Merge branch 'master' into bug-66933/studierendenverwaltung_message_tab_fehlermeldung

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

@@ -0,0 +1,265 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lehrveranstaltung extends FHCAPI_Controller
+{
+	private $_ci;
+	private $_uid;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getByEmp' => ['admin:r', 'assistenz:r'],
+			'getByStg' => ['admin:r', 'assistenz:r'],
+			'loadByLV' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
+	}
+
+	public function getByEmp($studiensemester_kurzbz = null, $mitarbeiter_uid = null, $stg_kz = null)
+	{
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+
+		$lehrveranstaltungen = $this->_ci->LehreinheitModel->getLvsByEmployee($mitarbeiter_uid, $studiensemester_kurzbz, $stg_kz);
+		$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+
+		$tree = [];
+
+		foreach ($lehrveranstaltungen_data as $lehrveranstaltung)
+		{
+			$lehreinheiten = $this->_ci->LehreinheitModel->getByLvidStudiensemester($lehrveranstaltung->lehrveranstaltung_id, $studiensemester_kurzbz, $mitarbeiter_uid);
+			$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+			if (!isset($lehrveranstaltung->_children))
+			{
+				$lehrveranstaltung->_children = $lehreinheiten_data;
+			}
+			$tree[] = $lehrveranstaltung;
+		}
+
+		$this->terminateWithSuccess($tree);
+	}
+	public function getByStg($studiensemester_kurzbz = null, $studiengang_kz = null, $semester = null)
+	{
+		if (is_null($studiengang_kz) || !preg_match("/^-?[1-9][0-9]*$/", (string)$studiengang_kz))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$verband = null;
+		if (!is_null($semester) && !is_numeric($semester))
+		{
+			$verband = $semester;
+			$semester = null;
+		}
+
+		$this->_ci->load->model('organisation/Studienplan_model', 'StudienplanModel');
+
+		$studiensemester_kurzbz = $this->getStudiensemesterKurzbz($studiensemester_kurzbz);
+		$studienplan_data = $this->_ci->StudienplanModel->getStudienplaeneBySemester($studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
+
+		$studienplan_ids = array();
+		$only_ids = array();
+		$placeholders = array();
+
+		if (hasData($studienplan_data))
+		{
+			foreach (getData($studienplan_data) as $studienplan) {
+				$placeholders[] = "(?, ?)";
+				$studienplan_ids[] = $studienplan->studienplan_id;
+				$studienplan_ids[] = $studienplan->semester;
+				$only_ids[] = $studienplan->studienplan_id;
+			}
+		}
+
+		$lehrveranstaltungen_data = $this->_ci->LehrveranstaltungModel->getLvsByStudiengang($studienplan_ids, $placeholders, $only_ids, $studiengang_kz, $studiensemester_kurzbz, $semester, $verband);
+		$lehrveranstaltungen_data = hasData($lehrveranstaltungen_data) ? getData($lehrveranstaltungen_data) : array();
+
+		$tree = [];
+		foreach ($lehrveranstaltungen_data as $row)
+		{
+			$rowData = $row;
+
+			$lehreinheiten_data = $this->_ci->LehreinheitModel->getByLvidStudiensemester($row->lehrveranstaltung_id, $studiensemester_kurzbz);
+
+			if (hasData($lehreinheiten_data))
+			{
+				$lehreinheiten = getData($lehreinheiten_data);
+				$rowData->_children = $lehreinheiten;
+			}
+
+			if (!isEmptyString($row->studienplan_lehrveranstaltung_id_parent))
+			{
+				$child = $this->_ci->StudienplanModel->loadStudienplanLehrveranstaltung($row->studienplan_lehrveranstaltung_id_parent);
+
+				if (hasData($child))
+				{
+					$child = getData($child)[0];
+					$searchId = $child->lehrveranstaltung_id;
+
+					foreach ($lehrveranstaltungen_data as &$searchParent)
+					{
+						if ($searchParent->lehrveranstaltung_id === $searchId)
+						{
+							if (!isset($searchParent->_children))
+							{
+								$searchParent->_children = [];
+							}
+
+							if (is_array($searchParent->_children))
+							{
+								$searchParent->_children[] = $row;
+							}
+							else
+							{
+								$searchParent->_children = [$searchParent->_children, $row];
+							}
+							break;
+						}
+					}
+
+				}
+			}
+			else
+			{
+				$tree[] = $rowData;
+			}
+		}
+
+		$counter = 0;
+		$this->assignUniqueIndex($tree, $counter);
+		$this->terminateWithSuccess($tree);
+	}
+
+
+	public function loadByLV($lehrveranstaltung_id = null)
+	{
+		if (is_null($lehrveranstaltung_id) || !ctype_digit((string)$lehrveranstaltung_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->_ci->LehrveranstaltungModel->addSelect('lehrveranstaltung_id, lehrform_kurzbz, lehre, bezeichnung as lvbezeichnung, sprache');
+		$lehrveranstaltung_result = $this->_ci->LehrveranstaltungModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung_id));
+		$lehrveranstaltung_result = $this->getDataOrTerminateWithError($lehrveranstaltung_result);
+		$lehrveranstaltung = $lehrveranstaltung_result[0];
+
+		$this->_ci->LehreinheitModel->addSelect('lehrveranstaltung_id_kompatibel');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung_kompatibel', 'lehrveranstaltung_id');
+		$lehrfaecher = $this->_ci->LehreinheitModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung->lehrveranstaltung_id));
+
+		$lehrfaecher_array = [];
+		if (hasData($lehrfaecher))
+			$lehrfaecher_array = array_merge($lehrfaecher_array, array_column(getData($lehrfaecher), 'lehrveranstaltung_id_kompatibel'));
+
+		$lehrfaecher_array[] = $lehrveranstaltung->lehrveranstaltung_id;
+
+		$this->_ci->LehrveranstaltungModel->addDistinct('lehrfach_id');
+		$this->_ci->LehrveranstaltungModel->addSelect("tbl_lehrveranstaltung.lehrveranstaltung_id, CONCAT(tbl_lehrveranstaltung.bezeichnung || '(' || tbl_lehrveranstaltung.oe_kurzbz || ')') as lehrfach");
+		$this->_ci->LehrveranstaltungModel->db->where_in('tbl_lehrveranstaltung.lehrveranstaltung_id', $lehrfaecher_array);
+		$lehrfaecher_result = $this->_ci->LehrveranstaltungModel->load();
+
+		$lehrfaecher_array = hasData($lehrfaecher_result) ? getData($lehrfaecher_result) : array();
+
+		$lehrveranstaltung->lehrfaecher = $lehrfaecher_array;
+		$this->terminateWithSuccess($lehrveranstaltung);
+	}
+
+	/*
+	 * (david) ggf. im naechsten release
+	 * public function loadByOrganization($oe_kurzbz)
+	{
+		$studiensemester_kurzbz = $this->variablelib->getVar('semester_aktuell');
+
+		$lehrveranstaltungen = $this->LehrveranstaltungModel->getLvsByOrganization($oe_kurzbz);
+		$lehrveranstaltungen_data = $this->getDataOrTerminateWithError($lehrveranstaltungen);
+		$tree = [];
+
+		foreach ($lehrveranstaltungen_data as $lehrveranstaltung)
+		{
+			$lehreinheiten = $this->LehreinheitModel->getByLvidStudiensemester($lehrveranstaltung->lehrveranstaltung_id, $studiensemester_kurzbz);
+			$lehreinheiten_data = $this->getDataOrTerminateWithError($lehreinheiten);
+
+			if (!isset($lehrveranstaltung->_children))
+			{
+
+				$lehrveranstaltung->_children = $lehreinheiten_data;
+			}
+			$tree[] = $lehrveranstaltung;
+		}
+		$this->terminateWithSuccess($tree);
+	}*/
+
+	/*public function loadByFachbereich($fachbereich, $mitarbeiter_uid = null)
+	{
+		$studiensemester_kurzbz = $this->variablelib->getVar('semester_aktuell');
+
+		$this->LehreinheitModel->getLvsByFachbereich($fachbereich, $studiensemester_kurzbz, $mitarbeiter_uid);
+	}*/
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+
+	private function assignUniqueIndex(&$nodes, &$counter)
+	{
+		foreach ($nodes as &$node)
+		{
+			$node->uniqueindex = $counter++;
+			if (!empty($node->_children) && is_array($node->_children))
+			{
+				$this->assignUniqueIndex($node->_children, $counter);
+			}
+		}
+	}
+
+	private function getStudiensemesterKurzbz($studiensemester_kurzbz = null)
+	{
+		if (!is_null($studiensemester_kurzbz))
+		{
+			$studiensemester_result = $this->_ci->StudiensemesterModel->load($studiensemester_kurzbz);
+
+			if (isError($studiensemester_result) || !hasData($studiensemester_result))
+				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+			return getData($studiensemester_result)[0]->studiensemester_kurzbz;
+		}
+
+		$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+	}
+}

