BewerberZuStudent: new action turnIntoStudent

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

@@ -11,14 +11,17 @@ class Status extends FHCAPI_Controller
 		parent::__construct([
 			'getHistoryPrestudent' => ['admin:r', 'assistenz:r'],
 			'addNewStatus' => ['admin:r', 'assistenz:r', 'student/keine_studstatuspruefung'],
+			'turnIntoStudent' => ['admin:r', 'assistenz:r', 'student/keine_studstatuspruefung'],
 			'getStatusgruende' => self::PERM_LOGGED,
 			'getLastBismeldestichtag' => self::PERM_LOGGED,
 			'isLastStatus' => self::PERM_LOGGED,
+			'isErsterStudent' => self::PERM_LOGGED,
 			'deleteStatus' => ['admin:r','assistenz:r'],
 			'loadStatus' => ['admin:r', 'assistenz:r'],
 			'updateStatus' => ['admin:r', 'assistenz:r'],
 			'advanceStatus' => ['admin:r', 'assistenz:r'],
-			'confirmStatus' => ['admin:r', 'assistenz:r']
+			'confirmStatus' => ['admin:r', 'assistenz:r'],
+
 		]);
 
 		//Load Models
@@ -91,6 +94,23 @@ class Status extends FHCAPI_Controller
 		return $this->terminateWithSuccess($result);
 	}
 
+	public function isErsterStudent($prestudent_id)
+	{
+		//check if studentrolle already exists
+		$this->load->model('crm/Student_model','StudentModel');
+		$result = $this->StudentModel->checkIfExistingStudentRolle($prestudent_id);
+		if (isError($result))
+		{
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		if($result->retval == "0")
+		{
+			return $this->terminateWithSuccess($result);
+		}
+		return $this->terminateWithSuccess($result);
+
+	}
+
 	public function addNewStatus($prestudent_id)
 	{
 		//get Studiengang von prestudent_id
@@ -129,7 +149,7 @@ class Status extends FHCAPI_Controller
 		$statusgrund_id = $this->input->post('statusgrund_id');
 		$rt_stufe = $this->input->post('rt_stufe');
 		$bestaetigtvon = $uid;
-		$name = $this->input->post('name');
+		//$name = $this->input->post('name');
 
 		//Form Validation
 		$this->load->library('form_validation');
@@ -213,6 +233,7 @@ class Status extends FHCAPI_Controller
 		}
 		$result = current(getData($result));
 		$typ = $result->typ;
+		//$stgkzl = $result->kurzbz;
 
 		if(!defined("ZGV_CHECK") || ZGV_CHECK)
 		{
@@ -413,14 +434,248 @@ class Status extends FHCAPI_Controller
 					]
 				);
 
-				if (isError($result)) {
+				if (isError($result))
+				{
 					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
-				} else
+				}
+				else
 					$this->terminateWithSuccess($prestudent_id);
 			}
 		}
 	}
 
