merge Master into feature-39571/Studierendenverwaltung_CoreNotizcontroller

2026-06-01 20:29:29 +00:00 · 2026-02-02 16:21:47 +01:00
parent 0a2afadb0a 326d4b3923
commit b9eaac18b0
128 changed files with 6230 additions and 1347 deletions
@@ -61,7 +61,11 @@ $config['tabs'] =
 		'notes' => [
 			//if true, the count of Messages will be shown in the header of the Tab Messages
 			'showCountNotes' => true
-		]
+		],
+		'combinePeople' => [
+			//multitab should only be shown with this length of selection
+			'validCountMulti' => 2,
+		],
 	];

 // List of fields to show when ZGV_DOKTOR_ANZEIGEN is defined
@@ -84,9 +88,14 @@ if (!defined('ZGV_DOKTOR_ANZEIGEN') || !ZGV_DOKTOR_ANZEIGEN) {
 	);
 }

-$config['tabs']['projektarbeit']['defaultProjektbetreuerStunden'] = '4.0';
-$config['tabs']['projektarbeit']['defaultProjektbetreuerStundenDiplom'] = '5.0';
-$config['tabs']['projektarbeit']['lvLektroinnenzuteilungFixangestelltStundensatz'] = true;
+$config['tabs']['projektarbeit']['defaultProjektbetreuerStunden'] =
+	defined('FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_BACHELOR')
+	? FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_BACHELOR
+	: '0.0';
+$config['tabs']['projektarbeit']['defaultProjektbetreuerStundenDiplom'] =
+	defined('FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_MASTER')
+	? FAS_STUDIERENDE_PROJEKTARBEIT_DEFAULT_BETREUER_STUNDEN_MASTER
+	: '0.0';
 $config['tabs']['projektarbeit']['defaultProjektbetreuerStundensatz'] = '80.0';

 $config['student_tab_order'] = [
@@ -115,8 +124,10 @@ $config['student_tab_order'] = [
 $config['students_tab_order'] = [
 	'banking',
 	'status',
+	'messages',
 	'groups',
 	'finalexam',
+	'combinePeople',
 	'archive',
 ];

@@ -14,7 +14,7 @@ class Pub extends Auth_Controller
 	{
 		parent::__construct(
 		    array(
-			'bild' => ['basis/cis:r']
+			'bild' => ['basis/cis:r', 'assistenz:r']
 		    )
 		);
 	}
@@ -20,11 +20,18 @@ class NeueNachricht extends Auth_Controller
 	 */
 	public function _remap()
 	{
+		$typeid = $this->input->post('typeid');
+		$ids = ($this->input->post('ids') && strpos($this->input->post('ids'), ',')) 
+			? explode(',', $this->input->post('ids'))
+			: $this->input->post('ids');
+
 		//now working
 		$this->load->view('Nachrichten', [
 			'permissions' => [
 				'assistenz_schreibrechte' => $this->permissionlib->isBerechtigt('assistenz','suid'),
-			]
+			],
+			'ids' => $ids,
+			'typeid' => $typeid
 		]);
 	}
 }
@@ -32,6 +32,10 @@ class Studentenverwaltung extends Auth_Controller
 				'student/keine_studstatuspruefung' => $this->permissionlib->isBerechtigt('student/keine_studstatuspruefung'),
 				'lehre/reihungstestAufsicht' => $this->permissionlib->isBerechtigt('lehre/reihungstestAufsicht'),
 				'system/change_outputformat' => $this->permissionlib->getOE_isEntitledFor('system/change_outputformat'),
+				'student/editBakkZgv' => $this->permissionlib->getSTG_isEntitledFor('student/editBakkZgv') ?: array(),
+				'student/editMakkZgv' => $this->permissionlib->getSTG_isEntitledFor('student/editMakkZgv') ?: array(),
+				'student/editDokZgv' => $this->permissionlib->getSTG_isEntitledFor('student/editDokZgv') ?: array(),
+				'student/editBismelden' => $this->permissionlib->isBerechtigt('student/editBismelden')
 			],
 			'variables' => [
 				'semester_aktuell' => $this->variablelib->getVar('semester_aktuell')
@@ -442,6 +442,10 @@ class Documents extends FHCAPI_Controller
 			'betreuerart_kurzbz',
 			'studiensemester_kurzbz'
 		] as $key) {
+			if (in_array($xsl, array('Ausbildungsver', 'AusbVerEng')) && $key === 'uid')
+			{
+				continue;
+			}
 			$value = $this->input->post_get($key);
 			if ($value !== null)
 				$params .= '&' . $key . '=' . urlencode($value);
@@ -1,6 +1,5 @@
 <?php

-
 if (!defined('BASEPATH')) exit('No direct script access allowed');

 class Messages extends FHCAPI_Controller
@@ -14,6 +13,7 @@ class Messages extends FHCAPI_Controller
 			'getMsgVarsPrestudent' => ['admin:r', 'assistenz:r'],
 			'getMsgVarsLoggedInUser' => ['admin:r', 'assistenz:r'],
 			'getNameOfDefaultRecipient' => ['admin:r', 'assistenz:r'],
+			'getNameOfDefaultRecipients' => ['admin:r', 'assistenz:r'],
 			'sendMessage' => ['admin:r', 'assistenz:r'],
 			'deleteMessage' => ['admin:r', 'assistenz:r'],
 			'getDataVorlage' => ['admin:r', 'assistenz:r'],
@@ -21,6 +21,7 @@ class Messages extends FHCAPI_Controller
 			'getReplyData' => ['admin:r', 'assistenz:r'],
 			'getPersonId' => ['admin:r', 'assistenz:r'],
 			'getUid' => ['admin:r', 'assistenz:r'],
+			'getUids' => ['admin:r', 'assistenz:r'],
 		]);

 		//Load Models
@@ -37,7 +38,7 @@ class Messages extends FHCAPI_Controller

 		// Load language phrases
 		$this->loadPhrases([
-			'ui'
+			'ui', 'messages'
 		]);
 	}

@@ -101,22 +102,49 @@ class Messages extends FHCAPI_Controller
 		$this->terminateWithSuccess($vorlage);
 	}

-	public function getMessageVarsPerson($id, $typeId)
+	public function getMessageVarsPerson($typeId)
 	{
-		$person_id = ($typeId == 'mitarbeiter_uid') ? $this->_getPersonId($id, $typeId) : $id;
-		$result = $this->MessageModel->getMsgVarsDataByPersonId($person_id);
-		$data = $this->getDataOrTerminateWithError($result);
+		$ids = $this->input->post('ids');
+		$messageVarsPerson = [];

-		$this->terminateWithSuccess($data);
+		foreach ($ids as $id)
+		{
+			$person_id = ($typeId == 'mitarbeiter_uid') ? $this->_getPersonId($id, $typeId) : $id;
+			$result = $this->MessageModel->getMsgVarsDataByPersonId($person_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$messageVarsPerson[] = current($data);
+		}
+
+		$this->terminateWithSuccess($messageVarsPerson);
 	}

-	public function getMsgVarsPrestudent($id, $typeId)
+	public function getMsgVarsPrestudent($typeId)
 	{
-		$prestudent_id = ($typeId == 'uid') ? $this->_getPrestudentIdFromUid($id) : $id;
-		$result = $this->MessageModel->getMsgVarsDataByPrestudentId($prestudent_id);
-		$data = $this->getDataOrTerminateWithError($result);
+		$ids = $this->input->post('ids');
+		if(!is_array($ids)) {
+			$ids = array($ids);
+		}
+		$messageVarsPrestudent = [];

-		$this->terminateWithSuccess($data);
+		if($typeId == 'uid')
+		{
+			$prestudent_ids = [];
+			foreach ($ids as $id)
+			{
+				$prestudent_ids[] =  $this->_getPrestudentIdFromUid($id);
+			}
+		}
+		else
+			$prestudent_ids = $ids;
+
+		foreach ($prestudent_ids as $prestudent_id)
+		{
+			$result = $this->MessageModel->getMsgVarsDataByPrestudentId($prestudent_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$messageVarsPrestudent[] = current($data);
+		}
+
+		$this->terminateWithSuccess($messageVarsPrestudent);
 	}

 	public function getMsgVarsLoggedInUser()
@@ -127,27 +155,45 @@ class Messages extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}

-	public function getNameOfDefaultRecipient($id, $type_id)
+	public function getNameOfDefaultRecipients($type_id)
 	{
-		$id = ($type_id != 'person_id') ? $this->_getPersonId($id, $type_id) : $id;
+		$ids = $this->input->post('ids');
+		if(!is_array($ids)) {
+			$ids = array($ids);
+		}
+		$recipients = [];
+
+		if (empty($ids)) {
+
+			throw new InvalidArgumentException($this->p->t('ui', 'errorMissingOrInvalidParameters', ['parameter'=> 'Id(s)']), self::ERROR_TYPE_GENERAL);
+		}

 		$this->load->model('person/Person_model', 'PersonModel');
+		if($type_id != 'person_id'){
+			foreach ($ids as $id)
+			{
+				$person_id =  $this->_getPersonId($id, $type_id);
+				$result = $this->PersonModel->load($person_id);
+				$data = $this->getDataOrTerminateWithError($result);
+				$name = current($data);
+				$recipients[$id] = $name->vorname . " " . $name->nachname;
+			}
+		}
+		else {
+			foreach ($ids as $id) {
+				$result = $this->PersonModel->load($id);
+				$data = $this->getDataOrTerminateWithError($result);
+				$name = current($data);
+				$recipients[$id] = $name->vorname . " " . $name->nachname;
+			}
+		}

-		$result = $this->PersonModel->load($id);
-		$data = $this->getDataOrTerminateWithError($result);
-		$name = current($data);
-
-		$this->terminateWithSuccess($name->vorname . " " . $name->nachname );
+		$this->terminateWithSuccess($recipients);
 	}

-	public function sendMessage($recipient_id)
+	public function sendMessage($typeId)
 	{
-		//has to be uid
-		//	$this->terminateWithError("uid", $recipient_id, self::ERROR_TYPE_GENERAL);
-
-		//default setting
-		$receiversPersonId = $this->_getPersonId($recipient_id, 'uid');
-
+		$resultReturn = [];
 		$uid = getAuthUID();
 		$this->load->model('person/Benutzer_model', 'BenutzerModel');
 		$result = $this->BenutzerModel->loadWhere(
@@ -185,47 +231,61 @@ class Messages extends FHCAPI_Controller
 		$body = $this->input->post('body');
 		$relationmessage_id = $this->input->post('relationmessage_id');

-		$typeId = $this->input->post('type_id');
-		$id = $this->input->post('id');
-
-		if($typeId == 'uid')
+		if (isset($_POST['ids']))
 		{
-			$prestudent_id = $this-> _getPrestudentIdFromUid($id);
-
-			//parseMessagetext for variables Prestudent
-			$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $body);
-			$bodyParsed = $this->getDataOrTerminateWithError($result);
-		}
-		if($typeId == 'mitarbeiter_uid')
-		{
-			$person_id = $this->_getPersonId($id, $typeId);
-
-			$result = $this->MessagesModel->parseMessageTextPerson($person_id, $body);
-			$bodyParsed = $this->getDataOrTerminateWithError($result);
-			$this->terminateWithError($bodyParsed, self::ERROR_TYPE_GENERAL);
-
-		}
-		elseif($typeId == 'person_id')
-		{
-			$result = $this->MessagesModel->parseMessageTextPerson($id, $body);
-			$bodyParsed = $this->getDataOrTerminateWithError($result);
-		}
-		elseif($typeId == 'prestudent_id')
-		{
-			$result = $this->MessagesModel->parseMessageTextPrestudent($id, $body);
-			$bodyParsed = $this->getDataOrTerminateWithError($result);
-		}
-		else
-		{
-			$this->terminateWithError("type_id " . $typeId . " not valid", self::ERROR_TYPE_GENERAL);
+			$ids = json_decode($_POST['ids']);
+			unset($_POST['ids']);
+			foreach ($data as $k => $v) {
+				$_POST[$k] = $v;
+			}
 		}

-		$result = $this->messagelib->sendMessageUser($receiversPersonId, $subject, $bodyParsed, $benutzer->person_id, null, $relationmessage_id);
+		if (!is_array($ids)) {
+			$ids = [$ids];
+		}

-		$this->terminateWithSuccess($result);
+		foreach ($ids as $id)
+		{
+			$receiversPersonId = $typeId == "person_id" ? $id : $this->_getPersonId($id, $typeId);
+
+			if($typeId == 'uid')
+			{
+				$prestudent_id = $this-> _getPrestudentIdFromUid($id);
+
+				$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			if($typeId == 'mitarbeiter_uid')
+			{
+				$person_id = $this->_getPersonId($id, $typeId);
+
+				$result = $this->MessagesModel->parseMessageTextPerson($person_id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			elseif($typeId == 'person_id')
+			{
+				$result = $this->MessagesModel->parseMessageTextPerson($id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			elseif($typeId == 'prestudent_id')
+			{
+				$result = $this->MessagesModel->parseMessageTextPrestudent($id, $body);
+				$bodyParsed = $this->getDataOrTerminateWithError($result);
+			}
+			else
+			{
+				$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+			}
+
+			$result =$this->messagelib->sendMessageUser($receiversPersonId, $subject, $bodyParsed, $benutzer->person_id, null, $relationmessage_id);
+			$data = $this->getDataOrTerminateWithError($result);
+			$resultReturn[] = current($data);
+
+		}
+		$this->terminateWithSuccess($resultReturn);
 	}

-	public function getPreviewText($id, $type_id)
+	public function getPreviewText($type_id)
 	{
 		if (isset($_POST['data']))
 		{
@@ -233,39 +293,60 @@ class Messages extends FHCAPI_Controller
 			unset($_POST['data']);
 		}
 		else
-			$this->terminateWithError("Textbody missing ", self::ERROR_TYPE_GENERAL);
+			$this->terminateWithError($this->p->t('messages', 'errorMissingOrInvalidParameters', ['parameter'=> "Textbody"]), self::ERROR_TYPE_GENERAL);

-		switch($type_id)
+		if (isset($_POST['ids']))
 		{
-			case 'uid':
-				$prestudent_id = $this->_getPrestudentIdFromUid($id);
-				$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $data);
-				break;
-			case 'prestudent_id':
-				$result = $this->MessagesModel->parseMessageTextPrestudent($id, $data);
-				break;
-			case 'person_id':
-				$result = $this->MessagesModel->parseMessageTextPerson($id, $data);
-				break;
-			case 'mitarbeiter_uid':
-				{
-					$person_id = $this->_getPersonId($id, $type_id);
-					$result = $this->MessagesModel->parseMessageTextPerson($person_id, $data);
-				}
-				break;
-			default:
-				$this->terminateWithError("MESSAGES::getPreviewText logic for type_id " . $type_id . " not defined yet", self::ERROR_TYPE_GENERAL);
-				break;
+			$ids = json_decode($_POST['ids']);
+			if(!is_array($ids))
+			{
+				$ids = array($ids);
+			}
+			unset($_POST['ids']);
 		}
+		else
+			$this->terminateWithError($this->p->t('ui', 'errorMissingOrInvalidParameters', ['parameter'=> 'Id(s)']), self::ERROR_TYPE_GENERAL);

-		$bodyParsed = $this->getDataOrTerminateWithError($result);
+		$bodyParsed = [];
+
+		foreach ($ids as $id)
+		{
+			switch($type_id)
+			{
+				case 'uid':
+					$prestudent_id = $this->_getPrestudentIdFromUid($id);
+					$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'prestudent_id':
+					$result = $this->MessagesModel->parseMessageTextPrestudent($id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'person_id':
+					$result = $this->MessagesModel->parseMessageTextPerson($id, $data);
+					$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					break;
+				case 'mitarbeiter_uid':
+					{
+						$person_id = $this->_getPersonId($id, $type_id);
+						$result = $this->MessagesModel->parseMessageTextPerson($person_id, $data);
+						$bodyParsed[$id] = $this->getDataOrTerminateWithError($result);
+					}
+					break;
+				default:
+					$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $type_id]), self::ERROR_TYPE_GENERAL);
+					break;
+			}
+		}

 		$this->terminateWithSuccess($bodyParsed);
 	}

 	public function getReplyData($messageId)
 	{
-		//TODO(Manu) validation of messageId: if number
+		if (!is_numeric($messageId)) {
+			$this->terminateWithError($this->p->t('ui', 'error_valueNotNumeric', ['value'=> 'Message ID']), self::ERROR_TYPE_GENERAL);
+		}

 		$this->MessageModel->addSelect('public.tbl_msg_message.*');
 		$this->MessageModel->addSelect('r.*');
@@ -288,7 +369,6 @@ class Messages extends FHCAPI_Controller
 		$replyBody = $this->_getReplyBody($body, $dataMessage[0]->nachname, $dataMessage[0]->vorname, $dataMessage[0]->insertamum);

 		$dataMessage[0]->replyBody = $replyBody;
-		$dataMessage[0]->rest = "Help Manu";
 		$dataMessage[0]->replySubject = $prefix . $subject;

 		$this->terminateWithSuccess($dataMessage);
@@ -336,6 +416,11 @@ class Messages extends FHCAPI_Controller
 				['prestudent_id' => $id]
 			);
 		}
+		else
+		{
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+		}
+

 		$data = $this->getDataOrTerminateWithError($result);
 		$person = current($data);
@@ -343,8 +428,11 @@ class Messages extends FHCAPI_Controller
 		$this->terminateWithSuccess($person->person_id);
 	}

-	public function getUid($id, $typeId)
+	public function getUids($typeId)
 	{
+		$ids = $this->input->post('ids');
+		$benutzerIds = [];
+
 		if (!$typeId)
 		{
 			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Type ID']), self::ERROR_TYPE_GENERAL);
@@ -352,39 +440,50 @@ class Messages extends FHCAPI_Controller
 		elseif ($typeId == 'person_id')
 		{
 			$this->load->model('person/Benutzer_model', 'BenutzerModel');
-			$result = $this->BenutzerModel->loadWhere(
-				['person_id' => $id]
-			);
+			foreach ($ids as $id)
+			{
+				$result = $this->BenutzerModel->loadWhere(
+					['person_id' => $id]
+				);
+				$data = $this->getDataOrTerminateWithError($result);
+				$benutzer = current($data);
+
+				$benutzerIds[$id] = $benutzer->uid;
+			}
 		}
 		elseif($typeId == 'prestudent_id')
 		{
 			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
-			$result = $this->PrestudentModel->loadWhere(
-				['prestudent_id' => $id]
-			);
+			foreach ($ids as $id)
+			{
+				$result = $this->PrestudentModel->loadWhere(
+					['prestudent_id' => $id]
+				);

