $cc Sets CC of mail.
  * @param string $bcc Sets BCC of mail.
- * @param array $attachments array of arrays with 'filePath' and (optional) 'altName' keys
  * @return void
  */
 function sendSanchoMail(
@@ -45,8 +44,7 @@ function sendSanchoMail(
 	$footerImg = '',
 	$from = null,
 	$cc = null,
-	$bcc = null,
-	$attachments = []
+	$bcc = null
 )
 {
 	$ci =& get_instance();
@@ -118,18 +116,6 @@ function sendSanchoMail(
 		$ci->email->attach($sanchoFooter_img, 'inline');
 		$cid_header = $ci->email->attachment_cid($sanchoHeader_img); // sets unique content id for embedding
 		$cid_footer = $ci->email->attachment_cid($sanchoFooter_img); // sets unique content id for embedding
-
-		// attach files
-		if (count($attachments)) {
-			foreach ($attachments as $attachment) {
-				if (isset($attachment["altName"])) {
-					$ci->email->attach($attachment["filePath"], 'attachment', $attachment["altName"]);
-				} else {
-					$ci->email->attach($attachment["filePath"], 'attachment');
-				}
-			}
-		}
-
 	}
 
 	// Set specific mail content into specific content template

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/CryptLib.php

@@ -25,17 +25,4 @@ class CryptLib
 
 		return $cipher->encrypt($value);
 	}
-
-	public static function RIJNDAEL_256_ECB_DECRYPT($value, $key, $paddingDisabled = false)
-	{
-		if (isEmptyString($value) || isEmptyString($key)) return null;
-
-		$cipher = new Rijndael(Rijndael::MODE_ECB);
-		$cipher->setBlockLength(256);
-		$cipher->setKey($key);
-
-		if ($paddingDisabled === true) $cipher->disablePadding();
-
-		return $cipher->decrypt($value);
-	}
-}
+}

application/libraries/FreeBusyLib.php

@@ -1,242 +0,0 @@
-<?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');
-
-// require_once('../../include/ical.class.php');
-
-class FreeBusyLib
-{
-	private $_ci; // Code igniter instance
-
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-
-		$this->_ci->load->model("ressource/Zeitsperre_model", "ZeitsperreModel");
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Public methods
-
-	public function getFreeBusy($url)
-	{
-		$fileStream = @fopen($url, "r");
-		if (!$fileStream)
-			return [];
-
-		$busyTimeslots = [];
-		$fileContent = file_get_contents($url);
-		if (mb_strpos($fileContent, "BEGIN:VFREEBUSY") !== false) {
-			$busyTimeslots = $this->parseFreeBusyFormat($fileContent);
-		} else {
-			$busyTimeslots = $this->parseConventionalFormat($fileContent);
-		}
-
-		return $busyTimeslots;
-	}
-
-	public function getDefaultInternalFreeBusy($uid)
-	{
-		$events = [];
-
-		$this->_ci->load->library('StundenplanLib');
-
-		$startDate = new DateTime();
-		$startDate = $startDate->format("Y-m-d");
-		$endDate = new DateTime();
-		$endDate->modify("+1 year");
-		$endDate = $endDate->format("Y-m-d");
-
-		$userEvents = getData($this->_ci->stundenplanlib->getEventsUser($startDate, $endDate, $uid));
-		if ($userEvents && count($userEvents)) {
-			$userEvents = array_map(
-				function ($event) {
-					return [
-						"start" => $event->datum . " " . $event->beginn,
-						"end" => $event->datum . " " . $event->ende,
-					];
-				},
-				$userEvents
-			);
-			$events = array_merge($events, $userEvents);
-		}
-
-		$userAbsences = getData($this->_ci->ZeitsperreModel->getZeitsperre($uid));
-		if ($userAbsences && count($userAbsences)) {
-			$today = new DateTime();
-			$today = $today->format("Y-m-d");
-			$userAbsences = array_filter(
-				$userAbsences,
-				function ($absence) use ($today) {
-					return $absence->bisdatum >= $today;
-				}
-			);
-			$userAbsences = array_map(
-				function ($absence) {
-					return [
-						"start" => $absence->vondatum . " 00:00:00",
-						"end" => $absence->bisdatum . " 23:59:00",
-					];
-				},
-				$userAbsences
-			);
-			$events = array_merge($events, $userAbsences);
-		}
-
-		return $events;
-	}
-
-	//------------------------------------------------------------------------------------------------------------------
-	// Private methods
-
-	private function parseConventionalFormat($fileContent)
-	{
-		$fileContentRows = explode("\n", $fileContent);
-		$fileContentRows = array_map(function ($row) {
-			return trim($row);
-		}, $fileContentRows);
-
-		$busyTimeslots = [];
-		$isParsingEvent = false;
-		$parsedEvent = ["start" => null, "end" => null];
-		$currentDateTime = new DateTime();
-		$currentDateTime = $currentDateTime->format("Y-m-d H:i:s");
-
-		foreach ($fileContentRows as $row) {
-			if (mb_strpos($row, "BEGIN:VEVENT") !== false) {
-				$isParsingEvent = true;
-			} else if (mb_strpos($row, "END:VEVENT") !== false) {
-				if (
-					$isParsingEvent &&
-					$parsedEvent["start"] &&
-					$parsedEvent["end"] &&
-					$parsedEvent["end"] > $currentDateTime
-				) {
-					$busyTimeslots[] = $parsedEvent;
-				}
-
-				$isParsingEvent = false;
-				$parsedEvent["start"] = null;
-				$parsedEvent["end"] = null;
-			} else if (mb_strpos($row, "DTSTART;VALUE=DATE") !== false) {
-				$startDateString = explode(":", $row)[1];
-				$start = substr($startDateString, 0, 4) . "-" . substr($startDateString, 4, 2) . "-" . substr($startDateString, 6, 2) . " 00:00:00";
-				$parsedEvent["start"] = $start;
-			} else if (mb_strpos($row, "DTSTART") !== false) {
-				$timestamp = explode(":", $row)[1];
-
-				if (mb_substr($timestamp, -1) === "Z") {
-					$timestamp = $this->convertTimestampToLocalTimezone($timestamp);
-				} else if (mb_strpos($row, "TZID=") !== false) {
-					$remainingString = explode("TZID=", $row)[1];
-					$remainingString = explode(":", $remainingString)[0];
-					$timezoneIdentifier = explode(";", $remainingString)[0];
-					$timestamp = $this->convertTimestampToLocalTimezone($timestamp, $timezoneIdentifier);
-				}
-
-				$startDate = substr($timestamp, 0, 4) . "-" . substr($timestamp, 4, 2) . "-" . substr($timestamp, 6, 2);
-				$startTime = substr($timestamp, 9, 2) . ":" . substr($timestamp, 11, 2) . ":" . substr($timestamp, 13, 2);
-				$parsedEvent["start"] = $startDate . " " . $startTime;
-			} else if (mb_strpos($row, "DTEND;VALUE=DATE") !== false) {
-				$endDateString = explode(":", $row)[1];
-				$end = substr($endDateString, 0, 4) . "-" . substr($endDateString, 4, 2) . "-" . substr($endDateString, 6, 2) . " 00:00:00";
-				$parsedEvent["end"] = $end;
-			} else if (mb_strpos($row, "DTEND") !== false) {
-				$timestamp = explode(":", $row)[1];
-				if (mb_substr($timestamp, -1) === "Z") {
-					$timestamp = $this->convertTimestampToLocalTimezone($timestamp);
-				} else if (mb_strpos($row, "TZID=") !== false) {
-					$remainingString = explode("TZID=", $row)[1];
-					$remainingString = explode(":", $remainingString)[0];
-					$timezoneIdentifier = explode(";", $remainingString)[0];
-					$timestamp = $this->convertTimestampToLocalTimezone($timestamp, $timezoneIdentifier);
-				}
-
-				$endDate = substr($timestamp, 0, 4) . "-" . substr($timestamp, 4, 2) . "-" . substr($timestamp, 6, 2);
-				$endTime = substr($timestamp, 9, 2) . ":" . substr($timestamp, 11, 2) . ":" . substr($timestamp, 13, 2);
-				$parsedEvent["end"] = $endDate . " " . $endTime;
-			}
-		}
-
-		return $busyTimeslots;
-	}
-
-	private function parseFreeBusyFormat($fileContent)
-	{
-		$fileContentRows = explode("\n", $fileContent);
-		$fileContentRows = array_map(function ($row) {
-			return trim($row);
-		}, $fileContentRows);
-
-		$busyTimeslots = [];
-		$currentDateTime = new DateTime();
-		$currentDateTime = $currentDateTime->format("Y-m-d H:i:s");
-
-		foreach ($fileContentRows as $row) {
-			if (
-				mb_strpos($row, "VFREEBUSY") !== false ||
-				mb_strpos($row, "FREEBUSY") === false ||
-				mb_strpos($row, "FBTYPE=FREE") !== false
-			)
-				continue;
-
-			$timestamps = explode(":", $row)[1];
-			$timestamps = explode(",", $timestamps);
-			foreach ($timestamps as $timestamp) {
-				$startEndTimestamps = explode("/", $timestamp);
-
-				$startTimestamp = $startEndTimestamps[0];
-				$endTimestamp = $startEndTimestamps[1];
-
-				if (mb_substr($startTimestamp, -1) === "Z") {
-					$startTimestamp = $this->convertTimestampToLocalTimezone($startTimestamp);
-				}
-				if (mb_substr($endTimestamp, -1) === "Z") {
-					$endTimestamp = $this->convertTimestampToLocalTimezone($endTimestamp);
-				}
-
-				$startDate = substr($startTimestamp, 0, 4) . "-" . substr($startTimestamp, 4, 2) . "-" . substr($startTimestamp, 6, 2);
-				$startTime = substr($startTimestamp, 9, 2) . ":" . substr($startTimestamp, 11, 2) . ":" . substr($startTimestamp, 13, 2);
-				$start = $startDate . " " . $startTime;
-
-				$endDate = substr($endTimestamp, 0, 4) . "-" . substr($endTimestamp, 4, 2) . "-" . substr($endTimestamp, 6, 2);
-				$endTime = substr($endTimestamp, 9, 2) . ":" . substr($endTimestamp, 11, 2) . ":" . substr($endTimestamp, 13, 2);
-				$end = $endDate . " " . $endTime;
-
-				if ($end < $currentDateTime)
-					continue;
-
-				$busyTimeslots[] = ["start" => $start, "end" => $end];
-			}
-		}
-
-		return $busyTimeslots;
-	}
-
-	private function convertTimestampToLocalTimezone($timestamp, $originalTimezoneIdentifier = "UTC")
-	{
-		$originalTimezone = new DateTimeZone($originalTimezoneIdentifier);
-		$localTimezone = new DateTimeZone("Europe/Vienna");
-
-		$date = new DateTime($timestamp, $originalTimezone);
-		$date->setTimezone($localTimezone);
-		return $date->format("Ymd\THis");
-	}
-}

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/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

@@ -116,7 +116,6 @@ class StundenplanLib
 			return $stundenplan_data;
 		$stundenplan_data = getData($stundenplan_data) ?? [];
 