+	public function turnIntoStudent($prestudent_id)
+	{
+		//get Studiengang von prestudent_id
+		$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+		$this->PrestudentModel->addJoin('public.tbl_person p', 'ON (p.person_id = public.tbl_prestudent.person_id)');
+		$this->PrestudentModel->addJoin('public.tbl_studiengang sg', 'ON (sg.studiengang_kz = public.tbl_prestudent.studiengang_kz)');
+		$result = $this->PrestudentModel->load([
+			'prestudent_id' => $prestudent_id,
+		]);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+		$result = current(getData($result));
+
+		$stg = $result->studiengang_kz;
+		$stgkzl = $result->kurzbz;
+		$person_id = $result->person_id;
+
+		if (!$this->permissionlib->isBerechtigt('admin', 'suid', $stg) && !$this->permissionlib->isBerechtigt('assistenz', 'suid', $stg)) {
+			$result = $this->p->t('lehre', 'error_keineSchreibrechte');
+
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
+
+		$uid = getAuthUID();
+		$status_kurzbz = $this->input->post('status_kurzbz');
+		$ausbildungssemester = $this->input->post('ausbildungssemester');
+		$bestaetigtam = $this->input->post('bestaetigtam');
+		$studiensemester_kurzbz = $this->input->post('studiensemester_kurzbz');
+		$bestaetigtvon = $uid;
+
+		//Form Validation
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('ausbildungssemester', 'Ausbildungssemester', 'integer', [
+			'integer' => $this->p->t('ui', 'error_fieldNotInteger', ['field' => 'Ausbildungssemester'])
+		]);
+
+		if (!$this->form_validation->run())
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+
+		//GET lastStatus
+		$result = $this->PrestudentstatusModel->getLastStatus($prestudent_id);
+
+		if (isError($result)) {
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		} elseif (!hasData($result)) {
+			$lastStatusData = [];
+		} else
+			$lastStatusData = current(getData($result));
+
+		//check if studentrolle already exists
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->checkIfExistingStudentRolle($prestudent_id);
+		if (isError($result)) {
+			return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+		}
+		if ($result->retval == "0") {
+			$isStudent = false;
+		} else
+			$isStudent = true;
+
+		if (!$isStudent) {
+			//check if bewerberstatus exists
+			$result = $result = $this->prestudentstatuschecklib->checkIfExistingBewerberstatus($prestudent_id);
+			if (isError($result)) {
+				return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+			}
+
+			//Check ZGV
+			if ($status_kurzbz == Prestudentstatus_model::STATUS_BEWERBER) {
+				$result = $this->prestudentstatuschecklib->checkIfZGVEingetragen($prestudent_id);
+				if (isError($result)) {
+					return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+
+			//Check ZGV-Master
+			$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
+			$result = $this->StudiengangModel->load([
+				'studiengang_kz' => $stg
+			]);
+			if (isError($result)) {
+				$this->output->set_status_header(REST_Controller::HTTP_INTERNAL_SERVER_ERROR);
+				return $this->outputJson(getError($result));
+			}
+			$result = current(getData($result));
+			$typ = $result->typ;
+
+			if (!defined("ZGV_CHECK") || ZGV_CHECK) {
+				if ($status_kurzbz == Prestudentstatus_model::STATUS_BEWERBER && $typ == 'm') {
+					$result = $this->prestudentstatuschecklib->checkIfZGVEingetragen($prestudent_id, $typ);
+					if (isError($result)) {
+						return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+					}
+				}
+			}
+
+			//checkIf Kaution bezahlt
+			//TODO(Manu)
+
+			//generate Personenkennzeichen(matrikelnr)
+			//TODO(manu) check if generateMatrikelnummer verwenden or use new version2 (with Type Param)
+			$resultMat = $this->StudentModel->generateMatrikelnummer2($stg, $studiensemester_kurzbz, $typ);
+			if (isError($resultMat)) {
+				return $this->terminateWithError($resultMat, self::ERROR_TYPE_GENERAL);
+			}
+			$matrikelnr = getData($resultMat);
+			$jahr = mb_substr($matrikelnr, 0, 2);
+
+			//generate UID
+			//TODO(Manu) check ausbildungssemester: testfall prestudent_id 26381
+			$resultUid = $this->StudentModel->generateUID($stgkzl, $jahr, $typ, $matrikelnr);
