lvverwaltung & vilesci links eingblendet

# Conflicts:
#	application/models/education/Lehreinheit_model.php

application/config/Events.php

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

application/config/routes.php

@@ -129,17 +129,25 @@ $route['api/frontend/v1/treemenudata/stv/.*'] = 'api/frontend/v1/stv/students/in
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2';
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/semester/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/semester/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
-$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
-$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStg/$1/$2/$3';
+
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStgOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)/semester/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStgOrgform/$1/$2/$3/$4';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByStgOrgform/$1/$2/$3';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/stg/(:any)/orgform/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByStgOrgform/$1/$2/$3';
 
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2';
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)/stg/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2/$3';
 $route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/emp/(:any)/stg/(:any)/.*'] = 'api/frontend/v1/Lehrveranstaltung/getByEmp/$1/$2/$3';
 
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/le/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByLe/$1/$2';
+$route['api/frontend/v1/treemenudata/lvverwaltung/stdsem/(:any)/lv/(:any)'] = 'api/frontend/v1/Lehrveranstaltung/getByLv/$1/$2';
+
 
 // load routes from extensions, also look for environment-specific configs
 $subdirs = ['application/config/extensions', 'application/config/' . ENVIRONMENT . '/extensions'];
 
+$route['api/frontend/v1/tempus/Tags/getTagsByCalendar/(:num)'] = 'api/frontend/v1/tempus/Tags/getTagsByCalendar/$1';
+
 foreach($subdirs as $subdir)
 {
 	if(is_dir($subdir))

application/config/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/lvvw.php

@@ -26,7 +26,8 @@ $config['root'] = [
 			'verband' => [
 				'group'
 			]
-		],
-		'orgform'
+		]
 	]
 ];
+
+$config['root']['stg']['orgform'] = $config['root']['stg'];

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/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/Lehrveranstaltung.php

@@ -28,7 +28,10 @@ class Lehrveranstaltung extends FHCAPI_Controller
 	{
 		parent::__construct([
 			'getByEmp' => ['admin:r', 'assistenz:r'],
+			'getByLe' => ['admin:r', 'assistenz:r'],
+			'getByLv' => ['admin:r', 'assistenz:r'],
 			'getByStg' => ['admin:r', 'assistenz:r'],
+			'getByStgOrgform' => ['admin:r', 'assistenz:r'],
 			'loadByLV' => ['admin:r', 'assistenz:r'],
 		]);
 
@@ -77,41 +80,117 @@ class Lehrveranstaltung extends FHCAPI_Controller
 
 		$this->terminateWithSuccess($tree);
 	}
+
+	public function getByLe($studiensemester_kurzbz = null, $lehreinheit_id = null)
+	{
+		if (is_null($lehreinheit_id))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
+
+		$lehreinheiten = $this->_ci->LehreinheitModel->getByLeStudiensemester($lehreinheit_id, $studiensemester_kurzbz);
+		$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+		$this->terminateWithSuccess($lehreinheiten_data);
+	}
+
+	public function getByLv($studiensemester_kurzbz = null, $lehrveranstaltung_id = null)
+	{
+		if (is_null($lehrveranstaltung_id))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
+		$tree = [];
+
+		$this->_ci->LehrveranstaltungModel->addSelect('studiengang_kz');
+		$lv = $this->_ci->LehrveranstaltungModel->load($lehrveranstaltung_id);
+		$lv = $this->getDataOrTerminateWithError($lv);
+
+		if (empty($lv))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehrveranstaltungen_data = array();
+		foreach ($this->_loadLvRows(current($lv)->studiengang_kz, $studiensemester_kurzbz) as $row)
+		{
+			if ((string)$row->lehrveranstaltung_id === (string)$lehrveranstaltung_id)
+			{
+				$lehrveranstaltungen_data[] = $row;
+				break;
+			}
+		}
+
+		if (empty($lehrveranstaltungen_data))
+		{
+
+			$this->_ci->LehrveranstaltungModel->addSelect('
+				tbl_lehrveranstaltung.*,
+				tbl_lehrveranstaltung.kurzbz as lv_kurzbz,
+				lehrveranstaltung_id,
+				lehrtyp_kurzbz,
+				studiengang_kz as lv_studiengang_kz,
+				UPPER(CONCAT(tbl_studiengang.typ, tbl_studiengang.kurzbz)) as studiengang,
+				semester as semester,
+				tbl_lehrveranstaltung.bezeichnung as lv_bezeichnung,
+				ects as lv_ects,
+				lehreverzeichnis as lv_lehreverzeichnis,
+				planfaktor as lv_planfaktor,
+				planlektoren as lv_planlektoren,
+				planpersonalkosten as lv_planpersonalkosten,
+				plankostenprolektor as lv_plankostenprolektor,
+				tbl_lehrveranstaltung.orgform_kurzbz as orgform_kurzbz,
+				tbl_lehrveranstaltung.sprache as sprache,
+				lehrform_kurzbz as lv_lehrform_kurzbz,
+				tbl_lehrveranstaltung.bezeichnung_english as lv_bezeichnung_english,
+				semesterstunden as lv_semesterstunden,
+			');
+			$this->_ci->LehrveranstaltungModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+			$lehrveranstaltungen = $this->_ci->LehrveranstaltungModel->load($lehrveranstaltung_id);
+			$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+		}
+
+		foreach ($lehrveranstaltungen_data as $lehrveranstaltung)
+		{
+			$lehreinheiten = $this->_ci->LehreinheitModel->getByLvidStudiensemester($lehrveranstaltung->lehrveranstaltung_id, $studiensemester_kurzbz);
+			$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+			if (!isset($lehrveranstaltung->_children))
+			{
+				$lehrveranstaltung->_children = $lehreinheiten_data;
+			}
+			$tree[] = $lehrveranstaltung;
+		}
+
+		$counter = 0;
+		$this->assignUniqueIndex($tree, $counter);
+		$this->terminateWithSuccess($tree);
+	}
+
 	public function getByStg($studiensemester_kurzbz = null, $stg_kz = null, $semester = null)
+	{
+		$this->_getLvTree($studiensemester_kurzbz, $stg_kz, $semester, null);
+	}
+
+	public function getByStgOrgform($studiensemester_kurzbz = null, $stg_kz = null, $orgform = null, $semester = null)
+	{
+		$orgform_kurzbz = $this->getOrgformKurzbz($orgform);
+		$this->_getLvTree($studiensemester_kurzbz, $stg_kz, $semester, $orgform_kurzbz);
+	}
+
+	private function _getLvTree($studiensemester_kurzbz, $stg_kz, $semester, $orgform_kurzbz)
 	{
 		$studiengang_kz = $this->getStudiengangKz($stg_kz);
 
 		if (is_null($studiengang_kz) || !preg_match("/^(-?[1-9][0-9]*|0)$/", (string)$studiengang_kz))
 			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
 
-		$verband = null;
-		if (!is_null($semester) && !is_numeric($semester))
-		{
-			$verband = $this->getOrgformKurzbz($semester);
-			$semester = null;
-		}
-
-		$this->_ci->load->model('organisation/Studienplan_model', 'StudienplanModel');
+		if (!is_null($semester) && !ctype_digit((string)$semester))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
 
 		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
-		$studienplan_data = $this->_ci->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
 
-		$studienplan_ids = array();
-		$only_ids = array();
-		$placeholders = array();
-
-		if (hasData($studienplan_data))
-		{
-			foreach (getData($studienplan_data) as $studienplan) {
-				$placeholders[] = "(?, ?)";
-				$studienplan_ids[] = $studienplan->studienplan_id;
-				$studienplan_ids[] = $studienplan->semester;
-				$only_ids[] = $studienplan->studienplan_id;
-			}
-		}
-
-		$lehrveranstaltungen_data = $this->_ci->LehrveranstaltungModel->getLvsByStudiengang($studienplan_ids, $placeholders, $only_ids, $studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
-		$lehrveranstaltungen_data = hasData($lehrveranstaltungen_data) ? getData($lehrveranstaltungen_data) : array();
+		$lehrveranstaltungen_data = $this->_loadLvRows($studiengang_kz, $studiensemester_kurzbz, $semester, $orgform_kurzbz);
 
 		$tree = [];
 		foreach ($lehrveranstaltungen_data as $row)
@@ -244,6 +323,31 @@ class Lehrveranstaltung extends FHCAPI_Controller
 
 		$this->LehreinheitModel->getLvsByFachbereich($fachbereich, $studiensemester_kurzbz, $mitarbeiter_uid);
 	}*/
+
+	private function _loadLvRows($studiengang_kz, $studiensemester_kurzbz, $semester = null, $orgform_kurzbz = null)
+	{
+		$this->_ci->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$studienplan_data = $this->_ci->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $semester, $orgform_kurzbz);
+
+		$studienplan_ids = array();
+		$only_ids = array();
+		$placeholders = array();
+
+		if (hasData($studienplan_data))
+		{
+			foreach (getData($studienplan_data) as $studienplan) {
+				$placeholders[] = "(?, ?)";
+				$studienplan_ids[] = $studienplan->studienplan_id;
+				$studienplan_ids[] = $studienplan->semester;
+				$only_ids[] = $studienplan->studienplan_id;
+			}
+		}
+
+		$lehrveranstaltungen_data = $this->_ci->LehrveranstaltungModel->getLvsByStudiengang($studienplan_ids, $placeholders, $only_ids, $studiengang_kz, $studiensemester_kurzbz, $semester, $orgform_kurzbz);
+		return hasData($lehrveranstaltungen_data) ? getData($lehrveranstaltungen_data) : array();
+	}
+
 	private function _setAuthUID()
 	{
 		$this->_uid = getAuthUID();
@@ -309,8 +413,8 @@ class Lehrveranstaltung extends FHCAPI_Controller
 		$data = $this->getDataOrTerminateWithError($result);
 
 		if (!$data)
-			return $orgform_kurzbz;
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
 
 		return current($data)->orgform_kurzbz;
 	}
-}
+}

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/dashboard/Widget.php

@@ -101,6 +101,9 @@ class Widget extends FHCAPI_Controller
 			$tmpsetup = json_decode($widget->setup);
 			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
 			$widget->setup = $tmpsetup;
+			$widget->permitted = empty($widget->berechtigung_kurzbz) 
+				|| $this->permissionlib->isBerechtigt($widget->berechtigung_kurzbz);
+
 			return $widget;
 		}, $widgets);
 

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/organisation/Studiensemester.php

@@ -28,7 +28,8 @@ class Studiensemester extends FHCAPI_Controller
 				'getStudienjahrByStudiensemester' => self::PERM_LOGGED,
 				'getAllStudiensemesterAndAktOrNext' => self::PERM_LOGGED,
 				'current' => self::PERM_LOGGED,
-				'set' => self::PERM_LOGGED
+				'set' => self::PERM_LOGGED,
+				'getContainingOrNearestByDateRange' => self::PERM_LOGGED,
 			)
 		);
 		// Load model StudiensemesterModel
@@ -203,4 +204,15 @@ class Studiensemester extends FHCAPI_Controller
 
 		$this->terminateWithSuccess(true);
 	}
+
+	public function getContainingOrNearestByDateRange()
+	{
+		$from = $this->input->get("from");
+		$to = $this->input->get("to");
+
+		$result = $this->StudiensemesterModel->getContainingOrNearestByDateRange($from, $to);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
 }

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

@@ -0,0 +1,168 @@
+<?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',
+			'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['room_planning'] = [
+			"type"  => "select",
+			"label" => $this->p->t('ui', 'room_planning'),
+			"value" => $data['room_planning'] ?? "dialog_room_planning",
+			"options" => [
+				'dialog_room_planning' => $this->p->t('ui', 'dialog_room_planning'),
+				'priority_room_planning' => $this->p->t('ui', 'priority_room_planning'),
+			],
+		];
+
+		$this->terminateWithSuccess($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()
+	{
+		$this->_ci->load->library('form_validation');
+
+		$configs = array(
+			'ignore_kollision',
+			'kollision_student',
+			'ignore_reservierung',
+			'ignore_zeitsperre',
+			'ignore_resources_collisions',
+			'roomless_planning',
+		);
+
+		$this->form_validation->set_rules(
+			'room_planning',
+			$this->p->t('ui', 'room_planning'),
+			'required|in_list[dialog_room_planning,priority_room_planning]'
+		);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		foreach ($configs as $config)
+		{
+			$this->_ci->VariableModel->setVariable(
+				getAuthUID(),
+				$config,
+				$this->input->post($config) === true ? 'true' : 'false'
+			);
+		}
+
+		$this->VariableModel->setVariable(
+			getAuthUID(),
+			'room_planning',
+			$this->input->post('room_planning')
+		);
+
+		$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 +1,592 @@
+<?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',
+			'getRaeume' => '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',
+			'getModalContent' => 'lehre/lvplan:rw',
+		]);
+
+		$this->_ci =& get_instance();
+
+		$this->_ci->load->model('ressource/Zeitwunsch_model', 'ZeitwunschModel');
+		$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 getModalContent()
+	{
+		$this->_ci->form_validation->set_data($_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);
+
+		$anzahl = $this->_ci->kalenderlib->getStudentenAnzahl(
+			$kalender_id
+		);
+
+		if (isError($anzahl))
+			$this->terminateWithError(getError($anzahl));
+
+		$anzahlSchwund = $this->_ci->kalenderlib->getStudentenAnzahl(
+			$kalender_id,
+			true
+		);
+
+		if (isError($anzahlSchwund))
+			$this->terminateWithError(getError($anzahl));
+
+		$entryResult = $this->_ci->kalenderlib->getByKalenderId($kalender_id);
+
+		$kalender_entry = $entryResult[0];
+
+		$mitarbeiter_uids = array_values(array_unique((array_column($kalender_entry->lektor, 'mitarbeiter_uid'))));
+		$zeitwunschMap = [];
+		if (!isEmptyArray($mitarbeiter_uids))
+		{
+			$this->_ci->ZeitwunschModel->addSelect('tbl_zeitwunsch.mitarbeiter_uid');
+			$this->_ci->ZeitwunschModel->addSelect('MAX(GREATEST(tbl_zeitwunsch_gueltigkeit.insertamum, tbl_zeitwunsch_gueltigkeit.updateamum)) AS letzte_aenderung', false);
+			$this->_ci->ZeitwunschModel->addJoin('campus.tbl_zeitwunsch_gueltigkeit', 'zeitwunsch_gueltigkeit_id');
+			$this->_ci->ZeitwunschModel->db->where_in('tbl_zeitwunsch.mitarbeiter_uid', $mitarbeiter_uids);
+			$this->_ci->ZeitwunschModel->addGroupBy('tbl_zeitwunsch.mitarbeiter_uid');
+
+			$zeitwunschMapResult = $this->_ci->ZeitwunschModel->load();
+
+			if (isError($zeitwunschMapResult))
+				$this->terminateWithError(getError($zeitwunschMapResult));
+
+			if (hasData($zeitwunschMapResult))
+			{
+				foreach (getData($zeitwunschMapResult) as $row)
+				{
+					$zeitwunschMap[$row->mitarbeiter_uid] = $row->letzte_aenderung;
+				}
+			}
+		}
+
+		$mailResult = $this->_ci->kalenderlib->getMailVerteiler($kalender_id);
+
+		if (isError($mailResult))
+			$this->terminateWithError(getError($mailResult));
+
+		$return = ['anzahl' => getData($anzahl),
+			'anzahlSchwund' => getData($anzahlSchwund),
+			'zeitwunschMap' => $zeitwunschMap,
+			'mails' => getData($mailResult)
+		];
+
+		$this->terminateWithSuccess($return);
+	}
+	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 getRaeume()
+	{
+		$this->_ci->OrtModel->addSelect('ort_kurzbz, raumtyp_kurzbz, max_person');
+		$this->_ci->OrtModel->addJoin('public.tbl_ortraumtyp', 'ort_kurzbz');
+		$this->_ci->OrtModel->db->where('aktiv', true);
+		$this->_ci->OrtModel->db->where('lehre', true);
+		$this->_ci->OrtModel->addOrder('raumtyp_kurzbz');
+		$this->_ci->OrtModel->addOrder('ort_kurzbz');
+		$this->_ci->OrtModel->addOrder('max_person');
+		$orte = $this->_ci->OrtModel->load();
+		$this->terminateWithSuccess(hasData($orte) ? getData($orte) : []);
+	}
+
+	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);
+		$first_run = $this->_ci->input->post('first_run', TRUE) ?? true;
+		$result = $this->_ci->kalenderlib->addKalenderEvent($start_date, $end_date, $lehreinheit_id, $ort_kurzbz, $first_run);
+
+		if (isError($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 +1,239 @@
+<?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, $stg_berechtigungen);
+		});
+
+
+		usort($gefilterte_gruppen, function ($a, $b)
+		{
+			return [(int) $a->semester, $a->gruppe_kurzbz] <=> [(int) $b->semester, $b->gruppe_kurzbz];
+		});
+
+		$this->terminateWithSuccess($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 +1,104 @@
+<?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');
+	$this->load->model('ressource/KalenderNotiz_model', 'KalenderNotizModel');
+	}
+
+	public function getTag($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)
+	{
+		$language = $this->_getLanguageIndex();
+		$index_bezeichnung_mehrsprachig = $language - 1;
+
+		$this->KalenderNotizModel->addSelect(
+			'tbl_kalender_notiz.notiz_id as id,
+			typ_kurzbz,
+			array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $index_bezeichnung_mehrsprachig. ' as beschreibung,
+			text as notiz,
+			style,
+			tbl_notiz.erledigt as done,
+			tag,
+			prioritaet,
+			eindeutige_kalender_gruppen_id
+			'
+		);
+
+		$this->KalenderNotizModel->addJoin('public.tbl_notiz', 'tbl_kalender_notiz.notiz_id = public.tbl_notiz.notiz_id');
+		$this->KalenderNotizModel->addJoin('public.tbl_notiz_typ', 'public.tbl_notiz.typ = public.tbl_notiz_typ.typ_kurzbz');
+
+		$this->KalenderNotizModel->addOrder('prioritaet');
+
+		$notiztypen = $this->KalenderNotizModel->loadWhere(array('aktiv' => true, 'eindeutige_kalender_gruppen_id' => $eindeutige_kalender_gruppen_id));
+		$this->terminateWithSuccess(hasData($notiztypen) ? getData($notiztypen) : array());
+	}
+
+	public function addTag($withZuordnung = true, $updatable_tags = null)
+	{
+		$postData = $this->getPostJson();
+
+		$return = array();
+		foreach ($postData->values as $value)
+		{
+			$insertResult = parent::addTag(false, $this->config->item('tempus_tags'));
+
+			$insertZuordnung = $this->KalenderNotizModel->insert(array(
+				'eindeutige_kalender_gruppen_id' => $value,
+				'notiz_id' => $insertResult,
+			));
+
+			if (isError($insertZuordnung))
+				$this->terminateWithError('Error occurred', self::ERROR_TYPE_GENERAL);
+			$return[] = ['eindeutige_kalender_gruppen_id' => $value, 'id' => $insertResult];
+		}
+		$this->terminateWithSuccess($return);
+	}
+
+	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'));
+	}
+
+	public function _getLanguageIndex()
+	{
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+		$this->SpracheModel->addSelect('index');
+		$result = $this->SpracheModel->loadWhere(array('sprache' => getUserLanguage()));
+
+		return hasData($result) ? getData($result)[0]->index : 1;
+	}
+}

