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

class ReihungstestJob extends CLI_Controller
{
	/**
	 * Constructor
	 */
	public function __construct()
	{
		parent::__construct();

		// Load models
		$this->load->model('crm/Reihungstest_model', 'ReihungstestModel');
		$this->load->model('crm/RtStudienplan_model', 'RtStudienplanModel');
		$this->load->model('crm/Konto_model', 'KontoModel');
		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
		$this->load->model('organisation/Studiengang_model', 'StudiengangModel');
		$this->load->model('organisation/Studienplan_model', 'StudienplanModel');

		// Load helpers
		$this->load->helper('hlp_sancho_helper');
	}

	/**
	 * runReihungstestJob
	 */
	public function runReihungstestJob()
	{
		// Get study plans that have no assigned placement tests yet
		$result = $this->ReihungstestModel->checkMissingReihungstest();

		$missing_rt_arr = array();
		if (hasData($result))
		{
			$missing_rt_arr = $result->retval;
		}
		elseif (isError($result))
		{
			show_error(getError($result));
		}

		// Get free places
		$result = $this->ReihungstestModel->getFreePlaces();

		$free_places_arr = array();
		if (hasData($result))
		{
			$free_places_arr = $result->retval;
		}
		elseif (isError($result))
		{
			show_error(getError($result));
		}

		// Prepare data for mail template 'ReihungstestJob'
		$content_data_arr = $this->_getContentData($missing_rt_arr, $free_places_arr);

		// Send email in Sancho design
		if (!empty($missing_rt_arr) || !empty($free_places_arr))
		{
			sendSanchoMail(
				'ReihungstestJob',
				$content_data_arr,
				MAIL_INFOCENTER,
				'Support für die Reihungstest-Verwaltung');
		}
	}

	/*
	 * Sends an email to all assistants of a placement test when an anmeldeschluss has been reached
	 *
	 * @param integer $degreeProgram. Kennzahl of Degree Program to check
	 * @param string $bcc. Optional. BCC-Mailadress to send the Mails to
	 * @param string $from. Optional. Sender-Mailadress shown to recipient
	 */
	public function runZentraleReihungstestAnmeldefristAssistenzJob($degreeProgram, $bcc = null, $from = null)
	{
		// Encode Params
		if ($bcc != '')
		{
			// $bcc can be given as null-string, so check that too
			if ($bcc == 'null')
			{
				$bcc = '';
			}
			else
			{
				$bcc = urldecode($bcc);
			}
		}
		if ($from != '')
		{
			$from = urldecode($from);
		}

		// Get placement tests where registration date was yesterday
		$result = $this->ReihungstestModel->checkReachedRegistrationDate($degreeProgram);

		$reachedRegistration_rt_arr = array();

		if (hasData($result))
		{
			$reachedRegistration_rt_arr = $result->retval;
		}
		elseif (isError($result))
		{
			show_error(getError($result));
		}

		$applicants_arr = array();

		foreach ($reachedRegistration_rt_arr as $reihungstest)
		{
			$applicants = $this->ReihungstestModel->getApplicantsOfPlacementTestForCronjob($reihungstest->reihungstest_id);

			if (hasData($applicants))
			{
				$applicants_arr = $applicants->retval;
			}
			elseif (isError($applicants))
			{
				show_error(getError($applicants));
			}

			// Get all Bachelor-Degree-Programs with Mailadress
			$bachelorStudiengeange = $this->StudiengangModel->loadStudiengaengeFromTyp('b');
			$bachelorStudiengeange_arr = array();

			if (hasData($bachelorStudiengeange))
			{
				$bachelorStudiengeange_arr = $bachelorStudiengeange->retval;
			}
			elseif (isError($bachelorStudiengeange))
			{
				show_error(getError($bachelorStudiengeange));
			}

			// If a person ist an applicant of this degree-program send mail with application data
			// Otherwise inform assistant, that no applicant is registered in this test
			foreach ($bachelorStudiengeange_arr as $bachelorStudiengang)
			{
				$studiengang_kuerzel = strtoupper($bachelorStudiengang->typ.$bachelorStudiengang->kurzbz);
				$applicantCounter = 0;
				$mailcontent_data_arr = array();
				foreach ($applicants_arr as $applicant)
				{
					if ($bachelorStudiengang->studiengang_kz == $applicant->studiengang_kz)
					{
						$applicantCounter ++;
					}
				}
				if ($applicantCounter == 0)
				{
					$mailcontent = '<p style="font-family: verdana, sans-serif;">Der Anmeldeschluss für den zentralen Reihungstest am ' . date_format(date_create($reihungstest->datum), 'd.m.Y') . ' um ' . $reihungstest->uhrzeit . ' Uhr wurde gestern erreicht.</p>';
					$mailcontent .= '<p style="font-family: verdana, sans-serif;"><b>Für den Studiengang '.$studiengang_kuerzel.' nehmen keine InteressentInnen an diesem Reihungstest teil</b></p>';
				}
				else
				{
					$mailcontent = '<p style="font-family: verdana, sans-serif;">Der Anmeldeschluss für den zentralen Reihungstest am ' . date_format(date_create($reihungstest->datum), 'd.m.Y') . ' um ' . $reihungstest->uhrzeit . ' Uhr wurde gestern erreicht.</p>';
					$mailcontent .= '
					<p style="font-family: verdana, sans-serif;"><b>' . $applicantCounter . '</b> InteressentIn(nen) des Studiengangs ' . $studiengang_kuerzel . ' nehmen daran teil:</p>
					<p style="font-family: verdana, sans-serif;">
						<a href="'.APP_ROOT.'vilesci/stammdaten/auswertung_fhtw.php?reihungstest='.$reihungstest->reihungstest_id.'&studiengang='.$bachelorStudiengang->studiengang_kz.'" target="_blank">
							Liste der Anmeldungen
						</a>
					</p>';
				}
				$mailcontent_data_arr['table'] = $mailcontent;

