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https://github.com/FH-Complete/FHC-Core.git
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Added getTemplateLvTree method to Lehrveranstaltung_model.php
This method gets all Templates and unions with all Lehrveranstaltungen of given Studiensemester and Oes, that are assigned to a template. This data structure can be used for nested tabulator data tree.
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Cris
@@ -201,6 +201,166 @@ class Lehrveranstaltung_model extends DB_Model
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return $this->execQuery($qry, $params);
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}
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/**
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* Get all Templates and union with all Lehrveranstaltungen of given Studiensemester and Oes, that are assigned to
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* a template. This data structure can be used for nested tabulator data tree.
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*
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* @param null|string $studiensemester_kurzbz
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* @param null|array $oes
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* @return array|stdClass|null
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*/
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public function getTemplateLvTree($studiensemester_kurzbz = null, $oes = null){
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$params = [];
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$qry = '
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WITH
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-- All Lvs that are assigned to a template in given Studiensemester for given Oes
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-- joining via actual Studienplan
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standardisierteLvs AS (
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SELECT
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lv.*,
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stpl.studienplan_id::text as studienplan_id,
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stpl.bezeichnung AS studienplan_bezeichnung,
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stplsem.studiensemester_kurzbz
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FROM
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lehre.tbl_studienplan stpl
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JOIN lehre.tbl_studienordnung sto USING (studienordnung_id)
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JOIN lehre.tbl_studienplan_semester stplsem USING (studienplan_id)
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JOIN lehre.tbl_studienplan_lehrveranstaltung stpllv ON (stpllv.studienplan_id = stpl.studienplan_id AND stpllv.semester = stplsem.semester)
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JOIN lehre.tbl_lehrveranstaltung lv USING (lehrveranstaltung_id)
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JOIN public.tbl_organisationseinheit oe USING (oe_kurzbz)
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JOIN public.tbl_studiengang stg ON stg.studiengang_kz = sto.studiengang_kz
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JOIN public.tbl_studiengangstyp stgtyp ON stgtyp.typ = stg.typ
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WHERE
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-- filter type lv
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lehrtyp_kurzbz = \'lv\'
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-- filter lvs assigned to template (= standardisierte lv)
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AND lehrveranstaltung_template_id IS NOT NULL';
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if (is_string($studiensemester_kurzbz))
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{
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/* filter by studiensemester */
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$params[]= $studiensemester_kurzbz;
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$qry.= ' AND stplsem.studiensemester_kurzbz = ? ';
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}
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if (is_array($oes))
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{
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/* filter by organisationseinheit */
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$params[]= $oes;
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$qry.= ' AND lv.oe_kurzbz IN ? ';
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}
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$qry.= '
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),
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-- All templates
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templateLvs AS (
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SELECT
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lv.*,
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NULL AS studienplan_id,
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(
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SELECT string_agg(stpl_bezeichnung, \', \')
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FROM
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(
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SELECT stlv.studienplan_bezeichnung AS stpl_bezeichnung
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FROM standardisierteLvs stlv
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WHERE stlv.lehrveranstaltung_template_id = lv.lehrveranstaltung_id
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) AS studienplaene
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) AS studienplan_bezeichnung,
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NULL AS studiensemester_kurzbz
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FROM
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lehre.tbl_lehrveranstaltung lv
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WHERE
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-- filter type template
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lehrtyp_kurzbz = \'tpl\'
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-- filter semester that were retrieved by standardisierte lvs semester for selected studiensemester
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AND EXISTS (
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SELECT 1
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FROM standardisierteLvs std
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WHERE std.lehrveranstaltung_template_id = lv.lehrveranstaltung_id
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)';
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if (is_array($oes))
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{
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/* filter by organisationseinheit */
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$params[]= $oes;
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$qry.= ' AND lv.oe_kurzbz IN ? ';
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}
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$qry.= '
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)
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';
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$qry.= '
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SELECT
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lv.lehrveranstaltung_id,
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lv.kurzbz,
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lv.lehrtyp_kurzbz,
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lv.bezeichnung AS lv_bezeichnung,
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lv.bezeichnung_english,
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lv.studiengang_kz,
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lv.semester,
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lv.oe_kurzbz,
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lv.ects,
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lv.lehrform_kurzbz,
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lv.orgform_kurzbz,
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lv.sprache,
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lv.aktiv,
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lv.lehrveranstaltung_template_id,
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lv.studienplan_id,
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lv.studienplan_bezeichnung,
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lv.studiensemester_kurzbz,
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upper(stg.typ || stg.kurzbz) AS "stg_typ_kurzbz",
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stg.bezeichnung AS "stg_bezeichnung",
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stgtyp.bezeichnung AS "stg_typ_bezeichnung",
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CASE
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WHEN oe.organisationseinheittyp_kurzbz = \'Kompetenzfeld\' THEN (\'KF \' || oe.bezeichnung)
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WHEN oe.organisationseinheittyp_kurzbz = \'Department\' THEN (\'DEP \' || oe.bezeichnung)
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ELSE (oe.organisationseinheittyp_kurzbz || \' \' || oe.bezeichnung)
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END AS "lv_oe_bezeichnung",
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(
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-- comma seperated string of all lehreinheitgruppen
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SELECT string_agg(bezeichnung, \', \') AS lehreinheitgruppe_bezeichnung
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FROM(
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-- distinct bezeichnung, as may come multiple times from different lehreinheiten
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SELECT DISTINCT ON (studiengang_kz, bezeichnung) studiengang_kz, bezeichnung FROM
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(
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-- distinct lehreinheitgruppe, as may come multiple times from different lehrform
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SELECT DISTINCT ON (legr.lehreinheitgruppe_id) legr.studiengang_kz,
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-- get Spezialgruppe or Lehrverbandgruppe
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COALESCE(
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legr.gruppe_kurzbz,
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CONCAT( UPPER(stg1.typ), UPPER(stg1.kurzbz), \'-\', legr.semester, legr.verband, legr.gruppe )
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) as bezeichnung
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FROM lehre.tbl_lehreinheitgruppe legr
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JOIN lehre.tbl_lehreinheit le USING (lehreinheit_id)
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JOIN lehre.tbl_lehrveranstaltung lv1 USING (lehrveranstaltung_id)
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JOIN public.tbl_studiengang stg1 ON stg1.studiengang_kz = legr.studiengang_kz
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WHERE lv1.lehrveranstaltung_id = lv.lehrveranstaltung_id
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AND le.studiensemester_kurzbz = lv.studiensemester_kurzbz
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) AS lehreinheitgruppen
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GROUP BY studiengang_kz, bezeichnung
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ORDER BY studiengang_kz DESC
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) AS uniqueLehreinheitgruppen_bezeichnung
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) AS lehreinheitgruppen_bezeichnung
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FROM (
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SELECT
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*
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FROM
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standardisierteLvs
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UNION
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SELECT
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*
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FROM templateLvs
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) AS lv
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JOIN public.tbl_studiengang stg ON stg.studiengang_kz = lv.studiengang_kz
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JOIN public.tbl_studiengangstyp stgtyp ON stgtyp.typ = stg.typ
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JOIN public.tbl_organisationseinheit oe ON oe.oe_kurzbz = lv.oe_kurzbz
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ORDER BY
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oe.bezeichnung, lv.semester, lv.bezeichnung
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';
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return $this->execQuery($qry, $params);
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}
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/**
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* Gets unique Groupstrings for Lehrveranstaltungen, e.g. WS2018_BIF_1_PRJM_VZ_LV12345
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* @param string $studiensemester_kurzbz
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