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 +1,886 @@
+<?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');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	/**
+	 * Everything has a beginning
+	 */
+	public function refreshTablesAndFullMigrateOfStundenplanReservierung($von, $bis = null, $studiengang_kz = null, $ort_kurzbz = null)
+	{
+		if (defined('CI_ENVIRONMENT') && CI_ENVIRONMENT === 'production')
+		{
+			echo "This script is not allowed to run in production environment.\n";
+			return;
+		}
+
+		echo "Refreshing calendar related tables...\n";
+		$this->resetBeforeNewStundenplanReservierungImport();
+		echo "Calendar related tables refreshed successfully.\n\n";
+
+		echo "Starting full migration of Stundenplan and Reservierung from $von to " . ($bis ?? '2100-12-31') . "...\n";
+		$this->fullMigrateOfStundenplanReservierung($von, $bis, $studiengang_kz, $ort_kurzbz);
+		echo "Full migration of Stundenplan and Reservierung completed successfully.\n";
+	}
+
+	public function fullMigrateOfStundenplanReservierung($von, $bis = null, $studiengang_kz = null, $ort_kurzbz = null)
+	{
+		echo "Starting migration of Stundenplan from $von to " . ($bis ?? '2100-12-31') . "...\n";
+		$this->migrateStundenplan($von, $bis, $studiengang_kz);
+		echo "Stundenplan migration completed successfully.\n\n";
+
+		echo "Starting migration of Reservierung from $von to " . ($bis ?? '2100-12-31') . "...\n";
+		$this->migrateReservierung($von, $bis, $ort_kurzbz);
+		echo "Reservierung migration completed successfully.\n\n";
+
+		echo "Starting migration of Stundenplan Betriebsmittel entries...\n";
+		$this->migrateStundenplanBetriebsmittelEntries();
+		echo "Stundenplan Betriebsmittel entries migration completed successfully.\n\n";
+
+		echo "Starting to add title values as tags to calendar entries...\n";
+		$this->addTitleValuesAsTagsToKalenderEntries();
+		echo "Adding title values as tags to calendar entries completed successfully.\n\n";
+	}
+
+	public function migrateStundenplan($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);
+	}
+
+	public function addTitleValuesAsTagsToKalenderEntries() {
+		$dbModel = new DB_Model();
+
+		
+		$query = "SELECT 
+				k.eindeutige_kalender_gruppen_id,
+				ARRAY_AGG(DISTINCT(spd.titel) ORDER BY spd.titel) AS titel,
+				MAX(spd.updateamum) AS updateamum
+			FROM lehre.tbl_stundenplandev spd
+			JOIN sync.tbl_stundenplandev_kalender spdk ON spd.stundenplandev_id = spdk.stundenplandev_id
+			JOIN lehre.tbl_kalender k ON k.kalender_id = spdk.kalender_id
+			WHERE k.typ = 'lehreinheit' AND k.eindeutige_kalender_gruppen_id IS NOT NULL AND spd.titel IS NOT NULL
+			GROUP BY k.eindeutige_kalender_gruppen_id";
+
+		$result = $dbModel->execReadOnlyQuery($query);
+
+		if (isError($result)) {
+			error("Error while fetching title values for adding as tags: " . getError($result));
+			return;
+		}
+		if (!hasData($result)) {
+			error("No title values found for adding as tags.");
+			return;
+		}
+
+		$data = getData($result);
+
+		foreach($data as $block) {
+			$eindeutige_kalender_gruppen_id = $block->eindeutige_kalender_gruppen_id;
+			$notizText = implode(' - ', array_filter($block->titel, function($titel) {
+				return !empty(trim($titel));
+			}));
+
+			if (!empty($notizText)) {
+				$this->addTag($eindeutige_kalender_gruppen_id, $notizText, $block->updateamum);
+			}
+		}
+	}
+
+	private function resetBeforeNewStundenplanReservierungImport()
+	{
+		if (defined('CI_ENVIRONMENT') && CI_ENVIRONMENT === 'production')
+		{
+			echo "This script is not allowed to run in production environment.\n";
+			return;
+		}
+
+		$db = new DB_Model();
+
+		$db->db->trans_start();
+
+		$db->db->query('DELETE FROM sync.tbl_stundenplandev_kalender');
+		$db->db->query('DELETE FROM sync.tbl_reservierung_kalender');
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender_event_teilnehmer
+			WHERE kalender_id IN (
+				SELECT kalender_id
+				FROM lehre.tbl_kalender
+				WHERE typ = 'reservierung'
+			)");
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender_event
+			WHERE kalender_id IN (
+				SELECT kalender_id
+				FROM lehre.tbl_kalender
+				WHERE typ = 'reservierung'
+			)");
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender_lehreinheit
+			WHERE kalender_id IN (
+				SELECT kalender_id
+				FROM lehre.tbl_kalender
+				WHERE typ = 'lehreinheit' OR typ = 'reservierung'
+			)");
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender_ort
+			WHERE kalender_id IN (
+				SELECT kalender_id
+				FROM lehre.tbl_kalender
+				WHERE typ IN ('lehreinheit', 'reservierung')
+			)");
+
+		$db->db->query("DELETE FROM public.tbl_notiz
+			WHERE notiz_id IN (
+				SELECT notiz_id
+				FROM lehre.tbl_kalender_notiz
+				WHERE eindeutige_kalender_gruppen_id IN (
+					SELECT eindeutige_kalender_gruppen_id
+					FROM lehre.tbl_kalender
+				)
+			)");
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender_notiz
+			WHERE eindeutige_kalender_gruppen_id IN (
+				SELECT eindeutige_kalender_gruppen_id
+				FROM lehre.tbl_kalender
+			)");
+		
+		$db->db->query("DELETE FROM lehre.tbl_betriebsmittel_kalender
+			WHERE eindeutige_kalender_gruppen_id IN (
+				SELECT eindeutige_kalender_gruppen_id
+				FROM lehre.tbl_kalender
+			)");
+
+		$db->db->query("DELETE FROM lehre.tbl_kalender
+			WHERE typ IN ('lehreinheit', 'reservierung')");
+
+		$db->db->trans_complete();
+
+		if ($db->db->trans_status() === false)
+			return error('Reset before new import failed');
+
+		return success('Migration data reset successfully');
+	}
+
+	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' => $kalender_id
+				),
+				array (
+					'lastupdate' => date('Y-m-d H:i:s')
+				)
+			);
+		}
+	}
+
+	private function addTag($eindeutige_kalender_gruppen_id, $notizText, $lastUpdatedInOldSystem): bool
+	{
+		$notizType = 'hinweis';
+		$insertvonMockUser = 'oldToNewTempusMigration';
+		
+		if (is_null($eindeutige_kalender_gruppen_id) || empty($eindeutige_kalender_gruppen_id)) {
+			var_dump("Error: eindeutige_kalender_gruppen_id is null or empty.");
+			return false;
+		}
+
+		$this->load->model('person/Notiz_model', 'NotizModel');
+		$this->load->model('system/Notiztyp_model', 'NotiztypModel');
+		$this->load->model('ressource/KalenderNotiz_model', 'KalenderNotizModel');
+
+		$checkTyp = $this->NotiztypModel->loadWhere(array('typ_kurzbz' => $notizType));
+
+		if (isError($checkTyp))
+		{
+			error("Error occurred while checking Notiztyp: " . $checkTyp->message);
+			return false;
+		}
+
+		if (!hasData($checkTyp))
+		{
+			error("Notiztyp 'hinweis' does not exist. Please create it before adding tags.");
+			return false;
+		}
+		 
+
+		$this->KalenderNotizModel->addJoin('tbl_notiz', 'tbl_notiz.notiz_id = tbl_kalender_notiz.notiz_id', 'LEFT');
+		$this->KalenderNotizModel->db->where('tbl_notiz.typ', $notizType);
+		$this->KalenderNotizModel->db->where('tbl_notiz.insertvon', $insertvonMockUser);
+		$oldKalenderNotiz = $this->KalenderNotizModel->loadWhere(array('eindeutige_kalender_gruppen_id' => $eindeutige_kalender_gruppen_id));
+		if (isError($oldKalenderNotiz))
+		{
+			error("Error occurred while checking KalenderNotiz: " . $oldKalenderNotiz->message);
+			return false;
+		}
+		if (hasData($oldKalenderNotiz))
+		{
+			return $this->updateTag($eindeutige_kalender_gruppen_id, $notizText, $lastUpdatedInOldSystem);
+		}
+
+		
+		$insertResult = $this->NotizModel->insert(array(
+			'titel' => 'TAG',
+			'text' => $notizText,
+			'verfasser_uid' => null,
+			'erledigt' => false,
+			'insertamum' => date('Y-m-d H:i:s'),
+			'insertvon' => $insertvonMockUser,
+			'typ' => $notizType
+		));
+
+		if (isError($insertResult))
+		{
+			error("Error occurred while inserting Notiz: " . $insertResult->message);
+			return false;
+		}
+
+		$insertKalenderNotiz = $this->KalenderNotizModel->insert(array(
+			'notiz_id' => $insertResult->retval,
+			'eindeutige_kalender_gruppen_id' => $eindeutige_kalender_gruppen_id
+		));
+
+		if (isError($insertKalenderNotiz)) 
+		{
+			error("Error occurred while inserting KalenderNotiz: " . $insertKalenderNotiz->message);
+			return false;
+		}
+
+		return true;
+	}
+
+	private function updateTag($eindeutige_kalender_gruppen_id, $notizText, $lastUpdatedInOldSystem)
+	{
+		$notizType = 'hinweis';
+		$insertvonMockUser = 'oldToNewTempusMigration';
+		
+		$this->KalenderNotizModel->addJoin('tbl_notiz', 'tbl_notiz.notiz_id = tbl_kalender_notiz.notiz_id', 'LEFT');
+		$this->KalenderNotizModel->db->where('tbl_notiz.typ', $notizType);
+		$this->KalenderNotizModel->db->where('tbl_notiz.insertvon', $insertvonMockUser);
+		$kalenderNotizRes = $this->KalenderNotizModel->loadWhere(array('eindeutige_kalender_gruppen_id' => $eindeutige_kalender_gruppen_id));
+		if (isError($kalenderNotizRes))
+		{
+			error("Error occurred while loading KalenderNotiz: " . $kalenderNotizRes->message);
+			return false;
+		}
+
+
+		$tag = $this->NotizModel->loadWhere(array('notiz_id' => $kalenderNotizRes->retval[0]->notiz_id));
+		if (isError($tag))
+		{
+			error("Error occurred while loading Notiz: " . $tag->message);
+			return false;
+		}
+
+		if (!hasData($tag))
+		{
+			error("Error occurred while loading KalenderNotiz: " . $tag->message);
+			return false;
+		}
+
+		$adjustedLastUpdatedInOldSystem = date('Y-m-d H:i:s', strtotime($lastUpdatedInOldSystem) + 5);
+		if ($tag->retval[0]->updateamum >= $adjustedLastUpdatedInOldSystem)
+		{
+			return true;
+		}
+
+		$updateData = $this->NotizModel->update(array('notiz_id' => $tag->retval[0]->notiz_id),
+			array('text' => $notizText,
+				'updateamum' => date('Y-m-d H:i:s'),
+				'updatevon' => $insertvonMockUser,
+				'bearbeiter_uid' => null,
+			)
+		);
+		if (isError($updateData))
+		{
+			error("Error occurred while updating Notiz: " . $updateData->message);
+			return false;
+		}
+
+		return true;
+	}
+}

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

@@ -34,7 +34,7 @@ class Tag_Controller extends FHCAPI_Controller
 		$this->load->model('person/Notiz_model', 'NotizModel');
 		$this->load->model('system/Notiztyp_model', 'NotiztypModel');
 		$this->load->model('person/Notizzuordnung_model', 'NotizzuordnungModel');
-
+		
 		$this->loadPhrases([
 			'ui'
 		]);
@@ -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))
@@ -143,7 +142,7 @@ 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 +151,7 @@ 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/libraries/CollisionChecker.php

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

application/libraries/KalenderNotificationLib.php

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

application/libraries/KalenderSyncLib.php

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

application/libraries/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/SearchBarLib.php

@@ -33,7 +33,7 @@ class SearchBarLib
 	const ERROR_NOT_AUTH = 'ERR005';
 
 	// List of allowed types of search
-	const ALLOWED_TYPES = ['mitarbeiter', 'mitarbeiter_ohne_zuordnung', 'organisationunit', 'raum', 'person', 'student','studentStv', 'prestudent', 'document', 'cms'];
+	const ALLOWED_TYPES = ['mitarbeiter', 'mitarbeiter_ohne_zuordnung', 'organisationunit', 'raum', 'person', 'student','studentStv', 'prestudent', 'document', 'cms', 'lehreinheit', 'lehrveranstaltung'];
 
 	const PHOTO_IMG_URL = '/cis/public/bild.php?src=person&person_id=';
 
@@ -180,10 +180,14 @@ class SearchBarLib
 	protected function buildSearchClause(DB_Model $dbModel, array $columns, $searchstr)
 	{
 		$searchstr = preg_replace('/[[:punct:]]/', ' ', $searchstr);
+		$words = preg_split('/\s+/', trim($searchstr), -1, PREG_SPLIT_NO_EMPTY);
+
+		if (empty($words)) return array();
+
 		$document			 = implode(' || \' \' || ', $columns);
-		$query				 = '\'' . implode(':* & ', explode(' ', trim($searchstr))) . ':*\'';
-		$reversequery		 = '\'*:' . implode(' & *:', explode(' ', trim($searchstr))) . '\'';
-		$nospacequery		 = '\'' . implode('', explode(' ', trim($searchstr))) . ':*\'';
+		$query				 = '\'' . implode(':* & ', $words) . ':*\'';
+		$reversequery		 = '\'*:' . implode(' & *:', $words) . '\'';
+		$nospacequery		 = '\'' . implode('', $words) . ':*\'';
 
 		$searchclause = <<<EOSC
 			to_tsvector(lower(regexp_replace({$document}, '[[:punct:]]', ' ', 'g'))) @@ to_tsquery(lower({$query}))
@@ -596,5 +600,98 @@ EOSC;
 		// Otherwise return an empty array
 		return array();
 	}
+
+
+	private function _lehreinheit($searchstr, $type)
+	{
+		$dbModel = new DB_Model();
+
+		$idwhere = '';
+		if (ctype_digit(trim($searchstr)))
+		{
+			$id = (int)trim($searchstr);
+			$idwhere = ' OR le.lehreinheit_id = ' . $id;
+		}
+
+		$lehreinheit = $dbModel->execReadOnlyQuery('
+			SELECT
+				\'teachingunit\' AS renderer,
+				\''.$type.'\' AS type,
+				le.lehreinheit_id AS id,
+				le.studiensemester_kurzbz,
+				lv.bezeichnung,
+				\'lv_table_icon icon-\' AS foto,
+				UPPER(stg.typ || stg.kurzbz) AS studiengang,
+				le.lehrform_kurzbz,
+				lv.semester
+			FROM lehre.tbl_lehreinheit le
+				JOIN lehre.tbl_lehrveranstaltung lv ON (lv.lehrveranstaltung_id = le.lehrveranstaltung_id)
+				JOIN public.tbl_studiengang stg ON (stg.studiengang_kz = lv.studiengang_kz)
+				JOIN public.tbl_studiensemester sem ON (sem.studiensemester_kurzbz = le.studiensemester_kurzbz)
+			WHERE (' .
+				$this->buildSearchClause(
+					$dbModel,
+					array(
+						'(stg.typ || stg.kurzbz)',
+						'lv.semester',
+						'lv.bezeichnung'
+					),
+					$searchstr
+				) . ')' . $idwhere . '
+	');
+
+		// If something has been found then return it
+		if (hasData($lehreinheit)) return getData($lehreinheit);
+
+		// Otherwise return an empty array
+		return array();
+	}
+
+	private function _lehrveranstaltung($searchstr, $type)
+	{
+		$dbModel = new DB_Model();
+
+		$idwhere = '';
+
+		if (ctype_digit(trim($searchstr)))
+		{
+			$id = (int)trim($searchstr);
+			$idwhere = ' OR tbl_lehrveranstaltung.lehrveranstaltung_id = ' . $id;
+		}
+
+		$lehreinheit = $dbModel->execReadOnlyQuery('
+			
+			SELECT
+				\'teachingunit\' AS renderer,
+				\''.$type.'\' AS type,
+				lehrveranstaltung_id as id,
+				tbl_lehrveranstaltung.bezeichnung,
+				\'lv_table_icon icon-lv\' as foto,
+				UPPER(tbl_studiengang.typ::varchar(1) || tbl_studiengang.kurzbz) as studiengang,
+				semester,
+				lehrform_kurzbz,
+				tbl_organisationseinheit.bezeichnung as oe_bezeichnung
+			FROM lehre.tbl_lehrveranstaltung
+				JOIN public.tbl_studiengang USING(studiengang_kz)
+				JOIN public.tbl_organisationseinheit ON tbl_lehrveranstaltung.oe_kurzbz = tbl_organisationseinheit.oe_kurzbz
+			WHERE (' .
+				$this->buildSearchClause(
+					$dbModel,
+					array(
+						'(tbl_studiengang.typ || tbl_studiengang.kurzbz)',
+						'semester',
+						'tbl_lehrveranstaltung.bezeichnung'
+					),
+					$searchstr
+				) . ')' . $idwhere . '
+		');
+
+		// If something has been found then return it
+		if (hasData($lehreinheit)) return getData($lehreinheit);
+
+		// Otherwise return an empty array
+		return array();
+	}
+
 }
 

application/libraries/collision/checks/LectureCollisionCheck.php

@@ -0,0 +1,308 @@
+<?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('tbl_kalender.kalender_id, current_lehreinheit_ma.mitarbeiter_uid');
+		$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][] = [
+					'message' => $this->_ci->phraseslib->t('ui', 'ma_le_kollision') . ': ' . $row->mitarbeiter_uid,
+				];
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id, current_lehreinheit_ma.mitarbeiter_uid');
+		$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][] = [
+					'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->mitarbeiter_uid,
+				];
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id, z.mitarbeiter_uid');
+		$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][] = [
+					'message' => $this->_ci->phraseslib->t('ui', 'ma_zeitsperre_kollision') . ': ' . $row->mitarbeiter_uid,
+				];
+			}
+		}
+
+		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 +1,92 @@
+<?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('tbl_kalender.kalender_id, current_ort.ort_kurzbz');
+		$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][] = [
+				'message' => $this->_ci->phraseslib->t('ui', 'raum_kollision') . ': ' . $row->ort_kurzbz
+			];
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/StudentCollisionCheck.php