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

@@ -637,7 +637,7 @@ class ProfilUpdate extends FHCAPI_Controller
 				//? Send email to the Studiengangsassistentinnen
 				$this->StudentModel->addSelect(["public.tbl_studiengang.email"]);
 				$this->StudentModel->addJoin("public.tbl_benutzer", "public.tbl_benutzer.uid = public.tbl_student.student_uid");
-				$this->StudentModel->addJoin("public.tbl_prestudent", "public.tbl_benutzer.person_id = public.tbl_prestudent.person_id");
+				$this->StudentModel->addJoin("public.tbl_prestudent", "public.tbl_benutzer.person_id = public.tbl_prestudent.person_id and public.tbl_student.studiengang_kz = public.tbl_prestudent.studiengang_kz");
 				$this->StudentModel->addJoin("public.tbl_prestudentstatus", "public.tbl_prestudentstatus.prestudent_id = public.tbl_prestudent.prestudent_id");
 				$this->StudentModel->addJoin("public.tbl_studiengang", "public.tbl_studiengang.studiengang_kz = public.tbl_prestudent.studiengang_kz");
 				$this->StudentModel->addGroupBy(["public.tbl_studiengang.email"]);
@@ -706,7 +706,13 @@ class ProfilUpdate extends FHCAPI_Controller
 
 	private function setStatusOnUpdateRequest($id, $status, $status_message)
 	{
-		return $this->ProfilUpdateModel->update([$id], ["status" => $status, "status_timestamp" => "NOW()", "status_message" => $status_message]);
+		return $this->ProfilUpdateModel->update([$id], [
+			"status" => $status,
+			"status_timestamp" => "NOW()",
+			"status_message" => $status_message,
+			"updateamum" => "NOW()",
+			"updatevon" => getAuthUID()
+		]);
 	}
 	
 	private function updateRequestedChange($id, $requested_change)
@@ -716,13 +722,12 @@ class ProfilUpdate extends FHCAPI_Controller
 	
 	private function deleteOldVersionFile($dms_id)
 	{
+		if (!isset($dms_id)) {
+			return true;
+		}
+
 		// starting the transaction
 		$this->db->trans_start();
-		
-		
-		if (!isset($dms_id)) {
-			return;
-		}
 
 		//? delete the file from the profilUpdate first
 		$profilUpdateFileDelete = $this->ProfilUpdateModel->removeFileFromProfilUpdate($dms_id);
@@ -777,13 +782,8 @@ class ProfilUpdate extends FHCAPI_Controller
 
 		$res = $this->StudentModel->execReadOnlyQuery($query, [$student_uid]);
 		$res = $this->getDataOrTerminateWithError($res, $this->p->t('profilUpdate', 'profilUpdate_loadingOE_error'));	
-		$res = array_map(
-			function ($item) {
-				return $item->oe_kurzbz;
-			},
-			$res
-		);
-		return $res;
+		$oe = ($res[0])->oe_kurzbz;
+		return $oe;
 	}
 
 	private function handleAdresse($requested_change, $personID)
@@ -813,7 +813,7 @@ class ProfilUpdate extends FHCAPI_Controller
 			$insert_adresse_id = $insertID;
 			$insert_adresse_id = $this->getDataOrTerminateWithError($insert_adresse_id, $this->p->t('profilUpdate', 'profilUpdate_insertAdresse_error'));
 			if ($insert_adresse_id) {
-				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $insert_adresse_id);
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $insert_adresse_id, $personID);
 			}
 		}
 		//! DELETE
@@ -825,12 +825,33 @@ class ProfilUpdate extends FHCAPI_Controller
 		}
 		//! UPDATE
 		else {
-			$requested_change['updateamum'] = "NOW()";
-			$requested_change['updatevon'] = getAuthUID();
-			$update_adresse_id = $this->AdresseModel->update($adresse_id, $requested_change);
-			$update_adresse_id = $this->getDataOrTerminateWithError($update_adresse_id, $this->p->t('profilUpdate', 'profilUpdate_updateAdresse_error'));
-			$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $update_adresse_id);
+			$curadresse_res = $this->AdresseModel->load($adresse_id);
+			$curadresse = ($this->getDataOrTerminateWithError($curadresse_res))[0];
 
+			if($curadresse->heimatadresse)
+			{
+				$tmpadresse = array_merge((array) $curadresse, $requested_change);
+				unset($tmpadresse["adresse_id"]);
+				$tmpadresse['insertamum'] = "NOW()";
+				$tmpadresse['insertvon'] = getAuthUID();
+				$tmpadresse['person_id'] = $personID;
+				unset($tmpadresse["heimatadresse"]);
+				unset($tmpadresse["updateamum"]);
+				unset($tmpadresse["updatevon"]);
+
+				$tmpadresse_res = $this->AdresseModel->insert($tmpadresse);
+				$tmpadresse_id = $this->getDataOrTerminateWithError($tmpadresse_res, $this->p->t('profilUpdate', 'profilUpdate_insertAdresse_error'));
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $tmpadresse_id, $personID);
+			}
+			else
+			{
+				$requested_change['updateamum'] = "NOW()";
+				$requested_change['updatevon'] = getAuthUID();
+
+				$update_adresse_id = $this->AdresseModel->update($adresse_id, $requested_change);
+				$update_adresse_id = $this->getDataOrTerminateWithError($update_adresse_id, $this->p->t('profilUpdate', 'profilUpdate_updateAdresse_error'));
+				$this->handleDupplicateZustellAdressen($requested_change['zustelladresse'], $update_adresse_id, $personID);
+			}
 		}
 		return $insertID ?? null;
 	}
@@ -852,7 +873,7 @@ class ProfilUpdate extends FHCAPI_Controller
 			$insert_kontakt_id = $insertID;
 			$insert_kontakt_id = $this->getDataOrTerminateWithError($insert_kontakt_id, $this->p->t('profilUpdate', 'profilUpdate_insertKontakt_error'));
 			if ($insert_kontakt_id) {
-				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $insert_kontakt_id);
+				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $insert_kontakt_id, $requested_change['kontakttyp'], $personID);
 			}
 		}
 		//! DELETE
@@ -869,18 +890,18 @@ class ProfilUpdate extends FHCAPI_Controller
 			$update_kontakt_id = $this->KontaktModel->update($kontakt_id, $requested_change);
 			$update_kontakt_id = $this->getDataOrTerminateWithError($update_kontakt_id, $this->p->t('profilUpdate', 'profilUpdate_updateKontakt_error'));
 			if ($update_kontakt_id) {
-				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $update_kontakt_id);
+				$this->handleDupplicateZustellKontakte($requested_change['zustellung'], $update_kontakt_id, $requested_change['kontakttyp'], $personID);
 			}
 		}
 		return isset($insertID) ? $insertID : null;
 	}
 
-	private function handleDupplicateZustellAdressen($zustellung, $adresse_id)
+	private function handleDupplicateZustellAdressen($zustellung, $adresse_id, $person_id)
 	{
 		if ($zustellung) {
 			$this->PersonModel->addSelect("public.tbl_adresse.adresse_id");
 			$this->PersonModel->addJoin("public.tbl_adresse", "public.tbl_adresse.person_id = public.tbl_person.person_id");
-			$zustellAdressenArray = $this->PersonModel->loadWhere(["public.tbl_person.person_id" => $this->pid, "zustelladresse" => TRUE]);
+			$zustellAdressenArray = $this->PersonModel->loadWhere(["public.tbl_person.person_id" => $person_id, "zustelladresse" => TRUE]);
 			if (isError($zustellAdressenArray)) {
 				$this->terminateWithError($this->p->t('profilUpdate', 'profilUpdate_loadingZustellAdressen_error'));
 			}
@@ -893,6 +914,8 @@ class ProfilUpdate extends FHCAPI_Controller
 					return $adresse->adresse_id != $adresse_id;
 				});
 	
+				$this->addMeta('bhzustelladressen', $zustellAdressenArray);
+
 				// remove the zustelladresse from all other zustelladressen
 				foreach ($zustellAdressenArray as $adresse) {
 					$this->AdresseModel->update($adresse->adresse_id, ["zustelladresse" => FALSE]);
@@ -902,12 +925,16 @@ class ProfilUpdate extends FHCAPI_Controller
 		}
 	}
 