				// Send email in Sancho design
				if (!isEmptyString($mailcontent))
				{
					sendSanchoMail(
						'Sancho_ReihungstestteilnehmerJob',
						$mailcontent_data_arr,
						$bachelorStudiengang->email,
						'Anmeldeschluss Reihungstest ' . date_format(date_create($reihungstest->datum), 'd.m.Y') . ' ' . $reihungstest->uhrzeit . ' Uhr',
						'sancho_header_min_bw.jpg',
						'sancho_footer_min_bw.jpg',
						$from,
						'',
						$bcc);
				}
			}
		}
	}

	/*
	 * Checks, if an applicant was assigned to a test after Anmeldefrist and sends an email to all responsible assistants
	 *
	 * @param integer $degreeProgram. Kennzahl of Degree Program to check
	 * @param string $bcc. Optional. BCC-Mailadress to send the Mails to
	 * @param string $from. Optional. Sender-Mailadress shown to recipient
	 */
	public function runZentraleReihungstestNachtraeglichHinzugefuegtJob($degreeProgram, $bcc = null, $from = null)
	{
		// Encode Params
		if ($bcc != '')
		{
			// $bcc can be given as null-string, so check that too
			if ($bcc == 'null')
			{
				$bcc = '';
			}
			else
			{
				$bcc = urldecode($bcc);
			}
		}
		if ($from != '')
		{
			$from = urldecode($from);
		}

		// Get applicants that have been added to a test after Anmeldefrist
		$result = $this->ReihungstestModel->getApplicantAssignedAfterDate($degreeProgram);

		$applicants_after_anmeldefrist_arr = array();

		if (hasData($result))
		{
			$applicants_after_anmeldefrist_arr = $result->retval;
		}
		elseif (isError($result))
		{
			show_error(getError($result));
		}

		$studiengang = '';
		$mailReceipients = ''; // String with all mailadresses
		$mailcontent_data_arr = array();
		$headerstyle = 'style="background: #DCE4EF; border: 1px solid #FFF; padding: 4px; text-align: left;"';
		$rowstyle = 'style="background-color: #EEEEEE; padding: 4px;"';
		$mailcontent = '';
		$applicants_list = '';

		if (count($applicants_after_anmeldefrist_arr) > 0)
		{
			foreach ($applicants_after_anmeldefrist_arr as $applicant)
			{
				if ($studiengang != $applicant->studiengang_kz)
				{
					if ($studiengang != '' && $studiengang != $applicant->studiengang_kz)
					{
						$bachelorStudiengang = $this->StudiengangModel->load($studiengang);
						$mailcontent .= $applicants_list;
						$mailcontent .= '</tbody></table>';
						$mailcontent .= '<p style="font-family: verdana, sans-serif;">
											<a href="'.APP_ROOT.'vilesci/stammdaten/auswertung_fhtw.php?reihungstest='.$applicant->reihungstest_id.'&studiengang='.$studiengang.'" target="_blank">
												Liste der Anmeldungen
											</a>
										</p>';
						$mailcontent_data_arr['table'] = $mailcontent;
						sendSanchoMail(
							'Sancho_ReihungstestteilnehmerJob',
							$mailcontent_data_arr,
							$bachelorStudiengang->retval[0]->email,
							'InteressentIn nach Reihungstest-Anmeldeschluss hinzugefügt',
							'sancho_header_min_bw.jpg',
							'sancho_footer_min_bw.jpg',
							$from,
							'',
							$bcc);
						$applicants_list = '';
						$mailcontent_data_arr = array();
					}

					$mailcontent = '<p style="font-family: verdana, sans-serif;">Folgende InteressentInnen wurden <b>nach</b> der Anmeldefrist zu einem Reihungstest hinzugefügt.<br>Details siehe Link</p>';
					$mailcontent .= '
					<table width="100%" style="cellpadding: 3px; font-family: verdana, sans-serif; border: 1px solid #000000;">
						<thead>
						<th ' . $headerstyle . '>Datum des Tests</th>
						<th ' . $headerstyle . '>Uhrzeit des Tests</th>
						<th ' . $headerstyle . '>OrgForm</th>
						<th ' . $headerstyle . '>Semester</th>
						<th ' . $headerstyle . '>Nachname</th>
						<th ' . $headerstyle . '>Vorname</th>
						</thead>
						<tbody>
						';
				}