+			if (isError($resultMat)) {
+				return $this->terminateWithError("in generateUid" . $resultUid, self::ERROR_TYPE_GENERAL);
+			}
+			$uidStudent = getData($resultUid);
+
+			//Check for additional logic (config entries, addons)
+			//TODO(Manu) check include/tw/generatematrikelnr.inc.php
+			//(1) addons durchsuchen, ob eigene Logik für Matrikelnr-erstellung existiert
+			//Default: keine Matrikelnummer wird generiert
+
+			//(2) personenkz = uid
+			if (defined('SET_UID_AS_PERSONENKENNZEICHEN') && SET_UID_AS_PERSONENKENNZEICHEN) {
+				$matrikelnr = $uidStudent;
+			}
+
+			//(3) Matrikelnummer = uid
+			if (defined('SET_UID_AS_MATRIKELNUMMER') && SET_UID_AS_MATRIKELNUMMER) {
+				//update person
+				$result = $this->PersonModel->update(
+					[
+						'person_id' => $person_id,
+					],
+					[
+						'matr_nr' => $uidStudent,
+					]
+				);
+				if (isError($result)) {
+					return $this->terminateWithError("uidAsMatrikelnummer" . getError($result), self::ERROR_TYPE_GENERAL);
+				}
+			}
+
+			//TODO(Manu) check if benutzer already exists ok?
+			//person kann mehrere Benutzer haben...
+			//add benutzerdatensatz mit Aktierungscode
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->checkIfExistingBenutzer($person_id);
+			if (isError($result)) {
+				return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+			}
+			if ($result->retval == "0") {
+
+				//activation key
+				$aktivierungscode = null;
+				$result = $this->BenutzerModel->generateActivationKey();
+				if (isError($result)) {
+					return $this->terminateWithError("in Error " . $result, self::ERROR_TYPE_GENERAL);
+				}
+				$aktivierungscode = getData($result);
+
+
+				//Alias generieren
+				$result = $this->PersonModel->generateAliasByPersonId($person_id);
+				if (isError($result)) {
+					return $this->terminateWithError("in generate alias " . $result, self::ERROR_TYPE_GENERAL);
+				}
+				$alias = getData($result) ?: null;
+				$alias = $alias->retval[0];
+
+				$sanitizedVorname = $this->_sanitizeAliasName($alias->vorname);
+				$sanitizedNachname = $this->_sanitizeAliasName($alias->nachname);
+
+				// Erstelle den Alias
+				$alias = $sanitizedVorname . '.' . $sanitizedNachname;
+
+				if (isError($result)) {
+					return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+				}
+
+				$result = $this->BenutzerModel->insert(
+					[
+						'person_id' => $person_id,
+						'uid' => $uidStudent,
+						'aktiv' => true,
+						'aktivierungscode' => $aktivierungscode,
+						'alias' => $alias,
+						'insertvon' => $uid,
+						'insertamum' => date('c'),
+					]
+				);
+
+				if (isError($result)) {
+					return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+				}
+
+			} else
+				return $this->terminateWithError("Benutzer already existing" . $person_id, self::ERROR_TYPE_GENERAL);
+
+			//Student anlegen
+			$result = $this->StudentModel->insert(
+				[
+					'student_uid' => $uidStudent,
+					'prestudent_id' => $prestudent_id,
+					'matrikelnr' => $matrikelnr,
+					'studiengang_kz' => $stg,
+					'semester' => $ausbildungssemester,
+					'verband' => '',
+					'gruppe' => '',
+					'insertvon' => $uid,
+					'insertamum' => date('c')
+				]
+			);
+			if (isError($result))
+			{
+				return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+			}
+
+			$this->load->library('PrestudentLib');
+			$result = $this->prestudentlib->setFirstStudent($prestudent_id, $studiensemester_kurzbz, $ausbildungssemester, null, $bestaetigtam, $bestaetigtvon, $stg, $uidStudent);
+
+			if (isError($result)) {
+				return $this->terminateWithError(getError($result), self::ERROR_TYPE_GENERAL);
+			} else
+				$this->terminateWithSuccess($prestudent_id);
+
+		}
+	}
+
 	public function loadStatus()
 	{
 		$_POST = json_decode(utf8_encode($this->input->raw_input_stream), true);
@@ -1331,4 +1586,10 @@ class Status extends FHCAPI_Controller
 		}
 		return $this->outputJsonSuccess(true);
 	}
+
+	private function _sanitizeAliasName($str)
+	{
+		$str = sanitizeProblemChars($str);
+		return mb_strtolower(str_replace(' ','_', $str));
+	}
 }