-			$data = $this->getDataOrTerminateWithError($result);
-			$person = current($data);
-			$person_id = $person->person_id;
+				$data = $this->getDataOrTerminateWithError($result);
+				$person = current($data);
+				$person_id = $person->person_id;

-			$this->load->model('person/Benutzer_model', 'BenutzerModel');
-			$result = $this->BenutzerModel->loadWhere(
-				['person_id' => $person_id]
-			);
+				$this->load->model('person/Benutzer_model', 'BenutzerModel');
+				$result = $this->BenutzerModel->loadWhere(
+					['person_id' => $person_id]
+				);
+				$data = $this->getDataOrTerminateWithError($result);
+				$benutzer = current($data);
+
+				$benutzerIds[$id] = $benutzer->uid;
+			}
 		}
 		elseif($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
 		{
-			$this->terminateWithSuccess($id);
+			$this->terminateWithSuccess($ids);
 		}
 		else
 		{
-			$this->terminateWithError("MESSAGES::getUID logic for type_id " . $typeId . " not defined yet", self::ERROR_TYPE_GENERAL);
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
 		}

-		$data = $this->getDataOrTerminateWithError($result);
-		$benutzer = current($data);
-
-		$this->terminateWithSuccess($benutzer->uid);
+		$this->terminateWithSuccess($benutzerIds);
 	}

 	private function _getPersonId($id, $typeId)
@@ -403,11 +502,16 @@ class Messages extends FHCAPI_Controller
 				['prestudent_id' => $id]
 			);
 		}
+		else
+		{
+			$this->terminateWithError($this->p->t('messages', 'error_missingLogic', ['type'=> $typeId]), self::ERROR_TYPE_GENERAL);
+		}
+

 		$data = $this->getDataOrTerminateWithError($result);
 		if (count($data) < 1)
 		{
-			$this->terminateWithError('Error: Messages API no person_id found.');
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
 		}
 		$person = current($data);

@@ -416,7 +520,6 @@ class Messages extends FHCAPI_Controller

 	private function _getPrestudentIdFromUid($uid)
 	{
-		//	$this->terminateWithError($uid, self::ERROR_TYPE_GENERAL);
 		$this->load->model('crm/Student_model', 'StudentModel');
 		$result = $this->StudentModel->loadWhere(
 			['student_uid' => $uid]
@@ -425,7 +528,7 @@ class Messages extends FHCAPI_Controller
 		$data = $this->getDataOrTerminateWithError($result);
 		if (count($data) < 1)
 		{
-			$this->terminateWithError('Error: Messages API no prestudent_id found.');
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Prestudent ID']), self::ERROR_TYPE_GENERAL);
 		}
 		$student = current($data);

@@ -0,0 +1,69 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package        FHC-API
+ * @author        FHC-Team
+ * @copyright    Copyright (c) 2016, fhcomplete.org
+ * @license        GPLv3
+ * @link        http://fhcomplete.org
+ * @since        Version 1.0
+ * @filesource
+ */
+// ------------------------------------------------------------------------
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Studienplan extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		// TODO(chris): access!
+		parent::__construct([
+			'getBySemester' => self::PERM_LOGGED
+		]);
+	}
+
+	public function getBySemester()
+	{
+		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$studiengang_kz = $this->input->get('studiengang_kz');
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+		$ausbildungssemester = $this->input->get('ausbildungssemester') ?: null;
+		$orgform_kurzbz = $this->input->get('orgform_kurzbz') ?: null;
+
+		if (!$studiengang_kz || !is_numeric($studiengang_kz))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Studiengangskennzahl']), self::ERROR_TYPE_GENERAL);
+
+		if (!$studiensemester_kurzbz)
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+
+		if (isset($ausbildungssemester) && !is_numeric($ausbildungssemester))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Ausbildungssemester']), self::ERROR_TYPE_GENERAL);
+
+
+		//~ $this->load->library('form_validation');
+		
+		//~ $this->form_validation->set_rules('studiengang_kz', 'StudiengangKz', 'required|numeric');
+		//~ $this->form_validation->set_rules('studiensemester_kurzbz', 'StudiensemesterKurbz', 'required');
+		//~ $this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'numeric');
+
+		//~ if (!$this->form_validation->run())
+		//~ {
+			//~ $this->addMeta('fail2', 'fail2');
+			//~ return $this->terminateWithValidationErrors($this->form_validation->error_array());
+		//~ }
+
+
+		$this->addMeta('stg_kz', $studiengang_kz);
+		$this->addMeta('sem', $studiensemester_kurzbz);
+		$this->addMeta('sem2', $ausbildungssemester);
+		$this->addMeta('org', $orgform_kurzbz);
+
+		$result = $this->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $ausbildungssemester, $orgform_kurzbz);
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_DB);
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+}
@@ -298,7 +298,7 @@ class Aufnahmetermine extends FHCAPI_Controller
 		$reihungstestangetreten =
 			(isset($formData['reihungstestangetreten']) && !empty($formData['reihungstestangetreten']))
 				? $formData['reihungstestangetreten']
-				: null;
+				: false;
 		$aufnahmegruppe_kurzbz =
 			(isset($formData['aufnahmegruppe_kurzbz']) && !empty($formData['aufnahmegruppe_kurzbz']))
 				? $formData['aufnahmegruppe_kurzbz']
@@ -33,6 +33,8 @@ class Config extends FHCAPI_Controller
 	{
 		// TODO(chris): permissions
 		parent::__construct([
+			'get' => ['admin:r', 'assistenz:r'],
+			'set' => ['admin:r', 'assistenz:r'],
 			'filter' => ['admin:r', 'assistenz:r'],
 			'student' => ['admin:r', 'assistenz:r'],
 			'students' => ['admin:r', 'assistenz:r']
@@ -55,6 +57,95 @@ class Config extends FHCAPI_Controller
 	}

 	/**
+	 * get App config
+	 */
+	public function get()
+	{
+		$this->load->model('system/Variable_model', 'VariableModel');
+		$this->load->config('stv');
+
+		$config = [];
+
+		#number_displayed_past_studiensemester
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['number_displayed_past_studiensemester']);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$number_displayed_past_studiensemester_default = $this->config->item('number_displayed_past_studiensemester_default');
+
+		$config['number_displayed_past_studiensemester'] = [
+			"type" => "number",
+			"label" => $this->p->t('stv', 'settings_no_displayed_past_sem'),
+			"value" => $data['number_displayed_past_studiensemester']
+				?? $number_displayed_past_studiensemester_default
+		];
+
+		#font_size
+		$result = $this->VariableModel->getVariables(getAuthUID(), ['stv_font_size']);
+		$data = $this->getDataOrTerminateWithError($result);
+		$config['font_size'] = [
+			"type" => "select",
+			"label" => $this->p->t('stv', 'settings_fontsize'),
+			"value" => $data['stv_font_size'] ?? "fs_normal",
+			"options" => [
+				"fs_xx-small" => $this->p->t('stv', 'settings_fontsize_xx-small'),
+				"fs_x-small" => $this->p->t('stv', 'settings_fontsize_x-small'),
+				"fs_small" => $this->p->t('stv', 'settings_fontsize_small'),
+				"fs_normal" => $this->p->t('stv', 'settings_fontsize_normal'),
+				"fs_big" => $this->p->t('stv', 'settings_fontsize_big'),
+				"fs_huge" => $this->p->t('stv', 'settings_fontsize_huge')
+			]
+		];
+
+		#others
+		Events::trigger('stv_config_get', function & () use (&$config) {
+			return $config;
+		});
+
+		$this->terminateWithSuccess($config);
+	}
+
+	/**
+	 * set App config
+	 */
+	public function set()
+	{
+		$this->load->model('system/Variable_model', 'VariableModel');
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules(
+			'number_displayed_past_studiensemester',
+			$this->p->t('stv', 'settings_no_displayed_past_sem'),
+			'required|integer'
+		);
+		$this->form_validation->set_rules(
+			'font_size',
+			$this->p->t('stv', 'settings_fontsize'),
+			'required|in_list[fs_xx-small,fs_x-small,fs_small,fs_normal,fs_big,fs_huge]'
+		);
+
+		Events::trigger('stv_config_validation', $this->form_validation);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+
+		$this->VariableModel->setVariable(
+			getAuthUID(),
+			'number_displayed_past_studiensemester',
+			$this->input->post('number_displayed_past_studiensemester')
+		);
+		$this->VariableModel->setVariable(
+			getAuthUID(),
+			'stv_font_size',
+			$this->input->post('font_size')
+		);
+
+		Events::trigger('stv_config_set', $this->input);
+
+		$this->terminateWithSuccess();
+	}
+	
+	/*
 	 * Get the config for the student filters
 	 *
 	 * @return void
@@ -240,7 +331,10 @@ class Config extends FHCAPI_Controller
 		];
 		$result['status'] = [
 			'title' => 'Status',
-			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js')
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js'),
+			'config' => [
+				'showStatusVorruecken' => defined('STATUS_VORRUECKEN_ANZEIGEN') ? STATUS_VORRUECKEN_ANZEIGEN : true,
+			]
 		];
 		$result['documents'] = [
 			'title' => $this->p->t('stv', 'tab_documents'),
@@ -271,7 +365,6 @@ class Config extends FHCAPI_Controller
 		$result['messages'] = [
 			'title' => $this->p->t('stv', 'tab_messages'),
 			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Messages.js'),
-			'showOnlyWithUid' => true
 		];

 		$result['grades'] = [
@@ -407,11 +500,25 @@ class Config extends FHCAPI_Controller
 			]
 		];

+		if($this->permissionlib->isBerechtigt('basis/person'))
+		{
+			$result['combinePeople'] = [
+				'title' => $this->p->t('stv', 'tab_combine_people'),
+				'component' => './Stv/Studentenverwaltung/Details/CombinePeople.js',
+				'config' => $config['combinePeople']
+			];
+		}
+
 		$result['kontaktieren'] = [
 			'title' => $this->p->t('stv', 'tab_kontaktieren'),
 			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Kontaktieren.js'),
 		];

+		$result['messages'] = [
+			'title' => $this->p->t('stv', 'tab_messages'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Messages.js'),
+		];
+
 		Events::trigger('stv_conf_students', function & () use (&$result) {
 			return $result;
 		});
@@ -590,14 +590,14 @@ class Dokumente extends FHCAPI_Controller

 		$documents = [
 			buildDropdownEntryPrintArray("accountinfo", "Accountinfoblatt", "xml=accountinfoblatt.xml.php&xsl=AccountInfo&output=pdf", $uid, 10, null),
-			buildDropdownEntryPrintArray("ausbildungsvertrag", "Ausbildungsvertrag", "xml=ausbildungsvertrag.xml.php&xsl=Ausbildungsver&output=pdf", $uid, 20, null),
-			buildDropdownEntryPrintArray("ausbildungsvertrag_en", "Ausbildungsvertrag Zweisprachig", "xml=ausbildungsvertrag.xml.php&xsl=AusbVerEng&output=pdf", $uid, 21, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag", "Ausbildungsvertrag", "xml=ausbildungsvertrag.xml.php&xsl=Ausbildungsver&output=pdf&prestudent_id=$prestudent_id", null,20, null),
+			buildDropdownEntryPrintArray("ausbildungsvertrag_en", "Ausbildungsvertrag Zweisprachig", "xml=ausbildungsvertrag.xml.php&xsl=AusbVerEng&output=pdf&prestudent_id=$prestudent_id", null,21, null),

 			buildDropdownEntryPrintArray("bescheid", "Bescheid (nur Voransicht)", "xml=abschlusspruefung.rdf.php&xsl_stg_kz=$studiengang_kz&xsl=Bescheid&output=pdf", $uid, 25, null),
 			buildDropdownEntryPrintArray("diplomasupp", "Diploma Supplement (nur Voransicht)", "xml=diplomasupplement.xml.php&xsl_stg_kz=$studiengang_kz&xsl=DiplSupplement&output=pdf", $uid, 26, null),

-			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf", $uid, 50, null),
-			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf", $uid, 51, null),
+			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uid, 50, null),
+			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uid, 51, null),
 			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$uid", $uid,200, "zutrittskarte.php"),
 			buildDropdownEntryPrintArray("studienblatt", "Studienblatt", "xml=studienblatt.xml.php&xsl=Studienblatt&output=pdf&ss=$studiensemester_kurzbz", $uid, 60, null),
 			buildDropdownEntryPrintArray("studienblatt_eng", "Studienblatt Englisch", "xml=studienblatt.xml.php&xsl=StudienblattEng&output=pdf&ss=$studiensemester_kurzbz", $uid, 61, null),
@@ -686,8 +686,8 @@ class Dokumente extends FHCAPI_Controller
 			buildDropdownEntryPrintArray("accountinfo", "Accountinfoblatt", "xml=accountinfoblatt.xml.php&xsl=AccountInfo&output=pdf", $uidString, 10, null),
 			buildDropdownEntryPrintArray("ausbildungsvertrag", "Ausbildungsvertrag", "xml=ausbildungsvertrag.xml.php&xsl=Ausbildungsver&output=pdf", $uidString, 20, null),
 			buildDropdownEntryPrintArray("ausbildungsvertrag_en", "Ausbildungsvertrag Englisch", "xml=ausbildungsvertrag.xml.php&xsl=AusbVerEng&output=pdf", $uidString, 21, null),
-			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf", $uidString, 50, null),
-			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf", $uidString, 51, null),
+			buildDropdownEntryPrintArray("studienbestaetigung", "Studienbestätigung", "xml=student.rdf.php&xsl=Inskription&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uidString, 50, null),
+			buildDropdownEntryPrintArray("studienbestaetigung_en", "Studienbestätigung Englisch", "xml=student.rdf.php&xsl=InskriptionEng&output=pdf&ss=$studiensemester_kurzbz&xsl_stg_kz=$studiengang_kz", $uidString, 51, null),
 			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$uidString", $uidString,200, "zutrittskarte.php"),
 			buildDropdownEntryPrintArray("studienblatt", "Studienblatt", "xml=studienblatt.xml.php&xsl=Studienblatt&output=pdf&ss=$studiensemester_kurzbz", $uidString, 60, null),
 			buildDropdownEntryPrintArray("studienblatt_eng", "Studienblatt Englisch", "xml=studienblatt.xml.php&xsl=StudienblattEng&output=pdf&ss=$studiensemester_kurzbz", $uidString, 61, null),
@@ -83,7 +83,7 @@ class GemeinsameStudien extends FHCAPI_Controller
 	{
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');

-		$this->StudiensemesterModel->addOrder('studienjahr_kurzbz', 'DESC');
+		$this->StudiensemesterModel->addOrder('start', 'DESC');
 		$result = $this->StudiensemesterModel->load();
 		$data = $this->getDataOrTerminateWithError($result);
 		$this->terminateWithSuccess($data);
@@ -60,7 +60,8 @@ class Grades extends FHCAPI_Controller
 	{
 		$this->load->model('codex/Note_model', 'NoteModel');

-		$this->NoteModel->addOrder('note');
+		$this->NoteModel->addOrder('notenwert', 'ASC');
+		$this->NoteModel->addOrder('bezeichnung', 'ASC');
 		
 		$result = $this->NoteModel->load();

@@ -147,7 +147,8 @@ class Gruppen extends FHCAPI_Controller
 			'lehre' => true,
 			'sichtbar' => true,
 			'aktiv' => true,
-			'direktinskription' => false
+			'direktinskription' => false,
+			'generiert' => false
 		]);

 		$data = $this->getDataOrTerminateWithError($result);
@@ -239,7 +239,7 @@ class Konto extends FHCAPI_Controller
 				$data[$field] = $this->input->post($field);

 		if (defined('FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE') && isset(unserialize(FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE)[$data['buchungstyp_kurzbz']])) {
-			$data['kostenstelle'] = unserialize(FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE)[$data['buchungstyp_kurzbz']];
+			$data['studiengang_kz'] = unserialize(FAS_BUCHUNGSTYP_FIXE_KOSTENSTELLE)[$data['buchungstyp_kurzbz']];
 		}

 		$result = [];
@@ -43,7 +43,7 @@ class Prestudent extends FHCAPI_Controller

 		// Load language phrases
 		$this->loadPhrases([
-			'ui', 'studierendenantrag', 'lehre'
+			'ui', 'studierendenantrag', 'lehre', 'global'
 		]);
 	}

@@ -98,11 +98,9 @@ class Prestudent extends FHCAPI_Controller
 			'person_id',
 			'berufstaetigkeit_code',
 			'ausbildungcode',
-			'zgv_code',
 			'zgvort',
 			'zgvdatum',
 			'zgvnation',
-			'zgvmas_code',
 			'zgvmaort',
 			'zgvmadatum',
 			'zgvmanation',
@@ -110,7 +108,6 @@ class Prestudent extends FHCAPI_Controller
 			'bismelden',
 			'anmerkung',
 			'dual',
-			'zgvdoktor_code',
 			'zgvdoktorort',
 			'zgvdoktordatum',
 			'zgvdoktornation',
@@ -125,6 +122,57 @@ class Prestudent extends FHCAPI_Controller
 			'standort_code'
 		];

+		// add zgv code fields only if user has permission
+		$this->load->library('PermissionLib');
+		$prestudentres = $this->PrestudentModel->load($prestudent_id);
+		if(!hasData($prestudentres))
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_fieldNotFound', ['field' => 'Prestudent ' . $prestudent_id]));
+		}
+		$prestudent = (getData($prestudentres))[0];
+		$bakkZgvStg = $this->permissionlib->getSTG_isEntitledFor('student/editBakkZgv') ?: array();
+		$makkZgvStg = $this->permissionlib->getSTG_isEntitledFor('student/editMakkZgv') ?: array();
+		$dokZgvStg = $this->permissionlib->getSTG_isEntitledFor('student/editDokZgv') ?: array();
+
+		if(in_array($prestudent->studiengang_kz, $bakkZgvStg)) 
+		{
+			$array_allowed_props_prestudent[] = 'zgv_code';
+		}
+		else if(!is_null($this->input->post('zgv_code')))
+		{
+			$this->terminateWithError(
+				$this->p->t('global', 'zgv')
+				. ' - ' .
+				$this->p->t('ui', 'error_keineBerechtigungStg')
+			);
+		}
+
+		if(in_array($prestudent->studiengang_kz, $makkZgvStg))
+		{
+			$array_allowed_props_prestudent[] = 'zgvmas_code';
+		}
+		else if(!is_null($this->input->post('zgvmas_code')))
+		{
+			$this->terminateWithError(
+				$this->p->t('lehre', 'zgvMaster')
+				. ' - ' .
+				$this->p->t('ui', 'error_keineBerechtigungStg')
+			);
+		}
+
+		if(in_array($prestudent->studiengang_kz, $dokZgvStg))
+		{
+			$array_allowed_props_prestudent[] = 'zgvdoktor_code';
+		}
+		else if(!is_null($this->input->post('zgvdoktor_code')))
+		{
+			$this->terminateWithError(
+				$this->p->t('lehre', 'zgvDoktor')
+				. ' - ' .
+				$this->p->t('ui', 'error_keineBerechtigungStg')
+			);
+		}
+
 		// add UDFs
 		$result = $this->udflib->getDefinitionForModel($this->PrestudentModel);