				$studiengang = $applicant->studiengang_kz;
				$mailReceipients .= $applicant->email . ';';
				$applicants_list .= '
						<tr ' . $rowstyle . '>
						<td>' . date_format(date_create($applicant->datum), 'd.m.Y') . '</td>
						<td>' . $applicant->uhrzeit . '</td>
						<td>' . $applicant->orgform_kurzbz . '</td>
						<td>' . $applicant->ausbildungssemester . '</td>
						<td>' . $applicant->nachname . '</td>
						<td>' . $applicant->vorname . '</td>
						</tr>
					';
			};
			$bachelorStudiengang = $this->StudiengangModel->load($studiengang);
			$mailcontent .= $applicants_list;
			$mailcontent .= '</tbody></table>';
			$mailcontent .= '<p style="font-family: verdana, sans-serif;">
								<a href="'.APP_ROOT.'vilesci/stammdaten/auswertung_fhtw.php?reihungstest='.$applicant->reihungstest_id.'&studiengang='.$studiengang.'" target="_blank">
									Liste der Anmeldungen
								</a>
							</p>';
			$mailcontent_data_arr['table'] = $mailcontent;
			sendSanchoMail(
				'Sancho_ReihungstestteilnehmerJob',
				$mailcontent_data_arr,
				$bachelorStudiengang->retval[0]->email,
				'InteressentIn nach Reihungstest-Anmeldeschluss hinzugefügt',
				'sancho_header_min_bw.jpg',
				'sancho_footer_min_bw.jpg',
				$from,
				'',
				$bcc);
		}
	}

	/*
	 * Sends an email to all applicants of a placement test to remind them 2 working days before
	 *
	 * @param integer $degreeProgram. Kennzahl of Degree Program to check
	 * @param string $bcc. Optional. BCC-Mailadress to send the Mails to
	 * @param string $from. Optional. Sender-Mailadress shown to recipient
	 */
	public function remindApplicantsOfPlacementTest($degreeProgram, $bcc = null, $from = null)
	{
		// Encode Params
		if ($bcc != '')
		{
			// $bcc can be given as null-string, so check that too
			if ($bcc == 'null')
			{
				$bcc = '';
			}
			else
			{
				$bcc = urldecode($bcc);
			}
		}
		if ($from != '')
		{
			$from = urldecode($from);
		}

		// Get placement tests with testdate within the next 2 weeks
		$resultNextTestDates = $this->ReihungstestModel->getNextPlacementtests($degreeProgram, 14);
		if (hasData($resultNextTestDates))
		{
			$nextTestDates = $resultNextTestDates->retval;
			$enddate = '';
			// Loop through the dates
			foreach ($nextTestDates as $testDates)
			{
				$workingdays = 0;
				$testsOndate = array();

				// Deduct days till 2 working days are reached
				for ($i = 1; ; $i++)
				{
					if (isDateWorkingDay($testDates->datum, $i) === true)
					{
						$workingdays++;
					}
					if ($workingdays == 2)
					{
						$enddate = date("Y-m-d", strtotime("$testDates->datum -" . $i . " days"));
						break;
					}
					else
					{
						continue;
					}
				}

				// If $enddate is today -> load all tests of $testDates->datum
				if (date("Y-m-d", strtotime($enddate)) == date('Y-m-d'))
				{
					$resultTestsOnDate = $this->ReihungstestModel->getTestsOnDate($testDates->datum, $degreeProgram);

					if (hasData($resultTestsOnDate))
					{
						$testsOndate = $resultTestsOnDate->retval;
					}
					elseif (isError($resultTestsOnDate))
					{
						show_error(getError($resultTestsOnDate));
					}
				}

				if (!isEmptyArray($testsOndate))
				{
					foreach ($testsOndate as $reihungstest)
					{
						// Loads applicants of a test
						$applicants = $this->ReihungstestModel->getApplicantsOfPlacementTest($reihungstest->reihungstest_id);

						if (hasData($applicants))
						{
							$applicants_arr = $applicants->retval;
						}
						elseif (isError($applicants))
						{
							show_error(getError($applicants));
						}

						foreach ($applicants_arr as $applicant)
						{
							$mailcontent_data_arr = array();
							$mailcontent_data_arr['anrede'] = $applicant->anrede;
							$mailcontent_data_arr['nachname'] = $applicant->nachname;
							$mailcontent_data_arr['vorname'] = $applicant->vorname;
							$mailcontent_data_arr['rt_datum'] = date_format(date_create($reihungstest->datum), 'd.m.Y');
							$mailcontent_data_arr['rt_uhrzeit'] = date_format(date_create($reihungstest->uhrzeit), 'H:i');
							$mailcontent_data_arr['rt_raum'] = $applicant->planbezeichnung;
							if ($applicant->lageplan == '')
							{
								$mailcontent_data_arr['wegbeschreibung'] = 'Für diesen Raum liegt noch keine Wegbeschreibung vor.<br><br>No directions were found for this room';
							}
							else
							{
								$mailcontent_data_arr['wegbeschreibung'] = $applicant->lageplan;
							}

							sendSanchoMail(
								'Sancho_RemindApplicantsOfTest',
								$mailcontent_data_arr,
								$applicant->email,
								'Ihre Anmeldung zum Reihungstest - Reminder / Your registration for the placement test - Reminder',
								DEFAULT_SANCHO_HEADER_IMG,
								DEFAULT_SANCHO_FOOTER_IMG,
								$from,
								'',
								$bcc);
						}
					}
				}
			}
		}
	}