@@ -0,0 +1,288 @@
+<?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][] = [
+				'message' => $this->_ci->phraseslib->t('ui', 'student_kollision') . ': ' . $row->uid
+			];
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/VerbandCollisionCheck.php

@@ -0,0 +1,421 @@
+<?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,
+				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 (
+				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
+	
+			LEFT JOIN public.tbl_studiengang stg
+				ON stg.studiengang_kz = other_lehreinheitguppe.studiengang_kz
+			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][] = ['message' => $this->_ci->phraseslib->t('ui', 'verband_kollision') . ': ' . $row->gruppenname];
+		}
+
+		return $grouped;
+	}
+
+}

application/libraries/treemenu/LvVwLib.php

@@ -159,8 +159,6 @@ class LvVwLib
 		if (!$stg->mischform)
 			return [];
 		
-		$this->_ci->StudiengangModel->db->select('TRUE AS leaf', false);
-
 		return $this->_ci->stglib->orgform($path_template, $stg->studiengang_kz);
 	}
 

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

@@ -340,6 +340,20 @@ EOSQL;
 	}
 
 
+	public function getByLeStudiensemester($lehreinheit_id, $studiensemester_kurzbz)
+	{
+		$qry = "WITH lehreinheiten AS (
+				SELECT *
+				FROM lehre.tbl_lehreinheit
+				WHERE lehreinheit_id = ?
+					AND studiensemester_kurzbz = ?
+			)," . $this->_getLeCTE();
+
+		$params = array($lehreinheit_id, $studiensemester_kurzbz);
+
+		return $this->execReadOnlyQuery($qry, $params);
+
+	}
 	public function getByLvidStudiensemester($lv_id, $studiensemester_kurzbz, $mitarbeiter_uid = null, $fachbereich_kurzbz = null)
 	{
 		$qry = "WITH lehreinheiten AS (
@@ -347,35 +361,7 @@ EOSQL;
 				FROM lehre.tbl_lehreinheit
 				WHERE lehrveranstaltung_id = ?
 					AND studiensemester_kurzbz = ?
-			),
-				". $this->_getGruppenCTE() . ", 
-				". $this->_getLektorenCTE() . ", 
-				". $this->_getFachbereichCTE() . ",
-				". $this->_getTagsCTE() . "
-				
-				SELECT lehreinheiten.*,
-						lehreinheiten.lehrform_kurzbz as lv_lehrform_kurzbz,
-						tbl_lehrveranstaltung.kurzbz as lv_kurzbz,
-						tbl_lehrveranstaltung.bezeichnung as lv_bezeichnung,
-						COALESCE(tag_data_agg.tags, '[]'::json) AS tags,
-						gruppen.gruppen,
-						mitarbeiter.lektoren,
-						mitarbeiter.le_planstunden,
-						mitarbeiter.vorname,
-						mitarbeiter.nachname,
-						mitarbeiter.semesterstunden,
-						fachbereich.bezeichnung as fachbereich,
-						UPPER(CONCAT(tbl_studiengang.typ,tbl_studiengang.kurzbz)) as studiengang,
-						semester
-				FROM lehreinheiten
-					LEFT JOIN lehre.tbl_lehrveranstaltung ON tbl_lehrveranstaltung.lehrveranstaltung_id = lehreinheiten.lehrfach_id
-					LEFT JOIN public.tbl_studiengang USING(studiengang_kz)
-					LEFT JOIN tag_data_agg ON tag_data_agg.lehreinheit_id = lehreinheiten.lehreinheit_id
-					LEFT JOIN mitarbeiter ON lehreinheiten.lehreinheit_id = mitarbeiter.lehreinheit_id
-					LEFT JOIN fachbereich ON lehreinheiten.lehreinheit_id = fachbereich.lehreinheit_id
-					LEFT JOIN gruppen ON lehreinheiten.lehreinheit_id = gruppen.lehreinheit_id
-				WHERE true 
-				";
+			)," . $this->_getLeCTE();
 
 		$params = array($lv_id, $studiensemester_kurzbz);
 
@@ -395,9 +381,83 @@ EOSQL;
 		return $this->execReadOnlyQuery($qry, $params);
 	}
 
-	private function getLVTmp($stg_kz = null)
+	public function getOffeneStunden($lehreinheit_ids)
 	{
-		$qry = "SELECT DISTINCT ON(lehrveranstaltung_id) *, 
+		if (!is_array($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, $lehreinheit_ids));
+	}
+
+	private function getLVTmp()
+	{
+		return "SELECT DISTINCT ON(lehrveranstaltung_id) *, 
 						'' as stundenblockung,
 						'' as lehreinheit_id,
 						'' as wochenrythmus,
@@ -408,24 +468,33 @@ EOSQL;
 						'' as studienplan_beeichnung, 
 						UPPER(CONCAT(vw_lehreinheit.stg_typ, vw_lehreinheit.stg_kurzbz)) as studiengang
                 FROM campus.vw_lehreinheit
-				WHERE mitarbeiter_uid = ?
-				  AND studiensemester_kurzbz = ?";
-
-		if (!is_null($stg_kz)) {
-			$qry .= " AND lv_studiengang_kz = ?";
-		}
-
-		return $qry;
+				WHERE studiensemester_kurzbz = ? ";
 	}
 
-	public function getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $stg_kz = null)
+	public function getLvsById($lehrveranstaltung_id, $studiensemester_kurzbz)
 	{
-		$qry = "WITH lvs AS (" . $this->getLVTmp($stg_kz) . ")
+		$where = ' AND lehrveranstaltung_id = ?';
+		$qry = "WITH lvs AS (" . $this->getLVTmp() . $where .")
 				SELECT lvs.*
 				FROM lvs
-				";
+			";
+
+		$params = array($studiensemester_kurzbz, $lehrveranstaltung_id);
+		return $this->execReadOnlyQuery($qry, $params);
+	}
+	public function getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $stg_kz = null)
+	{
+		$where = ' AND mitarbeiter_uid = ?';
+
+		if ($stg_kz != null)
+			$where .= " AND lv_studiengang_kz = ?";
+
+		$qry = "WITH lvs AS (" . $this->getLVTmp() . $where .")
+				SELECT lvs.*
+				FROM lvs";
+
+		$params = array($studiensemester_kurzbz, $mitarbeiter_uid);
 
-		$params = array($mitarbeiter_uid, $studiensemester_kurzbz);
 		if (!is_null($stg_kz))
 		{
 			$params[] = $stg_kz;
@@ -632,6 +701,36 @@ EOSQL;
 		return success('Contract successfully updated.');
 	}
 
+	private function _getLeCTE()
+	{
+		return $this->_getGruppenCTE() . ",
+				". $this->_getLektorenCTE() . ",
+				". $this->_getFachbereichCTE() . ",
+				". $this->_getTagsCTE() . "
+
+				SELECT lehreinheiten.*,
+						lehreinheiten.lehrform_kurzbz as lv_lehrform_kurzbz,
+						tbl_lehrveranstaltung.kurzbz as lv_kurzbz,
+						tbl_lehrveranstaltung.bezeichnung as lv_bezeichnung,
+						COALESCE(tag_data_agg.tags, '[]'::json) AS tags,
+						gruppen.gruppen,
+						mitarbeiter.lektoren,
+						mitarbeiter.le_planstunden,
+						mitarbeiter.vorname,
+						mitarbeiter.nachname,
+						mitarbeiter.semesterstunden,
+						fachbereich.bezeichnung as fachbereich,
+						UPPER(CONCAT(tbl_studiengang.typ,tbl_studiengang.kurzbz)) as studiengang,
+						semester
+				FROM lehreinheiten
+					LEFT JOIN lehre.tbl_lehrveranstaltung ON tbl_lehrveranstaltung.lehrveranstaltung_id = lehreinheiten.lehrfach_id
+					LEFT JOIN public.tbl_studiengang USING(studiengang_kz)
+					LEFT JOIN tag_data_agg ON tag_data_agg.lehreinheit_id = lehreinheiten.lehreinheit_id
+					LEFT JOIN mitarbeiter ON lehreinheiten.lehreinheit_id = mitarbeiter.lehreinheit_id
+					LEFT JOIN fachbereich ON lehreinheiten.lehreinheit_id = fachbereich.lehreinheit_id
+					LEFT JOIN gruppen ON lehreinheiten.lehreinheit_id = gruppen.lehreinheit_id
+				WHERE true";
+	}
 	private function _getGruppenCTE()
 	{
 		return "gruppen AS (

application/models/education/Studentlehrverband_model.php

@@ -14,4 +14,101 @@ class Studentlehrverband_model extends DB_Model
 
 		$this->load->model('crm/prestudentstatus_model', 'PrestudentstatusModel');
 	}
+
+	public function getAnzahl($studiengang_kz, $semester, $verband, $gruppe, $gruppe_kurzbz, $studiensemester_kurzbz, $lehreinheit_id, $mitschwund)
+	{
+
+		if ($semester === '')
+			return null;
+
+		$params = array();
+
+		if (is_null($gruppe_kurzbz))
+		{
+			$qry = "SELECT COUNT(*) as anzahl 
+					FROM public.tbl_studentlehrverband
+					WHERE studiensemester_kurzbz = ?
+						AND studiengang_kz = ?
+						AND semester = ?
+			";
+			$params = array($studiensemester_kurzbz, $studiengang_kz, $semester);
+
+			if (trim($verband) !== '')
+			{
+				$qry .= " AND trim(verband) = trim(?)";
+				$params[] = $verband;
+			}
+
+			if (trim($gruppe) !== '')
+			{
+				$qry .= " AND trim(gruppe) = trim(?)";
+				$params[] = $gruppe;
+			}
+
+			if ($mitschwund)
+			{
+				$qry .= " AND NOT EXISTS (
+							SELECT 1 FROM lehre.tbl_zeugnisnote
+							WHERE student_uid = tbl_studentlehrverband.student_uid
+								AND lehrveranstaltung_id = (
+									SELECT lehrveranstaltung_id
+									FROM lehre.tbl_lehreinheit
+									WHERE lehreinheit_id = ?
+								)
+							AND studiensemester_kurzbz = ?
+							AND note IN (" . $this->_getNichtzugelasseneNoten() . "))";
+				$params[] = $lehreinheit_id;
+				$params[] = $studiensemester_kurzbz;
+
+				$qry .= " AND get_rolle_prestudent(
+							(SELECT prestudent_id FROM public.tbl_student WHERE student_uid = tbl_studentlehrverband.student_uid), null) NOT IN ('Abbrecher', 'Unterbrecher')";
+			}
+		}
+		else
+		{
+			$qry = "SELECT COUNT(*) as anzahl
+					FROM public.tbl_benutzergruppe
+					WHERE studiensemester_kurzbz = ?
+						AND gruppe_kurzbz = ?";
+
+			$params = array($studiensemester_kurzbz, $gruppe_kurzbz);
+
+			if ($mitschwund)
+			{
+				$qry .= " AND NOT EXISTS(
+							SELECT 1 FROM lehre.tbl_zeugnisnote
+							WHERE student_uid = tbl_benutzergruppe.uid
+							AND lehrveranstaltung_id = (
+								SELECT lehrveranstaltung_id FROM lehre.tbl_lehreinheit
+								WHERE lehreinheit_id = ?
+							)
+							AND studiensemester_kurzbz = ?
+							AND note IN (" . $this->_getNichtzugelasseneNoten() . "))";
+
+				$params[] = $lehreinheit_id;
+				$params[] = $studiensemester_kurzbz;
+
+				$qry .= " AND get_rolle_prestudent(
+							(SELECT prestudent_id FROM public.tbl_student WHERE student_uid = tbl_benutzergruppe.uid), null) NOT IN ('Abbrecher', 'Unterbrecher')";
+			}
+		}
+
+		$result = $this->execReadOnlyQuery($qry, $params);
+
+		if (isError($result))
+			return error($result);
+
+		return hasData($result) ? getData($result)[0]->anzahl : 0;
+	}
+
+	private function _getNichtzugelasseneNoten()
+	{
+		if (defined('NICHT_ZUGELASSENE') && NICHT_ZUGELASSENE !== null)
+		{
+			$notenArray = unserialize(NICHT_ZUGELASSENE);
+			return implode(", ", array_map('intval', $notenArray));
+		}
+		return '6';
+	}
+
 }

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/organisation/Studiensemester_model.php

@@ -292,13 +292,29 @@ class Studiensemester_model extends DB_Model
 				COALESCE(
 					(SELECT studiensemester_kurzbz FROM semester_interval_startdate),
 					(SELECT studiensemester_kurzbz FROM nearest_semester_interval_startdate)
-				) AS studiensemester_kurzbz
+				) AS studiensemester_kurzbz,
+				COALESCE(
+					(SELECT start FROM semester_interval_startdate),
+					(SELECT start FROM nearest_semester_interval_startdate)
+				) as start,
+				COALESCE(
+					(SELECT ende FROM semester_interval_startdate),
+					(SELECT ende FROM nearest_semester_interval_startdate)
+				) as ende
 			UNION
 			SELECT
 				COALESCE(
 					(SELECT studiensemester_kurzbz FROM semester_interval_enddate),
 					(SELECT studiensemester_kurzbz FROM nearest_semester_interval_enddate)
-				) AS studiensemester_kurzbz
+				) AS studiensemester_kurzbz,
+				COALESCE(
+					(SELECT start FROM semester_interval_enddate),
+					(SELECT start FROM nearest_semester_interval_enddate)
+				) as start,
+				COALESCE(
+					(SELECT ende FROM semester_interval_enddate),
+					(SELECT ende FROM nearest_semester_interval_enddate)
+				) as ende
 
 EOSQL;
 

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/KalenderNotiz_model.php

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

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/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/templates/CISVUE-Header.php

@@ -21,6 +21,7 @@ $this->load->view('templates/FHC-Header', $includesArray);
 ?>
 
 <script type="text/javascript">
+	document.body.classList.add("cis4");
 	if (window.self !== window.top)
 		document.body.classList.add("in-frame");
 </script>

include/entwicklungsteam.class.php

@@ -21,6 +21,7 @@
  *          Manuela Thamer <[email protected]>
  */
 require_once(dirname(__FILE__).'/basis_db.class.php');
+require_once(dirname(__FILE__).'/mitarbeiter.class.php');
 
 class entwicklungsteam extends basis_db
 {
@@ -43,7 +44,6 @@ class entwicklungsteam extends basis_db
 	public $ext_id;
 
 	public $besqual;
-	public $studiengang_kz_old;
 
 	/**
 	 * Konstruktor
@@ -74,7 +74,7 @@ class entwicklungsteam extends basis_db
 		$qry = "SELECT * FROM bis.tbl_entwicklungsteam JOIN bis.tbl_besqual USING(besqualcode)
 				WHERE entwicklungsteam_id=".$this->db_add_param($entwicklungsteam_id);
 
-				$qry.=";";
+		$qry.=";";
 
 		if($this->db_query($qry))
 		{
@@ -147,6 +147,11 @@ class entwicklungsteam extends basis_db
 			$this->errormsg = 'Es muss ein Mitarbeiter angegeben werden';
 			return false;
 		}
+		if(!$this->checkIfExistingUid($this->mitarbeiter_uid))
+		{
+			$this->errormsg = 'Bitte einen Eintrag aus dem Dropdown Personensuche auswählen!';
+			return false;
+		}
 		if($this->studiengang_kz=='')
 		{
 			$this->errormsg = 'Es muss ein Studiengang angegeben werden';
@@ -162,6 +167,26 @@ class entwicklungsteam extends basis_db
 			$this->errormsg = 'Endedatum darf nicht vor Anfangsdatum liegen';
 			return false;
 		}
+
+		if($this->beginn != '')
+		{
+			$beginnParts = explode('-', $this->beginn);
+			if (!checkdate((int)$beginnParts[1], (int)$beginnParts[2], (int)$beginnParts[0])) {
+				$this->errormsg = 'Anfangsdatum ist ungültig';
+				return false;
+			}
+		}
+
+		if($this->ende != '')
+		{
+			$endeParts = explode('-', $this->ende);
+			if (!checkdate((int)$endeParts[1], (int)$endeParts[2], (int)$endeParts[0]))
+			{
+				$this->errormsg = 'Endedatum ist ungültig';
+				return false;
+			}
+		}
+
 		return true;
 	}
 
