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Testtool
- hinzufügen von Vorschlägen nun möglich
This commit is contained in:
Andreas Österreicher
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<?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> and
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* Rudolf Hangl <rudolf.hangl@technikum-wien.at>.
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*/
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class vorschlag
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{
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//Tabellenspalten
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var $vorschlag_id;
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var $frage_id;
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var $nummer;
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var $antwort;
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var $text;
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var $bild;
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// ErgebnisArray
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var $result=array();
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var $num_rows=0;
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var $errormsg;
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var $new;
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// *************************************************************************
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// * Konstruktor - Uebergibt die Connection und laedt optional einen vorschlag
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// * @param $conn Datenbank-Connection
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// * $frage_id Frage die geladen werden soll (default=null)
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// * $unicode Gibt an ob die Daten mit UNICODE Codierung
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// * oder LATIN9 Codierung verarbeitet werden sollen
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// *************************************************************************
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function vorschlag($conn, $vorschlag_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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$this->errormsg = 'Encoding konnte nicht gesetzt werden';
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return false;
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}
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if($vorschlag_id != null)
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$this->load($vorschlag_id);
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}
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// ***********************************************************
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// * Laedt Vorschlag mit der uebergebenen ID
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// * @param $vorschlag_id ID des Vorschlages der geladen werden soll
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// ***********************************************************
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function load($vorschlag_id)
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{
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$qry = "SELECT * FROM testtool.tbl_vorschlag WHERE vorschlag_id='".addslashes($vorschlag_id)."'";
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if($result = pg_query($this->conn, $qry))
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{
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if($row = pg_fetch_object($result))
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{
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$this->vorschlag_id = $row->vorschlag_id;
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$this->frage_id = $row->frage_id;
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$this->antwort = $row->antwort;
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$this->nummer = $row->nummer;
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$this->text = $row->text;
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$this->bild = $row->bild;
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return true;
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}
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else
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{
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$this->errormsg = "Kein Eintrag gefunden fuer $vorschlag_id";
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return false;
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}
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}
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else
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{
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$this->errormsg = "Fehler beim laden: $qry";
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return false;
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}
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}
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// ************************************************
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// * wenn $var '' ist wird NULL zurueckgegeben
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// * wenn $var !='' ist werden Datenbankkritische
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// * Zeichen mit Backslash versehen und das Ergbnis
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// * unter Hochkomma gesetzt.
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// ************************************************
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function addslashes($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 Variablen vor dem Speichern
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// * auf Gueltigkeit.
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// * @return true wenn ok, false im Fehlerfall
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// *******************************************
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function validate()
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{
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return true;
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}
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// ******************************************************************
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// * Speichert die Benutzerdaten in die Datenbank
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// * Wenn $new auf true gesetzt ist wird ein neuer Datensatz angelegt
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// * ansonsten der Datensatz mit $uid upgedated
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// * @return true wenn erfolgreich, false im Fehlerfall
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// ******************************************************************
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function save()
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{
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//Variablen auf Gueltigkeit pruefen
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if(!$this->validate())
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return false;
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if($this->new) //Wenn new true ist dann ein INSERT absetzen ansonsten ein UPDATE
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{
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$qry = 'INSERT INTO testtool.tbl_vorschlag (frage_id, nummer, antwort, text, bild) VALUES('.
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"'".addslashes($this->frage_id)."',".
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$this->addslashes($this->nummer).",".
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$this->addslashes($this->antwort).",".
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$this->addslashes($this->text).",".
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$this->addslashes($this->bild).");";
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}
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else
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{
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$qry = 'UPDATE testtool.tbl_vorschlag SET'.
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' frage_id='.$this->addslashes($this->frage_id).','.
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' nummer='.$this->addslashes($this->nummer).','.
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' antwort='.$this->addslashes($this->antwort).','.
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' text='.$this->addslashes($this->text);
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if($this->bild!='')
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$qry.=' , bild='.$this->addslashes($this->bild);
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$qry.=" WHERE vorschlag_id='".addslashes($this->vorschlag_id)."';";
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}
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if(pg_query($this->conn,$qry))
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{
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//Log schreiben
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Speichern der Frage:'.$qry;
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return false;
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}
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}
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function getVorschlag($frage_id)
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{
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$qry = "SELECT * FROM testtool.tbl_vorschlag WHERE frage_id='".addslashes($frage_id)."' ORDER BY nummer";
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if($result = pg_query($this->conn, $qry))
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{
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while($row = pg_fetch_object($result))
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{
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$vs = new vorschlag($this->conn);
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$vs->vorschlag_id = $row->vorschlag_id;
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$vs->frage_id = $row->frage_id;
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$vs->nummer = $row->nummer;
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$vs->antwort = $row->antwort;
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$vs->text = $row->text;
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$vs->bild = $row->bild;
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$this->result[] = $vs;
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}
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return true;
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}
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else
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{
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$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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function delete($vorschlag_id)
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{
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$qry = "DELETE FROM testtool.tbl_vorschlag WHERE vorschlag_id='".addslashes($vorschlag_id)."'";
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if(pg_query($this->conn, $qry))
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return true;
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else
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{
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$this->errormsg = 'Fehler beim loeschen';
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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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