	/**
	 * This job sends eMail(s) to the relevant stg assistance(s) informing about:
	 * All applicants, who have sent new applications AFTER they had absolved a
	 * placement test in the actual studiensemester
	 * AND who have been confirmed yesterday.
	 */
	public function mailNewApplicants()
	{
		// Get yesterdays confirmed applicants for Bachelor-studies
		$this->load->model('crm/Prestudentstatus_model', 'PrestudentstatusModel');
		$this->PrestudentstatusModel->addSelect('
			tbl_person.person_id,
			tbl_prestudentstatus.prestudent_id,
			tbl_prestudent.studiengang_kz,
			tbl_prestudentstatus.studiensemester_kurzbz,
			tbl_prestudentstatus.bestaetigtam,
			tbl_prestudentstatus.bewerbung_abgeschicktamum
		');
		$this->PrestudentstatusModel->addJoin('public.tbl_prestudent', 'prestudent_id');
		$this->PrestudentstatusModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
		$this->PrestudentstatusModel->addJoin('public.tbl_studiengangstyp', 'typ');
		$this->PrestudentstatusModel->addJoin('public.tbl_person', 'person_id');

		$yesterdays_applicants_arr = $this->PrestudentstatusModel->loadWhere('
			status_kurzbz = \'Interessent\' AND
			typ = \'b\' AND
			bestaetigtam = current_date - 1
		');

		// Retrieve the person_ids of yesterdays confirmed applicants
		$person_id_arr = array();
		if (hasData($yesterdays_applicants_arr))
		{
			foreach ($yesterdays_applicants_arr->retval as $yesterdays_applicant)
			{
				if (isset($yesterdays_applicant->person_id)) {
					$person_id_arr[] = $yesterdays_applicant->person_id;
				}
			}
		}
		elseif (isError($yesterdays_applicants_arr))
		{
			show_error(getError($yesterdays_applicants_arr));
		}

		// Get all other prestudenten of the given persons.
		if (!isEmptyArray($person_id_arr))
		{
			$this->load->model('crm/Prestudent_model', 'PrestudentModel');
			$this->PrestudentModel->addDistinct();
			$this->PrestudentModel->addSelect('
				person_id,
				tbl_reihungstest.studiensemester_kurzbz,
				tbl_reihungstest.reihungstest_id,
				(SELECT(tbl_reihungstest.datum::text || \' \' || tbl_reihungstest.uhrzeit::text)::timestamp) AS reihungstest_timestamp
			');
			$this->PrestudentModel->addJoin('public.tbl_studiengang', 'studiengang_kz');
			$this->PrestudentModel->addJoin('public.tbl_studiengangstyp', 'typ');
			$this->PrestudentModel->addJoin('public.tbl_prestudentstatus', 'prestudent_id');
			$this->PrestudentModel->addJoin('public.tbl_person', 'person_id');
			$this->PrestudentModel->addJoin('public.tbl_rt_person', 'person_id');
			$this->PrestudentModel->addJoin('public.tbl_reihungstest', 'tbl_reihungstest.reihungstest_id = tbl_rt_person.rt_id');

			// Store them, if they have already absolved a placement test in the same study term they have applied for.
			$placement_absolvents_arr = $this->PrestudentModel->loadWhere('
				person_id IN (' . implode(', ', $person_id_arr) . ') AND
				typ = \'b\' AND
				teilgenommen = \'t\' AND
				tbl_reihungstest.studiensemester_kurzbz IN (
					SELECT
						studiensemester_kurzbz
					FROM
						public.tbl_studiensemester
					WHERE
						ende >= now()
				)
			');
		}

		// Store data to be send in the email-link
		$result_arr = array();
		foreach($yesterdays_applicants_arr->retval as $yesterdays_applicant)
		{
			foreach ($placement_absolvents_arr->retval as $placement_absolvent)
			{
				if ($yesterdays_applicant->person_id == $placement_absolvent->person_id &&
					$yesterdays_applicant->studiensemester_kurzbz == $placement_absolvent->studiensemester_kurzbz &&
					$yesterdays_applicant->bewerbung_abgeschicktamum >= $placement_absolvent->reihungstest_timestamp)
				{
					$obj = new stdClass();
					$obj->prestudent_id = $yesterdays_applicant->prestudent_id;	 // prestudent_id of the yesterdays applicant
					$obj->studiengang_kz = $yesterdays_applicant->studiengang_kz;   // study program of interest of the yesterdays applicant
					$obj->reihungstest_id = $placement_absolvent->reihungstest_id;  // reihungstest_id of absolved reihungstest of that person

					$result_arr[]= $obj;
				}
			}
		}

		// Sort by STG. This is important to send the mails clustered by STG to the different STG assistances.
		usort($result_arr, function ($a, $b)
		{
			if ($a->studiengang_kz == $b->studiengang_kz) {
				return 0;
			}
			return ($a->studiengang_kz < $b->studiengang_kz) ? -1 : 1;
		});

		$to = ''; // mail recipient (stg assistance)
		$content_arr = array(); // url paths to the new applicants
		$base_link = base_url('vilesci/stammdaten/auswertung_fhtw.php');

		$i = 0; // loop counter
		$len = count($result_arr);

		// Loop trough list of new applicants
		foreach($result_arr as $result)
		{
			$studiengang = $this->StudiengangModel->load($result->studiengang_kz);
			$mail_stg_assistance = $studiengang->retval[0]->email;

			// If first loop
			if ($i == 0)
			{
				$to = $mail_stg_assistance; // set recipient initially
			}