-	private function handleDupplicateZustellKontakte($zustellung, $kontakt_id)
+	private function handleDupplicateZustellKontakte($zustellung, $kontakt_id, $kontakttyp, $person_id)
 	{
 		if ($zustellung) {
 			$this->PersonModel->addSelect("public.tbl_kontakt.kontakt_id");
 			$this->PersonModel->addJoin("public.tbl_kontakt", "public.tbl_kontakt.person_id = public.tbl_person.person_id");
-			$zustellKontakteArray = $this->PersonModel->loadWhere(["public.tbl_person.person_id" => $this->pid, "zustellung" => TRUE]);
+			$zustellKontakteArray = $this->PersonModel->loadWhere([
+				"public.tbl_person.person_id" => $person_id,
+				"zustellung" => TRUE,
+				"kontakttyp" => $kontakttyp
+			]);
 			if (!isSuccess($zustellKontakteArray)) {
 				return error($this->p->t('profilUpdate', 'profilUpdate_loadingZustellkontakte_error'));
 			}

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

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class DirektGruppe extends FHCAPI_Controller
+{
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'delete' => ['admin:rw', 'assistenz:rw'],
+			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+
+		$this->loadPhrases([
+			'ui'
+		]);
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('person/Benutzer_model', 'BenutzerModel');
+	}
+
+	public function add()
+	{
+		$uid = $this->input->post('uid');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		$this->checkPermission($lehreinheit_id, $uid);
+
+		$result = $this->_ci->LehreinheitgruppeModel->direktUserAdd($uid, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function delete()
+	{
+		$uid = $this->input->post('uid');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		$this->checkPermission($lehreinheit_id, $uid);
+
+		$result = $this->_ci->LehreinheitgruppeModel->direktUserDelete($uid, $lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getByLehreinheit($lehreinheit_id = null)
+	{
+		$this->checkPermission($lehreinheit_id);
+		$gruppen = $this->_ci->LehreinheitgruppeModel->getDirectGroup($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($gruppen) ? getData($gruppen) : array());
+	}
+
+	private function checkPermission($lehreinheit_id, $uid = false)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if ($uid)
+		{
+			$benuzuer_result = $this->_ci->BenutzerModel->load(array($uid));
+			if (!hasData($benuzuer_result) || isError($benuzuer_result))
+				$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+}

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

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

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

@@ -0,0 +1,195 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Gruppe extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'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'],
+			'getByLehreinheit' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('PhrasesLib');
+		$this->loadPhrases(
+			array(
+				'ui'
+			)
+		);
+
+		$this->_ci->load->model('organisation/Gruppe_model', 'GruppeModel');
+		$this->_ci->load->model('organisation/Lehrverband_model', 'LehrverbandModel');
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('person/Person_model', 'PersonModel');
+		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
+	}
+
+	public function delete()
+	{
+		$lehreinheitgruppe_id = $this->input->post('lehreinheitgruppe_id');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+
+		if (is_null($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);
+
+		$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);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->LehreinheitgruppeModel->deleteGroup($lehreinheit_id, $lehreinheitgruppe_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function add()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$gid = $this->input->post('gid');
+		$lehrverband = $this->input->post('lehrverband');
+
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id) || is_null($gid) || !ctype_digit((string)$gid) || is_null($lehrverband))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->LehreinheitgruppeModel->addGroup($lehreinheit_id, $gid, !($lehrverband === 'false'));
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getByLehreinheit($lehreinheit_id = null)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$gruppen = $this->_ci->LehreinheitgruppeModel->getByLehreinheit($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($gruppen) ? getData($gruppen) : array());
+	}
+
+	public function deleteFromLVPlan()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$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);
+
+		$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);
+
+		$this->checkPermission($lehreinheit_id);
+
+		$result = $this->_ci->StundenplandevModel->deleteGroupPlanning($lehreinheit_id, $lehreinheitgruppe_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+
+	public function getAll()
+	{
+		$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));
+
+		$gruppen_array = array();
+
+		if (isError($gruppen_result))
+			$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
+
+		if (hasData($gruppen_result))
+			$gruppen_array = getData($gruppen_result);
+
+		$this->_ci->LehrverbandModel->addSelect('CONCAT(UPPER(CONCAT(typ, kurzbz)), \'\', semester, verband, COALESCE(gruppe,\'\')) as gruppe_kurzbz,
+												studiengang_kz,
+												semester,
+												tbl_lehrverband.bezeichnung,
+												gid,
+												\'true\' as lehrverband');
+		$this->_ci->LehrverbandModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
+		$this->_ci->LehrverbandModel->addOrder('verband');
+		$this->_ci->LehrverbandModel->addOrder('gruppe');
+		$lehrverband_result = $this->_ci->LehrverbandModel->loadWhere(array('tbl_lehrverband.aktiv' => true));
+
+		$lehrverband_array = array();
+
+		if (isError($lehrverband_result))
+			$this->terminateWithError(getError($lehrverband_result), self::ERROR_TYPE_GENERAL);
+
+		if (hasData($lehrverband_result))
+			$lehrverband_array = getData($lehrverband_result);
+
+		$all_gruppen = array_merge($gruppen_array, $lehrverband_array);
+
+		$this->terminateWithSuccess($all_gruppen);
+	}
+
+	public function getBenutzer()
+	{
+		$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));
+		$this->terminateWithSuccess(hasData($personen) ? getData($personen) : array());
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+
+	private function checkPermission($lehreinheit_id)
+	{
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+
+}

