Merge branch 'feature-55992/FHC4_Studierendenverwaltung_Messaging' into merge_FHC4_55354_55991_55992_60874_60875_61229_61230_61231

application/controllers/NeueNachricht.php

@@ -0,0 +1,30 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+class NeueNachricht extends Auth_Controller
+{
+	public function __construct()
+	{
+		$permissions = [];
+		$router = load_class('Router');
+		$permissions[$router->method] = ['vertrag/mitarbeiter:r'];
+		parent::__construct($permissions);
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+	}
+
+	/**
+	 * @return void
+	 */
+	public function _remap()
+	{
+		//now working
+		$this->load->view('Nachrichten', [
+			'permissions' => [
+				'assistenz_schreibrechte' => $this->permissionlib->isBerechtigt('assistenz','suid'),
+			]
+		]);
+	}
+}

application/controllers/api/frontend/v1/messages/Messages.php

@@ -0,0 +1,458 @@
+<?php
+
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Messages extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getMessages' => ['admin:r', 'assistenz:r'],
+			'getVorlagen' => ['admin:r', 'assistenz:r'],
+			'getMessageVarsPerson' => ['admin:r', 'assistenz:r'],
+			'getMsgVarsPrestudent' => ['admin:r', 'assistenz:r'],
+			'getMsgVarsLoggedInUser' => ['admin:r', 'assistenz:r'],
+			'getNameOfDefaultRecipient' => ['admin:r', 'assistenz:r'],
+			'sendMessage' => ['admin:r', 'assistenz:r'],
+			'deleteMessage' => ['admin:r', 'assistenz:r'],
+			'getVorlagentext' => ['admin:r', 'assistenz:r'],
+			'getPreviewText' => ['admin:r', 'assistenz:r'],
+			'getReplyData' => ['admin:r', 'assistenz:r'],
+			'getPersonId' => ['admin:r', 'assistenz:r'],
+			'getUid' => ['admin:r', 'assistenz:r'],
+		]);
+
+		//Load Models
+		$this->load->model('system/Message_model', 'MessageModel');
+		$this->load->model('CL/Messages_model', 'MessagesModel');
+
+		// Additional Permission Checks
+		//TODO(manu) check permissions
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+		$this->load->library('MessageLib');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui'
+		]);
+	}
+
+	public function getMessages($id, $type_id, $size, $page)
+	{
+		if($type_id != 'person_id'){
+			$id = $this->_getPersonId($id, $type_id);
+		}
+
+		$offset = $size * ($page - 1);
+		$limit = $size;
+
+		$result = $this->MessageModel->getMessagesForTable($id, $offset, $limit);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->addMeta('count', $data['count']);
+
+		$this->terminateWithSuccess($data['data']);
+	}
+
+	public function getVorlagen()
+	{
+		//get oe of user
+		$uid = getAuthUID();
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+		$result = $this->BenutzerfunktionModel->getBenutzerfunktionByUid($uid, 'oezuordnung');
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$oe_kurzbz = current($data);
+
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz->oe_kurzbz);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+
+		//If admin
+		$this->VorlageModel->addOrder('vorlage_kurzbz', 'ASC');
+		$result = $this->VorlageModel->loadWhere(
+			array(
+				'mimetype' => 'text/html'
+			));
+
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getVorlagentext($vorlage_kurzbz)
+	{
+		//$this->terminateWithError("vor " . $vorlage_kurzbz, self::ERROR_TYPE_GENERAL);
+		//$studiengang_kz = 227; //TODO(Manu) dynamisieren NULL
+		$studiengang_kz = 0;