@@ -183,30 +208,28 @@ class entwicklungsteam extends basis_db
 			//Neuen Datensatz anlegen
 			$qry = "INSERT INTO bis.tbl_entwicklungsteam (mitarbeiter_uid, studiengang_kz, besqualcode, beginn, ende,
 					updateamum, updatevon, insertamum, insertvon) VALUES (".
-			       $this->db_add_param($this->mitarbeiter_uid).', '.
-			       $this->db_add_param($this->studiengang_kz, FHC_INTEGER).', '.
-			       $this->db_add_param($this->besqualcode, FHC_INTEGER).', '.
-			       $this->db_add_param($this->beginn).', '.
-			       $this->db_add_param($this->ende).', '.
-			       $this->db_add_param($this->updateamum).', '.
-			       $this->db_add_param($this->updatevon).', '.
-			       $this->db_add_param($this->insertamum).', '.
-			       $this->db_add_param($this->insertvon).');';
+				$this->db_add_param($this->mitarbeiter_uid).', '.
+				$this->db_add_param($this->studiengang_kz, FHC_INTEGER).', '.
+				$this->db_add_param($this->besqualcode, FHC_INTEGER).', '.
+				$this->db_add_param($this->beginn).', '.
+				$this->db_add_param($this->ende).', '.
+				$this->db_add_param($this->updateamum).', '.
+				$this->db_add_param($this->updatevon).', '.
+				$this->db_add_param($this->insertamum).', '.
+				$this->db_add_param($this->insertvon).');';
 		}
 		else
 		{
-			if($this->studiengang_kz_old=='')
-				$this->studiengang_kz_old = $this->studiengang_kz;
-
 			//Bestehenden Datensatz aktualisieren
 			$qry= "UPDATE bis.tbl_entwicklungsteam SET".
-				  " besqualcode=".$this->db_add_param($this->besqualcode, FHC_INTEGER).",".
-				  " beginn=".$this->db_add_param($this->beginn).",".
-				  " studiengang_kz=".$this->db_add_param($this->studiengang_kz, FHC_INTEGER).",".
-				  " ende=".$this->db_add_param($this->ende).",".
-				  " updateamum=".$this->db_add_param($this->updateamum).",".
-				  " updatevon=".$this->db_add_param($this->updatevon).
-				  " WHERE entwicklungsteam_id=".$this->db_add_param($this->entwicklungsteam_id).";";
+				" besqualcode=".$this->db_add_param($this->besqualcode, FHC_INTEGER).",".
+				" beginn=".$this->db_add_param($this->beginn).",".
+				" studiengang_kz=".$this->db_add_param($this->studiengang_kz, FHC_INTEGER).",".
+				" ende=".$this->db_add_param($this->ende).",".
+				" mitarbeiter_uid=".$this->db_add_param($this->mitarbeiter_uid).",".
+				" updateamum=".$this->db_add_param($this->updateamum).",".
+				" updatevon=".$this->db_add_param($this->updatevon).
+				" WHERE entwicklungsteam_id=".$this->db_add_param($this->entwicklungsteam_id).";";
 		}
 
 		if($this->db_query($qry))
@@ -234,7 +257,7 @@ class entwicklungsteam extends basis_db
 		if($studiengang_kz!=null)
 			$qry.=" AND studiengang_kz=".$this->db_add_param($studiengang_kz);
 
-        $qry.=";";
+		$qry.=";";
 
 		if($this->db_query($qry))
 		{
@@ -316,7 +339,7 @@ class entwicklungsteam extends basis_db
 
 		if ($sort != null)
 		{
-				$qry .= " ORDER BY ".$sort;
+			$qry .= " ORDER BY ".$sort;
 		}
 
 		$qry .= ";";
@@ -364,7 +387,7 @@ class entwicklungsteam extends basis_db
 		$bismeldung_jahr = $datetime->format('Y');
 
 		//laden des Datensatzes
-			$qry = "SELECT tbl_entwicklungsteam.*, tbl_besqual.*, tbl_studiengang.studiengang_kz, tbl_studiengang.melderelevant
+		$qry = "SELECT tbl_entwicklungsteam.*, tbl_besqual.*, tbl_studiengang.studiengang_kz, tbl_studiengang.melderelevant
 					FROM bis.tbl_entwicklungsteam
 					JOIN bis.tbl_besqual USING(besqualcode)
 					JOIN public.tbl_studiengang USING(studiengang_kz)
@@ -375,7 +398,7 @@ class entwicklungsteam extends basis_db
 		if($studiengang_kz!=null)
 			$qry.=" AND studiengang_kz=".$this->db_add_param($studiengang_kz);
 
-        $qry.=";";
+		$qry.=";";
 
 		if($this->db_query($qry))
 		{
@@ -407,5 +430,20 @@ class entwicklungsteam extends basis_db
 			return false;
 		}
 	}
+
+	/*
+	 * Überprüft, ob die übergebene Uid in der Tabelle tbl_mitarbeiter vorhanden ist
+	 * @param String $uid UID des Mitarbeiters
+	 * @return true wenn vorhanden, false wenn nicht
+	 */
+	private function checkIfExistingUid($uid)
+	{
+		$mitarbeiter = new mitarbeiter();
+
+		if(!$mitarbeiter->checkIfExistingUid($uid))
+			return false;
+
+		return true;
+	}
 }
 ?>

include/mitarbeiter.class.php

@@ -1995,5 +1995,23 @@ class mitarbeiter extends benutzer
 			return true;
 		}
 	}
+
+	/**
+	 * Prueft ob eine existierende ma_uid übergeben wurde
+	 * @param	String $mitarbeiter_uid mitarbeiter_uid
+	 * @return	bool	True wenn mitarbeiter_uid vorhanden sonst false.
+	 */
+	public function checkIfExistingUid($mitarbeiter_uid)
+	{
+		$qry = "Select 1 from public.tbl_mitarbeiter where mitarbeiter_uid =".$this->db_add_param($mitarbeiter_uid);
+
+		if ($result = $this->db_query($qry))
+		{
+			if ($this->db_num_rows($result) > 0)
+				return true;
+			else
+				return false;
+		}
+	}
 }
 ?>

public/css/Cis4/Cis.css

@@ -454,8 +454,8 @@ html {
 
 /* desktop */
 @media (min-width: 992px) {
-  body {
-    display: flex;
+	body.cis4 {
+		display: flex;
     padding-top: var(--fhc-cis-header-height);
     width: calc(100svw - var(--scrollbar-width, 0px));
     /* overflow: visible !important; */
@@ -853,4 +853,20 @@ 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);
-}
+}
+
+.cis-main-menu {
+	max-width: 100vw;
+}
+
+.cis-main-menu ul {
+	list-style: none;
+	margin: 0;
+	padding: 0;
+}
+
+.cis-main-menu ul li {
+	margin: 0;
+	padding: 0;
+	width: 100%;
+}

public/css/Cis4/CoreCalendarEvents.css

@@ -96,4 +96,3 @@
 .fhc-roominformation .calendar-event-default .event-place {
 	display: none;
 }
-

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 +1,221 @@
+@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: .875em;
+  height: 100%;
+}
+
+body {
+	/*display: flex;*/
+	 height: 100%;
+}
+.heightfull {
+		 height: 95%;
+}
+.navbar-dark .navbar-brand:focus {
+	box-shadow: 0 0 0 .25rem rgba(13,110,253,.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: .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;
+}
+
+
+.room-option {
+	display: grid;
+	grid-template-columns: 20px minmax(80px, 110px) minmax(100px, 1fr) auto 20px 50px;
+	align-items: center;
+	width: 100%;
+}
+
+.timepicker-row {
+	display: flex;
+	align-items: center;
+}

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/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/studiensemester.js

@@ -44,5 +44,15 @@ export default {
 				studiensemester_kurzbz
 			}
 		};
-	}
+	},
+	getContainingOrNearestByDateRange(from, to) {
+		return {
+			method: 'get',
+			url: 'api/frontend/v1/organisation/studiensemester/getContainingOrNearestByDateRange',
+			params: {
+				from,
+				to,
+			}
+		};
+	},
 };

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 +1,179 @@
+
+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, first_run) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/addKalenderEvent',
+			params: { lehreinheit_id, ort_kurzbz, start_date, end_date, first_run}
+		};
+	},
+	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 }
+		};
+	},
+	getRaeume() {
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getRaeume',
+		};
+	},
+	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 }
+		};
+	},
+	getModalContent(kalender_id)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getModalContent',
+			params: { kalender_id }
+		};
+	}
+
+};

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/LVVerwaltung.js

@@ -17,6 +17,8 @@ const router = VueRouter.createRouter({
 			component: LVVerwaltung,
 			children: [
 				{ name: 'emp', path: 'emp/:emp/:treemenu(.*)*', component: LVVerwaltung },
+				{ name: 'le', path: 'le/:le', component: LVVerwaltung },
+				{ name: 'lv', path: 'lv/:lv', component: LVVerwaltung },
 				{ name: 'treemenu', path: ':treemenu(.*)*', component: LVVerwaltung }
 			]
 		},

public/js/apps/Tempus.js

@@ -0,0 +1,48 @@
+/**
+ * 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/>.
+ */
+
+import FhcTempus from "../components/Tempus/Tempus.js";
+import FhcTempusSync from "../components/Tempus/TempusSync.js";
+
+import Phrasen from "../plugins/Phrasen.js";
+import {capitalize} from "../helpers/StringHelpers.js";
+
+
+const ciPath = FHC_JS_DATA_STORAGE_OBJECT.app_root.replace(/(https:|)(^|\/\/)(.*?\/)/g, '') + FHC_JS_DATA_STORAGE_OBJECT.ci_router;
+
+const router = VueRouter.createRouter({
+	history: VueRouter.createWebHistory(),
+	routes: [
+		{ path: `/${ciPath}/Tempus`, component: FhcTempus },
+		{ path: `/${ciPath}/Tempus/sync`, component: FhcTempusSync },
+	]
+});
+
+const app = Vue.createApp();
+
+app.config.globalProperties.$capitalize = capitalize;
+app
+	.use(router)
+	.use(primevue.config.default, {
+		zIndex: {
+			overlay: 1100,
+			tooltip: 99999
+		}
+	})
+	.use(Phrasen)
+	.directive('tooltip', primevue.tooltip)
+	.mount('#main');

public/js/components/AppConfig.js

@@ -79,26 +79,30 @@ export default {
 					this.$fhcAlert.alertSuccess(this.$p.t('ui/settings_saved'));
 				})
 				.catch(this.$fhcAlert.handleSystemErrors);
+		},
+		reload()
+		{
+			this.$api
+				.call(this.endpoints.get())
+				.then(res => {
+					Object.keys(res.data).forEach(key => {
+						const binding = { ...res.data[key] };
+						delete binding.value;
+						delete binding.options;
+						const options = res.data[key].options;
+						this.tempValues[key] = res.data[key].value;
+						this.setup[key] = {
+							binding,
+							options
+						};
+					});
+					this.$emit('update:modelValue', { ...this.tempValues });
+				})
+				.catch(this.$fhcAlert.handleSystemErrors);
 		}
 	},
 	created() {
-		this.$api
-			.call(this.endpoints.get())
-			.then(res => {
-				Object.keys(res.data).forEach(key => {
-					const binding = { ...res.data[key] };
-					delete binding.value;
-					delete binding.options;
-					const options = res.data[key].options;
-					this.tempValues[key] = res.data[key].value;
-					this.setup[key] = {
-						binding,
-						options
-					};
-				});
-				this.$emit('update:modelValue', { ...this.tempValues });
-			})
-			.catch(this.$fhcAlert.handleSystemErrors);
+		this.reload();
 	},
 	template: /* html */`
 	<fhc-form class="stv-config" ref="form" @submit.prevent="update">

public/js/components/Calendar/Base.js

@@ -1,26 +1,35 @@
-import BaseDraganddrop from './Base/DragAndDrop.js';
 import BaseHeader from './Base/Header.js';
 import BaseSlider from './Base/Slider.js';
 import BsModal from '../Bootstrap/Modal.js';
 
 import CalClick from '../../directives/Calendar/Click.js';
+import DragClick from '../../directives/dragClick.js';
+import Draggable from '../../directives/draggable.js';
+import Drop from '../../directives/drop.js';
 
 export default {
 	name: "CalendarBase",
 	components: {
-		BaseDraganddrop,
 		BaseHeader,
 		BaseSlider,
 		BsModal
 	},
 	directives: {
-		CalClick
+		CalClick,
+		DragClick,
+		Draggable,
+		Drop
 	},
 	provide() {
 		return {
+			events: Vue.computed(() => this.convertedEvents),
+			backgrounds: Vue.computed(() => this.convertedBackgrounds),
+			dropAllowed: Vue.computed(() => !!this.onDrop),
+			onDrop: Vue.computed(() => this.onDrop || null),
 			locale: Vue.computed(() => this.locale),
 			timezone: Vue.computed(() => this.timezone),
 			timeGrid: Vue.computed(() => this.timeGrid),
+			hoursPlan: Vue.computed(() => this.hoursPlan),
 			draggableEvents: Vue.computed(() => {
 				if (!this.draggableEvents)
 					return () => false;
@@ -43,8 +52,20 @@ export default {
 
 				return () => true;
 			}),
+			resizableEvents: Vue.computed(() => {
+				if (!this.resizableEvents)
+					return () => false;
+
+				if (Array.isArray(this.resizableEvents))
+					return event => this.resizableEvents.includes(event.type);
+				if (this.resizableEvents instanceof Function)
+					return this.resizableEvents;
+
+				return () => true;
+			}),
 			hasDragoverFunc: Vue.computed(() => this.onDragover),
-			mode: Vue.computed(() => this.mode)
+			mode: Vue.computed(() => this.mode),
+			onResize: Vue.computed(() => this.onResize || null),
 		};
 	},
 	props: {
@@ -93,11 +114,18 @@ export default {
 			type: Boolean,
 			default: undefined
 		},
+		btnTableList: {
+			type: Boolean,
+			default: undefined
+		},
 		timeGrid: Array,
+		hoursPlan: Object,
 		draggableEvents: [Boolean, Array, Function],
 		dropableEvents: [Boolean, Array, Function],
+		resizableEvents: [Boolean, Array, Function],
 		onDragover: Function,
-		onDrop: Function
+		onDrop: Function,
+		onResize: Function
 	},
 	emits: [
 		"click:next",
@@ -109,12 +137,14 @@ export default {
 		"update:date",
 		"update:mode",
 		"update:range",
+		"update:date-range",
 		"drop"
 	],
 	data() {
 		return {
 			internalView: null,
 			internalDate: null,
+			pickedRangeEnd: null,
 			modalEvent: null
 		};
 	},
@@ -136,7 +166,7 @@ export default {
 						res.start = luxon.DateTime.fromMillis(res.start, { zone: this.timezone, locale: this.locale });
 					else if (res.start instanceof Date)
 						res.start = luxon.DateTime.fromJSDate(res.start, { zone: this.timezone, locale: this.locale });
-					else if (typeof res.start === 
+					else if (typeof res.start ===
 						'string' || res.start instanceof String)
 						res.start = luxon.DateTime.fromISO(res.start, { zone: this.timezone, locale: this.locale });
 				}
@@ -145,7 +175,7 @@ export default {
 						res.end = luxon.DateTime.fromMillis(res.end, { zone: this.timezone, locale: this.locale });
 					else if (res.end instanceof Date)
 						res.end = luxon.DateTime.fromJSDate(res.end, { zone: this.timezone, locale: this.locale });
-					else if (typeof res.end === 
+					else if (typeof res.end ===
 						'string' || res.end instanceof String)
 						res.end = luxon.DateTime.fromISO(res.end, { zone: this.timezone, locale: this.locale });
 				}
@@ -171,7 +201,10 @@ export default {
 			// choose default mode
 			let mode = this.mode;
 			if (mode)
-				mode = mode.toLowerCase();
+			{
+				const lower = mode.toLowerCase();
+				mode = Object.keys(this.modes).find(key => key.toLowerCase() === lower) || null;
+			}
 			if (!mode || !this.modes[mode])
 				mode = Object.keys(this.modes).find(Boolean); // start with first entry as active mode
 			return mode || '';
@@ -188,13 +221,22 @@ export default {
 	},
 	watch: {
 		sDate(n, o) {
-			if (this.sDate.isValid && !this.sDate.hasSame(this.internalDate, 'day'))
+			if (this.sDate.isValid && (!this.internalDate || !this.sDate.hasSame(this.internalDate, 'day')))
 				this.internalDate = this.sDate;
 		},
 		sMode() {
 			if (this.sMode)
 				this.internalView = this.sMode;
-		}
+		},
+		events(newEvents)
+		{
+			if (!this.modalEvent)
+				return;
+
+			const freshEvent = newEvents.find(e => e.kalender_id === this.modalEvent.event.kalender_id);
+			if (freshEvent)
+				this.modalEvent.event = freshEvent;
+		},
 	},
 	methods: {
 		clickPrev() {
@@ -238,10 +280,16 @@ export default {
 					this.cMode = 'week';
 				}
 				break;
+			case 'event':
+				evt.stopPropagation();
+				this.showEventModal({ event: evt.detail.value });
+				break;
 			}
 		},
-		onDropItem(evt, start, end) {
-			this.$emit('drop', evt, start, end);
+
+		handleDateRange({ start, end }) {
+			this.pickedRangeEnd = end;
+			this.$emit('update:date-range', { start, end });
 		},
 		showEventModal(eventObj) {
 			this.modalEvent = eventObj;
@@ -254,8 +302,12 @@ export default {
 			this.modalEvent = null;
 		},
 		onModalHidden() {
+			if (this.$refs.modal.$refs.modal.classList.contains('show'))
+				return;
+
 			if (this.modalEvent.closeFn)
 				this.modalEvent.closeFn();
+			this.modalEvent = null;
 		}
 	},
 	beforeUnmount() {
@@ -263,11 +315,7 @@ export default {
 	},
 	template: /* html */`
 	<div class="fhc-calendar-base h-100">
-		<base-draganddrop
-			class="card h-100"
-			:events="convertedEvents"
-			:backgrounds="convertedBackgrounds"
-			@drop="onDropItem"
+		<div class="card h-100"
 			v-cal-click:container
 			@cal-click-default.capture="handleClickDefaults"
 		>
@@ -275,6 +323,7 @@ export default {
 				class="card-header"
 				v-model:date="cDate"
 				v-model:mode="cMode"
+				@update:date-range="handleDateRange"
 				@prev="clickPrev"
 				@next="clickNext"
 				@click:mode="$emit('click:mode', $event)"
@@ -282,6 +331,7 @@ export default {
 				:btn-week="!!modes['week'] && (btnWeek || (showBtns && btnWeek !== false))"
 				:btn-month="!!modes['month'] && (btnMonth || (showBtns && btnMonth !== false))"
 				:btn-list="!!modes['list'] && (btnList || (showBtns && btnList !== false))"
+				:btn-table-list="!!modes['tableList'] && (btnTableList || (showBtns && btnTableList !== false))"
 				:mode-options="modeOptions ? modeOptions[cMode] : undefined"
 			>
 				<slot name="actions" />
@@ -290,14 +340,16 @@ export default {
 				:is="modes ? modes[cMode] : null || 'div'"
 				ref="mode"
 				v-model:current-date="cDate"
+				:range-end="pickedRangeEnd"
 				@update:range="$emit('update:range', $event)"
 				@request-modal-open="showEventModal"
 				@request-modal-close="hideEventModal"
+				@drop="$emit('drop', $event)"
 				v-bind="modeOptions ? modeOptions[cMode] : null || {}"
 			>
 				<template v-slot="slot"><slot v-bind="slot" /></template>
 			</component>
-		</base-draganddrop>
+		</div>
 		<bs-modal ref="modal" dialog-class="modal-lg" body-class="" @hidden-bs-modal="onModalHidden">
 			<template #title>
 				<slot v-if="modalEvent" v-bind="{mode: 'eventheader', event: modalEvent.event}" />
@@ -308,4 +360,4 @@ export default {
 		</bs-modal>
 	</div>
 	`
-}
+}