@@ -17,7 +17,8 @@ class Projektarbeit extends FHCAPI_Controller
 			'getTypenProjektarbeit' => ['admin:r', 'assistenz:r'],
 			'getFirmen' => ['admin:r', 'assistenz:r'],
 			'getLehrveranstaltungen' => ['admin:r', 'assistenz:r'],
-			'getNoten' => ['admin:r', 'assistenz:r']
+			'getNoten' => ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r']
 		]);

 		// Load Libraries
@@ -40,11 +41,15 @@ class Projektarbeit extends FHCAPI_Controller
 		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
 		$this->load->model('education/Note_model', 'NoteModel');
 		$this->load->model('education/Projektbetreuer_model', 'BetreuerModel');
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');

 		// load libraries
 		$this->load->library('PermissionLib');
 	}

+	/**
+	 * Get projekt works for a uid.
+	 */
 	public function getProjektarbeit()
 	{
 		$student_uid = $this->input->get('uid');
@@ -53,10 +58,7 @@ class Projektarbeit extends FHCAPI_Controller

 		$result = $this->ProjektarbeitModel->getProjektarbeit($student_uid);

-		if (isError($result))
-		{
-			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);

 		if (!hasData($result)) $this->terminateWithSuccess([]);

@@ -79,6 +81,9 @@ class Projektarbeit extends FHCAPI_Controller
 		$this->terminateWithSuccess($projektarbeiten);
 	}

+	/**
+	 * Load a single Projektarbeit by id.
+	 */
 	public function loadProjektarbeit()
 	{
 		$projektarbeit_id = $this->input->get('projektarbeit_id');
@@ -101,6 +106,9 @@ class Projektarbeit extends FHCAPI_Controller
 		$this->terminateWithSuccess(current($data));
 	}

+	/**
+	 * Inwert a Projektarbeit.
+	 */
 	public function insertProjektarbeit()
 	{
 		$student_uid = $this->input->post('uid');
@@ -128,6 +136,9 @@ class Projektarbeit extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}

+	/**
+	 * Update a Projektarbeit by ID.
+	 */
 	public function updateProjektarbeit()
 	{
 		$projektarbeit_id = $this->input->post('projektarbeit_id');
@@ -157,6 +168,9 @@ class Projektarbeit extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}

+	/**
+	 * Delete Projektarbeit by ID after validation.
+	 */
 	public function deleteProjektarbeit()
 	{
 		$projektarbeit_id = $this->input->post('projektarbeit_id');
@@ -185,6 +199,9 @@ class Projektarbeit extends FHCAPI_Controller
 		return $this->terminateWithSuccess(current(getData($result)) ? : null);
 	}

+	/**
+	 * Get all active projekt work types.
+	 */
 	public function getTypenProjektarbeit()
 	{
 		$result = $this->ProjekttypModel->loadWhere(['aktiv' => true]);
@@ -194,6 +211,9 @@ class Projektarbeit extends FHCAPI_Controller
 		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
 	}

+	/**
+	 * Gets companies by search string.
+	 */
 	public function getFirmen()
 	{
 		$searchString = $this->input->get('searchString');
@@ -208,6 +228,9 @@ class Projektarbeit extends FHCAPI_Controller
 		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
 	}

+	/**
+	 * Get Lehrveranstaltungen by params, incling lehreinheiten for a specific Studiensemester..
+	 */
 	public function getLehrveranstaltungen()
 	{
 		$student_uid = $this->input->get('student_uid');
@@ -218,6 +241,7 @@ class Projektarbeit extends FHCAPI_Controller
 		if (!isset($student_uid)) $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
 		if (!isset($studiensemester_kurzbz)) $this->terminateWithError('Studiensemster missing', self::ERROR_TYPE_GENERAL);

+		// get Lvs
 		$lvsResult = $this->LehrveranstaltungModel->getLvsForProjektarbeit($student_uid, $studiengang_kz, $additional_lehrveranstaltung_id);

 		if (isError($lvsResult)) return $this->terminateWithError($lvsResult, self::ERROR_TYPE_GENERAL);
@@ -226,6 +250,7 @@ class Projektarbeit extends FHCAPI_Controller

 		foreach ($lvs as $lv)
 		{
+			// add Lehreinheiten for each Lv for the semester
 			$lehreinheiten = $this->LehreinheitModel->getLesForLv(
 				$lv->lehrveranstaltung_id, $studiensemester_kurzbz
 			);
@@ -250,8 +275,14 @@ class Projektarbeit extends FHCAPI_Controller
 		return $this->terminateWithSuccess($lvs);
 	}

+	/**
+	 * Get all noten.
+	 */
 	public function getNoten()
 	{
+		$this->NoteModel->addOrder('notenwert', 'ASC');
+		$this->NoteModel->addOrder('bezeichnung', 'ASC');
+
 		$result = $this->NoteModel->load();

 		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
@@ -260,18 +291,27 @@ class Projektarbeit extends FHCAPI_Controller
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Get all Studiensemester, sorted.
+	 */
+	public function getStudiensemester()
+	{
+		$this->StudiensemesterModel->addOrder('start', 'DESC');
+		$result = $this->StudiensemesterModel->load();
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	/**
+	 * Validate Projektarbeit data.
+	 * @param formData
+	 * @return bool true if data valid
 	 */
 	private function _validate($formData)
 	{
 		$this->form_validation->set_data($formData);

-		$this->form_validation->set_rules('titel', 'Titel', 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Titel'])
-		]);
-
 		$this->form_validation->set_rules('projekttyp_kurzbz', 'Projekttyp', 'required', [
 			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Projekttyp'])
 		]);
@@ -297,9 +337,9 @@ class Projektarbeit extends FHCAPI_Controller
 	}

 	/**
-	 * 
-	 * @param
-	 * @return object success or error
+	 * Extract Projektarbeit data from passed form data.
+	 * @param formData
+	 * @return array
 	 */
 	private function _getProjektarbeitArr($formData)
 	{
@@ -321,9 +361,9 @@ class Projektarbeit extends FHCAPI_Controller
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Check if deletion of a Projektarbeit is possible.
+	 * @param $projektarbeit_id
+	 * @return object success if deletion possible, error otherwise.
 	 */
 	private function _validateDelete($projektarbeit_id)
 	{
@@ -344,6 +384,11 @@ class Projektarbeit extends FHCAPI_Controller
 		return success();
 	}

+	/**
+	 * Checks permissions for a student.
+	 * @param $student_uid
+	 * @return bool true if authorized
+	 */
 	private function _hasBerechtigungForStudent($student_uid)
 	{
 		if (!$student_uid)
@@ -3,7 +3,7 @@
 if (! defined('BASEPATH')) exit('No direct script access allowed');

 use \DateTime as DateTime;
-use CI3_Events as Events;
+use \CI3_Events as Events;

 class Projektbetreuer extends FHCAPI_Controller
 {
@@ -43,6 +43,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		$this->load->library('PermissionLib');
 	}

+	/**
+	 * Gets Projektbetreuer data for a Projektarbeit.
+	 */
 	public function getProjektbetreuer()
 	{
 		$projektarbeit_id = $this->input->get('projektarbeit_id');
@@ -50,21 +53,30 @@ class Projektbetreuer extends FHCAPI_Controller
 		if (!isset($projektarbeit_id))
 			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Projektarbeit ID']), self::ERROR_TYPE_GENERAL);

-		$this->ProjektbetreuerModel->addSelect(
-			'projektarbeit_id, person_id, nachname, vorname, note, punkte, round(stunden, 1) AS stunden,
-			stundensatz, betreuerart_kurzbz, vertrag_id, titelpre, titelpost'
-		);
-		$this->ProjektbetreuerModel->addSelect("CASE
-				WHEN EXISTS
-					(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_mitarbeiter ON(uid=mitarbeiter_uid) WHERE person_id=pers.person_id)
-				THEN 'Mitarbeiter'
-				WHEN EXISTS
-					(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_student ON(uid=student_uid) WHERE person_id=pers.person_id)
-				THEN 'Student'
-				ELSE 'Person'
-			END AS status");
-		$this->ProjektbetreuerModel->addJoin('public.tbl_person pers', 'person_id');
-		$result = $this->ProjektbetreuerModel->loadWhere(['projektarbeit_id' => $projektarbeit_id]);
+		$qry = "
+			SELECT * FROM (
+				SELECT
+					projektarbeit_id, person_id, nachname, vorname, note, punkte, round(stunden, 1) AS stunden,
+					stundensatz, betreuerart_kurzbz, vertrag_id, titelpre, titelpost,
+					CASE
+						WHEN EXISTS
+							(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_mitarbeiter ON(uid=mitarbeiter_uid) WHERE person_id=pers.person_id)
+						THEN 'Mitarbeiter'
+						WHEN EXISTS
+							(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_student ON(uid=student_uid) WHERE person_id=pers.person_id)
+						THEN 'Student'
+						ELSE 'Person'
+					END AS status
+				FROM
+					lehre.tbl_projektbetreuer
+					JOIN public.tbl_person pers USING (person_id)
+				WHERE
+					projektarbeit_id = ?
+			) betreuer
+			ORDER BY
+				CASE WHEN status = 'Mitarbeiter' THEN 0 WHEN status = 'Person' THEN 1 ELSE 2 END";
+
+		$result = $this->ProjektbetreuerModel->execReadOnlyQuery($qry, [$projektarbeit_id]);

 		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);

@@ -86,6 +98,7 @@ class Projektbetreuer extends FHCAPI_Controller
 			//~ }
 		//~ }

+		// add thesis download link (from external extension)
 		foreach ($projektbetreuer as $pb)
 		{
 			$downloadLink = null;
@@ -104,6 +117,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		$this->terminateWithSuccess($this->_addFullNameToBetreuer($projektbetreuer));
 	}

+	/**
+	 * Saves (adds or updates) a single Projektbetreuer for a Projektarbeit.
+	 */
 	public function saveProjektbetreuer()
 	{
 		$projektarbeit_id = $this->input->post('projektarbeit_id');
@@ -118,14 +134,36 @@ class Projektbetreuer extends FHCAPI_Controller

 		if ($this->_validate($projektbetreuer) == false) $this->terminateWithValidationErrors($this->form_validation->error_array());

+		// check if assessor has already been assigned
+		if (isset($projektbetreuer['person_id']))
+		{
+			$this->ProjektbetreuerModel->addSelect('1');
+			$betreuerRes = $this->ProjektbetreuerModel->loadWhere(
+				[
+					'person_id' => $projektbetreuer['person_id'],
+					'projektarbeit_id' => $projektbetreuer['projektarbeit_id'],
+					'betreuerart_kurzbz' => $projektbetreuer['betreuerart_kurzbz']
+				]
+			);
+
+			if (hasData($betreuerRes)
+				&& (!isset($projektbetreuer['person_id_old']) || $projektbetreuer['person_id'] != $projektbetreuer['person_id_old'])) {
+				return $this->terminateWithError($this->p->t('projektarbeit', 'betreuerZugewiesen'), self::ERROR_TYPE_GENERAL);
+			}
+		}
+
 		$result = null;

+		$stunden = isset($projektbetreuer['stunden']) && !isEmptyString($projektbetreuer['stunden']) ? $projektbetreuer['stunden'] : null;
+		$stundensatz =
+			isset($projektbetreuer['stundensatz']) && !isEmptyString($projektbetreuer['stundensatz']) ? $projektbetreuer['stundensatz'] : null;
+
 		$betreuer = [
 			'projektarbeit_id' => $projektarbeit_id,
 			'person_id' => $projektbetreuer['person_id'],
 			'note' => $projektbetreuer['note'],
-			'stunden' => $projektbetreuer['stunden'],
-			'stundensatz' => $projektbetreuer['stundensatz'],
+			'stunden' => $stunden,
+			'stundensatz' => $stundensatz,
 			'betreuerart_kurzbz' => $projektbetreuer['betreuerart_kurzbz']
 		];

@@ -152,6 +190,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
 	}

+	/**
+	 * Delete a Projektbetreuer assignment to a Projektarbeit.
+	 */
 	public function deleteProjektbetreuer()
 	{
 		$projektarbeit_id = $this->input->post('projektarbeit_id');
@@ -159,21 +200,44 @@ class Projektbetreuer extends FHCAPI_Controller
 		$betreuerart_kurzbz = $this->input->post('betreuerart_kurzbz');

 		if (!isset($projektarbeit_id) || !is_numeric($projektarbeit_id))
-			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> $this->p->t('projektarbeit', 'projektarbeit').' ID'], self::ERROR_TYPE_GENERAL));
+		{
+			return $this->terminateWithError(
+				$this->p->t('ui', 'error_missingId', ['id'=> $this->p->t('projektarbeit', 'projektarbeit').' ID'], self::ERROR_TYPE_GENERAL)
+			);
+		}

 		if (!isset($person_id) || !is_numeric($person_id))
 			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID'], self::ERROR_TYPE_GENERAL));

 		if (!isset($betreuerart_kurzbz))
-			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> $this->p->t('projektarbeit', 'betreuerart')], self::ERROR_TYPE_GENERAL));
+		{
+			return $this->terminateWithError(
+				$this->p->t('ui', 'error_missingId', ['id'=> $this->p->t('projektarbeit', 'betreuerart')], self::ERROR_TYPE_GENERAL)
+			);
+		}

+		// check permission
 		if (!$this->ProjektarbeitModel->hasBerechtigungForProjektarbeit($projektarbeit_id))
 			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);

-		$validate = $this->_validateDelete($projektarbeit_id, $person_id);
+		$validate = $this->_validateDelete($projektarbeit_id, $person_id, $betreuerart_kurzbz);

 		if (isError($validate)) return $this->terminateWithError(getError($validate), self::ERROR_TYPE_GENERAL);

+		// check if there is a Projektarbeitsbeurteilung - if yes, it is handled (possibly deleted) by external extension.
+		$beurteilungDeleteSuccess = true;
+
+		Events::trigger(
+			'projektarbeitsbeurteilung_delete',
+			$projektarbeit_id,
+			function ($value) use (&$beurteilungDeleteSuccess) {
+				$beurteilungDeleteSuccess = $value;
+			}
+		);
+
+		// if there is still a Beurteilung, Projektarbeit cannot be deleted - return with error
+		if (!$beurteilungDeleteSuccess) return $this->terminateWithError($this->p->t('projektarbeit', 'error_paarbeitHatBeurteilung'));
+
 		$result = $this->ProjektbetreuerModel->delete(
 			['projektarbeit_id' => $projektarbeit_id, 'person_id' => $person_id, 'betreuerart_kurzbz' => $betreuerart_kurzbz]
 		);
@@ -185,9 +249,12 @@ class Projektbetreuer extends FHCAPI_Controller
 			$this->outputJson($result);
 		}

-		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+		return $this->terminateWithSuccess(getData($result));
 	}

+	/**
+	 * Get all active Betreuerarten.
+	 */
 	public function getBetreuerarten()
 	{
 		$result = $this->BetreuerartModel->loadWhere(['aktiv' => true]);
@@ -197,6 +264,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
 	}

+	/**
+	 * Get all Noten.
+	 */
 	public function getNoten()
 	{
 		$result = $this->NoteModel->load();
@@ -206,6 +276,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
 	}

+	/**
+	 * Get default Stundensätze for an employee in a semester.
+	 */
 	public function getDefaultStundensaetze()
 	{
 		$person_id = $this->input->get('person_id');
@@ -216,6 +289,9 @@ class Projektbetreuer extends FHCAPI_Controller
 		return $this->terminateWithSuccess($result);
 	}

+	/**
+	 * Get all Projektbetreuer by search string.
+	 */
 	public function getProjektbetreuerBySearchQuery()
 	{
 		$searchString = $this->input->get('searchString');
@@ -227,9 +303,23 @@ class Projektbetreuer extends FHCAPI_Controller

 		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);

-		return $this->terminateWithSuccess(hasData($result) ? $this->_addFullNameToBetreuer(getData($result)) : []);
+		if (!hasData($result)) $this->terminateWithSuccess([]);
+
+		$persons = $this->_addFullNameToBetreuer(getData($result));
+
+		// sort persons by type (employees first)
+		usort($persons, function ($a, $b) {
+			$statusRanks = ['Mitarbeiter' => 0, 'Person' => 1, 'Student' => 2];
+			return (isset($statusRanks[$a->status]) ? $statusRanks[$a->status] : count($statusRanks) + 1)
+				- (isset($statusRanks[$b->status]) ? $statusRanks[$b->status] : count($statusRanks) + 1);
+		});
+
+		return $this->terminateWithSuccess($persons);
 	}

+	/**
+	 * Get person info by Id.
+	 */
 	public function getPerson()
 	{
 		$person_id = $this->input->get('person_id');
@@ -255,9 +345,7 @@ class Projektbetreuer extends FHCAPI_Controller
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Validate list of Projektbetreuer.
 	 */
 	public function validateProjektbetreuer()
 	{
@@ -277,9 +365,9 @@ class Projektbetreuer extends FHCAPI_Controller
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Validation funciton for checking Projektbetreuer input.
+	 * @param $formData Betreuer data
+	 * @return bool true when data is valid
 	 */
 	private function _validate($formData)
 	{
@@ -306,26 +394,32 @@ class Projektbetreuer extends FHCAPI_Controller
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Check possibility of deletion of a Projektbetreuer.
+	 * @param projektarbeit_id
+	 * @param person_id
+	 * @param betreuerart_kurzbz
+	 * @return object success when delete possible, error otherwise
 	 */
-	private function _validateDelete($projektarbeit_id, $person_id)
+	private function _validateDelete($projektarbeit_id, $person_id, $betreuerart_kurzbz)
 	{
+		// check if contract exists
 		$this->ProjektbetreuerModel->addSelect('vertrag_id');
-		$result = $this->ProjektbetreuerModel->loadWhere(['projektarbeit_id' => $projektarbeit_id, 'person_id' => $person_id]);
+		$result = $this->ProjektbetreuerModel->loadWhere(
+			['projektarbeit_id' => $projektarbeit_id, 'person_id' => $person_id, 'betreuerart_kurzbz' => $betreuerart_kurzbz]
+		);

 		if (isError($result)) return $result;

+		// if contract exists, no deletion is possible
 		if (hasData($result) && getData($result)[0]->vertrag_id != null) return error($this->p->t('projektarbeit', 'error_betreuerHatVertrag'));

 		return success();
 	}

 	/**
-	 *
-	 * @param
-	 * @return object success or error
+	 * Add full name to array with Betreuer.
+	 * @param $betreuerArr
+	 * @return array including Betreuer with their full names
 	 */
 	private function _addFullNameToBetreuer($betreuerArr)
 	{
@@ -18,6 +18,8 @@

 if (! defined('BASEPATH')) exit('No direct script access allowed');