+		$this->load->model('system/Vorlagestudiengang_model', 'VorlagestudiengangModel');
+		$this->VorlagestudiengangModel->addOrder('version', 'DESC');
+
+		$result = $this->VorlagestudiengangModel->loadWhere(
+			[
+				'vorlage_kurzbz' =>$vorlage_kurzbz,
+				'studiengang_kz' => $studiengang_kz
+			]);
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		//not correct with Vorlage
+		$vorlage = current($data);
+
+		//$this->terminateWithSuccess($data);
+		$this->terminateWithSuccess($vorlage->text);
+	}
+
+	public function getMessageVarsPerson($id, $typeId)
+	{
+		$person_id = ($typeId == 'mitarbeiter_uid') ? $this->_getPersonId($id, $typeId) : $id;
+		$result = $this->MessageModel->getMsgVarsDataByPersonId($person_id);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getMsgVarsPrestudent($id, $typeId)
+	{
+		$prestudent_id = ($typeId == 'uid') ? $this->_getPrestudentIdFromUid($id) : $id;
+		$result = $this->MessageModel->getMsgVarsDataByPrestudentId($prestudent_id);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getMsgVarsLoggedInUser()
+	{
+		$result = $this->MessageModel->getMsgVarsLoggedInUser();
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getNameOfDefaultRecipient($id, $type_id)
+	{
+		$id = ($type_id != 'person_id') ? $this->_getPersonId($id, $type_id) : $id;
+
+		$this->load->model('person/Person_model', 'PersonModel');
+
+		$result = $this->PersonModel->load($id);
+		$data = $this->getDataOrTerminateWithError($result);
+		$name = current($data);
+
+		$this->terminateWithSuccess($name->vorname . " " . $name->nachname );
+	}
+
+	public function sendMessage($recipient_id)
+	{
+		//has to be uid
+	//	$this->terminateWithError("uid", $recipient_id, self::ERROR_TYPE_GENERAL);
+
+		//default setting
+		$receiversPersonId = $this->_getPersonId($recipient_id, 'uid');
+
+		$uid = getAuthUID();
+		$this->load->model('person/Benutzer_model', 'BenutzerModel');
+		$result = $this->BenutzerModel->loadWhere(
+			['uid' => $uid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$benutzer = current($data);
+
+		if (isset($_POST['data']))
+		{
+			$data = json_decode($_POST['data']);
+			unset($_POST['data']);
+			foreach ($data as $k => $v) {
+				$_POST[$k] = $v;
+			}
+		}
+
+		$this->load->library('form_validation');
+
+		$this->form_validation->set_rules('subject', 'Betreff', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Betreff'])
+		]);
+
+		$this->form_validation->set_rules('body', 'Text', 'required', [
+			'required' => $this->p->t('ui', 'error_fieldRequired', ['field' => 'Text'])
+		]);
+
+		if ($this->form_validation->run() == false)
+		{
+			$this->terminateWithValidationErrors($this->form_validation->error_array());
+		}
+
+		$subject = $this->input->post('subject');
+		$body = $this->input->post('body');
+		$relationmessage_id = $this->input->post('relationmessage_id');
+
+		$typeId = $this->input->post('type_id');
+		$id = $this->input->post('id');
+
+		if($typeId == 'uid')
+		{
+			$prestudent_id = $this-> _getPrestudentIdFromUid($id);
+
+			//parseMessagetext for variables Prestudent
+			$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $body);
+			$bodyParsed = $this->getDataOrTerminateWithError($result);
+		}
+		if($typeId == 'mitarbeiter_uid')
+		{
+			$person_id = $this->_getPersonId($id, $typeId);
+
+			$result = $this->MessagesModel->parseMessageTextPerson($person_id, $body);