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

@@ -0,0 +1,446 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lehreinheit extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw',  'assistenz:rw'],
+			'copy' => ['admin:rw',  'assistenz:rw'],
+			'delete' => ['admin:rw',  'assistenz:rw'],
+			'update' => ['admin:rw',  'assistenz:rw'],
+
+			'get' =>  ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+			'getLehrfach' => ['admin:r', 'assistenz:r'],
+			'getSprache' => ['admin:r', 'assistenz:r'],
+			'getRaumtyp' => ['admin:r', 'assistenz:r'],
+			'getLehrform' => ['admin:r', 'assistenz:r']
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->library('PhrasesLib');
+		$this->loadPhrases(
+			array(
+				'global',
+				'ui'
+			)
+		);
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehreinheitgruppe_model', 'LehreinheitgruppeModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+	}
+
+	public function get($lehreinheit_id)
+	{
+		$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+		$lehreinheit->lehrfaecher = $this->getLehrfaecher($lehreinheit);
+		$this->terminateWithSuccess($lehreinheit);
+	}
+
+	private function getLehrfaecher($lehreinheit)
+	{
+		$lehrfacher_array = array($lehreinheit->lehrfach_id);
+		$this->_ci->LehreinheitModel->addSelect('lehrveranstaltung_id_kompatibel');
+		$this->_ci->LehreinheitModel->addJoin('lehre.tbl_lehrveranstaltung_kompatibel', 'lehrveranstaltung_id');
+		$lehrfaecher = $this->_ci->LehreinheitModel->loadWhere(array('lehrveranstaltung_id' => $lehreinheit->lehrveranstaltung_id));
+
+
+		if (hasData($lehrfaecher))
+			$lehrfaecher_array = array_merge($lehrfacher_array, array_column(getData($lehrfaecher), 'lehrveranstaltung_id_kompatibel'));
+
+		$lehrfaecher_array[] = $lehreinheit->lehrveranstaltung_id;
+
+		$this->_ci->LehrveranstaltungModel->addDistinct('lehrfach_id');
+		$this->_ci->LehrveranstaltungModel->addSelect("tbl_lehrveranstaltung.lehrveranstaltung_id, CONCAT(tbl_lehrveranstaltung.bezeichnung || '(' || tbl_lehrveranstaltung.oe_kurzbz || ')') as lehrfach");
+		$this->_ci->LehrveranstaltungModel->db->where_in('tbl_lehrveranstaltung.lehrveranstaltung_id', $lehrfaecher_array);
+		$lehrfaecher_result = $this->_ci->LehrveranstaltungModel->load();
+
+		return hasData($lehrfaecher_result) ? getData($lehrfaecher_result) : array();
+	}
+
+	public function add()
+	{
+		$lehrveranstaltung_id = $this->input->post('lehrveranstaltung_id');
+
+		if (is_null($lehrveranstaltung_id) || !ctype_digit((string)$lehrveranstaltung_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehrveranstaltung_result = $this->_ci->LehrveranstaltungModel->loadWhere(array('lehrveranstaltung_id' => $lehrveranstaltung_id));
+
+		if (!hasData($lehrveranstaltung_result) || isError($lehrveranstaltung_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehrveranstaltung = getData($lehrveranstaltung_result)[0];
+
+		$oe_result = $this->_ci->LehrveranstaltungModel->getAllOe($lehrveranstaltung->lehrveranstaltung_id);
+		$oe_array = hasData($oe_result) ? array_column(getData($oe_result), 'oe_kurzbz') : array();
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$this->_ci->load->library('form_validation');
+
+		$updatableFields = array(
+			'lehrveranstaltung_id',
+			'studiensemester_kurzbz',
+			'lehrfach_id',
+			'lehrform_kurzbz',
+			'stundenblockung',
+			'wochenrythmus',
+			'gewicht',
+			'start_kw',
+			'raumtyp',
+			'raumtypalternativ',
+			'sprache',
+			'lehre',
+			'anmerkung',
+			'lvnr',
+			'unr',
+		);
+
+		foreach ($updatableFields as $field)
+		{
+			switch ($field) {
+				case 'lehrveranstaltung_id':
+					$this->form_validation->set_rules($field, 'Lehrveranstaltung ID', 'required|integer');
+					break;
+				case 'studiensemester_kurzbz':
+					$this->form_validation->set_rules($field, 'Studiensemester', 'required|max_length[16]');
+					break;
+				case 'lehrfach_id':
+					$this->form_validation->set_rules($field, 'Lehrfach ID', 'required|integer');
+					break;
+				case 'lehrform_kurzbz':
+					$this->form_validation->set_rules($field, 'Lehrform', 'required|max_length[8]');
+					break;
+				case 'stundenblockung':
+					$this->form_validation->set_rules($field, 'Stundenblockung', 'required|integer|greater_than_equal_to[0]');
+					break;
+				case 'wochenrythmus':
+					$this->form_validation->set_rules($field, 'Wochenrhytmus', 'required|integer|greater_than_equal_to[0]');
+					break;
+				case 'start_kw':
+					$this->form_validation->set_rules($field, 'Start KW', 'integer|greater_than[0]|less_than_equal_to[53]');
+					break;
+				case 'gewicht':
+					$this->form_validation->set_rules($field, 'Gewicht', 'numeric');
+					break;
+				case 'raumtyp':
+					$this->form_validation->set_rules($field, 'Raumtyp', 'required|max_length[16]');
+					break;
+				case 'raumtypalternativ':
+					$this->form_validation->set_rules($field, 'Raumtyp Alternativ', 'required|max_length[16]');
+					break;
+				case 'sprache':
+					$this->form_validation->set_rules($field, 'Sprache', 'required|max_length[16]');
+					break;
+				case 'lvnr':
+					$this->form_validation->set_rules($field, 'LVNR', 'integer');
+					break;
+				case 'unr':
+					$this->form_validation->set_rules($field, 'UNR', 'integer');
+					break;
+				case 'lehre':
+					$this->form_validation->set_rules($field, 'Lehre', 'trim');
+					break;
+				case 'anmerkung':
+					$this->form_validation->set_rules($field, 'Anmerkung', 'trim');
+					break;
+			}
+		}
+
+		if ($this->form_validation->run() === false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$updateData = array();
+		foreach ($updatableFields as $field)
+		{
+			$value = $this->input->post($field);
+
+			if ($value !== null)
+			{
+				$updateData[$field] = $value;
+			}
+		}
+
+		$updateData['insertvon'] = $this->_uid;
+		$updateData['insertamum'] = date('Y-m-d H:i:s');
+
+		$result = $this->_ci->LehreinheitModel->insert(
+			$updateData
+		);
+
+		if (!isset($updateData['unr']))
+		{
+			$unr = getData($result);
+			$this->_ci->LehreinheitModel->update($unr, array('unr' => $unr));
+		}
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function copy()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$art = $this->input->post('art');
+
+		$lehreinheit_old = $this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_old->lehreinheit_id);
+
+		$lehreinheit_new = $lehreinheit_old;
+
+		$lehreinheit_new->unr = null;
+		unset($lehreinheit_new->lehreinheit_id);
+		$lehreinheit_new->updateamum = date('Y-m-d H:i:s');
+		$lehreinheit_new->updatevon = $this->_uid;
+		$lehreinheit_new->insertamum = date('Y-m-d H:i:s');
+		$lehreinheit_new->insertvon = $this->_uid;
+
+		$insert_result = $this->_ci->LehreinheitModel->insert($lehreinheit_new);
+
+		if (isError($insert_result))
+			$this->terminateWithError(getError($insert_result), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_id_new = getData($insert_result);
+
+		$this->_ci->LehreinheitModel->update(array('lehreinheit_id' => $lehreinheit_id_new), array('unr' => $lehreinheit_id_new));
+		if (in_array($art, array('gruppen', 'alle')))
+		{
+			$gruppen_result = $this->_ci->LehreinheitgruppeModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id));
+
+			if (isError($gruppen_result))
+				$this->terminateWithError(getError($gruppen_result), self::ERROR_TYPE_GENERAL);
+
+			if (hasData($gruppen_result))
+			{
+				$gruppen = getData($gruppen_result);
+
+				foreach ($gruppen as $gruppe)
+				{
+					$gruppe_new = $gruppe;
+					unset($gruppe_new->lehreinheitgruppe_id);
+					$gruppe_new->lehreinheit_id = $lehreinheit_id_new;
+					$gruppe_new->insertamum = date('Y-m-d H:i:s');
+					$gruppe_new->insertvon = $this->_uid;
+					$gruppe_new->updateamum = date('Y-m-d H:i:s');
+					$gruppe_new->updatevon = $this->_uid;
+
+					$gruppe_new_result = $this->_ci->LehreinheitgruppeModel->insert($gruppe_new);
+
+					if (isError($gruppe_new_result))
+						$this->terminateWithError(getError($gruppe_new_result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+		}
+
+		if (in_array($art, array('lektoren', 'alle')))
+		{
+			$lektoren_result = $this->_ci->LehreinheitmitarbeiterModel->loadWhere(array('lehreinheit_id' => $lehreinheit_id));
+
+			if (isError($lektoren_result))
+				$this->terminateWithError(getError($lektoren_result), self::ERROR_TYPE_GENERAL);
+
+			if (hasData($lektoren_result))
+			{
+				$lektoren = getData($lektoren_result);
+
+				foreach ($lektoren as $lektor)
+				{
+
+					$lektor_new = $lektor;
+					$lektor_new->lehreinheit_id = $lehreinheit_id_new;
+					$lektor_new->insertamum = date('Y-m-d H:i:s');
+					$lektor_new->insertvon = $this->_uid;
+					$lektor_new->updateamum = date('Y-m-d H:i:s');
+					$lektor_new->updatevon = $this->_uid;
+					unset($lektor_new->vertrag_id);
+
+					$lektor_new_result = $this->_ci->LehreinheitmitarbeiterModel->insert((array)$lektor_new);
+
+					if (isError($lektor_new_result))
+						$this->terminateWithError(getError($lektor_new_result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+		}
+
+		$this->terminateWithSuccess("Erfolgeich gespeichert");
+	}
+
+	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);
+
+		if (isError($result))
+			$this->terminateWithValidationErrors(getError($result));
+
+		$this->terminateWithSuccess('Erfolgreich geloescht');
+	}
+
+	public function update()
+	{
+		$lehreinheit = $this->checkLehreinheit($this->input->post('lehreinheit_id'));
+
+		$this->checkPermission($lehreinheit->lehreinheit_id);
+
+		$this->_ci->load->library('form_validation');
+
+		$formData = $this->input->post('formData');
+
+		$updatableFields = array(
+			'lehrveranstaltung_id',
+			'studiensemester_kurzbz',
+			'lehrfach_id',
+			'lehrform_kurzbz',
+			'stundenblockung',
+			'wochenrythmus',
+			'gewicht',
+			'start_kw',
+			'raumtyp',
+			'raumtypalternativ',
+			'sprache',
+			'lehre',
+			'anmerkung',
+			'lvnr',
+			'unr',
+		);
+
+		$this->form_validation->set_data($formData);
+
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				switch ($field)
+				{
+					case 'lehrveranstaltung_id':
+						$this->form_validation->set_rules($field, 'Lehrveranstaltung ID', 'required|integer');
+						break;
+					case 'studiensemester_kurzbz':
+						$this->form_validation->set_rules($field, 'Studiensemester', 'required|max_length[16]');
+						break;
+					case 'lehrfach_id':
+						$this->form_validation->set_rules($field, 'Lehrfach ID', 'required|integer');
+						break;
+					case 'lehrform_kurzbz':
+						$this->form_validation->set_rules($field, 'Lehrform', 'required|max_length[8]');
+						break;
+					case 'stundenblockung':
+						$this->form_validation->set_rules($field, 'Stundenblockung', 'required|integer|greater_than_equal_to[0]');
+						break;
+					case 'wochenrythmus':
+						$this->form_validation->set_rules($field, 'Wochenrhytmus', 'required|integer|greater_than_equal_to[0]');
+						break;
+					case 'start_kw':
+						$this->form_validation->set_rules($field, 'Start KW', 'integer|greater_than[0]|less_than_equal_to[53]');
+						break;
+					case 'gewicht':
+						$this->form_validation->set_rules($field, 'Gewicht', 'numeric|greater_than_equal_to[0]');
+						break;
+					case 'raumtyp':
+						$this->form_validation->set_rules($field, 'Raumtyp', 'required|max_length[16]');
+						break;
+					case 'raumtypalternativ':
+						$this->form_validation->set_rules($field, 'Raumtyp Alternativ', 'required|max_length[16]');
+						break;
+					case 'sprache':
+						$this->form_validation->set_rules($field, 'Sprache', 'required|max_length[16]');
+						break;
+					case 'lvnr':
+						$this->form_validation->set_rules($field, 'LVNR', 'integer');
+						break;
+					case 'unr':
+						$this->form_validation->set_rules($field, 'UNR', 'integer|greater_than_equal_to[0]');
+						break;
+					case 'lehre':
+						$this->form_validation->set_rules($field, 'Lehre', 'trim');
+						break;
+					case 'anmerkung':
+						$this->form_validation->set_rules($field, 'Anmerkung', 'trim');
+						break;
+				}
+			}
+		}
+
+		if ($this->form_validation->run() === false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$updateData = [];
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				$updateData[$field] = $formData[$field];
+			}
+		}
+
+
+		$updateData['updatevon'] = $this->_uid;
+		$updateData['updateamum'] = date('Y-m-d H:i:s');
+		$result = $this->_ci->LehreinheitModel->update(
+			[
+				'lehreinheit_id' => $this->input->post('lehreinheit_id'),
+			],
+			$updateData
+		);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		$this->terminateWithSuccess($this->p->t('global', 'gespeichert'));
+	}
+
+
+	private function checkPermission($lehreinheit_id)
+	{
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		if (!$this->_ci->permissionlib->isBerechtigtMultipleOe('admin', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('assistenz', $oe_array, 'suid') &&
+			!$this->_ci->permissionlib->isBerechtigtMultipleOe('lv-plan', $oe_array, 'suid'))
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+	}
+	private function checkLehreinheit($lehreinheit_id)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return getData($lehreinheit_result)[0];
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