+use \DateTime as DateTime;
+
 /**
 * This controller operates between (interface) the JS (GUI) and the back-end
 * Provides data to the ajax get calls about addresses
@@ -111,7 +113,7 @@ class Pruefung extends FHCAPI_Controller

 		// Load language phrases
 		$this->loadPhrases([
-			'global', 'ui','lehre'
+			'global', 'ui', 'lehre', 'exam'
 		]);
 	}

@@ -172,174 +174,11 @@ class Pruefung extends FHCAPI_Controller
 	 *
 	 * @param lehrveranstaltung_id, student_uid, lehreinheit_id
 	 *
-	 * @return values on success
-	 * 			retval 0: pruefung inserted
-	 * 			reval 1: pruefung and zeugnisnote inserted
-	 * 			retval 2: pruefung inserted, no insert Zeugnisnote
-	 * 					(change after date of examination)
-	 * 			retval 3: pruefung of type Termin2 inserted
-	 * 						and pruefung of type Termin1 as well
-	 *			retval 5: prueufungen Termin 2 and 1 inserted
-	 * 						and no insert Zeugnisnote (change after date of examination)
+	 * @return void
 	 */
 	public function insertPruefung()
 	{
-		$authUID = getAuthUID();
-
-		$this->load->library('form_validation');
-
-		$this->form_validation->set_rules('lehrveranstaltung_id', $this->p->t('lehre', 'lehrveranstaltung'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'lehrveranstaltung')]),
-		]);
-		$this->form_validation->set_rules('lehreinheit_id', $this->p->t('lehre', 'lehreinheit'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'lehreinheit')]),
-		]);
-		$this->form_validation->set_rules('pruefungstyp_kurzbz', $this->p->t('lehre', 'pruefung'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('global', 'typ')]),
-		]);
-		$this->form_validation->set_rules(
-			'datum',
-			$this->p->t('global', 'datum'),
-			['is_valid_date']
-		);
-
-		if ($this->form_validation->run() == false)
-		{
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-		}
-
-		//calculate studiensemester_kurzbz this from lehreinheit (case newPruefung)
-		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
-		if (!$studiensemester_kurzbz)
-		{
-			$this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
-
-			$result = $this->LehreinheitModel->load($this->input->post('lehreinheit_id'));
-
-			$lehreinheit = $this->getDataOrTerminateWithError($result);
-			$studiensemester_kurzbz = current($lehreinheit)->studiensemester_kurzbz;
-
-			if (isError($result))
-			{
-				$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-			}
-		}
-
-		$result = $this->PruefungModel->insert([
-			'lehreinheit_id' => $this->input->post('lehreinheit_id'),
-			'student_uid' => $this->input->post('student_uid'),
-			'mitarbeiter_uid' => $this->input->post('mitarbeiter_uid'),
-			'datum' => $this->input->post('datum'),
-			'pruefungstyp_kurzbz' => $this->input->post('pruefungstyp_kurzbz'),
-			'note' => $this->input->post('note'),
-			'anmerkung' => $this->input->post('anmerkung'),
-			'insertamum' => date('c'),
-			'insertvon' => $authUID,
-		]);
-
-		$this->getDataOrTerminateWithError($result);
-
-		//check if existing zeugnisnote
-		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
-
-		$result = $this->ZeugnisnoteModel->loadWhere(array(
-			'lehrveranstaltung_id' => $this->input->post('lehrveranstaltung_id'),
-			'student_uid' => $this->input->post('student_uid'),
-			'studiensemester_kurzbz' => $studiensemester_kurzbz));
-
-		if (isError($result))
-		{
-			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
-
-		if (!hasData($result))
-		{
-			//insert zeugnisnote, if not existing
-			$result = $this->ZeugnisnoteModel->insert(array(
-				'lehrveranstaltung_id' => $this->input->post('lehrveranstaltung_id'),
-				'student_uid' => $this->input->post('student_uid'),
-				'studiensemester_kurzbz' => $studiensemester_kurzbz,
-				'note' => $this->input->post('note'),
-				'uebernahmedatum' => date('c'),
-				'benotungsdatum' => $this->input->post('datum'),
-				'insertamum' => date('c'),
-				'insertvon' =>  $authUID
-			));
-
-			if (isError($result))
-			{
-				$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-			}
-			$this->terminateWithSuccess(1);
-		}
-
-		$return_code = 0;
-
-		//handling Termin1 if not existing
-		if($this->input->post('pruefungstyp_kurzbz') == "Termin2")
-		{
-			$resultP = $this->PruefungModel->loadWhere(array(
-				'lehreinheit_id' => $this->input->post('lehreinheit_id'),
-				'student_uid' => $this->input->post('student_uid'),
-				'pruefungstyp_kurzbz' => 'Termin1'));
-
-			if (isError($resultP))
-			{
-				$this->terminateWithError(getError($resultP), self::ERROR_TYPE_GENERAL);
-			}
-			if(!hasData($resultP))
-			{
-				//check if existing Zeugnisnote
-				$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
-				$this->ZeugnisnoteModel->addJoin('lehre.tbl_lehreinheit', 'lehrveranstaltung_id');
-
-				$resultP = $this->ZeugnisnoteModel->loadWhere(array(
-					'lehrveranstaltung_id' => $this->input->post('lehrveranstaltung_id'),
-					'student_uid' => $this->input->input->post('student_uid'),
-					'lehre.tbl_zeugnisnote.studiensemester_kurzbz' => $studiensemester_kurzbz));
-				if (isError($resultP))
-				{
-					$this->terminateWithError(getError($resultP), self::ERROR_TYPE_GENERAL);
-				}
-				if (!hasData($resultP))
-				{
-					$this->terminateWithError("Zeugnisnote existiert nicht", self::ERROR_TYPE_GENERAL);
-				}
-				$dataNote = current(getData($resultP));
-
-				$resultN = $this->PruefungModel->insert([
-					'lehreinheit_id' => $this->input->post('lehreinheit_id'),
-					'student_uid' => $this->input->post('student_uid'),
-					'mitarbeiter_uid' => $this->input->post('mitarbeiter_uid'),
-					'datum' => $dataNote->benotungsdatum,
-					'pruefungstyp_kurzbz' => 'Termin1',
-					'note' => $dataNote->note,
-					'punkte' => $dataNote->punkte,
-					'anmerkung' => 'automatisiert aus Zeugnisnote erstellt',
-					'insertamum' => date('c'),
-					'insertvon' => $authUID,
-				]);
-
-				if (isError($resultN)) {
-					$this->terminateWithError(getError($resultN), self::ERROR_TYPE_GENERAL);
-				}
-				$return_code = 3;
-			}
-		}
-
-		$note = current(getData($result));
-		$uebernahmedatum = new DateTime($note->uebernahmedatum);
-		$benotungsdatum = new DateTime($note->benotungsdatum);
-
-		$checkDate = $uebernahmedatum  === '' || $benotungsdatum  > $uebernahmedatum
-			? $benotungsdatum
-			: $uebernahmedatum;
-
-		if ($checkDate >= $this->input->post('datum') && $note !== $note->note)
-		{
-			$this->terminateWithSuccess($return_code + 2);
-		}
-		$this->terminateWithSuccess($return_code + 2);
+		$this->insertOrUpdatePruefung();
 	}

 	/**
@@ -348,8 +187,6 @@ class Pruefung extends FHCAPI_Controller
 	 * @param pruefung_id
 	 *
 	 * @return success or error
-	 *
-	 * no impact on lehre.tbl_zeugnisnote
 	 */
 	public function updatePruefung($pruefung_id)
 	{
@@ -359,48 +196,7 @@ class Pruefung extends FHCAPI_Controller
 		if (!$oldpruefung)
 			show_404(); // Pruefung that should be updated does not exist

-		$authUID = getAuthUID();
-
-		$this->load->library('form_validation');
-
-		$this->form_validation->set_rules('lehrveranstaltung_id', $this->p->t('lehre', 'lehrveranstaltung'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'lehrveranstaltung')]),
-		]);
-		$this->form_validation->set_rules('lehreinheit_id', $this->p->t('lehre', 'lehreinheit'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'lehreinheit')]),
-		]);
-		$this->form_validation->set_rules('pruefungstyp_kurzbz', $this->p->t('lehre', 'pruefung'), 'required', [
-			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('global', 'typ')]),
-		]);
-		$this->form_validation->set_rules(
-			'datum',
-			$this->p->t('global', 'datum'),
-			['is_valid_date']
-		);
-
-		if ($this->form_validation->run() == false)
-		{
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-		}
-
-		$result = $this->PruefungModel->update(
-			[
-				'pruefung_id' => $pruefung_id
-			],
-			[	'lehreinheit_id' => $this->input->post('lehreinheit_id'),
-				'student_uid' =>  $this->input->post('student_uid'),
-				'mitarbeiter_uid' =>  $this->input->post('mitarbeiter_uid'),
-				'note' => $this->input->post('note'),
-				'pruefungstyp_kurzbz' => $this->input->post('pruefungstyp_kurzbz'),
-				'datum' => $this->input->post('datum'),
-				'anmerkung' => $this->input->post('anmerkung'),
-				'updatevon' => $authUID,
-				'updateamum' => date('c'),
-			]
-		);
-		$this->getDataOrTerminateWithError($result);
-
-		return $this->outputJsonSuccess(true);
+		$this->insertOrUpdatePruefung($pruefung_id);
 	}

 	/**
@@ -574,4 +370,198 @@ class Pruefung extends FHCAPI_Controller

 		return $this->terminateWithSuccess($data);
 	}
+
+	protected function insertOrUpdatePruefung($pruefung_id=null)
+	{
+		$authUID = getAuthUID();
+
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('lehreinheit_id', $this->p->t('lehre', 'lehreinheit'), 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'lehreinheit')]),
+		]);
+		$this->form_validation->set_rules('pruefungstyp_kurzbz', $this->p->t('lehre', 'pruefung'), 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('global', 'typ')]),
+		]);
+		$this->form_validation->set_rules(
+			'datum',
+			$this->p->t('global', 'datum'),
+			['is_valid_date']
+		);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$this->load->model('education/Zeugnisnote_model', 'ZeugnisnoteModel');
+
+		$this->PruefungModel->db->trans_start();
+
+		if ($this->input->post('pruefungstyp_kurzbz') == "Termin2")
+		{
+			//Wenn ein 2. Termin angelegt wird, und kein 1. Termin vorhanden ist,
+			//dann wird auch ein 1. Termin angelegt mit der derzeitigen Zeugnisnote
+			$resultP = $this->PruefungModel->loadWhere(array(
+				'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+				'student_uid' => $this->input->post('student_uid'),
+				'pruefungstyp_kurzbz' => 'Termin1'));
+
+			$termin1 = $this->getDataOrTerminateWithError($resultP);
+			if (!$termin1)
+			{
+				//check if existing Zeugnisnote
+				$this->ZeugnisnoteModel->addJoin('lehre.tbl_lehreinheit', 'lehrveranstaltung_id');
+
+				$this->ZeugnisnoteModel->db->where(
+					'lehre.tbl_zeugnisnote.studiensemester_kurzbz',
+					'lehre.tbl_lehreinheit.studiensemester_kurzbz',
+					false
+				);
+				$resultP = $this->ZeugnisnoteModel->loadWhere(array(
+					'lehrveranstaltung_id' => $this->input->post('lehrveranstaltung_id'),
+					'student_uid' => $this->input->post('student_uid')
+				));
+
+				$zeugnisnoten = $this->getDataOrTerminateWithError($resultP);
+				if ($zeugnisnoten)
+				{
+					$zeugnisnote = current($zeugnisnoten);
+
+					$resultN = $this->PruefungModel->insert([
+						'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+						'student_uid' => $this->input->post('student_uid'),
+						'mitarbeiter_uid' => $this->input->post('mitarbeiter_uid'),
+						'datum' => $zeugnisnote->benotungsdatum,
+						'pruefungstyp_kurzbz' => 'Termin1',
+						'note' => $zeugnisnote->note,
+						'punkte' => $zeugnisnote->punkte,
+						'anmerkung' => 'automatisiert aus Zeugnisnote erstellt',
+						'insertamum' => date('c'),
+						'insertvon' => $authUID,
+					]);
+
+					$this->getDataOrTerminateWithError($resultN);
+				}
+				//Wenn keine Zeugnisnote vorhanden ist, dann wird kein
+				//1.Termin angelegt
+			}
+		}
+
+		if(intval($pruefung_id) > 0)
+		{
+			$result = $this->PruefungModel->update(
+				[
+					'pruefung_id' => $pruefung_id
+				],
+				[	'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+					'student_uid' =>  $this->input->post('student_uid'),
+					'mitarbeiter_uid' =>  $this->input->post('mitarbeiter_uid'),
+					'note' => $this->input->post('note'),
+					'pruefungstyp_kurzbz' => $this->input->post('pruefungstyp_kurzbz'),
+					'datum' => $this->input->post('datum'),
+					'anmerkung' => $this->input->post('anmerkung'),
+					'updatevon' => $authUID,
+					'updateamum' => date('c'),
+				]
+			);
+		}
+		else
+		{
+			$result = $this->PruefungModel->insert([
+				'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+				'student_uid' => $this->input->post('student_uid'),
+				'mitarbeiter_uid' => $this->input->post('mitarbeiter_uid'),
+				'datum' => $this->input->post('datum'),
+				'pruefungstyp_kurzbz' => $this->input->post('pruefungstyp_kurzbz'),
+				'note' => $this->input->post('note'),
+				'anmerkung' => $this->input->post('anmerkung'),
+				'insertamum' => date('c'),
+				'insertvon' => $authUID,
+				'punkte' => $this->input->post('punkte') ? str_replace(',', '.', $this->input->post('punkte')) : null
+			]);
+		}
+
+		$this->getDataOrTerminateWithError($result);
+
+		//get studiensemester_kurzbz and lehreveranstaltung_id from lehreinheit
+		$this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+
+		$result = $this->LehreinheitModel->load($this->input->post('lehreinheit_id'));
+
+		$lehreinheiten = $this->getDataOrTerminateWithError($result);
+
+		if (!$lehreinheiten) {
+			$this->terminateWithValidationErrors([
+				'lehreinheit_id' => $this->p->t('ui', 'error_fieldNotFound', [
+					'field' => $this->p->t('lehre', 'lehreinheit')
+				])
+			]);
+		}
+		$lehreinheit = current($lehreinheiten);
+		$studiensemester_kurzbz = $lehreinheit->studiensemester_kurzbz;
+		$lehrveranstaltung_id = $lehreinheit->lehrveranstaltung_id;
+
+		//check if existing zeugnisnote
+		$result = $this->ZeugnisnoteModel->loadWhere(array(
+			'lehrveranstaltung_id' => $lehrveranstaltung_id,
+			'student_uid' => $this->input->post('student_uid'),
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		));
+
+		$zeugnisnoten = $this->getDataOrTerminateWithError($result);
+
+		if (!$zeugnisnoten)
+		{
+			//insert zeugnisnote, if not existing
+			$result = $this->ZeugnisnoteModel->insert(array(
+				'lehrveranstaltung_id' => $lehrveranstaltung_id,
+				'student_uid' => $this->input->post('student_uid'),
+				'studiensemester_kurzbz' => $studiensemester_kurzbz,
+				'note' => $this->input->post('note'),
+				'uebernahmedatum' => date('c'),
+				'benotungsdatum' => $this->input->post('datum'),
+				'insertamum' => date('c'),
+				'insertvon' =>  $authUID,
+				'punkte' => $this->input->post('punkte') ? str_replace(',', '.', $this->input->post('punkte')) : null
+			));
+
+			$this->getDataOrTerminateWithError($result);
+
+			$this->PruefungModel->db->trans_complete();
+			$this->terminateWithSuccess();
+		}
+
+		$note = current($zeugnisnoten);
+		$uebernahmedatum = new DateTime($note->uebernahmedatum);
+		$benotungsdatum = new DateTime($note->benotungsdatum);
+		$pruefungsdatum = new DateTime($this->input->post('datum'));
+
+		$checkDate = $note->uebernahmedatum === '' || $benotungsdatum > $uebernahmedatum
+			? $benotungsdatum
+			: $uebernahmedatum;
+
+		if ($checkDate > $pruefungsdatum && $this->input->post('note') !== $note->note)
+		{
+			$this->PruefungModel->db->trans_complete();
+			$this->terminateWithSuccess($this->p->t('exam', 'hinweis_changeAfterExamDate'));
+		}
+
+		//update zeugnisnote, if existing and valid datum
+		$result = $this->ZeugnisnoteModel->update([
+			'lehrveranstaltung_id' => $lehrveranstaltung_id,
+			'student_uid' => $this->input->post('student_uid'),
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		], [
+			'note' => $this->input->post('note'),
+			'uebernahmedatum' => date('c'),
+			'benotungsdatum' => $this->input->post('datum'),
+			'updateamum' => date('c'),
+			'updatevon' =>  $authUID,
+			'punkte' => $this->input->post('punkte') ? str_replace(',', '.', $this->input->post('punkte')) : null
+		]);
+
+		$this->PruefungModel->db->trans_complete();
+		$this->terminateWithSuccess();
+	}
 }
@@ -1078,6 +1078,24 @@ class Status extends FHCAPI_Controller
 		$this->terminateWithSuccess(true);
 	}

+	protected function checkForCriticalChangesBis($oldstatus)
+	{
+		$changedFields = array();
+		$allowedFields = array('anmerkung', 'statusgrund_id');
+		$oldstatus_array = get_object_vars($oldstatus);
+		foreach($oldstatus_array as $key => $oldValue)
+		{
+			$newValue = $this->input->post($key);
+			if( $newValue !== $oldValue )
+			{
+				$changedFields[] = $key;
+			}
+		}
+		$criticalFieldsChanged = array_diff($changedFields, $allowedFields);
+		$hasCriticalChangesBis = count($criticalFieldsChanged) > 0 ? true : false;
+		return $hasCriticalChangesBis;
+	}
+
 	/**
 	 * Updates a status entry
 	 *
@@ -1102,6 +1120,7 @@ class Status extends FHCAPI_Controller

 		$oldstatus = current($oldstatus);

+		$hasCriticalChangesBis = $this->checkForCriticalChangesBis($oldstatus);

 		$isBerechtigtNoStudstatusCheck =  $this->permissionlib->isBerechtigt('student/keine_studstatuspruefung');
 		$isBerechtigtBasisPrestudentstatus = $this->permissionlib->isBerechtigt('basis/prestudentstatus');
@@ -1112,7 +1131,6 @@ class Status extends FHCAPI_Controller
 		$ausbildungssemester = $this->input->post('ausbildungssemester') ?: $oldstatus->ausbildungssemester;
 		$datum = $this->input->post('datum') ?: $oldstatus->datum;

