BUG: Fixed relationships in kalender seeders

Shared modal components (time, room, collision, tags, participants)
Jump to collisions
Fix: semester 0 for Lehrverband groups

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/Cis/Documents.php

@@ -20,12 +20,8 @@ class Documents extends Auth_Controller
 			'download' => [self::PERM_LOGGED]
 		]);
 
-		// Load models
 		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
 
-		// Load libraries
-		$this->load->library('AkteLib');
-
 		$this->loadPhrases([
 			'global',
 			'tools'
@@ -116,12 +112,10 @@ class Documents extends Auth_Controller
 
 		$selfservice = null;
 		if (!defined('CIS_DOKUMENTE_SELFSERVICE') || CIS_DOKUMENTE_SELFSERVICE) {
+			$this->load->model('crm/Akte_model', 'AkteModel');
 			$selfservice = [];
 			foreach ($person_ids as $person_id) {
-				$result = $this->aktelib->getByPersonId(
-					$person_id,
-					true
-				);
+				$result = $this->AkteModel->getArchiv($person_id, null, true);
 				if (isError($result))
 					return $this->load->view('errors/html/error_db.php', [
 						'heading' => 'Database Error',
@@ -153,13 +147,14 @@ class Documents extends Auth_Controller
 		if (!is_numeric($akte_id))
 			return show_404();
 
-		$result = $this->aktelib->getByAkteId($akte_id);
+		$this->load->model('crm/Akte_model', 'AkteModel');
+		$result = $this->AkteModel->load($akte_id);
 		if (isError($result))
 			return show_error(getError($result));
 		$akte = getData($result);
 		if (!$akte)
 			return show_404();
-		$akte = reset($akte);
+		$akte = current($akte);
 
 		$admin_access = false;
 		if ($uid !== null && $this->permissionlib->isBerechtigt('admin')) {

application/controllers/Cis/ProfilUpdate.php

@@ -64,7 +64,7 @@ class ProfilUpdate extends Auth_Controller
 			{
 				// Get file to be downloaded from DMS
 				$newFilename = $this->uid . "/document_" . $dms_id;
-				$download = $this->dmslib->getOutputFileInfo($dms_id);
+				$download = $this->dmslib->download($dms_id);
 				if (isError($download))
 					return $download;
 
@@ -84,4 +84,3 @@ class ProfilUpdate extends Auth_Controller
 		}
 	}
 }
-

application/controllers/Cis/Pub.php

@@ -29,15 +29,11 @@ class Pub extends Auth_Controller
 	 */
 	public function bild($source, $id)
 	{
-		$person_id_user = getAuthPersonId();
-		$serverzugriff = false;
-		// Default Bild (Dummy Profilbild)
-		$outputFileName = FHCPATH . 'skin/images/profilbild_dummy.jpg';
-		$outputFileContent = '';
-		$mimetype = 'application/jpeg';
-
 		$this->load->model('person/Person_model', 'PersonModel');
 
+		$person_id_user = '';
+		$serverzugriff = false;
+
 		// Wenn das Bild direkt aufgerufen wird, ist eine Authentifizierung erforderlich
 		// Wenn es vom Server selbst aufgerufen wird, ist keine Auth. notwendig
 		// (z.B. fuer die Erstellung von PDFs)
@@ -49,27 +45,31 @@ class Pub extends Auth_Controller
 					'zugangscode' => $_SESSION['incoming/user']
 				]);
 				if (hasData($result))
-					$person_id_user = getData($result)[0]->person_id;
+					$person_id_user = current(getData($result))->person_id;
 			} elseif (isset($_SESSION['prestudent/user'])) { // Von Prestudententool
 				$result = $this->PersonModel->loadWhere([
 					'zugangscode' => $_SESSION['prestudent/user']
 				]);
 				if (hasData($result))
-					$person_id_user = getData($result)[0]->person_id;
+					$person_id_user = current(getData($result))->person_id;
 			} elseif (isset($_SESSION['bewerbung/personId'])) { // Von Bewerbungstool
 				$person_id_user = $_SESSION['bewerbung/personId'];
+			} else {
+				$person_id_user = getAuthPersonId();
 			}
 		} else {
 			$serverzugriff = true;
 		}
 
-		// If the picture is from the person table
-		if ($source == 'person' && is_numeric($id)) {
+		// Default Bild (Dummy Profilbild)
+		$cTmpHEX = base64_encode(file_get_contents(FHCPATH . 'skin/images/profilbild_dummy.jpg'));
+
+		if ($source == 'person' && $id) {
 			$foto_gesperrt = false;
 			// Person laden und Fotosperre überprüfen
 			$result = $this->PersonModel->load($id);
 			if (hasData($result)) {
-				$person = getData($result)[0];
+				$person = current(getData($result));
 				if ($person->foto_sperre) {
 					// Wenn der User selbst darauf zugreift darf er das Bild sehen
 					$foto_gesperrt = ($person_id_user != $id);
@@ -77,57 +77,91 @@ class Pub extends Auth_Controller
 					$foto_gesperrt = true;
 				}
 
-				if (!isEmptyString($person->foto) && !$foto_gesperrt) {
-					$outputFileContent = base64_decode($person->foto);
+				if ($person->foto && !$foto_gesperrt) {
+					$cTmpHEX = base64_decode($person->foto);
 				}
 			}
 		}
-
-		// If the picture is from the akte/dms
-		if($source == 'akte' && is_numeric($id))
+		if($source == 'akte' && $id != '')
 		{
-			$mimetype = '';
-			$this->load->library('AkteLib');
+			$this->load->model('crm/Akte_model', 'AkteModel');
 
-			$akteResult = $this->aktelib->getByAkteId($id, 'Lichtbil');
+			$this->AkteModel->addJoin('public.tbl_person', 'person_id');
+			$result = $this->AkteModel->loadWhere([
+				'person_id' => $id,
+				'dokument_kurzbz' => 'Lichtbil'
+			]);
 
-			if (hasData($akteResult)) {
+			if (hasData($result)) {
 				$foto_gesperrt = false;
-				$akte = getData($akteResult)[0];
 
-				$personResult = $this->PersonModel->load($akte->person_id);
-				if (hasData($personResult)) {
-					$person = getData($personResult)[0];
-					if ($person->foto_sperre) {
-						$foto_gesperrt = ($person_id_user != $id);
-					} elseif (!$person_id_user && !$serverzugriff) {
-						$foto_gesperrt = true;
-					}
+				$akte = current(getData($result));
+				if ($akte->foto_sperre) {
+					// Wenn der User selbst darauf zugreift darf er das Bild sehen
+					$foto_gesperrt = ($person_id_user != $id);
+				} elseif (!$person_id_user && !$serverzugriff) {
+					$foto_gesperrt = true;
 				}
 
 				// Wenn das Foto nicht im Inhalt steht wird aus aus dem DMS geladen
-				if (!isEmptyString($akte->inhalt)) {
-					$outputFileContent = base64_decode($akte->inhalt);
-					$mimetype = $akte->mimetype;
+				if (!$akte->inhalt && $akte->dms_id) {
+					$this->load->model('content/Dms_model', 'DmsModel');
+					$this->load->model('content/DmsVersion_model', 'DmsVersionModel');
+
+					$this->DmsModel->addJoin('campus.tbl_dms_version', 'dms_id');
+					$this->DmsModel->addOrder('version', 'DESC');
+					$this->DmsModel->addLimit(1);
+					$result = $this->DmsModel->load($akte->dms_id);
+
+					if (!hasData($result))
+						die('Kein Dokument vorhanden');
+
+					$dms = current(getData($result));
+
+					$filename = DMS_PATH . $dms->filename;
+
+					$this->DmsVersionModel->update([
+						'dms_id' => $dms->dms_id,
+						'version' => $dms->version
+					], [
+						'letzterzugriff' => date('c')
+					]);
+
+					if (file_exists($filename)) {
+						$handle = fopen($filename, "r");
+						if ($handle) {
+							while (!feof($handle)) {
+								$akte->inhalt .= fread($handle, 8192);
+							}
+							fclose($handle);
+						} else {
+							echo 'Fehler: Datei konnte nicht geoeffnet werden';
+						}
+					} else {
+						echo 'Die Datei existiert nicht';
+					}
+				}
+
+				if ($akte->inhalt && !$foto_gesperrt) {
+					$cTmpHEX = $akte->inhalt;
 				}
 			}
 		}
 
-		// If file content is provided
-		if (!isEmptyString($outputFileContent))
-		{
-			// If a mimetype is still not found
-			if (isEmptyString($mimetype))
-			{
-				$fo = finfo_open();
-				$mimetype = finfo_buffer($fo, $outputFileContent, FILEINFO_MIME_TYPE);
-			}
-			$this->outputImageByContent($mimetype, $outputFileContent);
-		}
-		else // otherwise use the file
-		{
-			$this->outputImageByFile($mimetype, $outputFileName);
+		// die bilder werden, sofern es funktioniert, in jpg umgewandelt da es sonst zu fehlern beim erstellen
+		// von pdfs kommen kann.
+
+		$im = @imagecreatefromstring(base64_decode($cTmpHEX));
+		if ($im) {
+			@ob_clean();
+			header("Content-type: image/jpeg");
+			exit(imagejpeg($im));
+		} else {
+			// bei manchen Bildern funktioniert die konvertierung nicht
+			// diese werden dann einfach so angezeigt.
+			@ob_clean();
+			header("Content-type: image/gif");
+			exit($cTmpHEX);
 		}
 	}
 }
-

application/controllers/Documents.php

@@ -143,7 +143,7 @@ class Documents extends Auth_Controller
 
 			$result = $this->VorlagestudiengangModel->getCurrent($xsl, $xsl_oe_kurzbz, $version);
 			if (isError($result))
-				show_error(getError($result));
+				return show_error(getError($result));
 			if (!hasData($result))
 				return show_404();
 			
@@ -226,13 +226,13 @@ class Documents extends Auth_Controller
 
 		$result = $this->VorlageModel->load($xsl);
 		if (isError($result))
-			show_error(getError($result));
+			return show_error(getError($result));
 		if (!hasData($result))
 			show_404();
 		
 		$vorlage = current(getData($result));
 		if ($sign_user && !$vorlage->signierbar)
-			show_error($this->p->t("stv", "grades_error_sign"));
+			return show_error($this->p->t("stv", "grades_error_sign"));
 
 		
 		// Filename
@@ -284,23 +284,11 @@ class Documents extends Auth_Controller
 		// XML Data
 		$result = $this->documentexportlib->getDataURL($xml, $params);
 		if (isError($result))
-			show_error(getError($result));
+			return show_error(getError($result));
 
 		$data = getData($result);
 
-		// Get the content
-		$contentResult = $this->documentexportlib->getContent($filename, $vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
-
-		// If an error occurred
-		if (isError($contentResult)) show_error(getError($contentResult));
-
-		$fileObj = new stdClass();
-		$fileObj->file_content = getData($contentResult);
-		$fileObj->name = $filename;
-		$fileObj->mimetype = isEmptyString($vorlage->mimetype) ? 'application/pdf' : $vorlage->mimetype;
-		$fileObj->disposition = 'attachment';
-
-		// Download
-		$this->outputFile($fileObj);
+		// Output
+		$this->documentexportlib->showContent($filename, $vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
 	}
 }

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/Documents.php

@@ -51,8 +51,6 @@ class Documents extends FHCAPI_Controller
 		$this->loadPhrases([
 			'stv'
 		]);
-
-		$this->load->library('DocumentExportLib');
 	}
 
 	/**
@@ -102,11 +100,23 @@ class Documents extends FHCAPI_Controller
 	{
 		$akteExportData = $this->_getAkteExportData($xml, $xsl, $sign_user);
 
-		$akteData = $akteExportData['akteData'];
-		$exportData = $akteExportData['exportData'];
+		$akteData = $akteData['akteData'];
+		$exportData = $akteData['exportData'];
+
+		/**
+		 *				[
+					'vorlage' => $vorlage,
+					'xml_data' => $data,
+					'oe_kurzbz' => $xsl_oe_kurzbz,
+					'version' => $version,
+					'outputformat' => $outputformat,
+					'sign_user' => $sign_user
+				]
+		 */
 
 		// Output
-		$contentResult = $this->documentexportlib->getContent(
+		$result = $this->documentexportlib->showContent(
+			$akteData['akteData']['inhalt'],
 			$exportData['vorlage'],
 			$exportData['xml_data'],
 			$exportData['oe_kurzbz'],
@@ -115,9 +125,7 @@ class Documents extends FHCAPI_Controller
 			$exportData['sign_user']
 		);
 
-		$content = $this->getDataOrTerminateWithError($contentResult);
-
-		$this->terminateWithFileOutput($akteData['mimetype'], $content, $akteData['titel'] . '.pdf');
+		$this->terminateWithSuccess(true);
 	}
 
 	/**
@@ -153,10 +161,12 @@ class Documents extends FHCAPI_Controller
 			$this->load->library('form_validation');
 			if (!$xml) {
 				$xml = $this->input->post_get('xml');
+				$this->addMeta('xml', $xml);
 				$this->form_validation->set_rules('xml', 'xml', 'required');
 			}
 			if (!$xsl) {
 				$xsl = $this->input->post_get('xsl');
+				$this->addMeta('xsl', $xsl);
 				$this->form_validation->set_rules('xsl', 'xsl', 'required');
 			}
 
@@ -455,13 +465,18 @@ class Documents extends FHCAPI_Controller
 		if ($sign_user && !$vorlage->signierbar)
 			$this->terminateWithError($this->p->t("stv", "grades_error_sign"));
 
+
+		$this->load->library('DocumentExportLib');
+
 		// XML Data
 		$result = $this->documentexportlib->getDataURL($xml, $params);
 		$data = $this->getDataOrTerminateWithError($result);
 		$this->documentexportlib->addArchiveToData($data);
-		$contentResult = $this->documentexportlib->getContent($vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
 
-		$content = $this->getDataOrTerminateWithError($contentResult);
+		// Output
+		$result = $this->documentexportlib->getContent($vorlage, $data, $xsl_oe_kurzbz, $version, $outputformat, $sign_user);
+
+		$content = $this->getDataOrTerminateWithError($result);
 		$akteData['titel'] .= '.pdf';
 		$akteData['inhalt'] = base64_encode($content);
 
@@ -479,4 +494,3 @@ class Documents extends FHCAPI_Controller
 		];
 	}
 }
-

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/ProfilUpdate.php

@@ -136,7 +136,7 @@ class ProfilUpdate extends FHCAPI_Controller
 				$this->uid == $profil_update->uid
 			) {
 				// Get file to be downloaded from DMS
-				$download = $this->dmslib->getOutputFileInfo($dms_id);
+				$download = $this->dmslib->download($dms_id);
 				$download = $this->getDataOrTerminateWithError($download);
 				// Download file
 				$this->outputFile($download);
@@ -456,28 +456,24 @@ class ProfilUpdate extends FHCAPI_Controller
 			$_FILES['files']['error'] = $files['error'][$i];
 			$_FILES['files']['size'] = $files['size'][$i];
 
-			// File upload
-			$uploadDataResult = $this->uploadFile('files', array('jpg', 'png', 'pdf'));
-			if (isError($uploadDataResult)) $this->addError(getError($uploadDataResult));
-			if (!hasData($uploadDataResult)) $this->addError('Upload failed');
+			$dms = [
+				"kategorie_kurzbz" => "profil_aenderung",
+				"version" => 0,
+				"name" => $_FILES['files']['name'],
+				"mimetype" => $_FILES['files']['type'],
+				"beschreibung" => $this->uid . " Profil Änderung",
+				"insertvon" => $this->uid,
+				"insertamum" => "NOW()",
+			];
 
-			if (hasData($uploadDataResult))
-			{
-				// Add file to the DMS (DB + file system)
-				$dms_res = $this->dmslib->add(
-					getData($uploadDataResult)['file_name'],
-                        	        getData($uploadDataResult)['file_type'],
-                        	        fopen(getData($uploadDataResult)['full_path'], 'r'),
-                        	        'profil_aenderung', // kategorie_kurzbz
-                        	        null, // dokument_kurzbz
-                        	        null, // beschreibung
-                        	        false, // cis_suche
-                        	        null, // schlagworte
-                        	        getAuthUID() // insertvon
-				);
-				$dms_res = $this->getDataOrTerminateWithError($dms_res);
-				array_push($res, $dms_res);
+			$tmp_res = $this->dmslib->upload($dms, 'files', array("jpg", "png", "pdf"));
+			
+			if(isError($tmp_res)){
+				$this->addError(getError($tmp_res));
 			}
+
+			$tmp_res = $this->getDataOrTerminateWithError($tmp_res);
+			array_push($res, $tmp_res);
 		}
 
 		$this->terminateWithSuccess($res);

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/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/studstatus/Unterbrechung.php

@@ -158,27 +158,19 @@ class Unterbrechung extends FHCAPI_Controller
 		if (isset($_FILES['attachment']) && (!isset($_FILES['attachment']['error']) || $_FILES['attachment']['error'] != UPLOAD_ERR_NO_FILE)) {
 			$this->load->library('DmsLib');
 
+			$dms = $this->config->item('unterbrechung_dms');
+			if (!count(array_filter($dms, function ($v) {
+				return $v !== null;
+			})))
+				$dms = ['kategorie_kurzbz' => 'Akte'];
+			$dms['version'] = 0;
 
-			$uploadDataResult = $this->uploadFile('attachment', $this->config->item('unterbrechung_dms_filetypes') ?: array('*'));
+			$allowed_filetypes = $this->config->item('unterbrechung_dms_filetypes') ?: ['*'];
+			$result = $this->dmslib->upload($dms, 'attachment', $allowed_filetypes);
 