-		$this->_ci->addMeta("stundenplanData", $stundenplan_data);
 		$function_error = $this->expandObjectInformation($stundenplan_data);
 		if ($function_error)
 			return $function_error;
@@ -392,39 +391,6 @@ class StundenplanLib
 			$item->gruppe = $gruppe_obj_array;
 			$item->lektor = $lektor_obj_array;
 
-			$this->_ci->load->library('PermissionLib');
-			$berechtigt_begrenzt  = $this->_ci->permissionlib->isBerechtigt('lehre/reservierung:begrenzt', 'sui');
-
-			$now = time();
-			$res_lektor_start = $this->jump_day($now, RES_TAGE_LEKTOR_MIN - 1);
-			$res_lektor_ende  = mktime(0, 0, 0, date('m', $now), date('d', $now) + RES_TAGE_LEKTOR_BIS, date('Y', $now));
-
-			$start_date = is_numeric($item->beginn) ? $item->beginn : strtotime($item->beginn);
-			if (!date('w', $start_date)) {
-				$start_date = $this->jump_day($start_date, 1);
-			}
-
-			$start_date_str = date('Y-m-d', $start_date);
-			$res_lektor_start_str = date('Y-m-d', $res_lektor_start);
-			$res_lektor_ende_str = date('Y-m-d', $res_lektor_ende);
-
-			$show_delete = (
-				(
-					$berechtigt_begrenzt &&
-					(
-						(isset($item->insertvon) && $item->insertvon == getAuthUID()) ||
-						(isset($item->uids) && in_array(getAuthUID(), $item->uids))
-					)
-				) &&
-				$start_date_str >= $res_lektor_start_str &&
-				$start_date_str <= $res_lektor_ende_str
-			);
-
-			if ($show_delete)
-				$item->deletable = true;
-			else
-				$item->deletable = false;
-
 		}
 	}
 
@@ -520,212 +486,6 @@ class StundenplanLib
 		return success($stundenplan_data);
 	}
 
-	public function addReservation($start, $end, $title, $beschreibung, $ort_kurzbz, $lektoren = null, $studiengang = null, $semester = null, $verband = null, $gruppe = null, $spezialgruppe = null)
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Stunde_model', 'StundeModel');
-		$this->_ci->load->model('ressource/Reservierung_model', 'ReservierungModel');
-		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
-		$this->_ci->load->model('ressource/stundenplan_model', 'StundenplanModel');
-		$this->_ci->load->library('PermissionLib');
-
-		$startTime = new DateTime($start);
-		$endTime = new DateTime($end);
-
-		$stunden = $this->_ci->StundeModel->loadWhere(array(
-			'beginn <' => $endTime->format('H:i:s'),
-			'ende >' => $startTime->format('H:i:s')
-		));
-
-		if (!hasData($stunden))
-		{
-			return error("Keine Stunden vorhanden");
-		}
-
-		$stunden = array_column(getData($stunden), 'stunde');
-
-		$this->_ci->StundenplandevModel->db->select('1');
-		$this->_ci->StundenplandevModel->db->where('datum', $startTime->format('Y-m-d'));
-		$this->_ci->StundenplandevModel->db->where('ort_kurzbz', $ort_kurzbz);
-		$this->_ci->StundenplandevModel->db->where_in('stunde', $stunden);
-		$stundenplandev_belegung = $this->_ci->StundenplandevModel->load();
-
-		$this->_ci->StundenplanModel->db->select('1');
-		$this->_ci->StundenplanModel->db->where('ort_kurzbz', $ort_kurzbz);
-		$this->_ci->StundenplanModel->db->where('datum', $startTime->format('Y-m-d'));
-		$this->_ci->StundenplanModel->db->where_in('stunde', $stunden);
-		$stundenplan_belegung = $this->_ci->StundenplanModel->load();
-
-		if ((hasData($stundenplandev_belegung) || hasData($stundenplan_belegung))
-			&& !$this->_ci->permissionlib->isBerechtigt('lehre/reservierungAdvanced'))
-			return error ('lvplan/bereitsReserviert');
-
-		$this->_ci->ReservierungModel->addSelect('stunde');
-		$reservation_hours = $this->_ci->ReservierungModel->loadWhere(array('datum' => $startTime->format('Y-m-d'), 'ort_kurzbz' => $ort_kurzbz));
-
-
-		if (isError($reservation_hours))
-			return $reservation_hours;
-
-		$reservation_hours = hasData($reservation_hours) ? array_column(getData($reservation_hours), 'stunde') : array();
-
-		if (!empty(array_intersect($stunden, $reservation_hours))
-			&& !$this->_ci->permissionlib->isBerechtigt('lehre/reservierungAdvanced'))
-			return error("lvplan/bereitsReserviert");
-
-
-		if (!empty($lektoren))
-		{
-			foreach ($lektoren as $lektor)
-			{
-				$insert = array('ort_kurzbz' => $ort_kurzbz,
-					'datum' => $startTime->format('Y-m-d'),
-					'titel' => $title,
-					'studiengang_kz' => is_null($studiengang) ? 0 : $studiengang,
-					'beschreibung' => $beschreibung,
-					'insertvon' => getAuthUID(),
-					'uid' => $lektor,
-					'semester' => is_null($semester) ? null : $semester,
-					'verband' => is_null($verband) ? null : $verband,
-					'gruppe' => is_null($gruppe) ? null : $gruppe,
-					'gruppe_kurzbz' => is_null($spezialgruppe) ? null : $spezialgruppe,
-				);
-
-				foreach ($stunden as $stunde)
-				{
-					$insert['stunde'] = $stunde;
-					$check_insert = $this->_ci->ReservierungModel->insert($insert);
-					if (isError($check_insert))
-						return $check_insert;
-				}
-			}
-		}
-		else
-		{
-			foreach ($stunden as $stunde)
-			{
-				$check_insert = $this->_ci->ReservierungModel->insert(array(
-					'ort_kurzbz' => $ort_kurzbz,
-					'uid' => getAuthUID(),
-					'stunde' => $stunde,
-					'datum' => $startTime->format('Y-m-d'),
-					'titel' => $title,
-					'studiengang_kz' => is_null($studiengang) ? 0 : $studiengang,
-					'beschreibung' => $beschreibung,
-					'insertvon' => getAuthUID()
-				));
-				if (isError($check_insert))
-					return $check_insert;
-			}
-		}
-
-		return success("Erfolgreich");
-	}
-
-	public function deleteReservation($reservierung_id)
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Reservierung_model', 'ReservierungModel');
-		$this->_ci->load->model('ressource/Stunde_model', 'StundeModel');
-		$this->_ci->load->library('PermissionLib');
-
-
-		$this->_ci->ReservierungModel->db->where_in('reservierung_id', $reservierung_id);
-		$reservation = $this->_ci->ReservierungModel->load();
-		if (isError($reservation))
-			return $reservation;
-
-		if (!hasData($reservation))
-			return error("Reservierungen nicht gefunden");
-
-		$reservations = getData($reservation);
-
-		$today = new DateTime();
-		foreach ($reservations as $reservierung)
-		{
-			if ($today->format('Y-m-d') > $reservierung->datum)
-				return error("Vergangene Reservierungen können nicht gelöscht werden");
-
-			if (($this->_ci->permissionlib->isBerechtigt('lehre/reservierung:begrenzt')) && ($reservierung->insertvon == getAuthUID() || $reservierung->uid === getAuthUID()))
-			{
-				$delete_result = $this->_ci->ReservierungModel->delete($reservierung->reservierung_id);
-
-				if (isError($delete_result))
-					return $delete_result;
-			}
-		}
-		return success("Erfolgreich");
-	}
-
-
-	public function getReservableMap($ort_kurzbz, $start_date, $end_date)
-	{
-		$this->_ci =& get_instance();
-		$this->_ci->load->model('ressource/Ort_model', 'OrtModel');
-		$this->_ci->load->library('PermissionLib');
-
-		$berechtigt_begrenzt  = $this->_ci->permissionlib->isBerechtigt('lehre/reservierung:begrenzt', 'suid');
-		$berechtigt_erweitert = $this->_ci->permissionlib->isBerechtigt('lehre/reservierung', 'suid');
-
-		$ort_data = $this->_ci->OrtModel->load($ort_kurzbz);
-		if (isError($ort_data) || !hasData($ort_data))
-			return [];
-
-		$ort_data = getData($ort_data)[0];
-
-		if (!$ort_data->reservieren)
-			return [];
-
-		if (!$berechtigt_begrenzt && !$berechtigt_erweitert)
-			return [];
-
-		$start_ts = is_numeric($start_date) ? (int)$start_date : strtotime($start_date);
-		$end_ts = is_numeric($end_date) ? (int)$end_date : strtotime($end_date);
-
-		if (!$start_ts || !$end_ts)
-			return [];
-
-		if ($end_ts < $start_ts)
-		{
-			$tmp = $start_ts;
-			$start_ts = $end_ts;
-			$end_ts = $tmp;
-		}
-
-		$now = time();
-		$tage_min = defined('RES_TAGE_LEKTOR_MIN') ? (int)RES_TAGE_LEKTOR_MIN : 0;
-		$tage_bis = defined('RES_TAGE_LEKTOR_BIS') ? (int)RES_TAGE_LEKTOR_BIS : 0;
-
-		$datum_res_lektor_start = $this->jump_day($now, $tage_min - 1);
-		$datum_res_lektor_ende = $this->jump_day($now, $tage_bis);
-
-		$start_ymd_allowed = date('Y-m-d', $datum_res_lektor_start);
-		$end_ymd_allowed = date('Y-m-d', $datum_res_lektor_ende);
-
-		$result = [];
-
-		$current = strtotime(date('Y-m-d', $start_ts) . ' 00:00:00');
-		$end_day = strtotime(date('Y-m-d', $end_ts) . ' 00:00:00');
-
-		while ($current <= $end_day)
-		{
-			$ymd = date('Y-m-d', $current);
-
-			$result[$ymd] = ($ymd >= $start_ymd_allowed && $ymd <= $end_ymd_allowed) ? true : false;
-
-			$current = $this->jump_day($current, 1);
-		}
-
-		return success($result);
-	}
-
-	private function jump_day($timestamp, $days)
-	{
-		$days = (int)$days;
-		$prefix = ($days >= 0 ? '+' : '');
-		return strtotime($prefix . $days . ' days', $timestamp);
-	}
-
 	// start of the private functions ########################################################################################################
 
 	// function used to sort an array of studiensemester strings

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/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/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) *, 

