Merge branch 'master' into feature-68770/FHC4_Studierendenverwaltung_Funktion_Personen_Zusammenlegen

2026-07-23 18:02:18 +00:00 · 2025-11-20 13:26:34 +01:00
parent d6c4e0db41 2f2c7d0d92
commit 23d1104602
128 changed files with 9656 additions and 1697 deletions
@@ -119,7 +119,19 @@ class Lehrveranstaltung extends FHCAPI_Controller
 			if (hasData($lehreinheiten_data))
 			{
 				$lehreinheiten = getData($lehreinheiten_data);
-				$rowData->_children = $lehreinheiten;
+
+				if (!isset($row->_children))
+				{
+					$row->_children = $lehreinheiten;
+				}
+				else
+				{
+					if (!is_array($row->_children))
+					{
+						$row->_children = [$row->_children];
+					}
+					$row->_children = array_merge($row->_children, $lehreinheiten);
+				}
 			}

 			if (!isEmptyString($row->studienplan_lehrveranstaltung_id_parent))
@@ -12,8 +12,8 @@ class Gruppe extends FHCAPI_Controller
 			'add' => ['admin:rw', 'assistenz:rw'],
 			'delete' => ['admin:rw', 'assistenz:rw'],
 			'deleteFromLVPlan' => ['admin:rw', 'assistenz:rw'],
-			'getBenutzer' => ['admin:r', 'assistenz:r'],
-			'getAll' => ['admin:r', 'assistenz:r'],
+			'getBenutzerSearch' => ['admin:r', 'assistenz:r'],
+			'getAllSearch' => ['admin:r', 'assistenz:r'],
 			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
 		]);

@@ -22,7 +22,8 @@ class Gruppe extends FHCAPI_Controller
 		$this->_ci->load->library('PhrasesLib');
 		$this->loadPhrases(
 			array(
-				'ui'
+				'ui',
+				'lehre'
 			)
 		);

@@ -91,11 +92,11 @@ class Gruppe extends FHCAPI_Controller
 		$lehreinheitgruppe_id = $this->input->post('lehreinheitgruppe_id');

 		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id) || is_null($lehreinheitgruppe_id) || !ctype_digit((string)$lehreinheitgruppe_id))
-			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);

 		$lehreinheitgruppe_result = $this->_ci->LehreinheitgruppeModel->loadWhere(array('lehreinheitgruppe_id' => $lehreinheitgruppe_id));
 		if (!hasData($lehreinheitgruppe_result) || isError($lehreinheitgruppe_result))
-			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);

 		$this->checkPermission($lehreinheit_id);

@@ -108,15 +109,33 @@ class Gruppe extends FHCAPI_Controller
 	}


-	public function getAll()
+	public function getAllSearch()
 	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
 		$this->_ci->GruppeModel->addSelect('gruppe_kurzbz,
 											studiengang_kz,
 											semester,
 											bezeichnung,
 											gid,
 											\'false\' as lehrverband');
-		$gruppen_result = $this->_ci->GruppeModel->loadWhere(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
+		$this->_ci->GruppeModel->db->where(array('sichtbar' => true, 'aktiv' => true, 'lehre' => true, 'direktinskription' => false, 'semester IS NOT NULL' => null));
+		$this->_ci->GruppeModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->GruppeModel->db->group_start();
+			$this->_ci->GruppeModel->db->where('gruppe_kurzbz ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->or_where('bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->GruppeModel->db->group_end();
+		}
+		$this->_ci->GruppeModel->db->group_end();
+
+		$gruppen_result = $this->_ci->GruppeModel->load();

 		$gruppen_array = array();

@@ -135,7 +154,18 @@ class Gruppe extends FHCAPI_Controller
 		$this->_ci->LehrverbandModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
 		$this->_ci->LehrverbandModel->addOrder('verband');
 		$this->_ci->LehrverbandModel->addOrder('gruppe');
-		$lehrverband_result = $this->_ci->LehrverbandModel->loadWhere(array('tbl_lehrverband.aktiv' => true));
+		$this->_ci->LehrverbandModel->db->where(array('tbl_lehrverband.aktiv' => true));
+
+		$this->_ci->LehrverbandModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->LehrverbandModel->db->group_start();
+			$this->_ci->LehrverbandModel->db->where('CONCAT(CONCAT(typ, kurzbz), \'\', semester, verband, COALESCE(gruppe,\'\')) ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->or_where('tbl_lehrverband.bezeichnung ILIKE', "%" . $word . "%");
+			$this->_ci->LehrverbandModel->db->group_end();
+		}
+		$this->_ci->LehrverbandModel->db->group_end();
+		$lehrverband_result = $this->_ci->LehrverbandModel->load();

 		$lehrverband_array = array();

@@ -150,15 +180,40 @@ class Gruppe extends FHCAPI_Controller
 		$this->terminateWithSuccess($all_gruppen);
 	}

-	public function getBenutzer()
+	public function getBenutzerSearch()
 	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
 		$this->_ci->PersonModel->addSelect('vorname, nachname, uid, semester, UPPER(CONCAT(tbl_studiengang.typ, tbl_studiengang.kurzbz)) as studiengang');
 		$this->_ci->PersonModel->addJoin('public.tbl_benutzer', 'person_id');
 		$this->_ci->PersonModel->addJoin('public.tbl_mitarbeiter', 'uid = mitarbeiter_uid', 'LEFT');
 		$this->_ci->PersonModel->addJoin('public.tbl_student', 'uid = student_uid', 'LEFT');
 		$this->_ci->PersonModel->addJoin('public.tbl_studiengang', 'studiengang_kz', 'LEFT');

-		$personen = $this->_ci->PersonModel->loadWhere(array('tbl_benutzer.aktiv' => true));
+		$this->_ci->PersonModel->db->where(array('tbl_benutzer.aktiv' => true));
+
+		$this->_ci->PersonModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->PersonModel->db->group_start();
+			$this->_ci->PersonModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('uid ILIKE', "%" . $word . "%");
+			$this->_ci->PersonModel->db->or_where('CONCAT(tbl_studiengang.typ, tbl_studiengang.kurzbz) ILIKE', "%" . $word . "%");
+
+			if (is_numeric($word))
+			{
+				$this->_ci->PersonModel->db->or_where('semester', $word);
+			}
+			$this->_ci->PersonModel->db->group_end();
+		}
+		$this->_ci->PersonModel->db->group_end();
+		$personen = $this->_ci->PersonModel->load();
 		$this->terminateWithSuccess(hasData($personen) ? getData($personen) : array());
 	}

@@ -169,6 +169,10 @@ class Lehreinheit extends FHCAPI_Controller
 		{
 			$value = $this->input->post($field);

+			if ($field === 'lehre')
+			{
+				$value = (bool)$value;
+			}
 			if ($value !== null)
 			{
 				$updateData[$field] = $value;
@@ -281,15 +285,43 @@ class Lehreinheit extends FHCAPI_Controller
 	public function delete()
 	{
 		$lehreinheit_id = $this->input->post('lehreinheit_id');
-		$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
-		$this->checkPermission($lehreinheit->lehreinheit_id);

-		$result = $this->_ci->LehreinheitModel->deleteLehreinheit($lehreinheit->lehreinheit_id);
+		$errors = array();
+		if (is_array($lehreinheit_id))
+		{
+			foreach ($lehreinheit_id as $le_id)
+			{
+				$lehreinheit = $this->checkLehreinheit($le_id);
+				$this->checkPermission($lehreinheit->lehreinheit_id);

-		if (isError($result))
-			$this->terminateWithValidationErrors(getError($result));
+				$result = $this->_ci->LehreinheitModel->deleteLehreinheit($lehreinheit->lehreinheit_id);

-		$this->terminateWithSuccess('Erfolgreich geloescht');
+				if (isError($result))
+				{
+					$errors[] = getError($result);
+				}
+			}
+		}
+		else
+		{
+			$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+			$this->checkPermission($lehreinheit->lehreinheit_id);
+
+			$result = $this->_ci->LehreinheitModel->deleteLehreinheit($lehreinheit->lehreinheit_id);
+
+			if (isError($result))
+				$this->terminateWithError(getError($result));
+		}
+
+		if (!isEmptyArray($errors))
+		{
+			if (count($errors) !== count($lehreinheit_id))
+				$this->terminateWithSuccess(array('errors' => $errors));
+			else
+				$this->terminateWithError($errors);
+		}
+		else
+			$this->terminateWithSuccess('Erfolgreich geloescht');
 	}

 	public function update()
@@ -15,7 +15,7 @@ class Lektor extends FHCAPI_Controller
 			'deleteLVPlan' => ['admin:rw', 'assistenz:rw'],
 			'deletePerson' => ['admin:rw', 'assistenz:rw'],
 			'getLehrfunktionen' => ['admin:r', 'assistenz:r'],
-			'getLektoren' => ['admin:r', 'assistenz:r'],
+			'getLektorenSearch' => ['admin:r', 'assistenz:r'],
 			'getLektorenByLE' => ['admin:r', 'assistenz:r'],
 			'getLektorDaten' => ['admin:r', 'assistenz:r'],
 			'getLektorVertrag' => ['admin:r', 'assistenz:r'],
@@ -208,12 +208,35 @@ class Lektor extends FHCAPI_Controller
 		$this->terminateWithSuccess(getData($this->_ci->LehrfunktionModel->load()));
 	}

-	public function getLektoren()
+	public function getLektorenSearch()
 	{
+		$query = $this->input->get('query');
+
+		if (is_null($query))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$query_words = explode(' ', $query);
+
 		$this->_ci->MitarbeiterModel->addSelect('uid, person_id, vorname, nachname');
 		$this->_ci->MitarbeiterModel->addJoin('public.tbl_benutzer', 'uid = mitarbeiter_uid');
 		$this->_ci->MitarbeiterModel->addJoin('public.tbl_person', 'person_id');
-		$this->terminateWithSuccess(getData($this->_ci->MitarbeiterModel->loadWhere(array('public.tbl_benutzer.aktiv' => true))));
+
+		$this->_ci->MitarbeiterModel->db->where('public.tbl_benutzer.aktiv', true);
+
+		$this->_ci->MitarbeiterModel->db->group_start();
+		foreach ($query_words as $word)
+		{
+			$this->_ci->MitarbeiterModel->db->group_start();
+			$this->_ci->MitarbeiterModel->db->where('tbl_person.vorname ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->or_where('tbl_person.nachname ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->or_where('uid ILIKE', "%" . $word . "%");
+			$this->_ci->MitarbeiterModel->db->group_end();
+		}
+		$this->_ci->MitarbeiterModel->db->group_end();
+		$this->_ci->MitarbeiterModel->addOrder('nachname');
+		$this->_ci->MitarbeiterModel->addOrder('vorname');
+		$result = $this->_ci->MitarbeiterModel->load();
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
 	}

 	private function checkLehreinheit($lehreinheit_id)
@@ -5,7 +5,7 @@ if (!defined('BASEPATH'))

 class Tags extends Tag_Controller
 {
-	const BERECHTIGUNG_KURZBZ = ['admin:rw', 'assistenz:rw'];
+	const BERECHTIGUNG_KURZBZ = ['admin:rw', 'assistenz:r'];

 	public function __construct()
 	{
@@ -16,7 +16,7 @@ class Messages extends FHCAPI_Controller
 			'getNameOfDefaultRecipient' => ['admin:r', 'assistenz:r'],
 			'sendMessage' => ['admin:r', 'assistenz:r'],
 			'deleteMessage' => ['admin:r', 'assistenz:r'],
-			'getVorlagentext' => ['admin:r', 'assistenz:r'],
+			'getDataVorlage' => ['admin:r', 'assistenz:r'],
 			'getPreviewText' => ['admin:r', 'assistenz:r'],
 			'getReplyData' => ['admin:r', 'assistenz:r'],
 			'getPersonId' => ['admin:r', 'assistenz:r'],
@@ -52,11 +52,14 @@ class Messages extends FHCAPI_Controller

 		$result = $this->MessageModel->getMessagesForTable($id, $offset, $limit);

-		$data = $this->getDataOrTerminateWithError($result);
+		if (hasData($result))
+		{
+			$data = getData($result);
+			$this->addMeta('count', $data['count']);
+			$this->terminateWithSuccess($data['data']);
+		}

-		$this->addMeta('count', $data['count']);
-
-		$this->terminateWithSuccess($data['data']);
+		$this->terminateWithSuccess(array());
 	}

 	public function getVorlagen()
@@ -66,33 +69,23 @@ class Messages extends FHCAPI_Controller
 		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
 		$result = $this->BenutzerfunktionModel->getBenutzerfunktionByUid($uid, 'oezuordnung');

-		$data = $this->getDataOrTerminateWithError($result);
-		$oe_kurzbz = current($data);
+		if (hasData($result))
+		{
+			$this->load->model('system/Vorlage_model', 'VorlageModel');

-		$this->load->model('system/Vorlage_model', 'VorlageModel');
+			$data = getData($result);

-		$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz->oe_kurzbz);
-		$data = $this->getDataOrTerminateWithError($result);
+			$oe_kurzbz = array_column($data, 'oe_kurzbz');
+			$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz);

-		$this->terminateWithSuccess($data);
+			$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
+		}

-		//If admin
-		$this->VorlageModel->addOrder('vorlage_kurzbz', 'ASC');
-		$result = $this->VorlageModel->loadWhere(
-			array(
-				'mimetype' => 'text/html'
-			));
-
-
-		$data = $this->getDataOrTerminateWithError($result);
-
-		$this->terminateWithSuccess($data);
+		$this->terminateWithSuccess(array());
 	}

-	public function getVorlagentext($vorlage_kurzbz)
+	public function getDataVorlage($vorlage_kurzbz)
 	{
-		//$this->terminateWithError("vor " . $vorlage_kurzbz, self::ERROR_TYPE_GENERAL);
-		//$studiengang_kz = 227; //TODO(Manu) dynamisieren NULL
 		$studiengang_kz = 0;
 		$this->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
 		$this->VorlagestudiengangModel->addOrder('version', 'DESC');
@@ -104,12 +97,8 @@ class Messages extends FHCAPI_Controller
 			]);

 		$data = $this->getDataOrTerminateWithError($result);
-
-		//not correct with Vorlage
 		$vorlage = current($data);
-
-		//$this->terminateWithSuccess($data);
-		$this->terminateWithSuccess($vorlage->text);
+		$this->terminateWithSuccess($vorlage);
 	}

 	public function getMessageVarsPerson($id, $typeId)
@@ -154,7 +143,7 @@ class Messages extends FHCAPI_Controller
 	public function sendMessage($recipient_id)
 	{
 		//has to be uid
-	//	$this->terminateWithError("uid", $recipient_id, self::ERROR_TYPE_GENERAL);
+		//	$this->terminateWithError("uid", $recipient_id, self::ERROR_TYPE_GENERAL);