public/js/components/Calendar/Base/Grid.js

@@ -1,7 +1,8 @@
 import GridLine from './Grid/Line.js';
 import GridLineEvent from './Grid/Line/Event.js';
 
-import CalDnd from '../../../directives/Calendar/DragAndDrop.js';
+import drop from '../../../directives/drop.js';
+import { useResizeHandler } from '../../../helpers/Tempus/ResizeHandler.js';
 
 export default {
 	name: "CalendarGrid",
@@ -10,17 +11,24 @@ export default {
 		GridLineEvent
 	},
 	directives: {
-		CalDnd
+		drop
 	},
 	inject: {
 		originalEvents: "events",
 		originalBackgrounds: "backgrounds",
-		dropAllowed: "dropAllowed"
+		dropAllowed: "dropAllowed",
+		onDrop: "onDrop",
+		onResize: "onResize",
+		timeGrid: {
+			from: "timeGrid",
+			default: () => []
+		}
 	},
 	provide() {
 		return {
 			flipAxis: Vue.computed(() => this.flipAxis),
-			axisRow: Vue.computed(() => this.axisRow)
+			axisRow: Vue.computed(() => this.axisRow),
+			onDropEvent: Vue.computed(() => this.onDropEvent),
 		};
 	},
 	props: {
@@ -53,14 +61,18 @@ export default {
 		flipAxis: Boolean,
 		allDayEvents: Boolean,
 		axisMainCollapsible: Boolean,
-		snapToGrid: Boolean
+		snapToGrid: Boolean,
+		dayVisibility: {
+			type: Array,
+			default: null
+		}
 	},
 	data() {
 		return {
-			dragging: false,
 			resizeObserver: null,
 			mutationObserver: null,
-			userScroll: true
+			userScroll: true,
+			isDragging: false
 		};
 	},
 	computed: {
@@ -152,7 +164,17 @@ export default {
 		hasValidEvents() {
 			return this.events.find(e => e.length);
 		},
-		styleGridCols() {
+		styleGridCols()
+		{
+			if (this.dayVisibility)
+			{
+				let anyVisible = this.dayVisibility.some(day => day);
+				if (anyVisible)
+				{
+					return this.axisMain.map((day, i) => this.isDayCollapsed(i) ? 'var(--fhc-calendar-axis-collapsible-manual, 0.1fr)' : '1fr').join(' ');
+				}
+			}
+
 			let cols = 'repeat(' + this.axisMain.length + ', 1fr)';
 			if (this.axisMainCollapsible) {
 				if (this.hasValidEvents)
@@ -252,17 +274,27 @@ export default {
 				pageLeft += this.getPageLeft(el.offsetParent);
 			return pageLeft;
 		},
-		getTimestampFromMouse(evt, dayTimestamp) {
+		getTimestampFromMouse(evt, dayTimestamp)
+		{
 			let mouse, mouseFrac;
-			if (this.flipAxis) {
-				mouse = evt.pageX - this.getPageLeft(this.$refs.body) + this.$refs.main.scrollLeft;
+
+			const grabOffsetY = parseFloat(evt.dataTransfer.getData('fhc-grab-offset-y')) || 0;
+			const grabOffsetX = parseFloat(evt.dataTransfer.getData('fhc-grab-offset-x')) || 0;
+
+			if (this.flipAxis)
+			{
+				mouse = evt.pageX - this.getPageLeft(this.$refs.body) + this.$refs.scroller.scrollLeft - grabOffsetX;
 				mouseFrac = mouse / this.$refs.body.offsetWidth;
-			} else {
-				mouse = evt.pageY - this.getPageTop(this.$refs.body) + this.$refs.main.scrollTop;
+			}
+			else
+			{
+				mouse = evt.pageY - this.getPageTop(this.$refs.body) + this.$refs.scroller.scrollTop - grabOffsetY;
 				mouseFrac = mouse / this.$refs.body.offsetHeight;
 			}
 
-			return dayTimestamp + this.start + Math.floor((this.end - this.start) * mouseFrac);
+			let rawTimestamp = dayTimestamp + this.start + Math.floor((this.end - this.start) * mouseFrac);
+			let fiveMinutes = 5 * 60 * 1000;
+			return Math.round(rawTimestamp / fiveMinutes) * fiveMinutes;
 		},
 
 		/* SCROLLING */
@@ -308,8 +340,185 @@ export default {
 			} else {
 				this.$refs.scroller.scrollTo(0, 0);
 			}
+		},
+		calculateNettoDuration(start, end) {
+			const startDay = start.startOf('day');
+			const blocks = this.axisPartsWithBreaks.filter(p => p.index !== undefined);
+
+			let nettoDuration = luxon.Duration.fromMillis(0);
+
+			for (const block of blocks)
+			{
+				const blockStart = startDay.plus(block.start);
+				const blockEnd = startDay.plus(block.end);
+
+				const overlapStart = blockStart > start ? blockStart : start;
+				const overlapEnd = blockEnd < end ? blockEnd : end;
+
+				if (overlapStart < overlapEnd) {
+					nettoDuration = nettoDuration.plus(overlapEnd.diff(overlapStart));
+				}
+			}
+
+			return nettoDuration;
+		},
+
+		calculateDropEnd(dropStart, durationMs) {
+			const duration = luxon.Duration.fromMillis(durationMs);
+			const blocks = this.axisPartsWithBreaks.filter(p => p.index !== undefined);
+			let accumulated = luxon.Duration.fromMillis(0);
+
+			for (const block of blocks)
+			{
+				const blockStart = dropStart.startOf('day').plus(block.start);
+				const blockEnd = dropStart.startOf('day').plus(block.end);
+
+				if (blockEnd <= dropStart) continue;
+
+				const relevantStart = blockStart > dropStart ? blockStart : dropStart;
+				const relevantDuration = blockEnd.diff(relevantStart);
+
+				accumulated = accumulated.plus(relevantDuration);
+
+				if (accumulated >= duration)
+				{
+					const overflow = accumulated.minus(duration);
+					return {end: blockEnd.minus(overflow), shortened: false}
+				}
+			}
+
+			const lastBlock = blocks[blocks.length - 1];
+			return {end: dropStart.startOf('day').plus(lastBlock.end), shortened: true}
+		},
+
+		onDropEvent(evt, items, date)
+		{
+			if (this.snapToGrid)
+				this.onDropSnap(evt, items, date)
+			else
+				this.onDropFree(evt, items, date)
+		},
+		async onDropSnap(evt, items, date, part) {
+			let obj = items;
+			if (!obj?.orig) return;
+
+			const dayStr = evt?.currentTarget?.dataset?.day;
+			const dropDay = dayStr ? luxon.DateTime.fromISO(dayStr) : date;
+
+			const rawTimestamp = this.getTimestampFromMouse(evt, dropDay.toMillis());
+			const grabTime = luxon.DateTime.fromMillis(rawTimestamp);
+
+			const blocks = this.axisPartsWithBreaks.filter(p => p.index !== undefined);
+			const grabOffset = grabTime.diff(dropDay);
+
+			let snappedPart = blocks.find(b => grabOffset >= b.start && grabOffset < b.end);
+
+			if (!snappedPart)
+				snappedPart = blocks.find(b => b.start >= grabOffset) || blocks[blocks.length - 1];
+
+			const dropStart = snappedPart ? dropDay.plus(snappedPart.start) : grabTime;
+
+			let nettoDuration = this._getNettoDurationForDrop(obj);
+
+			let {end: dropEnd, shortened} = this.calculateDropEnd(dropStart, nettoDuration);
+
+			if (shortened && await this.$fhcAlert.confirm({message: 'Wird auf ' + dropEnd.toFormat('HH:mm') + ' gekürzt. Fortfahren?'}) === false)
+			{
+				return;
+			}
+
+			this.onDrop?.({
+				item: [obj],
+				start: dropStart.toISO(),
+				end: dropEnd.toISO(),
+				ctrlKey: !!(evt?.ctrlKey || evt?.metaKey)
+			});
+		},
+
+		_getNettoDurationForDrop(obj) {
+			if (obj.orig?.isostart && obj.orig?.isoend)
+			{
+				const s = luxon.DateTime.fromISO(obj.orig.isostart);
+				const e = luxon.DateTime.fromISO(obj.orig.isoend);
+				if (s.isValid && e.isValid)
+					return this.calculateNettoDuration(s, e);
+			}
+
+			if (obj.stundenblockung)
+			{
+				let blocks = this.axisPartsWithBreaks.filter(p => p.index !== undefined);
+				let firstBlock = blocks[0];
+				let blockMinutes = luxon.Duration.fromISO(firstBlock.end).minus(luxon.Duration.fromISO(firstBlock.start)).as('minutes');
+				if (!Number.isFinite(blockMinutes) || blockMinutes <= 0) blockMinutes = 45;
+				return luxon.Duration.fromObject({ minutes: obj.stundenblockung * blockMinutes });
+			}
+
+			return luxon.Duration.fromObject({ minutes: 45 });
+		},
+		async onDropFree(evt, items, date)
+		{
+			let obj = items;
+			if (!obj?.orig)
+				return;
+
+			const timestamp = this.getTimestampFromMouse(evt, date);
+			const dropStart = luxon.DateTime.fromMillis(timestamp);
+
+			let nettoDuration = this._getNettoDurationForDrop(obj);
+			let {end: dropEnd, shortened} = this.calculateDropEnd(dropStart, nettoDuration);
+
+			if (shortened && await this.$fhcAlert.confirm({message: 'Wird auf ' + dropEnd.toFormat('HH:mm') + ' gekürzt. Fortfahren?'}) === false)
+			{
+				return;
+			}
+			this.onDrop?.({
+				item: [obj],
+				start: dropStart.toISO(),
+				end: dropEnd.toISO(),
+				ctrlKey: !!(evt?.ctrlKey || evt?.metaKey)
+			});
+		},
+		handleResizeStart({ edge, evt, el, event })
+		{
+			const gridEl = this.$refs.body;
+
+			if (!gridEl)
+				return;
+
+			this.resizeHandler.startResize(edge, evt, {
+				el,
+				gridEl,
+				event,
+				timeGrid: this.timeGrid,
+				onEnd: ({ event, newStart, newEnd }) => {
+					const orig = event?.orig;
+					if (!orig || !newStart || !newEnd)
+						return;
+
+					this.onResize?.({
+						item: [{ type: 'kalender', id: orig.kalender_id, orig }],
+						start: newStart,
+						end: newEnd
+					});
+				}
+			});
+		},
+		isDayCollapsed(index)
+		{
+			if (this.dayVisibility)
+			{
+				let anyVisible = this.dayVisibility.some(day => day);
+				if (anyVisible)
+					return !this.dayVisibility[index];
+			}
+			return this.axisMainCollapsible && this.hasValidEvents && !this.events[index].length;
 		}
 	},
+	setup()
+	{
+		const resizeHandler = useResizeHandler();
+		return { resizeHandler };
+	},
 	beforeUnmount() {
 		this.disableAutoScroll();
 	},
@@ -318,6 +527,7 @@ export default {
 		class="fhc-calendar-base-grid"
 		style="display:grid;width:100%;height:100%;overflow:auto"
 		:style="'grid-template-' + axisRow + 's:auto' + (allDayEvents ? ' auto ' : ' ') + '1fr;grid-template-' + axisCol + 's:auto ' + styleGridCols"
+		data-cy="calendar-base-grid"
 	>
 		<div
 			class="grid-header"
@@ -328,7 +538,7 @@ export default {
 				v-for="(date, index) in axisMain"
 				:key="index"
 				class="main-header"
-				:class="{'collapsed-header': axisMainCollapsible && hasValidEvents && !events[index].length}"
+				:class="{'collapsed-header': isDayCollapsed(index)}"
 				:style="'grid-' + axisCol + ':' + (2+index)"
 			>
 				<slot name="main-header" v-bind="{ index, date }" />
@@ -382,11 +592,11 @@ export default {
 					ref="body"
 					class="grid-body"
 					style="display:grid;grid-template-rows:subgrid;grid-template-columns:subgrid"
+					@dragenter="isDragging = true"
+					@dragleave.self="isDragging = false"
+					@dragend="isDragging = false"
+					@drop="isDragging = false"
 					:style="'grid-' + axisCol + ':2/-1;grid-' + axisRow + ':1/-1'"
-					v-cal-dnd:dropcage
-					@calendar-dragenter="dragging = true"
-					@calendar-dragleave="dragging = false"
-					@dragover="dropAllowed ? $event.preventDefault() : null"
 				>
 					<template
 						v-for="(date, index) in axisMain"
@@ -398,12 +608,16 @@ export default {
 							class="part-body"
 							style="position:relative"
 							:style="'grid-' + axisCol + ':' + (1+index) + ';grid-' + axisRow + ':ps_' + i + '/pe_' + i"
+							:data-drop-index="index * axisPartsSave.length + i + 1"
+							data-cy="calendar-grid-part"
 						>
 							<slot name="part-body" v-bind="{ index, part }" />
 							<div
-								v-if="snapToGrid && dragging"
-								style="position:absolute;inset:0;z-index:1"
-								v-cal-dnd:dropzone.once="{date: date.plus(part.start || part), ends: ends.slice(ends.findIndex(end => end > date))}"
+								v-if="snapToGrid"
+								style="position:absolute;inset:0"
+								:style="{ zIndex: isDragging ? 10 : 1 }"
+								:data-day="date.toFormat('yyyy-MM-dd')"
+								v-drop:move.lehreinheit.kalender.reservierung="(evt, item) => onDropSnap(evt, item, date, part)"
 							></div>
 						</div>
 						<grid-line
@@ -412,7 +626,9 @@ export default {
 							:date="date"
 							:events="eventsNormal[index]"
 							:backgrounds="backgrounds[index]"
+							:class="{ 'fhc-calendar-base-grid-line-collapsed': isDayCollapsed(index) }"
 							style="position:relative"
+							@resize-start="handleResizeStart"
 							:style="'grid-' + axisRow + ':1/-1;grid-' + axisCol + ':' + (1+index)"
 						>
 							<template #event="slot">
@@ -420,9 +636,10 @@ export default {
 							</template>
 							<template #dropzone>
 								<div
-									v-if="!snapToGrid && dragging"
-									style="position:absolute;inset:0;z-index:1"
-									v-cal-dnd:dropzone="evt => getTimestampFromMouse(evt, date)"
+									v-if="!snapToGrid"
+									style="position:absolute;inset:0"
+									:style="{ zIndex: isDragging ? 10 : 1 }"
+									v-drop:move.lehreinheit.kalender.reservierung="(evt, item) => onDropFree(evt, item, date)"
 								></div>
 							</template>
 						</grid-line>
@@ -432,4 +649,4 @@ export default {
 		</div>
 	</div>
 	`
-}
+}

public/js/components/Calendar/Base/Grid/Line.js

@@ -12,7 +12,17 @@ export default {
 		LineEvent,
 		LineBackground,
 	},
-	inject: ["axisRow", "shouldCompactEvents", "compactibleEventTypes"],
+	inject: {
+		axisRow: "axisRow",
+		shouldCompactEvents: {
+			from: "shouldCompactEvents",
+			default: undefined,
+		},
+		compactibleEventTypes: {
+			from: "compactibleEventTypes",
+			default: undefined,
+		},
+	},
 	props: {
 		date: {
 			type: luxon.DateTime,
@@ -137,6 +147,7 @@ export default {
 				v-if="!event.display || event.display === 'default'"
 				:style="'grid-' + axisRow + ': ' + event.rows.join('/')"
 				:event="event"
+				@resize-start="$emit('resize-start', $event)"
 			>
 				<template v-slot="slot">
 					<slot name="event" v-bind="slot" />