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();
+	}
 }

application/models/organisation/Lehrverband_model.php

@@ -41,4 +41,29 @@ class Lehrverband_model extends DB_Model
 
 		return $result;
 	}
+
+	public function search($query_words)
+	{
+		$this->addSelect('CONCAT(UPPER(CONCAT(typ, kurzbz)), \'\', semester, verband, COALESCE(gruppe,\'\')) as gruppe_kurzbz,
+												studiengang_kz,
+												semester,
+												tbl_lehrverband.bezeichnung,
+												gid,
+												\'true\' as lehrverband');
+		$this->addJoin('public.tbl_studiengang', 'studiengang_kz');
+		$this->addOrder('verband');
+		$this->addOrder('gruppe');
+		$this->db->where(array('tbl_lehrverband.aktiv' => true));
+
+		$this->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->db->group_start();
+			$this->db->where('CONCAT(CONCAT(typ, kurzbz), \'\', semester, verband, COALESCE(gruppe,\'\')) ILIKE', "%" . $word . "%");
+			$this->db->or_where('tbl_lehrverband.bezeichnung ILIKE', "%" . $word . "%");
+			$this->db->group_end();
+		}
+		$this->db->group_end();
+		return $this->load();
+	}
 }

application/models/person/Freebusytyp_model.php

@@ -11,14 +11,4 @@ class Freebusytyp_model extends DB_Model
 		$this->dbTable = 'campus.tbl_freebusytyp';
 		$this->pk = 'freebusytyp_kurzbz';
 	}
-
-	public function getAllFreeBusyTypes()
-	{
-		return $this->execReadOnlyQuery("SELECT * FROM " . $this->dbTable);
-	}
-
-	public function getActiveFreeBusyTypes()
-	{
-		return $this->execReadOnlyQuery("SELECT * FROM " . $this->dbTable . " WHERE is_active");
-	}
 }

application/models/ressource/BetriebsmittelKalender_model.php

@@ -0,0 +1,14 @@
+<?php
+class BetriebsmittelKalender_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_betriebsmittel_kalender';
+		$this->pk = 'betriebsmittel_kalender_id';
+	}
+}

application/models/ressource/Betriebsmittel_model.php

@@ -31,4 +31,26 @@ class Betriebsmittel_model extends DB_Model
 
 		return $this->execQuery($qry);
 	}
+
+	public function getSchedulableEntriesByDatetimeInterval($from, $to)
+	{
+		$qry = "SELECT
+					*
+				FROM
+					wawi.tbl_betriebsmittel
+				WHERE
+					verplanen=true
+					AND 
+				NOT EXISTS(
+					SELECT 1 FROM lehre.tbl_betriebsmittel_kalender
+					JOIN lehre.tbl_kalender ON tbl_kalender.eindeutige_kalender_gruppen_id = tbl_betriebsmittel_kalender.eindeutige_kalender_gruppen_id
+					WHERE
+						betriebsmittel_id=tbl_betriebsmittel.betriebsmittel_id
+					AND tbl_kalender.von < ?
+					AND tbl_kalender.bis > ?
+				)";
+
+
+		return $this->execQuery($qry, array($to, $from));
+	}
 }

application/models/ressource/CoodleSurveyExternalParticipant_model.php

@@ -1,151 +0,0 @@
-<?php
-class CoodleSurveyExternalParticipant_model extends DB_Model
-{
-
-	private $_ci; // Code igniter instance
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'campus.tbl_coodle_survey_external_participants';
-		$this->pk = 'id';
-
-		$this->_ci =& get_instance();
-	}
-
-	public function getExternalParticipants($surveyId, $includeAccessKeys = false)
-	{
-		$selectedColumns = $includeAccessKeys ? "*" : "id, survey_id, name, email, selection";
-		$query = "SELECT $selectedColumns
-				FROM $this->dbTable
-				WHERE survey_id = $surveyId
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getExternalParticipant($externalParticipantId, $includeAccessKey = false)
-	{
-		$selectedColumns = $includeAccessKey ? "*" : "id, survey_id, name, email, selection";
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE id = $externalParticipantId
-			LIMIT 1
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getExternalParticipantByAccessKey($surveyId, $accessKey)
-	{
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE survey_id = $surveyId AND access_key = '$accessKey'
-			LIMIT 1
-		";
-		return $this->execQuery($query);
-	}
-
-	public function updateExternalParticipants($surveyId, $externalParticipants, $timeslots)
-	{
-		$participantsQuery = "SELECT *
-			FROM $this->dbTable
-			WHERE survey_id = $surveyId
-			";
-		$oldExternalParticipants = getData($this->execQuery($participantsQuery));
-		$oldExternalParticipantIds = array_map(
-			function ($oldExternalParticipant) {
-				return $oldExternalParticipant->id;
-			},
-			$oldExternalParticipants
-		);
-
-		$persistingExternalParticipants = array_filter(
-			$externalParticipants,
-			function ($externalParticipant) {
-				return isset($externalParticipant["id"]) && $externalParticipant["id"];
-			}
-		);
-		$persistingExternalParticipantIds = array_map(
-			function ($persistingExternalParticipant) {
-				return $persistingExternalParticipant["id"];
-			},
-			$persistingExternalParticipants
-		);
-
-		$redundantExternalParticipantIds = array_diff(
-			$oldExternalParticipantIds,
-			$persistingExternalParticipantIds
-		);
-
-		$newExternalParticipants = array_filter(
-			$externalParticipants,
-			function ($externalParticipant) {
-				return !isset($externalParticipant["id"]) || !$externalParticipant["id"];
-			}
-		);
-
-
-		if (count($redundantExternalParticipantIds)) {
-			$idsToBeDeleted = "(" . implode(", ", $redundantExternalParticipantIds) . ")";
-			$deleteQuery = "DELETE FROM $this->dbTable WHERE id IN $idsToBeDeleted";
-			$this->execQuery($deleteQuery);
-		}
-
-		if (count($newExternalParticipants)) {
-			$insertValues = array_map(
-				function ($newExternalParticipant) use ($surveyId) {
-					$name = $newExternalParticipant["name"];
-					$email = $newExternalParticipant["email"];
-					$accessKey = uniqid();
-					return "($surveyId, '$name', '$email', '$accessKey', NULL)";
-				},
-				$newExternalParticipants
-			);
-			$insertValues = implode(", ", $insertValues);
-			$insertQuery = "INSERT INTO $this->dbTable (survey_id, name, email, access_key, selection) VALUES $insertValues";
-			$this->execQuery($insertQuery);
-		}
-
-		$updatedExternalParticipants = getData($this->execQuery($participantsQuery));
-		$timeslotIds = array_map(
-			function ($timeslot) {
-				return $timeslot->id;
-			},
-			$timeslots
-		);
-
-		foreach ($updatedExternalParticipants as $externalParticipant) {
-			if (!$externalParticipant->selection)
-				continue;
-
-			$selection = json_decode($externalParticipant->selection, true);
-			if (!count($selection))
-				continue;
-
-			$obsoleteSelectedTimeslotIds = array_diff($selection, $timeslotIds);
-			if (!count($obsoleteSelectedTimeslotIds))
-				continue;
-
-			$updatedSelection = null;
-			if (count($obsoleteSelectedTimeslotIds) !== count($selection)) {
-				$updatedSelection = array_filter(
-					$selection,
-					function ($timeslotId) use ($obsoleteSelectedTimeslotIds) {
-						return !in_array($timeslotId, $obsoleteSelectedTimeslotIds);
-					}
-				);
-			}
-
-			$this->updateSelection($externalParticipant->id, $updatedSelection);
-		}
-	}
-
-	public function updateSelection($externalParticipantId, $selection)
-	{
-		$selection = $selection !== null ? "'" . json_encode($selection) . "'" : "NULL";
-		$selectionUpdateQuery = "UPDATE $this->dbTable SET selection = $selection WHERE id = $externalParticipantId";
-		$this->execQuery($selectionUpdateQuery);
-	}
-}

application/models/ressource/CoodleSurveyParticipant_model.php

@@ -1,137 +0,0 @@
-<?php
-class CoodleSurveyParticipant_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'campus.tbl_coodle_survey_participants';
-	}
-
-	public function getParticipants($surveyId)
-	{
-		$query = "
-			SELECT
-				surveyParticipant.participant_uid as uid,
-				surveyParticipant.selection as selection,
-				person.vorname || ' ' || person.nachname AS name
-				FROM $this->dbTable surveyParticipant
-				JOIN public.tbl_benutzer benutzer ON(benutzer.uid = surveyParticipant.participant_uid)
-				JOIN public.tbl_person person ON(person.person_id = benutzer.person_id)
-				WHERE survey_id = $surveyId
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getParticipantEntriesByUid($uid)
-	{
-		$query = "SELECT * FROM $this->dbTable WHERE participant_uid = '$uid'";
-		return $this->execQuery($query);
-	}
-
-	public function getActiveParticipantEntriesByUid($uid)
-	{
-		$query = "SELECT
-		surveyParticipant.survey_id as survey_id,
-		surveyParticipant.participant_uid as participant_uid,
-		surveyParticipant.selection as selection
-		FROM $this->dbTable surveyParticipant
-		JOIN campus.tbl_coodle_surveys survey ON(survey.id = surveyParticipant.survey_id)
-		WHERE surveyParticipant.participant_uid = '$uid'
-		AND survey.completed_at IS NULL
-		AND survey.canceled_at IS NULL";
-		return $this->execQuery($query);
-	}
-
-	public function updateParticipants($surveyId, $participants, $timeslots)
-	{
-		$participantUids = array_map(function ($participant) {
-			return $participant["uid"];
-		}, $participants);
-
-		$existingParticipantsQuery = "SELECT * FROM " . $this->dbTable . " WHERE survey_id = " . $surveyId;
-		$existingParticipants = getData($this->execQuery($existingParticipantsQuery));
-		$existingParticipantUids = array_map(
-			function ($existingParticipant) {
-				return $existingParticipant->participant_uid;
-			},
-			$existingParticipants
-		);
-
-		$newParticipantUids = array_filter(
-			$participantUids,
-			function ($participantUid) use ($existingParticipantUids) {
-				return !in_array($participantUid, $existingParticipantUids);
-			}
-		);
-		$redundantParticipantUids = array_filter(
-			$existingParticipantUids,
-			function ($existingParticipantUid) use ($participantUids) {
-				return !in_array($existingParticipantUid, $participantUids);
-			}
-		);
-
-		if (count($newParticipantUids)) {
-			$insertQuery = "INSERT INTO $this->dbTable VALUES ";
-			$newParticipantInsertValues = array_map(
-				function ($newParticipantUid) use ($surveyId) {
-					return "('$surveyId', '$newParticipantUid', NULL)";
-				},
-				$newParticipantUids
-			);
-			$newParticipantInsertValues = implode(", ", $newParticipantInsertValues);
-			$insertQuery .= $newParticipantInsertValues;
-			$insertQuery .= ";";
-
-			$this->execQuery($insertQuery);
-		}
-
-		if (count($redundantParticipantUids)) {
-			$deleteQuery = "DELETE FROM $this->dbTable WHERE survey_id = $surveyId AND participant_uid IN ('" . implode("', '", $redundantParticipantUids) . "');";
-			$this->execQuery($deleteQuery);
-		}
-
-		$timeslotIds = array_map(
-			function ($timeslot) {
-				return $timeslot->id;
-			},
-			$timeslots
-		);
-
-		$updatedExistingParticipants = getData($this->execQuery($existingParticipantsQuery));
-		foreach ($updatedExistingParticipants as $participant) {
-			if (!$participant->selection)
-				continue;
-
-			$selection = json_decode($participant->selection, true);
-			if (!count($selection))
-				continue;
-
-			$obsoleteSelectedTimeslotIds = array_diff($selection, $timeslotIds);
-			if (!count($obsoleteSelectedTimeslotIds))
-				continue;
-
-			$updatedSelection = null;
-			if (count($obsoleteSelectedTimeslotIds) !== count($selection)) {
-				$updatedSelection = array_filter(
-					$selection,
-					function ($timeslotId) use ($obsoleteSelectedTimeslotIds) {
-						return !in_array($timeslotId, $obsoleteSelectedTimeslotIds);
-					}
-				);
-			}
-
-			$this->updateSelection($surveyId, $participant->participant_uid, $updatedSelection);
-		}
-	}
-
-	public function updateSelection($surveyId, $participantUid, $selection)
-	{
-		$selection = $selection !== null ? "'" . json_encode($selection) . "'" : "NULL";
-		$selectionUpdateQuery = "UPDATE $this->dbTable SET selection = $selection WHERE survey_id = $surveyId AND participant_uid = '$participantUid'";
-		$this->execQuery($selectionUpdateQuery);
-	}
-}