-
 		//Form Validation
 		$this->load->library('form_validation');

@@ -1135,9 +1153,15 @@ class Status extends FHCAPI_Controller
 			$this->p->t('global', 'datum'),
 			[
 				'is_valid_date',
-				['meldestichtag_not_exceeded', function ($value) use ($isBerechtigtNoStudstatusCheck) {
+				['meldestichtag_not_exceeded', function ($value) use ($isBerechtigtNoStudstatusCheck, $hasCriticalChangesBis){
 					if ($isBerechtigtNoStudstatusCheck)
-						return true; // Skip if access right says so
+					{
+						return true; // Skip if access right says so*/
+					}
+					if (!$hasCriticalChangesBis) {
+						return true; // Skip if no critical changes were made
+					}
+
 					if (!$value)
 						return true; // Error will be handled by the required statement above

@@ -1341,6 +1365,7 @@ class Status extends FHCAPI_Controller
 			'updateamum' => date('c'),
 			'updatevon' => $authUID
 		];
+		$nullableFields = ['statusgrund_id', 'anmerkung', 'rt_stufe'];
 		foreach ([
 					'orgform_kurzbz',
 					'anmerkung',
@@ -1349,8 +1374,17 @@ class Status extends FHCAPI_Controller
 					'rt_stufe',
 					'statusgrund_id'
 				] as $key)
-			if ($this->input->post($key))
+		{
+			if (in_array($key, $nullableFields))
+			{
+				$updateData[$key] = ($this->input->post($key) === '') ? null : $this->input->post($key);
+			}
+			else if ($this->input->post($key))
+			{
 				$updateData[$key] = $this->input->post($key);
+			}
+		}
+

 		if ($this->input->post('bestaetigtam')) {
 			$updateData['bestaetigtam'] = $this->input->post('bestaetigtam');
@@ -37,7 +37,7 @@ class Student extends FHCAPI_Controller
 			'get' => ['admin:r', 'assistenz:r'],
 			'save' => ['admin:rw', 'assistenz:rw'],
 			'saveStudent' => ['admin:rw', 'assistenz:rw'],
-			'check' => ['admin:rw', 'assistenz:rw'],
+			'getPerson' => ['admin:rw', 'assistenz:rw'],
 			'add' => ['admin:rw', 'assistenz:rw'] // TODO(chris): extra permissions
 		]);

@@ -159,9 +159,9 @@ class Student extends FHCAPI_Controller
 										'LEFT');*/

 		$result = $this->PrestudentModel->loadWhere(['tbl_prestudent.prestudent_id' => $prestudent_id]);
-		
+
 		$student = $this->getDataOrTerminateWithError($result);
-		
+
 		if (!$student)
 			return show_404();

@@ -221,7 +221,7 @@ class Student extends FHCAPI_Controller
 		]);

 		$this->load->library('UDFLib');
-		
+
 		$result = $this->udflib->getCiValidations($this->PersonModel, $this->input->post());

 		$udf_field_validations = $this->getDataOrTerminateWithError($result);
@@ -232,7 +232,7 @@ class Student extends FHCAPI_Controller
 			$this->terminateWithValidationErrors($this->form_validation->error_array());

 		$result = $this->StudentModel->loadWhere(['prestudent_id' => $prestudent_id]);
-		
+
 		$student = $this->getDataOrTerminateWithError($result);

 		$uid = $student ? current($student)->student_uid : null;
@@ -245,7 +245,6 @@ class Student extends FHCAPI_Controller

 		$person_id = $person ? current($person)->person_id : null;

-		
 		$array_allowed_props_lehrverband = ['verband', 'semester', 'gruppe'];
 		$update_lehrverband = array();
 		foreach ($array_allowed_props_lehrverband as $prop) {
@@ -305,7 +304,7 @@ class Student extends FHCAPI_Controller
 		}

 		$array_allowed_props_student = ['matrikelnr'];
-		if($this->isLaufendesSemester($studiensemester_kurzbz)) 
+		if($this->isLaufendesSemester($studiensemester_kurzbz))
 		{
 			$array_allowed_props_student = ['matrikelnr', 'verband', 'semester', 'gruppe'];
 		}
@@ -322,6 +321,10 @@ class Student extends FHCAPI_Controller
 		foreach ($array_allowed_props_benutzer as $prop) {
 			$val = $this->input->post($prop);
 			if ($val !== null) {
+				if($prop === 'alias' && $val === '')
+				{
+					$val = null;
+				}
 				$update_benutzer[$prop] = $val;
 			}
 		}
@@ -462,7 +465,7 @@ class Student extends FHCAPI_Controller
 		return $this->save($student->prestudent_id, $studiensemester_kurzbz);
 	}

-	public function check()
+	public function getPerson()
 	{
 		$this->load->library('form_validation');

@@ -480,21 +483,55 @@ class Student extends FHCAPI_Controller

 		$this->load->model('person/Person_model', 'PersonModel');

+		$this->PersonModel->addSelect(
+			'person_id, vorname, nachname, vornamen, wahlname, gebdatum, staatsbuergerschaft, geburtsnation, sprache, anrede,
+			titelpost, titelpre, gebort, gebzeit, homepage, geschlecht, matr_nr,
+			aktiv, unruly, tbl_geschlecht.bezeichnung_mehrsprachig AS geschlecht_bezeichnung'
+		);
+		$this->PersonModel->addJoin('public.tbl_geschlecht', 'geschlecht');
+
 		if ($gebdatum)
 			$this->PersonModel->db->where('gebdatum', (new DateTime($gebdatum))->format('Y-m-d'));
 		if ($vorname && $nachname) {
 			$this->PersonModel->db->or_group_start();
-			$this->PersonModel->db->where('LOWER(nachname)', 'LOWER(' . $this->PersonModel->db->escape($nachname) . ')', false);
-			$this->PersonModel->db->where('LOWER(vorname)', 'LOWER(' . $this->PersonModel->db->escape($vorname) . ')', false);
+			$this->PersonModel->db->where('LOWER(nachname)', 'LOWER(' . $this->PersonModel->db->escape(trim($nachname)) . ')', false);
+			$this->PersonModel->db->where('LOWER(vorname)', 'LOWER(' . $this->PersonModel->db->escape(trim($vorname)) . ')', false);
 			$this->PersonModel->db->group_end();
 		} elseif ($nachname) {
-			$this->PersonModel->db->or_where('LOWER(nachname)', 'LOWER(' . $this->PersonModel->escape($nachname) . ')', false);
+			$this->PersonModel->db->or_where('LOWER(nachname)', 'LOWER(' . $this->PersonModel->escape(trim($nachname)) . ')', false);
 		}

 		$result = $this->PersonModel->load();

 		$data = $this->getDataOrTerminateWithError($result);

+		$this->load->model('person/Adresse_model', 'AdresseModel');
+		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+
+		foreach ($data as $person)
+		{
+			// get adresses
+			$langIdx = $this->_getLanguageIndex() - 1;
+			$person->geschlecht_bezeichnung = isset($person->geschlecht_bezeichnung[$langIdx]) ? $person->geschlecht_bezeichnung[$langIdx] : '';
+
+			// get Adresse
+			$this->AdresseModel->addOrder('heimatadresse', 'DESC');
+			$this->AdresseModel->addOrder('zustelladresse', 'DESC');
+			$this->AdresseModel->addOrder('adresse_id', 'DESC');
+			$result = $this->AdresseModel->loadWhere(['person_id' => $person->person_id]);
+
+			$adressen = $this->getDataOrTerminateWithError($result);
+
+			$person->adressen = $adressen;
+
+			// get status
+			$result = $this->PrestudentstatusModel->getLastStatusPerson($person->person_id);
+
+			$status = $this->getDataOrTerminateWithError($result);
+
+			$person->status = $status;
+		}
+
 		$this->terminateWithSuccess($data);
 	}

@@ -508,71 +545,52 @@ class Student extends FHCAPI_Controller
 			$_POST['ausbildungssemester'] = 0;
 		}

-		$this->load->library('form_validation');
+		$this->_validate();

-		$this->form_validation->set_rules('nachname', 'Nachname', 'callback_requiredIfNotPersonId', [
-			'requiredIfNotPersonId' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'nachname')])
-		]);
-		$this->form_validation->set_rules('geschlecht', 'Geschlecht', 'callback_requiredIfNotPersonId', [
-			'requiredIfNotPersonId' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'geschlecht')])
-		]);
-		$this->form_validation->set_rules('gebdatum', 'Geburtsdatum', ['isValidDate', function($value) { return isValidDate($value); }], [
-			'isValidDate' => $this->p->t('ui', 'error_invalid_date')
-		]);
-		$this->form_validation->set_rules('address[func]', 'Address', 'required|integer|less_than[2]|greater_than[-2]');
-		$this->form_validation->set_rules('address[plz]', 'PLZ', 'callback_requiredIfAddressFunc', [
-			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'plz')])
-		]);
-		$this->form_validation->set_rules('address[gemeinde]', 'Gemeinde', 'callback_requiredIfAddressFunc', [
-			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'gemeinde')])
-		]);
-		$this->form_validation->set_rules('address[ort]', 'Ort', 'callback_requiredIfAddressFunc', [
-			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'ort')])
-		]);
-		$this->form_validation->set_rules('address[address]', 'Adresse', 'callback_requiredIfAddressFunc', [
-			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'adresse')])
-		]);
-		$this->form_validation->set_rules('email', 'E-Mail', 'valid_email');
-		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'callback_requiredIfStudentFunc', [
-			'requiredIfStudentFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'studiengang')])
-		]);
-		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'callback_requiredIfStudentFunc', [
-			'requiredIfStudentFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'studiensemester')])
-		]);
-		$this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'callback_requiredIfStudentFunc|integer|less_than[9]|greater_than[-1]', [
-			'requiredIfStudentFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'ausbildungssemester')])
-		]);
-		// TODO(chris): validate studienplan with studiengang, semester and orgform?
-		// TODO(chris): validate person_id, studiengang_kz, studiensemester_kurzbz, orgform_kurzbz, nation, gemeinde, ort, geschlecht?
-
-		if (!$this->form_validation->run())
-			$this->terminateWithValidationErrors($this->form_validation->error_array());
-
-		// TODO(chris): This should be in a library
+		$this->load->model('crm/Student_model', 'StudentModel');
 		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
 		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
+		$this->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+		$this->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');

-		$this->db->trans_start();
+		$this->load->library('PrestudentLib');

-		$result = $this->addInteressent();
+		$errors = [];
+		$person_id = null;

-		$this->db->trans_complete();
+		$this->db->trans_begin();

-		if ($this->db->trans_status() === FALSE)
-			$this->terminateWithError('TODO(chris): TEXT', self::ERROR_TYPE_GENERAL);
+		$result = $this->_addPerson();
+		if (isError($result)) $errors[] = getError($result);

-		$data = $this->getDataOrTerminateWithError($result);
+		if (hasData($result))
+		{
+			$person_id = getData($result);
+			$result = $this->_addAdresse($person_id);
+			if (isError($result)) $errors[] = getError($result);
+			$result = $this->_addKontakt($person_id);
+			if (isError($result)) $errors[] = getError($result);
+			if (!$this->input->post('personOnly')) $result = $this->_addFirstPrestudentstatus($person_id);
+			if (isError($result)) $errors[] = getError($result);
+		}

-		$this->terminateWithSuccess($data);
+		if ($this->db->trans_status() === FALSE || !isEmptyArray($errors))
+		{
+			$this->db->trans_rollback();
+			$this->terminateWithError(isEmptyArray($errors) ? $this->p->t('stv', 'error_add_student') : $errors);
+		}
+		$this->db->trans_commit();
+
+		$this->terminateWithSuccess($person_id);
 	}

-	protected function addInteressent()
+	private function _addPerson()
 	{
 		// Person anlegen wenn nötig
 		$person_id = $this->input->post('person_id');
 		if (!$person_id) {
 			$this->load->model('person/Person_model', 'PersonModel');
-			
+
 			$data = [
 				'nachname' => $this->input->post('nachname'),
 				'insertamum' => date('c'),
@@ -595,19 +613,25 @@ class Student extends FHCAPI_Controller
 			if ($this->input->post('geschlecht'))
 				$data['geschlecht'] = $this->input->post('geschlecht');
 			if ($this->input->post('gebdatum'))
-				$data['gebdatum'] = (new DateTime($this->input->post('datum_obj')))->format('Y-m-d');
+				$data['gebdatum'] = (new DateTime($this->input->post('gebdatum')))->format('Y-m-d');
 			if ($this->input->post('geburtsnation'))
 				$data['geburtsnation'] = $this->input->post('geburtsnation');
 			if ($this->input->post('staatsbuergerschaft'))
 				$data['staatsbuergerschaft'] = $this->input->post('staatsbuergerschaft');

-			$result = $this->PersonModel->insert($data);
-			$person_id = $this->getDataOrTerminateWithError($result);
+			return $this->PersonModel->insert($data);
 		}

-		// Addresse anlegen
-		$anlegen = $this->input->post('address[func]');
-		if ($anlegen) {
+		return success($person_id);
+	}
+
+	private function _addAdresse($person_id)
+	{
+		// Addresse anlegen?
+		$anlegen = $this->input->post('address[checked]');
+		if ($anlegen === true)
+		{
+			// Adresse laden
 			$this->load->model('person/Adresse_model', 'AdresseModel');

 			$data = [
@@ -619,52 +643,45 @@ class Student extends FHCAPI_Controller
 				'typ' => 'h',
 				'zustelladresse' => true,
 			];
-			if ($anlegen < 0) { // Überschreiben
+
 				$this->AdresseModel->addSelect('adresse_id');
-				$this->AdresseModel->addJoin('public.tbl_adressentyp', 'typ = adressentyp_kurzbz');
-				$this->AdresseModel->addOrder('zustelladresse', 'DESC');
-				$this->AdresseModel->addOrder('sort');
 				$result = $this->AdresseModel->loadWhere([
 					'person_id' => $person_id
 				]);
-				$address = $this->getDataOrTerminateWithError($result);
-				if ($address) {
-					$address = current($address);

-					$data['updateamum'] = date('c');
-					$data['updatevon'] = getAuthUID();
+				if (isError($result)) return $result;
+
+				// wenn neue Adresse, heimatadresse setzen
+				if (!hasData($result)) $data['heimatadresse'] = true;

-					$result = $this->AdresseModel->update($address->adresse_id, $data);
-					$this->getDataOrTerminateWithError($result);
-				} else {
-					//Wenn keine Adrese vorhanden ist dann eine neue Anlegen
-					$anlegen = 1;
-					$data['heimatadresse'] = true;
-				}
-			}
-			if ($anlegen > 0) {
 				$data['person_id'] = $person_id;
 				$data['insertamum'] = date('c');
 				$data['insertvon'] = getAuthUID();
-				if (!isset($data['heimatadresse']))
-					$data['heimatadresse'] = !$this->input->post('person_id');
-				
-				$result = $this->AdresseModel->insert($data);
-				$this->getDataOrTerminateWithError($result);
-			}
+
+				return $this->AdresseModel->insert($data);
 		}
-		
+
+		return success(null);
+	}
+
+	private function _addKontakt($person_id)
+	{
 		// Kontaktdaten
 		$kontaktdaten = [];
-		foreach (['email', 'telefon', 'mobil'] as $k) {
+
+		foreach (['email', 'telefon', 'mobil'] as $k)
+		{
 			$v = $this->input->post($k);
 			if ($v)
 				$kontaktdaten[$k] = $v;
 		}
-		if (count($kontaktdaten)) {
+
+		if (count($kontaktdaten))
+		{
 			$this->load->model('person/Kontakt_model', 'KontaktModel');

-			foreach ($kontaktdaten as $typ => $kontakt) {
+			foreach ($kontaktdaten as $typ => $kontakt)
+			{
 				$data = [
 					'person_id' => $person_id,
 					'kontakttyp' => $typ,
@@ -674,87 +691,70 @@ class Student extends FHCAPI_Controller
 					'insertvon' => getAuthUID()
 				];
 				$result = $this->KontaktModel->insert($data);
-				$this->getDataOrTerminateWithError($result);
+				if (isError($result)) return $result;
 			}
 		}
+		return success(null);
+	}

-		$personOnly = $anlegen = $this->input->post('personOnly');
+	private function _addFirstPrestudentstatus($person_id)
+	{
+		// Prestudent anlegen

