mirror of
https://github.com/FH-Complete/FHC-Core.git
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194 lines
5.2 KiB
PHP
Executable File
194 lines
5.2 KiB
PHP
Executable File
<?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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require_once(dirname(__FILE__).'/basis_db.class.php');
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class antwort extends basis_db
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{
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//Tabellenspalten
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public $antwort_id;
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public $pruefling_id;
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public $vorschlag_id;
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// ErgebnisArray
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public $result=array();
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public $num_rows=0;
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public $new;
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/**
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* Konstruktor - Uebergibt die Connection und laedt optional eine Antwort
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* @param $frage_id Frage die geladen werden soll (default=null)
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*/
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public function __construct($antwort_id=null)
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{
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parent::__construct();
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if(!is_null($antwort_id))
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$this->load($antwort_id);
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}
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/**
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* Laedt Antwort mit der uebergebenen ID
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* @param $antwort_id ID der Frage die geladen werden soll
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*/
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public function load($antwort_id)
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{
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$qry = "SELECT * FROM testtool.tbl_antwort WHERE antwort_id=".$this->db_add_param($antwort_id, FHC_INTEGER);
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if($this->db_query($qry))
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{
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if($row = $this->db_fetch_object())
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{
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$this->antwort_id = $row->antwort_id;
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$this->pruefling_id = $row->pruefling_id;
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$this->vorschlag_id = $row->vorschlag_id;
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return true;
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}
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else
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{
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$this->errormsg = 'Kein Eintrag gefunden';
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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 der Antwort";
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return false;
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}
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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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protected 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 Daten in die Datenbank
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* Wenn $new auf true gesetzt ist wird ein neuer Datensatz angelegt
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* ansonsten upgedated
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* @return true wenn erfolgreich, false im Fehlerfall
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*/
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public function save()
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{
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//Variablen auf Gueltigkeit pruefen
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if(!$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_antwort (pruefling_id, vorschlag_id) VALUES('.
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$this->db_add_param($this->pruefling_id, FHC_INTEGER).",".
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$this->db_add_param($this->vorschlag_id, FHC_INTEGER).");";
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}
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else
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{
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$qry = 'UPDATE testtool.tbl_antwort SET'.
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' vorschlag_id='.$this->db_add_param($this->vorschlag_id, FHC_INTEGER).','.
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' pruefling_id='.$this->db_add_param($this->pruefling_id, FHC_INTEGER).','.
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" WHERE antwort_id=".$this->db_add_param($this->antwort_id, FHC_INTEGER,false);
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}
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if($this->db_query($qry))
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{
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//Log schreiben
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Speichern der Antwort';
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return false;
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}
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}
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/**
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* Loescht einen Eintrag aus der Tabelle tbl_antwort
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*
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* @param $antwort_id
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* @return true wenn ok, false im Fehlerfall
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*/
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public function delete($antwort_id)
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{
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if(!is_numeric($antwort_id) || $antwort_id=='')
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{
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$this->errormsg = 'Antwort_id ist ungueltig';
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return false;
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}
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$qry = "DELETE FROM testtool.tbl_antwort WHERE antwort_id=".$this->db_add_param($antwort_id, FHC_INTEGER, false);
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if($this->db_query($qry))
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{
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Löschen der Antwort';
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return false;
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}
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}
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/**
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* Liefert die Antwort eines Pruefling zu einer Frage
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*
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* @param $pruefling_id
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* @param $frage_id
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* @return boolean
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*/
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public function getAntwort($pruefling_id, $frage_id)
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{
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$qry = "SELECT * FROM testtool.tbl_antwort JOIN testtool.tbl_pruefling_frage USING(pruefling_id)
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JOIN testtool.tbl_vorschlag USING(vorschlag_id)
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WHERE
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tbl_vorschlag.frage_id=tbl_pruefling_frage.frage_id AND
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pruefling_id=".$this->db_add_param($pruefling_id, FHC_INTEGER)." AND
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tbl_vorschlag.frage_id=".$this->db_add_param($frage_id, FHC_INTEGER, false);
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if($this->db_query($qry))
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{
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while($row = $this->db_fetch_object())
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{
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$obj = new antwort();
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$obj->antwort_id = $row->antwort_id;
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$obj->frage_id = $row->frage_id;
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$obj->vorschlag_id = $row->vorschlag_id;
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$obj->begintime = $row->begintime;
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$obj->endtime = $row->endtime;
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$obj->pruefling_id = $row->pruefling_id;
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$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 = 'Antwort konnte nicht geladen werden';
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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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