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Relative Priorisierung in FAS

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Manfred Kindl
2019-01-31 16:18:22 +01:00
parent a0c5a42aed
commit 60d45a0239
3 changed files with 69 additions and 8 deletions
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include/prestudent.class.php
+58
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@@ -1982,4 +1982,62 @@ class prestudent extends person
}
}
/**
* Liefert die relative Priorität (zB 1, 2, 3) eines PreStudenten Anhand seiner absoluten Priorität (zB 9, 10, 11)
* @param integer $prestudent_id PrestudentID deren relative Priorität ermittelt werden soll
* @param string $priorisierungAbsolut Absolute Priorität deren relative Platzierung ermittelt werden soll
* @return integer Relative Platzierung des PreStudenten oder false im Fehlerfall
*/
public function getRelativePriorisierungFromAbsolut($prestudent_id, $priorisierungAbsolut)
{
$qry = "SELECT count(*) AS prio_relativ
FROM (
SELECT *,
(
SELECT status_kurzbz
FROM PUBLIC.tbl_prestudentstatus
WHERE prestudent_id = pss.prestudent_id
ORDER BY datum DESC,
tbl_prestudentstatus.insertamum DESC LIMIT 1
) AS laststatus
FROM PUBLIC.tbl_prestudent pss
JOIN PUBLIC.tbl_prestudentstatus USING (prestudent_id)
WHERE person_id = (
SELECT person_id
FROM PUBLIC.tbl_prestudent
WHERE prestudent_id = ".$this->db_add_param($prestudent_id, FHC_INTEGER)."
)
AND studiensemester_kurzbz = (
SELECT studiensemester_kurzbz
FROM PUBLIC.tbl_prestudentstatus
WHERE prestudent_id = ".$this->db_add_param($prestudent_id, FHC_INTEGER)."
AND status_kurzbz = 'Interessent' LIMIT 1
)
AND status_kurzbz = 'Interessent'
) prest
WHERE laststatus NOT IN ('Abbrecher', 'Abgewiesener', 'Absolvent')
AND priorisierung <= ".$this->db_add_param($priorisierungAbsolut, FHC_INTEGER);
if($result = $this->db_query($qry))
{
if($row = $this->db_fetch_object($result))
{
return $row->prio_relativ;
}
else
{
$this->errormsg = 'Fehler beim Laden der Daten';
return false;
}
}
else
{
$this->errormsg = 'Fehler beim Laden der Daten';
return false;
}
}
}