+			$bodyParsed = $this->getDataOrTerminateWithError($result);
+			$this->terminateWithError($bodyParsed, self::ERROR_TYPE_GENERAL);
+
+		}
+		elseif($typeId == 'person_id')
+		{
+			$result = $this->MessagesModel->parseMessageTextPerson($id, $body);
+			$bodyParsed = $this->getDataOrTerminateWithError($result);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+		//	$this->terminateWithError("prestudent_id ", self::ERROR_TYPE_GENERAL);
+
+			$result = $this->MessagesModel->parseMessageTextPrestudent($id, $body);
+			$bodyParsed = $this->getDataOrTerminateWithError($result);
+		}
+		else
+		{
+			$this->terminateWithError("type_id " . $typeId . " not valid", self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->messagelib->sendMessageUser($receiversPersonId, $subject, $bodyParsed, $benutzer->person_id, null, $relationmessage_id);
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getPreviewText($id, $type_id)
+	{
+		if (isset($_POST['data']))
+		{
+			$data = json_decode($_POST['data']);
+			unset($_POST['data']);
+		}
+		else
+			$this->terminateWithError("Textbody missing ", self::ERROR_TYPE_GENERAL);
+
+		switch($type_id)
+		{
+			case 'uid':
+				$prestudent_id = $this->_getPrestudentIdFromUid($id);
+				$result = $this->MessagesModel->parseMessageTextPrestudent($prestudent_id, $data);
+				break;
+			case 'prestudent_id':
+				$result = $this->MessagesModel->parseMessageTextPrestudent($id, $data);
+				break;
+			case 'person_id':
+				$result = $this->MessagesModel->parseMessageTextPerson($id, $data);
+				break;
+			case 'mitarbeiter_uid':
+				{
+					$person_id = $this->_getPersonId($id, $type_id);
+					$result = $this->MessagesModel->parseMessageTextPerson($person_id, $data);
+				}
+				break;
+			default:
+				$this->terminateWithError("MESSAGES::getPreviewText logic for type_id " . $type_id . " not defined yet", self::ERROR_TYPE_GENERAL);
+				break;
+		}
+
+		$bodyParsed = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($bodyParsed);
+	}
+
+	public function getReplyData($messageId)
+	{
+		//TODO(Manu) validation of messageId: if number
+
+		$this->MessageModel->addSelect('public.tbl_msg_message.*');
+		$this->MessageModel->addSelect('r.*');
+		$this->MessageModel->addSelect('p.nachname');
+		$this->MessageModel->addSelect('p.vorname');
+		$this->MessageModel->addJoin('public.tbl_msg_recipient r', 'ON (r.message_id = public.tbl_msg_message.message_id)');
+		$this->MessageModel->addJoin('public.tbl_person p', 'ON (p.person_id = public.tbl_msg_message.person_id)');
+
+		$result = $this->MessageModel->loadWhere(
+			array('r.message_id' => $messageId)
+		);
+
+		$dataMessage = $this->getDataOrTerminateWithError($result);
+		$prefix = "Re: "; // reply subject prefix
+
+		$subject = $dataMessage[0]->subject;
+		$body = $dataMessage[0]->body;
+
+
+		$replyBody = $this->_getReplyBody($body, $dataMessage[0]->nachname, $dataMessage[0]->vorname, $dataMessage[0]->insertamum);
+
+		$dataMessage[0]->replyBody = $replyBody;
+		$dataMessage[0]->rest = "Help Manu";
+		$dataMessage[0]->replySubject = $prefix . $subject;
+
+		$this->terminateWithSuccess($dataMessage);
+	}
+
+	public function deleteMessage($messageId)
+	{
+		// Start DB transaction
+		$this->db->trans_begin();
+
+		$result = $this->MessageModel->deleteMessageRecipient($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+