 		//default setting
 		$receiversPersonId = $this->_getPersonId($recipient_id, 'uid');
@@ -223,8 +212,6 @@ class Messages extends FHCAPI_Controller
 		}
 		elseif($typeId == 'prestudent_id')
 		{
-		//	$this->terminateWithError("prestudent_id ", self::ERROR_TYPE_GENERAL);
-
 			$result = $this->MessagesModel->parseMessageTextPrestudent($id, $body);
 			$bodyParsed = $this->getDataOrTerminateWithError($result);
 		}
@@ -429,7 +416,7 @@ class Messages extends FHCAPI_Controller

 	private function _getPrestudentIdFromUid($uid)
 	{
-	//	$this->terminateWithError($uid, self::ERROR_TYPE_GENERAL);
+		//	$this->terminateWithError($uid, self::ERROR_TYPE_GENERAL);
 		$this->load->model('crm/Student_model', 'StudentModel');
 		$result = $this->StudentModel->loadWhere(
 			['student_uid' => $uid]
@@ -463,4 +450,4 @@ class Messages extends FHCAPI_Controller
 			date_format(date_create($sentDate), 'd.m.Y H:i'), $receiverName, $receiverSurname, $body
 		);
 	}
-}
+}
@@ -20,8 +20,6 @@ class Abschlusspruefung extends FHCAPI_Controller
 			'getBeurteilungen' => ['admin:rw', 'assistenz:rw'],
 			'getAkadGrade' => ['admin:rw', 'assistenz:rw'],
 			'getMitarbeiter' => ['admin:rw', 'assistenz:rw'],
-			'getAllMitarbeiter' => ['admin:rw', 'assistenz:rw'],
-			'getAllPersons' => ['admin:rw', 'assistenz:rw'],
 			'getPruefer' => ['admin:rw', 'assistenz:rw'],
 			'getTypStudiengang' => ['admin:rw', 'assistenz:rw'],
 			'checkForExistingExams' => ['admin:rw', 'assistenz:rw'],
@@ -102,35 +100,45 @@ class Abschlusspruefung extends FHCAPI_Controller
 	{
 		$abschlusspruefung_id = $this->input->post('id');

-		$this->AbschlusspruefungModel->addSelect('lehre.tbl_abschlusspruefung.*');
-		$this->AbschlusspruefungModel->addSelect("
-			CASE
-				WHEN pruefer1 IS NOT NULL
-				THEN CONCAT(p1.nachname, ' ', p1.vorname, COALESCE(' ' || p1.titelpre, ''))
-				ELSE NULL
-   			 END AS p1
-   		");
-		$this->AbschlusspruefungModel->addSelect("
-			CASE
-				WHEN pruefer2 IS NOT NULL
-				THEN CONCAT(p2.nachname, ' ', p2.vorname, COALESCE(' ' || p2.titelpre, ''))
-				ELSE NULL
-   			 END AS p2
-		");
-		$this->AbschlusspruefungModel->addSelect("
-			CASE
-				WHEN pruefer3 IS NOT NULL
-				THEN CONCAT(p3.nachname, ' ', p3.vorname, COALESCE(' ' || p3.titelpre, ''))
-				ELSE NULL
-   			 END AS p3
-		");
-		$this->AbschlusspruefungModel->addSelect("
-			CASE
-				WHEN vorsitz IS NOT NULL
-				THEN CONCAT(pv.nachname, ' ', pv.vorname, COALESCE(' ' || pv.titelpre, ''), ' (', ben.uid , ')' )
-				ELSE NULL
-   			 END AS pv
-		");
+		$this->AbschlusspruefungModel->addSelect(
+			'lehre.tbl_abschlusspruefung.*,
+			p1.person_id AS p1_person_id, p1.vorname AS p1_vorname, p1.nachname AS p1_nachname,
+			p1.titelpre AS p1_titelpre, p1.titelpost AS p1_titelpost,
+			p2.person_id AS p2_person_id, p2.vorname AS p2_vorname, p2.nachname AS p2_nachname,
+			p2.titelpre AS p2_titelpre, p2.titelpost AS p2_titelpost,
+			p3.person_id AS p3_person_id, p3.vorname AS p3_vorname, p3.nachname AS p3_nachname,
+			p3.titelpre AS p3_titelpre, p3.titelpost AS p3_titelpost,
+			pv.person_id AS pv_person_id, pv.vorname AS pv_vorname, pv.nachname AS pv_nachname,
+			pv.titelpre AS pv_titelpre, pv.titelpost AS pv_titelpost, ben.uid AS pv_uid'
+		);
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer1 IS NOT NULL
+				//~ THEN CONCAT(p1.nachname, ' ', p1.vorname, COALESCE(' ' || p1.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p1
+   		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer2 IS NOT NULL
+				//~ THEN CONCAT(p2.nachname, ' ', p2.vorname, COALESCE(' ' || p2.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p2
+		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN pruefer3 IS NOT NULL
+				//~ THEN CONCAT(p3.nachname, ' ', p3.vorname, COALESCE(' ' || p3.titelpre, ''))
+				//~ ELSE NULL
+   			 //~ END AS p3
+		//~ ");
+		//~ $this->AbschlusspruefungModel->addSelect("
+			//~ CASE
+				//~ WHEN vorsitz IS NOT NULL
+				//~ THEN CONCAT(pv.nachname, ' ', pv.vorname, COALESCE(' ' || pv.titelpre, ''), ' (', ben.uid , ')' )
+				//~ ELSE NULL
+   			 //~ END AS pv
+		//~ ");
 		$this->AbschlusspruefungModel->addJoin('public.tbl_benutzer ben', 'ON (ben.uid = lehre.tbl_abschlusspruefung.vorsitz)', 'LEFT');
 		$this->AbschlusspruefungModel->addJoin('public.tbl_person pv', 'ON (pv.person_id = ben.person_id)', 'LEFT');
 		$this->AbschlusspruefungModel->addJoin('public.tbl_person p1', 'ON (p1.person_id = lehre.tbl_abschlusspruefung.pruefer1)', 'LEFT');
@@ -220,8 +228,10 @@ class Abschlusspruefung extends FHCAPI_Controller
 		$this->terminateWithSuccess($typStudiengang);
 	}

-	public function getMitarbeiter($searchString)
+	public function getMitarbeiter()
 	{
+		$searchString = $this->input->get('searchString') ?? '';
+
 		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');

 		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString, 'mitAkadGrad');
@@ -232,8 +242,10 @@ class Abschlusspruefung extends FHCAPI_Controller
 		$this->terminateWithSuccess($result ?: []);
 	}

-	public function getPruefer($searchString)
+	public function getPruefer()
 	{
+		$searchString = $this->input->get('searchString') ?? '';
+
 		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');

 		$result = $this->MitarbeiterModel->searchMitarbeiter($searchString, 'ohneMaUid');
@@ -444,58 +456,4 @@ class Abschlusspruefung extends FHCAPI_Controller
 		}
 		$this->terminateWithSuccess('step3');
 	}
-
-	/*
-	* returns list of all Mitarbeiter
-	* as key value list to be used in select or autocomplete
-	*/
-	public function getAllMitarbeiter()
-	{
-		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
-
-		$sql = "
-			SELECT
-			    ma.mitarbeiter_uid as mitarbeiter_uid,
-				CONCAT(p.nachname, ' ', p.vorname, ' (', ma.mitarbeiter_uid, ')') as label
-			FROM
-			  public.tbl_mitarbeiter ma
-			  JOIN public.tbl_benutzer bn ON (bn.uid = ma.mitarbeiter_uid)
-			  JOIN public.tbl_person p ON (p.person_id = bn.person_id)
-			ORDER BY
-			p.nachname ASC
-			";
-
-		$result = $this->MitarbeiterModel->execReadOnlyQuery($sql);
-		$data = $this->getDataOrTerminateWithError($result);
-
-		$this->terminateWithSuccess($data);
-	}
-
-	/*
-	* returns list of all Persons
-	* as key value list to be used in select or autocomplete
-	*/
-	public function getAllPersons()
-	{
-		$this->load->model('person/Person_model', 'PersonModel');
-
-		$sql = "
-			SELECT
-			    p.vorname, p.nachname, p.person_id,
-				CONCAT(p.nachname, ' ', p.vorname) as label
-			FROM
-			  public.tbl_person p
-			 -- JOIN public.tbl_benutzer bn ON (p.person_id = bn.person_id)
-			  -- and bn.aktiv = 'true'
-			ORDER BY
-			p.nachname ASC
-			";
-
-		//TODO(manu) check if filter active benutzer
-
-		$result = $this->PersonModel->execReadOnlyQuery($sql);
-		$data = $this->getDataOrTerminateWithError($result);
-
-		$this->terminateWithSuccess($data);
-	}
 }
@@ -39,7 +39,7 @@ class Archiv extends FHCAPI_Controller
 			'archive' => ['admin:w', 'assistenz:w'],
 			'download' => ['admin:w', 'assistenz:w'],
 			'update' => ['admin:w'],
-			'delete' => ['admin:w', 'assistenz:w']
+			'delete' => ['admin:w', 'assistenz:w'],
 		]);

 		// Load models
@@ -107,13 +107,9 @@ class Archiv extends FHCAPI_Controller

 		$result = $this->AkteModel->load($akte_id);

-
 		if (!hasData($result)) $this->terminateWithError('Akte not found');

-		$data = $this->getDataOrTerminateWithError($result);
-
 		$data = getData($result)[0];
-		//$this->addMeta("daa", $data->inhalt);

 		$fileObj = new stdClass();
 		if (isset($data->inhalt) && $data->inhalt != '')
@@ -133,12 +129,7 @@ class Archiv extends FHCAPI_Controller
 			//header("Content-type: $data->mimetype");
 			header('Content-Disposition: attachment; filename="'.$data->titel.'"');
 			readfile($filename);
-			//echo base64_decode($data->inhalt);
 			die();
-			//~ $fileObj->file = $data->inhalt;
-			//~ $fileObj->name = $data->titel;
-			//~ $fileObj->mimetype = $data->mimetype;
-			//~ $fileObj->disposition = 'attachment';
 		}
 		else
 		{
@@ -146,12 +137,6 @@ class Archiv extends FHCAPI_Controller

 			$result = $this->aktelib->get($akte_id);
 		}
-
-	/*	$fileObj->filename
-	 * 	$fileObj->file
-	 * 	$fileObj->name
-	 * 	$fileObj->mimetype
-	 * 	$fileObj->disposition*/
 	}

 	/**
@@ -33,6 +33,7 @@ class Config extends FHCAPI_Controller
 	{
 		// TODO(chris): permissions
 		parent::__construct([
+			'filter' => ['admin:r', 'assistenz:r'],
 			'student' => ['admin:r', 'assistenz:r'],
 			'students' => ['admin:r', 'assistenz:r']
 		]);
@@ -45,13 +46,166 @@ class Config extends FHCAPI_Controller
 			'lehre',
 			'stv',
 			'konto',
-			'abschlusspruefung'
+			'abschlusspruefung',
+			'projektarbeit'
 		]);

 		// Load Config
 		$this->load->config('stv');
 	}

+	/**
+	 * Get the config for the student filters
+	 *
+	 * @return void
+	 */
+	public function filter()
+	{
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+
+		$this->load->model('crm/Buchungstyp_model', 'BuchungstypModel');
+
+		$this->BuchungstypModel->addOrder('beschreibung');
+		
+		$result = $this->BuchungstypModel->load();
+
+		$buchungstyp_kurzbz = $this->getDataOrTerminateWithError($result);
+		$buchungstyp_kurzbz_plus_all = array_merge([[
+			'buchungstyp_kurzbz' => 'all',
+			'beschreibung' => $this->p->t('stv', 'konto_all_types')
+		]], $buchungstyp_kurzbz);
+
+		$this->load->model('crm/Statusgrund_model', 'StatusgrundModel');
+
+		$result = $this->StatusgrundModel->getAktiveGruende();
+		
+		$statusgruende = $this->getDataOrTerminateWithError($result);
+
+		$result = [];
+
+		$result[] = [
+			'id' => 'filter_konto_count_0',
+			'label' => $this->p->t('stv', 'filter_konto_count_0'),
+			'type' => 'konto',
+			'fixed' => [
+				'missing' => true,
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_counter',
+			'label' => $this->p->t('stv', 'filter_konto_missing_counter'),
+			'type' => 'konto_counter',
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz_plus_all,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				],
+				'samestg' => [
+					'type' => 'bool',
+					'label' => $this->p->t('stv', 'filter_konto_samestg'),
+					'default' => $this->variablelib->getVar('kontofilterstg') == 'true'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_documents',
+			'label' => $this->p->t('stv', 'filter_documents'),
+			'type' => 'documents'
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_counter_past',
+			'label' => $this->p->t('stv', 'filter_konto_missing_counter_past'),
+			'type' => 'konto_counter',
+			'fixed' => [
+				'past' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz_plus_all,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				],
+				'samestg' => [
+					'type' => 'bool',
+					'label' => $this->p->t('stv', 'filter_konto_samestg'),
+					'default' => $this->variablelib->getVar('kontofilterstg') == 'true'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_missing_studiengebuehr',
+			'label' => $this->p->t('stv', 'filter_konto_missing_studiengebuehr'),
+			'type' => 'konto',
+			'fixed' => [
+				'missing' => true,
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_konto_studiengebuehrerhoeht',
+			'label' => $this->p->t('stv', 'filter_konto_studiengebuehrerhoeht'),
+			'type' => 'konto',
+			'fixed' => [
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'buchungstyp_kurzbz' => [
+					'type' => 'select',
+					'values' => $buchungstyp_kurzbz,
+					'value_key' => 'buchungstyp_kurzbz',
+					'label_key' => 'beschreibung'
+				]
+			]
+		];
+		$result[] = [
+			'id' => 'filter_zgv_without_date',
+			'label' => $this->p->t('stv', 'filter_zgv_without_date'),
+			'type' => 'zgv'
+		];
+		$result[] = [
+			'id' => 'filter_statusgrund',
+			'label' => $this->p->t('stv', 'filter_statusgrund'),
+			'type' => 'statusgrund',
+			'fixed' => [
+				'usestdsem' => true
+			],
+			'dynamic' => [
+				'statusgrund_id' => [
+					'type' => 'select',
+					'values' => $statusgruende,
+					'value_key' => 'statusgrund_id',
+					'label_key' => 'bezeichnung'
+				]
+			]
+		];
+
+		Events::trigger('stv_conf_filter', function & () use (&$result) {
+			return $result;
+		});
+
+		$this->terminateWithSuccess($result);
+	}
+
 	public function student()
 	{
 		$result = [];
@@ -59,21 +213,21 @@ class Config extends FHCAPI_Controller

 		$result['details'] = [
 			'title' => $this->p->t('stv', 'tab_details'),
-			'component' => './Stv/Studentenverwaltung/Details/Details.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Details.js'),
 			'config' => $config['details']
 		];

 		$result['notes'] = [
 			'title' => $this->p->t('stv', 'tab_notes'),
-			'component' => './Stv/Studentenverwaltung/Details/Notizen.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Notizen.js'),
 			'config'	=> $config['notes'],
 			'showSuffix' => ($config['notes']['showCountNotes'] ?? false),
-			'suffixhelper' => APP_ROOT . 'public/js/helpers/Stv/Studentenverwaltung/Details/Notizen/NotizenSuffixHelper.js'
+			'suffixhelper' => absoluteJsImportUrl('public/js/helpers/Stv/Studentenverwaltung/Details/Notizen/NotizenSuffixHelper.js')
 		];