public/js/components/Calendar/Base/Grid/Line/Event.js

@@ -1,15 +1,45 @@
-import CalDnd from '../../../../../directives/Calendar/DragAndDrop.js';
+import draggable from '../../../../../directives/draggable.js';
+import drop from '../../../../../directives/drop.js';
 import CalClick from '../../../../../directives/Calendar/Click.js';
 
 export default {
 	name: "GridLineEvent",
 	directives: {
-		CalDnd,
+		draggable,
+		drop,
 		CalClick
 	},
+	emits: [
+		'resize-start'
+	],
+	data() {
+		return {
+			contextMenu: {
+				show: false,
+				x: 0,
+				y: 0
+			}
+		};
+	},
 	inject: {
 		draggableEvents: "draggableEvents",
-		mode: "mode"
+		resizableEvents: {
+			from: "resizableEvents",
+			default: () => () => false
+		},
+		mode: "mode",
+		contextMenuActions: {
+			from: "contextMenuActions",
+			default: () => ({})
+		},
+		onDrop: {
+			from: "onDrop",
+			default: () => null
+		},
+		onDropEvent: {
+			from: "onDropEvent",
+			default: () => () => {}
+		}
 	},
 	props: {
 		event: {
@@ -27,6 +57,9 @@ export default {
 		draggable() {
 			return !this.isHeaderOrFooter && this.draggableEvents(this.event.orig, this.mode);
 		},
+		resizable() {
+			return !this.isHeaderOrFooter && this.resizableEvents(this.event.orig, this.mode);
+		},
 		classes() {
 			const classes = [];
 			if (this.isHeaderOrFooter) {
@@ -37,21 +70,130 @@ export default {
 				if (this.event.endsHere)
 					classes.push('event-end');
 			}
-			return classes
+
+			classes.push(`calender_id-${this.event.orig.kalender_id}`);
+			return classes;
+		},
+		dragKalenderCollection() {
+			const orig = this.event.orig;
+			return {
+				type: 'kalender',
+				id: orig?.kalender_id ?? null,
+				orig,
+			};
+		},
+		activeContextActions() {
+			if (this.isHeaderOrFooter) return [];
+			const type = this.event.orig?.type ?? 'lehreinheit';
+			const actions = this.contextMenuActions[type] ?? this.contextMenuActions['default'] ?? [];
+			return actions.filter(action => !action.visible || action.visible(this.event.orig));
 		}
 	},
-	template: /* html */`
+	methods: {
+		onResizeStart(edge, evt) {
+			this.$emit('resize-start', {
+				edge,
+				evt,
+				el: this.$refs.eventEl,
+				event: this.event
+			});
+		},
+		onRightClick(evt) {
+			this.contextMenu.show = true;
+			this.contextMenu.x = evt.clientX;
+			this.contextMenu.y = evt.clientY;
+		},
+		onContextAction(action) {
+			this.contextMenu.show = false;
+			action(this.event.orig);
+		},
+		closeContextMenu() {
+			this.contextMenu.show = false;
+		},
+		onDragStart(evt) {
+			const rect = this.$refs.eventEl.getBoundingClientRect();
+			evt.dataTransfer.setData('fhc-grab-offset-y', evt.clientY - rect.top);
+			evt.dataTransfer.setData('fhc-grab-offset-x', evt.clientX - rect.left);
+		},
+		onDropOnCard(evt, items) {
+			if (this.isHeaderOrFooter || !this.onDrop)
+				return;
+
+			const list = Array.isArray(items) ? items : [items];
+			const obj = list[0];
+			if (!obj)
+				return;
+
+			if ((evt.ctrlKey || evt.metaKey) && obj.type === 'lehreinheit')
+			{
+				return this.onDrop({
+					item: [obj],
+					ctrlKey: true,
+					targetKalenderId: this.event.orig?.kalender_id ?? null
+				});
+			}
+
+			return this.onDropEvent(evt, items, this.event.start.startOf('day'));
+		},
+	},
+	template:`
 	<div
 		class="fhc-calendar-base-grid-line-event event"
 		:class="classes"
-		style="z-index: 1"
+		style="z-index: 11"
 		:draggable="draggable"
-		v-cal-dnd:draggable="event"
+		ref="eventEl"
+		@dragstart="onDragStart"
+		v-draggable:move.noimage="draggable ? dragKalenderCollection : {}"
+		v-drop:move.lehreinheit.kalender.reservierung="onDropOnCard"
 		v-cal-click:event="isHeaderOrFooter ? event : event.orig"
+		@contextmenu.prevent="onRightClick"
+		:data-id="'event-' + event.orig.kalender_id"
+		:data-group-id="'event-group-' + event.orig.eindeutige_kalender_gruppen_id"
+		data-cy="calendar-event"
 	>
+		<div
+			v-if="resizable"
+			class="fhc-resize-bar fhc-resize-bar--top"
+			@pointerdown.prevent.stop="onResizeStart('start', $event)"
+			@click.stop
+		>
+			<i class="fa-solid fa-grip-lines text-muted"></i>
+		</div>
 		<slot :event="isHeaderOrFooter ? event : event.orig">
 			{{ event.orig }}
 		</slot>
+		<div
+			v-if="resizable"
+			class="fhc-resize-bar fhc-resize-bar--bottom"
+			@pointerdown.prevent.stop="onResizeStart('end', $event)"
+			@click.stop
+		>
+			<i class="fa-solid fa-grip-lines text-muted"></i>
+		</div>
+
+	
+		<teleport to="body">
+			<div
+				v-if="contextMenu.show"
+				style="position:fixed; inset:0; z-index:9998"
+				@click="closeContextMenu"
+				@contextmenu.prevent="closeContextMenu"
+			/>
+			<ul
+				v-if="contextMenu.show"
+				class="dropdown-menu show"
+				:style="{ position: 'fixed', top: contextMenu.y + 'px', left: contextMenu.x + 'px', zIndex: 9999 }"
+				data-cy="eventContextMenu"
+			>
+				<li v-for="action in activeContextActions" :key="action.label">
+					<button class="dropdown-item" type="button" @click.stop="onContextAction(action.action)">
+						<i v-if="action.icon" :class="action.icon + ' me-2'"></i>
+						{{ action.label }}
+					</button>
+				</li>
+			</ul>
+		</teleport>
 	</div>
 	`
-}
+}

public/js/components/Calendar/Base/Grid/Line/EventCard.js

@@ -0,0 +1,67 @@
+import draggable from '../../../../../directives/draggable.js';
+
+export default {
+	name: 'EventCard',
+	directives: {
+		draggable,
+	},
+	props: {
+		event: { type: Object, required: true },
+		parked: Boolean
+	},
+	emits: [
+		'select-kw',
+		'unpark'
+	],
+	computed: {
+		dragKalenderCollection() {
+			return this.event
+		},
+		topicString() {
+			return Array.isArray(this.event.orig.topic) ? this.event.orig.topic.join(', ') : this.event.orig.topic;
+		},
+		datum() {
+			return luxon.DateTime.fromISO(this.event.orig.datum).toFormat('dd.MM.yyyy')
+		},
+		kw() {
+			return luxon.DateTime.fromISO(this.event.orig.datum).startOf('week', { useLocaleWeeks: true }).localWeekNumber
+		},
+	},
+	methods: {
+		eventStyle(event) {
+			if (!event.farbe)
+				return undefined;
+			return '--event-bg:#' + event.farbe;
+		},
+		jumpToKw()
+		{
+			this.$emit('select-kw', this.kw);
+		},
+		unpark(evt)
+		{
+			this.$emit('unpark', this.event);
+		}
+	},
+
+	template: `
+	<div
+		class="course-parker event"
+		v-draggable:move.noimage="dragKalenderCollection"
+		:style="eventStyle(event.orig)"
+		data-cy="calendar-event"
+	>
+		<button v-if="parked" class="unpark-btn" type="button" @click="unpark">
+			<i class="fa-solid fa-xmark"></i>
+		</button>
+		<div class="title">
+			{{ topicString || event.orig.titel || event.orig.lehrfach }}
+		</div>
+		<div>
+			<span class="text-decoration-underline" @click="jumpToKw">KW: {{ kw }}</span> {{ datum }}
+		</div>
+		<div>
+			{{ event.orig.beginn }}–{{ event.orig.ende }}
+		</div>
+	</div>
+`
+};

public/js/components/Calendar/Base/Header.js

@@ -24,14 +24,16 @@ export default {
 		btnMonth: Boolean,
 		btnWeek: Boolean,
 		btnDay: Boolean,
-		btnList: Boolean
+		btnList: Boolean,
+		btnTableList: Boolean
 	},
 	emits: [
 		"next",
 		"prev",
 		"click:mode",
 		"update:date",
-		"update:mode"
+		"update:mode",
+		"update:date-range"
 	],
 	data() {
 		return {
@@ -89,6 +91,16 @@ export default {
 					>
 						<i class="fa fa-table-list"></i>
 					</button>
+					
+					<button
+						v-if="btnTableList"
+						type="button"
+						class="btn btn-outline-secondary"
+						:class="{active: mode === 'tableList'}"
+						@click="clickMode($event, 'tableList')"
+					>
+						<i class="fa fa-table-list"></i>
+					</button>
 				</div>
 			</div>
 		</div>
@@ -98,6 +110,7 @@ export default {
 					class="btn btn-outline-secondary border-0"
 					@click="$emit('prev')"
 					:disabled="open"
+					v-if="mode !== 'tableList'"
 				>
 					<i class="fa fa-chevron-left"></i>
 				</button>
@@ -105,6 +118,7 @@ export default {
 					:mode="mode"
 					:date="date"
 					@update:date="$emit('update:date', $event)"
+					@update:date-range="$emit('update:date-range', $event)"
 					@open="open = true"
 					@closed="open = false"
 					:list-length="modeOptions.length"
@@ -113,6 +127,7 @@ export default {
 					class="btn btn-outline-secondary border-0"
 					@click="$emit('next')"
 					:disabled="open"
+					v-if="mode !== 'tableList'"
 				>
 					<i class="fa fa-chevron-right"></i>
 				</button>
@@ -120,4 +135,4 @@ export default {
 		</div>
 	</div>
 	`
-}
+}

public/js/components/Calendar/Base/Header/Datepicker.js

@@ -24,8 +24,14 @@ export default {
 		}
 	},
 	emits: [
-		"update:date"
+		"update:date",
+		"update:date-range"
 	],
+	data() {
+		return {
+			rangeEnd: null
+		};
+	},
 	computed: {
 		convertedDate() {
 			// convert to target TZ then strip TZ Information
@@ -34,32 +40,37 @@ export default {
 		},
 		current() {
 			switch (this.mode) {
-			case "month":
-				return {month: this.convertedDate.month-1, year: this.convertedDate.year};
-			case "list":
-				return [this.convertedDate.startOf('day').ts, this.convertedDate.startOf('day').plus({ days: this.listLength }).ts - 1];
-			case "week":
-				return [this.convertedDate.startOf('week', { useLocaleWeeks: true }).ts, this.convertedDate.endOf('week', { useLocaleWeeks: true }).ts];
-			case "day":
-				return this.convertedDate;
-			default:
-				return null;
+				case "month":
+					return {month: this.convertedDate.month-1, year: this.convertedDate.year};
+				case "list":
+					return [this.convertedDate.startOf('day').ts, this.convertedDate.startOf('day').plus({ days: this.listLength }).ts - 1];
+				case "week":
+					return [this.convertedDate.startOf('week', { useLocaleWeeks: true }).ts, this.convertedDate.endOf('week', { useLocaleWeeks: true }).ts];
+				case "tableList":
+					return [this.convertedDate.startOf('day').ts, (this.rangeEnd || this.convertedDate).endOf('day').ts];
+				case "day":
+					return this.convertedDate;
+				default:
+					return null;
 			}
 		},
 		title() {
 			switch (this.mode) {
-			case "month":
-				return this.date.toLocaleString({ month: 'long', year: 'numeric' });
-			case "week":
-				var year = this.date.localWeekYear;
-				var week = this.date.toFormat('nn');
-				return this.$p.t('calendar/year_kw', { year, week });
-			case "list":
-				return this.date.toLocaleString(luxon.DateTime.DATE_FULL) + '-' + this.date.plus({ days: this.listLength - 1 }).toLocaleString(luxon.DateTime.DATE_FULL);
-			case "day":
-				return this.date.toLocaleString(luxon.DateTime.DATE_FULL);
-			default:
-				return 'View not Supported';
+				case "month":
+					return this.date.toLocaleString({ month: 'long', year: 'numeric' });
+				case "week":
+					var year = this.date.localWeekYear;
+					var week = this.date.toFormat('nn');
+					return this.$p.t('calendar/year_kw', { year, week });
+				case "tableList":
+					const end = this.rangeEnd ? this.rangeEnd.setZone(this.timezone, { keepLocalTime: true }) : this.date;
+					return this.date.toLocaleString(luxon.DateTime.DATE_FULL) + '-' + end.toLocaleString(luxon.DateTime.DATE_FULL);
+				case "list":
+					return this.date.toLocaleString(luxon.DateTime.DATE_FULL) + '-' + this.date.plus({ days: this.listLength - 1 }).toLocaleString(luxon.DateTime.DATE_FULL);
+				case "day":
+					return this.date.toLocaleString(luxon.DateTime.DATE_FULL);
+				default:
+					return 'View not Supported';
 			}
 		},
 		weekStart() {
@@ -70,19 +81,28 @@ export default {
 		update(value) {
 			let date;
 			switch (this.mode) {
-			case "month":
-				value.month++;
-				date = luxon.DateTime.fromObject(value).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
-				break;
-			case "list":
-			case "week":
-				date = luxon.DateTime.fromJSDate(value[0]).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
-				break;
-			case "day":
-				date = luxon.DateTime.fromJSDate(value).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
-				break;
-			default:
-				return; // Don't update if the value is invalid!
+				case "month":
+					value.month++;
+					date = luxon.DateTime.fromObject(value).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
+					break;
+				case "list":
+				case "week":
+					date = luxon.DateTime.fromJSDate(value[0]).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
+					break;
+				case "tableList":
+					if (!Array.isArray(value) || !value[0] || !value[1])
+						return;
+					this.rangeEnd = luxon.DateTime.fromJSDate(value[1]);
+					const start = luxon.DateTime.fromJSDate(value[0]).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
+					const end = this.rangeEnd.setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
+					this.$emit('update:date', start);
+					this.$emit('update:date-range', { start, end });
+					return;
+				case "day":
+					date = luxon.DateTime.fromJSDate(value).setZone(this.timezone, { keepLocalTime: true }).setLocale(this.locale);
+					break;
+				default:
+					return; // Don't update if the value is invalid!
 			}
 			this.$emit("update:date", date);
 		},
@@ -97,7 +117,7 @@ export default {
 		:format="() => title"
 		:month-picker="mode == 'month'"
 		:week-picker="mode == 'week'"
-		:range="mode == 'list' ? { autoRange: listLength - 1 } : false"
+		:range="mode == 'list' ? { autoRange: listLength - 1 } : (mode == 'tableList' ? { partialRange: false } : false)"
 		:text-input="mode == 'day'"
 		:week-start="weekStart"
 		:week-numbers="{ type: weekNumbers }"

public/js/components/Calendar/Mode/List/View.js

@@ -1,7 +1,8 @@
 import LabelDay from '../../Base/Label/Day.js';
 import LabelDow from '../../Base/Label/Dow.js';
 
-import CalDnd from '../../../../directives/Calendar/DragAndDrop.js';
+import draggable from '../../../../directives/draggable.js';
+
 import CalClick from '../../../../directives/Calendar/Click.js';
 
