extend query getStudents, change zuordnung_type from uid to prestudent

2026-07-25 16:44:28 +00:00 · 2025-10-08 09:12:54 +02:00
parent 984d81edb6
commit 450789ed72
3 changed files with 193 additions and 62 deletions
@@ -782,4 +782,170 @@ class Prestudent_model extends DB_Model

 		return $this->execQuery($query, array($person_id));
 	}
+
+	/**
+	 * Version in raw sql to fetch Students for loading StudentList
+	 * @param integer $studiengang_kz
+	 * @param string $studiensemester_kurzbz
+	 * @param Array $allowedStg
+	 * @param integer $semester (optional)
+	 * @param string $verband (optional)
+	 * @param integer $gruppe (optional)
+	 * @param string $gruppe_kurzbz (optional)
+	 * @param string $orgform_kurzbz (optional)
+	 *
+	 * @return object
+	 */
+	public function fetchStudents($studiensemester_kurzbz, $studiengang_kz, $allowedStg, $semester, $verband, $gruppe, $gruppe_kurzbz, $orgform_kurzbz)
+	{
+
+		$stdsemEsc = $studiensemester_kurzbz ? $this->db->escape($studiensemester_kurzbz) : 'NULL';
+		$orgform_kurzbzEsc = $orgform_kurzbz ? $this->db->escape($orgform_kurzbz) : 'NULL';
+
+		$qry = "WITH prestudenten AS (
+					SELECT *
+					FROM public.tbl_prestudent
+							),
+			". $this->getTagsCTE() . "
+			SELECT b.uid,
+			  COALESCE(tag_data_agg.tags, '[]'::json) AS tags,
+			titelpre, nachname, vorname, wahlname, vornamen, titelpost, ersatzkennzeichen, gebdatum, geschlecht, foto, foto_sperre,
+			UPPER(stg.typ || stg.kurzbz) AS studiengang, tbl_prestudent.studiengang_kz, stg.bezeichnung AS stg_bezeichnung, s.matrikelnr,
+			p.person_id, pls.status_kurzbz AS status, pls.datum AS status_datum, pls.bestaetigtam AS status_bestaetigung,
+			(SELECT kontakt FROM public.tbl_kontakt WHERE kontakttyp='email' AND person_id=p.person_id AND zustellung LIMIT 1) AS mail_privat,
+			CASE
+				WHEN b.uid IS NOT NULL AND b.uid<>''
+				THEN CONCAT(b.uid, '@', " . $this->db->escape(DOMAIN) .")
+				ELSE ''
+			END AS mail_intern, p.anmerkung AS anmerkungen, tbl_prestudent.anmerkung, pls.orgform_kurzbz, aufmerksamdurch_kurzbz,
+			(SELECT rt_gesamtpunkte AS punkte FROM public.tbl_prestudent WHERE prestudent_id=ps.prestudent_id) AS punkte,
+			tbl_prestudent.aufnahmegruppe_kurzbz, tbl_prestudent.dual, p.matr_nr, sp.bezeichnung AS studienplan_bezeichnung,
+			tbl_prestudent.prestudent_id, mentor, b.aktiv AS bnaktiv, v.semester, v.verband, v.gruppe, '' AS priorisierung_relativ,
+			(
+				SELECT status_kurzbz
+				FROM public.tbl_prestudentstatus pss
+				WHERE pss.prestudent_id = public.tbl_prestudent.prestudent_id
+				  AND pss.studiensemester_kurzbz = ?
+				ORDER BY GREATEST(pss.datum, '0001-01-01') DESC
+				LIMIT 1
+				) AS statusofsemester
+				FROM public.tbl_prestudent
+				LEFT JOIN public.tbl_studiengang stg USING (studiengang_kz)
+				JOIN public.tbl_person p USING (person_id)
+				JOIN public.tbl_student s USING (prestudent_id)
+				LEFT JOIN public.tbl_prestudentstatus pls ON pls.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, NULL)
+				AND pls.prestudent_id = tbl_prestudent.prestudent_id
+				AND pls.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, NULL)
+				AND pls.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, NULL)
+				LEFT JOIN lehre.tbl_studienplan sp USING (studienplan_id)
+				LEFT JOIN public.tbl_benutzer b ON s.student_uid=b.uid
+				JOIN public.tbl_studentlehrverband v ON v.student_uid=s.student_uid ";
+
+				$qry .= $studiensemester_kurzbz ? ' AND v.studiensemester_kurzbz = ' . $this->db->escape($studiensemester_kurzbz) : ' AND v.studiensemester_kurzbz =  IS NULL';
+
+				if($gruppe_kurzbz !== null)
+				{
+					$qry .= " JOIN public.tbl_benutzergruppe g USING (uid)";
+				}
+
+				$qry .= "
+				LEFT JOIN public.tbl_prestudentstatus ps ON ps.status_kurzbz=public.get_rolle_prestudent(tbl_prestudent.prestudent_id, ?)