 		$result['contact'] = [
 			'title' => $this->p->t('stv', 'tab_contact'),
-			'component' => './Stv/Studentenverwaltung/Details/Kontakt.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Kontakt.js'),
 			'config' => [
 				'showBankaccount' => $this->permissionlib->isBerechtigt('mitarbeiter/bankdaten')
 					|| $this->permissionlib->isBerechtigt('student/bankdaten')
@@ -81,20 +235,20 @@ class Config extends FHCAPI_Controller
 		];
 		$result['prestudent'] = [
 			'title' => $this->p->t('stv', 'tab_prestudent'),
-			'component' => './Stv/Studentenverwaltung/Details/Prestudent.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Prestudent.js'),
 			'config' => $config['prestudent']
 		];
 		$result['status'] = [
 			'title' => 'Status',
-			'component' => './Stv/Studentenverwaltung/Details/MultiStatus.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js')
 		];
 		$result['documents'] = [
 			'title' => $this->p->t('stv', 'tab_documents'),
-			'component' => './Stv/Studentenverwaltung/Details/Dokumente.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Dokumente.js')
 		];
 		$result['banking'] = [
 			'title' => $this->p->t('stv', 'tab_banking'),
-			'component' => './Stv/Studentenverwaltung/Details/Konto.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Konto.js'),
 			'config' => [
 				'showZahlungsbestaetigung' => (defined('ZAHLUNGSBESTAETIGUNG_ANZEIGEN') && ZAHLUNGSBESTAETIGUNG_ANZEIGEN),
 				'showBuchungsnr' => $this->permissionlib->isBerechtigt('admin'),
@@ -106,20 +260,23 @@ class Config extends FHCAPI_Controller
 		];
 		$result['resources'] = [
 			'title' => $this->p->t('stv', 'tab_resources'),
-			'component' => './Stv/Studentenverwaltung/Details/Betriebsmittel.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Betriebsmittel.js'),
+			'showOnlyWithUid' => true
 		];
 		$result['groups'] = [
 			'title' => $this->p->t('stv', 'tab_groups'),
-			'component' => './Stv/Studentenverwaltung/Details/Gruppen.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Groups.js'),
+			'showOnlyWithUid' => true
 		];
 		$result['messages'] = [
 			'title' => $this->p->t('stv', 'tab_messages'),
-			'component' => './Stv/Studentenverwaltung/Details/Messages.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Messages.js'),
+			'showOnlyWithUid' => true
 		];

 		$result['grades'] = [
 			'title' => $this->p->t('stv', 'tab_grades'),
-			'component' => './Stv/Studentenverwaltung/Details/Noten.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Noten.js'),
 			'showOnlyWithUid' => true,
 			'config' => [
 				'usePoints' => defined('CIS_GESAMTNOTE_PUNKTE') && CIS_GESAMTNOTE_PUNKTE,
@@ -132,29 +289,42 @@ class Config extends FHCAPI_Controller

 		$result['exam'] = [
 			'title' => $this->p->t('stv', 'tab_exam'),
-			'component' => './Stv/Studentenverwaltung/Details/Pruefung.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Pruefung.js'),
+			'showOnlyWithUid' => true
 		];

 		$result['exemptions'] = [
 			'title' => $this->p->t('lehre', 'anrechnungen'),
-			'component' => './Stv/Studentenverwaltung/Details/Anrechnungen.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Anrechnungen.js'),
 			'config' => $config['exemptions']
 		];

 		$result['finalexam'] = [
 			'title' => $this->p->t('stv', 'tab_finalexam'),
-			'component' => './Stv/Studentenverwaltung/Details/Abschlusspruefung.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Abschlusspruefung.js'),
+			'showOnlyWithUid' => true,
 			'config' => $config['finalexam']
 		];

+		$result['projektarbeit'] = [
+			'title' => $this->p->t('stv', 'tab_projektarbeit'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Projektarbeit.js'),
+			'config' => array_merge(
+				$config['projektarbeit'],
+				['showVertragsdetails' =>
+					defined('FAS_STUDIERENDE_PROJEKTARBEIT_VERTRAGSDETAILS_ANZEIGEN') && FAS_STUDIERENDE_PROJEKTARBEIT_VERTRAGSDETAILS_ANZEIGEN]
+			)
+		];
+
 		$result['mobility'] = [
 			'title' => $this->p->t('stv', 'tab_mobility'),
-			'component' => './Stv/Studentenverwaltung/Details/Mobility.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Mobility.js'),
+			'showOnlyWithUid' => true
 		];

 		$result['archive'] = [
 			'title' => $this->p->t('stv', 'tab_archive'),
-			'component' => './Stv/Studentenverwaltung/Details/Archiv.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Archiv.js'),
 			'config' => [
 				'showEdit' => $this->permissionlib->isBerechtigt('admin')
 			]
@@ -162,22 +332,24 @@ class Config extends FHCAPI_Controller

 		$result['jointstudies'] = [
 			'title' => $this->p->t('stv', 'tab_jointstudies'),
-			'component' => './Stv/Studentenverwaltung/Details/JointStudies.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/JointStudies.js'),
+			'showOnlyWithUid' => true
 		];

 		$result['coursedates'] = [
 			'title' => $this->p->t('stv', 'tab_courseDates'),
-			'component' => './Stv/Studentenverwaltung/Details/Lehrveranstaltungstermine.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Lehrveranstaltungstermine.js')
 		];

 		$result['admissionDates'] = [
 			'title' => $this->p->t('stv', 'tab_admissionDates'),
-			'component' => './Stv/Studentenverwaltung/Details/Aufnahmetermine.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Aufnahmetermine.js')
 		];

 		$result['functions'] = [
 			'title' => $this->p->t('stv', 'tab_functions'),
-			'component' => './Stv/Studentenverwaltung/Details/Funktionen.js'
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Funktionen.js'),
+			'showOnlyWithUid' => true
 		];

 		Events::trigger('stv_conf_student', function & () use (&$result) {
@@ -195,7 +367,7 @@ class Config extends FHCAPI_Controller
 		$config = $this->config->item('tabs');
 		$result['banking'] = [
 			'title' => $this->p->t('stv', 'tab_banking'),
-			'component' => './Stv/Studentenverwaltung/Details/Konto.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Konto.js'),
 			'config' => [
 				'showZahlungsbestaetigung' => (defined('ZAHLUNGSBESTAETIGUNG_ANZEIGEN') && ZAHLUNGSBESTAETIGUNG_ANZEIGEN),
 				'showBuchungsnr' => $this->permissionlib->isBerechtigt('admin'),
@@ -205,9 +377,14 @@ class Config extends FHCAPI_Controller
 				'additionalCols' => []
 			]
 		];
+		$result['groups'] = [
+			'title' => $this->p->t('stv', 'tab_groups'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Groups.js'),
+			'showOnlyWithUid' => true
+		];
 		$result['status'] = [
 			'title' => 'Status',
-			'component' => './Stv/Studentenverwaltung/Details/MultiStatus.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/MultiStatus.js'),
 			'config' => [
 				'changeStatusToAbbrecherStgl' => $this->permissionlib->isBerechtigt('admin'),
 				'changeStatusToAbbrecherStud' => $this->permissionlib->isBerechtigt('admin'),
@@ -218,12 +395,13 @@ class Config extends FHCAPI_Controller
 		];
 		$result['finalexam'] = [
 			'title' => $this->p->t('stv', 'tab_finalexam'),
-			'component' => './Stv/Studentenverwaltung/Details/Abschlusspruefung.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Abschlusspruefung.js'),
+			'showOnlyWithUid' => true,
 			'config' => $config['finalexam']
 		];
 		$result['archive'] = [
 			'title' => $this->p->t('stv', 'tab_archive'),
-			'component' => './Stv/Studentenverwaltung/Details/Archiv.js',
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Archiv.js'),
 			'config' => [
 				'showEdit' => $this->permissionlib->isBerechtigt('admin')
 			]
@@ -234,6 +412,11 @@ class Config extends FHCAPI_Controller
 			'config' => $config['combinePeople']
 		];

+		$result['kontaktieren'] = [
+			'title' => $this->p->t('stv', 'tab_kontaktieren'),
+			'component' => absoluteJsImportUrl('public/js/components/Stv/Studentenverwaltung/Details/Kontaktieren.js'),
+		];
+
 		Events::trigger('stv_conf_students', function & () use (&$result) {
 			return $result;
 		});
@@ -2,6 +2,7 @@

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

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

 class Dokumente extends FHCAPI_Controller
@@ -19,6 +20,8 @@ class Dokumente extends FHCAPI_Controller
 			'getDoktypen' => ['admin:r', 'assistenz:r'],
 			'uploadDokument' => ['admin:rw', 'assistenz:rw'],
 			'download' => ['admin:rw', 'assistenz:rw'],
+			'getDocumentDropDown' => ['admin:rw', 'assistenz:rw'],
+			'getDocumentDropDownMulti' => ['admin:rw', 'assistenz:rw'],
 		]);