			// If new study is encountered but is not the first loop
			if ($to != $mail_stg_assistance && $i != 0)
			{
				// Prepare content for mail template
				$content_data_arr = $this->_getContentDataNewApplicant($content_arr);

				// Send mail
				 sendSanchoMail(
					 'BewerberNachReihungstest',
					 $content_data_arr,
					 $to,
					 'Neue Bewerbungen nach absolviertem Reihungstest',
					 'sancho_header_min_bw.jpg',
					 'sancho_footer_min_bw.jpg'
				 );

				 // Reset content for new study applicants & reset recipient (new stg assistance)
				$content_arr = array($base_link. '?reihungstest='. $result->reihungstest_id. '&prestudent_id='. $result->prestudent_id);
				$to = $mail_stg_assistance;
			}
			// If same study
			else
			{
				// just add content
				$content_arr[]= $base_link. '?reihungstest='. $result->reihungstest_id. '&prestudent_id='. $result->prestudent_id; // add to content
			}

			// If last loop
			if (($i == $len - 1))
			{
				// Prepare content for mail template
				$content_data_arr = $this->_getContentDataNewApplicant($content_arr);

				// Send mail
				  sendSanchoMail(
					  'BewerberNachReihungstest',
					  $content_data_arr,
					  $to,
					  'Neue Bewerbungen nach absolviertem Reihungstest',
					  'sancho_header_min_bw.jpg',
					  'sancho_footer_min_bw.jpg'
				  );
			}
			$i++; // iterate counter
		}
	}

	// ------------------------------------------------------------------------
	// Private methods
	/**
	 * Returns associative array with data as needed in the reihungstest job template.
	 * @param array $missing_rt_arr Array with studienpläne, which have no assigned placement tests.
	 * @param array $free_places_arr Array with info and amount of free placement test places.
	 * @return array
	 */
	private function _getContentData($missing_rt_arr, $free_places_arr)
	{
		$style_tbl1 = ' cellpadding="0" cellspacing="10" width="100%" style="font-family: courier, verdana, sans-serif; font-size: 0.95em; border: 1px solid #000000;" ';
		$style_tbl2 = ' cellpadding="0" cellspacing="20" width="100%" style="font-family: courier, verdana, sans-serif; font-size: 0.95em; border: 1px solid #000000;" ';

		// Prepare HTML table with study plans that have no placement tests yet
		if (!empty($missing_rt_arr)) {
			$studienplan_list
				= '
				<table' . $style_tbl2 . '>
			';

			foreach ($missing_rt_arr as $rt) {
				$studienplan_list .= '
					<tr><td>' . $rt->bezeichnung . '</td></tr>
				';
			}

			$studienplan_list .= '
				</table>
			';
		} else {
			$studienplan_list = '
				<table' . $style_tbl1 . '>
					<tr><td>Alles okay! Alle Studienpläne haben zumindest einen Reihungstest.</td></tr>
				</table>
			';
		}

		// Prepare HTML table with information and amount of free places
		if (!empty($free_places_arr)) {
			$freie_plaetze_list = '
				<table' . $style_tbl2 . '>
					<tr>
						<th>Fakultät</th>
						<th>Reihungstesttermine</th>
						<th>Freie Plätze</th>
					</tr>
			';

			foreach ($free_places_arr as $free_place) {
				$datum = new DateTime($free_place->datum);
				$style_alarm = ($free_place->freie_plaetze <= 5) ? ' style=" color: red; font-weight: bold" ' : '';	// mark if <=5 free places

				$freie_plaetze_list .= '
					<tr>
						<td width="350">' . $free_place->fakultaet . '</td>
						<td align="center">' . $datum->format('d.m.Y') . '</td>
						<td align="center"' . $style_alarm . '>' . $free_place->freie_plaetze . '</td>
					</tr>
				';
			}

			$freie_plaetze_list .= '
				</table>
			';
		} else {
			$freie_plaetze_list = '
				<table' . $style_tbl1 . '>
					<tr><td>Es gibt heute keine Ergebnisse zu freien Reihungstestplätze.</td></tr>
				</table>
			';
		}

		// Set associative array with the prepared HTML tables and URL be used by the template's variables
		$content_data_arr['studienplan_list'] = $studienplan_list;
		$content_data_arr['freie_plaetze_list'] = $freie_plaetze_list;
		$content_data_arr['link'] = site_url('/organisation/Reihungstest');

		return $content_data_arr;
	}

	/**
	 * Returns associative array with data as needed in the BewerberNachReihungstest-template.
	 * @param array $content_arr Array with links to the testtool evaluation page of the new applicants.
	 * @return array
	 */
	private function _getContentDataNewApplicant($content_arr)
	{
		$content = '';
		$counter = 1;
		foreach ($content_arr as $row)
		{
			$content .= '<br>Link zu: <a href="'. $row. '">Bewerber '. $counter. '</a>';
			$counter++;
		}