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

@@ -0,0 +1,409 @@
+<?php
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Lektor extends FHCAPI_Controller
+{
+	private $_uid;
+	private $_ci;
+	public function __construct()
+	{
+		parent::__construct([
+			'add' => ['admin:rw', 'assistenz:rw'],
+			'update' => ['admin:rw', 'assistenz:rw'],
+			'cancelVertrag' => ['admin:rw', 'assistenz:rw'],
+			'deleteLVPlan' => ['admin:rw', 'assistenz:rw'],
+			'deletePerson' => ['admin:rw', 'assistenz:rw'],
+			'getLehrfunktionen' => ['admin:r', 'assistenz:r'],
+			'getLektoren' => ['admin:r', 'assistenz:r'],
+			'getLektorenByLE' => ['admin:r', 'assistenz:r'],
+			'getLektorDaten' => ['admin:r', 'assistenz:r'],
+			'getLektorVertrag' => ['admin:r', 'assistenz:r'],
+
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+		$this->_ci->load->library('PermissionLib');
+		$this->_ci->load->library('LektorLib');
+		$this->_ci->load->library('form_validation');
+		$this->loadPhrases([
+			'ui'
+		]);
+
+		$this->_ci->load->model('accounting/Vertrag_model', 'VertragModel');
+		$this->_ci->load->model('ressource/Mitarbeiter_model', 'MitarbeiterModel');
+		$this->_ci->load->model('education/lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehreinheitmitarbeiter_model', 'LehreinheitmitarbeiterModel');
+		$this->_ci->load->model('ressource/stundenplandev_model', 'StundenplandevModel');
+		$this->_ci->load->model('ressource/Stundensatz_model', 'StundensatzModel');
+
+	}
+
+	private function checkMitarbeiter($mitarbeiter_uid)
+	{
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+	}
+
+	public function add()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkMitarbeiter($mitarbeiter_uid);
+		$lehrfach_permission = $this->checkLehrfachPermission($lehreinheit_id, array('assistenz', 'admin'));
+		$lehreinheit_permission = $this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (!$lehrfach_permission && !$lehreinheit_permission)
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$result = $this->_ci->lektorlib->addLektorToLehreinheit($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($result)) $this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess("Erfolgreich gespeichert");
+	}
+
+	public function update()
+	{
+		$formData = $this->input->post('formData');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkMitarbeiter($mitarbeiter_uid);
+
+		$updatableFields = array(
+			'lehrfunktion_kurzbz',
+			'planstunden',
+			'stundensatz',
+			'faktor',
+			'anmerkung',
+			'bismelden',
+			'semesterstunden',
+			'mitarbeiter_uid'
+		);
+
+		$this->form_validation->set_data($formData);
+
+		foreach ($updatableFields as $field)
+		{
+			if (array_key_exists($field, $formData))
+			{
+				switch ($field)
+				{
+					case 'lehrfunktion_kurzbz':
+						$this->form_validation->set_rules($field, 'Lehrfunktion', 'required|max_length[16]');
+						break;
+					case 'planstunden':
+						$this->form_validation->set_rules($field, 'Planstunden', 'integer|greater_than_equal_to[0]');
+						break;
+					case 'stundensatz':
+						$formData['stundensatz'] = str_replace(',', '.', $formData['stundensatz']);
+						$this->form_validation->set_rules($field, 'Stundensatz', 'callback__check_stundensatz');
+						break;
+					case 'faktor':
+						$this->form_validation->set_rules($field, 'Faktor', 'numeric|greater_than_equal_to[0]');
+						break;
+					case 'anmerkung':
+						$this->form_validation->set_rules($field, 'Anmerkung', 'max_length[256]');
+						break;
+					case 'bismelden':
+						$this->form_validation->set_rules($field, 'Bis Melden', 'trim');
+						break;
+					case 'semesterstunden':
+						$formData['semesterstunden'] = str_replace(',', '.', $formData['semesterstunden']);
+						$this->form_validation->set_rules($field, 'Semesterstunden', 'callback__check_semesterstunden');
+						break;
+					case 'mitarbeiter_uid':
+						$this->form_validation->set_rules($field, 'Semesterstunden', 'required|max_length[32]');
+						break;
+				}
+			}
+		}
+		if (!$this->form_validation->run())
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		if (isset($formData['semesterstunden']) && (!is_numeric($formData['semesterstunden']) || $formData['semesterstunden'] === ''))
+		{
+			$formData['semesterstunden'] = null;
+		}
+
+		$lehreinheit_permission = $this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (!$lehreinheit_permission)
+			$this->terminateWithError($this->p->t('ui', 'error_fieldWriteAccess'));
+
+		$result = $this->_ci->lektorlib->updateLektorFromLehreinheit($lehreinheit_id, $mitarbeiter_uid, $formData);
+
+		if (isError($result)) $this->terminateWithError(getError($result));
+		$this->terminateWithSuccess($result);
+	}
+
+	public function _check_stundensatz($value)
+	{
+		$value = str_replace(',', '.', $value);
+
+		if (!is_numeric($value))
+		{
+			$this->form_validation->set_message('_check_decimal', 'Das Feld {field} muss eine Zahl sein.');
+			return false;
+		}
+
+		if ($value < 0 || $value >= 10000) {
+			$this->form_validation->set_message('_check_decimal', 'Das Feld {field} muss zwischen 0 und 10000 liegen.');
+			return false;
+		}
+
+		return true;
+	}
+	public function _check_semesterstunden($value)
+	{
+		if ($value === null || $value === '') {
+			return true;
+		}
+
+		if (!is_numeric($value))
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} muss eine Zahl sein.'
+			);
+			return false;
+		}
+
+		if ($value < 0)
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} muss eine Zahl größer oder gleich 0 sein.'
+			);
+			return false;
+		}
+		if ($value > 999.99)
+		{
+			$this->form_validation->set_message(
+				'_check_semesterstunden',
+				'Das Feld {field} darf maximal 999,99 betragen.'
+			);
+			return false;
+		}
+
+		return true;
+	}
+	public function getLehrfunktionen()
+	{
+		$this->_ci->load->model('education/Lehrfunktion_model', 'LehrfunktionModel');
+		$this->_ci->LehrfunktionModel->addOrder('lehrfunktion_kurzbz');
+		$this->terminateWithSuccess(getData($this->_ci->LehrfunktionModel->load()));
+	}
+
+	public function getLektoren()
+	{
+		$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))));
+	}
+
+	private function checkLehreinheit($lehreinheit_id)
+	{
+		if (is_null($lehreinheit_id) || !ctype_digit((string)$lehreinheit_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$lehreinheit_result = $this->_ci->LehreinheitModel->load($lehreinheit_id);
+
+		if (!hasData($lehreinheit_result) || isError($lehreinheit_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		return getData($lehreinheit_result)[0];
+
+	}
+	public function getLektorenByLE($lehreinheit_id = null)
+	{
+		$this->checkLehreinheit($lehreinheit_id);
+		$le_mitarbeiter_data = $this->_ci->LehreinheitmitarbeiterModel->getLektorenByLe($lehreinheit_id);
+		$this->terminateWithSuccess(hasData($le_mitarbeiter_data) ? getData($le_mitarbeiter_data) : array());
+	}
+
+	public function getLektorDaten($lehreinheit_id = null, $mitarbeiter_uid = null)
+	{
+		$lehreinheit = $this->checkLehreinheit($lehreinheit_id);
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$this->load->model('organisation/Studiensemester_model','StudiensemesterModel');
+		$studiensemester_result = $this->_ci->StudiensemesterModel->loadWhere(array('studiensemester_kurzbz' => $lehreinheit->studiensemester_kurzbz));
+		$studiensemester = getData($studiensemester_result)[0];
+