 		// Load Libraries
@@ -566,4 +569,422 @@ class Dokumente extends FHCAPI_Controller
 			return false;
 		}
 	}
+
+	public function getDocumentDropDown($prestudent_id, $studiensemester_kurzbz, $studiengang_kz)
+	{
+		$this->load->helper('hlp_common');
+		//permission to create also odt, and doc outputs of certain documents(menu abschlusspruefung)
+		$hasPermissionOutputformat = $this->permissionlib->isBerechtigt('system/change_outputformat', 's');
+
+		if (!$prestudent_id)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Prestudent_id']), self::ERROR_TYPE_GENERAL);
+		if (!$studiensemester_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+
+		$uid = $this->_loadUIDFromPrestudent($prestudent_id);
+		$semArray = $this->_getEntriesStudiensemester();
+		$stgTyp = $this->_getStudiengangstyp($studiengang_kz);
+
+		$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", $uid, 21, null),
+
+			buildDropdownEntryPrintArray("bescheid", "Bescheid (nur Voransicht)", "xml=abschlusspruefung.rdf.php&xsl_stg_kz=$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", $uid, 51, null),
+			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$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),
+
+			$this->buildStudienerfolgSubmenu("de", $uid, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("en", $uid, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("de", $uid, $semArray, $studiensemester_kurzbz, true),
+			$this->buildStudienerfolgSubmenu("en", $uid, $semArray, $studiensemester_kurzbz, true),
+
+			[
+				"id" => "submenu_studstatus",
+				"type" => "submenu",
+				"name" => "Verwaltung des StudierendenStatus",
+				"order" => 110,
+				"data" => [
+					buildDropdownEntryPrintArray("Abmeldung", "Abmeldung", "xml=AntragAbmeldung.xml.php&xsl=AntragAbmeldung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Abmeldung durch Stgl", "AntragAbmeldungStgl", "xml=AntragAbmeldungStgl.xml.php&xsl=AntragAbmeldungStgl&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Unterbrechung", "Unterbrechung", "xml=AntragUnterbrechung.xml.php&xsl=AntragUnterbrechung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+					buildDropdownEntryPrintArray("Wiederholung", "Abmeldung durch Ablauf der Wiederholungsfrist", "xml=AntragWiederholung.xml.php&xsl=AntragWiederholung&prestudent_id=$prestudent_id&output=pdf", $uid, null, null),
+				]
+			],
+
+			//Bakkzeugnis bzw. Diplomzeugnis is just shown in tab final_exam
+			buildDropdownEntryPrintArray("zeugnis", "Zeugnis", "xml=zeugnis.rdf.php&xsl=Zeugnis&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uid, 121, null),
+			buildDropdownEntryPrintArray("zeugnis_en", "Zeugnis Englisch", "xml=zeugnis.rdf.php&xsl=ZeugnisEng&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uid, 122, null),
+
+
+		];
+
+		Events::trigger('DocumentGenerationDropDown',
+			// passing $menu per reference
+			function & () use (&$documents) {
+				return $documents;
+			},
+			$prestudent_id,
+			$studiensemester_kurzbz,
+			$studiengang_kz
+		);
+
+		$extraEntries = $this->loadDropDownEntriesBakkOrDipl($stgTyp, $uid);
+
+		$documents = array_merge($documents, $extraEntries);
+
+		usort($documents, function ($a, $b) {
+			$orderA = isset($a['order']) ? (int)$a['order'] : PHP_INT_MAX;
+			$orderB = isset($b['order']) ? (int)$b['order'] : PHP_INT_MAX;
+			return $orderA <=> $orderB;
+		});
+
+		$this->terminateWithSuccess($documents);
+		//return $documents || null;
+	}
+
+	public function getDocumentDropDownMulti($studiensemester_kurzbz,$studiengang_kz)
+	{
+		//permission to create also odt, and doc outputs of certain documents (menu abschlusspruefung)
+		$hasPermissionOutputformat = $this->permissionlib->isBerechtigt('system/change_outputformat', 's');
+
+		$studentUids = $this->input->get('studentUids');
+		$prestudentIds = [];
+
+		if (is_array($studentUids) && !empty($studentUids)) {
+			foreach ($studentUids as $uid) {
+				$prestudent_id = $this-> _loadPrestudentFromUid($uid);
+				$prestudentIds[] = $prestudent_id;
+			}
+		}
+		else
+		{
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Array StudentUIDs']), self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!$studiensemester_kurzbz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiensemester']), self::ERROR_TYPE_GENERAL);
+		if(!$studiengang_kz)
+			$this->terminateWithError($this->p->t('ui', 'errorMissingValue', ['value' => 'Studiengang_kz']), self::ERROR_TYPE_GENERAL);
+
+
+		$uidString = implode(";", $studentUids);
+		$prestudentIdsString = implode(";", $prestudentIds);
+
+		$semArray = $this->_getEntriesStudiensemester();
+		$stgTyp = $this->_getStudiengangstyp($studiengang_kz);
+
+		$documents = [
+			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", $uidString, 51, null),
+			buildDropdownEntryPrintArray("zutrittskarte", "Zutrittskarte", "xsl=ZutrittskarteStud&output=pdf&data=$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),
+
+			// Studienerfolg Menüs automatisch
+			$this->buildStudienerfolgSubmenu("de", $uidString, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("en", $uidString, $semArray, $studiensemester_kurzbz),
+			$this->buildStudienerfolgSubmenu("de", $uidString, $semArray, $studiensemester_kurzbz, true),
+			$this->buildStudienerfolgSubmenu("en", $uidString, $semArray, $studiensemester_kurzbz, true),
+
+			[
+				"id" => "submenu_studstatus",
+				"type" => "submenu",
+				"name" => "Verwaltung des StudierendenStatus",
+				"order" => 110,
+				"data" => [
+					buildDropdownEntryPrintArray("Abmeldung", "Abmeldung", "xml=AntragAbmeldung.xml.php&xsl=AntragAbmeldung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Abmeldung durch Stgl", "AntragAbmeldungStgl", "xml=AntragAbmeldungStgl.xml.php&xsl=AntragAbmeldungStgl&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Unterbrechung", "Unterbrechung", "xml=AntragUnterbrechung.xml.php&xsl=AntragUnterbrechung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+					buildDropdownEntryPrintArray("Wiederholung", "Abmeldung durch Ablauf der Wiederholungsfrist", "xml=AntragWiederholung.xml.php&xsl=AntragWiederholung&prestudent_id=$prestudentIdsString&output=pdf", $uidString, null, null),
+				]
+			],
+
+			buildDropdownEntryPrintArray("diplomasupp", "Diploma Supplement (nur Voransicht)", "xml=diplomasupplement.xml.php&xsl_stg_kz=$studiengang_kz&xsl=DiplSupplement&output=pdf", $uidString, 35, null),
+			buildDropdownEntryPrintArray("zeugnis", "Zeugnis", "xml=zeugnis.rdf.php&xsl=Zeugnis&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uidString, 121, null),
+			buildDropdownEntryPrintArray("zeugnis_en", "Zeugnis Englisch", "xml=zeugnis.rdf.php&xsl=ZeugnisEng&output=pdf&xsl_stg_kz=$studiengang_kz&ss=$studiensemester_kurzbz", $uidString, 122, null),
+		];
+
+		Events::trigger('DocumentGenerationDropDownMulti',
+			// passing $menu per reference
+			function & () use (&$documents) {
+				return $documents;
+			},
+			$studentUids,
+			$studiensemester_kurzbz,
+			$studiengang_kz
+		);
+
+		$extraEntries = $this->loadDropDownEntriesBakkOrDipl($stgTyp, $uidString);
+
+		$documents = array_merge($documents, $extraEntries);
+
+		usort($documents, function ($a, $b) {
+			$orderA = isset($a['order']) ? (int)$a['order'] : PHP_INT_MAX;
+			$orderB = isset($b['order']) ? (int)$b['order'] : PHP_INT_MAX;
+			return $orderA <=> $orderB;
+		});
+
+
+		$this->terminateWithSuccess($documents);
+
+		return $documents || null;
+	}
+
+	private function _loadUIDFromPrestudent($prestudent_id)
+	{
+		if(!$prestudent_id){
+			return $this->terminateWithError("no prestudent ID received.");
+		}
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['prestudent_id' => $prestudent_id]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$student = current($data);
+
+		return $student->student_uid;
+	}
+
+	private function _loadPrestudentFromUid($studentUid)
+	{
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['student_uid' => $studentUid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$student = current($data);
+
+
+		return $student->prestudent_id;
+	}
+
+	/**
+	 * is building an array with studiensemesterkurzb
+	 * actual studiensemester plus the 5 studiensemester in the past
+
+	 * @return Array Studiensemester_kurzbz
+	 */
+	private function _getEntriesStudiensemester(){
+		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->StudiensemesterModel->addPlusMinus(1, 5);
+		$this->StudiensemesterModel->addOrder('ende', 'DESC');
+		$result = $this->StudiensemesterModel->load();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		foreach($data as $sem)
+		{
+			$semArray[] = $sem->studiensemester_kurzbz;
+		}
+
+		array_shift($semArray);
+
+		return $semArray;
+	}
+	/**
+	 * is returning the typ of Studiengang (Bakk oder Master)
+
+	 * @return character  eg. 'b' or 'm'
+	 */
+	private function _getStudiengangstyp($studiengang_kz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+
+		$result = $this->StudiengangModel->loadWhere(
+			array('studiengang_kz' => $studiengang_kz)
+		);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$typStudiengang = current($data)->typ;
+
+		return $typStudiengang;
+	}
+
+	/**
+	 * helper function to create ArrayStructure
+	 * actual studiensemester plus the 5 studiensemester in the past
+
+	 * @return Array Studiensemester_kurzbz
+	 */
+	private function buildStudienerfolgSubmenu($lang, $uid, $semArray, $studiensemester_kurzbz, $fa = false)
+	{
+		$entries = [];
+
+		$xsl = $lang === "de" ? "Studienerfolg" : "StudienerfolgEng";
+		$idPrefix = "submenu_studienerfolg_" . $lang . ($fa ? "_fa" : "");
+
+		$entries[] = buildDropdownEntryPrintArray(
+			$idPrefix . "_aktuell",
+			"ausgewähltes Semester",
+			"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$studiensemester_kurzbz" . ($fa ? "&typ=finanzamt" : ""),
+			$uid
+		);
+
+		//all semester
+		$entries[] = buildDropdownEntryPrintArray(
+			$idPrefix . "_all",
+			"alle Semester",
+			"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$studiensemester_kurzbz&all=true" . ($fa ? "&typ=finanzamt" : ""),
+			$uid
+		);
+
+		//sem from array
+		foreach ($semArray as $i => $sem) {
+			$entries[] = buildDropdownEntryPrintArray(
+				$idPrefix . ($i === 0 ? "_akt" : "_minus" . $i),
+				$sem,
+				"xml=studienerfolg.rdf.php&xsl=$xsl&ss=$sem" . ($fa ? "&typ=finanzamt" : ""),
+				$uid
+			);
+
+		}
+		$order = 0;
+		if ($lang === "de" && !$fa) $order = 75; // Studienerfolg
+		if ($lang === "en" && !$fa) $order = 76; // Studienerfolg Englisch
+		if ($lang === "de" &&  $fa) $order = 77; // Studienerfolg Finanzamt
+		if ($lang === "en" &&  $fa) $order = 78; // Studienerfolg Finanzamt Englisch
+
+		return [
+			"id"   => $idPrefix,
+			"type" => "submenu",
+			"name" => "Studienerfolg " . ($fa ? " Finanzamt" : "") . ($lang === "de" ? "" : "Englisch") ,
+			"order" => $order,
+			"data" => $entries,
+		];
+	}
+
+	private function loadDropDownEntriesFinalExam($hasPermissionOutputformat, $stgTyp, $uid)
+	{
+		if ($stgTyp == 'b')
+			$postfix = 'Bakk';
+		else if ($stgTyp == 'm' || $stgTyp == 'd')
+			$postfix = 'Master';
+		else
+			return [];
+
+		$arrayFinalExam = [
+			'pruefungsprotokoll' => [
+				'de' => [
+					'Bakk' => 'PrProtBA',
+					'Master' => 'PrProtMA',
+				],
+				'en' => [
+					'Bakk' => 'PrProtBAEng',
+					'Master' => 'PrProtMAEng',
+				],
+			],
+			'pruefungszeugnis' => [
+				'de' => [
+					'Bakk' => 'Bakkzeugnis',
+					'Master' => 'Diplomzeugnis',
+				],
+				'en' => [
+					'Bakk' => 'BakkzeugnisEng',
+					'Master' => 'DiplomzeugnisEng',
+				],
+			],
+			'urkunde' => [
+				'de' => [
+					'Bakk' => 'Bakkurkunde',
+					'Master' => 'Diplomurkunde',
+				],
+				'en' => [
+					'Bakk' => 'BakkurkundeEng',
+					'Master' => 'DiplomurkundeEng',
+				],
+			],
+		];
+
+		$langLabels = [
+			"de" => "Deutsch",
+			"en" => "Englisch"
+		];
+
+		$docLabels = [
+			"pruefungsprotokoll" => "Prüfungsprotokoll",
+			"pruefungszeugnis" => "Zeugnis",
+			"urkunde" => "Urkunde"
+		];
+
+		$submenuData = [];
+		if ($hasPermissionOutputformat) {
+			foreach ($arrayFinalExam as $docType => $langs) {
+				foreach ($langs as $lang => $types) {
+					$xsl = $types[$postfix];
+					$idPrefix = $docType . "_" . $lang;
+
+					$baseName = $docLabels[$docType] . " " . $langLabels[$lang];
+					$baseUrl = "xml=abschlusspruefung.rdf.php&xsl={$xsl}";
+
+					//3 outputformates
+					foreach (["pdf", "odt", "docx"] as $format) {
+						$submenuData[] = buildDropdownEntryPrintArray(
+							$idPrefix . "_" . $format,
+							$baseName . " (" . strtoupper($format) . ")",
+							$baseUrl . "&output=" . $format,
+							$uid
+						);
+					}
+				}
+			}
+		}
+		else
+		{
+			foreach ($arrayFinalExam as $docType => $langs) {
+				foreach ($langs as $lang => $types) {
+					$xsl = $types[$postfix]; // Auswahl Bakk/Master für jeweilige Sprache
+					$id = $docType . "_" . $lang;
+
+					$name = $docLabels[$docType] . " " . $langLabels[$lang];
+
+					$url = "xml=abschlusspruefung.rdf.php&xsl=" . $xsl . "&output=pdf";
+
+					$submenuData[] = buildDropdownEntryPrintArray($id, $name, $url, $uid);
+				}
+			}
+		}
+		return [
+			"id" => "submenu_finalexam",
+			"type" => "submenu",
+			"name" => "Abschlussprüfung",
+			"data" => $submenuData,
+			"order" => null,
+			"order" => 80,
+		];
+	}
+
+	private function loadDropDownEntriesBakkOrDipl($stgTyp, $uid)
+	{
+		$entries = [];
+
+		if ($stgTyp == 'b')
+		{
+			$entries[] = buildDropdownEntryPrintArray("bakkurkunde", "Bakkurkunde", "xml=abschlusspruefung.rdf.php&xsl=Bakkurkunde&output=pdf", $uid, 22, null);
+			$entries[] = buildDropdownEntryPrintArray("bakkurkundeEng", "Bakkurkunde Englisch", "xml=abschlusspruefung.rdf.php&xsl=BakkurkundeEng&output=pdf", $uid, 23, null);
+		}
+
+		if ($stgTyp == 'm' || $stgTyp == 'd')
+		{
+			$entries[] = buildDropdownEntryPrintArray("diplomurkunde", "Diplomurkunde", "xml=abschlusspruefung.rdf.php&xsl=Diplomurkunde&output=pdf", $uid, 27, null);
+			$entries[] = buildDropdownEntryPrintArray("diplomurkundeEng", "Diplomurkunde Englisch", "xml=abschlusspruefung.rdf.php&xsl=DiplomurkundeEng&output=pdf", $uid, 28, null);
+		}
+
+		return $entries;
+	}
+
 }
@@ -9,6 +9,8 @@ class Gruppen extends FHCAPI_Controller
 	public function __construct()
 	{
 		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'search' => ['admin:r', 'assistenz:r'],
 			'getGruppen' => ['admin:r', 'assistenz:r'],
 			'deleteGruppe' => ['admin:rw', 'assistenz:rw'],
 		]);
@@ -18,7 +20,9 @@ class Gruppen extends FHCAPI_Controller

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

 		// Load models
@@ -26,15 +30,140 @@ class Gruppen extends FHCAPI_Controller
 		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
 	}

+	public function add()
+	{
+		$this->load->library("form_validation");
+
+		$this->form_validation->set_rules(
+			'gruppe_kurzbz',
+			$this->p->t('gruppenmanagement', 'gruppe'),
+			'required|is_in_db[organisation/Gruppe_model]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+		$this->form_validation->set_rules(
+			'uid',
+			$this->p->t('ui', 'student_uid'),
+			'required|is_in_db[crm/Student_model:student_uid]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+		$this->form_validation->set_rules(
+			'studiensemester_kurzbz',
+			$this->p->t('lehre', 'studiensemester'),
+			'required|is_in_db[organisation/Studiensemester_model]',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired'),
+				'is_in_db' => $this->p->t('ui', 'error_fieldNotFound')
+			]
+		);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$gruppe_kurzbz = $this->input->post('gruppe_kurzbz');
+		$uid = $this->input->post('uid');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+
+		$result = $this->BenutzergruppeModel->load([
+			$gruppe_kurzbz,
+			$uid
+		]);
+		$benutzergruppe = $this->getDataOrTerminateWithError($result);
+
+		if ($benutzergruppe) {
+			$this->terminateWithError(
+				$this->p->t('gruppenmanagement', 'error_alreadyInGroup', [
+					'uid' => $uid,
+					'studiensemester_kurzbz' => current($benutzergruppe)->studiensemester_kurzbz
+				]),
+				self::ERROR_TYPE_GENERAL
+			);
+		}
+
+		$result = $this->BenutzergruppeModel->insert([
+			'uid' => $uid,
+			'gruppe_kurzbz' => $gruppe_kurzbz,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'insertamum' => date('c'),
+			'insertvon' => getAuthUID()
+		]);
+
+		$this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess();
+	}
+
+	public function search()
+	{
+		$query = $this->input->post('query');
+		if (!$query)
+			$this->terminateWithSuccess([]);
+
+		// add query to where clause
+		$query = strtoupper($query);
+		$query = $this->GruppeModel->db->escape_like_str($query);
+		$query = '%' . str_replace(' ', '%', $query) . '%';
+
+		$this->GruppeModel->db->group_start();
+		$this->GruppeModel->db->or_like('UPPER(gruppe_kurzbz)', $query, 'none', false);
+		$this->GruppeModel->db->or_like('UPPER(bezeichnung)', $query, 'none', false);
+		$this->GruppeModel->db->or_like('UPPER(beschreibung)', $query, 'none', false);
+		$this->GruppeModel->db->group_end();
+		
+		// add stg sorting 1
+		$studiengang_kz = $this->input->post('studiengang_kz');
+		$sort_stg = $studiengang_kz ? "WHEN studiengang_kz = " . $this->GruppeModel->escape($studiengang_kz) . " THEN 0" : "";
+
+		// add stg sorting 2
+		$studiengang_kzs = [];
+		$result = $this->permissionlib->getSTG_isEntitledFor('admin');
+		if ($result)
+			$studiengang_kzs = array_merge($studiengang_kzs, $result);
+		$result = $this->permissionlib->getSTG_isEntitledFor('assistenz');
+		if ($result)
+			$studiengang_kzs = array_merge($studiengang_kzs, $result);
+
+		// selects
+		$this->GruppeModel->addSelect("*");
+		$this->GruppeModel->addSelect("CASE
+			" . $sort_stg . "
+			WHEN studiengang_kz IN (" . implode(",", $this->GruppeModel->db->escape($studiengang_kzs)) . ")
+			THEN 1
+			ELSE 2
+		END AS sort_stg");
+
+		// ordering
+		$this->GruppeModel->addOrder("sort_stg");
+		$this->GruppeModel->addOrder("sort");
+		$this->GruppeModel->addOrder("gruppe_kurzbz");
+
+		// default where clause & execute
+		$result = $this->GruppeModel->loadWhere([
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
 	public function getGruppen($student_uid)
 	{
-		$this->BenutzergruppeModel ->addSelect('gruppe_kurzbz');
-		$this->BenutzergruppeModel ->addSelect('bezeichnung');
-		$this->BenutzergruppeModel ->addSelect('generiert');
-		$this->BenutzergruppeModel ->addSelect('uid');
-		$this->BenutzergruppeModel ->addSelect('studiensemester_kurzbz');
-		$this->BenutzergruppeModel ->addJoin('public.tbl_gruppe', 'gruppe_kurzbz');
-		$this->BenutzergruppeModel-> addOrder('bezeichnung', 'ASC');
+		$this->BenutzergruppeModel->addSelect('gruppe_kurzbz');
+		$this->BenutzergruppeModel->addSelect('bezeichnung');
+		$this->BenutzergruppeModel->addSelect('generiert');
+		$this->BenutzergruppeModel->addSelect('uid');
+		$this->BenutzergruppeModel->addSelect('studiensemester_kurzbz');
+		$this->BenutzergruppeModel->addJoin('public.tbl_gruppe', 'gruppe_kurzbz');
+		$this->BenutzergruppeModel->addOrder('bezeichnung', 'ASC');