		$content_data_arr['link'] = $content;
		return $content_data_arr;
	}


	/**
	 * Checks the upcoming placement tests if there are correct studyplans assigned
	 * If there are invalid studyplans assigned (outdated because there exists a new version),
	 * it tries to find a better one and assigns it additionaly
	 */
	public function correctStudienplan()
	{
		// get all placement tests with incorrect studyplan
		$qry = "
		SELECT
			tbl_reihungstest.reihungstest_id,
			tbl_studienplan.studienplan_id,
			tbl_reihungstest.studiensemester_kurzbz,
			tbl_studienordnung.studiengang_kz
		FROM
			public.tbl_reihungstest
			JOIN public.tbl_rt_studienplan ON(tbl_rt_studienplan.reihungstest_id=tbl_reihungstest.reihungstest_id)
			JOIN lehre.tbl_studienplan USING(studienplan_id)
			JOIN lehre.tbl_studienordnung USING(studienordnung_id)
		WHERE
			NOT EXISTS(
				SELECT 1 FROM lehre.tbl_studienplan_semester
				WHERE studienplan_id=tbl_rt_studienplan.studienplan_id
					AND tbl_studienplan_semester.studiensemester_kurzbz=tbl_reihungstest.studiensemester_kurzbz
			)
			AND tbl_reihungstest.datum >= now()
			AND NOT EXISTS(
				SELECT
					1
				FROM
					public.tbl_rt_studienplan rtstp
					JOIN lehre.tbl_studienplan stp USING(studienplan_id)
					JOIN lehre.tbl_studienordnung sto USING(studienordnung_id)
					JOIN lehre.tbl_studienplan_semester stpsem USING(studienplan_id)
				WHERE
					sto.studiengang_kz=tbl_studienordnung.studiengang_kz
					AND rtstp.reihungstest_id=tbl_reihungstest.reihungstest_id
					AND stpsem.studiensemester_kurzbz=tbl_reihungstest.studiensemester_kurzbz
			)
		";

		$db = new DB_Model();
		$result_rt = $db->execReadOnlyQuery($qry);

		if (hasdata($result_rt)) {
			foreach ($result_rt->retval as $row_rt) {
				// find an active studyplan for the same degree program with is valid in this semester
				$result_stpl = $this->StudienplanModel->getStudienplaeneBySemester(
					$row_rt->studiengang_kz,
					$row_rt->studiensemester_kurzbz
				);

				if (hasData($result_stpl)) {
					foreach ($result_stpl->retval as $row_stpl) {
						// Add new Studyplan to RtStudienplan if missing
						$rt_studienplan = $this->RtStudienplanModel->loadWhere(array(
							"reihungstest_id" => $row_rt->reihungstest_id,
							"studienplan_id" => $row_stpl->studienplan_id
						));

						if (!hasData($rt_studienplan)) {
							echo "\nAdding StudienplanId: $row_stpl->studienplan_id";
							echo " to ReihungstestId: $row_rt->reihungstest_id";

							$this->RtStudienplanModel->insert(array(
								"reihungstest_id" => $row_rt->reihungstest_id,
								"studienplan_id" => $row_stpl->studienplan_id
							));
						}
					}
				}
			}
		}
	}

	/*
	 * Cronjob for priorisation process of FHTW
	 *
	 * Wenn ein Student in einer höheren Prio aufgenommen wird, werden die anderen Bewerbungen auf "Abgewiesen" gesetzt,
	 * solang diese noch im Status "Bewerber" sind.
	 * Andernfalls wird eine Mail an die niedrigeren Prios verschickt, dass eine höhere Prio aufgenommen hat
	 * Die Kaution wird automatisch gebucht
	 *
	 * @param string $bcc. Optional. BCC-Mailadress to send the Mails to
	 * @param string $from. Optional. Sender-Mailadress shown to recipient
	 */
	public function prioritizationJob($bcc = null, $from = null)
	{
		$qry = "    SELECT DISTINCT
					get_rolle_prestudent (tbl_prestudent.prestudent_id, 'WS2020') AS laststatus, /* Todo: Studiensemester dynamisch ermitteln oder als Parameter */
					tbl_prestudentstatus.studiensemester_kurzbz,
					tbl_prestudent.*
					FROM PUBLIC.tbl_person
					JOIN PUBLIC.tbl_prestudent USING (person_id)
					JOIN PUBLIC.tbl_prestudentstatus USING (prestudent_id)
					JOIN lehre.tbl_studienplan USING (studienplan_id)
					JOIN lehre.tbl_studienordnung USING (studienordnung_id)
					JOIN PUBLIC.tbl_studiengang ON (tbl_studienordnung.studiengang_kz = tbl_studiengang.studiengang_kz)
					WHERE tbl_prestudentstatus.datum >= (SELECT CURRENT_DATE -1)
						AND get_rolle_prestudent (tbl_prestudent.prestudent_id, 'WS2020') IN ('Aufgenommener','Bewerber','Wartender')
						AND studiensemester_kurzbz = 'WS2020' /* Todo: Studiensemester dynamisch ermitteln oder als Parameter */
						AND tbl_studiengang.typ = 'b'
						ORDER BY studiengang_kz, laststatus
					";

		// Encode Params
		if ($bcc != '')
		{
			// $bcc can be given as null-string, so check that too
			if ($bcc == 'null')
			{
				$bcc = '';
			}
			else
			{
				$bcc = urldecode($bcc);
			}
		}
		if ($from != '')
		{
			$from = urldecode($from);
		}