application/models/ressource/CoodleSurveyTimeslot_model.php

@@ -1,100 +0,0 @@
-<?php
-class CoodleSurveyTimeslot_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'campus.tbl_coodle_survey_timeslots';
-		$this->pk = 'id';
-	}
-
-	public function getTimeslots($surveyId)
-	{
-		$query = "SELECT id, starts_at
-			FROM $this->dbTable
-			WHERE survey_id = $surveyId
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getTimeslotsForMultipleSurveys($surveyIds)
-	{
-		if (!count($surveyIds)) return [];
-
-		$surveyIds = "(" . implode(", ", $surveyIds) . ")";
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE survey_id IN $surveyIds
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getTimeslot($timeslotId)
-	{
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE id = $timeslotId
-			LIMIT 1
-		";
-		return $this->execQuery($query);
-	}
-
-	public function updateTimeslots($surveyId, $timeslots)
-	{
-		$newTimeslots = array_filter(
-			$timeslots,
-			function ($timeslot) {
-				return !$timeslot["id"];
-			}
-		);
-		$persistedTimeslots = array_filter(
-			$timeslots,
-			function ($timeslot) {
-				return $timeslot["id"];
-			}
-		);
-		$persistedTimeslotIds = array_map(
-			function ($persistedTimeslot) {
-				return $persistedTimeslot["id"];
-			},
-			$persistedTimeslots
-		);
-
-		$existingTimeslotsQuery = "SELECT id, starts_at
-			FROM $this->dbTable
-			WHERE survey_id = $surveyId
-		";
-		$existingTimeslots = getData($this->execQuery($existingTimeslotsQuery));
-		$existingTimeslotIds = array_map(
-			function ($existingTimeslot) {
-				return $existingTimeslot->id;
-			},
-			$existingTimeslots
-		);
-
-		$obsoleteTimeslotIds = array_diff($existingTimeslotIds, $persistedTimeslotIds);
-		if (count($obsoleteTimeslotIds)) {
-			$deleteQuery = "DELETE FROM $this->dbTable WHERE id IN ('" . implode("', '", $obsoleteTimeslotIds) . "');";
-			$this->execQuery($deleteQuery);
-		}
-
-		if (count($newTimeslots)) {
-			$insertQuery = "INSERT INTO $this->dbTable (survey_id, starts_at) VALUES ";
-			$newTimeslotInsertValues = array_map(
-				function ($newTimeslot) use ($surveyId) {
-					return "('$surveyId', '" . $newTimeslot["startsAt"] . "')";
-				},
-				$newTimeslots
-			);
-			$newTimeslotInsertValues = implode(", ", $newTimeslotInsertValues);
-			$insertQuery .= $newTimeslotInsertValues;
-			$insertQuery .= ";";
-
-			$this->execQuery($insertQuery);
-		}
-	}
-}

application/models/ressource/CoodleSurvey_model.php

@@ -1,164 +0,0 @@
-<?php
-class CoodleSurvey_model extends DB_Model
-{
-
-	/**
-	 * Constructor
-	 */
-	public function __construct()
-	{
-		parent::__construct();
-		$this->dbTable = 'campus.tbl_coodle_surveys';
-		$this->pk = 'id';
-
-		$this->load->model('ressource/CoodleSurveyParticipant_model', 'CoodleSurveyParticipantModel');
-	}
-
-	public function getSurvey($surveyId)
-	{
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE id = $surveyId
-			LIMIT 1
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getSurveys($surveyIds)
-	{
-		if (!count($surveyIds)) return [];
-
-		$surveyIds = "(" . implode(", ", $surveyIds) . ")";
-		$query = "SELECT *
-			FROM $this->dbTable
-			WHERE id IN $surveyIds
-		";
-		return $this->execQuery($query);
-	}
-
-	public function getActiveSurveys($uid)
-	{
-		$userParticipantEntries = getData($this->CoodleSurveyParticipantModel->getParticipantEntriesByUid($uid));
-		$surveyIdsWhereUserIsParticipant = array_map(
-			function ($userParticipantEntry) {
-				return $userParticipantEntry->survey_id;
-			},
-			$userParticipantEntries
-		);
-		$surveyIdsWhereUserIsParticipantValue = implode(", ", $surveyIdsWhereUserIsParticipant);
-
-		$query = "SELECT
-			survey.id as id,
-			survey.creator_uid as creator_uid,
-			survey.title as title,
-			survey.ends_at as ends_at,
-			survey.created_at as created_at,
-			person.vorname || ' ' || person.nachname AS creator_name
-		 	FROM $this->dbTable as survey
-			JOIN public.tbl_benutzer benutzer ON(benutzer.uid = survey.creator_uid)
-			JOIN public.tbl_person person ON(person.person_id = benutzer.person_id)
-			WHERE (";
-		if (strlen($surveyIdsWhereUserIsParticipantValue)) {
-			$query .= "id IN ($surveyIdsWhereUserIsParticipantValue) OR ";
-		}
-		$query .= "creator_uid = '$uid')
-			AND completed_at IS NULL
-			AND canceled_at IS NULL";
-
-		return $this->execQuery($query);
-	}
-
-	public function getInactiveSurveys($uid)
-	{
-		$userParticipantEntries = getData($this->CoodleSurveyParticipantModel->getParticipantEntriesByUid($uid));
-		$surveyIdsWhereUserIsParticipant = array_map(
-			function ($userParticipantEntry) {
-				return $userParticipantEntry->survey_id;
-			},
-			$userParticipantEntries
-		);
-		$surveyIdsWhereUserIsParticipantValue = implode(", ", $surveyIdsWhereUserIsParticipant);
-
-		$query = "SELECT 
-			survey.id as id,
-			survey.creator_uid as creator_uid,
-			survey.title as title,
-			survey.created_at as created_at,
-			survey.completed_at as completed_at,
-			survey.canceled_at as canceled_at,
-			person.vorname || ' ' || person.nachname AS creator_name
-		 	FROM $this->dbTable as survey
-			JOIN public.tbl_benutzer benutzer ON(benutzer.uid = survey.creator_uid)
-			JOIN public.tbl_person person ON(person.person_id = benutzer.person_id)
-			WHERE (";
-		if (strlen($surveyIdsWhereUserIsParticipantValue)) {
-			$query .= "id IN ($surveyIdsWhereUserIsParticipantValue) OR ";
-		}
-		$query .= "creator_uid = '$uid')
-			AND (completed_at IS NOT NULL OR canceled_at IS NOT NULL)";
-
-		return $this->execQuery($query);
-	}
-
-	public function createSurvey($surveyData, $creatorUid)
-	{
-		$surveyCreationResult = $this->insert([
-			"creator_uid" => $creatorUid,
-			"title" => $surveyData["title"],
-			"description" => $surveyData["description"] ?? "",
-			"timeslot_duration" => $surveyData["timeslotDuration"],
-			"are_selections_anonymized" => !!$surveyData["areSelectionsAnonymized"],
-			"are_participants_anonymized" => !!$surveyData["areParticipantsAnonymized"],
-			"max_selections" => $surveyData["maxSelections"] ?? 1,
-			"selected_timeslot_id" => null,
-			"ends_at" => $surveyData["endsAt"],
-			"completed_at" => null,
-			"canceled_at" => null,
-			"created_at" => "NOW()",
-			"updated_at" => "NOW()",
-		]);
-
-		if (isError($surveyCreationResult)) {
-			return error('Something went wrong during survey creation!');
-		}
-
-		return $surveyCreationResult;
-	}
-
-	public function updateSurvey($surveyId, $surveyData)
-	{
-		$surveyUpdateResult = $this->update($surveyId, [
-			"title" => $surveyData["title"],
-			"description" => $surveyData["description"],
-			"timeslot_duration" => $surveyData["timeslotDuration"],
-			"are_selections_anonymized" => $surveyData["areSelectionsAnonymized"],
-			"are_participants_anonymized" => $surveyData["areParticipantsAnonymized"],
-			"max_selections" => $surveyData["maxSelections"],
-			"ends_at" => $surveyData["endsAt"],
-			"updated_at" => "NOW()",
-		]);
-
-		if (isError($surveyUpdateResult)) {
-			return error('Something went wrong during survey update!');
-		}
-
-		return $surveyUpdateResult;
-	}
-
-	public function cancelSurvey($surveyId)
-	{
-		$this->update($surveyId, [
-			"canceled_at" => "NOW()",
-			"updated_at" => "NOW()",
-		]);
-	}
-
-	public function completeSurvey($surveyId, $timeslotId)
-	{
-		$this->update($surveyId, [
-			"selected_timeslot_id" => $timeslotId,
-			"completed_at" => "NOW()",
-			"updated_at" => "NOW()",
-		]);
-	}
-}

application/models/ressource/Kalender_Event_Rolle_model.php

@@ -0,0 +1,15 @@
+<?php
+class Kalender_Event_Rolle_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_event_rolle';
+		$this->pk = array('rolle_kurzbz');
+		$this->hasSequence = false;
+	}
+}

application/models/ressource/Kalender_Event_Teilnehmer_model.php

@@ -0,0 +1,16 @@
+<?php
+class
+Kalender_Event_Teilnehmer_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_event_teilnehmer';
+		$this->pk = array('kalender_event_teilnehmer_id');
+		$this->hasSequence = false;
+	}
+}

application/models/ressource/Kalender_Event_model.php

@@ -0,0 +1,15 @@
+<?php
+class Kalender_Event_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_event';
+		$this->pk = array('kalender_id');
+		$this->hasSequence = false;
+	}
+}

application/models/ressource/Kalender_Lehreinheit_model.php

@@ -0,0 +1,15 @@
+<?php
+class Kalender_Lehreinheit_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_lehreinheit';
+		$this->pk = array('kalender_id','lehreinheit_id');
+		$this->hasSequence = false;
+	}
+}

application/models/ressource/Kalender_Ort_model.php

@@ -0,0 +1,14 @@
+<?php
+class Kalender_Ort_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_ort';
+		$this->pk = 'kalender_ort_id';
+	}
+}

application/models/ressource/Kalender_model.php

@@ -0,0 +1,25 @@
+<?php
+class Kalender_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender';
+		$this->pk = 'kalender_id';
+	}
+
+	public function generateUniqueGroupId()
+	{
+		while (true) {
+			$uniqueGroupId = generateUUID();
+			$result = $this->loadWhere(['eindeutige_kalender_gruppen_id' => $uniqueGroupId]);
+			if (!hasData($result)) {
+				return $uniqueGroupId;
+			}
+		}
+	}
+}

application/models/ressource/Kalenderstatus_model.php

@@ -0,0 +1,14 @@
+<?php
+class Kalenderstatus_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_status';
+		$this->pk = 'status_kurzbz';
+	}
+}

application/models/ressource/Kalendersyncstatus_model.php

@@ -0,0 +1,14 @@
+<?php
+class Kalendersyncstatus_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'lehre.tbl_kalender_syncstatus';
+		$this->pk = 'kalender_syncstatus_id';
+	}
+}

application/models/ressource/Reservierung_Kalender_model.php

@@ -0,0 +1,14 @@
+<?php
+class Reservierung_Kalender_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'sync.tbl_reservierung_kalender';
+		$this->pk = 'reservierung_kalender_id';
+	}
+}

application/models/ressource/Stundenplandev_Kalender_model.php

@@ -0,0 +1,14 @@
+<?php
+class Stundenplandev_Kalender_model extends DB_Model
+{
+
+	/**
+	 * Constructor
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->dbTable = 'sync.tbl_stundenplandev_kalender';
+		$this->pk = 'stundenplandev_kalender_id';
+	}
+}

application/models/ressource/Zeitsperre_model.php

@@ -12,12 +12,6 @@ class Zeitsperre_model extends DB_Model
 		$this->pk = 'zeitsperre_id';
 	}
 