 		$result = $this->BenutzergruppeModel->loadWhere(
 			array(
@@ -49,29 +178,48 @@ class Gruppen extends FHCAPI_Controller

 	public function deleteGruppe()
 	{
-		$student_uid = $this->input->post('id');
+		$this->load->library("form_validation");
+
+		$this->form_validation->set_rules(
+			'uid',
+			$this->p->t('person', 'UID'),
+			'required',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired')
+			]
+		);
+
+		$this->form_validation->set_rules(
+			'gruppe_kurzbz',
+			$this->p->t('gruppenmanagement', 'gruppe'),
+			'required',
+			[
+				'required' => $this->p->t('ui', 'error_fieldRequired')
+			]
+		);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$uid = $this->input->post('uid');
 		$gruppe_kurzbz = $this->input->post('gruppe_kurzbz');

-		//Validate if automatic group generation
-		$result = $this->GruppeModel-> loadWhere(
-			array(
-				'gruppe_kurzbz' => $gruppe_kurzbz
-			)
-		);
+		// Validate if automatic group generation
+		$result = $this->GruppeModel->loadWhere([
+			'gruppe_kurzbz' => $gruppe_kurzbz
+		]);
 		$data = $this->getDataOrTerminateWithError($result);
 		$generation = current($data);

-		if($generation->generiert)
+		if ($generation->generiert)
 		{
 			$this->terminateWithError($this->p->t('gruppenmanagement', 'error_deleteGeneratedGroups'), self::ERROR_TYPE_GENERAL);
 		}

-		$result = $this->BenutzergruppeModel->delete(
-			array(
-				'gruppe_kurzbz' => $gruppe_kurzbz,
-				'uid' => $student_uid
-				)
-		);
+		$result = $this->BenutzergruppeModel->delete([
+			'gruppe_kurzbz' => $gruppe_kurzbz,
+			'uid' => $uid
+		]);

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

@@ -52,6 +52,7 @@ class Kontakt extends FHCAPI_Controller
 		// Extra Permissionchecks
 		$permsMa = [];
 		$permsStud = [];
+		$permsDefault = null;
 		switch ($this->router->method) {
 			case 'getBankverbindung':
 			case 'loadBankverbindung':
@@ -68,7 +69,7 @@ class Kontakt extends FHCAPI_Controller
 			case 'getKontakte':
 			case 'loadAddress':
 			case 'loadContact':
-				$permsMa = $permsStud = ['admin:r', 'assistenz:r'];
+				$permsMa = $permsStud = $permsDefault = ['admin:r', 'assistenz:r'];
 				break;
 			case 'addNewAddress':
 			case 'addNewContact':
@@ -76,7 +77,7 @@ class Kontakt extends FHCAPI_Controller
 			case 'updateContact':
 			case 'deleteAddress':
 			case 'deleteContact':
-				$permsMa = $permsStud = ['admin:rw', 'assistenz:rw'];
+				$permsMa = $permsStud = $permsDefault = ['admin:rw', 'assistenz:rw'];
 				break;
 		}
 		if ($this->router->method == 'getAdressen'
@@ -91,7 +92,7 @@ class Kontakt extends FHCAPI_Controller
 			if (is_null($person_id) || !ctype_digit((string)$person_id))
 				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);

-			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud);
+			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud, $permsDefault);
 		} elseif ($this->router->method == 'loadAddress'
 			|| $this->router->method == 'loadContact'
 			|| $this->router->method == 'loadBankverbindung'
@@ -135,7 +136,7 @@ class Kontakt extends FHCAPI_Controller

 			$person_id = current($data)->person_id;
 			