-		if (!$personOnly)
+		// Anmerkung with Ausbildungsart
+		$studiengang_kz = $this->input->post('studiengang_kz');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		$ausbildungsart = $this->input->post('ausbildungsart');
+		$anmerkung = $this->input->post('anmerkungen');
+		$foerderrelevant = null;
+		if ($ausbildungsart)
+			$anmerkung .= ' Ausbildungsart:' . $ausbildungsart;
+
+		// Incomings und ausserordentliche sind bei Meldung nicht förderrelevant
+		$incoming = $this->input->post('incoming');
+		if ($incoming || substr($studiengang_kz, 0, 1) == '9')
+			$foerderrelevant = false;
+
+		// Prestudent speichern
+		$result = $this->prestudentlib->setPrestudent(
+			$person_id,
+			$studiengang_kz,
+			$this->input->post('letzteausbildung'),
+			$anmerkung,
+			$foerderrelevant
+		);
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error('Error when adding prestudent');
+
+		$prestudent_id = getData($result);
+
+		// wenn Incoming, Incoming Daten hinzufügen
+		if ($incoming)
 		{
-			// Prestudent anlegen
-			$data = [
-				'aufmerksamdurch_kurzbz' => 'k.A.',
-				'person_id' => $person_id,
-				'studiengang_kz' => $this->input->post('studiengang_kz'),
-				'ausbildungcode' => $this->input->post('letzteausbildung'),
-				'anmerkung' => $this->input->post('anmerkungen'),
-				'reihungstestangetreten' => false,
-				'bismelden' => true
-			];
-			$ausbildungsart = $this->input->post('ausbildungsart');
-			if ($ausbildungsart)
-				$data['anmerkung'] .= ' Ausbildungsart:' . $ausbildungsart;
-			// Incomings und ausserordentliche sind bei Meldung nicht förderrelevant
-			$incoming = $this->input->post('incoming');
-			if ($incoming || substr($data['studiengang_kz'], 0, 1) == '9')
-				$data['foerderrelevant'] = false;
-			// Wenn die Person schon im System erfasst ist, dann die ZGV des Datensatzes uebernehmen
-			$this->PrestudentModel->addOrder('zgvmas_code');
-			$this->PrestudentModel->addOrder('zgv_code', 'DESC');
-			$this->PrestudentModel->addLimit(1);
-			$result = $this->PrestudentModel->loadWhere([
-				'person_id' => $person_id
-			]);
-			$prestudent = $this->getDataOrTerminateWithError($result);
-			if ($prestudent) {
-				$prestudent = current($prestudent);
-				if ($prestudent->zgv_code) {
-					$data['zgv_code'] = $prestudent->zgv_code;
-					$data['zgvort'] = $prestudent->zgvort;
-					$data['zgvdatum'] = $prestudent->zgvdatum;
-
-					$data['zgvmas_code'] = $prestudent->zgvmas_code;
-					$data['zgvmaort'] = $prestudent->zgvmaort;
-					$data['zgvmadatum'] = $prestudent->zgvmadatum;
-				}
-			}
-			// Prestudent speichern
-			$result = $this->PrestudentModel->insert($data);
-			$prestudent_id = $this->getDataOrTerminateWithError($result);
-
-			// Prestudent Rolle Anlegen
-			$data = [
-				'prestudent_id' => $prestudent_id,
-				'status_kurzbz' => $incoming ? 'Incoming' : 'Interessent',
-				'studiensemester_kurzbz' => $this->input->post('studiensemester_kurzbz'),
-				'ausbildungssemester' => $this->input->post('ausbildungssemester') ?: 0,
-				'orgform_kurzbz' => $this->input->post('orgform_kurzbz') ?: null,
-				'studienplan_id' => $this->input->post('studienplan_id') ?: null,
-				'datum' => date('Y-m-d'),
-				'insertamum' => date('c'),
-				'insertvon' => getAuthUID()
-			];
-			$result = $this->PrestudentstatusModel->insert($data);
-			$this->getDataOrTerminateWithError($result);
-
-			if ($incoming) {
-				// TODO(chris): IMPLEMENT!
-				//Matrikelnummer und UID generieren
-				//Benutzerdatensatz anlegen
-				//Studentendatensatz anlegen
-				//StudentLehrverband anlegen
-			}
+			$statusResult = $this->prestudentlib->setFirstIncoming(
+				$prestudent_id,
+				$studiengang_kz,
+				$studiensemester_kurzbz,
+				$this->input->post('orgform_kurzbz'),
+				$this->input->post('studienplan_id')
+			);
 		}
-		// TODO(chris): DEBUG
-		/*$result = $this->PrestudentModel->loadWhere([
-			'pestudent_id' => 1
-		]);
-		if (isError($result)) {
-			return $result;
-		}*/
+		else
+		{
+			// Prestudent Rolle Anlegen
+			$statusResult = $this->prestudentlib->setFirstStatus(
+				$prestudent_id,
+				$this->PrestudentstatusModel::STATUS_INTERESSENT,
+				$studiensemester_kurzbz,
+				$this->input->post('ausbildungssemester'),
+				$this->input->post('orgform_kurzbz'),
+				$this->input->post('studienplan_id')
+			);
+		}
+		if (!hasData($statusResult)) return error('error when adding status');
+		if (isError($statusResult)) return $statusResult;

-		return success($person_id);
+		return success($prestudent_id);
 	}

 	public function requiredIfNotPersonId($value)
@@ -766,20 +766,84 @@ class Student extends FHCAPI_Controller
 	
 	public function requiredIfAddressFunc($value)
 	{
-		if (!$_POST['address']['func'] || $_POST['address']['func'] == 0)
+		if (!isset($_POST['address']['checked']) || !$_POST['address']['checked'])
 			return true;
 		return !!$value;
 	}

 	public function requiredIfStudentFunc($value)
 	{
-		if ($_POST['personOnly'])
+		if (isset($_POST['personOnly']) && $_POST['personOnly'])
 			return true;
 		return !!$value;
 	}

-	public function isValidDate($value)
+	public function requiredIfStudentAndNotIncomingFunc($value)
 	{
-		return isValidDate($value);
+		if ((isset($_POST['incoming']) && $_POST['incoming']) || $this->requiredIfStudentFunc($value))
+			return true;
+		return !!$value;
+	}
+
+	/**
+	 * Validates input data. Terminates with validation errors, if invalid.
+	 */
+	private function _validate()
+	{
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('nachname', 'Nachname', 'callback_requiredIfNotPersonId', [
+			'requiredIfNotPersonId' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'nachname')])
+		]);
+		$this->form_validation->set_rules('geschlecht', 'Geschlecht', 'callback_requiredIfNotPersonId', [
+			'requiredIfNotPersonId' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'geschlecht')])
+		]);
+		$this->form_validation->set_rules('gebdatum', 'Geburtsdatum', ['isValidDate', function($value) { return isValidDate($value); }], [
+			'isValidDate' => $this->p->t('ui', 'error_invalid_date')
+		]);
+		//$this->form_validation->set_rules('address[checked]', 'Address', 'required');
+		$this->form_validation->set_rules('address[plz]', 'PLZ', 'callback_requiredIfAddressFunc', [
+			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'plz')])
+		]);
+		$this->form_validation->set_rules('address[gemeinde]', 'Gemeinde', 'callback_requiredIfAddressFunc', [
+			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'gemeinde')])
+		]);
+		$this->form_validation->set_rules('address[ort]', 'Ort', 'callback_requiredIfAddressFunc', [
+			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'ort')])
+		]);
+		$this->form_validation->set_rules('address[address]', 'Adresse', 'callback_requiredIfAddressFunc', [
+			'requiredIfAddressFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'adresse')])
+		]);
+		$this->form_validation->set_rules('email', 'E-Mail', 'valid_email');
+		$this->form_validation->set_rules('studiengang_kz', 'Studiengang', 'callback_requiredIfStudentFunc', [
+			'requiredIfStudentFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'studiengang')])
+		]);
+		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'callback_requiredIfStudentFunc', [
+			'requiredIfStudentFunc' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'studiensemester')])
+		]);
+		$this->form_validation->set_rules(
+			'ausbildungssemester',
+			'Ausbildungssemester',
+			'callback_requiredIfStudentAndNotIncomingFunc|integer|less_than[9]|greater_than[-1]',
+			[
+				'requiredIfStudentAndNotIncomingFunc' =>
+					$this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('lehre', 'ausbildungssemester')]),
+			]
+		);
+		// TODO(chris): validate studienplan with studiengang, semester and orgform?
+		// TODO(chris): validate person_id, studiengang_kz, studiensemester_kurzbz, orgform_kurzbz, nation, gemeinde, ort, geschlecht?
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+	}
+
+	private function _getLanguageIndex()
+	{
+		$this->load->model('system/Sprache_model', 'SpracheModel');
+		$this->SpracheModel->addSelect('index');
+		$result = $this->SpracheModel->loadWhere(array('sprache' => getUserLanguage()));
+		$this->addMeta('lang', getUserLanguage());
+
+		return hasData($result) ? getData($result)[0]->index : 1;
 	}
 }
@@ -765,6 +765,86 @@ class Students extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}

+	/**
+	 * @param string		$studiensemester_kurzbz
+	 *
+	 * @return void
+	 */
+	public function search($studiensemester_kurzbz)
+	{
+		$this->addMeta('ci_method', __FUNCTION__);
+		$this->addMeta('ci_params', array(
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		));
+
+		$this->load->library('SearchLib', [ 'config' => 'searchstv' ]);
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('searchstr', 'searchstr', 'required');
+		$this->form_validation->set_rules('types[]', 'types', 'required');
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$result = $this->searchlib->search($this->input->post('searchstr'), $this->input->post('types'));
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+		$this->prepareQuery($studiensemester_kurzbz);
+
+		$this->PrestudentModel->addSelect("COALESCE(v.semester::text, CASE WHEN public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') THEN public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)::text ELSE ''::text END) AS semester", false);
+		$this->PrestudentModel->addSelect('v.verband');
+		$this->PrestudentModel->addSelect('v.gruppe');
+
+		//add status per semester
+		$this->PrestudentModel->addSelect(
+			"(
+				SELECT status_kurzbz
+				FROM public.tbl_prestudentstatus pss
+				WHERE pss.prestudent_id = public.tbl_prestudent.prestudent_id
+				  AND pss.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
+				ORDER BY GREATEST(pss.datum, '0001-01-01') DESC
+				LIMIT 1
+				) AS statusofsemester"
+		);
+
+		$this->addSelectPrioRel();
+
+		$this->addFilter($studiensemester_kurzbz);
+
+		$prestudent_ids = [];
+		$student_uids = [];
+			$this->addMeta('data', $data);
+		foreach ($data as $row) {
+			$dataset = json_decode($row->data);
+			if ($row->type == 'prestudent') {
+				$prestudent_ids[] = $dataset->prestudent_id;
+			} elseif ($row->type == 'student') {
+				$student_uids[] = $dataset->uid;
+			}
+		}
+
+		if ($prestudent_ids && $student_uids) {
+			$this->PrestudentModel->db->where_in('tbl_prestudent.prestudent_id', $prestudent_ids);
+			$this->PrestudentModel->db->or_where_in('s.student_uid', $student_uids);
+		} elseif ($prestudent_ids) {
+			$this->PrestudentModel->db->where_in('tbl_prestudent.prestudent_id', $prestudent_ids);
+		} elseif ($student_uids) {
+			$this->PrestudentModel->db->where_in('s.student_uid', $student_uids);
+		} else {
+			$this->terminateWithSuccess([]);
+		}
+
+		$result = $this->PrestudentModel->load();
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
 	/**
 	 * @param string|null	$studiensemester_kurzbz
 	 * @param string		$type
@@ -165,7 +165,17 @@ class Verband extends FHCAPI_Controller
 		
 		$this->StudiengangModel->addDistinct();
 		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", semester) AS link", false);
-		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester ORDER BY verband, gruppe LIMIT 1)) AS name", false);
+		$this->StudiengangModel->addSelect("CONCAT(
+			UPPER(CONCAT(typ, kurzbz)), 
+			'-', 
+			semester, 
+			(
+				SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END 
+				FROM public.tbl_lehrverband 
+				WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester 
+				ORDER BY verband, gruppe LIMIT 1
+			)
+		) AS name", false);

 		$this->StudiengangModel->addSelect('semester');
 		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
@@ -173,6 +183,7 @@ class Verband extends FHCAPI_Controller
 		$this->StudiengangModel->addOrder('semester');

 		if ($org_form !== null) {
+			$this->StudiengangModel->addSelect("v.orgform_kurzbz");
 			$this->StudiengangModel->db->group_start();
 			$this->StudiengangModel->db->where('v.semester', 0);
 			$this->StudiengangModel->db->or_where('v.orgform_kurzbz', $org_form);
@@ -188,6 +199,7 @@ class Verband extends FHCAPI_Controller
 		array_unshift($list, [
 			'name' => 'PreStudent',
 			'link' => $link . 'prestudent',
+			'no_sem_reload' => true,
 			'stg_kz' => (int)$studiengang_kz,
 			'children' => $this->getStdSem($link . 'prestudent/', $studiengang_kz)
 		]);
@@ -203,6 +215,7 @@ class Verband extends FHCAPI_Controller
 					$this->StudienordnungModel->addDistinct();
 					$this->StudienordnungModel->addSelect("CONCAT(studiengang_kz, '/', p.orgform_kurzbz) AS link");
 					$this->StudienordnungModel->addSelect("p.orgform_kurzbz AS name");
+					$this->StudienordnungModel->addSelect("studiengang_kz AS stg_kz");

 					$this->StudienordnungModel->addJoin('lehre.tbl_studienplan p', 'studienordnung_id');

@@ -216,7 +229,6 @@ class Verband extends FHCAPI_Controller
 					$list = array_merge($list, $result);
 				}
 			}
-
 		}
 		$this->terminateWithSuccess($list);
 	}
@@ -233,10 +233,10 @@ class Person extends API_Controller
 				//Quersumme bilden
 				for ($i = 0; $i < 10; $i++)
 				{
-					$erg += $gewichtung[$i] * $tmpSvnr{$i};
+					$erg += $gewichtung[$i] * $tmpSvnr[$i];
 				}

-				if ($tmpSvnr{3} != ($erg % 11)) //Vergleichen der Pruefziffer mit Quersumme Modulo 11
+				if ($tmpSvnr[3] != ($erg % 11)) //Vergleichen der Pruefziffer mit Quersumme Modulo 11
 				{
 					return error('SVNR ist ungueltig');
 				}
@@ -244,7 +244,7 @@ class Person extends API_Controller
 				if (mb_strlen($person['svnr']) == 12)
 				{
 					$last = substr($person['svnr'], 10, 12);
-					if ($last{0} != 'v' || !is_numeric($last{1}))
+					if ($last[0] != 'v' || !is_numeric($last[1]))
 					{
 						return error('SVNR ist ungueltig');
 					}
@@ -200,13 +200,14 @@ class AntragJob extends JOB_Controller
 	}

 	/**
-	 * Send reminder to Assistant for Wiedereinstieg Unterbrecher
+	 * Send reminder to Assistant and to Student for Wiedereinstieg Unterbrecher
 	 *
 	 */
 	public function sendReminderWiedereinstieg()
 	{
 		$now = new DateTime();
 		$modifier = $this->config->item('unterbrechung_job_remind_wiedereinstieg_date_modifier');
+
 		if (!$modifier)
 			return $this->logError('Konnte Job nicht starten: Config "unterbrechung_job_remind_wiedereinstieg_date_modifiers" nicht gesetzt');

@@ -230,6 +231,7 @@ class AntragJob extends JOB_Controller

 		$antraege = getData($result) ?: [];
 		$count = 0;
+		$countReminderStudent = 0;
 		foreach ($antraege as $antrag)
 		{
 			$res = $this->StudierendenantragModel->getStgAndSem($antrag->studierendenantrag_id);
@@ -257,10 +259,92 @@ class AntragJob extends JOB_Controller
 				$data['UID'] = $student->student_uid;
 			}

-			// NOTE(chris): Sancho mail
-			if(sendSanchoMail('Sancho_Mail_Antrag_U_Reminder', $data, $antrag->email, 'Reminder: Unterbrechung Wiedereinstieg'))
+			//Data für Email Student
+			$result = $this->PrestudentModel->load($antrag->prestudent_id);
+			$dataPrestudent = current(getData($result));
+			$person_id = $dataPrestudent->person_id;
+
+			$this->KontaktModel->addSelect('kontakt');
+
+			$result = $this->KontaktModel->loadWhere([
+				'person_id'=> $person_id,
+				'zustellung' => true,
+				'kontakttyp' => 'email'
+			]);
+
+			$email_student_privat = null;
+			$dataKontakt = getData($result);
+			if ($dataKontakt) {
+				$stud_private_zustell_emails = array_map(function($kontakt) {
+					return $kontakt->kontakt;
+				}, $dataKontakt);
+				$email_student_privat = implode(', ', $stud_private_zustell_emails);
+			}
+
+			$email_student_FH = $this->StudentModel->getEmailFH($this->StudentModel->getUID($antrag->prestudent_id));
+
+			//studiensemester
+			$result = $this->StudiensemesterModel->getByDate($datum->format('Y-m-d'));
+			if (hasData($result)) {
+				$dataSem = current(getData($result));
+			}
+
+			$studiensemester = $dataSem->studiensemester_kurzbz;
+			$studsemShort = substr($studiensemester, 0, 2);
+
+			if($studsemShort == "SS")
+			{
+				$data['studSemShort_Eng'] = "summer semester";
+				$data['meldenBis'] = "15.1.";
+				$data['meldenBis_Eng'] = "January 15";
+			}
+			elseif ($studsemShort == "WS") {
+				$data['studSemShort_Eng'] = "winter semester";
+				$data['meldenBis'] = "1.8.";
+				$data['meldenBis_Eng'] = "August 1";
+			}
+			else
+			{
+				$studsemShort = "SS/WS";
+				$data['studSemShort_Eng'] = "summer/winter semester";
+				$data['meldenBis'] = "15.1. (bei Einstieg ins SS) / 1.8. (bei Einstieg ins WS)";
+				$data['meldenBis_Eng'] = "January 15 (for sommer semester enrollment) / August 1 (for winter semester enrollment)";
+			}
+
+			$data['studSemShort'] = $studsemShort;
+
+			// NOTE(chris): Sancho mail Assistant
+			$sancho_assistant_sent = sendSanchoMail('Sancho_Mail_Antrag_U_Reminder', $data, $antrag->email, 'Reminder: Unterbrechung Wiedereinstieg');
+			if($sancho_assistant_sent)
 			{
 				$count++;
+			}
+			else
+			{
+				$this->logError('Error: failed to send Assistant Reminder studierendenantrag_id: ' . $antrag->studierendenantrag_id);
+			}
+			//Mail to Student
+			$sancho_student_sent = sendSanchoMail(
+				'Sancho_Mail_Antrag_U_Remind_Stud',
+				$data,
+				$email_student_FH,
+				'Reminder: Unterbrechung Wiedereinstieg',
+				'',
+				'',
+				'',
+				$email_student_privat);
+
+			if($sancho_student_sent)
+			{
+				$countReminderStudent++;
+			}
+			else
+			{
+				$this->logError('Error: failed to send Student Reminder studierendenantrag_id: ' . $antrag->studierendenantrag_id);
+			}
+
+			if($sancho_assistant_sent && $sancho_student_sent)
+			{
 				$this->StudierendenantragstatusModel->insert([
 					'studierendenantrag_id' => $antrag->studierendenantrag_id,
 					'studierendenantrag_statustyp_kurzbz' => Studierendenantragstatus_model::STATUS_REMINDERSENT,
@@ -268,7 +352,7 @@ class AntragJob extends JOB_Controller
 				]);
 			}
 		}
-		$this->logInfo($count . ' Reminder gesendet - Ende Job sendReminderWiedereinstieg');
+		$this->logInfo($count . ' Reminder an Assistenz und ' . $countReminderStudent . ' Reminder an Student gesendet  - Ende Job sendReminderWiedereinstieg');
 	}

 	/**
@@ -22,6 +22,7 @@ class InfoCenter extends Auth_Controller
 	const REIHUNGSTESTABSOLVIERT_PAGE = 'reihungstestAbsolviert';
 	const ABGEWIESEN_PAGE = 'abgewiesen';
 	const AUFGENOMMEN_PAGE = 'aufgenommen';
+	const ONBOARDING_PAGE = 'onboarding';
 	const SHOW_DETAILS_PAGE = 'showDetails';
 	const SHOW_ZGV_DETAILS_PAGE = 'showZGVDetails';
 	const ZGV_UBERPRUEFUNG_PAGE = 'ZGVUeberpruefung';
@@ -116,6 +117,7 @@ class InfoCenter extends Auth_Controller
 				'index' => 'infocenter:r',
 				'freigegeben' => 'infocenter:r',
 				'abgewiesen' => 'infocenter:r',
+				'onboarding' => 'infocenter:r',
 				'aufgenommen' => 'infocenter:r',
 				'reihungstestAbsolviert' => 'infocenter:r',
 				'showDetails' => 'infocenter:r',
@@ -230,6 +232,13 @@ class InfoCenter extends Auth_Controller