-	public function getZeitsperre($uid)
-	{
-		$query = "SELECT * from campus.tbl_zeitsperre WHERE mitarbeiter_uid = '$uid'";
-		return $this->execQuery($query);
-	}
-
     /**
      * Save or update Zeitsperre.
      *

application/views/Tempus.php

@@ -0,0 +1,52 @@
+<?php
+	$includesArray = array(
+		'title' => 'Tempus',
+		'axios027' => true,
+		'bootstrap5' => true,
+		'fontawesome6' => true,
+		'vue3' => true,
+		'primevue3' => true,
+		'tabulator5' => true,
+		'filtercomponent' => true,
+		'navigationcomponent' => true,
+		'vuedatepicker11' => true,
+		'tags' => true,
+		'phrases' => array(
+			'global',
+			'ui',
+			'lehre'
+		),
+		'customCSSs' => [
+			'public/css/components/vue-datepicker.css',
+			'public/css/components/primevue.css',
+			'public/css/components/calendar.css',
+			'public/css/Tempus.css',
+			'public/css/Studentenverwaltung.css',
+			'public/css/components/function.css'
+		],
+		'customJSs' => [
+			'vendor/moment/luxonjs/luxon.min.js',
+			'vendor/npm-asset/primevue/listbox/listbox.min.js'
+		],
+		'customJSModules' => [
+			'public/js/apps/Tempus.js'
+		]
+	);
+
+	$this->load->view('templates/FHC-Header', $includesArray);
+?>
+	<div id="main">
+		<router-view
+			default-semester="<?= $variables['semester_aktuell']; ?>"
+			active-addons="<?= defined('ACTIVE_ADDONS') ? ACTIVE_ADDONS : ''; ?>"
+			tempus-root="<?= site_url('Tempus'); ?>"
+			cis-root="<?= CIS_ROOT; ?>"
+			avatar-url="<?= site_url('Cis/Pub/bild/person/' . getAuthPersonId()); ?>"
+			logout-url="<?= site_url('Cis/Auth/logout'); ?>"
+			:permissions="<?= htmlspecialchars(json_encode($permissions)); ?>"
+			:config="<?=  htmlspecialchars(json_encode($variables)); ?>"
+			>
+		</router-view>
+	</div>
+
+<?php $this->load->view('templates/FHC-Footer', $includesArray); ?>

application/views/lehre/anrechnung/approveAnrechnungUebersichtData.php

@@ -16,7 +16,7 @@ $query = '
 			anrechnung.begruendung_id,
 			anrechnung.dms_id,
 			CASE
-				WHEN stg.oe_kurzbz IN (' . $ORGANISATIONSEINHEITEN_SCHREIBBERECHTIGT . ') THEN TRUE
+				WHEN stg.typ || stg.kurzbz IN (' . $ORGANISATIONSEINHEITEN_SCHREIBBERECHTIGT . ') THEN TRUE
 				ELSE FALSE
 			END "schreibberechtigt",
 			anrechnung.studiensemester_kurzbz,

application/views/system/infocenter/infocenterDetails.php

@@ -57,7 +57,7 @@
 				<div class="row<?php if ($lockedbyother) echo ' alert-danger' ?>">
 					<div class="col-lg-8">
 						<h3 class="page-header">
-							Infocenter Details: <a target="_blank" title="Studentenverwaltung" href="<?php echo site_url('/studvw/stdsem/' . $studiensemester . '/person/' . $stammdaten->person_id) ?>"><?php echo $stammdaten->vorname.' '.$stammdaten->nachname ?> <i class="fa fa-external-link" style="font-size:small"></i></a>
+							Infocenter Details: <a target="_blank" title="Studentenverwaltung" href="<?php echo site_url('/Studentenverwaltung/' . $studiensemester . '/person/' . $stammdaten->person_id) ?>"><?php echo $stammdaten->vorname.' '.$stammdaten->nachname ?> <i class="fa fa-external-link" style="font-size:small"></i></a>
 						</h3>
 					</div>
 					<div class="col-lg-4">

application/views/templates/CISVUE-Header.php

@@ -29,11 +29,10 @@ $this->load->view('templates/FHC-Header', $includesArray);
 	<cis-menu 
 		root-url="<?= site_url(''); ?>" 
 		logo-url="<?= base_url($this->config->item('theme_logo')); ?>" 
-		avatar-url="<?= isset($isExternal) && $isExternal ? '' : site_url('Cis/Pub/bild/person/' . getAuthPersonId()); ?>" 
+		avatar-url="<?= site_url('Cis/Pub/bild/person/' . getAuthPersonId()); ?>" 
 		logout-url="<?= site_url('Cis/Auth/logout'); ?>"
 		:searchbaroptions="searchbaroptions" 
 		:searchfunction="searchfunction"
-		:is-external="<?= isset($isExternal) && $isExternal ? 1 : 0 ?>"
 		></cis-menu>
 </header>
 

cis/private/lehre/notenliste.xls.php

@@ -351,7 +351,7 @@ if (!$berechtigung->isBerechtigt('admin')
 					{
 						$worksheet->write($lines,3,$elem->vorname);
 					}
-					$worksheet->writeString($lines,4,$elem->semester.$elem->verband.$elem->gruppe);
+					$worksheet->write($lines,4,$elem->semester.$elem->verband.$elem->gruppe);
 					$worksheet->write($lines,5,trim($elem->matrikelnr),$format_highlight);
 					$worksheet->write($lines,6, $note, $format_highlightright);
 

cis/public/freebusy_coodle.php

@@ -25,10 +25,77 @@
  * http://www.example.com/cis/public/freebusy_coodle.php/oesi
  */
 require_once('../../config/cis.config.inc.php');
+require_once('../../include/benutzer.class.php');
+require_once('../../include/functions.inc.php');
+require_once('../../include/coodle.class.php');
+require_once('../../include/ical.class.php');
 
-$uid = mb_substr($_SERVER['PATH_INFO'], 1);
-$excludeSurveyQueryParam = isset($_GET['excludeSurvey']) ? '?excludeSurvey=' . $_GET['excludeSurvey'] : '';
+$uid = mb_substr($_SERVER['PATH_INFO'],1);
 
-header('Location: ' . APP_ROOT . 'cis.php/CoodleFreeBusy/' . $uid . $excludeSurveyQueryParam);
-exit;
+$bn = new benutzer();
+if(!$bn->load($uid))
+	die('User invalid');
+	
+header("Content-Type: text/calendar; charset=UTF-8");
+
+echo "BEGIN:VCALENDAR\n";
+echo "VERSION:2.0\n";
+echo "PRODID:-//FH TECHNIKUM WIEN//EN\n";
+echo "METHOD:PUBLISH\n";
+echo 'ORGANIZER;CN=',$bn->vorname,' ',$bn->nachname,':mailto:',$uid,'@',DOMAIN,"\n";
+echo 'DTSTAMP;TZID=Europe/Vienna:',date('Ymd', mktime(date('H'),date('i'),date('s'),date('m'),date('d')-5,date('Y'))),'T',date('Hms'),"\n";
+echo 'DTSTART;TZID=Europe/Vienna:',date('Ymd', mktime(0,0,0,date('m'),date('d')-5,date('Y'))),"T000000\n";
+echo 'DTEND;TZID=Europe/Vienna:',date('Ymd', mktime(0,0,0,date('m'),date('d')+30,date('Y'))),"T000000\n";
+echo 'URL:',APP_ROOT,'cis/public/freebusy_coodle.php/',$uid,"\n";
+echo "BEGIN:VFREEBUSY";
+
+// Alle Umfragen holen an denen der User beteiligt ist
+$umfragen = new coodle();
+$umfragen->getCoodleFromUser($uid);
+foreach($umfragen->result as $umfrage)
+{	
+	if($umfrage->coodle_status_kurzbz=='laufend')
+	{
+		// Bei laufenden Umfragen werden alle angekreuzten Vorschlaege zur FreeBusy hinzugefuegt
+		$ressource = new coodle();
+		if($ressource_id = $ressource->RessourceExists($umfrage->coodle_id, $uid))
+		{	
+			// Terminvorschlaege laden die angekreuzt wurden
+			$termine = new coodle();
+			$termine->getRessourceTermin($umfrage->coodle_id, $ressource_id);
+			foreach($termine->result as $termin)
+			{
+				//Start und Ende berechnen
+			    $date = new DateTime($termin->datum.' '.$termin->uhrzeit);
+			    $dtstart = $date->format('Ymd\THis');
+		    	$interval =new DateInterval('PT'.$umfrage->dauer.'M');
+			    $date->add($interval);
+		    	$uhrzeit_ende = $date->format('H:i:s');
+		    	$dtende = $date->format('Ymd\THis');
+		    	echo "\nFREEBUSY;TZID=Europe/Vienna: $dtstart/$dtende";
+			}
+		}
+	}
+	elseif($umfrage->coodle_status_kurzbz=='abgeschlossen')
+	{
+		// Bei abgeschlossenen Umfragen wird nur mehr der ausgewaehlte Termin zur FreeBusy hinzugefuegt
+		$termin = new coodle();
+		$coodle_termin_id=$termin->getTerminAuswahl($umfrage->coodle_id);
+		if($termin->loadTermin($coodle_termin_id))
+		{
+			//Start und Ende berechnen
+		    $date = new DateTime($termin->datum.' '.$termin->uhrzeit);
+		    $dtstart = $date->format('Ymd\THis');
+	    	$interval =new DateInterval('PT'.$umfrage->dauer.'M');
+		    $date->add($interval);
+	    	$uhrzeit_ende = $date->format('H:i:s');
+	    	$dtende = $date->format('Ymd\THis');
+	    	echo "\nFREEBUSY;TZID=Europe/Vienna: $dtstart/$dtende";
+		}
+	}
+	// stornierte Umfragen werden nicht beruecksichtigt
+}
+
+echo "\nEND:VFREEBUSY";
+echo "\nEND:VCALENDAR";
 ?>

cis/public/ical_coodle.php

@@ -23,21 +23,140 @@
  * Aufruf: http://www.example.com/cis/public/ical_coodle.php/[uid]
  */
 require_once('../../config/cis.config.inc.php');
+require_once('../../include/benutzer.class.php');
+require_once('../../include/functions.inc.php');
+require_once('../../include/coodle.class.php');
+require_once('../../include/ical.class.php');
+
 