+		}
+
+		$result = $this->MessageModel->deleteMessageStatus($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$result = $this->MessageModel->deleteMessage($messageId);
+		if (isError($result)) {
+			return $this->terminateWithError($result, self::ERROR_TYPE_GENERAL);
+		}
+
+		$this->db->trans_commit();
+
+		$this->terminateWithSuccess($result);
+	}
+
+	public function getPersonId($id, $typeId)
+	{
+		if ($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['uid' => $id]
+			);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			$result = $this->PrestudentModel->loadWhere(
+				['prestudent_id' => $id]
+			);
+		}
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$person = current($data);
+
+		$this->terminateWithSuccess($person->person_id);
+	}
+
+	public function getUid($id, $typeId)
+	{
+		if (!$typeId)
+		{
+			$this->terminateWithError($this->p->t('ui', 'error_missingId', ['id'=> 'Type ID']), self::ERROR_TYPE_GENERAL);
+		}
+		elseif ($typeId == 'person_id')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['person_id' => $id]
+			);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			$result = $this->PrestudentModel->loadWhere(
+				['prestudent_id' => $id]
+			);
+
+			$data = $this->getDataOrTerminateWithError($result);
+			$person = current($data);
+			$person_id = $person->person_id;
+
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['person_id' => $person_id]
+			);
+		}
+		elseif($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->terminateWithSuccess($id);
+		}
+		else
+		{
+			$this->terminateWithError("MESSAGES::getUID logic for type_id " . $typeId . " not defined yet", self::ERROR_TYPE_GENERAL);
+		}
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$benutzer = current($data);
+
+		$this->terminateWithSuccess($benutzer->uid);
+	}
+
+	private function _getPersonId($id, $typeId)
+	{
+		if ($typeId == 'uid' || $typeId == 'mitarbeiter_uid')
+		{
+			$this->load->model('person/Benutzer_model', 'BenutzerModel');
+			$result = $this->BenutzerModel->loadWhere(
+				['uid' => $id]
+			);
+		}
+		elseif($typeId == 'prestudent_id')
+		{
+			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
+			$result = $this->PrestudentModel->loadWhere(
+				['prestudent_id' => $id]
+			);
+		}
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$person = current($data);
+
+		return $person->person_id;
+	}
+
+	private function _getPrestudentIdFromUid($uid)
+	{
+	//	$this->terminateWithError($uid, self::ERROR_TYPE_GENERAL);
+		$this->load->model('crm/Student_model', 'StudentModel');
+		$result = $this->StudentModel->loadWhere(
+			['student_uid' => $uid]
+		);
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$student = current($data);
+	//	$this->terminateWithError($student->prestudent_id, self::ERROR_TYPE_GENERAL);
+		return $student->prestudent_id;
+	}
+
+	private function _getReplyBody($body, $receiverName, $receiverSurname, $sentDate)
+	{
+		// To quote a reply body message
+		$bodyFormat = "<br>
+					<br>
+					<blockquote>
+						<i>
+							On %s %s %s wrote:
+						</i>
+					</blockquote>
+					<blockquote style='border-left:2px solid; padding-left: 8px'>
+						%s
+					</blockquote>";
+		return sprintf(
+			$bodyFormat,
+			date_format(date_create($sentDate), 'd.m.Y H:i'), $receiverName, $receiverSurname, $body
+		);
+	}
+}