application/libraries/PrestudentLib.php

@@ -421,7 +421,6 @@ class PrestudentLib
 		return success();
 	}
 
-
 	public function setStudent($prestudent_id, $studiensemester_kurzbz, $ausbildungssemester, $statusgrund_id, $bestaetigtAm, $bestaetigtVon)
 	{
 		$insertvon = getAuthUID();
@@ -522,6 +521,101 @@ class PrestudentLib
 		return success();
 	}
 
+	public function setFirstStudent($prestudent_id, $studiensemester_kurzbz, $ausbildungssemester, $statusgrund_id, $bestaetigtAm, $bestaetigtVon, $stg_kz, $uidStudent)
+	{
+		$insertvon = getAuthUID();
+
+		$result = $this->_ci->PrestudentstatusModel->getLastStatus($prestudent_id);
+		if (isError($result))
+			return $result;
+		$resultStatus = getData($result);
+
+		//check if ausbildungssemester is last
+		$this->_ci->StudiengangModel->addJoin('public.tbl_prestudent p', 'studiengang_kz');
+		$resultStg = $this->_ci->StudiengangModel->loadWhere(['p.prestudent_id' => $prestudent_id]);
+		if(isError($resultStg))
+			return $resultStg;
+/*		if(!hasData($resultStg))
+			return error($this->_ci->p->t('studierendenantrag', 'error_no_stg_for_prestudent', [
+				'prestudent_id' => $prestudent_id
+			]));*/
+
+
+		$studiengang = current(getData($resultStg)) ?: null;
+
+		$prestudent_status = ($resultStatus[0]);
+		if(!$prestudent_status)
+		{
+			return error($this->_ci->p->t('studierendenantrag', 'error_no_prestudent_in_sem', [
+				'prestudent_id' => $prestudent_id,
+				'studiensemester_kurzbz' => $studiensemester_kurzbz
+			]));
+		}
+
+/*		$result = $this->_ci->StudentModel->loadWhere(['prestudent_id' => $prestudent_id]);
+
+		if (isError($result))
+			return $result;
+		$result = getData($result);
+		if (!$result)
+			return error($this->_ci->p->t('studierendenantrag', 'error_no_student_for_prestudent', ['prestudent_id' => $prestudent_id]));
+
+		$student = current($result);*/
+
+		//Status updaten
+		$result = $this->_ci->PrestudentstatusModel->insert([
+			'prestudent_id' => $prestudent_id,
+			'status_kurzbz' => Prestudentstatus_model::STATUS_STUDENT,
+			'studiensemester_kurzbz' => $studiensemester_kurzbz,
+			'ausbildungssemester' => $ausbildungssemester,
+			'datum' => date('c'),
+			'insertvon' => $insertvon,
+			'insertamum' => date('c'),
+			'orgform_kurzbz'=> $prestudent_status->orgform_kurzbz,
+			'studienplan_id'=> $prestudent_status->studienplan_id,
+			'bestaetigtvon' => $bestaetigtVon,
+			'bestaetigtam' => $bestaetigtAm
+		]);
+
+		if (isError($result))
+			return $result;
+
+/*		$result = $this->_ci->StudentModel->checkIfUid($prestudent_id);
+		if (isError($result)) {
+			return $result;
+		}
+		$student_uid = $result->retval;*/
+
+		//load student
+/*		$result = $this->_ci->StudentModel->loadWhere(
+			array(
+				'student_uid' => $uidStudent
+			)
+		);
+		if (isError($result))
+		{
+			return $result;
+		}
+
+		$studentData = current(getData($result) ? : []);*/
+		$verband = '';
+		$gruppe = '';
+		$studiengang_kz = $stg_kz;
+
+		//process studentlehrverband
+		$this->_ci->load->model('education/Studentlehrverband_model', 'StudentlehrverbandModel');
+		$result = $this->_ci->StudentlehrverbandModel->processStudentlehrverband(
+			$uidStudent,
+			$studiengang_kz,
+			$ausbildungssemester,
+			$verband,
+			$gruppe,
+			$studiensemester_kurzbz
+		);
+
+		return success();
+	}
+
 	public function setDiplomand($prestudent_id, $studiensemester_kurzbz, $ausbildungssemester)
 	{
 		$insertvon = getAuthUID();

application/models/crm/Student_model.php

@@ -43,9 +43,106 @@ class Student_model extends DB_Model
 			$max = 0;
 