-			$data = $this->getDataOrTerminateWithError($uploadDataResult);
-
-			// Add file to the DMS (DB + file system)
-			$dms_res = $this->dmslib->add(
-				getData($uploadDataResult)['file_name'],
-				getData($uploadDataResult)['file_type'],
-				fopen(getData($uploadDataResult)['full_path'], 'r'),
-				'studierendenantrag',
-				null, // dokument_kurzbz
-				null, // beschreibung
-				false, // cis_suche
-				null, // schlagworte
-				getAuthUID() // insertvon
-			);
-
-			$dms_data = $this->getDataOrTerminateWithError($dms_res);
-
-			$dms_id = $dms_data->dms_id;
+			$data = $this->getDataOrTerminateWithError($result);
+			
+			$dms_id = $data['dms_id'];
 		}
 
 		$result = $this->antraglib->createUnterbrechung($prestudent_id, $studiensemester, getAuthUID(), $grund, $datum_wiedereinstieg, $dms_id);

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

@@ -32,8 +32,8 @@ class Akte extends Auth_Controller
 			'download' => ['admin:w', 'assistenz:w'],
 		]);
 
-		// Load libraries
-		$this->load->library('AkteLib');
+		// Load models
+		$this->load->model('crm/Akte_model', 'AkteModel');
 	}
 
 	//------------------------------------------------------------------------------------------------------------------
@@ -49,22 +49,22 @@ class Akte extends Auth_Controller
 
 		if (!is_numeric($akte_id)) $this->terminateWithError('akte Id missing');
 
-		$akteResult = $this->aktelib->getByAkteId($akte_id);
+		$result = $this->AkteModel->load($akte_id);
 
-		if (!hasData($akteResult)) $this->terminateWithError('Akte not found');
+		if (!hasData($result)) $this->terminateWithError('Akte not found');
 
-		$data = getData($akteResult)[0];
+		$data = getData($result)[0];
 
-		if (!isEmptyString($data->inhalt))
+		if (isset($data->inhalt) && $data->inhalt != '')
 		{
-			$fileObj = new stdClass();
-			$fileObj->file_content = base64_decode($data->inhalt);
-			$fileObj->name = $data->filename;
-			$fileObj->mimetype = $data->mimetype;
-			$fileObj->disposition = 'attachment';
-
-			$this->outputFile($fileObj);
+			header('Content-Description: File Transfer');
+			header('Content-Type: '. $data->mimetype);
+			header('Expires: 0');
+			header('Cache-Control: must-revalidate');
+			header('Pragma: public');
+			header('Content-Disposition: attachment; filename="'.$data->titel.'"');
+			echo base64_decode($data->inhalt);
+			die();
 		}
 	}
 }
-

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

@@ -46,9 +46,6 @@ class Archiv extends FHCAPI_Controller
 		$this->load->model('crm/Akte_model', 'AkteModel');
 		$this->load->model('system/Vorlage_model', 'VorlageModel');
 
-		// Load libraries
-		$this->load->library('AkteLib');
-
 		// Load language phrases
 		$this->loadPhrases([
 			'archiv'
@@ -60,7 +57,7 @@ class Archiv extends FHCAPI_Controller
 
 	/**
 	 * Get archive documents for a person
-
+	 
 	 * @return void
 	 */
 	public function getArchiv()
@@ -77,11 +74,7 @@ class Archiv extends FHCAPI_Controller
 				$this->terminateWithValidationErrors($this->form_validation->error_array());
 		}
 
-		$result = $this->aktelib->getByPersonId(
-			$person_id,
-			null, // dokument_kurzbz
-			true // archiv
-		);
+		$result = $this->AkteModel->getArchiv($person_id);
 
 		$data = $this->getDataOrTerminateWithError($result);
 
@@ -101,6 +94,51 @@ class Archiv extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}
 
+	/**
+	 * 
+	 * @param
+	 * @return object success or error
+	 */
+	public function download()
+	{
+		$akte_id = $this->input->get('akte_id');
+
+		if (!is_numeric($akte_id)) $this->terminateWithError('akte Id missing');
+
+		$result = $this->AkteModel->load($akte_id);
+
+		if (!hasData($result)) $this->terminateWithError('Akte not found');
+
+		$data = getData($result)[0];
+
+		$fileObj = new stdClass();
+		if (isset($data->inhalt) && $data->inhalt != '')
+		{
+			// Define handle to output stream
+			$tmpFilePointer   = fopen("php://output", 'w');
+			$meta_data = stream_get_meta_data($tmpFilePointer);
+			$filename = $meta_data["uri"];
+			fwrite($tmpFilePointer, $data->inhalt);
+
+			header('Content-Description: File Transfer');
+			header('Content-Type: '. $data->mimetype);
+			header('Expires: 0');
+			header('Cache-Control: must-revalidate');
+			header('Pragma: public');
+			//header('Content-Length: ' . filesize($fileObj->file));
+			//header("Content-type: $data->mimetype");
+			header('Content-Disposition: attachment; filename="'.$data->titel.'"');
+			readfile($filename);
+			die();
+		}
+		else
+		{
+			$this->load->library('AkteLib');
+
+			$result = $this->aktelib->get($akte_id);
+		}
+	}
+
 	/**
 	 * Updating an Akte
 	 * @return void
@@ -155,7 +193,7 @@ class Archiv extends FHCAPI_Controller
 			$this->addMeta('content', base64_encode($content));
 		}
 
-
+		
 		foreach ($allowed as $field)
 			if ($this->input->post($field) !== null)
 				$data[$field] = $this->input->post($field);
@@ -210,7 +248,7 @@ class Archiv extends FHCAPI_Controller
 				'akte_id' => $akte_id
 			]));
 		}
-
+		
 		$result = $this->AkteModel->delete($akte_id);
 		if (isError($result)) $this->terminateWithError(getError($result));
 

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

@@ -27,8 +27,7 @@ class Dokumente extends FHCAPI_Controller
 		// Load Libraries
 		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
 		$this->load->library('form_validation');
-		$this->load->library('AkteLib');
-		$this->load->library('DmsLib');
+		$this->load->library('DmsLib', array('who' => getAuthUID()));
 
 		// Load language phrases
 		$this->loadPhrases([
@@ -185,7 +184,7 @@ class Dokumente extends FHCAPI_Controller
 				'titel_intern' => $this->input->post('titel_intern'),
 				'nachgereicht_am' => $nachgereicht_am,
 				'updateamum' => date('c'),
-				'updatevon' => getAuthUID(),
+				'updatevon' => $uid,
 			]
 		);
 
@@ -202,6 +201,8 @@ class Dokumente extends FHCAPI_Controller
 		if(!$dokument_kurzbz)
 			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Dokument_kurzbz']), self::ERROR_TYPE_GENERAL);
 
+		$uid = getAuthUid();
+
 		//check if more than 1 dokumentkurzbz
 		//if()
 
@@ -209,10 +210,10 @@ class Dokumente extends FHCAPI_Controller
 			[
 				'prestudent_id' => $prestudent_id,
 				'dokument_kurzbz' => $dokument_kurzbz,
-				'mitarbeiter_uid' => getAuthUID(),
+				'mitarbeiter_uid' => $uid,
 				'datum' => date('c'),
 				'insertamum' => date('c'),
-				'insertvon' =>  getAuthUID(),
+				'insertvon' =>  $uid,
 			]
 		);
 
@@ -235,6 +236,7 @@ class Dokumente extends FHCAPI_Controller
 		$nachgereicht = current($dataAkte)->nachgereicht;
 		$inhalt = current($dataAkte)->inhalt;
 		$inhaltVorhanden = $inhalt != '';
+		$uid = getAuthUid();
 
 		$this->db->trans_start();
 
@@ -248,15 +250,16 @@ class Dokumente extends FHCAPI_Controller
 			$logdata_dms = "Logdata: " . var_export($logdata_dms, true);
 
 			//delete from dmsLib
+			$this->load->library('DmsLib');
 			$person_id = current($dataAkte)->person_id;
-			$result = $this->aktelib->removeByPersonIdAndDmsId($person_id, $dms_id);
+			$result = $this->dmslib->delete($person_id, $dms_id);
 			$this->getDataOrTerminateWithError($result);
 
 			//LOGGING Dms ID
 			$this->load->model('system/Log_model', 'LogModel');
 			$result = $this->LogModel->insert([
 				'executetime' => date('c'),
-				'mitarbeiter_uid' => getAuthUID(),
+				'mitarbeiter_uid' => $uid,
 				'beschreibung' => "Löschen der DMS_ID ". $dms_id,
 				'sql' => $logdata_dms
 			]);
@@ -273,7 +276,7 @@ class Dokumente extends FHCAPI_Controller
 			//Logging Deletion Akte
 			$result = $this->LogModel->insert([
 				'executetime' => date('c'),
-				'mitarbeiter_uid' => getAuthUID(),
+				'mitarbeiter_uid' => $uid,
 				'beschreibung' => "Löschen der Akte ". $akte_id,
 				'sql' => "DELETE FROM public.tbl_akte WHERE akte_id=" .$akte_id. " LogData: ". $logdata_akte
 			]);
@@ -292,7 +295,7 @@ class Dokumente extends FHCAPI_Controller
 
 			$result = $this->LogModel->insert([
 				'executetime' => date('c'),
-				'mitarbeiter_uid' => getAuthUID(),
+				'mitarbeiter_uid' => $uid,
 				'beschreibung' => "Löschen der Akte ". $akte_id,
 				'sql' => "DELETE FROM public.tbl_akte WHERE akte_id=" .$akte_id. " LogData: ". $logdata_akte
 			]);
@@ -307,6 +310,7 @@ class Dokumente extends FHCAPI_Controller
 
 	public function uploadDokument()
 	{
+		$this->load->library('DmsLib');
 		$prestudent_id = $this->input->post('prestudent_id');
 		$anmerkung_intern = $this->input->post('anmerkung_intern');
 		$titel_intern = $this->input->post('titel_intern');
@@ -329,44 +333,34 @@ class Dokumente extends FHCAPI_Controller
 		}
 
 		$this->db->trans_start();
+		$uid = getAuthUID();
 
-		$uploadDataResult = $this->uploadFile('anhang', array('jpg', 'png', 'pdf'));
-		if (isError($uploadDataResult))
+		$dms = array(
+			'kategorie_kurzbz'  => 'Akte',
+			'version'           => 0,
+			'name'              => $_FILES['anhang']['name'],
+			'mimetype'          => $_FILES['anhang']['type'],
+			'insertamum'        => date('c'),
+			'insertvon'         => $uid
+		);
+
+		$result = $this->dmslib->upload($dms, 'anhang', array("jpg", "png", "pdf"));
+
+		if (isError($result))
 		{
-			return $this->terminateWithError(getError($uploadDataResult), self::ERROR_TYPE_GENERAL);
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
 		}
-
-		// If data exists
-		if (hasData($uploadDataResult))
-		{
-			// Add file to the DMS (DB + file system)
-			$dms_res = $this->dmslib->add(
-				getData($uploadDataResult)['file_name'],
-				getData($uploadDataResult)['file_type'],
-				fopen(getData($uploadDataResult)['full_path'], 'r'),
-				'Akte', // kategorie_kurzbz
-				null, // dokument_kurzbz
-				null, // beschreibung
-				false, // cis_suche
-				null, // schlagworte
-				getAuthUID() // insertvon
-			);
-		}
-
-		// Error occurred or data not found
-		if (isError($dms_res) || !hasData($dms_res)) $this->terminateWithError(getError($dms_res), self::ERROR_TYPE_GENERAL);
-
-		$dms_id = getData($dms_res)->dms_id;
+		$dms_id = $result->retval['dms_id'];
 
 		$person_id = $this->_getPersonId($prestudent_id);
 
-		$dokumentResult = $this->DokumentModel->load($dokument_kurzbz);
-		$data = $this->getDataOrTerminateWithError($dokumentResult);
+		$result = $this->DokumentModel->load($dokument_kurzbz);
+		$data = $this->getDataOrTerminateWithError($result);
 
 		$bezeichnung = current($data)->bezeichnung;
 
-		// Save entry in akte
-		if ($dms_id)
+		//save entry in akte
+		if($dms_id)
 		{
 			$result = $this->AkteModel->insert([
 				'person_id' => $person_id,
@@ -375,7 +369,7 @@ class Dokumente extends FHCAPI_Controller
 				'mimetype' => $_FILES['anhang']['type'],
 				'insertamum' => date('c'),
 				'erstelltam' => date('c'),
-				'insertvon' => getAuthUID(),
+				'insertvon' => $uid,
 				'anmerkung_intern' => $anmerkung_intern,
 				'titel_intern' => $titel_intern,
 				'bezeichnung' => $bezeichnung,
@@ -422,26 +416,28 @@ class Dokumente extends FHCAPI_Controller
 		$filecontentbase64 = $data->inhalt;
 		$filename = $data->titel;
 
-		if (intval($data->dms_id) > 0)
+		if(intval($data->dms_id) > 0)
 		{
-			$file = $this->dmslib->getOutputFileInfo($data->dms_id, $filename);
+			$dmsdokres = $this->dmslib->read($data->dms_id);
+			if (!hasData($dmsdokres)) $this->terminateWithError('DMS File not found');
+			$dmsdok = getData($dmsdokres)[0];
 
-			$this->terminateWithFileOutput(getData($file)->mimetype, file_get_contents(getData($file)->file), $filename);
+			$mimetype = $dmsdok->mimetype;
+			$filecontentbase64 = $dmsdok->file_content;
+			$filename = $dmsdok->name;
 		}
-		else
-		{
-			$filecontent = '';
 
-			if (!empty($filecontentbase64)) {
-				$filecontent = base64_decode($filecontentbase64, true);
+		$filecontent = '';
 
-				if ($filecontent === false) {
-					$this->terminateWithError('Base64-Dekodierung failed.');
-				}
+		if (!empty($filecontentbase64)) {
+			$filecontent = base64_decode($filecontentbase64, true);
+
+			if ($filecontent === false) {
+				$this->terminateWithError('Base64-Dekodierung failed.');
 			}
-
-			$this->terminateWithFileOutput($mimetype, $filecontent, $filename);
 		}
+
+		$this->terminateWithFileOutput($mimetype, $filecontent, $filename);
 	}
 
 	private function _getMissingDocuments($studiengang_kz, $prestudent_id)
@@ -757,7 +753,10 @@ class Dokumente extends FHCAPI_Controller
 		);
 
 		$data = $this->getDataOrTerminateWithError($result);
-		return hasData($data) ? getData($data)[0]->prestudent_id : null;
+		$student = current($data);
+
+
+		return $student->prestudent_id;
 	}
 
 	/**

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

@@ -33,6 +33,11 @@ class Notiz extends Notiz_Controller
 		]);
 	}
 
+/*	public function getUid()
+	{
+		$this->terminateWithSuccess(getAuthUID());
+	}*/
+
 
 	public function getNotizen($id, $type)
 	{
@@ -54,6 +59,317 @@ class Notiz extends Notiz_Controller
 
