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Anpassungen Moodle2.4
This commit is contained in:
Andreas Österreicher
@@ -0,0 +1,278 @@
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<?php
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/* Copyright (C) 2013 FH Technikum-Wien
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Authors: Andreas Oesterreicher <andreas.oesterreicher@technikum-wien.at>
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*/
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require_once(dirname(__FILE__).'/basis_db.class.php');
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class moodle extends basis_db
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{
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public $result = array();
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public $moodle_id;
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public $mdl_course_id;
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public $lehreinheit_id;
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public $lehrveranstaltung_id;
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public $studiensemester_kurzbz;
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public $insertamum;
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public $insertvon;
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public $gruppen;
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public $moodle_version;
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public $version;
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/**
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* Konstruktor
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*
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*/
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public function __construct()
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{
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$this->getVersionen();
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return true;
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}
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/**
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* Laedt alle Moodlekurse zu einer LV/Stsem
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* plus die Moodlekurse die auf dessen LE haengen
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*
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* @param lehrveranstaltung_id
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* @param studiensemester_kurzbz
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*
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* @return true wenn ok, false im Fehlerfall
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*/
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public function getAll($lehrveranstaltung_id, $studiensemester_kurzbz)
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{
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$qry = "SELECT
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distinct on(mdl_course_id) *
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FROM
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lehre.tbl_lehrveranstaltung, lehre.tbl_lehreinheit, lehre.tbl_moodle
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WHERE
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tbl_lehrveranstaltung.lehrveranstaltung_id=tbl_lehreinheit.lehrveranstaltung_id
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AND tbl_lehrveranstaltung.lehrveranstaltung_id = ".$this->db_add_param($lehrveranstaltung_id, FHC_INTEGER)."
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AND tbl_lehreinheit.studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz)."
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AND ((tbl_lehrveranstaltung.lehrveranstaltung_id=tbl_moodle.lehrveranstaltung_id
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AND tbl_moodle.studiensemester_kurzbz=tbl_lehreinheit.studiensemester_kurzbz)
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OR
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(tbl_lehreinheit.lehreinheit_id=tbl_moodle.lehreinheit_id))";
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if($result=$this->db_query($qry))
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{
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while($row = $this->db_fetch_object($result))
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{
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$obj = new stdClass();
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$obj->moodle_id = $row->moodle_id;
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$obj->mdl_course_id = $row->mdl_course_id;
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$obj->lehreinheit_id = $row->lehreinheit_id;
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$obj->lehrveranstaltung_id = $row->lehrveranstaltung_id;
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$obj->studiensemester_kurzbz = $row->studiensemester_kurzbz;
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$obj->insertamum = $row->insertamum;
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$obj->insertvon = $row->insertvon;
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$obj->gruppen = $this->db_parse_bool($row->gruppen);
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$obj->moodle_version = $row->moodle_version;
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$this->result[] = $obj;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Laden der Daten';
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return false;
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}
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}
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/**
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* Schaut ob fuer diese LV/StSem schon ein
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* Moodle Kurs existiert
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*
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* @param lehrveranstaltung_id
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* @param studiensemester_kurzbz
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* @return true wenn vorhanden, false wenn nicht
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*/
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public function course_exists_for_lv($lehrveranstaltung_id, $studiensemester_kurzbz)
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{
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$qry = "SELECT
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1
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FROM
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lehre.tbl_moodle
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WHERE
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lehrveranstaltung_id=".$this->db_add_param($lehrveranstaltung_id, FHC_INTEGER)."