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

@@ -103,6 +103,10 @@ class Config extends FHCAPI_Controller
 			'title' => $this->p->t('stv', 'tab_groups'),
 			'component' => './Stv/Studentenverwaltung/Details/Gruppen.js'
 		];
+		$result['messages'] = [
+			'title' => $this->p->t('stv', 'tab_messages'),
+			'component' => './Stv/Studentenverwaltung/Details/Messages.js'
+		];
 
 		$result['grades'] = [
 			'title' => $this->p->t('stv', 'tab_grades'),

application/controllers/api/frontend/v1/vorlagen/Vorlagen.php

@@ -0,0 +1,63 @@
+<?php
+
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Vorlagen extends FHCAPI_Controller
+{
+	public function __construct()
+	{
+		parent::__construct([
+			'getVorlagen' => ['admin:r', 'assistenz:r'],
+			'getVorlagenByLoggedInUser' => ['admin:r', 'assistenz:r'],
+		]);
+
+		//Load Models
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		// Additional Permission Checks
+		//TODO(manu) check permissions
+
+		// Load Libraries
+		$this->load->library('VariableLib', ['uid' => getAuthUID()]);
+		$this->load->library('form_validation');
+		$this->load->library('VorlageLib');
+
+		// Load language phrases
+		$this->loadPhrases([
+			'ui'
+		]);
+	}
+
+	public function getVorlagen()
+	{
+		$this->load->model('system/Vorlage_model', 'VorlageModel');
+
+		$this->VorlageModel->addOrder('vorlage_kurzbz', 'ASC');
+
+		$result = $this->VorlageModel->loadWhere(
+			array(
+				'mimetype' => 'text/html'
+			));
+
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+	public function getVorlagenByLoggedInUser()
+	{
+		//get oe of user
+		$uid = getAuthUID();
+		$this->load->model('person/Benutzerfunktion_model', 'BenutzerfunktionModel');
+		$result = $this->BenutzerfunktionModel->getBenutzerfunktionByUid($uid, 'oezuordnung');
+
+		$data = $this->getDataOrTerminateWithError($result);
+		$oe_kurzbz = current($data);
+
+		$result = $this->VorlageModel->getAllVorlagenByOe($oe_kurzbz->oe_kurzbz);
+		$data = $this->getDataOrTerminateWithError($result);
+
+		$this->terminateWithSuccess($data);
+	}
+
+}