 	}
 
+/*	public function loadNotiz()
+	{
+		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
+
+		$notiz_id = $this->input->post('notiz_id');
+
+		//$this->load->model('person/Notiz_model', 'NotizModel');
+		$this->NotizModel->addJoin('public.tbl_notiz_dokument', 'notiz_id', 'LEFT');
+		$this->NotizModel->addSelect('*');
+		$this->NotizModel->addSelect("TO_CHAR(CASE WHEN public.tbl_notiz.updateamum >= public.tbl_notiz.insertamum 
+			THEN public.tbl_notiz.updateamum ELSE public.tbl_notiz.insertamum END::timestamp, 'DD.MM.YYYY HH24:MI:SS') AS lastUpdate");
+		$this->NotizModel->addLimit(1);
+
+		$result = $this->NotizModel->loadWhere(
+			array('notiz_id' => $notiz_id)
+		);
+		if (isError($result))
+		{
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		elseif (!hasData($result))
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=>'Notiz_id']), self::ERROR_TYPE_GENERAL);
+		}
+		else
+		{
+			$this->terminateWithSuccess(current(getData($result)));
+		}
+	}
+
+
+	public function updateNotiz()
+	{
+		$this->load->library('form_validation');
+		$this->load->library('DmsLib');
+
+		if (isset($_POST['data']))
+		{
+			$data = json_decode($_POST['data']);
+			unset($_POST['data']);
+			foreach ($data as $k => $v) {
+				$_POST[$k] = $v;
+			}
+		}
+
+		$notiz_id = $this->input->post('notiz_id');
+
+		if(!$notiz_id)
+		{
+			$this->terminateWithError($this->p->t('ui','error_missingId',['id'=>'Notiz_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		//Form Validation
+		$this->form_validation->set_rules('titel', 'Titel', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Titel'])
+		]);
+
+		$this->form_validation->set_rules('text', 'Text', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Text'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		//update Notiz
+		$uid = getAuthUID();
+		$titel = $this->input->post('titel');
+		$text = $this->input->post('text');
+		$verfasser_uid = $this->input->post('verfasser');
+		$bearbeiter_uid = isset($_POST['bearbeiter']) ? $_POST['bearbeiter'] : $uid;
+		$erledigt = $this->input->post('erledigt');
+		$start = $this->input->post('start');
+		$ende = $this->input->post('ende');
+
+		$result = $this->NotizModel->update(
+			[
+				'notiz_id' => $notiz_id
+			],
+			[
+				'titel' =>  $titel,
+				'updatevon' => $uid,
+				'updateamum' => date('c'),
+				'text' => $text,
+				'verfasser_uid' => $verfasser_uid,
+				'bearbeiter_uid' => $bearbeiter_uid,
+				'start' => $start,
+				'ende' => $ende,
+				'erledigt' => $erledigt
+			]
+		);
+		if (isError($result))
+		{
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		//update(1) laden aller bereits mit dieser notiz_id verknüpften DMS-Einträge
+		$this->load->model('person/Notizdokument_model', 'NotizdokumentModel');
+		$this->NotizdokumentModel->addJoin('campus.tbl_dms_version', 'dms_id');
+		$dms_uploaded = null;
+
+		$result = $this->NotizdokumentModel->loadWhere(array('notiz_id' => $notiz_id));
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		elseif (!hasData($result))
+		{
+			$dms_id_arr = null;
+		}
+		else
+		{
+			$result = getData($result);
+			foreach($result as $doc) {
+				$dms_id_arr[] = array(
+					'name' => $doc->name,
+					'dms_id' => $doc->dms_id
+				);
+			}
+		}
+
+		foreach ($_FILES as $k => $file)
+		{
+			//update(2) alle neuen files (alle außer type application/x.fhc-dms+json) anhängen
+			if($file["type"] == 'application/x.fhc-dms+json')
+			{
+				$dms_uploaded[] = array(
+					'name' => $file["name"]
+				);
+			}
+			else
+			{
+				$dms = array(
+					'kategorie_kurzbz'  => 'notiz',
+					'version'           => 0,
+					'name'              => $file["name"],
+					'mimetype'          => $file["type"],
+					'insertamum'        => date('c'),
+					'insertvon'         => $uid
+				);
+
+				//Todo(manu) check if filetypes weiter eingeschränkt werden sollen
+				//Todo(manu)check name files: nicht gleiches file 2mal hochladen
+				$result = $this->dmslib->upload($dms, $k, array('*'));
+
+				if (isError($result))
+				{
+					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+				}
+				$dms_id = $result->retval['dms_id'];
+
+				$result = $this->NotizdokumentModel->insert(array('notiz_id' => $notiz_id, 'dms_id' => $dms_id));
+				if (isError($result))
+				{
+					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+		}
+
+		//update(3) check if Dateien gelöscht wurden
+		if(count($dms_uploaded) != count($dms_id_arr))
+		{
+			if (count($dms_uploaded) == 0)
+			{
+				$filesDeleted = $dms_id_arr;
+			}
+			else
+			{
+				$upload_new_names = array_column($dms_uploaded, "name");
+
+				$filesDeleted = array_filter($dms_id_arr, function ($file) use ($upload_new_names) {
+					return !in_array($file["name"], $upload_new_names);
+				});
+			}
+
+			foreach ($filesDeleted as $file)
+			{
+				$result = $this->dmslib->removeAll($file['dms_id']);
+
+				if (isError($result))
+				{
+					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+				}
+				else
+					$this->outputJson($result);
+			}
+		}
+		return $this->terminateWithSuccess($result);
+	}*/
+
+
+/*	public function deleteNotiz()
+	{
+		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
+		$notiz_id = $this->input->post('notiz_id');
+		$type = $this->input->post('type_id');
+		$id = $this->input->post('id');
+
+		//dms_id auslesen aus notizdokument wenn vorhanden
+		$dms_id_arr = [];
+		$this->load->model('person/Notizdokument_model', 'NotizdokumentModel');
+
+		$result = $this->NotizdokumentModel->loadWhere(array('notiz_id' => $notiz_id));
+
+		if (isError($result))
+		{
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		if(hasData($result))
+		{
+			$result = getData($result);
+			foreach ($result as $doc) {
+				$dms_id_arr[] = $doc->dms_id;
+			}
+		}
+
+		if($dms_id_arr)
+		{
+			$this->load->library('DmsLib');
+			foreach($dms_id_arr as $dms_id)
+			{
+				$result = $this->dmslib->removeAll($dms_id);
+
+				if (isError($result))
+				{
+					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+				}
+
+				$this->outputJson($result);
+			}
+		}
+
+		//delete Notizzuordnung
+		if($type == "software_id")
+		{
+			// Loads extension Model
+			$this->load->model('extensions/FHC-Core-Softwarebereitstellung/Softwarenotizzuordnung_model', 'ExtensionnotizzuordnungModel');
+			$result = $this->ExtensionnotizzuordnungModel->delete([
+				'notiz_id' => $notiz_id,
+				'id' => strval($id)
+				],
+				[
+				'type_id' => $type
+			]);
+
+		}
+		else
+		{
+			//notizzuordnungsid!
+			$result = $this->NotizzuordnungModel->delete(['notiz_id' => $notiz_id, $type => $id]);
+		}
+
+
+		$this->load->model('person/Notiz_model', 'NotizModel');
+		//$this->NotizModel->addJoin('public.tbl_notizzuordnung', 'notiz_id');
+
+		//TODO (erweitern um Type_id) für Extensions, damit auch Notizzuordnung gelöscht werden kann
+
+		//Löschen von Notiz
+		$result = $this->NotizModel->delete(
+			array('notiz_id' => $notiz_id)
+		);
+
+		if (isError($result))
+		{
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		if(!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui','error_missingId', ['id'=> 'Notiz_id']), self::ERROR_TYPE_GENERAL);
+		}
+
+		return $this->terminateWithSuccess(current(getData($result)));
+	}*/
+
+/*	public function loadDokumente()
+	{
+		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
+		$notiz_id = $this->input->post('notiz_id');
+
+		$this->NotizModel->addSelect('campus.tbl_dms_version.*');
+
+		$this->NotizModel->addJoin('public.tbl_notiz_dokument', 'ON (public.tbl_notiz_dokument.notiz_id = public.tbl_notiz.notiz_id)');
+		$this->NotizModel->addJoin('campus.tbl_dms_version', 'ON (public.tbl_notiz_dokument.dms_id = campus.tbl_dms_version.dms_id)');
+
+		$result = $this->NotizModel->loadWhere(
+			array('public.tbl_notiz.notiz_id' => $notiz_id)
+		);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		if(!hasData($result))
+		{
+			return $this->terminateWithError($this->p->t('ui','error_missingId', ['id'=> 'Notiz_id']), self::ERROR_TYPE_GENERAL);
+		}
+		return $this->terminateWithSuccess(getData($result));
+	}*/
+
+/*	public function getMitarbeiter($searchString)
+	{
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString);
+		if (isError($result)) {
+			$this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		return $this->terminateWithSuccess($result);
+	}*/
+
 	public function isBerechtigt($id, $typeId)
 	{
 		if(!$this->permissionlib->isBerechtigt('admin', 'suid') && !$this->permissionlib->isBerechtigt('assistenz', 'suid'))
@@ -63,6 +379,7 @@ class Notiz extends Notiz_Controller
 			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
 		}
 		return success("berechtigt in überschreibender Funktion");
+/*		return $this->terminateWithError('keine Berechtigung bro', self::ERROR_TYPE_GENERAL);*/
 	}
 
-}
+}

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 +1,618 @@
+<?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);
+
+		$isCollisionCheckEnabled = filter_var(
+			$this->_ci->input->post('collisionCheck', TRUE) ?? false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+
+		$maxDailyEventLimit = $this->_ci->input->post('maxDailyEventLimit', TRUE) ?? false;
+
+		$filter = $this->_checkFilter(self::ALLOWED_PLAN_FILTER);
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForPlanner(
+			$start_date,
+			$end_date,
+			isset($filter->ort) ? $filter->ort : null,
+			isset($filter->uid) ? $filter->uid : null,
+			isset($filter->stg) ? $filter->stg : null,
+			$isCollisionCheckEnabled,
+			$maxDailyEventLimit
+		);
+
+		$this->terminateWithSuccess($stundenplan_data);
+	}
+
+	public function getPlanStudent()
+	{
+		$this->_ci->form_validation->set_data($_GET);
+		$this->_ci->form_validation->set_rules('start_date',"start_date","required");
+		$this->_ci->form_validation->set_rules('end_date',"end_date","required");
+
+		if($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		$start_date = $this->_ci->input->get('start_date', TRUE);
+		$end_date = $this->_ci->input->get('end_date', TRUE);
+
+		$isCollisionCheckEnabled = filter_var(
+			$this->_ci->input->get('collisionCheck', TRUE) ?? false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+		$maxDailyEventLimit = $this->_ci->input->get('maxDailyEventLimit', TRUE) ?? false;
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForStudent(
+			$start_date,
+			$end_date,
+			$isCollisionCheckEnabled,
+			$maxDailyEventLimit
+		);
+
+		$this->terminateWithSuccess($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);
+
+		$isCollisionCheckEnabled = filter_var(
+			$this->_ci->input->get('collisionCheck', TRUE) ?? false,
+			FILTER_VALIDATE_BOOLEAN
+		);
+		$maxDailyEventLimit = $this->_ci->input->get('maxDailyEventLimit', TRUE) ?? false;
+
+		$stundenplan_data = $this->_ci->kalenderlib->getPlanForLecturer(
+			$start_date,
+			$end_date,
+			$isCollisionCheckEnabled,
+			$maxDailyEventLimit
+		);
+
+		$this->terminateWithSuccess($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 +1,286 @@
+<?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:r',
+			'getInformation' => 'lehre/lvplan:r',
+			'getLektor' => 'lehre/lvplan:r',
+			'searchGroup' => 'lehre/lvplan:r',
+			'updateTeilnehmer' => 'lehre/reservierung: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->KalenderEventRolleModel->addOrder('sort');
+		$this->_ci->KalenderEventRolleModel->addSelect('rolle_kurzbz, array_to_json(bezeichnung_mehrsprachig::varchar[])->>'. $language. ' as bezeichnung');
+		$gruppen_rollen = $this->_ci->KalenderEventRolleModel->loadWhere(array('rolle_kurzbz !=' => 'organisator'));
+
+		$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) : [];
+		$return_array['gruppen_rollen'] = hasData($gruppen_rollen) ? getData($gruppen_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());
+	}
+
+	public function updateTeilnehmer()
+	{
+		$this->_ci->form_validation->set_rules('kalender_id', 'kalender_id', 'required|numeric', [
+			'required' => $this->p->t('ui', 'error_fieldRequired'),
+		]);
+
+		if ($this->_ci->form_validation->run() === FALSE)
+			$this->terminateWithValidationErrors($this->_ci->form_validation->error_array());
+
+		if (!$this->_ci->permissionlib->isBerechtigt('lehre/reservierung'))
+			$this->terminateWithError($this->p->t('ui', 'keineBerechtigung'), self::ERROR_TYPE_GENERAL);
+
+		$kalender_id = $this->_ci->input->post('kalender_id', TRUE);
+		$teilnehmer = $this->_ci->input->post('teilnehmer', TRUE);
+		$gruppen = $this->_ci->input->post('gruppen', TRUE);
+
+		$teilnehmer = is_array($teilnehmer) ? $teilnehmer : [];
+		$gruppen = is_array($gruppen) ? $gruppen : [];
+
+		$hat_organisator = false;
+
+		foreach ($teilnehmer as $teil)
+		{
+			if (!empty($teil['uid']) && isset($teil['rolle']) && $teil['rolle'] === 'organisator')
+			{
+				$hat_organisator = true;
+				break;
+			}
+		}
+
+		if (!$hat_organisator)
+			$teilnehmer[] = array('uid' => getAuthUID(), 'rolle' => 'organisator');
+
+		$result = $this->_ci->kalenderlib->updateReservierungTeilnehmer($kalender_id, $teilnehmer, $gruppen);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess(getData($result));
+	}
+
+}

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/lehre/Antrag/Attachment.php

@@ -73,7 +73,7 @@ class Attachment extends FHC_Controller
 			}
 		}
 
-		$result = $this->dmslib->getOutputFileInfo($dms_id);
+		$result = $this->dmslib->download($dms_id);
 		if (isError($result))
 			return show_error(getError($result));
 

application/controllers/lehre/anrechnung/ApproveAnrechnungDetail.php

@@ -393,7 +393,7 @@ class approveAnrechnungDetail extends Auth_Controller
 		$filename = $this->anrechnunglib->setFilenameOnDownload($dms_id);
 
 		// Get file to be downloaded from DMS
-		$download = $this->dmslib->getOutputFileInfo($dms_id, $filename);
+		$download = $this->dmslib->download($dms_id, $filename);
 		if (isError($download)) return $download;
 
 		// Download file

application/controllers/lehre/anrechnung/ApproveAnrechnungUebersicht.php

@@ -282,7 +282,7 @@ class approveAnrechnungUebersicht extends Auth_Controller
 		$filename = $this->anrechnunglib->setFilenameOnDownload($dms_id);
 
 		// Get file to be downloaded from DMS
-		$download = $this->dmslib->getOutputFileInfo($dms_id, $filename);
+		$download = $this->dmslib->download($dms_id, $filename);
 		if (isError($download)) return $download;
 
 		// Download file

application/controllers/lehre/anrechnung/CreateAnrechnung.php

@@ -150,12 +150,15 @@ class CreateAnrechnung extends Auth_Controller
 		}
 	
 		// Upload document
-		$result = $this->_uploadFile();
+		$result = self::_uploadFile();
 		
-		if (isError($result)) $this->terminateWithJsonError(getError($result));
+		if (isError($result))
+		{
+			$this->terminateWithJsonError($result->retval);
+		}
 		
 		// Hold just inserted DMS ID
-		$lastInsert_dms_id = getData($result)->dms_id;
+		$lastInsert_dms_id = $result->retval['dms_id'];
 		
 		// Save Anrechnung and Anrechnungstatus
 		$result = $this->AnrechnungModel->createAnrechnungsantrag(
@@ -224,25 +227,17 @@ class CreateAnrechnung extends Auth_Controller
 	 */
 	private function _uploadFile()
 	{
-		// Upload document
-		$uploadDataResult = $this->uploadFile('uploadfile', array('pdf'));
-
-		// If an error occurred while uploading the file
-		if (isError($uploadDataResult)) return $uploadDataResult;
-		if (!hasData($uploadDataResult)) return error('Upload failed');
-
-		// Add file to the DMS (DB + file system)
-		return $this->_ci->dmslib->add(
-			getData($uploadDataResult)['file_name'],
-			getData($uploadDataResult)['file_type'],
-			fopen(getData($uploadDataResult)['full_path'], 'r'),
-			'anrechnung', // kategorie_kurzbz
-			null, // dokument_kurzbz
-			null, // beschreibung
-			false, // cis_suche
-			null, // schlagworte
-			getAuthUID() // insertvon
+		$dms = array(
+			'kategorie_kurzbz'  => 'anrechnung',
+			'version'           => 0,
+			'name'              => $_FILES['uploadfile']['name'],
+			'mimetype'          => $_FILES['uploadfile']['type'],
+			'insertamum'        => (new DateTime())->format('Y-m-d H:i:s'),
+			'insertvon'         => $this->_uid
 		);
+		
+		// Upload document
+		return $this->dmslib->upload($dms, 'uploadfile', array('pdf'));
 	}
 	
 	private function _LVhasBlockingGrades($studiensemester_kurzbz, $lehrveranstaltung_id, $prestudent_id)
@@ -273,4 +268,4 @@ class CreateAnrechnung extends Auth_Controller
 		return false;
 	}
 	
-}
+}

application/controllers/lehre/anrechnung/RequestAnrechnung.php

@@ -83,7 +83,7 @@ class requestAnrechnung extends Auth_Controller
 		$is_expired = $this->_isExpired($studiensemester_kurzbz);
 		
 		// Check if Lehrveranstaltung was already graded with application blocking grades
-		$is_blocked = $this->_LVhasBlockingGrades($studiensemester_kurzbz, $lehrveranstaltung_id);
+		$is_blocked = self::_LVhasBlockingGrades($studiensemester_kurzbz, $lehrveranstaltung_id);
 		
 		// Get Anrechung data
 		$anrechnungData = $this->anrechnunglib->getAnrechnungDataByLv($lehrveranstaltung_id, $studiensemester_kurzbz, $prestudent_id);
@@ -152,24 +152,27 @@ class requestAnrechnung extends Auth_Controller
 		$prestudent_id = getData($result)[0]->prestudent_id;
 		
 		// Exit if application already exists
-		if ($this->_applicationExists($lehrveranstaltung_id, $studiensemester_kurzbz, $prestudent_id))
+		if (self::_applicationExists($lehrveranstaltung_id, $studiensemester_kurzbz, $prestudent_id))
 		{
 			return $this->outputJsonError($this->p->t('anrechnung', 'antragBereitsGestellt'));
 		}
 		
 		// Exit if application is a past ( < actual ) studysemester
-		if ($this->_applicationIsPastSS($studiensemester_kurzbz))
+		if (self::_applicationIsPastSS($studiensemester_kurzbz))
 		{
 			return $this->outputJsonError($this->p->t('anrechnung', 'antragNichtFuerVerganganeSS'));
 		}
 		
 		// Upload document
-		$result = $this->_uploadFile();
+		$result = self::_uploadFile();
 
-		if (isError($result)) return $this->outputJsonError(getError($result));
+		if (isError($result))
+		{
+			return $this->outputJsonError($result->retval);
+		}
 		
 		// Hold just inserted DMS ID
-		$lastInsert_dms_id = getData($result)->dms_id;
+		$lastInsert_dms_id = $result->retval['dms_id'];
 
 		// Save Anrechnung and Anrechnungstatus
 		$result = $this->AnrechnungModel->createAnrechnungsantrag(
@@ -179,8 +182,8 @@ class requestAnrechnung extends Auth_Controller
 			$begruendung_id,
 			$lastInsert_dms_id,
 			$anmerkung,
-			$begruendung_ects,
-			$begruendung_lvinhalt
+            $begruendung_ects,
+            $begruendung_lvinhalt
 		);
 		
 		if (isError($result))
@@ -212,11 +215,11 @@ class requestAnrechnung extends Auth_Controller
 		$this->_checkIfEntitledToReadDMSDoc($dms_id);
 
 		// Get file to be downloaded from DMS
-		$download = $this->dmslib->getOutputFileInfo($dms_id);
-		if (isError($download)) return $download;
+        $download = $this->dmslib->download($dms_id);
+        if (isError($download)) return $download;
 
-		// Download file
-		$this->outputFile(getData($download));
+        // Download file
+        $this->outputFile(getData($download));
 	}
 