 $params = mb_substr($_SERVER['PATH_INFO'],1);
 $paramsArray = explode('/',$params);
+$private = false;
 
-// redirect to new coodle ical
 if ($paramsArray[0] == 'cipher_encryption')
 {
-	$encryptedKey = $paramsArray[1];
-	header('Location: '.APP_ROOT.'cis.php/CoodleIcal/encrypted/' . $encryptedKey);
-	exit;
+	$uid = decryptData($paramsArray[1],LVPLAN_CYPHER_KEY);
+	$private = true;
 }
 else
 {
 	$uid = $paramsArray[0];
-	header('Location: '.APP_ROOT.'cis.php/CoodleIcal/' . $uid);
-	exit;
 }
+
+$bn = new benutzer();
+if(!$bn->load($uid))
+	die('User invalid');
+	
+header("Content-Type: text/calendar; charset=UTF-8");
+header("Content-disposition: filename=Coodle Terminzusagen.ics");
+
+echo "BEGIN:VCALENDAR\n";
+echo "VERSION:2.0\n";
+echo "PRODID:-//FH TECHNIKUM WIEN//EN\n";
+//echo "METHOD:PUBLISH\n";
+//echo 'ORGANIZER;CN=',$bn->vorname,' ',$bn->nachname,':mailto:',$uid,'@',DOMAIN,"\n";
+//echo 'DTSTAMP;TZID=Europe/Vienna:',date('Ymd', mktime(date('H'),date('i'),date('s'),date('m'),date('d')-5,date('Y'))),'T',date('Hms'),"\n";
+echo 'DTSTART;TZID=Europe/Vienna:',date('Ymd', mktime(0,0,0,date('m'),date('d')-5,date('Y'))),"T000000\n";
+echo 'DTEND;TZID=Europe/Vienna:',date('Ymd', mktime(0,0,0,date('m'),date('d')+30,date('Y'))),"T000000\n";
+echo "BEGIN:VTIMEZONE
+TZID:Europe/Vienna
+BEGIN:DAYLIGHT
+TZOFFSETFROM:+0100
+RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
+DTSTART:19810329T020000
+TZNAME:GMT+02:00
+TZOFFSETTO:+0200
+END:DAYLIGHT
+BEGIN:STANDARD
+TZOFFSETFROM:+0200
+RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
+DTSTART:19961027T030000
+TZNAME:GMT+01:00
+TZOFFSETTO:+0100
+END:STANDARD
+END:VTIMEZONE\n";
+//echo 'URL:',APP_ROOT,'cis/public/ical_coodle.php/',$uid,"\n";
+
+// Alle Umfragen holen an denen der User beteiligt ist
+$umfragen = new coodle();
+$umfragen->getCoodleFromUser($uid);
+$i = 0;
+if (count($umfragen->result) > 0)
+{
+	//echo "BEGIN:VEVENT";
+}
+foreach($umfragen->result as $umfrage)
+{
+	if($umfrage->coodle_status_kurzbz=='laufend')
+	{
+		// Bei laufenden Umfragen werden alle angekreuzten Vorschlaege zur FreeBusy hinzugefuegt
+		$ressource = new coodle();
+		if($ressource_id = $ressource->RessourceExists($umfrage->coodle_id, $uid))
+		{	
+			// Terminvorschlaege laden die angekreuzt wurden
+			$termine = new coodle($umfrage->coodle_id);
+			$termine->getRessourceTermin($umfrage->coodle_id, $ressource_id);
+			foreach($termine->result as $termin)
+			{
+				//Start und Ende berechnen
+				$date = new DateTime($termin->datum.' '.$termin->uhrzeit);
+				$dtstart = $date->format('Ymd\THis');
+				$interval =new DateInterval('PT'.$umfrage->dauer.'M');
+				$date->add($interval);
+				$uhrzeit_ende = $date->format('H:i:s');
+				$dtende = $date->format('Ymd\THis');
+				$ersteller = new benutzer($termine->ersteller_uid);
+				if ($private == true)
+				{
+					$summary = 'Coodle Terminoption '.strip_tags($termine->titel);
+					$description = 'Erstellt von '.$ersteller->vorname.' '.$ersteller->nachname;
+				}
+				else
+				{
+					$summary = 'Coodle Terminoption';
+					$description = '';
+				}
+
+				echo "\nBEGIN:VEVENT";
+				echo "\nUID:Coodle_Terminoption".$dtstart."_".$dtende;
+				echo "\nSUMMARY:".$summary;
+				echo "\nDESCRIPTION:".$description;
+				echo "\nDTSTART;TZID=Europe/Vienna:$dtstart";
+				echo "\nDTEND;TZID=Europe/Vienna:$dtende";
+				echo "\nTRANSP:OPAQUE";
+				echo "\nEND:VEVENT";
+
+				$i++;
+			}
+		}
+	}
+	// Bei abgeschlossene Umfragen wird ein iCal File mitgeschickt,
+	// deshalb müssen diese Termine nicht berücksichtigt werden
+	/*elseif($umfrage->coodle_status_kurzbz=='abgeschlossen')
+	{
+		// Bei abgeschlossenen Umfragen wird nur mehr der ausgewaehlte Termin zur FreeBusy hinzugefuegt
+		$termin = new coodle();
+		$coodle_termin_id=$termin->getTerminAuswahl($umfrage->coodle_id);
+		if($termin->loadTermin($coodle_termin_id))
+		{
+			//Start und Ende berechnen
+			$date = new DateTime($termin->datum.' '.$termin->uhrzeit);
+			$dtstart = $date->format('Ymd\THis');
+			$interval =new DateInterval('PT'.$umfrage->dauer.'M');
+			$date->add($interval);
+			$uhrzeit_ende = $date->format('H:i:s');
+			$dtende = $date->format('Ymd\THis');
+
+			echo "\nBEGIN:VEVENT";
+			echo "\nSUMMARY:Coodle Terminzusage";
+			echo "\nDTSTART;TZID=Europe/Vienna: $dtstart";
+			echo "\nDTEND;TZID=Europe/Vienna: $dtende";
+			echo "\nTRANSP:OPAQUE";
+			echo "\nEND:VEVENT";
+		}
+	}*/
+	// stornierte Umfragen werden nicht beruecksichtigt
+}
+
+echo "\nEND:VCALENDAR";
 ?>

include/vertrag.class.php

@@ -121,7 +121,7 @@ class vertrag extends basis_db
 											JOIN lehre.tbl_lehreinheit USING(lehreinheit_id)
 										WHERE
 											vertrag_id=tbl_vertrag.vertrag_id
-											AND studiensemester_kurzbz in (SELECT studiensemester_kurzbz FROM public.tbl_studiensemester WHERE start>".$this->db_add_param($datum).")
+											AND studiensemester_kurzbz in (SELECT studiensemester_kurzbz FROM public.tbl_studiensemester WHERE start>=".$this->db_add_param($datum).")
 								)
 						)";
 		}

public/css/Cis4/Cis.css

@@ -33,10 +33,6 @@ html {
 	background-color: var(--fhc-primary) !important;
 }
 
-.fhc-primary-border-color {
-	border-color: var(--fhc-primary) !important;
-}
-
 .fhc-primary-highlight-bg {
 	background-color: var(--fhc-primary-highlight) !important;
 }
@@ -857,67 +853,4 @@ html {
 	border: 1px solid rgba(0, 0, 0, 0.15);
 	border-radius: 0.5rem;
 	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
-}
-
-#coodleParticipantsSearchResults {
-	background-color: var(--fhc-background);
-    border: 1px solid var(--fhc-border);
-}
-.coodleParticipantSearchResult:hover {
-	opacity: 80%;	
-}
-
-.coodleCalendarTimeslotCard:hover {
-	background-color: var(--fhc-background);
-}
-
-.coodlePrimaryHover:hover {
-	color: var(--fhc-primary);
-}
-
-#coodleCalendar .fhc-calendar-base .part-body {
-	z-index: 1 !important;
-}
-
-#coodleCalendar .fhc-calendar-base .fhc-calendar-base-grid-line-background {
-	z-index: 1 !important;
-	pointer-events: none;
-}
-
-#coodleCalendar .fhc-calendar-base-grid-line-event {
-	pointer-events: none;
-}
-
-#coodleCalendar .coodle-calendar-event-clear {
-	pointer-events: auto;
-}
-
-#freeBusyTable th {
-	background-color: var(--fhc-primary) !important;
-	color: var(--fhc-light) !important;
-}
-
-#freeBusyTable .action:hover {
-	opacity:80%;
-}
-
-.fhcPrimaryHover:hover {
-	color: var(--fhc-primary);
-}
-
-.fhcPrimaryBorderHover:hover {
-	border-color: var(--fhc-primary) !important;
-}
-
-button.tabulator-page {
-	background-color: var(--fhc-primary) !important;
-	color: var(--fhc-light) !important;
-}
-
-button.tabulator-page:hover {
-	opacity: 90%;
-}
-
-button.tabulator-page.active {
-	border: solid 2px var(--fhc-primary) !important;
 }

public/css/Cis4/CoreCalendarEvents.css

@@ -97,3 +97,15 @@
 	display: none;
 }
 
+.weekPageContainer .calendar-event-collisions
+{
+	display: grid;
+	grid-template-columns: auto 1fr;
+	background: repeating-linear-gradient(
+			135deg,
+			transparent,
+			transparent 16px,
+			rgba(0, 0, 0, 0.3) 16px,
+			rgba(0, 0, 0, 0.3) 32px
+	);
+}

public/css/Studentenverwaltung.css

@@ -8,6 +8,8 @@
 @import './components/Notiz.css';
 @import './components/Messages.css';
 @import './components/AppMenu.css';
+@import './components/horizontalsplit.css';
+
 
 html {
   font-size: .875em;