 		$max += 1;
+
 		return $matrikelnummer.sprintf("%03d", $max);
 	}
 
+	// ****
+	// * Generiert die Matrikelnummer
+	// * FORMAT: 0710254001
+	// * 07 = Jahr
+	// * 1/2/0  = WS/SS/incoming
+	// * 0254 = Studiengangskennzahl vierstellig
+	// * 001 = Laufende Nummer
+	// * copy of generateMatrikelnummer plus
+	// * logic FH Burgenland
+	// ****
+	public function generateMatrikelnummer2($studiengang_kz, $studiensemester_kurzbz, $typ = null)
+	{
+		// Validierung der Eingabewerte
+		if (strlen($studiensemester_kurzbz) < 6) {
+			throw new InvalidArgumentException("Ungültiges studiensemester_kurzbz Format.");
+		}
+
+		$jahr = mb_substr($studiensemester_kurzbz, 4);
+		$art = substr($studiensemester_kurzbz, 0, 2);
+
+		if (($studiengang_kz < 0) || (isset($typ) && ($typ == 'l')))
+		{
+			$studiengang_kz=abs($studiengang_kz);
+			//Lehrgang
+			switch($art)
+			{
+				case 'WS': $art = '3'; break;
+				case 'SS': $art = '4'; break;
+				default: $art = '0'; break;
+			}
+		}
+		else
+		{
+			//Studiengang
+			switch($art)
+			{
+				case 'WS': $art = '1'; break;
+				case 'SS': $art = '2'; break;
+				default: $art = '0'; break;
+			}
+		}
+		if($art=='2' || $art=='4')
+			$jahr = $jahr-1;
+
+		//FH-Burgenland - weil leider die AO Studiengänge aufgeteilt sind
+		//(AO sind normal 9+erhalter Nummer, matrikelnr/personenkz wird auch im DVUH Extension berücksichtigt)
+		if ($studiengang_kz >= 90010 && $studiengang_kz <= 90019)
+		{
+			$matrikelnummer = sprintf("%02d",$jahr).$art.substr($studiengang_kz, 0, 4);
+		}
+		else
+		{
+			$matrikelnummer = sprintf("%02d",$jahr).$art.sprintf("%04d",$studiengang_kz);
+		}
+
+		$qry = "SELECT matrikelnr FROM public.tbl_student WHERE matrikelnr LIKE ? ORDER BY matrikelnr DESC LIMIT 1";
+		$matrikelnrres = $this->execQuery($qry, array($matrikelnummer.'%'));
+
+		$max = 0;
+		if ($matrikelnrres && hasData($matrikelnrres)) {
+			$max = mb_substr($matrikelnrres->retval[0]->matrikelnr, 7);
+			if (!is_numeric($max)) {
+				$max = 0;
+			}
+		}
+
+		$max += 1;
+		return success ($matrikelnummer.sprintf("%03d", $max));
+	}
+
+	// ****
+	// * Generiert die UID
+	// * FORMAT: el07b001
+	// * $stgkzl: el = studiengangskuerzel
+	// * $jahr: 07 = Jahr
+	// * $stgtyp: b/m/d/x = Bachelor/Master/Diplom/Incoming
+	// * $matrikelnummer
+	// * 001 = Laufende Nummer  Wenn StSem==SS dann wird zur Nummer 500 dazugezaehlt
+	// * Bei Incoming im Masterstudiengang wird auch 500 dazugezaehlt
+	// ****
+	function generateUID($stgkzl, $jahr, $stgtyp, $matrikelnummer)
+	{
+		$art = mb_substr($matrikelnummer, 2, 1);
+		$nr = mb_substr($matrikelnummer, mb_strlen(trim($matrikelnummer))-3);
+		if($art=='2') //Sommersemester
+			$nr = $nr+500;
+		elseif($art=='0' && $stgtyp=='m') //Incoming im Masterstudiengang
+			$nr = $nr+500;
+		elseif($art=='4' && $stgtyp=='l') // Lehrgangsteilnehmer im Sommersemester
+			$nr = $nr+500;
+
+
+		return success (mb_strtolower($stgkzl.$jahr.($art!='0'?$stgtyp:'x').$nr));
+	}
+
+
 	/**
 	 * Get students UID by PrestudentID.
 	 * @param $prestudent_id

application/models/person/Benutzer_model.php

@@ -89,9 +89,31 @@ class Benutzer_model extends DB_Model
 			if (hasData($aliasexists) && !getData($aliasexists)[0])
 				$aliasres = $alias;
 		}
+
 		return success($aliasres);
 	}
 