		$db = new DB_Model();
		$result_prestudents = $db->execReadOnlyQuery($qry);
		$mailArray = array();

		if (hasdata($result_prestudents))
		{
			foreach ($result_prestudents->retval as $row_ps)
			{
				// Wenn der letzte Status "Aufgenommener" ist, alle niedrigeren Prios auf "Abgewiesen" setzen
				// falls diese Bewerber oder Warteliste sind
				// Danach Kaution einbuchen
				if ($row_ps->laststatus == 'Aufgenommener')
				{
					// Alle niedrigeren Prios laden
					$qryNiedrPrios = "
						SELECT DISTINCT
							get_rolle_prestudent (tbl_prestudent.prestudent_id, '".$row_ps->studiensemester_kurzbz."') AS laststatus,
							tbl_studienplan.orgform_kurzbz,
							tbl_person.nachname,
							tbl_person.vorname,
							tbl_prestudent.*
						FROM PUBLIC.tbl_person
							JOIN PUBLIC.tbl_prestudent USING (person_id)
							JOIN PUBLIC.tbl_prestudentstatus USING (prestudent_id)
							JOIN lehre.tbl_studienplan USING (studienplan_id)
							JOIN PUBLIC.tbl_studiengang ON (tbl_prestudent.studiengang_kz = tbl_studiengang.studiengang_kz)
						WHERE tbl_prestudent.person_id = ".$row_ps->person_id."
							AND tbl_prestudent.prestudent_id != ".$row_ps->prestudent_id."
							AND get_rolle_prestudent (tbl_prestudent.prestudent_id, '".$row_ps->studiensemester_kurzbz."') IN ('Aufgenommener','Bewerber','Wartender')
							AND studiensemester_kurzbz = '".$row_ps->studiensemester_kurzbz."'
							AND tbl_studiengang.typ = 'b'
							AND priorisierung > ".$row_ps->priorisierung."
						ORDER BY studiengang_kz, laststatus
					";

					$resultNiedrPrios = $db->execReadOnlyQuery($qryNiedrPrios);

					if (hasdata($resultNiedrPrios))
					{
						foreach ($resultNiedrPrios->retval as $rowNiedrPrios)
						{
							if ($rowNiedrPrios->laststatus == 'Bewerber')
							{
								// Abgewiesenen-Status mit Statusgrund "Aufnahme anderer Studiengang" (ID 5) setzen
								$lastStatus = $this->PrestudentstatusModel->getLastStatus($rowNiedrPrios->prestudent_id);

								$result = $this->PrestudentstatusModel->insert(
									array(
										'prestudent_id' => $rowNiedrPrios->prestudent_id,
										'studiensemester_kurzbz' => $lastStatus->retval[0]->studiensemester_kurzbz,
										'ausbildungssemester' => $lastStatus->retval[0]->ausbildungssemester,
										'datum' => date('Y-m-d'),
										'orgform_kurzbz' => $lastStatus->retval[0]->orgform_kurzbz,
										'studienplan_id' => $lastStatus->retval[0]->studienplan_id,
										'status_kurzbz' => 'Abgewiesener',
										'statusgrund_id' => 5,
										'insertvon' => 'prioritizationJob',
										'insertamum' => date('Y-m-d H:i:s')
									)
								);
								if (isSuccess($result))
								{
									// Derzeit nur Info an Admins schicken, wenn er Bewerber war
									$mailArray[$rowNiedrPrios->studiengang_kz][$rowNiedrPrios->orgform_kurzbz]['AbgewiesenWeilBewerber'][]
										= $rowNiedrPrios->nachname.' '.$rowNiedrPrios->vorname.' ('.$rowNiedrPrios->prestudent_id.')';
								}
							}
							elseif ($rowNiedrPrios->laststatus == 'Wartender')
							{
								// Abgewiesenen-Status mit Statusgrund "Aufnahme anderer Studiengang" (ID 5) setzen
								// Mail zur Info an Assistenz schicken
								$lastStatus = $this->PrestudentstatusModel->getLastStatus($rowNiedrPrios->prestudent_id);

								$result = $this->PrestudentstatusModel->insert(
									array(
										'prestudent_id' => $rowNiedrPrios->prestudent_id,
										'studiensemester_kurzbz' => $lastStatus->retval[0]->studiensemester_kurzbz,
										'ausbildungssemester' => $lastStatus->retval[0]->ausbildungssemester,
										'datum' => date('Y-m-d'),
										'orgform_kurzbz' => $lastStatus->retval[0]->orgform_kurzbz,
										'studienplan_id' => $lastStatus->retval[0]->studienplan_id,
										'status_kurzbz' => 'Abgewiesener',
										'statusgrund_id' => 5,
										'insertvon' => 'prioritizationJob',
										'insertamum' => date('Y-m-d H:i:s')
									)
								);
								if (isSuccess($result))
								{
									$mailArray[$rowNiedrPrios->studiengang_kz][$rowNiedrPrios->orgform_kurzbz]['AbgewiesenGesetztWartender'][]
										= $rowNiedrPrios->nachname.' '.$rowNiedrPrios->vorname.' ('.$rowNiedrPrios->prestudent_id.')';
								}
							}
							elseif ($rowNiedrPrios->laststatus == 'Aufgenommener')
							{
								// Mail zur Info an Assistenz schicken, dass in höherer Prio aufgenommen wurde
								$mailArray[$rowNiedrPrios->studiengang_kz][$rowNiedrPrios->orgform_kurzbz]['AufnahmeHoeherePrio'][]
									= $rowNiedrPrios->nachname.' '.$rowNiedrPrios->vorname.' ('.$rowNiedrPrios->prestudent_id.')';
							}
						}
					}