 		$this->load->view('system/infocenter/infocenterAbgewiesen.php');
 	}
+
+	public function onboarding()
+	{
+		$this->_setNavigationMenu(self::ONBOARDING_PAGE); // define the navigation menu for this page
+
+		$this->load->view('system/infocenter/onboarding.php');
+	}
 	
 	/**
 	 * Aufgenommene page of the InfoCenter tool
@@ -1553,6 +1562,7 @@ class InfoCenter extends Auth_Controller
 		$reihungstestAbsolviertLink = site_url(self::INFOCENTER_URI.'/'.self::REIHUNGSTESTABSOLVIERT_PAGE);
 		$abgewiesenLink = site_url(self::INFOCENTER_URI.'/'.self::ABGEWIESEN_PAGE);
 		$aufgenommenLink = site_url(self::INFOCENTER_URI.'/'.self::AUFGENOMMEN_PAGE);
+		$onboardingLink = site_url(self::INFOCENTER_URI.'/'.self::ONBOARDING_PAGE);

 		$currentFilterId = $this->input->get(self::FILTER_ID);
 		if (isset($currentFilterId))
@@ -1561,6 +1571,7 @@ class InfoCenter extends Auth_Controller
 			$reihungstestAbsolviertLink .= '?'.self::PREV_FILTER_ID.'='.$currentFilterId;
 			$abgewiesenLink .= '?'.self::PREV_FILTER_ID.'='.$currentFilterId;
 			$aufgenommenLink .= '?'.self::PREV_FILTER_ID.'='.$currentFilterId;
+			$onboardingLink .= '?'.self::PREV_FILTER_ID.'='.$currentFilterId;
 		}

 		$this->navigationlib->setSessionMenu(
@@ -1624,6 +1635,18 @@ class InfoCenter extends Auth_Controller
 					'', 				// target
 					40   				// sort
 				),
+				'ohnePrestudent' => $this->navigationlib->oneLevel(
+					'Electronic Onboarding',		// description
+					$onboardingLink,	// link
+					null,				// children
+					'users',		// icon
+					null,				// subscriptDescription
+					false,				// expand
+					null,				// subscriptLinkClass
+					null, 				// subscriptLinkValue
+					'', 				// target
+					50   				// sort
+				),
 			)
 		);
 	}
@@ -1650,6 +1673,8 @@ class InfoCenter extends Auth_Controller
 			$link = site_url(self::ZGV_UEBERPRUEFUNG_URI);
 		if ($origin_page === self::ABGEWIESEN_PAGE)
 			$link = site_url(self::INFOCENTER_URI.'/'.self::ABGEWIESEN_PAGE);
+		if ($origin_page === self::ONBOARDING_PAGE)
+			$link = site_url(self::INFOCENTER_URI.'/'.self::ONBOARDING_PAGE);

 		if ($origin_page === self::AUFGENOMMEN_PAGE)
 			$link = site_url(self::INFOCENTER_URI.'/'.self::AUFGENOMMEN_PAGE);
@@ -1691,6 +1716,7 @@ class InfoCenter extends Auth_Controller
 		$freigegebenLink = site_url(self::INFOCENTER_URI.'/'.self::FREIGEGEBEN_PAGE);
 		$absolviertLink = site_url(self::INFOCENTER_URI.'/'.self::REIHUNGSTESTABSOLVIERT_PAGE);
 		$abgewiesenLink = site_url(self::INFOCENTER_URI.'/'.self::ABGEWIESEN_PAGE);
+		$onboardingLink = site_url(self::INFOCENTER_URI.'/'.self::ONBOARDING_PAGE);
 		$prevFilterId = $this->input->get(self::PREV_FILTER_ID);
 		if (isset($prevFilterId))
 		{
@@ -1767,6 +1793,24 @@ class InfoCenter extends Auth_Controller
 				)
 			);
 		}
+		if($page == self::ONBOARDING_PAGE)
+		{
+			$this->navigationlib->setSessionElementMenu(
+				'onboarding',
+				$this->navigationlib->oneLevel(
+					'Electronic Onboarding',		// description
+					$onboardingLink,	// link
+					null,				// children
+					'users',			// icon
+					null,				// subscriptDescription
+					false,				// expand
+					null,				// subscriptLinkClass
+					null, 				// subscriptLinkValue
+					'', 				// target
+					50   				// sort
+				)
+			);
+		}
 	}

 	/**
@@ -35,6 +35,90 @@ class PrestudentLib
 		$this->_ci->load->model('organisation/Studiengang_model', 'StudiengangModel');
 	}

+	/**
+	 * Sets initial prestudent entry, no status yet.
+	 * @return object success or error
+	 */
+	public function setPrestudent(
+		$person_id,
+		$studiengang_kz,
+		$ausbildungscode,
+		$anmerkung,
+		$foerderrelevant
+	)
+	{
+		// Prestudent anlegen
+		$data = [
+			'aufmerksamdurch_kurzbz' => 'k.A.',
+			'person_id' => $person_id,
+			'studiengang_kz' => $studiengang_kz,
+			'ausbildungcode' => $ausbildungscode,
+			'anmerkung' => $anmerkung,
+			'reihungstestangetreten' => false,
+			'bismelden' => true,
+			'foerderrelevant' => $foerderrelevant,
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		];
+
+		// Wenn die Person schon im System erfasst ist, dann die ZGV des Datensatzes uebernehmen
+		$this->_ci->PrestudentModel->addSelect('public.tbl_prestudent.*, public.tbl_person.vorname, public.tbl_person.nachname');
+		$this->_ci->PrestudentModel->addJoin('public.tbl_person', 'person_id');
+		$this->_ci->PrestudentModel->addOrder('zgvmas_code');
+		$this->_ci->PrestudentModel->addOrder('zgv_code', 'DESC');
+		$this->_ci->PrestudentModel->addLimit(1);
+		$result = $this->_ci->PrestudentModel->loadWhere([
+			'person_id' => $person_id,
+			'zgv_code IS NOT NULL' => null
+		]);
+
+		if (isError($result)) return $result;
+
+		if (hasData($result)) {
+			$prestudent = getData($result)[0];
+			if ($prestudent->zgv_code) {
+				$data['zgv_code'] = $prestudent->zgv_code;
+				$data['zgvort'] = $prestudent->zgvort;
+				$data['zgvdatum'] = $prestudent->zgvdatum;
+
+				$data['zgvmas_code'] = $prestudent->zgvmas_code;
+				$data['zgvmaort'] = $prestudent->zgvmaort;
+				$data['zgvmadatum'] = $prestudent->zgvmadatum;
+			}
+		}
+		// Prestudent speichern
+		return $this->_ci->PrestudentModel->insert($data);
+	}
+
+	/**
+	 * Sets first status of a prestudent.!
+	 * @return object success or error
+	 */
+	public function setFirstStatus(
+		$prestudent_id,
+		$status_kurzbz,
+		$studiensemester_kurzbz,
+		$ausbildungssemester = null,
+		$orgform_kurzbz = null,
+		$studienplan_id = null
+	)
+	{
+		// Prestudent Rolle Anlegen
+		$data = [
+			'prestudent_id' => $prestudent_id,
+			'status_kurzbz' => $status_kurzbz,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'ausbildungssemester' => $ausbildungssemester ?: 0,
+			'orgform_kurzbz' => $orgform_kurzbz ?: null,
+			'studienplan_id' => $studienplan_id ?: null,
+			'datum' => date('Y-m-d'),
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		];
+
+		return  $this->_ci->PrestudentstatusModel->insert($data);
+	}
+
 	public function setAbbrecher(
 		$prestudent_id,
 		$studiensemester_kurzbz,
@@ -603,9 +687,6 @@ class PrestudentLib
 		$now = date('c');
 		$today = date('Y-m-d');

-		$jahr = mb_substr($studiensemester_kurzbz, 4, 2);
-
-
 		// Genererate Personenkennzeichen
 		$personenkennzeichen = $this->_ci->StudentModel->generateMatrikelnummer2(
 			$student_data->studiengang_kz,
@@ -615,8 +696,9 @@ class PrestudentLib
 		if (isError($personenkennzeichen))
 			return $personenkennzeichen;
 		$personenkennzeichen = getData($personenkennzeichen);
-		
-		
+
+		$jahr = mb_substr($personenkennzeichen, 0, 2);
+
 		// Generate UID
 		$uid = $this->_ci->StudentModel->generateUID(
 			$student_data->kurzbz,
@@ -889,6 +971,155 @@ class PrestudentLib
 		);
 	}

+	/**
+	 * Creates an incoming, saves necessary data for an incoming. 
+	 * @param $prestudent_id existing prestudent, for which incoming entry is created
+	 * @param $studiengang_kz Studiengang assigned to incoming
+	 * @param $studiensemester_kurzbz start semester for incoming
+	 * @return object success if incoming successfully saved, or error
+	 */
+	public function setFirstIncoming($prestudent_id, $studiengang_kz, $studiensemester_kurzbz, $orgform_kurzbz, $studienplan_id)
+	{
+		// Verband and Ausbildungssemester for incoming
+		$authUID = getAuthUID();
+		$incomingVerband = 'I';
+		$incomingAusbildungssemester = '0';
+
+		// get prestudent
+		$this->_ci->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
+		$this->_ci->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz');
+		$result = $this->_ci->PrestudentModel->load($prestudent_id);
+
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error('No prestudent');
+
+		$student_data = getData($result)[0];
+
+		$result = $this->setFirstStatus(
+			$prestudent_id,
+			$this->_ci->PrestudentstatusModel::STATUS_INCOMING,
+			$studiensemester_kurzbz,
+			$incomingAusbildungssemester,
+			$orgform_kurzbz,
+			$studienplan_id
+		);
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error('Error when adding prestudentstatus');
+
+		// generate Personenkennzeichen
+		$result = $this->_ci->StudentModel->generateMatrikelnummer2($studiengang_kz, $studiensemester_kurzbz);
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error('No personenkennzeichen could be generated');
+
+		$personenkennzeichen = getData($result);
+
+		$jahr = mb_substr($personenkennzeichen, 0, 2);
+		$stg = mb_substr($personenkennzeichen, 3, 4);
+
+		$nachname_clean = mb_strtolower(sanitizeProblemChars($student_data->nachname));
+		$vorname_clean = mb_strtolower(sanitizeProblemChars($student_data->vorname));
+		$nachname_clean = str_replace(' ','_', $nachname_clean);
+		$vorname_clean = str_replace(' ','_', $vorname_clean);
+
+		// get Studiengang data
+		$result = $this->_ci->StudiengangModel->load(ltrim($stg, '0'));
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error('No Studiengang');
+
+		$stgObj = getData($result)[0];
+
+		// gernerate uid
+		$result = $this->_ci->StudentModel->generateUID($stgObj->kurzbz, $jahr, $stgObj->typ, $personenkennzeichen, $vorname_clean, $nachname_clean);
+		if (isError($result)) return $result;
+		if (!hasData($result)) return error("UID could not be generated");
+		$uid = getData($result);
+
+		//Benutzerdatensatz anlegen
+		$benutzer = [
+			'uid' => $uid,
+			'person_id' => $student_data->person_id,
+			'aktiv' => true,
+			'aktivierungscode' => $this->_ci->BenutzerModel->generateActivationkey()
+		];
+
+		// Generate Alias
+		$alias = '';
+		if (!defined('GENERATE_ALIAS_STUDENT') || GENERATE_ALIAS_STUDENT === true)
+		{
+			$result = $this->_ci->BenutzerModel->generateAliasFromName($student_data->vorname, $student_data->nachname);
+			if (isError($result))
+				return $result;
+			$alias = getData($result);
+		}
+
+		$benutzer['alias'] = $alias;
+		$benutzer['insertamum'] = date('Y-m-d H:i:s');
+		$benutzer['insertvon'] = $authUID;
+
+		$result = $this->_ci->BenutzerModel->insert($benutzer);
+
+		if (isError($result)) return $result;
+
+		// Studentendatensatz anlegen
+		$student = [
+			'student_uid' => $uid,
+			'matrikelnr' => $personenkennzeichen,
+			'prestudent_id' => $prestudent_id,
+			'studiengang_kz' => $studiengang_kz,
+			'semester' => $incomingAusbildungssemester,
+			'verband' => $incomingVerband,
+			'gruppe' => ' '
+		];
+
+		$result = $this->_ci->LehrverbandModel->loadWhere([
+				'studiengang_kz' => $student['studiengang_kz'],
+				'semester' => $student['semester'],
+				'verband' => $student['verband'],
+				'gruppe' => $student['gruppe']
+			]);
+
+		if (isError($result)) return $result;
+
+		if (!hasData($result))
+		{
+			// Add Lehrverband if it does not exist
+			$result = $this->_ci->LehrverbandModel->insert([
+				'studiengang_kz' => $student_data->studiengang_kz,
+				'semester' => $student['semester'],
+				'verband' => $student['verband'],
+				'gruppe' => $student['gruppe'],
+				'bezeichnung' => 'Incoming',
+				'aktiv' => true
+			]);
+
+			if (isError($result)) return $result;
+		}
+
+		// add student
+		$student['insertamum'] = date('Y-m-d H:i:s');
+		$student['insertvon'] = $authUID;
+
+		$result = $this->_ci->StudentModel->insert($student);
+		if (isError($result)) return $result;
+
+		// Add Studentlehrverband
+		$result = $this->_ci->StudentlehrverbandModel->insert([
+			'student_uid' => $uid,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'studiengang_kz' => $student_data->studiengang_kz,
+			'semester' => $incomingAusbildungssemester,
+			'verband' => $incomingVerband,
+			'gruppe' => ' ',
+			'insertamum' => date('Y-m-d H:i:s'),
+			'insertvon' => $authUID
+		]);
+
+		if (isError($result))
+			return $result;
+
+		return success($prestudent_id);
+	}
+
 	protected function setBasic($authUID, $now, $status_kurzbz, $prestudent_id, $studiensemester_kurzbz, $ausbildungssemester, $statusgrund_id = null)
 	{
 		$result = $this->_ci->PrestudentstatusModel->getLastStatus($prestudent_id);
@@ -290,7 +290,11 @@ class Prestudentstatus_model extends DB_Model
 	 */
 	public function getLastStatusPerson($person_id, $studiensemester_kurzbz = null)
 	{
-		$query = 'SELECT *
+		$query = 'SELECT p.*, ps.*, s.*,
+					stg.kurzbz AS studiengang_kurzbz, stg.kurzbzlang AS studiengang_kurzbzlang,
+					UPPER(typ::varchar(1) || kurzbz) AS studiengang_kuerzel,
+					stg.typ AS studiengang_typ, stg.bezeichnung AS studiengang_bezeichnung, stg.english AS studiengang_bezeichnung_english,
+					stg.orgform_kurzbz AS studiengang_orgform
 					FROM public.tbl_prestudent p
 					JOIN (
 							SELECT DISTINCT ON(prestudent_id) *
@@ -298,7 +302,8 @@ class Prestudentstatus_model extends DB_Model
 							 WHERE prestudent_id IN (SELECT prestudent_id FROM public.tbl_prestudent WHERE person_id = ?)
 						  ORDER BY prestudent_id, datum desc, insertamum desc
 						) ps USING(prestudent_id)
-					JOIN public.tbl_status USING(status_kurzbz)';
+					JOIN public.tbl_status s USING(status_kurzbz)
+					JOIN public.tbl_studiengang stg USING (studiengang_kz)';

 		$parametersArray = array($person_id);

@@ -27,7 +27,7 @@ class Student_model extends DB_Model
        $this->addSelect('1');

        $result = $this->loadWhere(array('student_uid' => $uid));
-        
+

        if(hasData($result))
        {
@@ -169,7 +169,7 @@ class Student_model extends DB_Model

 		$max = 0;
 		if ($matrikelnrres && hasData($matrikelnrres)) {
-			$max = mb_substr($matrikelnrres->retval[0]->matrikelnr, 7);
+			$max = mb_substr(trim(getData($matrikelnrres)[0]->matrikelnr), -3);
 			if (!is_numeric($max)) {
 				$max = (int)$max;
 			}
@@ -316,8 +316,8 @@ class Lehrveranstaltung_model extends DB_Model
 			(SELECT status_kurzbz FROM public.tbl_prestudentstatus WHERE prestudent_id=tbl_student.prestudent_id ORDER BY datum DESC, insertamum DESC, ext_id DESC LIMIT 1) as status,
 			tbl_bisio.bisio_id, tbl_bisio.von, tbl_bisio.bis, tbl_student.studiengang_kz AS stg_kz_student,
 			tbl_zeugnisnote.note, tbl_mitarbeiter.mitarbeiter_uid, tbl_person.matr_nr, tbl_benutzer.uid,
-			UPPER(tbl_studiengang.typ::varchar(1) || tbl_studiengang.kurzbz) as kuerzel, tbl_studiengang.orgform_kurzbz, vw_student_lehrveranstaltung.semester, vw_student_lehrveranstaltung.studiensemester_kurzbz, vw_student_lehrveranstaltung.bezeichnung
-
+			UPPER(tbl_studiengang.typ::varchar(1) || tbl_studiengang.kurzbz) as kuerzel, tbl_studiengang.orgform_kurzbz, vw_student_lehrveranstaltung.semester, vw_student_lehrveranstaltung.studiensemester_kurzbz, vw_student_lehrveranstaltung.bezeichnung,
+			tbl_student.prestudent_id
 		FROM
 			campus.vw_student_lehrveranstaltung
 			JOIN public.tbl_benutzer USING(uid)
@@ -386,6 +386,37 @@ class Lehrveranstaltung_model extends DB_Model

 		return $this->execQuery($query, array($lehrveranstaltung_id, $studiensemester_kurzbz));
 	}
+
+	/**
+	 * Get LV-Leitung of given Lehrveranstaltung ID and Studiensemester.
+	 *
+	 * @param $lehrveranstaltung_id
+	 * @param $studiensemester
+	 * @return array|stdClass|null
+	 */
+	public function getLvLeitung($lehrveranstaltung_id, $studiensemester)
+	{
+		$params = [$lehrveranstaltung_id, $studiensemester];
+
+		$qry = "
+			SELECT
+				vorname, nachname, mitarbeiter_uid, lehrfunktion_kurzbz
+			FROM
+				lehre.tbl_lehreinheit
+				JOIN lehre.tbl_lehreinheitmitarbeiter lema USING (lehreinheit_id)
+				JOIN public.tbl_benutzer b ON b.uid = lema.mitarbeiter_uid
+				JOIN public.tbl_person p using (person_id) 
+			WHERE
+				tbl_lehreinheit.lehrveranstaltung_id= ?
+				AND tbl_lehreinheit.studiensemester_kurzbz = ?
+				AND lehrfunktion_kurzbz = 'LV-Leitung'
+            ORDER BY 
+                lema.insertamum DESC
+			LIMIT 1
+		";
+
+		return $this->execQuery($qry, $params);
+	}
 	/**
 	 * Gets all Leiter of Lehrveranstaltungsorganisationseinheit
 	 * @param $lehrveranstaltung_id
@@ -24,17 +24,28 @@ class Projektarbeit_model extends DB_Model
 	public function getProjektarbeit($student_uid, $studiengang_kz = null, $studiensemester_kurzbz = null, $projekttyp = null, $final = null)
 	{
 		$qry = "SELECT
-					tbl_projektarbeit.*, tbl_projekttyp.bezeichnung,
+					pa.*, tbl_projekttyp.bezeichnung,
 					tbl_lehreinheit.studiensemester_kurzbz, tbl_lehrveranstaltung.lehrveranstaltung_id,
-					tbl_firma.name AS firma_name
+					tbl_firma.name AS firma_name,
+					(
+						SELECT
+							STRING_AGG(trim(COALESCE(titelpre,'')||' '||COALESCE(vorname,'')||' '||COALESCE(nachname,'')||' '||COALESCE(titelpost,'')), ', ')
+						FROM
+							lehre.tbl_projektbetreuer
+							JOIN public.tbl_person USING (person_id)
+						WHERE
+							projektarbeit_id = pa.projektarbeit_id
+							AND student_uid = pa.student_uid
+						GROUP BY projektarbeit_id
+					) AS projektbetreuer
 				FROM
-					lehre.tbl_projektarbeit
+					lehre.tbl_projektarbeit pa
 					JOIN lehre.tbl_projekttyp USING (projekttyp_kurzbz)
 					JOIN lehre.tbl_lehreinheit USING (lehreinheit_id)
 					JOIN lehre.tbl_lehrveranstaltung USING (lehrveranstaltung_id)
 					LEFT JOIN public.tbl_firma USING (firma_id)
 				WHERE
-					tbl_projektarbeit.student_uid = ?";
+					pa.student_uid = ?";