 	/**
@@ -364,25 +367,16 @@ class requestAnrechnung extends Auth_Controller
 	 */
 	private function _uploadFile()
 	{
-		// Upload document
-		$uploadDataResult = $this->uploadFile('uploadfile', array('pdf'));
-
-		// If an error occurred while uploading the file
-		if (isError($uploadDataResult)) return $uploadDataResult;
-		// If an error occurred while uploading the file
-		if (!hasData($uploadDataResult)) return error('Upload failed');
-
-		// Add file to the DMS (DB + file system)
-		return $this->_ci->dmslib->add(
-			getData($uploadDataResult)['file_name'],
-			getData($uploadDataResult)['file_type'],
-			fopen(getData($uploadDataResult)['full_path'], 'r'),
-			'anrechnung',
-			null, // dokument_kurzbz
-			null, // beschreibung
-			false, // cis_suche
-			null, // schlagworte
-			getAuthUID() // insertvon
+		$dms = array(
+			'kategorie_kurzbz'  => 'anrechnung',
+			'version'           => 0,
+			'name'              => $_FILES['uploadfile']['name'],
+			'mimetype'          => $_FILES['uploadfile']['type'],
+			'insertamum'        => (new DateTime())->format('Y-m-d H:i:s'),
+			'insertvon'         => $this->_uid
 		);
+
+		// Upload document
+		return $this->dmslib->upload($dms, 'uploadfile', array('pdf'));
 	}
 }

application/controllers/lehre/anrechnung/ReviewAnrechnungDetail.php

@@ -237,7 +237,7 @@ class reviewAnrechnungDetail extends Auth_Controller
 		$filename = $this->anrechnunglib->setFilenameOnDownload($dms_id);
 
 		// Get file to be downloaded from DMS
-		$download = $this->dmslib->getOutputFileInfo($dms_id, $filename);
+		$download = $this->dmslib->download($dms_id, $filename);
 		if (isError($download)) return $download;
 
 		// Download file

application/controllers/lehre/anrechnung/ReviewAnrechnungUebersicht.php

@@ -196,7 +196,7 @@ class reviewAnrechnungUebersicht extends Auth_Controller
 		$filename = $this->anrechnunglib->setFilenameOnDownload($dms_id);
 
 		// Get file to be downloaded from DMS
-		$download = $this->dmslib->getOutputFileInfo($dms_id, $filename);
+		$download = $this->dmslib->download($dms_id, $filename);
 		if (isError($download)) return $download;
 
 		// Download file

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/controllers/system/infocenter/InfoCenter.php

@@ -183,7 +183,6 @@ class InfoCenter extends Auth_Controller
 		// Loads libraries
 		$this->load->library('PersonLogLib');
 		$this->load->library('WidgetLib');
-		$this->load->library('AkteLib');
 
 		$this->load->config('infocenter');
 
@@ -457,7 +456,8 @@ class InfoCenter extends Auth_Controller
 
 		if (isset($akte_id) && isset($person_id))
 		{
-			$akte = $this->aktelib->getByAkteId($akte_id);
+			$this->load->library('AkteLib');
+			$akte = $this->aktelib->get($akte_id);
 
 			if (hasData($akte))
 			{
@@ -1173,6 +1173,8 @@ class InfoCenter extends Auth_Controller
 	 */
 	public function outputAkteContent($akte_id)
 	{
+		$this->load->library('DmsLib');
+
 		$akte = $this->AkteModel->load($akte_id);
 
 		if (isError($akte))
@@ -1180,7 +1182,7 @@ class InfoCenter extends Auth_Controller
 			show_error(getError($akte));
 		}
 
-		$aktecontent = $this->aktelib->getByAkteId($akte_id);
+		$aktecontent = $this->dmslib->getAkteContent($akte_id);
 
 		if (isError($aktecontent))
 		{
@@ -2484,5 +2486,4 @@ class InfoCenter extends Auth_Controller
 			$this->loglib->logError('Studiengang has no mail for sending Freigabe mail');
 		}
 	}
-}
-
+}

application/core/FHC_Controller.php

@@ -136,77 +136,37 @@ abstract class FHC_Controller extends CI_Controller
 	/**
 	 * To download the given file represented by the fileObj parameter.
 	 * fileObj has the following structure:
-	 * 	$fileObj->file OR $fileObj->file_content
+	 * 	$fileObj->filename
+	 * 	$fileObj->file
 	 * 	$fileObj->name
 	 * 	$fileObj->mimetype
-	 * 	$fileObj->disposition (inline OR attachment)
+	 * 	$fileObj->disposition
 	 */
 	protected function outputFile($fileObj)
 	{
 		// If the file exists
-		if ((isset($fileObj->file) && !isEmptyString($fileObj->file) && file_exists($fileObj->file))
-		|| (isset($fileObj->file_content) && !isEmptyString($fileObj->file_content)))
+		if (isset($fileObj->file) && !isEmptyString($fileObj->file) && file_exists($fileObj->file))
 		{
-			$content_length = 0;
-
-			// If file content has been provided
-			if (isset($fileObj->file_content) && !isEmptyString($fileObj->file_content))
-			{
-				$content_length = strlen($fileObj->file_content);
-			}
-			else // otherwise the path + name of the file
-			{
-				$content_length = filesize($fileObj->file);
-			}
-
 			header('Content-Description: File Transfer');
 			header('Content-Type: '. $fileObj->mimetype);
-			header('Content-Length: ' . $content_length);
-			header('Content-Transfer-Encoding: binary');
-			header('Content-Disposition: '. $fileObj->disposition. '; filename="'. $fileObj->name. '"');
-			header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
-			header('Expires: ' . date("D, d M Y H:i:s", time()));
+			header('Expires: 0');
+			header('Cache-Control: must-revalidate');
 			header('Pragma: public');
+			header('Content-Length: ' . filesize($fileObj->file));
 
-			// Clean the output buffer
-			flush();
-
-			// If file content has been provided
-			if (isset($fileObj->file_content) && !isEmptyString($fileObj->file_content))
+			if (isset($fileObj->disposition)
+				&& ($fileObj->disposition == 'inline' || $fileObj->disposition == 'attachment'))
 			{
-				echo $fileObj->file_content;
-			}
-			else // otherwise get the content from file system
-			{
-				readfile($fileObj->file);
+				header('Content-Disposition: '. $fileObj->disposition. '; filename="'. $fileObj->name. '"');
 			}
 
-			// Terminate the execution
-			exit();
+			readfile($fileObj->file); // reads the file content to the output buffer
+		}
+		else
+		{
+			// Otherwise print an error
+			show_error('The provided file does not exist: '.(isset($fileObj->file) ? $fileObj->file : 'file not given'));
 		}
-
-		// Otherwise return an error
-		show_error('The provided file does not exist or file content is empty');
-	}
-
-	/**
-	 *
-	 */
-	protected function outputImageByContent($mimetype, $file_content)
-	{
-		if (isEmptyString($file_content)) show_error('The provided file content is not valid');
-
-		$this->_outputImage($mimetype, $file_content);
-	}
-
-	/**
-	 *
-	 */
-	protected function outputImageByFile($mimetype, $file_name)
-	{
-		if (!file_exists($file_name)) show_error('The provided file does not exist');
-
-		$this->_outputImage($mimetype, null, $file_name);
 	}
 
 	/**
@@ -218,29 +178,6 @@ abstract class FHC_Controller extends CI_Controller
 		return json_decode($this->input->raw_input_stream);
 	}
 
-	/**
-	 * Utility function to upload a file
-	 * - post_field_name: the name of the field in the HTTP POST payload, this is also the index in the super global $_FILES array
-	 * - allowed_types: a list of file extensions that are allowed to be uploaded (ex. array('pdf', 'odt') or array('jpg', 'jpeg', 'gif')
-	 */
-	protected function uploadFile($post_field_name, $allowed_types = array('*'))
-	{
-		$this->load->library(
-			'upload',
-			array(
-				'upload_path' => sys_get_temp_dir(),
-				'allowed_types' => $allowed_types,
-				'overwrite' => true
-			)
-		);
-
-		// If the upload was a success then return the uploaded file info
-		if ($this->upload->do_upload($post_field_name)) return success($this->upload->data());
-
-		// If an error occurred then return it without tags
-		return error($this->upload->display_errors('', ''));
-	}
-
 	//------------------------------------------------------------------------------------------------------------------
 	// Private methods
 
@@ -256,44 +193,5 @@ abstract class FHC_Controller extends CI_Controller
 			show_error('This web site cannot work correctly without the HTTPS protocol enabled');
 		}
 	}
-
-	/**
-	 *
-	 */
-	private function _outputImage($mimetype, $file_content = null, $file_name = null)
-	{
-		$content_length = 0;
-
-		// If file content has been provided
-		if ($file_content != null)
-		{
-			$content_length = strlen($file_content);
-		}
-		else // otherwise the path + name of the file
-		{
-			$content_length = filesize($file_name);
-		}
-
-		header('Content-Type: '. $mimetype);
-		header('Content-Length: ' . $content_length);
-		header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
-		header('Expires: ' . date("D, d M Y H:i:s", time()));
-
-		// Clean the output buffer
-		flush();
-
-		// If file content has been provided
-		if ($file_content != null)
-		{
-			echo $file_content;
-		}
-		else // otherwise get the content from file system
-		{
-			readfile($file_name);
-		}
-
-		// Terminate the execution
-		exit();
-	}
 }
 

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/Notiz_Controller.php

@@ -196,39 +196,26 @@ abstract class Notiz_Controller extends FHCAPI_Controller
 		$dms_id_arr = [];
 		foreach ($_FILES as $k => $file)
 		{
+			$dms = array(
+				'kategorie_kurzbz'  => 'notiz',
+				'version'           => 0,
+				'name'              => $file["name"],
+				'mimetype'          => $file["type"],
+				'insertamum'        => date('c'),
+				'insertvon'         => $uid
+			);
+
 			//Todo(manu) check if filetypes weiter eingeschränkt werden sollen
 			//Todo(manu)check name files: nicht gleiches file 2mal hochladen
 			//Todo define in dms component: readFile, downloadFile
-			$uploadDataResult = $this->uploadFile($k);
-			if (isError($uploadDataResult))
+			$result = $this->dmslib->upload($dms, $k, ['*']);
+			/*			$result = $this->dmslib->upload($dms, $k, ['application/pdf','application/x.fhc-dms+json']);*/
+			if (isError($result))
 			{
 				$this->db->trans_rollback();
-				$this->terminateWithError(getError($uploadDataResult), self::ERROR_TYPE_GENERAL);
+				$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
 			}
-			if (!hasData($uploadDataResult))
-			{
-				$this->db->trans_rollback();
-				$this->terminateWithError('Upload failed', self::ERROR_TYPE_GENERAL);
-			}
-
-			// Add file to the DMS (DB + file system)
-			$addResult = $this->dmslib->add(
-				getData($uploadDataResult)['file_name'],
-				getData($uploadDataResult)['file_type'],
-				fopen(getData($uploadDataResult)['full_path'], 'r'),
-				'notiz', // kategorie_kurzbz
-				null, // dokument_kurzbz
-				null, // beschreibung
-				false, // cis_suche
-				null, // schlagworte
-				getAuthUID() // insertvon
-			);
-
-			// If error occurred
-			if (isError($addResult) || !hasData($addResult))
-				$this->terminateWithError(getError($addResult), self::ERROR_TYPE_GENERAL);
-
-			$dms_id_arr[] = getData($addResult)->dms_id;
+			$dms_id_arr[] = $result->retval['dms_id'];
 		}
 
 		//save entry in Notizdokument
@@ -332,40 +319,22 @@ abstract class Notiz_Controller extends FHCAPI_Controller
 			}
 			else
 			{
+				$dms = array(
+					'kategorie_kurzbz'  => 'notiz',
+					'version'           => 0,
+					'name'              => $file["name"],
+					'mimetype'          => $file["type"],
+					'insertamum'        => date('c'),
+					'insertvon'         => $uid
+				);
+
 				//Todo(manu) check if filetypes weiter eingeschränkt werden sollen
 				//Todo(manu)check name files: nicht gleiches file 2mal hochladen
 				//Todo define in dms component: readFile, downloadFile
-				$uploadDataResult = $this->uploadFile($k);
-				if (isError($uploadDataResult))
-				{
-					$this->db->trans_rollback();
-					$this->terminateWithError(getError($uploadDataResult), self::ERROR_TYPE_GENERAL);
-				}
-				if (!hasData($uploadDataResult))
-				{
-					$this->db->trans_rollback();
-					$this->terminateWithError('Upload failed', self::ERROR_TYPE_GENERAL);
-				}
+				$result = $this->dmslib->upload($dms, $k, array('*'));
 
-				// Add file to the DMS (DB + file system)
-				$addResult = $this->dmslib->add(
-					getData($uploadDataResult)['file_name'],
-					getData($uploadDataResult)['file_type'],
-					fopen(getData($uploadDataResult)['full_path'], 'r'),
-					'notiz', // kategorie_kurzbz
-					null, // dokument_kurzbz
-					null, // beschreibung
-					false, // cis_suche
-					null, // schlagworte
-					getAuthUID() // insertvon
-				);
-
-				// If error occurred
-				if (isError($addResult) || !hasData($addResult))
-					$this->terminateWithError(getError($addResult), self::ERROR_TYPE_GENERAL);
-
-				$addResult = $this->getDataOrTerminateWithError($addResult);
-				$dms_id = $addResult['dms_id'];
+				$result = $this->getDataOrTerminateWithError($result);
+				$dms_id = $result['dms_id'];
 
 				$result = $this->NotizdokumentModel->insert(array('notiz_id' => $post_data['notiz_id'], 'dms_id' => $dms_id));
 

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

@@ -418,10 +418,10 @@ function findResource($path, $resource, $subdir = false, $extraDir = null)
 if (!function_exists('array_is_list')) {
     function array_is_list(array $arr)
     {
-	if ($arr === []) {
-	    return true;
-	}
-	return array_keys($arr) === range(0, count($arr) - 1);
+        if ($arr === []) {
+            return true;
+        }
+        return array_keys($arr) === range(0, count($arr) - 1);
     }
 }
 
@@ -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/AkteLib.php

@@ -1,21 +1,12 @@
 <?php
 
-/* Copyright (C) 2025 fhcomplete.net
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+/**
+ * FH-Complete
  *
+ * @package             FHC-Helper
+ * @author              FHC-Team
+ * @copyright           Copyright (c) 2022 fhcomplete.net
+ * @license             GPLv3
  */
 
 if (! defined('BASEPATH')) exit('No direct script access allowed');
@@ -130,32 +121,90 @@ class AkteLib
 	 * Gets akte data and associated dms data by akte Id
 	 * Returns success with akte and dms data or error
 	 */
-	public function getByAkteId($akte_id, $dokument_kurzbz = null, $archiv = null, $signiert = null, $stud_selfservice = null)
+	public function get($akte_id)
 	{
-		return $this->_get(
-			$akte_id,
-			null, // person_id
-			$dokument_kurzbz,
-			$archiv,
-			$signiert,
-			$stud_selfservice
-		);
+		// get Akte data
+		$this->_ci->AkteModel->addSelect('person_id, dokument_kurzbz, mimetype, erstelltam, titel, bezeichnung,
+											gedruckt, uid, dms_id, nachgereicht, nachgereicht_am, anmerkung,
+											ausstellungsnation, formal_geprueft_amum, archiv, signiert,
+											stud_selfservice, akzeptiertamum, insertvon, insertamum, updatevon, updateamum');
+		$this->_ci->AkteModel->load($akte_id);
+		$akteResult = $this->_ci->AkteModel->load($akte_id);
+
+		if (isError($akteResult)) return $akteResult;
+
+		if (!hasData($akteResult)) return error("Akte not found");
+
+		$resultObject = getData($akteResult)[0];
+
+		// set properties with same name in Akte and Dms table
+		$resultObject->akte_mimetype = $resultObject->mimetype;
+
+		// get dms data
+		$dmsResult = $this->_ci->dmslib->getLastVersion($resultObject->dms_id);
+
+		if (isError($dmsResult)) return $dmsResult;
+
+		// properties to retrieve from dms
+		$dmsProperties = array('version', 'filename', 'mimetype', 'name', 'beschreibung', 'cis_suche', 'schlagworte', DmsLib::FILE_CONTENT_PROPERTY);
+
+		// set dms properties
+		if (hasData($dmsResult))
+		{
+			$dmsData = getData($dmsResult);
+
+			foreach ($dmsProperties as $dmsProperty)
+			{
+				$resultObject->{$dmsProperty} = $dmsData->{$dmsProperty};
+			}
+		}
+		else
+		{
+			// set null if no dms result found
+			foreach ($dmsProperties as $dmsProperty)
+			{
+				$resultObject->{$dmsProperty} = null;
+			}
+		}
+
+		// return the object containing akte and dms data
+		return success($resultObject);
 	}
 
 	/**
 	 * Gets Akte data and associated dms data by person Id and dokument_kurzbz
 	 * Returns success with result array with akte and dms data or error
 	 */
-	public function getByPersonId($person_id, $dokument_kurzbz = null, $archiv = null, $signiert = null, $stud_selfservice = null)
+	public function getByPersonIdAndDocumentType($person_id, $dokument_kurzbz)
 	{
-		return $this->_get(
-			null, // akte_id
-			$person_id,
-			$dokument_kurzbz,
-			$archiv,
-			$signiert,
-			$stud_selfservice
+		// load all Akte entries for given person and dokument_kurzbz
+		$this->_ci->AkteModel->addSelect('akte_id');
+		$akteResult = $this->_ci->AkteModel->loadWhere(
+			array(
+				'person_id' => $person_id,
+				'dokument_kurzbz' => $dokument_kurzbz
+			)
 		);
+
+		if (!hasData($akteResult)) return error("Akte not found");
+
+		$akteData = getData($akteResult);
+
+		$resultArr = array();
+
+		// for each found akte entry
+		foreach ($akteData as $akte)
+		{
+			// get dms and akte data from akte Id
+			$getAkteDmsResult = $this->get($akte->akte_id);
+
+			if (isError($getAkteDmsResult)) return $getAkteDmsResult;
+
+			$resultArr[] = getData($getAkteDmsResult);
+		}
+
+		// return all found entries
+		return success($resultArr);
 	}
 