					// Kaution einbuchen für $row_ps->prestudent_id
					// Vorher prüfen, ob schon eine Kaution gebucht ist
					// Todo: Betrag automatisch aus tbl_buchungstyp laden

					$qryKautionExists = "
						SELECT count(*) as anzahl
						FROM public.tbl_konto
						WHERE person_id = ".$row_ps->person_id."
							AND studiensemester_kurzbz = '".$row_ps->studiensemester_kurzbz."'
							AND buchungstyp_kurzbz = 'Kaution'";

					$resultKautionExists = $db->execReadOnlyQuery($qryKautionExists);
					if (hasdata($resultKautionExists))
					{
						if ($resultKautionExists->retval[0]->anzahl == '0')
						{
							// Todo: Zahlungsreferenz generieren (StudiengangsOE+Buchungsnummer)
							$this->KontoModel->insert(array(
								"person_id" => $row_ps->person_id,
								"studiengang_kz" => $row_ps->studiengang_kz,
								"studiensemester_kurzbz" => $row_ps->studiensemester_kurzbz,
								"betrag" => -150,
								"buchungsdatum" => date('Y-m-d'),
								"buchungstext" => 'Kaution',
								"buchungstyp_kurzbz" => 'Kaution',
								"insertvon" => 'prioritizationJob',
								"insertamum" => date('Y-m-d H:i:s')
							));
						}
					}
				}
			}
		}

		// Mails senden
		if (!isEmptyArray($mailArray))
		{
			foreach ($mailArray AS $stg=>$orgform)
			{
				$studiengang = $this->StudiengangModel->load($stg);
				$mailcontent = '';

				foreach ($orgform AS $art=>$value)
				{
					// Orgform nur dazu schreiben, wenn es mehr als Eine gibt
					if (count($orgform) > 1)
					{
						$mailcontent .= '<p style="font-family: verdana, sans-serif;"><b>Orgform '.$art.'</b></p>';
					}
					if (isset($value['AbgewiesenGesetztWartender']) && !isEmptyArray($value['AbgewiesenGesetztWartender']))
					{
						$mailcontent .= '<p style="font-family: verdana, sans-serif;">
									Folgende Personen auf der Warteliste wurden in einem höher priorisierten Studiengang aufgenommen und haben deshalb einen Status "Abgewiesen" erhalten:</p>';
						$mailcontent .= '<table style="border-collapse: collapse; border: 1px solid grey;">';
						//$mailcontent .= '<thead><th style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px; text-align: left">Zuvor Warteliste</th></thead>';
						$mailcontent .= '					<tbody>';
						sort($value['AbgewiesenGesetztWartender']);
						foreach ($value['AbgewiesenGesetztWartender'] AS $key=>$bewerber)
						{
							$mailcontent .= '<tr><td style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px">'.$bewerber.'</td></tr>';
						}
						$mailcontent .= '</tbody></table><br><br>';
					}
					if (isset($value['AufnahmeHoeherePrio']) && !isEmptyArray($value['AufnahmeHoeherePrio']))
					{
						$mailcontent .= '<p style="font-family: verdana, sans-serif;">
									Folgende Aufgenommene wurden in einem höher priorisierten Studiengang aufgenommen:</p>';
						$mailcontent .= '<table style="border-collapse: collapse; border: 1px solid grey;">';
						//$mailcontent .= '<thead><th style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px; text-align: left">Aufgenommene</th></thead>';
						$mailcontent .= '					<tbody>';
						sort($value['AufnahmeHoeherePrio']);
						foreach ($value['AufnahmeHoeherePrio'] AS $key=>$bewerber)
						{
							$mailcontent .= '<tr><td style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px">'.$bewerber.'</td></tr>';
						}
						$mailcontent .= '</tbody></table>';
					}
					if ($bcc != '' && isset($value['AbgewiesenWeilBewerber']) && !isEmptyArray($value['AbgewiesenWeilBewerber']))
					{
						$mailcontent .= '<p style="font-family: verdana, sans-serif;">
										Folgende BewerberInnen wurden zu Abgewiesenen gemacht:</p>';
						$mailcontent .= '<table style="border-collapse: collapse; border: 1px solid grey;">';
						//$mailcontent .= '<thead><th style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px; text-align: left">Aufgenommene</th></thead>';
						$mailcontent .= '					<tbody>';
						sort($value['AbgewiesenWeilBewerber']);
						foreach ($value['AbgewiesenWeilBewerber'] AS $key => $bewerber)
						{
							$mailcontent .= '<tr><td style="font-family: verdana, sans-serif; border: 1px solid grey; padding: 3px">'.$bewerber.'</td></tr>';
						}
						$mailcontent .= '</tbody></table>';
					}
				}

				$mailcontent_data_arr['table'] = $mailcontent;

				// Send email in Sancho design
				if (!isEmptyString($mailcontent))
				{
					sendSanchoMail(
						'Sancho_ReihungstestteilnehmerJob',
						$mailcontent_data_arr,
						$studiengang->retval[0]->email,
						'Status Abgewiesen gesetzt',
						'sancho_header_min_bw.jpg',
						'sancho_footer_min_bw.jpg',
						$from,
						'',
						$bcc);
				}
			}
		}
	}
}