mirror of
https://github.com/FH-Complete/FHC-Core.git
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Gerald Raab
275 lines
8.3 KiB
PHP
275 lines
8.3 KiB
PHP
<?php
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/* Copyright (C) 2007 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: Christian Paminger <christian.paminger@technikum-wien.at>,
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* Andreas Oesterreicher <andreas.oesterreicher@technikum-wien.at>,
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* Rudolf Hangl <rudolf.hangl@technikum-wien.at> and
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* Gerald Raab <gerald.raab@technikum-wien.at>.
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*/
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class pruefung
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{
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var $conn; // resource DB-Handle
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var $new; // boolean
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var $errormsg; // string
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var $result = array(); // pruefung Objekt
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var $lehreinheit_id; // integer
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var $student_uid; // varchar(16)
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var $mitarbeiter_uid; // varchar(16)
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var $note; // smallint
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var $pruefungstyp_kurzbz; // varchar(16)
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var $datum; // Date
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var $anmerkung; // varchar(256)
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var $insertamum; // timestamp)
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var $insertvon; // varchar(16)
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var $updateamum; // timestamp
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var $updatevon; // varchar(16)
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var $ext_id; // bigint
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// **************************************************************
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// * Konstruktor
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// * @param conn Connection zur Datenbank
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// *
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// **************************************************************
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function pruefung($conn, $pruefung_id=null, $unicode=false)
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{
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$this->conn = $conn;
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if($unicode)
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$qry = "SET CLIENT_ENCODING TO 'UNICODE';";
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else
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$qry = "SET CLIENT_ENCODING TO 'LATIN9';";
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if(!pg_query($conn,$qry))
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{
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$this->errormsg = "Encoding konnte nicht gesetzt werden";
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return false;
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}
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if(is_numeric($pruefung_id))
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$this->load($pruefung_id);
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}
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// *****************************************************
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// * Laedt einen Prüfungsdatensatz
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// * @param pruefung_id ID
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// * @return true wenn ok, false im Fehlerfall
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// *****************************************************
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function load($pruefung_kz)
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{
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if(!is_numeric($pruefung_kz))
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{
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$this->errormsg = 'pruefung_kz muss eine gueltige Zahl sein';
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return false;
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}
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$qry = "SELECT * FROM lehre.tbl_pruefung WHERE pruefung_id=$pruefung_id";
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if($res = pg_query($this->conn, $qry))
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{
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if($row = pg_fetch_object($res))
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{
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$this->lehreinheit_id=$row->lehreinheit_id;
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$this->student_uid=$row->student_uid;
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$this->mitarbeiter_uid=$row->mitarbeiter_uid;
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$this->note=$row->note;
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$this->pruefungstyp_kurzbz=$row->pruefungstyp_kurzbz;
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$this->datum=$row->datum;
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$this->anmerkung=$row->anmerkung;
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$this->insertamum=$row->insertamum;
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$this->insertvon=$row->insertvon;
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$this->updateamum=$row->updateamum;
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$this->updatevon=$row->updatevon;
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$this->ext_id=$row->ext_id;
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}
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}
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else
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{
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$this->errormsg = 'Datensatz konnte nicht geladen werden';
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return false;
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}
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return true;
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}
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// *******************************************
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// * Liefert alle Studiengaenge
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// * @return true wenn ok, false im Fehlerfall
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// *******************************************
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function getAll($order=null, $student=null)
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{
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$qry = 'SELECT * FROM lehre.tbl_pruefung';
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if ($student)
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$qry.=' WHERE student ="'.$student.'"';
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if($order!=null)
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$qry .=" ORDER BY $order";
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if(!$res = pg_query($this->conn, $qry))
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{
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$this->errormsg = 'Datensatz konnte nicht geladen werden';
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return false;
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}
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while($row = pg_fetch_object($res))
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{
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$pruef_obj = new pruefung($this->conn);
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$pruef_obj->lehreinheit_id=$row->lehreinheit_id;
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$pruef_obj->student_uid=$row->student_uid;
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$pruef_obj->mitarbeiter_uid=$row->mitarbeiter_uid;
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$pruef_obj->note=$row->note;
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$pruef_obj->pruefungstyp_kurzbz=$row->pruefungstyp_kurzbz;
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$pruef_obj->datum=$row->datum;
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$pruef_obj->anmerkung=$row->anmerkung;
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$pruef_obj->insertamum=$row->insertamum;
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$pruef_obj->insertvon=$row->insertvon;
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$pruef_obj->updateamum=$row->updateamum;
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$pruef_obj->updatevon=$row->updatevon;
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$pruef_obj->ext_id=$row->ext_id;