 	/**
@@ -164,184 +213,56 @@ class AkteLib
 	 */
 	public function remove($akte_id)
 	{
-		return $this->_remove($akte_id, null, null);
-	}
-
-	/**
-	 * Removes Akte by $person_id and $dms_id, removes all associated dms entries and versions, and deletes all associated files
-	 * Returns success with removed version numbers or error
-	 */
-	public function removeByPersonIdAndDmsId($person_id, $dms_id)
-	{
-		return $this->_remove(null, $person_id, $dms_id);
-	}
-
-	/**
-	 *
-	 */
-	private function _get($akte_id = null, $person_id = null, $dokument_kurzbz = null, $archiv = null, $signiert = null, $stud_selfservice = null)
-	{
-		$dbModel = new DB_Model();
-
-		$query = 'SELECT akte_id,
-				person_id,
-				dokument_kurzbz,
-				inhalt,
-				CASE WHEN inhalt is not null THEN true ELSE false END as inhalt_vorhanden,
-				mimetype,
-				erstelltam,
-				gedruckt,
-				titel,
-				bezeichnung,
-				updateamum,
-				updatevon,
-				insertamum,
-				insertvon,
-				uid,
-				dms_id,
-				nachgereicht,
-				anmerkung,
-				titel_intern,
-				anmerkung_intern,
-				nachgereicht_am,
-				ausstellungsnation,
-				formal_geprueft_amum,
-				archiv,
-				signiert,
-				stud_selfservice,
-				akzeptiertamum
-			FROM public.tbl_akte
-			WHERE TRUE';
-
-		// Query parameters
-		$paramArray = array();
-
-		// akte_id
-		if (is_numeric($akte_id) || is_array($akte_id))
-		{
-			$paramArray[] = $akte_id;
-			if (is_numeric($akte_id)) $query .= ' AND akte_id = ?';
-			if (is_array($akte_id)) $query .= ' AND akte_id IN ?';
-		}
-
-		// person_id
-		if (is_numeric($person_id) || is_array($person_id))
-		{
-			$paramArray[] = $person_id;
-			if (is_numeric($person_id)) $query .= ' AND person_id = ?';
-			if (is_array($person_id)) $query .= ' AND person_id IN ?';
-		}
-
-		// dokument_kurzbz
-		if (!isEmptyString($dokument_kurzbz))
-		{
-			$paramArray[] = $dokument_kurzbz;
-			$query .= ' AND dokument_kurzbz = ?';
-		}
-
-		// archiv
-		if (is_bool($archiv))
-		{
-			$paramArray[] = $archiv;
-			$query .= ' AND archiv = ?';
-		}
-
-		// signiert
-		if (is_bool($signiert))
-		{
-			$paramArray[] = $signiert;
-			$query .= ' AND signiert = ?';
-		}
-
-		// stud_selfservice
-		if (is_bool($stud_selfservice))
-		{
-			$paramArray[] = $stud_selfservice;
-			$query .= ' AND stud_selfservice = ?';
-		}
-
-		// If no parameters has been provided exit
-		if (isEmptyArray($paramArray)) return error('Called without giving any parameter');
-
-		// Loads data from DB
-		$akteResult = $dbModel->execReadOnlyQuery($query, $paramArray);
-
-		// If error or data not found then exit
-		if (isError($akteResult)) return $akteResult;
-		if (!hasData($akteResult)) return error('Akte not found');
-
-		// For each record from the akte
-		foreach (getData($akteResult) as $resultObject)
-		{
-			// get dms data
-			$dmsResult = $this->_ci->dmslib->getLastVersion($resultObject->dms_id);
-
-			if (isError($dmsResult)) return $dmsResult;
-
-			// properties to retrieve from dms
-			$dmsProperties = array('version', 'filename', 'mimetype', 'name', 'beschreibung', 'cis_suche', 'schlagworte');
-
-			// set dms properties
-			if (hasData($dmsResult))
-			{
-				$dmsData = getData($dmsResult)[0];
-
-				foreach ($dmsProperties as $dmsProperty)
-				{
-					// If the property is _not_ 'mimetype' _or_
-					// If the mimetype from the akte table is null then overwrite it with the one from the DMS
-					if ($dmsProperty != 'mimetype' || ($dmsProperty == 'mimetype' && $resultObject->{$dmsProperty} == null))
-					{
-						$resultObject->{$dmsProperty} = $dmsData->{$dmsProperty};
-					}
-				}
-			}
-			else
-			{
-				// Set null if no dms result found
-				foreach ($dmsProperties as $dmsProperty)
-				{
-					if ($dmsProperty != 'mimetype') $resultObject->{$dmsProperty} = null;
-				}
-			}
-		}
-
-		// return the object containing akte and dms data
-		return success(getData($akteResult));
-	}
-
-	/**
-	 * Removes Akte by akte Id, person id and/or dms id
-	 * Removes all associated dms entries and versions, and deletes all associated files
-	 * Returns success with removed version numbers or error
-	 */
-	private function _remove($akte_id = null, $person_id = null, $dms_id = null)
-	{
-		// Get dms_id for akte
-		$this->_ci->AkteModel->addSelect('akte_id');
+		// get dms_id for akte
 		$this->_ci->AkteModel->addSelect('dms_id');
-
-		$paramArray = array();
-
-		if (is_numeric($akte_id)) $paramArray['akte_id'] = $akte_id;
-		if (is_numeric($person_id)) $paramArray['person_id'] = $person_id;
-		if (is_numeric($dms_id)) $paramArray['dms_id'] = $dms_id;
-
-		$akteResult = $this->_ci->AkteModel->loadWhere($paramArray);
+		$akteResult = $this->_ci->AkteModel->load($akte_id);
 
 		if (isError($akteResult)) return $akteResult;
 
-		if (!hasData($akteResult)) return error('Akte not found');
+		if (!hasData($akteResult)) return error("Akte not found");
 
-		// Delete Akte
-		$deleteResult = $this->_ci->AkteModel->delete(getData($akteResult)[0]->akte_id);
+		$dms_id = getData($akteResult)[0]->dms_id;
+		$error = null;
 
-		if (isError($deleteResult)) return $deleteResult;
+		// Start DB transaction to avoid deleting only part of the data
+		$this->_ci->db->trans_begin();
 
-		// Remove all dms entry for dms of the akte
-		$removeAllResult = $this->_ci->dmslib->removeAll(getData($akteResult)[0]->dms_id);
+		// delete Akte
+		$deleteResult = $this->_ci->AkteModel->delete($akte_id);
 
-		return $removeAllResult;
+		if (isError($deleteResult))
+		{
+			$error = $deleteResult;
+		}
+		else
+		{
+			// remove all dms entry for dms of the akte
+			$removeAllResult = $this->_ci->dmslib->removeAll($dms_id);
+
+			if (isError($removeAllResult))
+				$error = $removeAllResult;
+		}
+
+		// Transaction complete!
+		$this->_ci->db->trans_complete();
+
+		// Check if everything went ok during the transaction
+		if ($this->_ci->db->trans_status() === false || isset($error))
+		{
+			$this->_ci->db->trans_rollback();
+
+			// return occured error
+			if (isset($error))
+				return $error;
+			else
+				return error("Error occured when deleting, rolled back");
+		}
+		else
+		{
+			$this->_ci->db->trans_commit();
+
+			// return removed dms entry data
+			return $removeAllResult;
+		}
 	}
 }
-

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/DmsLib.php

@@ -1,21 +1,12 @@
 <?php
 
-/* Copyright (C) 2025 fhcomplete.net
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+/**
+ * FH-Complete
  *
+ * @package		FHC-Helper
+ * @author		FHC-Team
+ * @copyright		Copyright (c) 2022 fhcomplete.net
+ * @license		GPLv3
  */
 
 if (! defined('BASEPATH')) exit('No direct script access allowed');
@@ -24,17 +15,24 @@ use \stdClass as stdClass;
 
 class DmsLib
 {
-	const DMS_SYS_NAME = 'DMS System';
+	const FILE_CONTENT_PROPERTY = 'file_content'; // property name for file content
 
 	private $_ci; // code igniter instance
+	private $_who; // who added this document
 
 	/**
 	 * Object initialization
 	 */
-	public function __construct()
+	public function __construct($params = null)
 	{
 		$this->_ci =& get_instance();
 
+		// Set the the _who property
+		$this->_who = 'DMS system'; // default
+		// It is possible to set it using the who parameter
+		if (!isEmptyArray($params) && isset($params['who']) && !isEmptyString($params['who'])) $this->_who = $params['who'];
+
+		$this->_ci->load->model('crm/Akte_model', 'AkteModel'); // deprecated, should not be used here!
 		$this->_ci->load->model('content/Dms_model', 'DmsModel');
 		$this->_ci->load->model('content/DmsVersion_model', 'DmsVersionModel');
 		$this->_ci->load->model('content/DmsFS_model', 'DmsFSModel');
@@ -48,85 +46,69 @@ class DmsLib
 	 * Returns success info of added dms entry (dms_id, version, filename) or error
 	 */
 	public function add(
-		// Required parameters
-		$name, $mimetype, $fileHandle,
-		// Optional parameters
-		$kategorie_kurzbz = null, $dokument_kurzbz = null, $beschreibung = null, $cis_suche = false, $schlagworte = null, $insertvon = self::DMS_SYS_NAME
+		$name, $mimetype, $fileHandle, // Required parameters
+		$kategorie_kurzbz = null, $dokument_kurzbz = null, $beschreibung = null, $cis_suche = false, $schlagworte = null
 	)
 	{
-		// If the file handle is not valid
-		if ($fileHandle === false) return error('Was not possible to open the given file');
+			// create unique filename, using original document name to detect file extension
+			$filename = $this->_getUniqueFilename($name);
 
-		// Create unique filename, using original document name to detect file extension
-		$filename = $this->_getUniqueFilename($name);
+			// copy file from fileHandle to dms folder
+			$copyFileResult = $this->_copyFile($fileHandle, $filename);
 
-		// Copy file from fileHandle to dms folder
-		$copyFileResult = $this->_copyFile($fileHandle, $filename);
+			if (isError($copyFileResult)) return $copyFileResult;
 
-		// If an error occrured while copying the file
-		if (isError($copyFileResult)) return $copyFileResult;
-
-		// Insert the new DMS
-		$dmsResult = $this->_ci->DmsModel->insert(
-			array(
-				'kategorie_kurzbz' => $kategorie_kurzbz,
-				'dokument_kurzbz' => $dokument_kurzbz
-			)
-		);
-
-		// If an error occurred
-		if (isError($dmsResult)) return $dmsResult;
-
-		// If a DMS in the previous insert returned the new PK value
-		if (hasData($dmsResult))
-		{
-			$dms_id = getData($dmsResult);
-
-			// Insert the DMS version
-			$dmsVersion = array(
-				'dms_id' => $dms_id,
-				'version' => 0,
-				'filename' => $filename,
-				'mimetype' => $mimetype,
-				'name' => $name,
-				'beschreibung' => $beschreibung,
-				'cis_suche' => $cis_suche,
-				'schlagworte' => $schlagworte,
-				'insertvon' => $insertvon,
-				'insertamum' => date('Y-m-d H:i:s')
+			// if file written successful, insert dms
+			$dmsResult = $this->_ci->DmsModel->insert(
+				array(
+					'kategorie_kurzbz' => $kategorie_kurzbz,
+					'dokument_kurzbz' => $dokument_kurzbz
+				)
 			);
 
-			$dmsVersionResult = $this->_ci->DmsVersionModel->insert($dmsVersion);
+			if (isError($dmsResult)) return $dmsResult;
 
-			// If an error occured
-			if (isError($dmsVersionResult)) return $dmsVersionResult;
+			if (hasData($dmsResult))
+			{
+				$dms_id = getData($dmsResult);
+				$version = 0;
 
-			// Return dms info
-			$resObj = new stdClass();
-			$resObj->dms_id = $dms_id;
-			$resObj->version = 0;
-			$resObj->filename = $filename;
+				// insert dms version
+				$dmsVersion = array(
+					'dms_id' => $dms_id,
+					'version' => $version,
+					'filename' => $filename,
+					'mimetype' => $mimetype,
+					'name' => $name,
+					'beschreibung' => $beschreibung,
+					'cis_suche' => $cis_suche,
+					'schlagworte' => $schlagworte,
+					'insertvon' => $this->_who,
+					'insertamum' => date('Y-m-d H:i:s')
+				);
 
-			return success($resObj);
-		}
-		else
-			return success();
+				$dmsVersionResult = $this->_ci->DmsVersionModel->insert($dmsVersion);
+
+				if (isError($dmsVersionResult)) return $dmsVersionResult;
+
+				// return dms info
+				$resObj = new stdClass();
+				$resObj->dms_id = $dms_id;
+				$resObj->version = $version;
+				$resObj->filename = $filename;
+
+				return success($resObj);
+			}
+			else
+				return error("error when inserting DMS");
 	}
 
 	/**
 	 * Writes a new file with content of fileHandle, adds a new dms version (max version number + 1) for the written file
 	 * Returns success with info of added dms version (version, filename) or error
 	 */
-	public function addNewVersion(
-		// Required parameters
-		$dms_id, $fileHandle,
-		// Optional parameters
-		$name = null, $mimetype = null, $beschreibung = null, $cis_suche = false, $schlagworte = null, $insertvon = self::DMS_SYS_NAME
-	)
+	public function addNewVersion($dms_id, $fileHandle, $name = null, $mimetype = null, $beschreibung = null, $cis_suche = false, $schlagworte = null)
 	{
-		// If the file handle is not valid
-		if ($fileHandle === false) return error('Was not possible to open the given file');
-
 		// get the latest version
 		$lastVersionResult = $this->getLastVersion($dms_id);
 
@@ -159,7 +141,7 @@ class DmsLib
 				'beschreibung' => isset($beschreibung) ? $beschreibung : $lastVersion->beschreibung,
 				'cis_suche' => isset($cis_suche) ? $cis_suche : $lastVersion->cis_suche,
 				'schlagworte' => isset($schlagworte) ? $schlagworte : $lastVersion->schlagworte,
-				'insertvon' => $insertvon,
+				'insertvon' => $this->_who,
 				'insertamum' => date('Y-m-d H:i:s')
 			);
 
@@ -175,7 +157,7 @@ class DmsLib
 			return success($resObj);
 		}
 		else
-			return success();
+			return error("last version not found");
 	}
 
 	/**
@@ -185,9 +167,6 @@ class DmsLib
 	 */
 	public function updateLastVersion($dms_id, $fileHandle, $name = null, $mimetype = null, $beschreibung = null, $cis_suche = false, $schlagworte = null)
 	{
-		// If the file handle is not valid
-		if ($fileHandle === false) return error('Was not possible to open the given file');
-
 		// get the latest version
 		$lastVersionResult = $this->getLastVersion($dms_id);
 
@@ -229,12 +208,12 @@ class DmsLib
 			return success($resObj);
 		}
 		else
-			return success();
+			return error("last version not found");
 	}
 
 	/**
 	 * Gets dms version with highest number
-	 * Returns success with dms data or error
+	 * Returns success with dms data and fileHandle with file content or error
 	 */
 	public function getLastVersion($dms_id)
 	{
@@ -258,12 +237,12 @@ class DmsLib
 			return $this->getVersion($dms_id, $lastDmsVersion);
 		}
 		else
-			return success();
+			return error("Dms last version not found");
 	}
 
 	/**
 	 * Gets specified dms version
-	 * Returns success with dms data or error
+	 * Returns success with dms data and fileHandle with file content or error
 	 */
 	public function getVersion($dms_id, $version)
 	{
@@ -275,7 +254,34 @@ class DmsLib
 			)
 		);
 
-		return $dmsVersionResult;
+		if (isError($dmsVersionResult)) return $dmsVersionResult;
+
+		if (hasData($dmsVersionResult))
+		{
+			$dmsVersion = getData($dmsVersionResult)[0];
+
+			// get file content as file pointer
+			$fileHandleResult = $this->_ci->DmsFSModel->openRead($dmsVersion->filename);
+
+			if (isError($fileHandleResult)) return $fileHandleResult;
+
+			if (hasData($fileHandleResult))
+			{
+				$fileHandle = getData($fileHandleResult);
+				$dmsVersion->{self::FILE_CONTENT_PROPERTY} = $fileHandle;
+
+				// close file pointer
+				$closeResult = $this->_ci->DmsFSModel->close($fileHandle);
+
+				if (isError($closeResult)) return $closeResult;
+
+				return success($dmsVersion);
+			}
+			else
+				return error("File could not be opened");
+		}
+		else
+			return error("Dms version not found");
 	}
 
 	/**
@@ -414,34 +420,6 @@ class DmsLib
 		return success($removeVersionResultObj);
 	}
 
-	/**
-	 * Get info from the DMS to be provided to the FHC_Controller->outputFile
-	 */
-	public function getOutputFileInfo($dms_id, $file_name = '', $disposition = 'attachment')
-	{
-		// Loads the last DMS version from database
-		$lastVersionResult = $this->getLastVersion($dms_id);
-
-		// If an error occurred then return it
-		if (isError($lastVersionResult)) return $lastVersionResult;
-
-		// If has been found
-		if (hasData($lastVersionResult))
-		{
-			$lastVersion = getData($lastVersionResult)[0];
-
-			$fileObj = new stdClass();
-			$fileObj->file = DMS_PATH.$lastVersion->filename;
-			$fileObj->name = isEmptyString($file_name) ? $lastVersion->name : $file_name;
-			$fileObj->mimetype = $lastVersion->mimetype;
-			$fileObj->disposition = $disposition;
-
-			return success($fileObj);
-		}
-
-		return success();
-	}
-
 	// -----------------------------------------------------------------------------------------------------------
 	// Private methods
 