+	/**
+	 * Generates alias for a uid.
+	 * @param $uid
+	 * @return array the alias if newly generated
+	 */
+	public function generateAliasByPersonId($person_id)
+	{
+		$sql = 'SELECT p.vorname, p.nachname
+				FROM public.tbl_person p
+				where person_id = ?';
+
+		$nameresult = $this->execQuery($sql, array($person_id));
+
+		$nameresult = getData($nameresult) ?: null;
+
+	//	if($aliasdata)
+	//		$alias = $this->_sanitizeAliasName($aliasdata->vorname).'.'.$this->_sanitizeAliasName($aliasdata->nachname);
+
+		return success($nameresult->vorname . " " . $nameresult->nachname);
+	}
+
 	// --------------------------------------------------------------------------------------------
 	// Private methods
 
@@ -105,4 +127,58 @@ class Benutzer_model extends DB_Model
 		$str = sanitizeProblemChars($str);
 		return mb_strtolower(str_replace(' ','_', $str));
 	}
+
+	/**
+	 * Generiert einen Aktivierungscode
+	 */
+	function generateActivationKey()
+	{
+		$keyvalues=array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
+		$key='';
+		for($i=0;$i<32;$i++)
+			$key.=$keyvalues[mt_rand(0,15)];
+
+		return success(md5(encryptData(uniqid(mt_rand(), true),$key)));
+	}
+
+	/**
+	 * Check if Benutzer already exists
+	 * @param integer $person_id
+	 * @return 0 if not exists, 1 if it does
+	 */
+	public function checkIfExistingBenutzer($person_id)
+	{
+		$qry = "SELECT 
+    				count(*) as anzahl 
+				FROM 
+				    public.tbl_benutzer 
+				WHERE 
+				    person_id = ? ";
+
+		$result = $this->execQuery($qry, array($person_id));
+
+		if (isError($result))
+		{
+			return error($result);
+		}
+		else
+		{
+			$resultObject = current(getData($result));
+
+			if (property_exists($resultObject, 'anzahl')) {
+				$resultValue = (int) $resultObject->anzahl;
+
+				if ($resultValue > 0)
+				{
+					return success("1");
+				}
+				else
+				{
+					return success("0");
+				}
+			} else {
+				return error("BenutzerModel: Error During Check if Existing Benutzer.");
+			}
+		}
+	}
 }

application/models/person/Notiz_model.php

@@ -180,7 +180,6 @@ class Notiz_model extends DB_Model
 		{
 			$notiz_id = $result->retval;
 
-			//TODO(Manu) neue Function assign Notiz
 			if($type == "software_id")
 			{
 				// Loads extension Model

application/models/person/Person_model.php

@@ -374,5 +374,54 @@ class Person_model extends DB_Model
 			'prestudent_id' => $prestudent_id
 		]);
 	}
+
+	public function generateAliasByPersonId($person_id)
+	{
+
+		$this->addSelect('vorname, nachname');
+
+		return success ($this->loadWhere(array('person_id' => $person_id)));
+	}
+
+/*	public function generateAliasByPersonId($person_id)
+	{
+
+		$this->addSelect('vorname, nachname');
+
+		$result = $this->loadWhere(array('person_id' => $person_id));
+
+		// Überprüfe, ob ein Ergebnis zurückgegeben wurde
+		if ($result) {
+			$result = getData($result);
+			$result = $result->retval[0];
+			$vorname = $result->vorname;
+			$nachname = $result->nachname;
+
+			// Sanitize the extracted names
+			$sanitizedVorname = $this->sanitizeAliasName($vorname);
+			$sanitizedNachname = $this->sanitizeAliasName($nachname);
+
+			// Erstelle den Alias
+			$alias = $sanitizedVorname . '.' . $sanitizedNachname;
+
+			// Gib den Erfolg zurück mit dem generierten Alias
+			return success($alias);
+		} else {
+				// Falls kein Ergebnis gefunden wurde, gib einen Fehler zurück
+				return error('Person not found');
+			}
+
+	}*/
+
+	/**
+	 * Sanitizes a string used for alias. Replaces special characters, spaces, sets lower case.
+	 * @param string $str
+	 * @return string
+	 */
+	public function sanitizeAliasName($str)
+	{
+		$str = sanitizeProblemChars($str);
+		return success (mb_strtolower(str_replace(' ','_', $str)));
+	}
 }