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$this->result[] = $pruef_obj;
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}
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return true;
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}
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/**
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* Loescht einen Studiengang
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* @param $stg_id ID des zu loeschenden Studienganges
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* @return true wenn ok, false im Fehlerfall
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*/
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function delete($stg_id)
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{
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$this->errormsg = 'Noch nicht implementiert';
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return false;
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}
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function addslashes($var)
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{
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return ($var!=''?"'".addslashes($var)."'":'null');
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}
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/**
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* Prueft die Gueltigkeit der Variablen
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* @return true wenn ok, false im Fehlerfall
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*/
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function checkvars()
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{
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$this->anmerkung = str_replace("'",'´',$this->anmerkung);
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$this->insertvon = str_replace("'",'´',$this->insertvon);
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$this->updatevon = str_replace("'",'´',$this->updatevon);
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//Laenge Pruefen
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if(strlen($this->anmerkung)>256)
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{
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$this->errormsg = "Anmerkung darf nicht laenger als 256 Zeichen sein bei <b>$this->ext_id</b> - $this->anmerkung";
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return false;
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}
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if(strlen($this->insertvon)>16)
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{
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$this->errormsg = "Insertvon darf nicht laenger als 16 Zeichen sein bei <b>$this->ext_id</b> - $this->insertvon";
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return false;
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}
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if(strlen($this->updatevon)>10)
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{
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$this->errormsg = "Updatevon darf nicht laenger als 16 Zeichen sein bei <b>$this->ext_id</b> - $this->updatevon";
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return false;
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}
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$this->errormsg = '';
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return true;
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}
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/**
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* Speichert den aktuellen Datensatz
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* @return true wenn ok, false im Fehlerfall
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*/
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function save()
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{
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//Gueltigkeit der Variablen pruefen
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if(!$this->checkvars())
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{
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return false;
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}
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if($this->new)
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{
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//Pruefen ob pruefung_id gueltig ist
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/*
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if(!is_numeric($this->pruefung_id))
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{
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$this->errormsg = 'pruefung_id ungueltig! ('.$this->pruefung_id.'/'.$this->ext_id.')';
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return false;
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}
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*/
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//Neuen Datensatz anlegen
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$qry = 'INSERT INTO lehre.tbl_pruefung (lehreinheit_id, student_uid, mitarbeiter_uid, note, pruefungstyp_kurzbz, datum, anmerkung, insertamum, insertvon, updateamum, updatevon, ext_id) VALUES ('.
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$this->addslashes($this->lehreinheit_id).', '.
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$this->addslashes($this->student_uid).', '.
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$this->addslashes($this->mitarbeiter_uid).', '.
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$this->addslashes($this->note).', '.
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$this->addslashes($this->pruefungstyp_kurzbz).', '.
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$this->addslashes($this->datum).', '.
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$this->addslashes($this->anmerkung).', '.
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$this->addslashes($this->insertamum).', '.
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$this->addslashes($this->insertvon).', '.
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$this->addslashes($this->updateamum).', '.
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$this->addslashes($this->updatevon).', '.
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$this->addslashes($this->ext_id).');';
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}
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else
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{
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//bestehenden Datensatz akualisieren
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//Pruefen ob pruefung_id gueltig ist
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if(!is_numeric($this->pruefung_id))
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{
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$this->errormsg = 'pruefung_id ungueltig.';
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return false;
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}
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$qry = 'UPDATE lehre.tbl_pruefung SET '.
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'lehreinheit_id='.$this->addslashes($this->lehreinheit_id).', '.
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'student_uid='.$this->addslashes($this->student_uid).', '.
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'mitarbeiter_uid='.$this->addslashes($this->mitarbeiter_uid).', '.
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'note='.$this->addslashes($this->note).', '.
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'pruefungstyp_kurzbz='.$this->addslashes($this->pruefungstyp_kurzbz).', '.
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'datum='.$this->addslashes($this->datum).', '.
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'anmerkung='.$this->addslashes($this->anmerkung).', '.
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'insertamum='.$this->addslashes($this->insertamum).', '.
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'insertvon='.$this->addslashes($this->insertvon).', '.
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'updateamum='.$this->addslashes($this->updateamum).', '.
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'updatevon='.$this->addslashes($this->updatevon).', '.
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'ext_id='.$this->addslashes($this->ext_id).' '.
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'WHERE pruefung_id='.$this->addslashes($this->pruefung_id).';';
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}
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//echo $qry;
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if(pg_query($this->conn, $qry))
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{
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Speichern des Datensatzes';
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return false;
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}
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}
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}
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?>
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