public/css/Tempus.css

@@ -0,0 +1,285 @@
+@import './Fhc.css';
+@import './components/searchbar/searchbar.css';
+@import './components/verticalsplit.css';
+@import './components/FilterComponent.css';
+@import './components/Tabs.css';
+@import './components/Notiz.css';
+
+html {
+	font-size: 0.875em;
+	height: 100%;
+}
+
+body {
+	/*display: flex;*/
+	height: 100%;
+}
+.heightfull {
+	height: 95%;
+}
+.navbar-dark .navbar-brand:focus {
+	box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+	z-index: 3;
+}
+#main {
+	height: 100%;
+}
+.tempus {
+	height: 100%;
+}
+.searchbar {
+	margin-right: 0 !important;
+}
+.searchbar > .input-group {
+	margin-right: 0 !important;
+}
+.searchbar > .input-group > * {
+	border-radius: 0 !important;
+}
+
+#sidebarMenu {
+	width: 0%;
+}
+
+.tabulator-row.disabled.tabulator-row-odd .tabulator-cell {
+	color: var(--gray-400);
+}
+.tabulator-row.disabled.tabulator-row-even .tabulator-cell {
+	color: var(--gray-500);
+}
+
+/* Dropdown Toolbar Interessent, submenu */
+.dropend .dropdown-toggle.d-flex::after {
+	height: 0;
+}
+
+@media (min-width: 768px) {
+	#sidebarMenu {
+		visibility: visible !important;
+		transform: none;
+		position: inherit;
+		z-index: 1;
+	}
+}
+
+.toast.toast-success {
+	color: #0f5132;
+	background-color: #d1e7dd !important;
+	border-color: #badbcc !important;
+}
+.toast.toast-danger {
+	color: #842029;
+	background-color: #f8d7da !important;
+	border-color: #f5c2c7 !important;
+}
+
+.has-filter .fa-filter {
+	color: var(--bs-success);
+}
+
+#parkingslot {
+	border: 1px dashed;
+	min-height: 5vh;
+	max-height: 15vh;
+	color: #aaaaaa;
+	text-align: center;
+	font-size: large;
+	margin-top: 1.25rem;
+	overflow-y: auto;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	flex-wrap: wrap;
+}
+
+.course-picker {
+	border: 1px dashed #aaaaaa;
+	display: flex;
+	flex-direction: column;
+	flex: 1 1 0;
+	min-height: 0;
+}
+
+.course-picker-row {
+	padding: 0.5rem;
+	margin-bottom: 0.5rem;
+	border: 1px solid var(--bs-border-color);
+	background-color: var(--event-bg);
+}
+
+.course-parker {
+	position: relative;
+	border: 1px dashed !important;
+	padding: 0.5rem;
+	margin: 0.5rem;
+	background-color: var(--event-bg);
+	color: var(--event-color, var(--fhc-calendar-color-event, #000));
+}
+
+.unpark-btn {
+	position: absolute;
+	top: 2px;
+	right: 2px;
+	padding: 0 4px;
+	border: none;
+	background: transparent;
+}
+:root{
+	--fhc-calendar-pane-height: calc(100vh - 120px);
+}
+
+.eckerltest {
+	box-shadow: 3px 3px 3px #ccc;
+}
+
+.verband-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	max-height: 450px;
+	overflow-y: auto;
+	display: flex;
+	flex-direction: column;
+}
+
+.lecture-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	max-height: 20vh;
+	overflow-y: auto;
+	display: flex;
+	flex-direction: column;
+}
+
+.room-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	padding: 0.5rem 0 0.5rem 0.5rem;
+}
+
+.btn-link.text-danger {
+	text-decoration: none;
+	font-weight: 600;
+}
+
+.btn-link.text-danger:hover {
+	color: #dc3545;
+	transform: scale(1.1);
+}
+
+.bg-lecturer-wish {
+	opacity: 0.15;
+}
+.bg-lecturer-block {
+	background: rgba(255, 0, 0, 0.15);
+}
+
+
+.bg-raumvorschlag-slot {
+	opacity: .70;
+}
+
+.bg-raumvorschlag-slot.rating-good {
+	background-color: var(--bs-success);
+}
+.bg-raumvorschlag-slot.rating-mid {
+	background-color: var(--bs-warning);
+}
+.bg-raumvorschlag-slot.rating-bad {
+	background-color: var(--bs-danger);
+}
+
+
+.wish-w--2 {
+	background-color: #ff2200;
+}
+.wish-w--1 {
+	background-color: #ff9922;
+}
+.wish-w-1 {
+	background-color: #ccffcc;
+}
+.wish-w-2 {
+	background-color: #48fa66;
+}
+
+.fhc-calendar-base-grid-line-event {
+	position: relative !important;
+}
+
+.room-option {
+	display: grid;
+	grid-template-columns: 20px minmax(80px, 110px) minmax(100px, 1fr) auto 20px 50px;
+	align-items: center;
+	width: 100%;
+}
+
+.updated-event {
+	position: relative !important;
+	z-index: 10;
+	animation: modernFocus 1s ease-out;
+	border-radius: 0.25rem;
+}
+
+.updated-event-long {
+	position: relative !important;
+	z-index: 10;
+	animation: modernFocus 1.8s ease-out;
+	border-radius: 0.25rem;
+}
+
+@keyframes modernFocus {
+	0% {
+		background-color: #cfd4d8;
+		box-shadow:
+			0 0 0 0 rgba(120, 120, 120, 0.8),
+			0 0 0 0 rgba(255, 255, 255, 0.6);
+	}
+
+	30% {
+		background-color: #eef1f3;
+		box-shadow:
+			0 0 0 8px rgba(120, 120, 120, 0.25),
+			0 0 30px 8px rgba(255, 255, 255, 0.7);
+	}
+
+	60% {
+		background-color: #f7f8f9;
+		box-shadow:
+			0 0 0 14px rgba(120, 120, 120, 0.15),
+			0 0 45px 12px rgba(255, 255, 255, 0.5);
+	}
+
+	100% {
+		background-color: inherit;
+		box-shadow:
+			0 0 0 24px rgba(120, 120, 120, 0),
+			0 0 60px 20px rgba(255, 255, 255, 0);
+	}
+}
+
+.spinner-overlay {
+	position: absolute;
+	inset: 0; /* top:0 right:0 bottom:0 left:0 */
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	z-index: 9999;
+	background: rgba(255, 255, 255, 1);
+	opacity: 0.4;
+}
+
+.spinner {
+	width: 40px;
+	height: 40px;
+	border: 4px solid #ddd;
+	border-top: 4px solid #007bff;
+	border-radius: 50%;
+	animation: spin 0.8s linear infinite;
+}
+
+@keyframes spin {
+	to {
+		transform: rotate(360deg);
+	}
+
+}

public/css/components/calendar/events.css

@@ -2,6 +2,10 @@
 	cursor: pointer;
 	font-size: var(--fhc-calendar-fontsize-event, .875rem);
 }
+.event--parked {
+	opacity: 0.45 !important;
+}
+
 .fhc-calendar-mode-day .fhc-calendar-base-grid-line,
 .fhc-calendar-mode-week .fhc-calendar-base-grid-line {
 	padding: 0 var(--fhc-calendar-gap-events, var(--fhc-calendar-gap, 1px));
@@ -69,3 +73,39 @@
 .fhc-calendar-base .event > *:hover {
 	filter: brightness(120%);
 }
+
+.fhc-resize-bar {
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	height: 15px;
+	flex: 0 0 12px;
+	cursor: ns-resize;
+	position: relative;
+	visibility: hidden;
+	pointer-events: none;
+	background-color: transparent !important;
+	border: none !important;
+	width: fit-content;
+	margin-left: auto;
+	margin-right: auto;
+}
+
+.fhc-resize-bar--top {
+	margin-bottom: -16px;
+}
+.fhc-resize-bar--bottom {
+	margin-top: -16px;
+}
+
+.fhc-calendar-base-grid-line-event:hover > .fhc-resize-bar {
+	visibility: visible;
+	pointer-events: auto;
+}
+.fhc-calendar-base-grid-line-event.event:hover {
+	z-index: 50;
+}
+.fhc-resize-bar {
+	z-index: 2;
+}
+

public/css/components/calendar/frame.css

@@ -68,9 +68,16 @@
 /* Grid */
 .fhc-calendar-base-grid {
 	--fhc-calendar-axis-collapsible: .2fr;
+	--fhc-calendar-axis-collapsible-manual: .1fr;
+
 	background-color: var(--fhc-calendar-bg-gap);
 	grid-gap: var(--fhc-calendar-gap-header, calc(var(--fhc-calendar-gap, 1px) * 2));
 }
+
+.fhc-calendar-base-grid-line-collapsed {
+	overflow: hidden;
+}
+
 .fhc-calendar-base-grid .grid-header {
 	background-color: var(--fhc-calendar-bg-header-gap, var(--fhc-calendar-bg-gap));
 }

public/css/tags.css

@@ -17,6 +17,13 @@
 	transform: scale(1.15);
 }
 
+/* add prop that disasbles hover and cursor*/
+.tag.disabled:hover
+{
+	transform: none;
+	cursor: default;
+}
+
 .tag_rot {
 	background-color: #ff0000ff;
 }

public/js/api/factory/coodle.js

@@ -1,146 +0,0 @@
-/**
- * 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/>.
- */
-
-export default {
-	searchParticipants(searchString) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/searchParticipants",
-			params: {
-				searchString,
-			},
-		};
-	},
-	createSurvey(surveyData) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/createSurvey",
-			params: {
-				surveyData,
-			},
-		};
-	},
-	updateSurvey(surveyId, surveyData, shouldInformParticipants) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/updateSurvey",
-			params: {
-				surveyId,
-				surveyData,
-				shouldInformParticipants,
-			},
-		};
-	},
-	getSurvey(surveyId) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/getSurvey",
-			params: {
-				surveyId,
-			},
-		};
-	},
-	getSurveyForExternalParticipant(surveyId, accessKey) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/getSurveyForExternalParticipant",
-			params: {
-				surveyId,
-				accessKey,
-			},
-		};
-	},
-	getActiveSurveys() {
-		return {
-			method: "get",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/getActiveSurveys",
-		};
-	},
-	getInactiveSurveys() {
-		return {
-			method: "get",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/getInactiveSurveys",
-		};
-	},
-	submitParticipantSelection(surveyId, selection) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/submitParticipantSelection",
-			params: {
-				surveyId,
-				selection,
-			},
-		};
-	},
-	submitExternalParticipantSelection(surveyId, accessKey, selection) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/submitExternalParticipantSelection",
-			params: {
-				surveyId,
-				accessKey,
-				selection,
-			},
-		};
-	},
-	cancelSurvey(surveyId) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/cancelSurvey",
-			params: {
-				surveyId,
-			},
-		};
-	},
-	completeSurvey(surveyId, selectedTimeslotId, selectedRoomId) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/completeSurvey",
-			params: {
-				surveyId,
-				selectedTimeslotId,
-				selectedRoomId,
-			},
-		};
-	},
-	sendReminders(surveyId) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/sendVotingReminders",
-			params: {
-				surveyId,
-			},
-		};
-	},
-	getCoodleIcalLink() {
-		return {
-			method: "get",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/getCoodleIcalUrl",
-		};
-	},
-	emailParticipants(surveyId, emailType, additionalData = null) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/CoodleSurvey/emailParticipants",
-			params: {
-				surveyId,
-				emailType,
-				additionalData,
-			},
-		};
-	},
-};

public/js/api/factory/freeBusy.js

@@ -1,64 +0,0 @@
-/**
- * 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/>.
- */
-
-export default {
-	getFreeBusyEntries() {
-		return {
-			method: "get",
-			url: "/api/frontend/v1/coodle/FreeBusy/getFreeBusyEntries",
-		};
-	},
-	createFreeBusyEntry(params) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/FreeBusy/createFreeBusyEntry",
-			params,
-		};
-	},
-	updateFreeBusyEntry(params) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/FreeBusy/updateFreeBusyEntry",
-			params,
-		};
-	},
-	deleteFreeBusyEntry(id) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/FreeBusy/deleteFreeBusyEntry",
-			params: {
-				id,
-			},
-		};
-	},
-	getFreeBusyTypes() {
-		return {
-			method: "get",
-			url: "/api/frontend/v1/coodle/FreeBusy/getFreeBusyTypes",
-		};
-	},
-	getFreeBusySchedule(uid, coodleSurveyIdToExclude) {
-		return {
-			method: "post",
-			url: "/api/frontend/v1/coodle/FreeBusy/getFreeBusySchedule",
-			params: {
-				uid,
-				coodleSurveyIdToExclude
-			},
-		};
-	},
-};

