Added Reihungstest-chronjob -> sends info with Sancho mail

The job
-- checks if there are active studyplans which have no public placement tests assigned yet 
-- retrieves faculty and amount of free places for each public placement test date.

This information is then sent by email in Sancho design.

application/models/crm/Reihungstest_model.php

@@ -38,4 +38,180 @@ class Reihungstest_model extends DB_Model
 		
 		return $this->execQuery($query, array($reihungstest_id));
 	}
+	
+	/**
+	 * Checks if there are active studyplans which have no public placement tests assigned yet.
+	 */
+	public function checkMissingReihungstest()
+	{
+		$query = '
+			SELECT 
+				bezeichnung
+			FROM
+				lehre.tbl_studienplan
+			WHERE
+				studienplan_id
+			IN 
+			(
+				SELECT DISTINCT 
+					studienplan_id
+				FROM 
+					public.tbl_studiensemester
+				JOIN
+					lehre.tbl_studienplan_semester 
+					USING (studiensemester_kurzbz)
+				JOIN
+					lehre.tbl_studienplan
+					USING (studienplan_id)
+				JOIN
+					lehre.tbl_studienordnung
+					USING (studienordnung_id)
+				JOIN
+					public.tbl_studiengang
+					USING (studiengang_kz)
+				WHERE
+					tbl_studiensemester.onlinebewerbung = \'t\'
+				AND
+					tbl_studienplan.onlinebewerbung_studienplan = \'t\'
+				AND 
+					semester = 1
+				AND
+					typ = \'b\'
+
+				EXCEPT
+
+				SELECT DISTINCT 
+					studienplan_id
+				FROM 
+					public.tbl_reihungstest 
+				JOIN
+					public.tbl_rt_studienplan
+					USING (reihungstest_id)
+				WHERE 
+					datum >= now() 
+				AND 
+					oeffentlich = \'t\'
+				)
+			';
+		
+		return $this->execQuery($query);
+	}
+	
+	/**	Gets amount of free places.
+	 *  Retrieves faculty and amount of free places for each public placement test date.
+	 */
+	public function getFreePlaces()
+	{
+		$query = '
+			SELECT
+				datum,
+				fakultaet,
+				max_plaetze - anzahl_angemeldet AS freie_plaetze
+			FROM
+			(
+				SELECT
+					studiengang_kz,
+					oeffentlich,
+					tbl_studiengang.bezeichnung,
+					reihungstest_id,
+					tbl_reihungstest.datum,
+					COALESCE
+					(
+						max_teilnehmer,
+						(
+							SELECT
+								sum(arbeitsplaetze) - ceil(sum(arbeitsplaetze)/100.0*'. REIHUNGSTEST_ARBEITSPLAETZE_SCHWUND. ')
+							FROM
+								public.tbl_rt_ort  
+							JOIN
+								public.tbl_ort 
+							ON (tbl_rt_ort.ort_kurzbz = tbl_ort.ort_kurzbz)
+							WHERE
+								tbl_rt_ort.rt_id = tbl_reihungstest.reihungstest_id
+						)
+					)
+					AS max_plaetze,
+					(
+					SELECT
+						count(*)
+					FROM
+						public.tbl_rt_person
+					WHERE
+						rt_id = tbl_reihungstest.reihungstest_id
+					)
+					AS anzahl_angemeldet,
+					(
+						WITH RECURSIVE meine_oes
+						(
+							oe_kurzbz,
+							oe_parent_kurzbz,
+							organisationseinheittyp_kurzbz
+						)
+						AS
+						(
+							SELECT
+								oe_kurzbz, oe_parent_kurzbz, organisationseinheittyp_kurzbz
+							FROM
+								public.tbl_organisationseinheit
+							WHERE
+								oe_kurzbz in
+								(
+									SELECT
+										oe_kurzbz
+									FROM
+										public.tbl_rt_studienplan
+									JOIN 	
+										lehre.tbl_studienplan sp USING (studienplan_id)
+									JOIN 
+										lehre.tbl_studienordnung USING (studienordnung_id)
+									JOIN
+										public.tbl_studiengang sg USING (studiengang_kz)
+										WHERE
+										tbl_rt_studienplan.reihungstest_id = tbl_reihungstest.reihungstest_id
+								)
+							AND 
+								aktiv = true
+								
+							UNION ALL
+							
+							SELECT
+								o.oe_kurzbz, o.oe_parent_kurzbz, o.organisationseinheittyp_kurzbz
+							FROM
+								public.tbl_organisationseinheit o, meine_oes
+							WHERE
+								o.oe_kurzbz = meine_oes.oe_parent_kurzbz
+							AND 
+								aktiv = true
+						)
+					SELECT
+						ARRAY_TO_STRING(ARRAY_AGG(DISTINCT tbl_organisationseinheit.bezeichnung),\', \')
+					FROM
+						meine_oes
+						JOIN public.tbl_organisationseinheit USING(oe_kurzbz)
+					WHERE
+						meine_oes.organisationseinheittyp_kurzbz=\'Fakultaet\'
+				)
+				AS fakultaet
+			FROM
+				public.tbl_reihungstest
+			JOIN
+				public.tbl_studiengang
+				USING (studiengang_kz)
+			WHERE 
+				tbl_reihungstest.datum >= now()
+			AND
+				tbl_reihungstest.oeffentlich = \'t\'
+			GROUP BY
+				tbl_studiengang.bezeichnung,
+				oe_kurzbz,
+				reihungstest_id
+			)
+			AS tbl
+		ORDER BY
+			fakultaet,
+			freie_plaetze
+		';
+		
+		return $this->execQuery($query);
+	}
 }