+		$defaultStundensatz = $this->_ci->StundensatzModel->getDefaultStundensatz($mitarbeiter_uid, $studiensemester->start, $studiensemester->ende, 'lehre');
+
+		$le_mitarbeiter_result = $this->_ci->LehreinheitmitarbeiterModel->getByLeLektor($lehreinheit_id, $mitarbeiter_uid);
+
+		$le_mitarbeiter_data = array();
+		if (hasData($le_mitarbeiter_result))
+		{
+			$le_mitarbeiter_data = getData($le_mitarbeiter_result)[0];
+			$le_mitarbeiter_data->default_stundensatz = $defaultStundensatz;
+		}
+		$vertrag = $this->getLektorVertrag($lehreinheit_id, $mitarbeiter_uid);
+		$le_mitarbeiter_data->vertrag = $vertrag;
+		$this->terminateWithSuccess($le_mitarbeiter_data);
+	}
+
+	private function getLektorVertrag($lehreinheit_id = null, $mitarbeiter_uid = null)
+	{
+		$this->_ci->load->model('accounting/Vertrag_model', 'VertragModel');
+		$vertrag = $this->_ci->VertragModel->getVertrag($mitarbeiter_uid, $lehreinheit_id);
+		return hasData($vertrag) ? getData($vertrag)[0] : null;
+	}
+
+	private function checkLehrfachPermission($lehreinheit_id, $permissions)
+	{
+		$lehrfach_oe_kurzbz = $this->_ci->LehreinheitModel->getLehrfachOe($lehreinheit_id);
+
+		if (isError($lehrfach_oe_kurzbz))
+			$this->terminateWithError(getError($lehrfach_oe_kurzbz), self::ERROR_TYPE_GENERAL);
+
+		$lehrfach_oe_kurzbz = array('');
+		if (hasData($lehrfach_oe_kurzbz))
+			$lehrfach_oe_kurzbz = array_column(getData($lehrfach_oe_kurzbz), 'oe_kurzbz');
+
+
+		return $this->checkPermissionGenerel($permissions, $lehrfach_oe_kurzbz);
+	}
+
+	private function checkPermissionGenerel($permissions, $oe_array)
+	{
+		$hasPermission = false;
+		foreach ($permissions as $permission)
+		{
+			if ($this->_ci->permissionlib->isBerechtigtMultipleOe($permission, $oe_array, 'suid'))
+			{
+				$hasPermission = true;
+				break;
+			}
+		}
+
+		return $hasPermission;
+	}
+
+	private function checkPermission($lehreinheit_id, $permissions)
+	{
+		$result = $this->_ci->LehreinheitModel->getOes($lehreinheit_id);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+
+		$oe_array = [];
+		if (hasData($result))
+			$oe_array = getData($result);
+
+		return $this->checkPermissionGenerel($permissions, $oe_array);
+	}
+	public function cancelVertrag()
+	{
+		$vertrag_id = $this->input->post('vertrag_id');
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('admin', 'lehre/lehrauftrag_bestellen'));
+
+		if (is_null($vertrag_id) || !ctype_digit((string)$vertrag_id))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$vertrag_result = $this->_ci->VertragModel->load($vertrag_id);
+
+		if (!hasData($vertrag_result) || isError($vertrag_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError( $this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$result = $this->_ci->VertragModel->cancelVertrag($vertrag_id, $mitarbeiter_uid);
+
+		if (isError($result))
+			$this->terminateWithError(getError($result));
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function deletePerson()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('admin', 'assistenz', 'lv-plan'));
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$delete_result =$this->_ci->LehreinheitmitarbeiterModel->deleteLektorFromLe($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($delete_result))
+			$this->terminateWithError(getError($delete_result));
+
+		$this->terminateWithSuccess($delete_result);
+	}
+
+	public function deleteLVPlan()
+	{
+		$lehreinheit_id = $this->input->post('lehreinheit_id');
+		$mitarbeiter_uid = $this->input->post('mitarbeiter_uid');
+
+		$this->checkLehreinheit($lehreinheit_id);
+		$this->checkPermission($lehreinheit_id, array('lv-plan/lektorentfernen'));
+
+		if (is_null($mitarbeiter_uid))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+		$mitarbeiter_result = $this->_ci->MitarbeiterModel->load($mitarbeiter_uid);
+
+		if (!hasData($mitarbeiter_result) || isError($mitarbeiter_result))
+			$this->terminateWithError($this->p->t('ui', 'ungueltigeParameter'), self::ERROR_TYPE_GENERAL);
+
+
+		$delete_result = $this->_ci->StundenplandevModel->deleteLektorPlanning($lehreinheit_id, $mitarbeiter_uid);
+
+		if (isError($delete_result))
+			$this->terminateWithError(getError($delete_result));
+
+		$this->terminateWithSuccess($delete_result);
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

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

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Copyright (C) 2025 fhcomplete.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Setup extends FHCAPI_Controller
+{
+	private $_ci;
+	private $_uid;
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getTabs' => ['admin:r', 'assistenz:r'],
+			'getStudiensemester' => ['admin:r', 'assistenz:r'],
+			'getSprache' => ['admin:r', 'assistenz:r'],
+			'getRaumtyp' => ['admin:r', 'assistenz:r'],
+			'getLehrform' => ['admin:r', 'assistenz:r'],
+		]);
+
+		$this->_ci = &get_instance();
+		$this->_setAuthUID();
+
+		$this->_ci->load->model('education/Lehreinheit_model', 'LehreinheitModel');
+		$this->_ci->load->model('education/Lehrveranstaltung_model', 'LehrveranstaltungModel');
+
+		$this->_ci->load->library('VariableLib', ['uid' => $this->_uid]);
+	}
+
+	public function getTabs()
+	{
+		$tabs['details'] = array (
+			'title' =>  'Details',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Details.js',
+			'config' => []
+		);
+		$tabs['gruppen'] = array (
+			'title' =>  'Gruppen',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Gruppen.js',
+			'config' => []
+		);
+		$tabs['lektor'] = array (
+			'title' =>  'LektorInnenzuteilung',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Lektor.js',
+			'config' => []
+		);
+		$tabs['notiz'] = array (
+			'title' =>  'Notizen',
+			'component' => APP_ROOT . 'public/js/components/LVVerwaltung/Tabs/Notiz.js',
+			'config' => []
+		);
+		$this->terminateWithSuccess($tabs);
+	}
+
+	public function getStudiensemester()
+	{
+		$this->_ci->load->model('organisation/Studiensemester_model', 'StudiensemesterModel');
+		$this->_ci->StudiensemesterModel->addOrder('start', 'DESC');
+		$this->terminateWithSuccess(getData($this->_ci->StudiensemesterModel->load()));
+	}
+	public function getSprache()
+	{
+		$this->_ci->load->model('system/Sprache_model', 'SpracheModel');
+		$this->terminateWithSuccess(getData($this->_ci->SpracheModel->load()));
+	}
+
+	public function getRaumtyp()
+	{
+		$this->_ci->load->model('ressource/Raumtyp_model', 'RaumtypModel');
+		$this->_ci->RaumtypModel->addOrder('raumtyp_kurzbz');
+		$this->terminateWithSuccess(getData($this->_ci->RaumtypModel->loadWhere(array('aktiv' => true))));
+	}
+
+	public function getLehrform()
+	{
+		$language = $this->_getLanguageIndex();
+
+		$this->_ci->load->model('codex/lehrform_model', 'LehrformModel');
+
+		$this->_ci->LehrformModel->addSelect(
+			'*,
+			bezeichnung_kurz[('.$language.')] as bez_kurz,
+			bezeichnung_lang[('.$language.')] as bez
+			'
+		);
+		$this->terminateWithSuccess(getData($this->_ci->LehrformModel->load()));
+	}
+
+	private function _getLanguageIndex()
+	{
+		$this->_ci->load->model('system/Sprache_model', 'SpracheModel');
+		$this->_ci->SpracheModel->addSelect('index');
+		$result = $this->_ci->SpracheModel->loadWhere(array('sprache' => getUserLanguage()));
+
+		return hasData($result) ? getData($result)[0]->index : 1;
+	}
+
+	private function _setAuthUID()
+	{
+		$this->_uid = getAuthUID();
+
+		if (!$this->_uid)
+			show_error('User authentification failed');
+	}
+}