application/models/system/Message_model.php

@@ -85,7 +85,7 @@ class Message_model extends DB_Model
 	 */
 	public function getMessagesOfPerson($person_id, $status = null)
 	{
-		$sql = 'SELECT m.message_id,
+		$sql = "SELECT m.message_id,
 						m.person_id,
 						m.subject,
 						m.body,
@@ -122,7 +122,7 @@ class Message_model extends DB_Model
 						  ) s ON (m.message_id = s.message_id AND re.person_id = s.person_id)
 				 WHERE se.person_id = ?
 				 OR re.person_id = ?
-				 ';
+				 ";
 
 		if (is_numeric($status))
 		{
@@ -230,4 +230,135 @@ class Message_model extends DB_Model
 		
 		return $this->execQuery($query, $params);
 	}
+
+	/**
+	 * Gets messages for a person for tableMessages.
+	 * @param $person_id
+	 * paginationInitialPage: 1,
+	 * @param $offset number to skip, calculated by tabulatorParam paginationInitialPage and 	paginationSize, refers to specified numer of skipped items
+	 * and page
+	 * @param $limit refers to tabulatorParam paginationSize
+	 * @return array|null
+	 */
+	public function getMessagesForTable($person_id, $offset, $limit)
+	{
+		$sql_base = "
+			SELECT
+				m.message_id AS message_id,
+				m.subject AS subject,
+				m.body AS body,
+				m.insertamum AS insertamum,
+				m.relationmessage_id AS relationmessage_id,
+				(SELECT COALESCE(titelpre,'') || ' ' || COALESCE(vorname,'') || ' ' || COALESCE(nachname,'') || ' ' || COALESCE(titelpost,'') FROM public.tbl_person WHERE person_id = m.person_id) as sender,
+				(SELECT COALESCE(titelpre,'') || ' ' || COALESCE(vorname,'') || ' ' || COALESCE(nachname,'') || ' ' || COALESCE(titelpost,'') FROM public.tbl_person WHERE person_id = r.person_id) as recipient,
+				m.person_id as sender_id,
+				r.person_id as recipient_id,
+				MAX(ss.status) as status,
+				MAX(ss.insertamum) as statusdatum
+			FROM public.tbl_msg_message m
+				 JOIN public.tbl_msg_recipient r USING(message_id)
+				 JOIN public.tbl_msg_status ss ON(r.message_id = ss.message_id AND ss.person_id = r.person_id)
+			WHERE m.person_id = ?
+			GROUP BY m.message_id, m.subject, m.body, m.insertamum, m.relationmessage_id, sender, recipient, sender_id, recipient_id
+			UNION ALL
+			SELECT
+				m.message_id AS message_id,
+				m.subject AS subject,
+				m.body AS body,
+				m.insertamum AS insertamum,
+				m.relationmessage_id AS relationmessage_id,
+				(SELECT COALESCE(titelpre,'') || ' ' || COALESCE(vorname,'') || ' ' || COALESCE(nachname,'') || ' ' || COALESCE(titelpost,'') FROM public.tbl_person WHERE person_id = m.person_id) as sender,
+				(SELECT COALESCE(titelpre,'') || ' ' || COALESCE(vorname,'') || ' ' || COALESCE(nachname,'') || ' ' || COALESCE(titelpost,'') FROM public.tbl_person WHERE person_id = r.person_id) as recipient,
+				m.person_id as sender_id,
+				r.person_id as recipient_id,
+				MAX(ss.status) as status,
+				MAX(ss.insertamum) as statusdatum
+			FROM public.tbl_msg_recipient r
+				 JOIN public.tbl_msg_status ss USING(message_id, person_id)
+				 JOIN public.tbl_msg_message m USING(message_id)
+			WHERE r.person_id = ?
+			GROUP BY m.message_id, m.subject, m.body, m.insertamum, m.relationmessage_id, sender, recipient, sender_id, recipient_id
+				 ";
+		$sql = "
+			SELECT COUNT(*) AS count FROM (
+				" . $sql_base . "
+			) a
+				 ";
+
+		$parametersArray = array($person_id, $person_id);
+
+		$count = $this->execQuery($sql, $parametersArray);
+
+		if (isError($count))
+			return $count;
+
+		$count = floor(current(getData($count))->count/$limit);
+		$sql = "
+			SELECT * FROM (
+				" . $sql_base . "
+			) a
+			ORDER BY insertamum DESC
+			LIMIT ?
+			OFFSET ?
+				 ";
+
+		$parametersArray = array($person_id, $person_id, $limit, $offset);
+
+		$data = $this->execQuery($sql, $parametersArray);
+
+		if (isError($data))
+			return $data;
+
+		$data = getData($data);
+
+		return success(['data' => $data, 'count' => $count]);
+	}
+
+	/**
+	 * Deletes entry in dependency table tbl_msg_recipient
+	 *
+	 * @param $message_id
+	 * @return boolean success
+	 */
+	public function deleteMessageRecipient($message_id)
+	{
+		$sql = "
+		 DELETE FROM public.tbl_msg_recipient
+			WHERE message_id = ?;
+		 ";
+
+		return $this->execQuery($sql, array($message_id));
+	}
+
+	/**
+	 * Deletes entry in dependency table tbl_msg_status
+	 *
+	 * @param $message_id
+	 * @return boolean success
+	 */
+	public function deleteMessageStatus($message_id)
+	{
+		$sql = "
+		 DELETE FROM public.tbl_msg_status
+			WHERE message_id = ?;
+		 ";
+
+		return $this->execQuery($sql, array($message_id));
+	}
+	/**
+	 * Deletes entry in dependency table tbl_msg_message
+	 *
+	 * @param $message_id
+	 * @return boolean success
+	 */
+	public function deleteMessage($message_id)
+	{
+		$sql = "
+		 DELETE FROM public.tbl_msg_message
+			WHERE message_id = ?;
+		 ";
+
+		return $this->execQuery($sql, array($message_id));
+	}
+	
 }