-			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud);
+			$this->checkPermissionsForPerson($person_id, $permsMa, $permsStud, $permsDefault);
 		}
 	}
 	public function getAdressen($person_id)
@@ -0,0 +1,63 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+
+class Lehrverband extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'hasOrgforms' => ['admin:r', 'assistenz:r'],
+			'getTree' => ['admin:r', 'assistenz:r'],
+			'getSpecialgroups' => ['admin:r', 'assistenz:r']
+		]);
+	}
+
+	public function hasOrgforms($studiengang_kz)
+	{
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+		
+		$result = $this->StudiengangModel->load($studiengang_kz);
+		
+		$data = $this->getDataOrTerminateWithError($result);
+		if ($data) {
+			$data = current($data)->mischform;
+		}
+		
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getTree($studiengang_kz)
+	{
+		$this->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+
+		$result = $this->LehrverbandModel->loadWhere([
+			'studiengang_kz' => $studiengang_kz,
+			'aktiv' => true
+		]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getSpecialgroups($studiengang_kz)
+	{
+		$this->load->model('organisation/Gruppe_model', 'GruppeModel');
+
+		$where = [
+			'studiengang_kz' => $studiengang_kz,
+			'lehre' => true,
+			'sichtbar' => true,
+			'aktiv' => true,
+			'direktinskription' => false
+		];
+
+		$result = $this->GruppeModel->loadWhere($where);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+}
@@ -0,0 +1,368 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+
+class Projektarbeit extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getProjektarbeit' => ['admin:r', 'assistenz:r'],
+			'loadProjektarbeit' => ['admin:r', 'assistenz:r'],
+			'insertProjektarbeit' => ['admin:rw', 'assistenz:rw'],
+			'updateProjektarbeit' => ['admin:rw', 'assistenz:rw'],
+			'deleteProjektarbeit' => ['admin:rw', 'assistenz:rw'],
+			'getTypenProjektarbeit' => ['admin:r', 'assistenz:r'],
+			'getFirmen' => ['admin:r', 'assistenz:r'],
+			'getLehrveranstaltungen' => ['admin:r', 'assistenz:r'],
+			'getNoten' => ['admin:r', 'assistenz:r']
+		]);
+
+		// Load Libraries
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'person',
+			'projektarbeit'
+		]);
+
+		// Load models
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+		$this->load->model('education/Projekttyp_model', 'ProjekttypModel');
+		$this->load->model('education/Paabgabe_model', 'PaabgabeModel');
+		$this->load->model('ressource/Firma_model', 'FirmaModel');
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->load->model('education/Note_model', 'NoteModel');
+		$this->load->model('education/Projektbetreuer_model', 'BetreuerModel');
+
+		// load libraries
+		$this->load->library('PermissionLib');
+	}
+
+	public function getProjektarbeit()
+	{
+		$student_uid = $this->input->get('uid');
+
+		if (!isset($student_uid)) $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->ProjektarbeitModel->getProjektarbeit($student_uid);
+
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!hasData($result)) $this->terminateWithSuccess([]);
+
+		$projektarbeiten = getData($result);
+
+		foreach ($projektarbeiten as $projektarbeit)
+		{
+			$projektarbeit_id = $projektarbeit->projektarbeit_id;
+			$abgabeRes = $this->PaabgabeModel->getEndabgabe($projektarbeit_id);
+
+			if (isError($abgabeRes)) $this->terminateWithError(getError($abgabeRes), self::ERROR_TYPE_GENERAL);
+
+			if (hasData($abgabeRes))
+			{
+				$paabgabe = getData($abgabeRes)[0];
+				$projektarbeit->abgabedatum = $paabgabe->abgabedatum;
+			}
+		}
+
+		$this->terminateWithSuccess($projektarbeiten);
+	}
+
+	public function loadProjektarbeit()
+	{
+		$projektarbeit_id = $this->input->get('projektarbeit_id');
+
+		if (!isset($projektarbeit_id) || !is_numeric($projektarbeit_id)) return $this->terminateWithError('Projektarbeit Id missing', self::ERROR_TYPE_GENERAL);
+
+		$this->ProjektarbeitModel->addSelect(
+			'lehre.tbl_projektarbeit.projektarbeit_id, titel, titel_english, themenbereich, projekttyp_kurzbz, lehrveranstaltung_id, lehreinheit_id, 
+			firma_id, beginn, ende, gesperrtbis, note, final, freigegeben, tbl_projektarbeit.anmerkung, fa.name AS firma_name'
+		);
+		$this->ProjektarbeitModel->addJoin('lehre.tbl_lehreinheit le', 'lehreinheit_id');
+		$this->ProjektarbeitModel->addJoin('lehre.tbl_lehrveranstaltung lv', 'lehrveranstaltung_id');
+		$this->ProjektarbeitModel->addJoin('public.tbl_firma fa', 'firma_id', 'LEFT');
+		$result = $this->ProjektarbeitModel->loadWhere(
+			array('projektarbeit_id' => $projektarbeit_id)
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess(current($data));
+	}
+
+	public function insertProjektarbeit()
+	{
+		$student_uid = $this->input->post('uid');
+
+		if (!$student_uid) return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Student UID']), self::ERROR_TYPE_GENERAL);
+
+		if (!$this->_hasBerechtigungForStudent($student_uid))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+
+		$formData = $this->input->post('formData');
+
+		if ($this->_validate($formData) == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$projektarbeit = $this->_getProjektarbeitArr($formData);
+
+		$result = $this->ProjektarbeitModel->insert(
+			array_merge($projektarbeit, ['insertamum' => date('c'), 'insertvon' => getAuthUID(), 'student_uid' => $student_uid])
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function updateProjektarbeit()
+	{
+		$projektarbeit_id = $this->input->post('projektarbeit_id');
+
+		if (!$projektarbeit_id || !is_numeric($projektarbeit_id))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Projektarbeit ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!$this->ProjektarbeitModel->hasBerechtigungForProjektarbeit($projektarbeit_id))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+
+		$formData = $this->input->post('formData');
+
+		if ($this->_validate($formData) == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$projektarbeit = $this->_getProjektarbeitArr($formData);
+
+		$result = $this->ProjektarbeitModel->update(
+			$projektarbeit_id,
+			array_merge($projektarbeit, ['updateamum' => date('c'), 'updatevon' => getAuthUID()])
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function deleteProjektarbeit()
+	{
+		$projektarbeit_id = $this->input->post('projektarbeit_id');
+
+		if (!isset($projektarbeit_id) || !is_numeric($projektarbeit_id))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Projektarbeit ID'], self::ERROR_TYPE_GENERAL));
+
+		if (!$this->ProjektarbeitModel->hasBerechtigungForProjektarbeit($projektarbeit_id))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+
+		$validate = $this->_validateDelete($projektarbeit_id);
+
+		if (isError($validate)) return $this->terminateWithError(getError($validate), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->ProjektarbeitModel->delete(
+			['projektarbeit_id' => $projektarbeit_id]
+		);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		if (!hasData($result))
+		{
+			$this->outputJson($result);
+		}
+
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function getTypenProjektarbeit()
+	{
+		$result = $this->ProjekttypModel->loadWhere(['aktiv' => true]);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function getFirmen()
+	{
+		$searchString = $this->input->get('searchString');
+
+		if (!isset($searchString))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldRequired', ['field' => 'Search term']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->FirmaModel->searchFirmen($searchString, $aktiv = true);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function getLehrveranstaltungen()
+	{
+		$student_uid = $this->input->get('student_uid');
+		$studiengang_kz = $this->input->get('studiengang_kz');
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+		$additional_lehrveranstaltung_id = $this->input->get('additional_lehrveranstaltung_id');
+
+		if (!isset($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);
+
+		$lvsResult = $this->LehrveranstaltungModel->getLvsForProjektarbeit($student_uid, $studiengang_kz, $additional_lehrveranstaltung_id);
+
+		if (isError($lvsResult)) return $this->terminateWithError($lvsResult, self::ERROR_TYPE_GENERAL);
+
+		$lvs = hasData($lvsResult) ? getData($lvsResult) : [];
+
+		foreach ($lvs as $lv)
+		{
+			$lehreinheiten = $this->LehreinheitModel->getLesForLv(
+				$lv->lehrveranstaltung_id, $studiensemester_kurzbz
+			);
+
+			foreach ($lehreinheiten as $lehreinheit)
+			{
+				if (!isEmptyArray($lehreinheit->lektoren))
+				{
+					$this->MitarbeiterModel->addSelect('kurzbz');
+					$this->MitarbeiterModel->db->where_in('tbl_mitarbeiter.mitarbeiter_uid', $lehreinheit->lektoren);
+					$maResult = $this->MitarbeiterModel->load();
+
+					if (isError($maResult)) return $this->terminateWithError($lvsResult, self::ERROR_TYPE_GENERAL);
+
+					$lehreinheit->lektoren = array_column(getData($maResult), 'kurzbz');
+				}
+			}
+
+			$lv->lehreinheiten = $lehreinheiten;
+		}
+
+		return $this->terminateWithSuccess($lvs);
+	}
+
+	public function getNoten()
+	{
+		$result = $this->NoteModel->load();
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	private function _validate($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'])
+		]);
+
+		$this->form_validation->set_rules('lehreinheit_id', 'Lehreinheit', 'required|is_natural', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Lehreinheit']),
+			'is_natural' =>  $this->p->t('ui', 'error_fieldNotNumeric', ['field' => 'Lehreinheit'])
+		]);
+
+		$this->form_validation->set_rules('beginn', 'Beginn', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Beginn'])
+		]);
+
+		$this->form_validation->set_rules('ende', 'Ende', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Ende'])
+		]);
+
+		$this->form_validation->set_rules('gesperrtbis', 'Ende', 'is_valid_date', [
+			'is_valid_date' => $this->p->t('ui', 'error_notValidDate', ['field' => 'Gesperrt bis'])
+		]);
+
+		return $this->form_validation->run();
+	}
+
+	/**
+	 * 
+	 * @param
+	 * @return object success or error
+	 */
+	private function _getProjektarbeitArr($formData)
+	{
+		return [
+			'titel' => $formData['titel'],
+			'titel_english' => $formData['titel_english'] ?? null,
+			'themenbereich' => $formData['themenbereich'] ?? null,
+			'projekttyp_kurzbz' => $formData['projekttyp_kurzbz'],
+			'firma_id' => $formData['firma_id'] ?? null,
+			'lehreinheit_id' => $formData['lehreinheit_id'],
+			'beginn' => isset($formData['beginn']) && !isEmptyString($formData['beginn']) ? $formData['beginn'] : null,
+			'ende' => isset($formData['ende']) && !isEmptyString($formData['ende']) ? $formData['ende'] : null,
+			'note' => $formData['note'] ?? null,
+			'final' => $formData['final'] ?? null,
+			'freigegeben' => $formData['freigegeben'] ?? null,
+			'anmerkung' => $formData['anmerkung'] ?? null,
+			'gesperrtbis' => isset($formData['gesperrtbis']) && !isEmptyString($formData['gesperrtbis']) ? $formData['gesperrtbis'] : null
+		];
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	private function _validateDelete($projektarbeit_id)
+	{
+		$this->BetreuerModel->addSelect('1');
+		$result = $this->BetreuerModel->loadWhere(['projektarbeit_id' => $projektarbeit_id]);
+
+		if (isError($result)) return $result;
+
+		if (hasData($result)) return error($this->p->t('projektarbeit', 'error_betreuerNichtGeloescht'));
+
+		$this->PaabgabeModel->addSelect('1');
+		$result = $this->PaabgabeModel->loadWhere(['projektarbeit_id' => $projektarbeit_id]);
+
+		if (isError($result)) return $result;
+
+		if (hasData($result)) return error($this->p->t('projektarbeit', 'error_paabgabeNichtGeloescht'));
+
+		return success();
+	}
+
+	private function _hasBerechtigungForStudent($student_uid)
+	{
+		if (!$student_uid)
+			return false;
+
+		$this->load->model('crm/Student_model', 'StudentModel');
+
+		$this->StudentModel->addSelect('studiengang_kz');
+		$result = $this->StudentModel->load([$student_uid]);
+		if (isError($result) || !hasData($result))
+			return false;
+
+		$studiengang_kz = getData($result)[0]->studiengang_kz;
+
+		if ($this->permissionlib->isBerechtigt('admin', 'suid', $studiengang_kz))
+			return true;
+		if ($this->permissionlib->isBerechtigt('assistenz', 'suid', $studiengang_kz))
+			return true;
+
+		return false;
+	}
+}
@@ -0,0 +1,341 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+use \DateTime as DateTime;
+use CI3_Events as Events;
+
+class Projektbetreuer extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getProjektbetreuer' => ['admin:r', 'assistenz:r'],
+			'saveProjektbetreuer' => ['admin:rw', 'assistenz:rw'],
+			'deleteProjektbetreuer' => ['admin:rw', 'assistenz:rw'],
+			'getBetreuerarten' => ['admin:r', 'assistenz:r'],
+			'getNoten' => ['admin:r', 'assistenz:r'],
+			'getDefaultStundensaetze' => ['admin:r', 'assistenz:r'],
+			'getProjektbetreuerBySearchQuery' => ['admin:r', 'assistenz:r'],
+			'getPerson' => ['admin:r', 'assistenz:r'],
+			'validateProjektbetreuer' => ['admin:r', 'assistenz:r']
+		]);
+
+		// Load Libraries
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'person',
+			'projektarbeit'
+		]);
+
+		// Load models
+		$this->load->model('education/Projektbetreuer_model', 'ProjektbetreuerModel');
+		$this->load->model('education/Betreuerart_model', 'BetreuerartModel');
+		$this->load->model('ressource/Stundensatz_model', 'StundensatzModel');
+		$this->load->model('education/Projektarbeit_model', 'ProjektarbeitModel');
+		$this->load->model('education/Note_model', 'NoteModel');
+		$this->load->model('person/Person_model', 'PersonModel');
+
+		// load libraries
+		$this->load->library('PermissionLib');
+	}
+
+	public function getProjektbetreuer()
+	{
+		$projektarbeit_id = $this->input->get('projektarbeit_id');
+
+		if (!isset($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' => $projektarbeit_id]);
+
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		if (!hasData($result)) $this->terminateWithSuccess([]);
+
+		$projektbetreuer = getData($result);
+
+		//~ foreach ($projektbetreuer as $projektarbeit)
+		//~ {
+			//~ $projektarbeit_id = $projektarbeit->projektarbeit_id;
+			//~ $abgabeRes = $this->PaabgabeModel->getEndabgabe($projektarbeit_id);
+
+			//~ if (isError($abgabeRes)) $this->terminateWithError(getError($abgabeRes), self::ERROR_TYPE_GENERAL);
+
+			//~ if (hasData($abgabeRes))
+			//~ {
+				//~ $paabgabe = getData($abgabeRes)[0];
+				//~ $projektarbeit->abgabedatum = $paabgabe->abgabedatum;
+			//~ }
+		//~ }
+
+		foreach ($projektbetreuer as $pb)
+		{
+			$downloadLink = null;
+			Events::trigger(
+				'projektbeurteilung_download_link',
+				$pb->projektarbeit_id,
+				$pb->betreuerart_kurzbz,
+				$pb->person_id,
+				function ($value) use (&$downloadLink) {
+					$downloadLink = $value;
+				}
+			);
+			$pb->beurteilungDownloadLink = $downloadLink;
+		}
+
+		$this->terminateWithSuccess($this->_addFullNameToBetreuer($projektbetreuer));
+	}
+
+	public function saveProjektbetreuer()
+	{
+		$projektarbeit_id = $this->input->post('projektarbeit_id');
+
+		if (!isset($projektarbeit_id) || !is_numeric($projektarbeit_id))
+			return $this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Projektarbeit ID']), self::ERROR_TYPE_GENERAL);
+
+		if (!$this->ProjektarbeitModel->hasBerechtigungForProjektarbeit($projektarbeit_id))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+
+		$projektbetreuer = $this->input->post('projektbetreuer');
+
+		if ($this->_validate($projektbetreuer) == false) $this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		$result = null;
+
+		$betreuer = [
+			'projektarbeit_id' => $projektarbeit_id,
+			'person_id' => $projektbetreuer['person_id'],
+			'note' => $projektbetreuer['note'],
+			'stunden' => $projektbetreuer['stunden'],
+			'stundensatz' => $projektbetreuer['stundensatz'],
+			'betreuerart_kurzbz' => $projektbetreuer['betreuerart_kurzbz']
+		];
+
+		if (isset($projektbetreuer['person_id_old']) && isset($projektbetreuer['betreuerart_kurzbz_old']))
+		{
+			$result = $this->ProjektbetreuerModel->update(
+				[
+					'projektarbeit_id' => $projektarbeit_id,
+					'person_id' => $projektbetreuer['person_id_old'],
+					'betreuerart_kurzbz' => $projektbetreuer['betreuerart_kurzbz_old']
+				],
+				array_merge($betreuer, ['updateamum' => date('c'), 'updatevon' => getAuthUID()])
+			);
+		}
+		else
+		{
+			$result = $this->ProjektbetreuerModel->insert(
+				array_merge($betreuer, ['insertamum' => date('c'), 'insertvon' => getAuthUID()])
+			);
+		}
+
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function deleteProjektbetreuer()
+	{
+		$projektarbeit_id = $this->input->post('projektarbeit_id');
+		$person_id = $this->input->post('person_id');
+		$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'=> $this->p->t('projektarbeit', 'projektarbeit').' ID'], self::ERROR_TYPE_GENERAL));
+
+		if (!isset($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'=> $this->p->t('projektarbeit', 'betreuerart')], self::ERROR_TYPE_GENERAL));
+
+		if (!$this->ProjektarbeitModel->hasBerechtigungForProjektarbeit($projektarbeit_id))
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'assistenz:rw']]);
+
+		$validate = $this->_validateDelete($projektarbeit_id, $person_id);
+
+		if (isError($validate)) return $this->terminateWithError(getError($validate), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->ProjektbetreuerModel->delete(
+			['projektarbeit_id' => $projektarbeit_id, 'person_id' => $person_id, 'betreuerart_kurzbz' => $betreuerart_kurzbz]
+		);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		if (!hasData($result))
+		{
+			$this->outputJson($result);
+		}
+
+		return $this->terminateWithSuccess(current(getData($result)) ? : null);
+	}
+
+	public function getBetreuerarten()
+	{
+		$result = $this->BetreuerartModel->loadWhere(['aktiv' => true]);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function getNoten()
+	{
+		$result = $this->NoteModel->load();
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? getData($result) : []);
+	}
+
+	public function getDefaultStundensaetze()
+	{
+		$person_id = $this->input->get('person_id');
+		$studiensemester_kurzbz = $this->input->get('studiensemester_kurzbz');
+
+		$result = $this->StundensatzModel->getStundensatzForMitarbeiter($person_id, $studiensemester_kurzbz);
+
+		return $this->terminateWithSuccess($result);
+	}
+
+	public function getProjektbetreuerBySearchQuery()
+	{
+		$searchString = $this->input->get('searchString');
+
+		if (!isset($searchString))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldRequired', ['field' => 'Search term']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->PersonModel->searchPerson($searchString);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? $this->_addFullNameToBetreuer(getData($result)) : []);
+	}
+
+	public function getPerson()
+	{
+		$person_id = $this->input->get('person_id');
+
+		if (!isset($person_id))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldRequired', ['field' => 'Person']), self::ERROR_TYPE_GENERAL);
+
+		$this->PersonModel->addSelect("CASE
+				WHEN EXISTS
+					(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_mitarbeiter ON(uid=mitarbeiter_uid) WHERE person_id=tbl_person.person_id)
+				THEN 'Mitarbeiter'
+				WHEN EXISTS
+					(SELECT 1 FROM public.tbl_benutzer JOIN public.tbl_student ON(uid=student_uid) WHERE person_id=tbl_person.person_id)
+				THEN 'Student'
+				ELSE 'Person'
+			END AS status");
+		$result = $this->PersonModel->addSelect('titelpre, titelpost, vorname, nachname, person_id');
+		$result = $this->PersonModel->load($person_id);
+
+		if (isError($result)) return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		return $this->terminateWithSuccess(hasData($result) ? $this->_addFullNameToBetreuer(getData($result))[0] : []);
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	public function validateProjektbetreuer()
+	{
+		$projektbetreuerArr = $this->input->post('projektbetreuer');
+
+		if (!is_array($projektbetreuerArr)) $projektbetreuerArr = [$projektbetreuerArr];
+
+		foreach ($projektbetreuerArr as $pb)
+		{
+			if ($this->_validate($pb) == false)
+			{
+				$this->terminateWithValidationErrors($this->form_validation->error_array());
+			}
+		}
+
+		$this->terminateWithSuccess([]);
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	private function _validate($formData)
+	{
+		$this->form_validation->set_data($formData);
+
+		$this->form_validation->set_rules('betreuerart_kurzbz', 'Betreuerart', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('projektarbeit', 'betreuerart')])
+		]);
+
+		$this->form_validation->set_rules('person_id', 'Person', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('projektarbeit', 'betreuer')])
+		]);
+
+		$this->form_validation->set_rules('stunden', 'Stunden', 'numeric', [
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' => $this->p->t('projektarbeit', 'stunden')])
+		]);
+
+		$this->form_validation->set_rules('stundensatz', 'Stundensatz', 'numeric', [
+			'numeric' => $this->p->t('ui', 'error_fieldNotNumeric', ['field' =>  $this->p->t('projektarbeit', 'stundensatz')])
+		]);
+
+
+		return $this->form_validation->run();
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	private function _validateDelete($projektarbeit_id, $person_id)
+	{
+		$this->ProjektbetreuerModel->addSelect('vertrag_id');
+		$result = $this->ProjektbetreuerModel->loadWhere(['projektarbeit_id' => $projektarbeit_id, 'person_id' => $person_id]);
+
+		if (isError($result)) return $result;
+
+		if (hasData($result) && getData($result)[0]->vertrag_id != null) return error($this->p->t('projektarbeit', 'error_betreuerHatVertrag'));
+
+		return success();
+	}
+
+	/**
+	 *
+	 * @param
+	 * @return object success or error
+	 */
+	private function _addFullNameToBetreuer($betreuerArr)
+	{
+		foreach ($betreuerArr as $betreuer)
+		{
+			$betreuer->name = ($betreuer->titelpre ? $betreuer->titelpre . ' ' : '') .
+				$betreuer->nachname . ' ' . $betreuer->vorname . ($betreuer->titelpost ? ' ' . $betreuer->titelpre : '').
+				' (' . $betreuer->status . ')';
+		}
+
+		return $betreuerArr;
+	}
+}
@@ -114,9 +114,8 @@ class Status extends FHCAPI_Controller
 		$this->load->model('codex/Bismeldestichtag_model', 'BismeldestichtagModel');

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

-		$this->terminateWithSuccess($data);
+		$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
 	}

 	public function isLastStatus($prestudent_id)
@@ -296,7 +295,7 @@ class Status extends FHCAPI_Controller
 			}],
 			//Check if Rolle already exists
 			['rolle_doesnt_exist', function () use ($prestudent_id, $status_kurzbz, $studiensemester_kurzbz, $ausbildungssemester) {
-				if (!$status_kurzbz || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->PrestudentstatusModel->load([$ausbildungssemester, $studiensemester_kurzbz, $status_kurzbz, $prestudent_id]);
@@ -903,7 +902,7 @@ class Status extends FHCAPI_Controller

 		$this->form_validation->set_rules('_default', '', [
 			['rolle_doesnt_exist', function () use ($prestudent_id, $status_kurzbz, $studiensemester_kurzbz, $ausbildungssemester) {
-				if (!$status_kurzbz || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->PrestudentstatusModel->load([$ausbildungssemester, $studiensemester_kurzbz, $status_kurzbz, $prestudent_id]);
@@ -920,7 +919,7 @@ class Status extends FHCAPI_Controller
 			) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
-				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->prestudentstatuschecklib->checkStatusHistoryTimesequence(
@@ -945,7 +944,7 @@ class Status extends FHCAPI_Controller
 			) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
-				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->prestudentstatuschecklib->checkStatusHistoryLaststatus(
@@ -970,7 +969,7 @@ class Status extends FHCAPI_Controller
 			) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
-				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->prestudentstatuschecklib->checkStatusHistoryUnterbrechersemester(
@@ -995,7 +994,7 @@ class Status extends FHCAPI_Controller
 			) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
-				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->prestudentstatuschecklib->checkStatusHistoryAbbrechersemester(
@@ -1020,7 +1019,7 @@ class Status extends FHCAPI_Controller
 			) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
-				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !$ausbildungssemester)
+				if (!$status_kurzbz || !$datum || !$studiensemester_kurzbz || !isset($ausbildungssemester) || $ausbildungssemester === '')
 					return true; // Error will be handled by the required statements above

 				$result = $this->prestudentstatuschecklib->checkStatusHistoryDiplomant(
@@ -36,6 +36,7 @@ class Student extends FHCAPI_Controller
 		parent::__construct([
 			'get' => ['admin:r', 'assistenz:r'],
 			'save' => ['admin:rw', 'assistenz:rw'],
+			'saveStudent' => ['admin:rw', 'assistenz:rw'],
 			'check' => ['admin:rw', 'assistenz:rw'],
 			'add' => ['admin:rw', 'assistenz:rw'] // TODO(chris): extra permissions
 		]);
@@ -55,7 +56,7 @@ class Student extends FHCAPI_Controller

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

@@ -111,16 +112,28 @@ class Student extends FHCAPI_Controller
 		if (defined('ACTIVE_ADDONS') && strpos(ACTIVE_ADDONS, 'bewerbung') !== false) {
 			$this->PrestudentModel->addSelect(
 				"(
-					SELECT kontakt 
-					FROM public.tbl_kontakt 
-					WHERE kontakttyp='email' 
-					AND person_id=p.person_id 
-					AND zustellung 
-					ORDER BY kontakt_id 
+					SELECT kontakt
+					FROM public.tbl_kontakt
+					WHERE kontakttyp='email'
+					AND person_id=p.person_id
+					AND zustellung
+					ORDER BY kontakt_id DESC
 					LIMIT 1
 				) AS email_privat",
 				false
 			);
+			$this->PrestudentModel->addSelect(
+				"(
+					SELECT kontakt
+					FROM public.tbl_kontakt
+					WHERE kontakttyp='email_unverifiziert'
+					AND person_id=p.person_id
+					AND zustellung
+					ORDER BY kontakt_id DESC
+					LIMIT 1
+				) AS email_privat_unverified",
+				false
+			);
 		}
 		$this->PrestudentModel->addSelect(
 			"(
@@ -424,6 +437,31 @@ class Student extends FHCAPI_Controller
 		), ''));
 	}