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AND studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz);
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if($this->db_query($qry))
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{
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if($this->db_num_rows()>0)
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return true;
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else
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return false;
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}
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else
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{
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$this->errormsg = 'Fehler bei einer Datenbankabfrage';
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return false;
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}
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}
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/**
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* Schaut ob fuer diese LE schon ein Moodle
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* Kurs existiert
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* @param lehreinheit_id
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* @return true wenn vorhanden, false wenn nicht
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*/
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public function course_exists_for_le($lehreinheit_id)
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{
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$qry = "SELECT 1 FROM lehre.tbl_moodle WHERE lehreinheit_id=".$this->db_add_param($lehreinheit_id, FHC_INTEGER);
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if($this->db_query($qry))
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{
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if($this->db_num_rows()>0)
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return true;
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else
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return false;
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}
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else
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{
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$this->errormsg = 'Fehler bei Datenbankabfrage';
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return false;
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}
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}
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/**
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* Prueft ob fuer alle Lehreinheiten dieser LV bereits ein Moodlekurs existiert
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*
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* @param lehrveranstaltung_id
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* @param studiensemester_kurzbz
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* @return true wenn vorhanden, false wenn nicht
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*/
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public function course_exists_for_allLE($lehrveranstaltung_id, $studiensemester_kurzbz)
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{
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$qry = "SELECT 1 FROM lehre.tbl_lehreinheit
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WHERE
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lehrveranstaltung_id=".$this->db_add_param($lehrveranstaltung_id, FHC_INTEGER)."
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AND studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz)."
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AND lehreinheit_id NOT IN (
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SELECT lehreinheit_id FROM lehre.tbl_moodle
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WHERE lehreinheit_id=tbl_lehreinheit.lehreinheit_id)";
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if($this->db_query($qry))
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{
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if($this->db_num_rows()>0)
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return false;
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else
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler bei einer Datenbankabfrage';
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return false;
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}
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}
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/**
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* Laedt die Moodle Versionsinformationen
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*/
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public function getVersionen()
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{
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$qry = "SELECT * FROM lehre.tbl_moodle_version";
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if($result = $this->db_query($qry))
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{
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while($row = $this->db_fetch_object($result))
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{
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$this->version[$row->moodle_version]['bezeichnung']=$row->bezeichnung;
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$this->version[$row->moodle_version]['pfad']=$row->pfad;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Laden der Versionsdaten';
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return false;
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}
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}
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/**
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* Liefert den Pfad zur Moodle Installation
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* @param version Versionsnummer
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* @return pfad (URL) zur Moodle Installation
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*/
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public function getPfad($version)
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{
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if(isset($this->version[$version]['pfad']))
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return $this->version[$version]['pfad'];
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}
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/**
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* Liefert alle Kurse dieser LV zu denen der Student
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* zugeteilt ist
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*
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* @param lehrveranstaltung_id
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* @param studiensemester_kurzbz
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* @param student_uid
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* @return array mit Moodle Kurs IDs
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*/
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public function getCourse($lehrveranstaltung_id, $studiensemester_kurzbz, $student_uid)
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{
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//alle betreffenden Kurse holen
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$qry = "SELECT
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tbl_lehreinheit.lehreinheit_id, mdl_course_id, tbl_moodle.moodle_version
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FROM
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lehre.tbl_moodle
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JOIN lehre.tbl_lehreinheit USING(lehrveranstaltung_id, studiensemester_kurzbz)
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WHERE
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tbl_moodle.lehrveranstaltung_id=".$this->db_add_param($lehrveranstaltung_id, FHC_INTEGER)."
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AND tbl_moodle.studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz)."
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UNION
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SELECT
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tbl_lehreinheit.lehreinheit_id, mdl_course_id, tbl_moodle.moodle_version
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FROM
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lehre.tbl_moodle
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JOIN lehre.tbl_lehreinheit USING(lehreinheit_id)
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WHERE
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tbl_lehreinheit.lehrveranstaltung_id=".$this->db_add_param($lehrveranstaltung_id, FHC_INTEGER)."
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AND tbl_lehreinheit.studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz);
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$courses = array();
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if($result = $this->db_query($qry))
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{
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while($row = $this->db_fetch_object($result))
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{
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//schauen in welchen Kursen der Student ist
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$qry = "SELECT 1 FROM campus.vw_student_lehrveranstaltung
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WHERE
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uid=".$this->db_add_param($student_uid)."
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AND lehreinheit_id=".$this->db_add_param($row->lehreinheit_id, FHC_INTEGER);
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if($result_vw = $this->db_query($qry))
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{
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if($this->db_num_rows($result_vw)>0)
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{
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if(!array_key_exists($row->mdl_course_id, $courses))
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{
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$obj = new stdClass();
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$obj->mdl_course_id = $row->mdl_course_id;
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$obj->moodle_version = $row->moodle_version;
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$this->result[] = $obj;
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}
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}
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}
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}
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}
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return true;
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}
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}
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