@@ -496,5 +474,432 @@ class DmsLib
 
 		return $uniqueFilename;
 	}
-}
 
+	// -----------------------------------------------------------------------------------------------------------
+	// Deprecated methods, not to be used
+
+	/**
+	 * Load a DMS Document.
+	 * If no version is particularly given, the latest version is loaded.
+	 *
+	 * @param $dms_id
+	 * @param integer $version
+	 * @return array
+	 */
+	public function load($dms_id, $version = null)
+	{
+		if (is_numeric($dms_id))
+		{
+			$this->_ci->DmsModel->addJoin('campus.tbl_dms_version', 'dms_id');
+			$this->_ci->DmsModel->addOrder('version', 'DESC');
+			$this->_ci->DmsModel->addLimit(1);
+
+			if (!is_numeric($version))
+			{
+				return $this->_ci->DmsModel->load($dms_id);
+			}
+			else
+			{
+				return $this->_ci->DmsModel->loadWhere(array('dms_id' => $dms_id, 'version' => $version));
+			}
+		}
+
+		return error('The parameter DMS ID must be a number');
+	}
+
+	/**
+	 * Read a DMS Document from the Filesystem
+	 * @param int $dms_id ID of the Document.
+	 * @param int $version The version of the Document (latest if null).
+	 * @return object success or error
+	 */
+	public function read($dms_id, $version = null)
+	{
+		$result = error('Wrong dms_id parameter');
+
+		if (isset($dms_id))
+		{
+			$this->_ci->DmsModel->addJoin('campus.tbl_dms_version', 'dms_id');
+			$this->_ci->DmsModel->addOrder('version', 'DESC');
+			$this->_ci->DmsModel->addLimit(1);
+
+			if (!isset($version))
+			{
+				$result = $this->_ci->DmsModel->load($dms_id);
+			}
+			else
+			{
+				$result = $this->_ci->DmsModel->loadWhere(array('dms_id' => $dms_id, 'version' => $version));
+			}
+
+			// If a dms has been found
+			if (hasData($result))
+			{
+				$resultFS = $this->_ci->DmsFSModel->readBase64(getData($result)[0]->filename);
+				if (isError($resultFS)) return $resultFS; // if an error occurred return it
+
+				$result->retval[0]->{self::FILE_CONTENT_PROPERTY} = getData($resultFS);
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get all accepted Documents of a Person
+	 *
+	 * @param int $person_id ID of the person.
+	 * @param string $dokument_kurzbz Type of document.
+	 * @param bool $no_file If null then loads also the content.
+	 * @return object success or error
+	 */
+	public function getAktenAcceptedDms($person_id, $dokument_kurzbz = null, $no_file = null)
+	{
+		$result = $this->_ci->AkteModel->getAktenAcceptedDms($person_id, $dokument_kurzbz);
+
+		if (hasData($result) && $no_file == null)
+		{
+			for ($i = 0; $i < count(getData($result)); $i++)
+			{
+				$resultFS = $this->_ci->DmsFSModel->readBase64(getData($result)[$i]->filename);
+				if (isError($resultFS)) return $resultFS; // if an error occurred return it
+
+				$result->retval[$i]->{self::FILE_CONTENT_PROPERTY} = getData($resultFS);
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Uploads a document and saves it to DMS
+	 * @param $dms DMS assoc array
+	 * @param $field_name  Name of the HTML uploadfile input name attribute
+	 * @param array $allowed_types Default: all. Param example: array(jpg, pdf)
+	 * @return array
+	 */
+	public function upload($dms, $field_name, $allowed_types = array('*'))
+	{
+		// Init upload configs
+		$this->_loadUploadLibrary($allowed_types);
+
+		if (!$this->_ci->upload->do_upload($field_name))
+		{
+			return error($this->_ci->upload->display_errors());
+		}
+
+		$upload_data = $this->_ci->upload->data();  // data about the uploaded file
+
+		// Insert to DMS table
+		$insDmsResult = $this->_ci->DmsModel->insert($this->_ci->DmsModel->filterFields($dms));
+		if (isError($insDmsResult)) return $insDmsResult;
+
+		$upload_data['dms_id'] = getData($insDmsResult);
+		if(isset($upload_data['file_type']) && !isset($dms['mimetype']))
+			$dms['mimetype'] = $upload_data['file_type'];
+
+		// Insert DMS version
+		$insVersionResult = $this->_ci->DmsVersionModel->insert(
+			$this->_ci->DmsVersionModel->filterFields(
+				$dms,
+				$upload_data['dms_id'],
+				$upload_data['file_name']
+			)
+		);
+		if (isError($insVersionResult)) return $insVersionResult;
+
+		// Return result of uploaded data
+		return success($upload_data);
+	}
+
+	/**
+	 * Download a document.
+	 *
+	 * @param $dms_id
+	 * @param string $filename $filename If String is given, it will be used as filename on download
+	 * @param string $disposition [inline | attachment]
+	 *        Inline opens doc in new tab. Attachment displays download dialog box.
+	 */
+	public function download($dms_id, $filename = null, $disposition = 'inline')
+	{
+		// Retrieves info about the given dms
+		$fileInfoResult = $this->getFileInfo($dms_id);
+		if (isError($fileInfoResult)) return error(getError($fileInfoResult));
+
+		// If data have been found
+		if (hasData($fileInfoResult))
+		{
+			$fileObj = getData($fileInfoResult);
+
+			// Change filename, if filename is provided
+			if (!isEmptyString($filename)) $fileObj->name = $filename;
+
+			// Add file disposition if disposition has a valid value
+			if ($disposition == 'attachment' || $disposition == 'inline')
+			{
+				$fileObj->disposition = $disposition;
+			}
+
+			return success($fileObj);
+		}
+
+		// If no data have been found then return an empty success
+		return success();
+	}
+
+	/**
+	 * Get file information.
+	 *
+	 * @param $dms_id
+	 * @param integer $version
+	 * @return array with File Object.
+	 */
+	public function getFileInfo($dms_id, $version = null)
+	{
+		// Checks the dms_id parameter
+		if (!is_numeric($dms_id)) return error('Wrong parameter');
+
+		// Load DMS from database
+		$result = $this->load($dms_id, $version);
+		if (isError($result)) return error(getError($result));
+
+		// If data have been found
+		if (hasData($result))
+		{
+			// Store file information in fileObj
+			$fileObj = new stdClass();
+			$fileObj->filename = getData($result)[0]->filename;
+			$fileObj->file = DMS_PATH.getData($result)[0]->filename;
+			$fileObj->name = getData($result)[0]->name;   // original user filename
+			$fileObj->mimetype = getData($result)[0]->mimetype;
+
+			return success($fileObj);
+		}
+
+		// If no data have been found return an empty success
+		return success();
+	}
+
+	/**
+	 * Saves a Document
+	 * @param object $dms DMS Object ot be saved.
+	 * @return object
+	 */
+	public function save($dms)
+	{
+		$result = null;
+
+		if (isset($dms['new']) && $dms['new'] == true)
+		{
+			// Remove new parameter to avoid DB insert errors
+			unset($dms['new']);
+
+			$result = $this->_saveFileOnInsert($dms);
+			if (isSuccess($result))
+			{
+				$filename = getData($result);
+				if (isset($dms['dms_id']) && $dms['dms_id'] != '')
+				{
+					$result = $this->_ci->DmsVersionModel->insert(
+						$this->_ci->DmsVersionModel->filterFields($dms, $dms['dms_id'], $filename)
+					);
+				}
+				else
+				{
+					$result = $this->_ci->DmsModel->insert($this->_ci->DmsModel->filterFields($dms));
+					if (isSuccess($result))
+					{
+						$result = $this->_ci->DmsVersionModel->insert(
+							$this->_ci->DmsVersionModel->filterFields($dms, getData($result), $filename)
+						);
+					}
+				}
+			}
+		}
+		else
+		{
+			$result = $this->_saveFileOnUpdate($dms);
+			if (isSuccess($result))
+			{
+				$result = $this->_ci->DmsModel->update($dms['dms_id'], $this->_ci->DmsModel->filterFields($dms));
+				if (isSuccess($result))
+				{
+					$result = $this->_ci->DmsVersionModel->update(
+						array(
+							$dms['dms_id'],
+							$dms['version']
+						),
+						$this->_ci->DmsVersionModel->filterFields($dms)
+					);
+				}
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Deletes a Akte of a Person
+	 * @param int $person_id ID of the person.
+	 * @param int $dms_id Id of the Document.
+	 * @return object
+	 */
+	public function delete($person_id, $dms_id)
+	{
+		$result = null;
+
+		// If the parameters are valid
+		if (is_numeric($person_id) && is_numeric($dms_id))
+		{
+			// Start DB transaction
+			$this->_ci->db->trans_start(false);
+
+			// Get akte_id from table tbl_akte
+			$result = $this->_ci->AkteModel->loadWhere(array('person_id' => $person_id, 'dms_id' => $dms_id));
+			if (isSuccess($result))
+			{
+				// Delete all entries in tbl_akte
+				for ($i = 0; $i < count(getData($result)); $i++)
+				{
+					$this->_ci->AkteModel->delete(getData($result)[$i]->akte_id);
+				}
+
+				// Get all filenames related to this dms
+				$resultFileNames = $this->_ci->DmsVersionModel->loadWhere(array('dms_id' => $dms_id));
+				if (isSuccess($resultFileNames))
+				{
+					// Delete from tbl_dms_version
+					$result = $this->_ci->DmsVersionModel->delete(array('dms_id' => $dms_id));
+					if (isSuccess($result))
+					{
+						// Delete from tbl_dms
+						$result = $this->_ci->DmsModel->delete($dms_id);
+					}
+				}
+			}
+
+			// Transaction complete!
+			$this->_ci->db->trans_complete();
+
+			// Check if everything went ok during the transaction
+			if ($this->_ci->db->trans_status() === false || isError($result))
+			{
+				$this->_ci->db->trans_rollback();
+				$result = error('An error occurred while performing a delete operation', EXIT_ERROR);
+			}
+			else
+			{
+				$this->_ci->db->trans_commit();
+				$result = success('Dms successfully removed from DB');
+			}
+
+			// If everything is ok
+			if (isSuccess($result))
+			{
+				// Remove all files related to this person and dms
+				for ($i = 0; $i < count(getData($resultFileNames)); $i++)
+				{
+					$this->_ci->DmsFSModel->removeBase64(getData($resultFileNames)[$i]->filename);
+				}
+			}
+		}
+		else
+		{
+			$result = error('Invalid parameters');
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Loads the Content of an akte
+	 * @param int $akte_id Id of the akte.
+	 * @return object with document content or error
+	 */
+	public function getAkteContent($akte_id)
+	{
+		$akte = $this->_ci->AkteModel->load($akte_id);
+		if (hasData($akte))
+		{
+			if (getData($akte)[0]->inhalt != '')
+			{
+				return success(base64_decode(getData($akte)[0]->inhalt));
+			}
+			elseif (getData($akte)[0]->dms_id != '')
+			{
+				$dmscontent = $this->read(getData($akte)[0]->dms_id);
+				if (isSuccess($dmscontent))
+				{
+					return success(base64_decode(getData($dmscontent)[0]->file_content));
+				}
+				else
+				{
+					return error(getError($dmscontent));
+				}
+			}
+			else
+			{
+				return error('No Content available');
+			}
+		}
+		else
+		{
+			return error(getError($akte));
+		}
+	}
+
+	/**
+	 * Saves the Content of a DMS in the Filesystem
+	 * @param object $dms DMS object to be saved.
+	 * @return object
+	 */
+	private function _saveFileOnInsert($dms)
+	{
+		$filename = uniqid().'.'.pathinfo($dms['name'], PATHINFO_EXTENSION);
+
+		$result = $this->_ci->DmsFSModel->writeBase64($filename, $dms['file_content']);
+		if (isSuccess($result))
+		{
+			$result = success($filename);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Updates the File in the Filesystem
+	 * @param object $dms DMS object to update.
+	 * @return object
+	 */
+	private function _saveFileOnUpdate($dms)
+	{
+		$result = null;
+
+		if (isset($dms['version']))
+		{
+			$result = $this->read($dms['dms_id'], $dms['version']);
+
+			if (hasData($result))
+			{
+				$result = $this->_ci->DmsFSModel->writeBase64(getData($result)[0]->filename, $dms['file_content']);
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Loads the upload library of CI
+	 */
+	private function _loadUploadLibrary($allowed_types)
+	{
+		$config = array();
+		$config['upload_path'] = DMS_PATH;
+		$config['allowed_types'] = implode('|', $allowed_types);
+		$config['overwrite'] = true;
+		$config['file_name'] = uniqid().'.pdf';
+
+		$this->_ci->load->library('upload', $config);
+		$this->_ci->upload->initialize($config);
+	}
+}

application/libraries/DocumentExportLib.php

@@ -1,5 +1,5 @@
 <?php
-/* Copyright (C) 2025 fhcomplete.net
+/* Copyright (C) 2024 fhcomplete.net
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as
@@ -34,11 +34,15 @@ use SimpleXMLElement as SimpleXMLElement;
  * modifiing said data (sign()/setXMLTag_archivierbar()) or adding
  * images (addImage()) and then call output() and close().
  * Now the create, output and close functions are combined into one function and adding data and images is done via parameters.
+ * There are now two functions getContent() and showContent() where showContent() equals to output(false) and getContent equals to output(true)
  * Instead of calling addDataArray, addDataXML or addDataURL just call
  * getDataArray, getDataXML or getDataURL respectevily and use the return
- * value as $xml_data parameter in the getContent call.
+ * value as $xml_data parameter in the showContent and getContent calls.
  * Instead of calling addImages just create an array and pass it as $images
- * parameter to the getContent function.
+ * parameter to the showContent/getContent function.
+ * The old setFilename() function is now a parameter in showContent(). It is
+ * not needed in getContent() since that function does not do anything that
+ * requires a filename.
  * To get/show a signed document just pass a valid uid as $sign_user
  * parameter.
  *
@@ -59,10 +63,21 @@ use SimpleXMLElement as SimpleXMLElement;
  * 	'name' => $imagename,
  * 	'contenttype' => $imagecontenttype
  * ]];
+ * $this->documentexportlib->showContent(
+ * 	$filename,
+ * 	$vorlage,
+ * 	$xml_data,
+ * 	$oe_kurzbz,
+ * 	$version,
+ * 	$outputformat,
+ * 	null,
+ * 	null,
+ * 	$images
+ * );
  */
 class DocumentExportLib
 {
-	private $_ci;
+	private $unoconv_version;
 
 	/**
 	 * Constructor
@@ -70,14 +85,33 @@ class DocumentExportLib
 	public function __construct()
 	{
 		// Gets CI instance
-		$this->_ci =& get_instance();
+		$this->ci =& get_instance();
 
-		// Load phrases
-		$this->_ci->load->library('PhrasesLib', ['document_export', null], 'DocumentExportPhrases');
+		// Load Phrases
+		$this->ci->load->library('PhrasesLib', ['document_export', null], 'documentExportPhrases');
 
-		// Load libraries
-		$this->_ci->load->library('DocumentLib');
-		$this->_ci->load->library('SignatureLib');
+		// Which document converter has to be used
+		if (defined('DOCSBOX_ENABLED') && DOCSBOX_ENABLED === true)
+		{
+			// Use docsbox!!
+		}
+		else
+		{
+			exec('unoconv --version', $ret_arr);
+
+			if(isset($ret_arr[0]))
+			{
+				$hlp = explode(' ', $ret_arr[0]);
+				if(isset($hlp[1]))
+				{
+					$this->unoconv_version = $hlp[1];
+				}
+				else
+					show_error($this->ci->documentExportPhrases->t("document_export", "error_unoconv_version"));
+			}
+			else
+				show_error($this->ci->documentExportPhrases->t("document_export", "error_unoconv"));
+		}
 	}
 
 	/**
@@ -138,7 +172,7 @@ class DocumentExportLib
 		$xml_data = new DOMDocument;
 
 		if (!$xml_data->load($xml_url))
-			return error($this->_ci->DocumentExportPhrases->t("document_export", "error_xml_load", [
+			return error($this->ci->documentExportPhrases->t("document_export", "error_xml_load", [
 				"url" => $xml_url,
 				"xml" => $xml,
 				"params" => $params
@@ -202,7 +236,7 @@ class DocumentExportLib
 
 		$outputformat = $this->getDefaultOutputFormat($outputformat, $vorlage->mimetype);
 
-		$createResult = $this->createAndSignContent(
+		$result = $this->createAndSignContent(
 			$temp_folder,
 			$outputformat,
 			$vorlage,
@@ -213,26 +247,118 @@ class DocumentExportLib
 			$sign_user,
 			$sign_profile
 		);
-		if (isError($createResult)) {
+		if (isError($result)) {
 			$this->close($temp_folder, $source_folder);
-			return $createResult;
+			return $result;
 		}
-		$temp_filename = getData($createResult);
+		$temp_filename = getData($result);
 
 		$fsize = filesize($temp_filename);
 		$handle = fopen($temp_filename, 'r');
 		if (!$handle)
-			return error($this->_ci->DocumentExportPhrases->t("document_export", "error_file_load"));
-		$fileContentResult = fread($handle, $fsize);
+			return error($this->ci->documentExportPhrases->t("document_export", "error_file_load"));
+		$result = fread($handle, $fsize);
 		fclose($handle);
 
 		$this->close($temp_folder, $source_folder);
 