+				AND ps.prestudent_id = tbl_prestudent.prestudent_id
+				AND ps.studiensemester_kurzbz=public.get_stdsem_prestudent(tbl_prestudent.prestudent_id, ?)
+				AND ps.ausbildungssemester=public.get_absem_prestudent(tbl_prestudent.prestudent_id, ?)
+				LEFT JOIN tag_data_agg ON tag_data_agg.prestudent_id = tbl_prestudent.prestudent_id
+				WHERE tbl_prestudent.studiengang_kz IN ?";
+
+				$params = array($stdsemEsc, $stdsemEsc, $stdsemEsc, $stdsemEsc, $allowedStg);
+
+				if (!$verband && !$gruppe && $orgform_kurzbz !== null)
+				{
+					$qry .= "
+					AND (
+						SELECT orgform_kurzbz
+						FROM public.tbl_prestudentstatus
+						WHERE prestudent_id=tbl_prestudent.prestudent_id
+						AND studiensemester_kurzbz=" . $stdsemEsc . "
+						ORDER BY datum DESC, insertamum DESC, ext_id DESC LIMIT 1
+					) =  " . $orgform_kurzbzEsc ;
+				}
+
+				if($semester !== null)
+				{
+					$qry .= " AND v.semester = ?";
+					$params[] = $semester;
+				}
+				if($verband !== null)
+				{
+					$qry .= " AND v.verband = ?";
+					$params[] = $verband;
+				}
+
+				if($gruppe !== null)
+				{
+					$qry .= " AND v.gruppe = ?";
+					$params[] = $gruppe;
+				}
+
+				if($gruppe_kurzbz !== null)
+				{
+					$qry .= " AND g.gruppe_kurzbz = ?";
+					$qry .= " AND g.studiensemester_kurzbz = ?";
+					$params[] = $gruppe_kurzbz;
+					$params[] = $stdsemEsc;
+				}
+				else
+				{
+					$qry .= " AND v.studiengang_kz = ?";
+					$params[] = $studiengang_kz;
+				}
+
+				$qry .= "
+					ORDER BY nachname ASC, vorname ASC
+				";
+		return $this->execReadOnlyQuery($qry, $params);
+	}
+
+	public function getTagsCTE()
+	{
+		$this->load->config('stv');
+		$tags = $this->config->item('tags');
+
+		$whereTags = '';
+		if (is_array($tags) && !isEmptyArray($tags))
+		{
+			$tags = array_keys($tags);
+
+			foreach ($tags as $key => $tag)
+			{
+				$tags[$key] = $this->db->escape($tag);
+			}
+
+			$whereTags = " AND tbl_notiz_typ.typ_kurzbz IN (" . implode(",", $tags) . ")";
+		}
+
+		return "tag_data_agg AS
+				(
+					SELECT
+						prestudent_id,
+						COALESCE(json_agg(tag ORDER BY done), '[]'::json) AS tags
+					FROM (
+							SELECT DISTINCT ON (public.tbl_notiz.notiz_id)
+								tbl_notiz.notiz_id AS id,
+								typ_kurzbz,
+								array_to_json(tbl_notiz_typ.bezeichnung_mehrsprachig)->>0 AS beschreibung,
+								text AS notiz,
+								style,
+								erledigt AS done,
+								prestudent_id
+							FROM public.tbl_notizzuordnung
+								JOIN public.tbl_notiz ON tbl_notizzuordnung.notiz_id = tbl_notiz.notiz_id
+								JOIN public.tbl_notiz_typ ON tbl_notiz.typ = tbl_notiz_typ.typ_kurzbz
+							WHERE prestudent_id IN (SELECT prestudent_id FROM prestudenten)"
+			. $whereTags.
+			") AS tag
+					GROUP BY prestudent_id
+				)";
+	}
+
 }