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https://github.com/FH-Complete/FHC-Core.git
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Points to Grade conversion
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@@ -11,4 +11,34 @@ class Notenschluesselaufteilung_model extends DB_Model
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$this->dbTable = 'lehre.tbl_notenschluesselaufteilung';
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$this->pk = 'notenschluesselaufteilung_id';
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}
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/**
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* Liefert die Note zu Punkten einer Lehrveranstaltung
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*
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* @param number $points
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* @param integer $lehrveranstaltung_id
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* @param string $studiensemester_kurzbz
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*
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* @return stdClass
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*/
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public function getNote($points, $lehrveranstaltung_id, $studiensemester_kurzbz)
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{
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$this->load->model('education/Notenschluesselzuordnung_model', 'NotenschluesselzuordnungModel');
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$notenschluessel_kurzbz = $this->NotenschluesselzuordnungModel->getKurzbzForLv($lehrveranstaltung_id, $studiensemester_kurzbz);
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$this->addSelect("note");
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$this->addOrder("punkte", "DESC");
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$this->addLimit(1);
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$result = $this->loadWhere([
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"notenschluessel_kurzbz" => $notenschluessel_kurzbz,
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"punkte <=" => $points
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]);
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if (isError($result))
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return $result;
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if (!hasData($result))
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return error("Es wurde kein passender eintrag gefunden"); // TODO(chris): phrase
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return success(current(getData($result))->note);
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}
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}
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@@ -11,4 +11,70 @@ class Notenschluesselzuordnung_model extends DB_Model
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$this->dbTable = 'lehre.tbl_notenschluesselzuordnung';
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$this->pk = 'notenschluesselzuordnung_id';
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}
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/**
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* Liefert den passenden Notenschluessel zu einer Lehrveranstaltung
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*
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* @param integer $lehrveranstaltung_id
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* @param string $studiensemester_kurzbz
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*
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* @return integer|null
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*/
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public function getKurzbzForLv($lehrveranstaltung_id, $studiensemester_kurzbz)
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{
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$this->addSelect("notenschluessel_kurzbz");
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$this->db->where("lehrveranstaltung_id", $lehrveranstaltung_id);
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if ($studiensemester_kurzbz) {
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$this->db->where_in("studiensemester_kurzbz", [$studiensemester_kurzbz, null]);
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} else {
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$this->db->where("studiensemester_kurzbz", null);
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}
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$result = $this->load();
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if (!isError($result) && hasData($result))
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return current(getData($result))->notenschluessel_kurzbz;
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$this->addSelect("notenschluessel_kurzbz");
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$this->addJoin("(
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WITH RECURSIVE oes(oe_kurzbz, oe_parent_kurzbz, depth) AS (
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SELECT oe_kurzbz, oe_parent_kurzbz, 1
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FROM public.tbl_organisationseinheit
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WHERE oe_kurzbz = (
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SELECT
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oe_kurzbz
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FROM
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lehre.tbl_lehrveranstaltung
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WHERE
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lehrveranstaltung_id = " . $this->escape($lehrveranstaltung_id) . "
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)
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UNION ALL
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SELECT o.oe_kurzbz, o.oe_parent_kurzbz, oes.depth+1 AS depth
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FROM public.tbl_organisationseinheit o, oes
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WHERE o.oe_kurzbz = oes.oe_parent_kurzbz
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AND aktiv = true
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)
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SELECT * FROM oes
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) oes", "oe_kurzbz");
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$this->addOrder("depth", "ASC");
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$this->addLimit(1);
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if ($studiensemester_kurzbz) {
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$this->db->where_in("studiensemester_kurzbz", [$studiensemester_kurzbz, null]);
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$result = $this->load();
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} else {
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$result = $this->loadWhere([
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"studiensemester_kurzbz" => null
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]);
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}
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if (isError($result) || !hasData($result))
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return null;
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return current(getData($result))->notenschluessel_kurzbz;
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}
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}
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