 // TODO(chris): drag and drop
@@ -13,7 +14,7 @@ export default {
 		LabelDow
 	},
 	directives: {
-		CalDnd,
+		draggable,
 		CalClick
 	},
 	inject: {
@@ -86,7 +87,7 @@ export default {
 					v-else
 					class="event"
 					:draggable="draggable(event)"
-					v-cal-dnd:draggable="event"
+					v-draggable="event.orig"
 					v-cal-click:event="event.orig"
 				>
 					<slot :event="event.orig" mode="list" />

public/js/components/Calendar/Mode/Month/View.js

@@ -36,7 +36,9 @@ export default {
 					}
 				}
 				return events;
-			})
+			}),
+			draggableEvents: () => false,
+			resizableEvents: () => false
 		};
 	},
 	inject: {

public/js/components/Calendar/Mode/Table.js

@@ -0,0 +1,58 @@
+import TableView from './Table/View.js';
+
+export default {
+	name: "ModeTable",
+	components: {
+		TableView
+	},
+	props: {
+		currentDate: {
+			type: luxon.DateTime,
+			required: true
+		},
+		rangeEnd: {
+			type: luxon.DateTime,
+			default: null
+		}
+	},
+	emits: [
+		"update:range",
+	],
+	data() {
+		return {
+			focusDate: this.currentDate,
+			focusEnd: this.rangeEnd || this.currentDate
+		};
+	},
+	computed: {
+		range() {
+			return luxon.Interval.fromDateTimes(this.focusDate.startOf('day'), this.focusEnd.endOf('day'));
+		}
+	},
+	watch: {
+		currentDate(newDate) {
+			this.focusDate = newDate;
+			if (!this.rangeEnd)
+				this.focusEnd = newDate;
+			this.$emit('update:range', this.range);
+		},
+		rangeEnd(newEnd) {
+			this.focusEnd = newEnd || this.focusDate;
+			this.$emit('update:range', this.range);
+		}
+	},
+	methods: {
+
+	},
+	mounted() {
+		this.$emit('update:range', this.range);
+	},
+	template: `
+	<div
+		class="fhc-calendar-mode-month flex-grow-1 position-relative">
+		<table-view ref="view" v-bind="$attrs" :day="focusDate" :end="focusEnd">
+			<template v-slot="slot"><slot v-bind="slot" mode="week" /></template>
+		</table-view>
+	</div>
+	`
+}

public/js/components/Calendar/Mode/Table/View.js

@@ -0,0 +1,397 @@
+import {CoreFilterCmpt} from "../../../../components/filter/Filter.js";
+import BsModal from '../../../Bootstrap/Modal.js';
+import FormInput from "../../../Form/Input.js";
+import CoreTag from '../../../../components/Tag/Tag.js';
+
+import {
+	buildTagHeaderFilterExpression,
+	buildTagOptionsFromRows,
+	customTagFilter,
+	setTagHeaderFilterValue,
+	tagHeaderFilter,
+	extendedHeaderFilter,
+	syncTagHeaderFilterOptions,
+	syncSelectedTagOptionsWithHeaderFilters
+} from "../../../../tabulator/filters/extendedHeaderFilter.js";
+
+import { tagFormatter } from "../../../../tabulator/formatter/tags.js";
+import ApiTempusTag from "../../../../api/factory/tempus/tag.js";
+
+export default {
+	name: "TableView",
+	inject: {
+		events: "events",
+		timezone: "timezone",
+		tableActions: "tableActions",
+	},
+	components: {
+		CoreFilterCmpt,
+		BsModal,
+		FormInput,
+		CoreTag
+	},
+	props: {
+		day: {
+			type: luxon.DateTime,
+			required: true
+		},
+		end: {
+			type: luxon.DateTime,
+			required: true
+		}
+	},
+	data()
+	{
+		return {
+			raumtyp_array: [],
+			actionSelect: '',
+			tagFilterState: {
+				initialOptions: [],
+				selectedOptions: [],
+			},
+			tagFilterLabels: {
+				tag: "Tag",
+				clear: "Clear",
+				connectors: {
+					AND: "AND",
+					OR: "OR",
+					NOT: "NOT",
+				},
+			},
+			tagEndpoint: ApiTempusTag,
+			selectedColumnValues: []
+		}
+	},
+	computed: {
+		start() {
+			return this.day.startOf('day');
+		},
+		tableEnd() {
+			return this.end.endOf('day');
+		},
+		preparedEvents() {
+			const end = this.tableEnd;
+			return this.events
+				.filter(e => e.start < end && e.end > this.start)
+				.sort((a, b) => a.start.ts - b.start.ts)
+				.map(event => ({
+					...event.orig,
+					row_index: event.id,
+				}));
+		},
+		tabulatorOptions() {
+			return {
+				index: "row_index",
+				layout: 'fitDataStretch',
+				placeholder: "Keine Daten verfügbar",
+				persistenceID: "2026_09_29_table_view_v1",
+				height: '100%',
+				data: this.preparedEvents,
+				columns: [
+					{
+						formatter: 'rowSelection',
+						titleFormatter: 'rowSelection',
+						titleFormatterParams: {
+							rowRange: "active"
+						},
+						headerSort: false,
+						width: 40
+					},
+					{
+						title: 'Tags',
+						field: 'tags',
+						tooltip: false,
+						headerFilter: customTagFilter,
+						headerFilterFunc: tagHeaderFilter,
+						formatter: (cell, formatterParams, onRendered) => tagFormatter(cell, this.$refs.tagComponent, onRendered),
+						width: 150,
+					},
+
+					{title: 'Datum', field: 'datum', headerFilter: "input", formatter: (cell) => {
+							let val = cell.getValue();
+							if (!val)
+								return '&nbsp;';
+							return luxon.DateTime.fromISO(val).toFormat('dd.MM.yyyy')
+						}
+					},
+					{title: 'Von', field: 'beginn', headerFilter: "input"},
+					{title: 'Bis', field: 'ende', headerFilter: "input"},
+					{title: 'Lehrfach', field: 'lehrfach', headerFilter: "input"},
+					{title: 'Bezeichnung', field: 'lehrfach_bez', headerFilter: "input"},
+					{title: 'Lehrform', field: 'lehrform', headerFilter: "input"},
+					{title: 'Raum', field: 'ort_kurzbz', headerFilter: "input"},
+					{
+						title: 'Lehreinheit_id',
+						field: 'lehreinheit_id',
+						headerFilter: "input",
+						tooltip: false,
+						formatter: function(cell) {
+							let value = cell.getValue();
+							if (!value || !value.length)
+								return '';
+
+							let semester = cell.getRow().getData().le_studiensemester_kurzbz.toLowerCase();
+							let base_url = FHC_JS_DATA_STORAGE_OBJECT.app_root + FHC_JS_DATA_STORAGE_OBJECT.ci_router;
+
+							return value.map(lehreinheit => {
+								let url = `${base_url}/LVVerwaltung/stdsem/${semester}/le/${lehreinheit}`;
+								return `<a href="${url}" target="_blank">${lehreinheit}</a>`;
+							}).join(', ');
+						},
+					},
+					{
+						title: 'Lektor',
+						field: 'lektor',
+						headerFilter: "input",
+						formatter: (cell) => {
+							let value = cell.getValue();
+							if (!value)
+								return '';
+							return value.map(l => l.kurzbz).join(', ') ?? '–'
+						}
+					},
+					{title: 'OE', field: 'organisationseinheit', headerFilter: "input"},
+					{title: 'Status', field: 'status_kurzbz', headerFilter: "input"},
+				]
+			}
+		},
+	},
+	methods:
+	{
+		tagHeaderFilterParams() {
+			return {
+				listOnEmpty: true,
+				autocomplete: true,
+				initialOptions: this.tagFilterState.initialOptions,
+				selectedOptions: this.tagFilterState.selectedOptions,
+				labels: this.tagFilterLabels,
+			};
+		},
+		tableBuilt() {
+			this.$refs.tableViewTable.tabulator.updateColumnDefinition('tags', {
+				headerFilterParams: this.tagHeaderFilterParams(),
+			});;
+
+		},
+		openModal() {
+			let selected = this.$refs.tableViewTable?.tabulator?.getSelectedData() ?? [];
+			if (!selected.length)
+				return;
+			this.tableActions?.openRaumauswahl(selected)
+		},
+		async deleteSelected() {
+			let selected = this.$refs.tableViewTable?.tabulator?.getSelectedData() ?? [];
+
+			if (!selected.length) return;
+
+			let isConfirmed = await this.$fhcAlert.confirmDelete();
+
+			if (!isConfirmed) return;
+
+			await this.tableActions?.deleteEntries(selected)
+
+			this.$refs.tableViewTable.tabulator.deselectRow();
+		},
+		async setStatus() {
+
+			let selected = this.$refs.tableViewTable?.tabulator?.getSelectedData() ?? [];
+
+			if (!selected.length) return;
+
+			if (this.actionSelect === 'delete')
+			{
+				let isConfirmed = await this.$fhcAlert.confirmDelete();
+				if (!isConfirmed) return;
+				await this.tableActions?.deleteEntries(selected)
+			}
+			else if (this.actionSelect === 'toLecturer')
+			{
+				await this.tableActions?.syncToLecturer(selected)
+			}
+			else if (this.actionSelect === 'toStudent')
+			{
+				await this.tableActions?.syncToStudent(selected)
+			}
+		},
+		async fetchAssignedTagsByCalender(calendarGroupId) {
+			const result = await this.$api.call(
+				ApiTempusTag.getTagsByCalendar(calendarGroupId),
+			);
+
+			if (result.meta.status === "success") {
+				return result.data.filter((tag) => !!tag);
+			}
+
+			this.$fhcAlert.alertError(
+				this.$p.t("ui", "failed_assigned_tags_fetch_error_message"),
+			);
+			return [];
+		},
+		async addedTag(addedTag) {
+			let relevantEvents = this.events.filter(event =>
+				this.selectedColumnValues.includes(event.orig.eindeutige_kalender_gruppen_id)
+			);
+
+			await Promise.all(relevantEvents.map(async (event) => {
+				let tags = await this.fetchAssignedTagsByCalender(event.orig.eindeutige_kalender_gruppen_id);
+				event.orig.tags = tags
+			}));
+
+			syncTagHeaderFilterOptions(
+				this.$refs.tableViewTable?.tabulator?.getData() || [],
+				this.tagFilterState.initialOptions,
+				this.tagFilterState.selectedOptions,
+			);
+		},
+
+		async deletedTag(deletedTag) {
+			let calendarIds = this.events
+				.filter(event => event.orig.tags?.some(t => t.id === deletedTag))
+				.map(event => event.orig.eindeutige_kalender_gruppen_id);
+
+			if (!calendarIds.length) return;
+
+			let relevantEvents = this.events.filter(event =>
+				calendarIds.includes(event.orig.eindeutige_kalender_gruppen_id)
+			);
+
+			await Promise.all(relevantEvents.map(async (event) => {
+				let tags = await this.fetchAssignedTagsByCalender(event.orig.eindeutige_kalender_gruppen_id);
+				event.orig.tags = tags;
+			}));
+
+			syncTagHeaderFilterOptions(
+				this.$refs.tableViewTable?.tabulator?.getData() || [],
+				this.tagFilterState.initialOptions,
+				this.tagFilterState.selectedOptions,
+			);
+		},
+		async updatedTag(updatedTag) {
+			let calendarIds = this.events
+				.filter(event => event.orig.tags?.some(t => t.id === updatedTag.id))
+				.map(event => event.orig.eindeutige_kalender_gruppen_id);
+
+			if (!calendarIds.length) return;
+
+			let relevantEvents = this.events.filter(event =>
+				calendarIds.includes(event.orig.eindeutige_kalender_gruppen_id)
+			);
+
+			await Promise.all(relevantEvents.map(async (event) => {
+				let tags = await this.fetchAssignedTagsByCalender(event.orig.eindeutige_kalender_gruppen_id);
+				event.orig.tags = tags;
+			}));
+
+			syncTagHeaderFilterOptions(
+				this.$refs.tableViewTable?.tabulator?.getData() || [],
+				this.tagFilterState.initialOptions,
+				this.tagFilterState.selectedOptions,
+			);
+		},
+		dataLoadedHandler (data) {
+
+			syncTagHeaderFilterOptions(
+				Array.isArray(data) ? data : [],
+				this.tagFilterState.initialOptions,
+				this.tagFilterState.selectedOptions,
+			);
+		},
+		dataFilteredHandler(filters, rows) {
+
+			syncSelectedTagOptionsWithHeaderFilters(
+				filters,
+				this.tagFilterState.selectedOptions
+			);
+		},
+		columnWidthHandler (column) {
+			if (column.getField() !== "tags") return;
+
+			column.getCells().forEach((cell) => {
+				cell.getElement().firstElementChild?.fitTags?.();
+			});
+		},
+		onRowClick(e, row)
+		{
+			if (e.target.closest('a, input'))
+				return;
+
+			let rowIndex = row.getData().row_index;
+			let eventData = this.events.find(ev => ev.id === rowIndex)?.orig ?? row.getData();
+
+			let event = new CustomEvent('cal-click', {
+				cancelable: true,
+				bubbles: true,
+				detail: {source: 'event', value: eventData}
+			})
+
+			row.getElement().dispatchEvent(event)
+		},
+
+		updateSelectedRows() {
+			this.selectedColumnValues = this.$refs.tableViewTable.tabulator.getSelectedRows().map(row => row.getData().eindeutige_kalender_gruppen_id);
+		},
+	},
+	watch: {
+		preparedEvents: {
+			handler(newData) {
+				this.$refs.tableViewTable?.tabulator?.setData(newData);
+			},
+			deep: true
+		},
+		"tagFilterState.selectedOptions": {
+			handler() {
+				const selectedOptions = this.tagFilterState.selectedOptions;
+				const combinedFilterStatement = buildTagHeaderFilterExpression(selectedOptions);
+
+				setTagHeaderFilterValue(
+					combinedFilterStatement,
+					this.$refs.tableViewTable.tabulator,
+				);
+			},
+			deep: true,
+		},
+	},
+	template: /* html */`
+	<div class="fhc-calendar-mode-table-view position-absolute top-0 start-0 w-100 h-100 d-flex flex-column">
+		<core-filter-cmpt
+			ref="tableViewTable"
+			:tabulator-options="tabulatorOptions"
+			:table-only="true"
+			:side-menu="false"
+			:download="true"
+			:tabulator-events="[{ event: 'tableBuilt', handler: tableBuilt },
+								{ event: 'rowSelectionChanged', handler: updateSelectedRows },
+								{ event: 'dataLoaded', handler: dataLoadedHandler }, 
+								{ event: 'dataFiltered', handler: dataFilteredHandler }, 
+								{ event: 'columnWidth', handler: columnWidthHandler },
+								{ event: 'rowClick', handler: onRowClick }
+			]"
+		>
+			<template #actions>
+				<core-tag ref="tagComponent"
+					:endpoint="tagEndpoint"
+					:values="selectedColumnValues"
+					@added="addedTag"
+					@deleted="deletedTag"
+					@updated="updatedTag"
+					zuordnung_typ="eindeutige_kalender_gruppen_id"
+					show-hover
+				></core-tag>
+				<div class="d-flex gap-2 align-items-baseline">
+					<select v-model="actionSelect" class="form-select">
+						<option selected disabled value="">Status setzen</option>
+						<option value="toLecturer">Freischalten für Voransicht</option>
+						<option value="toStudent">Freischalten für Live</option>
+					</select>
+					<button @click="setStatus" :disabled="!actionSelect" class="btn btn-outline-danger btn-sm text-nowrap">
+						Status setzen
+					</button>
+				</div>
+				
+				<button @click="deleteSelected" class="btn btn-outline-danger btn-sm">Löschen</button>
+				<button @click="openModal" class="btn btn-outline-secondary btn-sm">Raum wechsel</button>
+			</template>
+		</core-filter-cmpt>
+	</div>
+	`
+}

public/js/components/Calendar/Mode/Week.js

@@ -87,6 +87,7 @@ export default {
 				// default: Set current-date
 				this.$emit('update:currentDate', evt.detail.value);
 				break;
+			//TODO (david) prüfen notwendig? wird in Base abgefangen
 			case 'event':
 				// default: Request Modal
 				this.$emit('requestModalOpen', { event: evt.detail.value });

public/js/components/Calendar/Mode/Week/View.js

@@ -2,6 +2,8 @@ import CalendarGrid from '../../Base/Grid.js';
 import LabelDay from '../../Base/Label/Day.js';
 import LabelDow from '../../Base/Label/Dow.js';
 import LabelTime from '../../Base/Label/Time.js';
+import FormInput from "../../../Form/Input.js";
+
 
 export default {
 	name: "WeekView",
@@ -9,11 +11,13 @@ export default {
 		CalendarGrid,
 		LabelDay,
 		LabelDow,
-		LabelTime
+		LabelTime,
+		FormInput
 	},
 	inject: {
 		timeGrid: "timeGrid",
-		timezone: "timezone"
+		timezone: "timezone",
+		hoursPlan: { from: "hoursPlan", default: null },
 	},
 	props: {
 		day: {
@@ -22,6 +26,11 @@ export default {
 		},
 		collapseEmptyDays: Boolean
 	},
+	data() {
+		return {
+			visibleDays: JSON.parse(localStorage.getItem('fhc-calender-visible-days')) ?? [true, true, true, true, true, true, true]
+		}
+	},
 	computed: {
 		start() {
 			return this.day.startOf('week', { useLocaleWeeks: true });
@@ -39,14 +48,23 @@ export default {
 					};
 				});
 			} else {
-				// create 07:00-23:00
-				return Array.from({ length: 17 }, (e, i) => luxon.Duration.fromObject({ hours: i + 7 }));
+				const start = this.hoursPlan?.start ?? 7;
+				const end = this.hoursPlan?.end ?? 23;
+				return Array.from({ length: end - start + 1 }, (e, i) => luxon.Duration.fromObject({ hours: i + start }));
 			}
+		},
+		dayVisibility() {
+			return this.axisMain.map(date => this.visibleDays[date.weekday -1])
 		}
 	},
 	methods: {
 		isToday(date) {
 			return date.hasSame(luxon.DateTime.now().setZone(this.timezone), 'day');
+		},
+		toggleDay(day)
+		{
+			this.visibleDays.splice(day, 1, !this.visibleDays[day])
+			localStorage.setItem('fhc-calender-visible-days', JSON.stringify(this.visibleDays))
 		}
 	},
 	template: /* html */`
@@ -58,9 +76,10 @@ export default {
 			:axis-main-collapsible="collapseEmptyDays"
 			:snap-to-grid="!!timeGrid"
 			all-day-events
+			:day-visibility="dayVisibility"
 		>
-			<template #main-header="{ date }">
-				<div :class="{ today: isToday(date) }">
+			<template #main-header="{ date, index }">
+				<div :class="{ today: isToday(date) }" class="d-flex flex-column align-items-center">
 					<label-dow
 						v-bind="{ date }"
 						@cal-click="evt => evt.detail.source = 'day'"
@@ -68,6 +87,13 @@ export default {
 					<label-day
 						v-bind="{ date }"
 					/>
+					<form-input
+	 					type="checkbox"
+	 					:checked="visibleDays[date.weekday - 1]"
+	 					@change="toggleDay(date.weekday - 1)"
+	 					@click.stop
+	 				>
+		 			</form-input>
 				</div>
 			</template>
 			<template #part-header="{ part }">