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

@@ -0,0 +1,117 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class StgTree extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+		$router = load_class('Router');
+		$permissions[$router->method] = ['admin:r', 'assistenz:r'];
+		parent::__construct($permissions);
+
+		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+	}
+
+	public function _remap($method, $params = [])
+	{
+		if ($method == '' || $method == 'index')
+			return $this->getBase();
+
+		if (!$this->permissionlib->isBerechtigt('assistenz', 's', $method)
+			&& !$this->permissionlib->isBerechtigt('admin', 's', $method)
+		) {
+			return $this->_outputAuthError([$method => ['admin:r', 'assistenz:r']]);
+		}
+
+		return $this->getStudiengang($method);
+		show_404();
+	}
+
+	protected function getBase()
+	{
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addDistinct();
+		$this->StudiengangModel->addSelect("v.studiengang_kz AS link");
+		$this->StudiengangModel->addSelect(
+			"CONCAT(kurzbzlang, ' (', UPPER(CONCAT(typ, kurzbz)), ') - ', tbl_studiengang.bezeichnung) AS name",
+			false
+		);
+		$this->StudiengangModel->addSelect('erhalter_kz');
+		$this->StudiengangModel->addSelect('typ');
+		$this->StudiengangModel->addSelect('kurzbz');
+		$this->StudiengangModel->addSelect('studiengang_kz');
+		$this->StudiengangModel->addSelect('studiengang_kz AS stg_kz');
+
+		$this->StudiengangModel->addOrder('erhalter_kz');
+		$this->StudiengangModel->addOrder('typ');
+		$this->StudiengangModel->addOrder('kurzbz');
+
+		$stgs = $this->permissionlib->getSTG_isEntitledFor('admin') ?: [];
+		$stgs = array_merge($stgs, $this->permissionlib->getSTG_isEntitledFor('assistenz') ?: []);
+
+		if (!$stgs)
+			$this->terminateWithSuccess([]);
+
+		$this->StudiengangModel->db->where_in('studiengang_kz', $stgs);
+
+		$result = $this->StudiengangModel->loadWhere(['v.aktiv' => true]);
+
+		$list = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($list);
+	}
+
+	protected function getStudiengang($studiengang_kz)
+	{
+		$link = $studiengang_kz . '/';
+
+		$this->StudiengangModel->addJoin('public.tbl_lehrverband v', 'studiengang_kz');
+
+		$this->StudiengangModel->addDistinct();
+		$this->StudiengangModel->addSelect("CONCAT(" . $this->StudiengangModel->escape($link) . ", semester) AS link", false);
+		$this->StudiengangModel->addSelect("CONCAT(UPPER(CONCAT(typ, kurzbz)), '-', semester, (SELECT CASE WHEN bezeichnung IS NULL OR bezeichnung='' THEN ''::TEXT ELSE CONCAT(' (', bezeichnung, ')') END FROM public.tbl_lehrverband WHERE studiengang_kz=v.studiengang_kz AND semester=v.semester ORDER BY verband, gruppe LIMIT 1)) AS name", false);
+		$this->StudiengangModel->addSelect("TRUE AS leaf", false);
+
+		$this->StudiengangModel->addSelect('semester');
+		$this->StudiengangModel->addSelect($this->StudiengangModel->escape($studiengang_kz) . '::integer AS stg_kz', false);
+
+		$this->StudiengangModel->addOrder('semester');
+
+		$result = $this->StudiengangModel->loadWhere([
+			'v.studiengang_kz' => $studiengang_kz,
+			'v.aktiv' => true
+		]);
+		$list = $this->getDataOrTerminateWithError($result);
+
+		$result = $this->StudiengangModel->load($studiengang_kz);
+		$result = $this->getDataOrTerminateWithError($result);
+		if ($result)
+		{
+			if (current($result)->mischform)
+			{
+				$this->load->model('organisation/Studienordnung_model', 'StudienordnungModel');
+
+				$this->StudienordnungModel->addDistinct();
+				$this->StudienordnungModel->addSelect("CONCAT(studiengang_kz, '/', p.orgform_kurzbz) AS link");
+				$this->StudienordnungModel->addSelect("p.orgform_kurzbz AS name");
+				$this->StudienordnungModel->addSelect("TRUE as leaf", false);
+
+				$this->StudienordnungModel->addJoin('lehre.tbl_studienplan p', 'studienordnung_id');
+
+				$result = $this->StudienordnungModel->loadWhere([
+					'aktiv' => true,
+					'studiengang_kz' => $studiengang_kz,
+					'p.orgform_kurzbz !=' => 'DDP'
+				]);
+				$result = $this->getDataOrTerminateWithError($result);
+
+				$list = array_merge($list, $result);
+			}
+		}
+
+		$this->terminateWithSuccess($list);
+	}
+}

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

@@ -0,0 +1,50 @@
+<?php
+
+if (!defined('BASEPATH'))
+	exit('No direct script access allowed');
+
+class Tags extends Tag_Controller
+{
+	const BERECHTIGUNG_KURZBZ = ['admin:rw', 'assistenz:rw'];
+
+	public function __construct()
+	{
+		parent::__construct([
+			'getTag' => self::BERECHTIGUNG_KURZBZ,
+			'getTags' => self::BERECHTIGUNG_KURZBZ,
+			'addTag' => self::BERECHTIGUNG_KURZBZ,
+			'updateTag' => self::BERECHTIGUNG_KURZBZ,
+			'doneTag' => self::BERECHTIGUNG_KURZBZ,
+			'deleteTag' => self::BERECHTIGUNG_KURZBZ,
+			'updateLehre' => self::BERECHTIGUNG_KURZBZ,
+			'doneLehre' => self::BERECHTIGUNG_KURZBZ,
+			'deleteLehre' => self::BERECHTIGUNG_KURZBZ,
+		]);
+
+		$this->config->load('lvverwaltung');
+	}
+	public function getTag($readonly_tags = null)
+	{
+		parent::getTag($this->config->item('lvverwaltung_tags'));
+	}
+	public function getTags($tags = null)
+	{
+		parent::getTags($this->config->item('lvverwaltung_tags'));
+	}
+	public function addTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::addTag(true, $this->config->item('lvverwaltung_tags'));
+	}
+	public function updateTag($updatable_tags = null)
+	{
+		parent::updateTag($this->config->item('lvverwaltung_tags'));
+	}
+	public function deleteTag($withZuordnung = true, $updatable_tags = null)
+	{
+		parent::deleteTag(true, $this->config->item('lvverwaltung_tags'));
+	}
+	public function doneTag($updatable_tags = null)
+	{
+		parent::doneTag($this->config->item('lvverwaltung_tags'));
+	}
+}

application/controllers/api/frontend/v1/notiz/NotizLehreinheit.php

@@ -0,0 +1,21 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class NotizLehreinheit extends Notiz_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getUid' => ['admin:r', 'assistenz:r'],
+			'getNotizen' => ['admin:r', 'assistenz:r'],
+			'loadNotiz' => ['admin:r', 'assistenz:r'],
+			'addNewNotiz' => ['admin:rw', 'assistenz:rw'],
+			'updateNotiz' => ['admin:rw', 'assistenz:rw'],
+			'deleteNotiz' => ['admin:rw', 'assistenz:rw'],
+			'loadDokumente' => ['admin:r', 'assistenz:r'],
+			'getMitarbeiter' => ['admin:r', 'assistenz:r'],
+			'isBerechtigt' => ['admin:r', 'assistenz:r'],
+		]);
+	}
+}