+	/**
+	 * Saves data to a prestudent using their student_uid
+	 *
+	 * @param string			$student_uid
+	 * @param string			$studiensemester_kurzbz
+	 * @return void
+	 */
+	public function saveStudent($student_uid, $studiensemester_kurzbz)
+	{
+		$this->load->model('crm/Student_model', 'StudentModel');
+
+		$result = $this->StudentModel->load([$student_uid]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		if (!$data)
+			show_404(); // No Student with that ID
+
+		$student = current($data);
+
+		$this->checkPermissionsForPrestudent($student->prestudent_id, ['admin:rw', 'assistenz:rw']);
+
+		return $this->save($student->prestudent_id, $studiensemester_kurzbz);
+	}
+
 	public function check()
 	{
 		$this->load->library('form_validation');
@@ -465,7 +503,6 @@ class Student extends FHCAPI_Controller
 		if (!$this->input->post('person_id')) {
 			if (!isset($_POST['address']) || !is_array($_POST['address']))
 				$_POST['address'] = [];
-			$_POST['address']['func'] = 1;
 		}
 		if ($this->input->post('incoming')) {
 			$_POST['ausbildungssemester'] = 0;
@@ -474,31 +511,37 @@ class Student extends FHCAPI_Controller
 		$this->load->library('form_validation');

 		$this->form_validation->set_rules('nachname', 'Nachname', 'callback_requiredIfNotPersonId', [
-			'requiredIfNotPersonId' => $this->p->t('ui', 'error_required')
+			'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_required')
+			'requiredIfNotPersonId' => $this->p->t('ui', 'error_fieldRequired', ['field' => $this->p->t('person', 'geschlecht')])
 		]);
-		$this->form_validation->set_rules('gebdatum', 'Geburtsdatum', 'callback_isValidDate', [
+		$this->form_validation->set_rules('gebdatum', 'Geburtsdatum', ['isValidDate', function($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_required')
+			'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_required')
+			'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_required')
+			'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_required')
+			'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', 'required');
-		$this->form_validation->set_rules('studiensemester_kurzbz', 'Studiensemester', 'required');
-		$this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'required|integer|less_than[9]|greater_than[-1]');
+		$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?

@@ -518,7 +561,9 @@ class Student extends FHCAPI_Controller
 		if ($this->db->trans_status() === FALSE)
 			$this->terminateWithError('TODO(chris): TEXT', self::ERROR_TYPE_GENERAL);

-		$this->terminateWithSuccess($result);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
 	}

 	protected function addInteressent()
@@ -575,6 +620,8 @@ class Student extends FHCAPI_Controller
 				'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([
@@ -631,70 +678,74 @@ class Student extends FHCAPI_Controller
 			}
 		}

-		// 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;
+		$personOnly = $anlegen = $this->input->post('personOnly');

-				$data['zgvmas_code'] = $prestudent->zgvmas_code;
-				$data['zgvmaort'] = $prestudent->zgvmaort;
-				$data['zgvmadatum'] = $prestudent->zgvmadatum;
+		if (!$personOnly)
+		{
+			// 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
 			}
 		}
-		// 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 ($incoming) {
-			// TODO(chris): IMPLEMENT!
-			//Matrikelnummer und UID generieren
-			//Benutzerdatensatz anlegen
-			//Studentendatensatz anlegen
-			//StudentLehrverband anlegen
-		}
-
 		// TODO(chris): DEBUG
 		/*$result = $this->PrestudentModel->loadWhere([
 			'pestudent_id' => 1
@@ -703,7 +754,7 @@ class Student extends FHCAPI_Controller
 			return $result;
 		}*/

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

 	public function requiredIfNotPersonId($value)
@@ -715,7 +766,14 @@ class Student extends FHCAPI_Controller
 	
 	public function requiredIfAddressFunc($value)
 	{
-		if (!$_POST['address']['func'])
+		if (!$_POST['address']['func'] || $_POST['address']['func'] == 0)
+			return true;
+		return !!$value;
+	}
+
+	public function requiredIfStudentFunc($value)
+	{
+		if ($_POST['personOnly'])
 			return true;
 		return !!$value;
 	}
@@ -44,14 +44,12 @@ class Students extends FHCAPI_Controller
 		}

 		// Load Libraries
-		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
 		$this->load->library('PhrasesLib');
 		$this->loadPhrases(
 			array(
 				'lehre'
 			)
 		);
-
 	}

 	/**
@@ -75,7 +73,7 @@ class Students extends FHCAPI_Controller
 	 * /(studiengang_kz)/(orgform)/prestudent/(studiensemester_kurzbz)/(filter)					=> getPrestudentsOrgform
 	 * /(studiengang_kz)/(orgform)/prestudent/(studiensemester_kurzbz)/(filter)/(otherfilter)	=> getPrestudentsOrgform
 	 *
-	 * /(studiensemester_kurzbz)/(studiengang_kz)/(semester)/grp/(gruppe)	=> getStudentsSpezialguppe
+	 * /(studiensemester_kurzbz)/(studiengang_kz)/(semester)/grp/(gruppe)	=> getStudentsSpezialgruppe
 	 *
 	 * /(studiensemester_kurzbz)/(studiengang_kz)								=> getStudents
 	 * /(studiensemester_kurzbz)/(studiengang_kz)/(semester)					=> getStudents
@@ -101,39 +99,183 @@ class Students extends FHCAPI_Controller
 	}

 	/**
+	 * @param string		$studiensemester_kurzbz
+	 *
 	 * @return void
 	 */
-	public function getIncoming()
+	public function getIncoming($studiensemester_kurzbz)
 	{
 		$this->addMeta('ci_method', __FUNCTION__);
-		// TODO(chris): IMPLEMENT!
-		$this->terminateWithSuccess([]);
+		$this->addMeta('ci_params', [
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		]);
+		
+
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+
+		$this->PrestudentModel->addJoin(
+			"(
+				SELECT prestudent_id 
+				FROM public.tbl_prestudentstatus
+				WHERE status_kurzbz = 'Incoming'
+				AND studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
+			) test",
+			"prestudent_id"
+		);
+
+
+		$this->prepareQuery($studiensemester_kurzbz);
+
+		$this->PrestudentModel->addSelect("COALESCE(
+			v.semester::text, 
+			CASE 
+				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN pls.ausbildungssemester::text 
+				ELSE ''::text 
+			END
+		) AS semester", false);
+		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
+		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		
+		$this->addSelectPrioRel();
+
+		$this->addFilter($studiensemester_kurzbz);
+
+
+		$result = $this->PrestudentModel->load();
+		
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
 	}

 	/**
+	 * @param string		$studiensemester_kurzbz
+	 *
 	 * @return void
 	 */
-	public function getOutgoing()
+	public function getOutgoing($studiensemester_kurzbz)
 	{
 		$this->addMeta('ci_method', __FUNCTION__);
-		// TODO(chris): IMPLEMENT!
-		$this->terminateWithSuccess([]);
+		$this->addMeta('ci_params', [
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		]);
+		
+
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+
+		$this->PrestudentModel->addJoin(
+			"(
+				SELECT prestudent_id 
+				FROM bis.tbl_bisio bis 
+				JOIN public.tbl_student USING (student_uid)
+				JOIN public.tbl_studiensemester stdsem ON (
+					(bis.von >= stdsem.start AND bis.von <= stdsem.ende) 
+					OR 
+					(bis.bis >= stdsem.start AND bis.bis <= stdsem.ende) 
+					OR 
+					(bis.von <= stdsem.start AND bis.bis >= stdsem.ende)
+				)
+				WHERE NOT EXISTS (
+					SELECT 1 
+					FROM public.tbl_prestudentstatus 
+					WHERE status_kurzbz = 'Incoming'
+					AND prestudent_id = tbl_student.prestudent_id
+				) AND stdsem.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
+				GROUP BY prestudent_id
+			) test",
+			"prestudent_id"
+		);
+
+
+		$this->prepareQuery($studiensemester_kurzbz);
+
+
+		$this->PrestudentModel->addSelect("COALESCE(
+			v.semester::text, 
+			CASE 
+				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN pls.ausbildungssemester::text 
+				ELSE ''::text 
+			END
+		) AS semester", false);
+		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
+		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		
+		$this->addSelectPrioRel();
+
+		$this->addFilter($studiensemester_kurzbz);
+
+
+		$result = $this->PrestudentModel->load();
+		
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
 	}

 	/**
+	 * @param string		$studiensemester_kurzbz
+	 *
 	 * @return void
 	 */
-	public function getGemeinsamestudien()
+	public function getGemeinsamestudien($studiensemester_kurzbz)
 	{
 		$this->addMeta('ci_method', __FUNCTION__);
-		// TODO(chris): IMPLEMENT!
-		$this->terminateWithSuccess([]);
+		$this->addMeta('ci_params', [
+			'studiensemester_kurzbz' => $studiensemester_kurzbz
+		]);
+		
+
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+
+		$this->PrestudentModel->addJoin(
+			"(
+				SELECT prestudent_id
+				FROM bis.tbl_mobilitaet 
+				WHERE studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
+			) bis",
+			"prestudent_id"
+		);
+
+
+		$this->prepareQuery($studiensemester_kurzbz);
+
+
+		$this->PrestudentModel->addSelect("COALESCE(
+			v.semester::text, 
+			CASE 
+				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN pls.ausbildungssemester::text 
+				ELSE ''::text 
+			END
+		) AS semester", false);
+		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
+		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");
+		
+		$this->addSelectPrioRel();
+
+		$this->addFilter($studiensemester_kurzbz);
+
+
+		$result = $this->PrestudentModel->load();
+		
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
 	}

-	public function getPrestudents($studiengang_kz,
-		$studiensemester_kurzbz = null, $filter = null
-	)
-	{
+	public function getPrestudents(
+		$studiengang_kz,
+		$studiensemester_kurzbz = null,
+		$filter = null
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiengang_kz' => $studiengang_kz,
@@ -144,10 +286,12 @@ class Students extends FHCAPI_Controller
 		$this->fetchPrestudents($studiengang_kz, $studiensemester_kurzbz, $filter);
 	}

-	public function getPrestudentsOrgform($studiengang_kz, $orgform_kurzbz,
-		$studiensemester_kurzbz = null, $filter = null
-	)
-	{
+	public function getPrestudentsOrgform(
+		$studiengang_kz,
+		$orgform_kurzbz,
+		$studiensemester_kurzbz = null,
+		$filter = null
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiengang_kz' => $studiengang_kz,
@@ -227,7 +371,7 @@ class Students extends FHCAPI_Controller

 				$stg = $this->getDataOrTerminateWithError($result);
 				if (!$stg)
-					$this->terminateWithValidationErrors(['' => 'Studiengang does not exist']); // TODO(chris): phrase
+					$this->terminateWithSuccess([]);
 				$stg = current($stg);

 				$where['ps.status_kurzbz'] = 'Interessent';
@@ -296,7 +440,10 @@ class Students extends FHCAPI_Controller
 				break;
 			default:
 				if (!$studiensemester_kurzbz) {
-					// TODO(chris): this does not work with $orgform_kurzbz != null
+					/** NOTE(chris):
+					 * show all prestudents in this stg who don't have a status
+					 * $orgform_kurzbz does not change the results since orgform is stored in the status table
+					 */
 					$where['ps.status_kurzbz'] = null;
 				} else {
 					$this->PrestudentModel->db->where_in('ps.status_kurzbz', [
@@ -310,42 +457,18 @@ class Students extends FHCAPI_Controller
 				break;
 		}

-		/*
-			$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus pls', '
-				pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.prestudent_id=tbl_prestudent.prestudent_id 
-				AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
-			$this->PrestudentModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus ps', '
-				ps.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
-				AND ps.prestudent_id=tbl_prestudent.prestudent_id 
-				AND ps.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ') 
-				AND ps.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, ' . $stdsemEsc . ')', 'LEFT');*/
 		$this->prepareQuery($studiensemester_kurzbz);
 		
 		$this->PrestudentModel->addSelect("
-			CASE WHEN ps.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
-			THEN ps.ausbildungssemester::text 
-			ELSE ''::text END AS semester", false);
+			CASE 
+				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN ps.ausbildungssemester::text 
+				ELSE ''::text 
+			END AS semester", false);
 		$this->PrestudentModel->addSelect("'' AS verband");
 		$this->PrestudentModel->addSelect("'' AS gruppe");
 		$this->addSelectPrioRel();

-		//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"
-		);
-
 		$this->addFilter($studiensemester_kurzbz);

 		$result = $this->PrestudentModel->loadWhere($where);
@@ -355,10 +478,13 @@ class Students extends FHCAPI_Controller
 		$this->terminateWithSuccess($data);
 	}

-	public function getStudents($studiensemester_kurzbz,
-		$studiengang_kz, $semester = null, $verband = null, $gruppe = null
-	)
-	{
+	public function getStudents(
+		$studiensemester_kurzbz,
+		$studiengang_kz,
+		$semester = null,
+		$verband = null,
+		$gruppe = null
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
@@ -371,10 +497,14 @@ class Students extends FHCAPI_Controller
 		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, $verband, $gruppe, null, null);
 	}

-	public function getStudentsOrgform($studiensemester_kurzbz,
-		$studiengang_kz, $orgform_kurzbz, $semester = null, $verband = null, $gruppe = null
-	)
-	{
+	public function getStudentsOrgform(
+		$studiensemester_kurzbz,
+		$studiengang_kz,
+		$orgform_kurzbz,
+		$semester = null,
+		$verband = null,
+		$gruppe = null
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
@@ -388,10 +518,12 @@ class Students extends FHCAPI_Controller
 		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, $verband, $gruppe, null, $orgform_kurzbz);
 	}

-	public function getStudentsSpezialgruppe($studiensemester_kurzbz,
-		$studiengang_kz, $semester, $gruppe_kurzbz,
-		$orgform_kurzbz = null)
-	{
+	public function getStudentsSpezialgruppe(
+		$studiensemester_kurzbz,
+		$studiengang_kz,
+		$semester,
+		$gruppe_kurzbz
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
@@ -403,10 +535,13 @@ class Students extends FHCAPI_Controller
 		$this->fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester, null, null, $gruppe_kurzbz, null);
 	}