public/js/components/Calendar/Tempus.js

@@ -0,0 +1,311 @@
+import FhcCalendar from "./Base.js";
+
+import { useEventLoader } from '../../composables/EventLoader.js';
+
+import ModeWeek from './Mode/Week.js';
+import ModeMonth from './Mode/Month.js';
+import ModeTable from './Mode/Table.js';
+import ApiKalender from '../../api/factory/tempus/kalender.js';
+import draggable from '../../directives/draggable.js';
+
+
+export default {
+	name: "CalendarTempus",
+	components: {
+		FhcCalendar
+	},
+	inject: {
+		renderers: {from: 'renderers'},
+		canToggleGrid: {
+			from: 'canToggleGrid',
+			default: false
+		},
+		appConfig: {
+			from: 'appConfig',
+			default: {
+				visible_status: 'all'
+			}
+		}
+	},
+	directives: {
+		draggable,
+	},
+	provide() {
+		return {
+			showRaster: Vue.computed(() => this.showRaster),
+			teachingunits: Vue.computed(() => this.teachingunits),
+		}
+	},
+	props: {
+		timezone: {
+			type: String,
+			required: true
+		},
+		date: {
+			type: [Date, String, Number, luxon.DateTime],
+			default: luxon.DateTime.local()
+		},
+		mode: {
+			type: String,
+			default: 'Week'
+		},
+		getPromiseFunc: {
+			type: Function,
+			required: true
+		},
+		parkedEvents: {
+			type: Object,
+			default: () => new Set()
+		},
+		visibleLecturers: {
+			type: Array,
+			default: null
+		},
+		extraBackgrounds: {
+			type: Array,
+			default: () => []
+		},
+		visibleStatus: {
+			type: Array,
+			default: () => ['all']
+		},
+		showEvents: {
+			type: Boolean,
+			default: true
+		}
+	},
+	emits: [
+		"update:date",
+		"update:mode",
+		"update:range",
+		"update:date-range",
+		"drop",
+		"resize",
+		"event-hover",
+		"event-unhover",
+		"open-reservierung"
+	],
+
+	data() {
+		return {
+			modes: {
+				week: Vue.markRaw(ModeWeek),
+				month: Vue.markRaw(ModeMonth),
+				tableList: Vue.markRaw(ModeTable),
+			},
+			modeOptions: {
+				day: {
+					emptyMessage: Vue.computed(() => this.$p.t('lehre/noLvFound')),
+					emptyMessageDetails: Vue.computed(() => this.$p.t('lehre/noLvFound'))
+				},
+				week: {
+					collapseEmptyDays: false
+				}
+			},
+			currentMode: this.mode,
+			teachingunits: null,
+			hoursplan: null,
+			showRaster: true,
+		};
+	},
+	computed: {
+		backgrounds() {
+			let now = luxon.DateTime.now().setZone(this.timezone);
+
+			let past = [];
+			if (this.mode == 'Month')
+			{
+				past = [{
+					class: 'background-past',
+					end: now.startOf('day')
+				}];
+			}
+			else
+			{
+				past = [{
+					class: 'background-past',
+					end: now,
+					label: now.startOf('minute').toISOTime({ suppressSeconds: true, includeOffset: false })
+				}];
+			}
+
+			return [
+				...past,
+				...(this.extraBackgrounds || [])
+			];
+		},
+		visibleEvents()
+		{
+			let list = this.events;
+
+			if (Array.isArray(this.visibleLecturers))
+			{
+				const visibleLectures = new Set(this.visibleLecturers);
+
+				list = list.filter(event => {
+					if (!event.lektor?.length)
+						return true;
+					return event.lektor.some(lektor => visibleLectures.has(lektor.mitarbeiter_uid));
+				});
+			}
+
+			if (!this.visibleStatus.length || this.visibleStatus.includes('all'))
+				return list;
+
+			return list.filter(event => this.visibleStatus.includes(event.status_kurzbz));
+		},
+	},
+	methods: {
+		eventStyle(event) {
+			if (!event.farbe)
+				return undefined;
+			return '--event-bg:#' + event.farbe;
+		},
+		updateRange(rangeInterval) {
+			if (this.currentMode === 'tableList')
+				return;
+
+			this.rangeInterval = rangeInterval;
+			this.$emit('update:range', rangeInterval);
+		},
+		handleDateRange({ start, end }) {
+			this.rangeInterval = luxon.Interval.fromDateTimes(start.startOf('day'), end.endOf('day'));
+			this.reset();
+			this.$emit('update:range', this.rangeInterval);
+			this.$emit('update:date-range', { start, end });
+		},
+		ondrop(payload){
+			this.$emit('drop', payload);
+		},
+		onresize(payload){
+			this.$emit('resize', payload);
+		},
+		resetEventLoader() {
+			this.reset();
+		},
+		navigatePrev() {
+			this.$refs.calendar.clickPrev();
+		},
+		navigateNext() {
+			this.$refs.calendar.clickNext();
+		},
+	},
+	setup(props, context) {
+		const rangeInterval = Vue.ref(null);
+
+		const { events, lv, reset } = useEventLoader(rangeInterval, props.getPromiseFunc);
+
+		Vue.watch(lv, newValue => {
+			context.emit('update:lv', newValue);
+		});
+
+		return {
+			rangeInterval,
+			events,
+			lv,
+			reset
+		};
+	},
+
+	created() {
+		this.$api
+			.call(ApiKalender.getStunden())
+			.then(res => {
+				return this.teachingunits = res.data.map(el => ({
+					id: el.stunde,
+					start: el.beginn,
+					end: el.ende
+				}));
+			});
+
+		this.$api
+			.call(ApiKalender.getCalendarHours())
+			.then(res => {
+				this.hoursplan = {
+					start: res.data.start,
+					end: res.data.end
+				};
+			});
+	},
+	template: /* html */`
+	<fhc-calendar
+		ref="calendar"
+		class="fhc-calendar-lvplan"
+		:date="date"
+		:modes="modes"
+		:mode-options="modeOptions"
+		:mode="mode"
+		:timezone="timezone"
+		:locale="$p.user_locale.value"
+		:events="visibleEvents || []"
+		:backgrounds="backgrounds"
+		:time-grid="showRaster ? teachingunits : null"
+		:hours-plan="hoursplan"
+		show-btns
+		:draggable-events="true"
+		:resizable-events="true"
+		:on-drop="currentMode === 'week' ? ondrop : null"
+		:on-resize="onresize"
+		@update:date="(newDate, newMode) => $emit('update:date', newDate, newMode)"
+		@update:mode="(newMode, newDate) => { currentMode = newMode; $emit('update:mode', newMode, newDate) }"
+		@update:range="updateRange"
+		@update:date-range="handleDateRange"
+	>
+		<template v-slot="{ event, mode }">
+			<div
+				:class="['event-type-' + event.type + ' ' + mode + 'PageContainer', { 'event--parked': parkedEvents.has(String(event.kalender_id)) }, {'event--opacity': !showEvents}]"
+				:type="mode == 'day' ? 'button' : undefined"
+ 				:style="eventStyle(event)"
+				@mouseenter="$emit('event-hover', event)"
+				@mouseleave="$emit('event-unhover', event)"
+			>
+				<component
+					v-if="mode == 'event'"
+					:is="renderers[event.type]?.modalContent"
+					:event="event"
+				></component>
+				<component
+					v-else-if="mode == 'eventheader'"
+					:is="renderers[event.type]?.modalTitle"
+					:event="event"
+				></component>
+				<component
+					v-else
+					:is="renderers[event.type]?.calendarEvent"
+					:event="event"
+				></component>
+			</div>
+		</template>
+		<template #actions>
+			<div class="d-flex align-items-center gap-2">
+				<div 
+					class="d-flex align-items-center gap-2" 
+					style="cursor:pointer"
+					@click="showRaster = !showRaster"
+					v-if="canToggleGrid"
+				>
+					<i :class="showRaster ? 'fa-solid fa-toggle-on text-primary' : 'fa-solid fa-toggle-off text-muted'"></i>
+					<span class="form-check-label">Stundenraster</span>
+				</div>
+				<div
+					class="d-flex align-items-center gap-2 "
+					v-draggable:move.noimage="{ type: 'reservierung', id: null, orig: {} }"
+					data-cy="reservationDragHandle"
+				>
+					<i 
+						class="fa-solid fa-calendar-plus text-primary" 
+						style="cursor:pointer"
+						@click.stop="$emit('open-reservierung')"
+					></i>
+					<span>Reservierung</span>
+				</div>
+				<div class="d-flex align-items-center gap-2">
+					<i :class="appConfig.ignore_kollision ? 'fa-solid fa-triangle-exclamation text-danger' : 'fa-solid fa-circle-check text-success'"></i>
+					<span class="form-check-label">
+						{{ appConfig.ignore_kollision ? 'Kollisionscheck aus' : 'Kollisionscheck an' }}
+					</span>
+				</div>
+			</div>
+		</template>
+	</fhc-calendar>`
+}

public/js/components/Cis/LvPlan/MyLvPlan.js

@@ -1,6 +1,7 @@
 import FhcCalendar from "../../Calendar/LvPlan.js";
 
 import ApiLvPlan from '../../../api/factory/lvPlan.js';
+import ApiStudienSemester from '../../../api/factory/studiensemester.js';
 import ApiAuthinfo from '../../../api/factory/authinfo.js';
 
 export const DEFAULT_MODE_LVPLAN_DESKTOP = "Week";
@@ -16,13 +17,12 @@ export default {
 	},
 	data() {
 		return {
-			studiensemester_kurzbz: null,
-			studiensemester_start: null,
-			studiensemester_ende: null,
 			uid: null,
 			isMitarbeiter: false,
 			isStudent: false,
 			timezone: FHC_JS_DATA_STORAGE_OBJECT.timezone,
+			startSemester: null,
+			endSemester: null,
 		};
 	},
 	inject: ["isMobile"],
@@ -48,9 +48,12 @@ export default {
 			return this.propsViewData?.mode;
 		},
 		downloadLinks() {
-			if (!this.studiensemester_start || !this.studiensemester_ende || !this.uid)
-				return false;
+			const startDate = this.startSemester?.start;
+			const endDate = this.endSemester ? this.endSemester.ende : this.startSemester?.ende;
 
+			if (!startDate || !endDate || !this.uid)
+				return false;
+			
 			let type = false;
 			type = this.isStudent ? 'student' : type;
 			type = this.isMitarbeiter ? 'lektor' : type;
@@ -61,10 +64,10 @@ export default {
 
 			const opts = { zone: this.timezone };
 			const start = luxon.DateTime
-				.fromISO(this.studiensemester_start, opts)
+				.fromISO(startDate, opts)
 				.toUnixInteger();
 			const ende = luxon.DateTime
-				.fromISO(this.studiensemester_ende, opts)
+				.fromISO(endDate, opts)
 				.toUnixInteger();
 
 			const download_link = FHC_JS_DATA_STORAGE_OBJECT.app_root
@@ -109,16 +112,21 @@ export default {
 				}
 			});
 		},
-		updateRange(rangeInterval) {
-			this.$api
-				.call(ApiLvPlan.studiensemesterDateInterval(
-					rangeInterval.end.startOf('week').toISODate()
-				))
-				.then(res => {
-					this.studiensemester_kurzbz = res.data.studiensemester_kurzbz;
-					this.studiensemester_start = res.data.start;
-					this.studiensemester_ende = res.data.ende;
-				});
+		async updateRange(rangeInterval) {
+			const semesterResponse = await this.$api.call(
+				ApiStudienSemester.getContainingOrNearestByDateRange(
+					rangeInterval.s.toISO().slice(0, 10),
+					rangeInterval.e.toISO().slice(0, 10),
+				),
+			);
+			this.startSemester = 
+				semesterResponse.data.length
+					? semesterResponse.data[0]
+					: null;
+			this.endSemester =
+				semesterResponse.data.length > 1
+					? semesterResponse.data[1]
+					: null;
 		},
 		getPromiseFunc(start, end) {
 			return [
@@ -142,8 +150,11 @@ export default {
 	<div class="cis-lvplan-personal d-flex flex-column h-100">
 		<h2>
 			{{ $p.t('lehre/stundenplan') }}
-			<span v-if="studiensemester_kurzbz" class="ps-3">
-				{{ studiensemester_kurzbz }}
+			<span v-if="startSemester?.studiensemester_kurzbz">
+				{{ startSemester.studiensemester_kurzbz }}
+				<span v-if="endSemester?.studiensemester_kurzbz">
+					{{ "- " + endSemester.studiensemester_kurzbz }}
+				</span>
 			</span>
 		</h2>
 		<hr>

public/js/components/Cis/LvPlan/OtherLvPlan.js

@@ -5,6 +5,7 @@ import FhcCalendar from "../../Calendar/LvPlan.js";
 import ApiLvPlan from "../.././../api/factory/lvPlan.js";
 import ApiOtherLvPlan from "../.././../api/factory/otherLvPlan.js";
 import ApiAuthinfo from "../../../api/factory/authinfo.js";
+import ApiStudienSemester from '../../../api/factory/studiensemester.js';
 
 export const DEFAULT_MODE_LVPLAN_DESKTOP = "Week";
 export const DEFAULT_MODE_LVPLAN_MOBILE = "List";
@@ -22,9 +23,6 @@ export default {
 	data() {
 		return {
 			localProps: {},
-			studiensemester_kurzbz: null,
-			studiensemester_start: null,
-			studiensemester_ende: null,
 			isOtherPersonMitarbeiter: false,
 			isOtherPersonStudent: false,
 			currentStgBezeichnung: null,
@@ -36,6 +34,8 @@ export default {
 				photo: "",
 			},
 			timezone: FHC_JS_DATA_STORAGE_OBJECT.timezone,
+			startSemester: null,
+			endSemester: null,
 		};
 	},
 	inject: ["isMobile"],
@@ -67,11 +67,10 @@ export default {
 			// do not show download links in otherLvPlan Mode
 			return false;
 
-			if (
-				!this.studiensemester_start ||
-				!this.studiensemester_ende ||
-				!this.propsViewData.otherUid
-			)
+			const startDate = this.startSemester?.start;
+			const endDate = this.endSemester ? this.endSemester.ende : this.startSemester?.ende;
+
+			if (!startDate || !endDate || !this.uid)
 				return false;
 
 			const type = this.isOtherPersonStudent
@@ -84,11 +83,11 @@ export default {
 
 			const opts = { zone: this.timezone };
 			const start = luxon.DateTime.fromISO(
-				this.studiensemester_start,
+				startDate,
 				opts,
 			).toUnixInteger();
 			const ende = luxon.DateTime.fromISO(
-				this.studiensemester_ende,
+				endDate,
 				opts,
 			).toUnixInteger();
 
@@ -166,19 +165,21 @@ export default {
 				},
 			});
 		},
-		updateRange(rangeInterval) {
-			this.$api
-				.call(
-					ApiLvPlan.studiensemesterDateInterval(
-						rangeInterval.end.startOf("week").toISODate(),
-					),
-				)
-				.then((res) => {
-					this.studiensemester_kurzbz =
-						res.data.studiensemester_kurzbz;
-					this.studiensemester_start = res.data.start;
-					this.studiensemester_ende = res.data.ende;
-				});
+		async updateRange(rangeInterval) {
+			const semesterResponse = await this.$api.call(
+				ApiStudienSemester.getContainingOrNearestByDateRange(
+					rangeInterval.s.toISO().slice(0, 10),
+					rangeInterval.e.toISO().slice(0, 10),
+				),
+			);
+			this.startSemester = 
+				semesterResponse.data.length
+					? semesterResponse.data[0]
+					: null;
+			this.endSemester =
+				semesterResponse.data.length > 1
+					? semesterResponse.data[1]
+					: null;
 		},
 		getPromiseFunc(start, end) {
 			return [
@@ -250,8 +251,14 @@ export default {
     <div class="d-flex flex-column h-100">
         <h2>
             <div class="d-flex flex-row justify-content-between align-items-center">
-			          <span>    
-                    {{ $p.t('lehre/stundenplan') + (studiensemester_kurzbz ? " " + studiensemester_kurzbz : "") }}
+			    <span>
+                    {{ $p.t('lehre/stundenplan') }}
+					<span v-if="startSemester?.studiensemester_kurzbz">
+						{{ startSemester.studiensemester_kurzbz }}
+						<span v-if="endSemester?.studiensemester_kurzbz">
+							{{ "- " + endSemester.studiensemester_kurzbz }}
+						</span>
+			</span>
                 </span>
                 <div @click="this.$router.push({name: 'ProfilView', params: {uid: propsViewData.otherUid}})" type="button" class="d-flex flex-row align-items-center gap-3">
                     <span v-if="otherPersonData.fullNameWithTitle?.length">

public/js/components/Cis/Menu.js

@@ -186,7 +186,7 @@ export default {
 		</div>
 	</div>
 
-    <nav id="nav-main" class="offcanvas offcanvas-start" tabindex="-1" aria-labelledby="nav-main-btn" data-bs-backdrop="false">
+    <nav id="nav-main" class="cis-main-menu offcanvas offcanvas-start" tabindex="-1" aria-labelledby="nav-main-btn" data-bs-backdrop="false">
 		<div id="nav-main-sticky">
 			<div class="d-flex flex-row h-100">
 				<div class="offcanvas-body p-0">

public/js/components/Cis/Menu/Entry.js

@@ -162,6 +162,7 @@ export default {
 			<div class="btn-group w-100">
  				<a :target="target" 
  					:href="(entry.menu_open && hasFullLink) ? entry.url : null"
+					draggable="false"
 					@click="toggleCollapse"
                     :class="{
                         'btn btn-default rounded-0 text-start': true,
@@ -180,12 +181,15 @@ export default {
             </div>
             <ul ref="children"
                 class="nav w-100 collapse">
-                <cis-menu-entry :highestMatchingUrlCount="highestMatchingUrlCount" :activeContent="activeContent" v-for="child in entry.childs" :key="child" :entry="child" :level="level + 1"/>
+				<li>
+					<cis-menu-entry :highestMatchingUrlCount="highestMatchingUrlCount" :activeContent="activeContent" v-for="child in entry.childs" :key="child" :entry="child" :level="level + 1"/>
+				</li>
             </ul>
         </template>
 		<a v-else
             :href="entry.url"
             :target="target"
+			draggable="false"
             :class="{
                 'btn btn-default rounded-0 w-100 text-start': true,
                 ['btn-level-' + level]: true,