 		$params = array($student_uid);

@@ -53,16 +64,16 @@ class Projektarbeit_model extends DB_Model
 		if (isset($projekttyp))
 		{
 			if (is_array($projekttyp))
-				$qry .= ' AND tbl_projektarbeit.projekttyp_kurzbz IN ?';
+				$qry .= ' AND pa.projekttyp_kurzbz IN ?';
 			else
-				$qry .= ' AND tbl_projektarbeit.projekttyp_kurzbz=?';
+				$qry .= ' AND pa.projekttyp_kurzbz=?';

 			$params[] = $projekttyp;
 		}

 		if (isset($final))
 		{
-			$qry .= ' AND tbl_projektarbeit.final=?';
+			$qry .= ' AND pa.final=?';
 			$params[] = $final;
 		}

@@ -801,4 +801,73 @@ class Studiengang_model extends DB_Model

 		return $this->execReadOnlyQuery($qry, array($studiengang_kz, $orgform_kurzbz, $studiensemester_kurzbz));
 	}
+
+	/**
+	 * Get active Studiengänge with Kuerzel by given Studiengang-Kennzahlen.
+	 * Helpful to easily get Studiengänge the user is entitled for.
+	 *
+	 * @param $studiengang_kz_arr
+	 * @param $studiensemester_kurzbz
+	 * @return array|stdClass|null	Returns one row per Studiengang. Not considering the Orgforms.
+	 */
+	public function getByStgs($studiengang_kz_arr, $studiensemester_kurzbz)
+	{
+		if (is_numeric($studiengang_kz_arr))
+		{
+			$studiengang_kz_arr = [$studiengang_kz_arr];
+		}
+
+		$qry = '
+			SELECT
+				DISTINCT stg.*, UPPER(typ::varchar(1) || kurzbz) AS kuerzel
+			FROM
+				public.tbl_studiengang stg
+				JOIN lehre.tbl_studienordnung sto USING(studiengang_kz)
+				JOIN lehre.tbl_studienplan stpl USING(studienordnung_id)
+				JOIN lehre.tbl_studienplan_semester stplsem USING(studienplan_id)
+			WHERE
+				stg.studiengang_kz IN ?
+				AND stplsem.studiensemester_kurzbz = ?
+			ORDER BY
+				stg.kurzbzlang
+		';
+
+		return $this->execQuery($qry, [$studiengang_kz_arr, $studiensemester_kurzbz]);
+	}
+
+	/**
+	 * Get OrgForms of given Studiengang and Studiensemester.
+	 *
+	 * @param $studiengang_kz
+	 * @param $studiensemester_kurzbz
+	 * @return array|stdClass|null
+	 */
+	public function getOrgformsByStg($studiengang_kz, $studiensemester_kurzbz)
+	{
+		$qry = '
+			SELECT
+				stpl.orgform_kurzbz
+			FROM
+				public.tbl_studiengang stg
+				JOIN lehre.tbl_studienordnung sto USING(studiengang_kz)
+				JOIN lehre.tbl_studienplan stpl USING(studienordnung_id)
+				JOIN lehre.tbl_studienplan_semester stplsem USING(studienplan_id)
+			WHERE
+				stg.studiengang_kz = ?
+				AND stg.aktiv = TRUE
+				AND stplsem.studiensemester_kurzbz = ?
+			GROUP BY
+				stpl.orgform_kurzbz
+			ORDER BY
+				CASE stpl.orgform_kurzbz
+					WHEN \'VZ\' THEN 1
+					WHEN \'BB\' THEN 2
+					WHEN \'DUA\' THEN 3
+					ELSE 4
+				END,
+				stpl.orgform_kurzbz; 
+		';
+
+		return $this->execQuery($qry, [$studiengang_kz, $studiensemester_kurzbz]);
+	}
 }
@@ -135,7 +135,8 @@ class Profil_update_model extends DB_Model
 				attachment_id,
 				UPPER(public.tbl_studiengang.typ || public.tbl_studiengang.kurzbz) AS studiengang,
 				COALESCE(of.orgform_kurzbz, public.tbl_studiengang.orgform_kurzbz) AS orgform,
-				NULL as oezuordnung
+				NULL as oezuordnung,
+				tbl_student.semester
 			FROM public.tbl_profil_update
 			JOIN public.tbl_profil_update_status ON public.tbl_profil_update_status.status_kurzbz = public.tbl_profil_update.status 
 			JOIN public.tbl_student ON public.tbl_student.student_uid=public.tbl_profil_update.uid
@@ -535,4 +535,53 @@ class Stundenplan_model extends DB_Model

 		return $this->execQuery($query, [$uid, $uid]);
 	}
+
+	/**
+	 * Get Stundenplantermine for given Lehreinheit.
+	 *
+	 * @param $lehreinheit_id
+	 * @return array|stdClass|null
+	 */
+	public function getTermineByLe($lehreinheit_id)
+	{
+		$qry = '
+			SELECT DISTINCT
+			    datum
+			FROM 
+		       	lehre.vw_stundenplan
+			WHERE 
+				lehreinheit_id = ?
+			ORDER BY 
+			    datum ASC
+		';
+
+		return $this->execQuery($qry, [$lehreinheit_id]);
+	}
+
+	/**
+	 * Get Stundenplantermine for given Lehrveranstaltung of given Studiensemester.
+	 *
+	 * @param $lehrveranstaltung_id
+	 * @param $studiensemester_kurzbz
+	 * @return array|stdClass|null
+	 */
+	public function getTermineByLv($lehrveranstaltung_id, $studiensemester_kurzbz)
+	{
+		$qry = '
+		  	SELECT DISTINCT
+				datum
+	   		FROM
+	   		    lehre.vw_stundenplan
+	  		WHERE 
+	  		    lehreinheit_id IN (
+					SELECT lehreinheit_id
+					FROM lehre.tbl_lehreinheit 
+					WHERE lehrveranstaltung_id = ?
+					AND studiensemester_kurzbz = ?
+				)    
+	   		ORDER BY datum ASC
+		';
+
+		return $this->execQuery($qry, [$lehrveranstaltung_id, $studiensemester_kurzbz]);
+	}
 }
@@ -47,7 +47,6 @@ class Stundensatz_model extends DB_Model
 	{
 		$this->load->config('stv');

-		$useFixangestelltStundensatz = $this->config->item('tabs')['projektarbeit']['lvLektroinnenzuteilungFixangestelltStundensatz'];
 		$defaultStundensatz = $this->config->item('tabs')['projektarbeit']['defaultProjektbetreuerStundensatz'];

 		$stundensatz = '';
@@ -63,7 +62,7 @@ class Stundensatz_model extends DB_Model
 			{
 				$studiensemester = getData($result)[0];

-				if (isset($useFixangestelltStundensatz) && !$useFixangestelltStundensatz)
+				if (defined('FAS_LV_LEKTORINNENZUTEILUNG_FIXANGESTELLT_STUNDENSATZ') && !FAS_LV_LEKTORINNENZUTEILUNG_FIXANGESTELLT_STUNDENSATZ)
 				{
 					// load Mitarbeiter
 					$params = [$person_id];
@@ -83,19 +82,30 @@ class Stundensatz_model extends DB_Model

 					if (hasData($result))
 					{
-						foreach (getData($result) as $ma)
-						{
-							if (!$ma->fixangestellt)
-							{
-								$stundensatzRes = $this->getStundensatzByDatum(
-									$ma->mitarbeiter_uid, $studiensemester->start, $studiensemester->ende, 'lehre'
-								);
+						$ma = getData($result)[0];

-								if (hasData($stundensatzRes))
-									$stundensatz = getData($stundensatzRes)[0]->stundensatz;
-								else
-									$stundensatz = '0.00';
-							}
+						$this->load->model('vertragsbestandteil/Dienstverhaeltnis_model','DienstverhaeltnisModel');
+						$echterdv_result = $this->DienstverhaeltnisModel->existsDienstverhaeltnis(
+							$ma->mitarbeiter_uid,
+							$studiensemester->start,
+							$studiensemester->ende,
+							'echterdv'
+						);
+
+						if (hasData($echterdv_result))
+						{
+							$stundensatz = null;
+						}
+						else
+						{
+							$stundensatzRes = $this->getStundensatzByDatum(
+								$ma->mitarbeiter_uid, $studiensemester->start, $studiensemester->ende, 'lehre'
+							);
+
+							if (hasData($stundensatzRes))
+								$stundensatz = getData($stundensatzRes)[0]->stundensatz;
+							else
+								$stundensatz = '0.00';
 						}
 					}
 					else
@@ -40,6 +40,10 @@ $configArray = [
 		cis-root="<?= CIS_ROOT; ?>"
 		:permissions="<?= htmlspecialchars(json_encode($permissions)); ?>"
 		:config="<?=  htmlspecialchars(json_encode($configArray)); ?>"
+<?php if($ids !== null && $typeid !== null) { ?>
+		:id ="<?= htmlspecialchars(json_encode($ids)); ?>"
+		type-id ="<?= htmlspecialchars($typeid); ?>"
+<?php } ?>
 	>
 	</router-view>
 </div>
@@ -24,7 +24,8 @@
 			//'public/css/Lvverwaltung.css' //css tags?
 		],
 		'customJSs' => [
-			'vendor/vuejs/vuedatepicker_js/vue-datepicker.iife.js'
+			'vendor/vuejs/vuedatepicker_js/vue-datepicker.iife.js',
+			'vendor/moment/luxonjs/luxon.min.js'
 			#'vendor/npm-asset/primevue/tree/tree.min.js',
 			#'vendor/npm-asset/primevue/toast/toast.min.js'
 		],
@@ -55,6 +56,8 @@ $configArray = [
 			active-addons="<?= defined('ACTIVE_ADDONS') ? ACTIVE_ADDONS : ''; ?>"
 			stv-root="<?= site_url('Studentenverwaltung'); ?>"
 			cis-root="<?= CIS_ROOT; ?>"
+			avatar-url="<?= site_url('Cis/Pub/bild/person/' . getAuthPersonId()); ?>" 
+			logout-url="<?= site_url('Cis/Auth/logout'); ?>"
 			:permissions="<?= htmlspecialchars(json_encode($permissions)); ?>"
 			:config="<?=  htmlspecialchars(json_encode($configArray)); ?>"
 			>
@@ -0,0 +1,47 @@
+<?php
+	$this->load->view(
+		'templates/FHC-Header',
+		array(
+			'title' => 'Info Center',
+			'jquery3' => true,
+			'jqueryui1' => true,
+			'jquerycheckboxes1' => true,
+			'bootstrap3' => true,
+			'fontawesome4' => true,
+			'sbadmintemplate3' => true,
+			'tablesorter2' => true,
+			'ajaxlib' => true,
+			'filterwidget' => true,
+			'navigationwidget' => true,
+			'dialoglib' => true,
+			'phrases' => array(
+				'person' => array('vorname', 'nachname'),
+				'ui' => array('bitteEintragWaehlen')
+			),
+			'customCSSs' => array('public/css/sbadmin2/tablesort_bootstrap.css', 'public/css/infocenter/infocenterPersonDataset.css'),
+			'customJSs' => array('public/js/bootstrapper.js', 'public/js/infocenter/rueckstellung.js', 'public/js/infocenter/infocenterPersonDataset.js')
+		)
+	);
+?>
+
+	<div id="wrapper">
+
+		<?php echo $this->widgetlib->widget('NavigationWidget'); ?>
+
+		<div id="page-wrapper">
+			<div class="container-fluid">
+				<div class="row">
+					<div class="col-lg-12">
+						<h3 class="page-header">
+							Electronic Onboarding
+						</h3>
+					</div>
+				</div>
+				<div>
+					<?php $this->load->view('system/infocenter/onboardingData.php'); ?>
+				</div>
+			</div>
+		</div>
+	</div>
+
+<?php $this->load->view('templates/FHC-Footer'); ?>
@@ -0,0 +1,116 @@
+<?php
+
+	$APP = '\'infocenter\'';
+	$KENNZEICHEN = '\'eobRegistrierungsId\'';
+
+$query = '
+		SELECT
+			p.person_id AS "PersonId",
+			p.vorname AS "Vorname",
+			p.nachname AS "Nachname",
+			pl.zeitpunkt AS "LockDate",
+			pl.lockuser AS "LockUser",
+			rueck.datum_bis AS "HoldDate",
+			rueck.bezeichnung AS "Rueckstellgrund"
+		FROM public.tbl_person p
+			JOIN tbl_kennzeichen ON p.person_id = tbl_kennzeichen.person_id AND kennzeichentyp_kurzbz = '. $KENNZEICHEN .'
+			LEFT JOIN (
+					SELECT tpl.person_id,
+						   tpl.zeitpunkt,
+						   sp.nachname AS lockuser
+					  FROM system.tbl_person_lock tpl
+					  JOIN public.tbl_benutzer sb USING (uid)
+					  JOIN public.tbl_person sp ON sb.person_id = sp.person_id
+					 WHERE tpl.app = '.$APP.'
+				 ) pl ON p.person_id = pl.person_id
+			LEFT JOIN (
+				SELECT
+					tbl_rueckstellung.person_id,
+					tbl_rueckstellung.datum_bis,
+					tbl_rueckstellung.status_kurzbz,
+					array_to_json(bezeichnung_mehrsprachig::varchar[])->>0 as bezeichnung
+				FROM public.tbl_rueckstellung
+					JOIN public.tbl_rueckstellung_status USING(status_kurzbz)
+					JOIN public.tbl_person sp ON tbl_rueckstellung.person_id = sp.person_id
+				WHERE tbl_rueckstellung.rueckstellung_id =
+				(
+					SELECT srueck.rueckstellung_id
+					FROM public.tbl_rueckstellung srueck
+					WHERE srueck.person_id = tbl_rueckstellung.person_id
+						AND datum_bis >= NOW()
+					ORDER BY srueck.datum_bis DESC LIMIT 1
+				)
+			) rueck ON rueck.person_id = p.person_id
+		WHERE p.person_id NOT IN (SELECT person_id FROM public.tbl_prestudent)';
+
+	$filterWidgetArray = array(
+		'query' => $query,
+		'app' => InfoCenter::APP,
+		'datasetName' => 'onboarding',
+		'filter_id' => $this->input->get('filter_id'),
+		'requiredPermissions' => 'infocenter',
+		'datasetRepresentation' => 'tablesorter',
+		'checkboxes' => 'PersonId',
+		'additionalColumns' => array('Details'),
+		'columnsAliases' => array(
+			'PersonId',
+			ucfirst($this->p->t('person', 'vorname')) ,
+			ucfirst($this->p->t('person', 'nachname')),
+			ucfirst($this->p->t('global', 'sperrdatum')),
+			ucfirst($this->p->t('global', 'gesperrtVon')),
+			ucfirst($this->p->t('infocenter', 'rueckstelldatum')),
+			ucfirst($this->p->t('infocenter', 'rueckstellgrund')),
+		),
+
+		'formatRow' => function($datasetRaw) {
+			/* NOTE: Dont use $this here for PHP Version compatibility */
+			$datasetRaw->{'Details'} = sprintf(
+				'<a href="%s?person_id=%s&origin_page=%s&fhc_controller_id=%s&prev_filter_id=%s">Details</a>',
+				site_url('system/infocenter/InfoCenter/showDetails'),
+				$datasetRaw->{'PersonId'},
+				'onboarding',
+				(isset($_GET['fhc_controller_id']) ? $_GET['fhc_controller_id'] : ''),
+				(isset($_GET['filter_id']) ? $_GET['filter_id'] : '')
+			);
+
+			if ($datasetRaw->{'LockDate'} == null)
+			{
+				$datasetRaw->{'LockDate'} = '-';
+			}
+
+			if ($datasetRaw->{'LockUser'} == null)
+			{
+				$datasetRaw->{'LockUser'} = '-';
+			}
+
+			if ($datasetRaw->{'HoldDate'} == null)
+			{
+				$datasetRaw->{'HoldDate'} = '-';
+			}
+			else
+			{
+				$datasetRaw->{'HoldDate'} = date_format(date_create($datasetRaw->{'HoldDate'}), 'Y-m-d H:i');
+			}
+
+			if ($datasetRaw->{'Rueckstellgrund'} === null)
+			{
+				$datasetRaw->{'Rueckstellgrund'} = '-';
+			}
+
+			return $datasetRaw;
+		},
+
+		'markRow' => function($datasetRaw) {
+
+			if ($datasetRaw->LockDate != null)
+			{
+				return FilterWidget::DEFAULT_MARK_ROW_CLASS;
+			}
+		}
+
+
+
+	);
+
+	echo $this->widgetlib->widget('FilterWidget', $filterWidgetArray);
+?>