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

@@ -184,7 +184,9 @@ class Config extends FHCAPI_Controller
 			return $result;
 		});
 
-		$this->terminateWithSuccess($result);
+		$sortConfig = $this->config->item('student_tab_order');
+
+		$this->terminateWithSuccess($this->sortTabList($result, $sortConfig));
 	}
 
 	public function students()
@@ -231,7 +233,9 @@ class Config extends FHCAPI_Controller
 			return $result;
 		});
 
-		$this->terminateWithSuccess($result);
+		$sortConfig = $this->config->item('students_tab_order');
+
+		$this->terminateWithSuccess($this->sortTabList($result, $sortConfig));
 	}
 
 	protected function kontoColumns()
@@ -507,4 +511,34 @@ class Config extends FHCAPI_Controller
 
 		return $list;
 	}
+
+	/**
+	 * Sort tab list
+	 *
+	 * @param array		$input
+	 * @param array		$config
+	 *
+	 * @return array
+	 */
+	protected function sortTabList($input, $config)
+	{
+		// prepare config
+		if (!$config || !is_array($config))
+			$config = [];
+		else
+			$config = array_flip($config);
+
+		// fill missing items in config
+		foreach (array_keys($input) as $key) {
+			if (!isset($config[$key]))
+				$config[$key] = count($config);
+		}
+
+		// do the sorting
+		uksort($input, function ($a, $b) use ($config) {
+			return $config[$a] - $config[$b];
+		});
+		
+		return $input;
+	}
 }

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

@@ -60,17 +60,6 @@ class Favorites extends FHCAPI_Controller
 
 		$favorites = $this->input->post('favorites');
 
-		$removed = [];
-		while (strlen($favorites) > 64) {
-			$favObj = json_decode($favorites);
-			if (!$favObj->list)
-				break;
-			$removed[] = array_shift($favObj->list);
-			$favorites = json_encode($favObj);
-		}
-		if ($removed)
-			$this->addMeta('removed', $removed);
-
 		$result = $this->VariableModel->setVariable(getAuthUID(), 'stv_favorites', $favorites);
 
 		$this->getDataOrTerminateWithError($result);

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

@@ -434,7 +434,10 @@ class Kontakt extends FHCAPI_Controller
 		$this->FirmaModel->addJoin('public.tbl_firma f', 'ON (f.firma_id = st.firma_id)', 'LEFT');
 		$this->KontakttypModel->addJoin('public.tbl_kontakttyp kt', 'ON (public.tbl_kontakt.kontakttyp = kt.kontakttyp)');
 		$result = $this->KontaktModel->loadWhere(
-			array('person_id' => $person_id)
+			array(
+				'person_id' => $person_id,
+				'public.tbl_kontakt.kontakttyp !=' => 'hidden'
+			)
 		);
 
 		if (isError($result))
@@ -442,20 +445,18 @@ class Kontakt extends FHCAPI_Controller
 			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
 		}
 		$this->terminateWithSuccess((getData($result) ?: []));
+
 	}
 
 	public function getKontakttypen()
 	{
 		$this->load->model('person/Kontakttyp_model', 'KontakttypModel');
+		$this->KontakttypModel->addOrder('beschreibung', 'ASC');
+		$result = $this->KontakttypModel->loadWhere(array('kontakttyp !=' => 'hidden'));
 
-		$result = $this->KontakttypModel->load();
-		if (isError($result)) {
-			$this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-		}
-		else
-		{
-			$this->terminateWithSuccess(getData($result) ?: []);
-		}
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
 	}
 
 	public function loadContact()

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

@@ -352,7 +352,7 @@ class Konto extends FHCAPI_Controller
 				continue;
 			}
 
-
+			
 			$result = $this->KontoModel->insert([
 				'person_id' => $buchung['person_id'],
 				'studiengang_kz' => $buchung['studiengang_kz'],
@@ -361,7 +361,7 @@ class Konto extends FHCAPI_Controller
 				'buchungstyp_kurzbz' => $buchung['buchungstyp_kurzbz'],
 				'credit_points' => $buchung['credit_points'],
 				'zahlungsreferenz' => $buchung['zahlungsreferenz'],
-				'betrag' => $betrag,
+				'betrag' => number_format($betrag, 2, '.', ''),
 				'buchungsdatum' => $buchungsdatum,
 				'mahnspanne' => '0',
 				'buchungsnr_verweis' => $buchung['buchungsnr'],

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

@@ -138,13 +138,24 @@ class Prestudent extends FHCAPI_Controller
 		{
 			$val = $this->input->post($prop, true);
 
-			if ($val !== null || $prop === 'foerderrelevant') {
+			if ($val !== null) {
+				if(in_array($prop, ['dual', 'bismelden', 'foerderrelevant']))
+				{
+					$val = boolval($val);
+				}
+				elseif (
+					$val === ''
+					&& in_array($prop, ['zgvnation', 'zgvmanation', 'zgvdoktornation', 'berufstaetigkeit_code', 'ausbildungcode'])
+				)
+				{
+					$val = null;
+				}
 				$update_prestudent[$prop] = $val;
 			}
 
 			// allowed to be null, but has to be in postparameter
 			if (
-				in_array($prop, ['zgvdatum', 'zgvmadatum', 'zgvdoktordatum', 'zgv_code', 'zgvmas_code', 'zgvdoktor_code'])
+				in_array($prop, ['foerderrelevant', 'zgvdatum', 'zgvmadatum', 'zgvdoktordatum', 'zgv_code', 'zgvmas_code', 'zgvdoktor_code'])
 				&& !isset($update_prestudent[$prop])
 				&& array_key_exists($prop, $_POST)
 			)

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

@@ -286,11 +286,11 @@ class Status extends FHCAPI_Controller
 		]);
 
 		$this->form_validation->set_rules('_default', '', [
-			['meldestichtag_not_exceeded', function () use ($datum, $isBerechtigtNoStudstatusCheck) {
+			['meldestichtag_not_exceeded', function () use ($datum_string, $isBerechtigtNoStudstatusCheck) {
 				if ($isBerechtigtNoStudstatusCheck)
 					return true; // Skip if access right says so
 
-				$result = $this->prestudentstatuschecklib->checkIfMeldestichtagErreicht($datum);
+				$result = $this->prestudentstatuschecklib->checkIfMeldestichtagErreicht($datum_string);
 
 				return !$this->getDataOrTerminateWithError($result);
 			}],
@@ -733,8 +733,9 @@ class Status extends FHCAPI_Controller
 				);
 
 			$result = $this->prestudentstatuschecklib->checkIfMeldestichtagErreicht($oldstatus->datum);
+			$isMeldestichtagErreicht = $this->getDataOrTerminateWithError($result);
 
-			if (!$this->getDataOrTerminateWithError($result))
+			if ($isMeldestichtagErreicht)
 				$this->terminateWithError(
 					$this->p->t('lehre', 'error_dataVorMeldestichtag'),
 					self::ERROR_TYPE_GENERAL,

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

@@ -276,7 +276,17 @@ class Student extends FHCAPI_Controller
 		$update_person = array();
 		foreach ($array_allowed_props_person as $prop) {
 			$val = $this->input->post($prop);
-			if ($val !== null) {
+			if ($val === null)
+			{
+				continue;
+			}
+			if($prop == 'foto')
+			{
+				$fotoval = ($val == '') ? null : str_replace('data:image/jpeg;base64,', '', $val);
+				$update_person[$prop] = $fotoval;
+			}
+			else
+			{
 				$update_person[$prop] = $val;
 			}
 		}

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

@@ -188,6 +188,7 @@ class Verband extends FHCAPI_Controller
 		array_unshift($list, [
 			'name' => 'PreStudent',
 			'link' => $link . 'prestudent',
+			'stg_kz' => (int)$studiengang_kz,
 			'children' => $this->getStdSem($link . 'prestudent/', $studiengang_kz)
 		]);