-		return success($fileContentResult);
+		return success($result);
 	}
 
 	/**
-	 * Helper function for getContent
+	 * Sets the headers and displays the Document.
+	 * On failure the exit() function will be called
+	 *
+	 * @param string				$filename
+	 * @param stdClass				$vorlage A db entry from tbl_vorlage
+	 * @param DomDocument			$xml_data
+	 * @param string				$oe_kurzbz
+	 * @param integer|null			$version (optional)
+	 * @param string				$outputformat (optional)
+	 * @param string				$sign_user (optional) Must be a valid uid
+	 * @param string				$sign_profile (optional) Signatureprofile for signing
+	 * @param array					$images (optional) Each element should have a property path, name & contenttype which are all strings
+	 *
+	 * @return void
+	 */
+	public function showContent(
+		$filename,
+		$vorlage,
+		$xml_data,
+		$oe_kurzbz,
+		$version = null,
+		$outputformat = null,
+		$sign_user = null,
+		$sign_profile = null,
+		$images = []
+	) {
+		$source_folder = getcwd();
+		$temp_folder = sys_get_temp_dir() . '/fhcunoconv-' . uniqid();
+
+		$outputformat = $this->getDefaultOutputFormat($outputformat, $vorlage->mimetype);
+
+		$result = $this->createAndSignContent(
+			$temp_folder,
+			$outputformat,
+			$vorlage,
+			$oe_kurzbz,
+			$version,
+			$xml_data,
+			$images,
+			$sign_user,
+			$sign_profile
+		);
+		if (isError($result)) {
+			$this->close($temp_folder, $source_folder);
+			exit(getError($result));
+		}
+		$temp_filename = getData($result);
+
+		$fsize = filesize($temp_filename);
+		$handle = fopen($temp_filename, 'r');
+		if (!$handle) {
+			$this->close($temp_folder, $source_folder);
+			exit($this->ci->documentExportPhrases->t("document_export", "error_file_load"));
+		}
+
+		if (headers_sent()) {
+			$this->close($temp_folder, $source_folder);
+			exit($this->ci->documentExportPhrases->t("document_export", "error_headers"));
+		}
+
+		switch ($outputformat) {
+			case 'pdf':
+				header('Content-type: application/pdf');
+				header('Content-Disposition: attachment; filename="' . $filename . '.pdf"');
+				header('Content-Length: ' . $fsize);
+				break;
+
+			case 'doc':
+				header('Content-type: application/vnd.ms-word');
+				header('Content-Disposition: attachment; filename="' . $filename . '.doc"');
+				header('Content-Length: ' . $fsize);
+				break;
+
+			case 'odt':
+				header('Content-type: application/vnd.oasis.opendocument.text');
+				header('Content-Disposition: attachment; filename="' . $filename . '.odt"');
+				header('Content-Length: ' . $fsize);
+				break;
+			default:
+				$this->close($temp_folder, $source_folder);
+				exit($this->ci->documentExportPhrases->t("document_export", "error_outputformat_missing"));
+		}
+
+		while (!feof($handle)) {
+			echo fread($handle, 8192);
+		}
+		fclose($handle);
+
+		$this->close($temp_folder, $source_folder);
+	}
+
+	/**
+	 * Helper function for getContent and showContent.
 	 * Creates the temp folder and calls create and sign functions.
 	 *
 	 * @param string				$temp_folder
@@ -261,13 +387,13 @@ class DocumentExportLib
 		mkdir($temp_folder);
 		chdir($temp_folder);
 
-		$this->_ci->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
+		$this->ci->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
 
-		$result = $this->_ci->VorlagestudiengangModel->getCurrent($vorlage->vorlage_kurzbz, $oe_kurzbz, $version);
+		$result = $this->ci->VorlagestudiengangModel->getCurrent($vorlage->vorlage_kurzbz, $oe_kurzbz, $version);
 		if (isError($result))
 			return $result;
 		if (!hasData($result))
-			return error($this->_ci->DocumentExportPhrases->t("document_export", "error_template_missing"));
+			return error($this->ci->documentExportPhrases->t("document_export", "error_template_missing"));
 		$vorlage_stg = current(getData($result));
 		foreach ($vorlage_stg as $k => $v)
 			$vorlage->$k = $v;
@@ -311,7 +437,7 @@ class DocumentExportLib
 	{
 		$content_xsl = new DOMDocument();
 		if (!$content_xsl->loadXML($vorlage->text))
-			return error($this->_ci->DocumentExportPhrases->t("document_export", "error_xsl_load"));
+			return error($this->ci->documentExportPhrases->t("document_export", "error_xsl_load"));
 
 		$proc = new XSLTProcessor();
 		$proc->importStyleSheet($content_xsl);
@@ -328,7 +454,7 @@ class DocumentExportLib
 		if ($vorlage->style) {
 			$styles_xsl = new DOMDocument();
 			if (!$styles_xsl->loadXML($vorlage->style))
-				return error($this->_ci->DocumentExportPhrases->t("document_export", "error_styles_load"));
+				return error($this->ci->documentExportPhrases->t("document_export", "error_styles_load"));
 			$style_proc = new XSLTProcessor();
 			$style_proc->importStyleSheet($styles_xsl);
 
@@ -356,7 +482,7 @@ class DocumentExportLib
 		$tempname_zip = $temp_folder . '/out.zip';
 
 		if (!copy($zipfile, $tempname_zip))
-			return error($this->_ci->DocumentExportPhrases->t("document_export", "error_file_copy"));
+			return error($this->ci->documentExportPhrases->t("document_export", "error_file_copy"));
 
 		exec("zip $tempname_zip content.xml");
 		if (!is_null($styles_xsl))
@@ -376,7 +502,7 @@ class DocumentExportLib
 
 			$manifest_xml = new DOMDocument;
 			if (!$manifest_xml->loadXML($manifest))
-				return error($this->_ci->DocumentExportPhrases->t("document_export", "error_manifest"));
+				return error($this->ci->documentExportPhrases->t("document_export", "error_manifest"));
 
 			//root-node holen
 			$root = $manifest_xml->getElementsByTagName('manifest')->item(0);
@@ -403,16 +529,42 @@ class DocumentExportLib
 
 		clearstatcache();
 
-		$temp_filename = $temp_folder . '/out.' . $outputformat;
 		switch ($outputformat) {
 			case 'pdf':
 			case 'doc':
-				$converResult = $this->_ci->documentlib->convert($tempname_zip, $temp_filename, $outputformat);
+				$ret = 0;
+				$temp_filename = $temp_folder . '/out.' . $outputformat;
 
-				if (isError($converResult))
-					return error($this->_ci->DocumentExportPhrases->t('document_export', 'error_conv_timeout'));
+				if (defined('DOCSBOX_ENABLED') && DOCSBOX_ENABLED === true) {
+					// Use docsbox
+
+					$this->ci->load->library("DocsboxLib");
+
+					$docboxlib = get_class($this->ci->docboxlib);
+
+					$ret = $docboxlib::convert($tempname_zip, $temp_filename, $outputformat);
+				} else {
+					// Use unoconv
+
+					// Unoconv Version 0.6 hat eine Bug wodurch die Berechtigungen des PDF/Doc nicht korrekt gesetzt
+					// werden. Deshalb wird dies hier speziell behandelt.
+					// Die 2. Variante hat den Vorteil dass hier eine bessere Fehlerbehandlung moeglich ist
+					if ($this->unoconv_version == '0.6')
+						$command = 'unoconv -e IsSkipEmptyPages=false -f ' . $outputformat . '  %2$s > %1$s';
+					else
+						$command = 'unoconv -e IsSkipEmptyPages=false -f ' . $outputformat . ' --output %s %s 2>&1';
+
+					$command = sprintf($command, $temp_filename, $tempname_zip);
+
+					exec($command, $out, $ret);
+				}
+
+				if ($ret)
+					return error($this->ci->documentExportPhrases->t("document_export", "error_conv_timeout"));
 				break;
 			case 'odt':
+			default:
+				$temp_filename = $tempname_zip;
 		}
 
 		return success($temp_filename);
@@ -432,15 +584,63 @@ class DocumentExportLib
 	 */
 	protected function sign($temp_folder, $temp_filename, $outputformat, $user, $profile)
 	{
-		if ($outputformat != 'pdf') return error($this->_ci->DocumentExportPhrases->t('document_export', 'error_sign_pdf'));
+		if ($outputformat != 'pdf')
+			return error($this->ci->documentExportPhrases->t("document_export", "error_sign_pdf"));
 
-		$signed_filename = $this->_ci->signaturelib->sign($temp_folder, $temp_filename, $user, $profile);
+		// Load the File
+		$file_data = file_get_contents($temp_filename);
 
-		// If fine then return it
-		if (isSuccess($signed_filename)) return $signed_filename;
+		$data = new stdClass();
+		$data->document = base64_encode($file_data);
 
-		// Otherwise it is an error
-		return error($this->_ci->DocumentExportPhrases->t('global', 'unknown_error', ['error' => getError($signed_filename)]));
+		// Signatur Profil
+		if (!is_null($profile))
+			$data->profile = $profile;
+		else
+			$data->profile = SIGNATUR_DEFAULT_PROFILE;
+
+		// Username des Endusers der die Signatur angefordert hat
+		$data->user = $user;
+
+		$ch = curl_init();
+
+		curl_setopt($ch, CURLOPT_URL, SIGNATUR_URL . '/' . SIGNATUR_SIGN_API);
+		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 7);
+		curl_setopt($ch, CURLOPT_USERAGENT, "FH-Complete");
+
+		// SSL Zertifikatsprüfung deaktivieren
+		// Besser ist es das Zertifikat am Server zu installieren!
+		//curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
+		//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+
+		$data_string = json_encode($data, JSON_FORCE_OBJECT);
+
+		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
+		curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($ch, CURLOPT_HTTPHEADER, [
+			'Content-Type: application/json',
+			'Content-Length:' . mb_strlen($data_string),
+			'Authorization: Basic ' . base64_encode(SIGNATUR_USER . ":" . SIGNATUR_PASSWORD)
+		]);
+
+		$result = curl_exec($ch);
+		if (curl_errno($ch)) {
+			curl_close($ch);
+			return error($this->ci->documentExportPhrases->t("document_export", "error_sign_timeout"));
+		}
+		curl_close($ch);
+		$resultdata = json_decode($result);
+
+		// If it is success
+		if (isset($resultdata->error) && $resultdata->error == 0) {
+			$signed_filename = $temp_folder . '/signed.pdf';
+			file_put_contents($signed_filename, base64_decode($resultdata->retval));
+			return success($signed_filename);
+		}
+
+		// otherwise if it is an error
+		return error($resultdata->retval ?? $this->ci->documentExportPhrases->t("global", "unknown_error", ["error" => $result]));
 	}
 
 	/**
@@ -517,4 +717,3 @@ class DocumentExportLib
 		return 'pdf';
 	}
 }
-

application/libraries/DocumentLib.php

@@ -4,8 +4,7 @@ if (! defined('BASEPATH')) exit('No direct script access allowed');
 
 class DocumentLib
 {
-	private $_ci;
-	private $_unoconv_version;
+	private $unoconv_version;
 
 	/**
 	 * Constructor
@@ -13,10 +12,7 @@ class DocumentLib
 	public function __construct()
 	{
 		// Gets CI instance
-		$this->_ci =& get_instance();
-
-		// Load phrases
-		$this->_ci->load->library('PhrasesLib', ['document_export', null], 'DocumentExportPhrases');
+		$this->ci =& get_instance();
 
 		// Which document converter has to be used
 		if (defined('DOCSBOX_ENABLED') && DOCSBOX_ENABLED === true)
@@ -32,13 +28,13 @@ class DocumentLib
 				$hlp = explode(' ', $ret_arr[0]);
 				if(isset($hlp[1]))
 				{
-					$this->_unoconv_version = $hlp[1];
+					$this->unoconv_version = $hlp[1];
 				}
 				else
-					show_error($this->_ci->DocumentExportPhrases->t('document_export', 'error_unoconv_version'));
+					show_error('Could not get Unoconv Version');
 			}
 			else
-				show_error($this->_ci->DocumentExportPhrases->t('document_export', 'error_unoconv'));
+				show_error('Unoconv not found - Please install Unoconv');
 		}
 	}
 
@@ -60,7 +56,7 @@ class DocumentLib
 			case 'image/jpeg':
 			case 'image/jpg':
 			case 'image/pjpeg':
-				$this->_jpegToPdf($filename, $outFile);
+				$this->_jpegtopdf($filename, $outFile);
 				return success($outFile);
 			case 'application/vnd.oasis.opendocument.spreadsheet':
 			case 'application/msword':
@@ -76,19 +72,23 @@ class DocumentLib
 				else
 				{
 					// Unoconv Version 0.6 seems to fail on converting TXT Files
-					if ($this->_unoconv_version == '0.6') return error('Unoconv Version 0.6 does not convert TXT Files correctly');
+					if ($this->unoconv_version == '0.6')
+						return error();
 				}
 
-				// Convertion
 				$ret = $this->convert($filename, $outFile, 'pdf');
-				if(isSuccess($ret)) return success($outFile);
-
-				// Error
-				return $ret;
+				if(isSuccess($ret))
+				{
+					return success($outFile);
+				}
+				else
+				{
+					return error(getError($ret));
+				}
 			case 'application/pdf':
 				return success($filename);
 			default:
-				return error('Unknown Mimetype:' . $mimetype);
+				return error('Unknown Mimetype:'.$mimetype);
 		}
 	}
 
@@ -101,20 +101,20 @@ class DocumentLib
 	 */
 	public function mergePDF($files, $outFile)
 	{
-		$cmd = 'gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=$outFile ';
+		$cmd = "gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=$outFile ";
 		$finfo = finfo_open(FILEINFO_MIME_TYPE);
 
 		// add all pdf files to the command
 		foreach ($files as $f)
 		{
-			$cmd .= $f.' ';
+			$cmd .= $f." ";
 			if (!file_exists($f))
 			{
 				return error("File not found: '$f'");
 			}
-			if (finfo_file($finfo, $f) != 'application/pdf')
+			if (finfo_file($finfo, $f) != "application/pdf")
 			{
-				return error('Wrong format('.finfo_file($finfo, $f)."): '$f'");
+				return error("Wrong format(".finfo_file($finfo, $f)."): '$f'");
 			}
 		}
 
@@ -144,13 +144,13 @@ class DocumentLib
 		// If it is set to use docsbox
 		if (defined('DOCSBOX_ENABLED') && DOCSBOX_ENABLED === true)
 		{
-			require_once(dirname(__FILE__).'/DocsboxLib.php');
+			require_once(dirname(__FILE__).'/../application/libraries/DocsboxLib.php');
 
 			$ret = DocsboxLib::convert($inFile, $outFile, $format);
 		}
 		else // otherwise use unoconv
 		{
-			if ($this->_unoconv_version == '0.6')
+			if ($this->unoconv_version == '0.6')
 				$command = 'unoconv -f %1$s  %3$s > %2$s';
 			else
 				$command = 'unoconv -f %s --output %s %s 2>&1';
@@ -175,7 +175,7 @@ class DocumentLib
 	 * @param string $outfile Path to Output (pdf) File.
 	 * @return success or error object
 	 */
-	private function _jpegToPdf($filename, $outfile)
+	private function _jpegtopdf($filename, $outfile)
 	{
 		if (!file_exists($filename))
 			return error('File does not exists');
@@ -230,4 +230,3 @@ class DocumentLib
 		return true;
 	}
 }
-

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/SignatureLib.php

@@ -36,7 +36,15 @@ class SignatureLib
 		try
 		{
 			// Dont send Document if it is bigger than 30 MB (Limit of Signature Server)
-			if (filesize($inputFileName) > 30000000) return $this->_returnObject(1, 1, 'File too big');
+			if (filesize($inputFileName) > 30000000)
+			{
+				$returnObject = new stdClass();
+				$returnObject->code = 1;
+				$returnObject->error = 1;
+				$returnObject->retval = 'File to big';
+
+				return $returnObject;
+			}
 
 			// Get the content of the given file
 			$inputFileContent = file_get_contents($inputFileName);
@@ -74,80 +82,4 @@ class SignatureLib
 		// Otherwise return a null as error
 		return null;
 	}
-
-	/**
-	 *
-	 */
-	public function sign($temp_folder, $inputFileName, $user, $profile)
-	{
-		// Load the File
-		$file_data = file_get_contents($inputFileName);
-
-		$data = new stdClass();
-		$data->document = base64_encode($file_data);
-
-		// Signatur Profil
-		if (!is_null($profile))
-				$data->profile = $profile;
-		else
-				$data->profile = SIGNATUR_DEFAULT_PROFILE;
-
-		// Username des Endusers der die Signatur angefordert hat
-		$data->user = $user;
-
-		$ch = curl_init();
-
-		curl_setopt($ch, CURLOPT_URL, SIGNATUR_URL . '/' . SIGNATUR_SIGN_API);
-		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 7);
-		curl_setopt($ch, CURLOPT_USERAGENT, "FH-Complete");
-
-		// SSL Zertifikatsprüfung deaktivieren
-		// Besser ist es das Zertifikat am Server zu installieren!
-		//curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
-		//curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
-
-		$data_string = json_encode($data, JSON_FORCE_OBJECT);
-
-		curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
-		curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
-		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-		curl_setopt($ch, CURLOPT_HTTPHEADER, [
-				'Content-Type: application/json',
-				'Content-Length:' . mb_strlen($data_string),
-				'Authorization: Basic ' . base64_encode(SIGNATUR_USER . ':' . SIGNATUR_PASSWORD)
-		]);
-
-		$result = curl_exec($ch);
-		if (curl_errno($ch)) {
-				curl_close($ch);
-				return $this->_returnObject(1, 1, 'CURL error');
-		}
-		curl_close($ch);
-		$resultdata = json_decode($result);
-
-		// If it is success
-		if (isset($resultdata->error) && $resultdata->error == 0)
-		{
-			$signed_filename = $temp_folder . '/signed.pdf';
-			file_put_contents($signed_filename, base64_decode($resultdata->retval));
-			return $this->_returnObject(0, 0, $signed_filename);
-		}
-
-		// Otherwise it is an error
-		return $this->_returnObject(1, 1, 'Error while signing the given document');
-	}
-
-	/**
-	 *
-	 */
-	private function _returnObject($code, $error, $retval)
-	{
-		$returnObject = new stdClass();
-		$returnObject->code = $code;
-		$returnObject->error = $error;
-		$returnObject->retval = $retval;
-
-		return $returnObject;
-	}
 }
-