-	public function getStudentsOrgformSpezialgruppe($studiensemester_kurzbz,
-		$orgform_kurzbz, $studiengang_kz, $semester, $gruppe_kurzbz
-	)
-	{
+	public function getStudentsOrgformSpezialgruppe(
+		$studiensemester_kurzbz,
+		$orgform_kurzbz,
+		$studiengang_kz,
+		$semester,
+		$gruppe_kurzbz
+	) {
 		$this->addMeta('ci_method', __FUNCTION__);
 		$this->addMeta('ci_params', array(
 			'studiensemester_kurzbz' => $studiensemester_kurzbz,
@@ -430,8 +565,15 @@ class Students extends FHCAPI_Controller
 	 *
 	 * @return void
 	 */
-	protected function fetchStudents($studiensemester_kurzbz, $studiengang_kz, $semester = null, $verband = null, $gruppe = null, $gruppe_kurzbz = null, $orgform_kurzbz = null)
-	{
+	protected function fetchStudents(
+		$studiensemester_kurzbz,
+		$studiengang_kz,
+		$semester = null,
+		$verband = null,
+		$gruppe = null,
+		$gruppe_kurzbz = null,
+		$orgform_kurzbz = null
+	) {
 		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
 		$this->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');

@@ -440,21 +582,6 @@ class Students extends FHCAPI_Controller
 			$this->terminateWithError($studiensemester_kurzbz . ' - ' . $this->p->t('lehre', 'error_noStudiensemester'));
 		}

-		/*
-			$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-			$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id');
-			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus pls', '
-				pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.prestudent_id=tbl_prestudent.prestudent_id 
-				AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
-			$this->PrestudentModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid');
-			$this->PrestudentModel->addJoin(
-				'public.tbl_studentlehrverband v',
-				'v.student_uid=s.student_uid AND v.studiensemester_kurzbz=' . $this->PrestudentModel->escape($studiensemester_kurzbz)
-			);*/
 		$this->prepareQuery($studiensemester_kurzbz, '');

 		$this->PrestudentModel->addSelect('v.semester');
@@ -462,18 +589,6 @@ class Students extends FHCAPI_Controller
 		$this->PrestudentModel->addSelect('v.gruppe');
 		$this->PrestudentModel->addSelect("'' AS priorisierung_relativ");

-		//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"
-		);
-

 		$where = [];

@@ -506,7 +621,6 @@ class Students extends FHCAPI_Controller
 					false
 				);
 			}
-
 		}

 		$this->addFilter($studiensemester_kurzbz);
@@ -540,39 +654,18 @@ class Students extends FHCAPI_Controller

 		$this->load->model('crm/Prestudent_model', 'PrestudentModel');

-		/*
-			$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-			$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus pls', '
-				pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.prestudent_id=tbl_prestudent.prestudent_id 
-				AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
-			$this->PrestudentModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid', 'LEFT');
-			$this->PrestudentModel->addJoin(
-				'public.tbl_studentlehrverband v',
-				'v.student_uid=s.student_uid AND v.studiensemester_kurzbz=' . $this->PrestudentModel->escape($studiensemester_kurzbz),
-				'LEFT'
-			);*/
 		$this->prepareQuery($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->PrestudentModel->addSelect("COALESCE(
+			v.semester::text, 
+			CASE 
+				WHEN pls.status_kurzbz IN ('Aufgenommener', 'Bewerber', 'Wartender', 'interessent') 
+				THEN pls.ausbildungssemester::text 
+				ELSE ''::text 
+			END
+		) AS semester", false);
+		$this->PrestudentModel->addSelect("COALESCE(v.verband::text, ''::text)");
+		$this->PrestudentModel->addSelect("COALESCE(v.gruppe::text, ''::text)");

 		$this->addSelectPrioRel();

@@ -609,40 +702,12 @@ class Students extends FHCAPI_Controller

 		$this->load->model('crm/Prestudent_model', 'PrestudentModel');

-		/*
-			$this->PrestudentModel->addJoin('public.tbl_studiengang stg', 'studiengang_kz', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-			$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id');
-			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus pls', '
-				pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.prestudent_id=tbl_prestudent.prestudent_id 
-				AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL) 
-				AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)', 'LEFT');
-			$this->PrestudentModel->addJoin('lehre.tbl_studienplan sp', 'studienplan_id', 'LEFT');
-			$this->PrestudentModel->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid');
-			$this->PrestudentModel->addJoin(
-				'public.tbl_studentlehrverband v',
-				'v.student_uid=s.student_uid AND v.studiensemester_kurzbz=' . $this->PrestudentModel->escape($studiensemester_kurzbz),
-				'LEFT'
-			);*/
 		$this->prepareQuery($studiensemester_kurzbz);

 		$this->PrestudentModel->addSelect('v.semester');
 		$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();


@@ -681,33 +746,12 @@ class Students extends FHCAPI_Controller

 		$this->load->model('crm/Prestudent_model', 'PrestudentModel');

-		/*
-			$this->PrestudentModel->addJoin('public.tbl_person p', 'person_id');
-			$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id');
-			$this->PrestudentModel->addJoin('public.tbl_benutzer b', 's.student_uid=b.uid');
-			$this->PrestudentModel->addJoin(
-				'public.tbl_studentlehrverband v',
-				'v.student_uid=s.student_uid AND v.studiensemester_kurzbz=' . $this->PrestudentModel->escape($studiensemester_kurzbz),
-				'LEFT'
-			);*/
 		$this->prepareQuery($studiensemester_kurzbz);

 		$this->PrestudentModel->addSelect('v.semester');
 		$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);
@@ -851,6 +895,18 @@ class Students extends FHCAPI_Controller
 		// verband
 		// 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->PrestudentModel->addSelect('UPPER(stg.typ || stg.kurzbz) AS studiengang');
 		$this->PrestudentModel->addSelect('tbl_prestudent.studiengang_kz');
 		$this->PrestudentModel->addSelect('stg.bezeichnung AS stg_bezeichnung');
@@ -886,13 +942,6 @@ class Students extends FHCAPI_Controller
 		$this->PrestudentModel->addSelect('mentor');
 		$this->PrestudentModel->addSelect('b.aktiv AS bnaktiv');

-		/*$this->PrestudentModel->addSelect('tbl_prestudent.reihungstest_id');
-		$this->PrestudentModel->addSelect('tbl_prestudent.anmeldungreihungstest');
-		$this->PrestudentModel->addSelect('tbl_prestudent.gsstudientyp_kurzbz');
-		$this->PrestudentModel->addSelect('tbl_prestudent.priorisierung');
-		$this->PrestudentModel->addSelect('p.zugangscode');
-		$this->PrestudentModel->addSelect('p.bpk');*/
-
 		$this->PrestudentModel->db->where_in('tbl_prestudent.studiengang_kz', $this->allowedStgs);

 		$this->PrestudentModel->addOrder('nachname');
@@ -907,13 +956,13 @@ class Students extends FHCAPI_Controller
 		$this->PrestudentModel->addSelect("(
 			SELECT count(*)
 			FROM (
-				SELECT *, public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) AS laststatus
-				FROM PUBLIC.tbl_prestudent pss
-				JOIN PUBLIC.tbl_prestudentstatus USING (prestudent_id)
+				SELECT *, public.get_rolle_prestudent(pss.prestudent_id, NULL) AS laststatus
+				FROM public.tbl_prestudent pss
+				JOIN public.tbl_prestudentstatus USING (prestudent_id)
 				WHERE person_id = p.person_id
 				AND studiensemester_kurzbz = (
 					SELECT studiensemester_kurzbz
-					FROM PUBLIC.tbl_prestudentstatus
+					FROM public.tbl_prestudentstatus
 					WHERE prestudent_id = tbl_prestudent.prestudent_id
 					AND status_kurzbz = 'Interessent'
 					LIMIT 1
@@ -922,7 +971,7 @@ class Students extends FHCAPI_Controller
 			) prest
 			WHERE laststatus NOT IN ('Abbrecher', 'Abgewiesener', 'Absolvent')
 			AND priorisierung <= tbl_prestudent.priorisierung
-		) || ' (' || tbl_prestudent.priorisierung || ')' AS priorisierung_relativ", false);
+		) || ' (' || COALESCE(tbl_prestudent.priorisierung::text, ' '::text) || ')' AS priorisierung_relativ", false);
 	}

 	/**
@@ -934,40 +983,20 @@ class Students extends FHCAPI_Controller
 	 */
 	protected function addFilter($studiensemester_kurzbz)
 	{
-		$filter = json_decode($this->input->get('filter'), true);
+		$filter = $this->input->post('filter');
+		
 		if (!is_array($filter))
 		{
-			$this->addMeta('addfilter', 'invalid filter: ' . $this->input->get('filter'));
+			$this->addMeta('addfilter', 'invalid filter: ' . json_encode($this->input->post('filter')));
 			return;
 		}
-		if (isset($filter['konto_count_0'])) {
-			$bt = $this->PrestudentModel->escape($filter['konto_count_0']);
-			$stdsem = $this->PrestudentModel->escape($studiensemester_kurzbz);
-
-			$this->PrestudentModel->db->where('(
-				SELECT count(*) 
-				FROM public.tbl_konto 
-				WHERE person_id=tbl_prestudent.person_id 
-				AND buchungstyp_kurzbz=' . $bt . ' 
-				AND studiensemester_kurzbz=' . $stdsem . '
-			) =', 0);
-			$this->PrestudentModel->db->where('get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL) !=', 'Incoming');
-		}
-		if (isset($filter['konto_missing_counter'])) {
-			$bt = $this->PrestudentModel->escape($filter['konto_missing_counter']);
-			$stg = '';
-			if ($this->variablelib->getVar('kontofilterstg') == 'true')
-				$stg = ' AND studiengang_kz=tbl_prestudent.studiengang_kz';
-
-			$bt = $bt == 'alle' ? '' : ' AND buchungstyp_kurzbz=' . $bt;
-
-			$this->PrestudentModel->db->where('(
-				SELECT sum(betrag) 
-				FROM public.tbl_konto 
-				WHERE person_id=tbl_prestudent.person_id' .
-				$bt .
-				$stg . '
-			) !=', 0);
+		foreach ($filter as $item) {
+			if (isset($item['usestdsem']) && $item['usestdsem'])
+				$item['studiensemester_kurzbz'] = $studiensemester_kurzbz;
+			if (!$this->PrestudentModel->addFilter($item)) {
+				$this->addMeta('addfilter', 'invalid filter: ' . json_encode($item));
+				return;
+			}
 		}
 	}
 }
@@ -272,6 +272,7 @@ class Verband extends FHCAPI_Controller
 		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester AND verband=v.verband ORDER BY gruppe LIMIT 1)) AS name", false);
 		$this->StudiengangModel->addSelect("CASE WHEN MAX(gruppe)='' OR MAX(gruppe)=' ' THEN TRUE ELSE FALSE END AS leaf");

+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($semester) . ' AS semester');
 		$this->StudiengangModel->addSelect('verband');
 		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
 		
@@ -320,6 +321,8 @@ class Verband extends FHCAPI_Controller
 		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, verband, gruppe, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester AND verband=v.verband AND gruppe=v.gruppe ORDER BY gruppe LIMIT 1)) AS name", false);
 		$this->StudiengangModel->addSelect("TRUE AS leaf", false);

+		$this->StudiengangModel->addSelect('v.semester');
+		$this->StudiengangModel->addSelect('v.verband');
 		$this->StudiengangModel->addSelect('gruppe');
 		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
 		
@@ -0,0 +1,104 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class Vertrag extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getVertrag' => ['admin:r', 'assistenz:r'],
+			'cancelVertrag' => ['admin:r', 'assistenz:r']
+		]);
+
+		// Load Libraries
+		$this->load->library('form_validation');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui',
+			'person',
+			'projektarbeit'
+		]);
+
+		// Load models
+		$this->load->model('accounting/Vertrag_model', 'VertragModel');
+		$this->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+
+		// load libraries
+		$this->load->library('PermissionLib');
+	}
+
+	public function getVertrag()
+	{
+		$vertrag_id = $this->input->get('vertrag_id');
+
+		if (!isset($vertrag_id) || !is_numeric($vertrag_id))
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Vertrag ID']), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->VertragModel->getVertragById($vertrag_id);
+
+		if (isError($result))
+		{
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+
+		if (!hasData($result)) $this->terminateWithSuccess([]);
+
+		$vertrag = getData($result)[0];
+
+		$this->terminateWithSuccess($vertrag);
+	}
+
+	public function cancelVertrag()
+	{
+		$vertrag_id = $this->input->post('vertrag_id');
+		$person_id = $this->input->post('person_id');
+
+		if (!isset($vertrag_id) || !is_numeric($vertrag_id))
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Vertrag ID']), self::ERROR_TYPE_GENERAL);
+		if (!isset($person_id) || !is_numeric($person_id))
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Person ID']), self::ERROR_TYPE_GENERAL);
+
+		// * first find lehrveranstaltung_id of the contracts lehrveranstaltung
+		$this->VertragModel->addSelect('lehrveranstaltung_id');
+		$this->VertragModel->addJoin('lehre.tbl_lehrveranstaltung', 'lehrveranstaltung_id', 'LEFT');
+		$result = $this->VertragModel->loadWhere(['vertrag_id' => $vertrag_id]);
+
+		if (isError($result)) $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		if (!hasData($result)) $this->terminateWithSuccess([]);
+
+		$lehrveranstaltung_id = getData($result)[0]->lehrveranstaltung_id;
+
+		$allOe = $this->LehrveranstaltungModel->getAllOe($lehrveranstaltung_id);
+
+		if (isError($allOe)) $this->terminateWithError(getError($allOe), self::ERROR_TYPE_GENERAL);
+
+		$allOe = hasData($allOe) ? getData($allOe) : [];
+
+		$this->addMeta('oe', $allOe);
+
+		// * then check if the user has permissions to cancel the corresponding lv-organisational units
+		if (!$this->permissionlib->isBerechtigtMultipleOe('admin', $allOe, 'suid') &&
+			!$this->permissionlib->isBerechtigtMultipleOe('lehre/lehrauftrag_bestellen', $allOe, 'suid'))
+		{
+			return $this->_outputAuthError([$this->router->method => ['admin:rw', 'lehrauftrag_bestellen:rw']]);
+		}
+
+		$uidResult = $this->BenutzerModel->getFromPersonId($person_id);
+
+		if (isError($uidResult)) $this->terminateWithError(getError($uidResult), self::ERROR_TYPE_GENERAL);
+
+		if (!hasData($uidResult)) $this->terminateWithError("no user found", self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_uid = getData($uidResult)[0]->uid;
+
+		$result = $this->VertragModel->cancelVertrag($vertrag_id, $mitarbeiter_uid);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+}
@@ -51,13 +51,17 @@ class Vorlagen extends FHCAPI_Controller
 		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
 		$result = $this->BenutzerfunktionModel->getBenutzerfunktionByUid($uid, 'oezuordnung');

-		$data = $this->getDataOrTerminateWithError($result);
-		$oe_kurzbz = current($data);
+		if (hasData($result))
+		{
+			$data = getData($result);

-		$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz->oe_kurzbz);
-		$data = $this->getDataOrTerminateWithError($result);
+			$oe_kurzbz = array_column($data, 'oe_kurzbz');
+			$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz);
+
+			$this->terminateWithSuccess(hasData($result) ? getData($result) : array());
+		}
+		$this->terminateWithSuccess(array());

-		$this->terminateWithSuccess($data);
 	}

 }