public/js/api/factory/operationalResourceToCalender.js

@@ -0,0 +1,38 @@
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export default {
+  getSchedulableResourcesByCalendar(calendarID) {
+    return {
+      method: "get",
+      url: "/api/frontend/v1/tempus/OperationalResourceToCalenderAPI/getSchedulableResourcesByCalendar/" + calendarID,
+    };
+  },
+  getAssignedResourcesByCalender(calenderID) {
+    return {
+      method: "get",
+      url: "/api/frontend/v1/tempus/OperationalResourceToCalenderAPI/getAssignedResourcesByCalender/" + calenderID,
+    };
+  },
+  storeResourcesToCalendarRelationship(calenderID, assignedResources) {
+    return {
+      method: "post",
+      url: "/api/frontend/v1/tempus/OperationalResourceToCalenderAPI/storeResourcesToCalendarRelationship",
+      params: { kalender_id: calenderID, assignedResources: assignedResources },
+    };
+  }
+};

public/js/api/factory/renderers.js

@@ -9,4 +9,12 @@ export default {
 			}
 		};
 	},
+	loadTempusRenderers() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/RendererLoader/GetTempusRenderers',
+			params: {
+			}
+		};
+	},
 }

public/js/api/factory/tempus/config.js

@@ -0,0 +1,44 @@
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export default {
+	get() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/config/get'
+		};
+	},
+	getHeader() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/config/getHeader'
+		};
+	},
+	set(params) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/config/set',
+			params
+		};
+	},
+	updateCollision () {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/config/updateCollision'
+		};
+	}
+};

public/js/api/factory/tempus/coursepicker.js

@@ -0,0 +1,10 @@
+export default {
+	getCourses(filter, studiensemester_kurzbz) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/coursepicker/getCourses',
+			params: { ...filter, studiensemester_kurzbz }
+		};
+	},
+
+};

public/js/api/factory/tempus/info.js

@@ -0,0 +1,8 @@
+export default {
+	getStudiengaenge() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Info/getStudiengaenge',
+		};
+	},
+};

public/js/api/factory/tempus/kalender.js

@@ -0,0 +1,165 @@
+
+export default {
+	getPlan(filter, start_date, end_date)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/getPlan',
+			params: { ...filter, start_date, end_date }
+		};
+	},
+	getRaumvorschlagSlots(lehreinheit_id, start_date, end_date)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getRaumvorschlagSlots',
+			params: { lehreinheit_id, start_date, end_date }
+		};
+	},
+	getPlanLecturer(start_date, end_date)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getPlanLecturer',
+			params: { start_date, end_date }
+		};
+	},
+	getPlanStudent(start_date, end_date)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getPlanStudent',
+			params: { start_date, end_date }
+		};
+	},
+
+	syncToLecturer(kalender_id)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/syncToLecturer',
+			params: { kalender_id }
+		};
+	},
+	syncToStudent(kalender_id)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/syncToStudent',
+			params: { kalender_id }
+		};
+	},
+	sync()
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/sync',
+		};
+	},
+	getLektorZeitsperren(emp, start_date, end_date) {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getZeitsperren',
+			params: { emp, start_date, end_date }
+		};
+	},
+	getLektorZeitwuensche(emp, start_date, end_date) {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getZeitwuensche',
+			params: { emp, start_date, end_date }
+		};
+	},
+	getStunden() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getStunden',
+		};
+	},
+	getCalendarHours() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getCalendarHours',
+		};
+	},
+	updateKalenderEvent(kalender_id, updatedInfos) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/updateKalenderEvent',
+			params: { kalender_id, updatedInfos}
+		};
+	},
+	deleteOrtEntry(kalender_id) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/deleteOrtEntry',
+			params: { kalender_id}
+		};
+	},
+	addKalenderEvent(lehreinheit_id, ort_kurzbz, start_date, end_date) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/addKalenderEvent',
+			params: { lehreinheit_id, ort_kurzbz, start_date, end_date}
+		};
+	},
+	calculateMultiWeekPlan(lehreinheit_id, ort_kurzbz, start_date, end_date) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/calculateMultiWeekPlan',
+			params: { lehreinheit_id, ort_kurzbz, start_date, end_date }
+		};
+	},
+	confirmMultiWeekPlan(plan, lehreinheit_id ) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/confirmMultiWeekPlan',
+			params: { plan, lehreinheit_id }
+		};
+	},
+
+	addToKalenderEvent(target_kalender_id, lehreinheit_id ) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/addToKalenderEvent',
+			params: { target_kalender_id, lehreinheit_id }
+		};
+	},
+	getRaumvorschlag(kalender_id) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/getRaumvorschlag',
+			params: { kalender_id }
+		};
+	},
+	getLehreinheiten(kalender_id) {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getLehreinheiten',
+			params: { kalender_id }
+		};
+	},
+
+	getHistory(kalender_id) {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getHistory',
+			params: { kalender_id }
+		};
+	},
+	deleteEntry(kalender_id) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/deleteEntry',
+			params: { kalender_id }
+		};
+	},
+	deleteFromKalenderEvent(kalender_id, lehreinheit_ids) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/deleteFromKalenderEvent',
+			params: { kalender_id, lehreinheit_ids }
+		};
+	},
+
+};

public/js/api/factory/tempus/reservierung.js

@@ -0,0 +1,59 @@
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export default {
+	getInformation() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Reservierung/getInformation',
+		};
+	},
+	searchTeilnehmer(query)
+	{
+		return {
+			method: 'get',
+			url: `/api/frontend/v1/tempus/Reservierung/getLektor?query=${encodeURIComponent(query)}`
+		};
+	},
+	searchGroup(query)
+	{
+		return {
+			method: 'get',
+			url: `/api/frontend/v1/tempus/Reservierung/searchGroup?query=${encodeURIComponent(query)}`
+		};
+	},
+	getGruppen(query) {
+		return {
+			method: 'get',
+			url: `/api/frontend/v1/tempus/Reservierung/getGruppen?query=${encodeURIComponent(query)}`
+		};
+	},
+	getRollen() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Reservierung/getRollen',
+		};
+	},
+	addReservierung(titel, beschreibung, orte, start_date, end_date, teilnehmer, specialFinalGroups, specialGroups, groups) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Reservierung/addReservierung',
+			params: { titel, beschreibung, orte, start_date, end_date, teilnehmer, specialFinalGroups, specialGroups, groups}
+		};
+	},
+
+};

public/js/api/factory/tempus/studiengangtree.js

@@ -0,0 +1,43 @@
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+export default {
+	get(path) {
+		let url = 'api/frontend/v1/lv/StgTree';
+		if (path)
+			url += '/' + path;
+		return {
+			method: 'get',
+			url
+		};
+	},
+	favorites: {
+		get() {
+			return {
+				method: 'get',
+				url: 'api/frontend/v1/tempus/favorites'
+			};
+		},
+		set(favorites) {
+			return {
+				method: 'post',
+				url: 'api/frontend/v1/tempus/favorites/set',
+				params: { favorites }
+			};
+		}
+	}
+};

public/js/api/factory/tempus/sync.js

@@ -0,0 +1,83 @@
+/**
+ * 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/>.
+ */
+
+export default {
+	getSyncs(studiensemester_kurzbz) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/KalenderSync/getSyncs',
+			params: { studiensemester_kurzbz }
+		};
+	},
+	loadSync(kalender_syncstatus_id) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/KalenderSync/loadSync',
+			params: { kalender_syncstatus_id }
+		};
+	},
+	getSyncStatus() {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/KalenderSync/getSyncStatus',
+		};
+	},
+	add(formData) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/KalenderSync/add',
+			params: { formData }
+		};
+	},
+	delete(kalender_syncstatus_id) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/KalenderSync/delete',
+			params: { kalender_syncstatus_id }
+		};
+	},
+	start(formData) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/KalenderSync/start',
+			params: { formData }
+		};
+	},
+	updateSync(formData) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/tempus/KalenderSync/updateSync',
+			params: { formData }
+		};
+	},
+	getStudienplan(oe_kurzbz, studiensemester_kurzbz, ausbildungssemester) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/tempus/KalenderSync/getStudienplan',
+			params: { oe_kurzbz, studiensemester_kurzbz, ausbildungssemester }
+		};
+	},
+
+	getMaxSemester(studiengang_kzs) {
+		return {
+			method: 'post',
+			url: 'api/frontend/v1/stv/status/getMaxSemester/',
+			params: { studiengang_kzs }
+		};
+	},
+
+};

public/js/api/factory/tempus/tag.js

@@ -0,0 +1,59 @@
+export default {
+
+	getTag(data)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Tags/getTag',
+			params: data
+		};
+	},
+
+	getTags(data)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Tags/getTags'
+		};
+	},
+	getTagsByCalendar(calenderGroupId)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Tags/getTagsByCalendar/' + calenderGroupId,
+		};
+	},
+	addTag(data)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Tags/addTag',
+			params: data
+		};
+	},
+	updateTag(data)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Tags/updateTag',
+			params: data
+		};
+	},
+	doneTag(data)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Tags/doneTag',
+			params: data
+		};
+	},
+
+	deleteTag(data)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Tags/deleteTag',
+			params: data
+		};
+	},
+};

public/js/apps/Cis/Cis.js

@@ -10,8 +10,6 @@ import Profil from "../../components/Cis/Profil/Profil.js";
 import Raumsuche from "../../components/Cis/Raumsuche/Raumsuche.js";
 import CmsNews from "../../components/Cis/Cms/News.js";
 import CmsContent from "../../components/Cis/Cms/Content.js";
-import Coodle from "../../components/Cis/Coodle/Coodle.js";
-import CoodleExternal from "../../components/Cis/Coodle/CoodleExternal.js";
 import Info from "../../components/Cis/Mylv/Semester/Studiengang/Lv/Info.js";
 import RoomInformation, {DEFAULT_MODE_RAUMINFO_DESKTOP, DEFAULT_MODE_RAUMINFO_MOBILE} from "../../components/Cis/Mylv/RoomInformation.js";
 import AbgabetoolStudent from "../../components/Cis/Abgabetool/AbgabetoolStudent.js";
@@ -221,18 +219,6 @@ const router = VueRouter.createRouter({
         		};
       		}
     	},
-		{
-			path: `/Cis/Coodle`,
-			name: 'Coodle',
-			component: Coodle,
-			props: true
-		},
-		{
-			path: `/Cis/CoodleExternal/:surveyId/:accessKey`,
-			name: 'CoodleExternal',
-			component: CoodleExternal,
-			props: true
-		},
 		{
 			path: `/Cis4`,
 			name: 'Cis4',

public/js/apps/Cis/Menu.js

@@ -9,7 +9,7 @@ const app = Vue.createApp({
     name: 'CisMenuApp',
     components: {
         FhcSearchbar,
-        CisMenu,
+        CisMenu
     },
     data: function() {
         return {