application/models/system/Vorlage_model.php

@@ -31,4 +31,120 @@ class Vorlage_model extends DB_Model
 
 		return $this->execQuery($query);
 	}
+
+	/**
+	 * Returns all Vorlagen
+	 * that belongs to the organisation units of the user
+	 * and the parents of those organisation units until the root of the
+	 * @param Array Array of $oe_kurzbz
+	 * @return object Array of Vorlagen
+	 */
+	public function getAllVorlagenByOe($oe_kurzbz)
+	{
+		// Loads library OrganisationseinheitLib
+		$this->load->library('OrganisationseinheitLib');
+
+		$vorlage = success(array()); // Default value
+
+		$table = '(
+					SELECT v.vorlage_kurzbz,
+							v.bezeichnung,
+							vs.version,
+							vs.oe_kurzbz,
+							vs.aktiv,
+							vs.subject,
+							vs.text,
+							v.mimetype
+					FROM tbl_vorlagestudiengang vs
+					JOIN tbl_vorlage v USING(vorlage_kurzbz)
+				) templates';
+
+		$alias = 'templates';
+
+		$fields = array(
+			'templates.vorlage_kurzbz AS id',
+			'templates.bezeichnung || \' (\' || UPPER(templates.oe_kurzbz) || \')\' AS description'
+		);
+
+		$where = 'templates.aktiv = TRUE
+					AND templates.subject IS NOT NULL
+					AND templates.text IS NOT NULL
+					AND templates.mimetype = \'text/html\'
+			   GROUP BY 1, 2, 3';
+
+		$order_by = 'description ASC';
+
+		if (!is_array($oe_kurzbz))
+		{
+			$vorlage = $this->organisationseinheitlib->treeSearchEntire(
+				$table,
+				$alias,
+				$fields,
+				$where,
+				$order_by,
+				$oe_kurzbz
+			);
+		}
+		else // is an array
+		{
+			// Get the vorlage for each organisation unit
+			foreach($oe_kurzbz as $val)
+			{
+				$tmpVorlage = $this->organisationseinheitlib->treeSearchEntire(
+					$table,
+					$alias,
+					$fields,
+					$where,
+					$order_by,
+					$val
+				);
+
+				// Everything is ok and data are inside
+				if (hasData($tmpVorlage))
+				{
+					// If it's the first vorlage copy it
+					if (!hasData($vorlage))
+					{
+						for ($j = 0; $j < count(getData($tmpVorlage)); $j++)
+						{
+							if (getData($tmpVorlage)[$j]->id != '')
+							{
+								array_push($vorlage->retval, getData($tmpVorlage)[$j]);
+							}
+						}
+					}
+					else // checks for duplicates, if it's not already present push it into the array getData($vorlage)
+					{
+						for ($j = 0; $j < count(getData($tmpVorlage)); $j++)
+						{
+							$found = false;
+							$currentTmpVorlageData = null;
+
+							for ($i = 0; $i < count(getData($vorlage)); $i++)
+							{
+								$currentTmpVorlageData = getData($tmpVorlage)[$j];
+
+								if (getData($vorlage)[$i]->id == getData($tmpVorlage)[$j]->id
+									&& getData($vorlage)[$i]->_pk == getData($tmpVorlage)[$j]->_pk
+									&& getData($vorlage)[$i]->_ppk == getData($tmpVorlage)[$j]->_ppk
+									&& getData($vorlage)[$i]->_jtpk == getData($tmpVorlage)[$j]->_jtpk)
+								{
+									$found = true;
+									break;
+								}
+							}
+
+							if (!$found && $currentTmpVorlageData->id != '')
+							{
+								array_push($vorlage->retval, $currentTmpVorlageData);
+							}
+						}
+					}
+				}
+			}
+		}
+
+		return $vorlage;
+	}
+
 }

application/views/Nachrichten.php

@@ -0,0 +1,48 @@
+<?php
+$includesArray = array(
+	'title' => 'Nachrichten',
+	'axios027' => true,
+	'bootstrap5' => true,
+	'fontawesome6' => true,
+	'vue3' => true,
+	'primevue3' => true,
+	#'filtercomponent' => true,
+	'tabulator5' => true,
+	'tinymce5' => true,
+	'phrases' => array(
+		'global',
+		'ui',
+	),
+	'customCSSs' => [
+		'public/css/components/vue-datepicker.css',
+		'public/css/components/primevue.css',
+	],
+	'customJSs' => [
+		#'vendor/npm-asset/primevue/tree/tree.min.js',
+		#'vendor/npm-asset/primevue/toast/toast.min.js'
+	],
+	'customJSModules' => [
+		'public/js/apps/Nachrichten.js'
+	]
+);
+
+$this->load->view('templates/FHC-Header', $includesArray);
+?>
+
+<?php
+$configArray = [
+	'domain' => !defined('DOMAIN') ? 'notDefined' : DOMAIN,
+];
+?>
+
+<div id="main">
+	<router-view
+		cis-root="<?= CIS_ROOT; ?>"
+		:permissions="<?= htmlspecialchars(json_encode($permissions)); ?>"
+		:config="<?=  htmlspecialchars(json_encode($configArray)); ?>"
+	>
+	</router-view>
+</div>
+
+<?php $this->load->view('templates/FHC-Footer', $includesArray); ?>
+