application/libraries/collision/checks/LectureCollisionCheck.php

@@ -0,0 +1,312 @@
+<?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, other_kalender.von, other_kalender.kalender_id as other_kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter other_lehreinheithreinheit_ma', 'other_lehreinheithreinheit_ma.mitarbeiter_uid = current_lehreinheit_ma.mitarbeiter_uid');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit other_lehreinheit', 'other_lehreinheit.lehreinheit_id = other_lehreinheithreinheit_ma.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit other_kalender_le', 'other_kalender_le.lehreinheit_id = other_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_kalender_le.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where(
+			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+		$result = $this->_ci->KalenderModel->load();
+		if (!isError($result) && hasData($result))
+		{
+			foreach (getData($result) as $row)
+			{
+				$grouped[$row->kalender_id][] = [
+					'message' => $this->_ci->phraseslib->t('ui', 'ma_le_kollision') . ': ' . $row->mitarbeiter_uid,
+					'kalender_id' => $row->other_kalender_id,
+					'datum' => $row->von,
+				];
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id, current_lehreinheit_ma.mitarbeiter_uid, other_kalender.von, other_kalender.kalender_id as other_kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_lehreinheit current_kalender_le', 'current_kalender_le.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheit current_lehreinheit', 'current_lehreinheit.lehreinheit_id = current_kalender_le.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_lehreinheitmitarbeiter current_lehreinheit_ma', 'current_lehreinheit_ma.lehreinheit_id = current_lehreinheit.lehreinheit_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event_teilnehmer other_t', 'other_t.uid = current_lehreinheit_ma.mitarbeiter_uid');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_event other_e', 'other_e.kalender_id = other_t.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_e.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', ['archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview']);
+		$this->_ci->KalenderModel->db->where_not_in('current_lehreinheit_ma.mitarbeiter_uid', $kollisionsfreie_user);
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where(
+			'other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)',
+			null, false
+		);
+		$result = $this->_ci->KalenderModel->load();
+		if (!isError($result) && hasData($result))
+		{
+			foreach (getData($result) as $row)
+			{
+				$grouped[$row->kalender_id][] = [
+					'message' => $this->_ci->phraseslib->t('ui', 'reservierung_kollision') . ': ' . $row->mitarbeiter_uid,
+					'kalender_id' => $row->other_kalender_id,
+					'datum' => $row->von,
+				];
+			}
+		}
+
+		$this->_ci->KalenderModel->addSelect('tbl_kalender.kalender_id, z.mitarbeiter_uid, tbl_kalender.von');
+		$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 +1,94 @@
+<?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, other_kalender.von, other_kalender.kalender_id as other_kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort current_ort', 'current_ort.kalender_id = tbl_kalender.kalender_id');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender_ort other_ort', 'other_ort.ort_kurzbz = current_ort.ort_kurzbz');
+		$this->_ci->KalenderModel->addJoin('lehre.tbl_kalender other_kalender', 'other_kalender.kalender_id = other_ort.kalender_id');
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id != tbl_kalender.kalender_id', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.von < tbl_kalender.bis', null, false);
+		$this->_ci->KalenderModel->db->where('other_kalender.bis > tbl_kalender.von', null, false);
+		$this->_ci->KalenderModel->db->where_not_in('other_kalender.status_kurzbz', array('archived', 'deleted', 'to_delete', 'to_delete_live', 'to_delete_preview'));
+
+		$this->_ci->KalenderModel->db->group_start();
+		$where_ids_chunks = array_chunk($kalender_ids,25);
+		foreach($where_ids_chunks as $where_ids)
+		{
+			$this->_ci->KalenderModel->db->or_where_in('tbl_kalender.kalender_id', $where_ids);
+		}
+		$this->_ci->KalenderModel->db->group_end();
+
+		$this->_ci->KalenderModel->db->where('other_kalender.kalender_id NOT IN (SELECT vorgaenger_kalender_id FROM lehre.tbl_kalender WHERE vorgaenger_kalender_id IS NOT NULL)', null, false);
+
+		$result = $this->_ci->KalenderModel->load();
+
+
+		if (isError($result) || !hasData($result)) return [];
+
+		$grouped = [];
+		foreach (getData($result) as $row)
+		{
+			$grouped[$row->kalender_id][] = [
+				'message' => $this->_ci->phraseslib->t('ui', 'raum_kollision') . ': ' . $row->ort_kurzbz,
+				'kalender_id' => $row->other_kalender_id,
+				'datum' => $row->von,
+			];
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/StudentCollisionCheck.php

@@ -0,0 +1,290 @@
+<?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, other_kalender.von, other_kalender.kalender_id as other_kalender_id
+			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, other_kalender.von, other_kalender.kalender_id as other_kalender_id
+			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,
+				'kalender_id' => $row->other_kalender_id,
+				'datum' => $row->von,
+			];
+		}
+
+		return $grouped;
+	}
+}

application/libraries/collision/checks/VerbandCollisionCheck.php

@@ -0,0 +1,426 @@
+<?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,
+					other_kalender.von, other_kalender.kalender_id as other_kalender_id
+			FROM lehre.tbl_kalender current_kalender
+
+			JOIN (
+				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
+					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
+				FROM lehre.tbl_kalender_lehreinheit
+				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				UNION
+				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
+					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
+				FROM lehre.tbl_kalender_event_teilnehmer
+			) current_lehreinheitguppe ON current_lehreinheitguppe.kalender_id = current_kalender.kalender_id
+	
+			LEFT JOIN public.tbl_gruppe current_gruppe
+				ON current_gruppe.gruppe_kurzbz = current_lehreinheitguppe.gruppe_kurzbz
+	
+			JOIN lehre.tbl_kalender other_kalender
+				ON other_kalender.kalender_id != current_kalender.kalender_id
+				AND other_kalender.von < current_kalender.bis
+				AND other_kalender.bis > current_kalender.von
+	
+			JOIN (
+				SELECT tbl_lehreinheitgruppe.studiengang_kz, tbl_lehreinheitgruppe.semester, tbl_lehreinheitgruppe.verband, tbl_lehreinheitgruppe.gruppe,
+					tbl_lehreinheitgruppe.gruppe_kurzbz, tbl_kalender_lehreinheit.kalender_id
+				FROM lehre.tbl_kalender_lehreinheit
+				JOIN lehre.tbl_lehreinheit ON tbl_lehreinheit.lehreinheit_id = tbl_kalender_lehreinheit.lehreinheit_id
+				JOIN lehre.tbl_lehreinheitgruppe ON tbl_lehreinheitgruppe.lehreinheit_id = tbl_lehreinheit.lehreinheit_id
+				UNION
+				SELECT tbl_kalender_event_teilnehmer.studiengang_kz, tbl_kalender_event_teilnehmer.semester, tbl_kalender_event_teilnehmer.verband, tbl_kalender_event_teilnehmer.gruppe,
+					tbl_kalender_event_teilnehmer.gruppe_kurzbz, tbl_kalender_event_teilnehmer.kalender_id
+				FROM lehre.tbl_kalender_event_teilnehmer
+			) other_lehreinheitguppe ON other_lehreinheitguppe.kalender_id = other_kalender.kalender_id
+	
+			LEFT JOIN public.tbl_gruppe other_gruppe
+				ON other_gruppe.gruppe_kurzbz = other_lehreinheitguppe.gruppe_kurzbz
+	
+			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,
+				'kalender_id' => $row->other_kalender_id,
+				'datum' => $row->von,
+			];
+		}
+
+		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/crm/Akte_model.php

@@ -248,5 +248,60 @@ class Akte_model extends DB_Model
 
 		return success($dokumente->retval);
 	}
-}
 
+	/**
+	 * Liefert die Archivdokumente einer Person/mehrerer Personen
+	 *
+	 * @param integer/array				$person_id
+	 * @param boolean|null			$signiert			Wenn true werden nur Dokumente geliefert die digital signiert wurden.
+	 * @param boolean|null			$stud_selfservice	Wenn true werden nur Dokumente geliefert die Studierende selbst herunterladen duerfen.
+	 *
+	 * @return stdClass
+	 */
+	public function getArchiv($person_id, $signiert = null, $stud_selfservice = null)
+	{
+		$this->addSelect('akte_id');
+		$this->addSelect('person_id');
+		$this->addSelect('dokument_kurzbz');
+		$this->addSelect('mimetype');
+		$this->addSelect('erstelltam');
+		$this->addSelect('gedruckt');
+		$this->addSelect('titel_intern');
+		$this->addSelect('anmerkung_intern');
+		$this->addSelect('titel');
+		$this->addSelect('bezeichnung');
+		$this->addSelect('updateamum');
+		$this->addSelect('insertamum');
+		$this->addSelect('updatevon');
+		$this->addSelect('insertvon');
+		$this->addSelect('uid');
+		$this->addSelect('dms_id');
+		$this->addSelect('anmerkung');
+		$this->addSelect('nachgereicht');
+		$this->addSelect('CASE WHEN inhalt is not null THEN true ELSE false END as inhalt_vorhanden', false);
+		$this->addSelect('nachgereicht_am');
+		$this->addSelect('ausstellungsnation');
+		$this->addSelect('formal_geprueft_amum');
+		$this->addSelect('archiv');
+		$this->addSelect('signiert');
+		$this->addSelect('stud_selfservice');
+		$this->addSelect('akzeptiertamum');
+
+		if ($signiert !== null)
+			$this->db->where('signiert', (boolean)$signiert);
+		if ($stud_selfservice !== null)
+			$this->db->where('stud_selfservice', (boolean)$stud_selfservice);
+
+		if (is_array($person_id))
+			$this->db->where_in('person_id', $person_id);
+		else
+			$this->db->where('person_id', $person_id);
+
+		$this->addOrder('erstelltam', 'DESC');
+		$this->addOrder('akte_id', 'DESC');
+
+		return $this->loadWhere([
+			'archiv' => true
+		]);
+	}
+}

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/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>

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; */

public/css/Cis4/CoreCalendarEvents.css

@@ -97,3 +97,16 @@
 	display: none;
 }
 
+.tag-row-cell {
+	width: 100%;
+	max-width: 0;
+}
+
+.tag-row-wrapper,
+.tag-row-wrapper > * {
+	display: flex;
+	flex-wrap: wrap !important;
+	max-width: 100%;
+	white-space: normal !important;
+	overflow: visible !important;
+}

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 +1,289 @@
+@import './Fhc.css';
+@import './components/searchbar/searchbar.css';
+@import './components/verticalsplit.css';
+@import './components/FilterComponent.css';
+@import './components/Tabs.css';
+@import './components/Notiz.css';
+
+html {
+	font-size: 0.875em;
+	height: 100%;
+}
+
+body {
+	/*display: flex;*/
+	height: 100%;
+}
+.heightfull {
+	height: 95%;
+}
+.navbar-dark .navbar-brand:focus {
+	box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+	z-index: 3;
+}
+#main {
+	height: 100%;
+}
+.tempus {
+	height: 100%;
+}
+.searchbar {
+	margin-right: 0 !important;
+}
+.searchbar > .input-group {
+	margin-right: 0 !important;
+}
+.searchbar > .input-group > * {
+	border-radius: 0 !important;
+}
+
+#sidebarMenu {
+	width: 0%;
+}
+
+.tabulator-row.disabled.tabulator-row-odd .tabulator-cell {
+	color: var(--gray-400);
+}
+.tabulator-row.disabled.tabulator-row-even .tabulator-cell {
+	color: var(--gray-500);
+}
+
+/* Dropdown Toolbar Interessent, submenu */
+.dropend .dropdown-toggle.d-flex::after {
+	height: 0;
+}
+
+@media (min-width: 768px) {
+	#sidebarMenu {
+		visibility: visible !important;
+		transform: none;
+		position: inherit;
+		z-index: 1;
+	}
+}
+
+.toast.toast-success {
+	color: #0f5132;
+	background-color: #d1e7dd !important;
+	border-color: #badbcc !important;
+}
+.toast.toast-danger {
+	color: #842029;
+	background-color: #f8d7da !important;
+	border-color: #f5c2c7 !important;
+}
+
+.has-filter .fa-filter {
+	color: var(--bs-success);
+}
+
+#parkingslot {
+	border: 1px dashed;
+	min-height: 5vh;
+	max-height: 15vh;
+	color: #aaaaaa;
+	text-align: center;
+	font-size: large;
+	margin-top: 1.25rem;
+	overflow-y: auto;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	flex-wrap: wrap;
+}
+
+.course-picker {
+	border: 1px dashed #aaaaaa;
+	display: flex;
+	flex-direction: column;
+	flex: 1 1 0;
+	min-height: 0;
+}
+
+.course-picker-row {
+	padding: 0.5rem;
+	margin-bottom: 0.5rem;
+	border: 1px solid var(--bs-border-color);
+	background-color: var(--event-bg);
+}
+
+.course-parker {
+	position: relative;
+	border: 1px dashed !important;
+	padding: 0.5rem;
+	margin: 0.5rem;
+	background-color: var(--event-bg);
+	color: var(--event-color, var(--fhc-calendar-color-event, #000));
+}
+
+.unpark-btn {
+	position: absolute;
+	top: 2px;
+	right: 2px;
+	padding: 0 4px;
+	border: none;
+	background: transparent;
+}
+:root{
+	--fhc-calendar-pane-height: calc(100vh - 120px);
+}
+
+.eckerltest {
+	box-shadow: 3px 3px 3px #ccc;
+}
+
+.verband-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	max-height: 450px;
+	overflow-y: auto;
+	display: flex;
+	flex-direction: column;
+}
+
+.lecture-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	max-height: 20vh;
+	overflow-y: auto;
+	display: flex;
+	flex-direction: column;
+}
+
+.room-selection {
+	border: 1px dashed #aaaaaa;
+	margin-bottom: 0.5rem;
+	padding: 0.5rem 0 0.5rem 0.5rem;
+}
+
+.btn-link.text-danger {
+	text-decoration: none;
+	font-weight: 600;
+}
+
+.btn-link.text-danger:hover {
+	color: #dc3545;
+	transform: scale(1.1);
+}
+
+.bg-lecturer-wish {
+	opacity: 0.15;
+}
+.bg-lecturer-block {
+	background: rgba(255, 0, 0, 0.15);
+}
+
+
+.bg-raumvorschlag-slot {
+	opacity: .70;
+}
+
+.bg-raumvorschlag-slot.rating-good {
+	background-color: var(--bs-success);
+}
+.bg-raumvorschlag-slot.rating-mid {
+	background-color: var(--bs-warning);
+}
+.bg-raumvorschlag-slot.rating-bad {
+	background-color: var(--bs-danger);
+}
+
+
+.wish-w--2 {
+	background-color: #ff2200;
+}
+.wish-w--1 {
+	background-color: #ff9922;
+}
+.wish-w-1 {
+	background-color: #ccffcc;
+}
+.wish-w-2 {
+	background-color: #48fa66;
+}
+
+.fhc-calendar-base-grid-line-event {
+	position: relative !important;
+}
+
+.room-option {
+	display: grid;
+	grid-template-columns: 20px minmax(80px, 110px) minmax(100px, 1fr) auto 20px 50px;
+	align-items: center;
+	width: 100%;
+}
+
+.updated-event {
+	position: relative !important;
+	z-index: 10;
+	animation: modernFocus 1s ease-out;
+	border-radius: 0.25rem;
+}
+
+.updated-event-long {
+	position: relative !important;
+	z-index: 10;
+	animation: modernFocus 1.8s ease-out;
+	border-radius: 0.25rem;
+}
+
+@keyframes modernFocus {
+	0% {
+		background-color: #cfd4d8;
+		box-shadow:
+			0 0 0 0 rgba(120, 120, 120, 0.8),
+			0 0 0 0 rgba(255, 255, 255, 0.6);
+	}
+
+	30% {
+		background-color: #eef1f3;
+		box-shadow:
+			0 0 0 8px rgba(120, 120, 120, 0.25),
+			0 0 30px 8px rgba(255, 255, 255, 0.7);
+	}
+
+	60% {
+		background-color: #f7f8f9;
+		box-shadow:
+			0 0 0 14px rgba(120, 120, 120, 0.15),
+			0 0 45px 12px rgba(255, 255, 255, 0.5);
+	}
+
+	100% {
+		background-color: inherit;
+		box-shadow:
+			0 0 0 24px rgba(120, 120, 120, 0),
+			0 0 60px 20px rgba(255, 255, 255, 0);
+	}
+}
+
+.spinner-overlay {
+	position: absolute;
+	inset: 0; /* top:0 right:0 bottom:0 left:0 */
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	z-index: 9999;
+	background: rgba(255, 255, 255, 1);
+	opacity: 0.4;
+}
+
+.spinner {
+	width: 40px;
+	height: 40px;
+	border: 4px solid #ddd;
+	border-top: 4px solid #007bff;
+	border-radius: 50%;
+	animation: spin 0.8s linear infinite;
+}
+
+@keyframes spin {
+	to {
+		transform: rotate(360deg);
+	}
+}
+
+.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/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 +1,195 @@
+
+export default {
+	getPlan(filter, start_date, end_date, collisionCheck = true, maxDailyEventLimit = null)
+	{
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Kalender/getPlan',
+			params: {
+				...filter,
+				start_date,
+				end_date,
+				collisionCheck,
+				...(maxDailyEventLimit == null ? {} : { maxDailyEventLimit })
+			}
+		};
+	},
+	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, collisionCheck = true, maxDailyEventLimit = null)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getPlanLecturer',
+			params: {
+				start_date,
+				end_date,
+				collisionCheck,
+				...(maxDailyEventLimit == null ? {} : { maxDailyEventLimit })
+			}
+		};
+	},
+	getPlanStudent(start_date, end_date, collisionCheck = true, maxDailyEventLimit = null)
+	{
+		return {
+			method: 'get',
+			url: '/api/frontend/v1/tempus/Kalender/getPlanStudent',
+			params: {
+				start_date,
+				end_date,
+				collisionCheck,
+				...(maxDailyEventLimit == null ? {} : { maxDailyEventLimit })
+			}
+		};
+	},
+
+	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 = true) {
+		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 +1,66 @@
+/**
+ * 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}
+		};
+	},
+	updateTeilnehmer(kalender_id, teilnehmer, gruppen) {
+		return {
+			method: 'post',
+			url: '/api/frontend/v1/tempus/Reservierung/updateTeilnehmer',
+			params: { kalender_id, teilnehmer, gruppen }
+		};
+	},
+
+};

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
+		};
+	},
+};