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https://github.com/FH-Complete/FHC-Core.git
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Andreas Österreicher
89114e8729
- Senatsbeschlüsse sind jetzt in der Tabelle News - Jahresplan aktualisiert
387 lines
12 KiB
PHP
387 lines
12 KiB
PHP
<?php
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/* Copyright (C) 2006 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 news
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{
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var $conn; // @var resource DB-Handle
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var $new; // @var boolean
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var $errormsg; // @var string
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var $result = array(); // @var news Objekt
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//Tabellenspalten
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var $news_id; // @var serial
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var $betreff; // @var varchar(128)
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var $text; // @var string
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var $semester; // @var smallint
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var $fachbereich_kurzbz;// @var varchar(16)
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var $uid; // @var varchar(16)
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var $studiengang_kz; // @var integer
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var $verfasser; // @var varchar(64)
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var $datum; // @date
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var $updateamum; // @var timestamp
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var $updatevon=0; // @var string
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var $insertamum; // @var timestamp
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var $insertvon=0; // @var string
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/**
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* Konstruktor
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* @param $conn Connection zur DB
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* $news_id ID der zu ladenden Funktion
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*/
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function news($conn, $news_id=null)
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{
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$this->conn = $conn;
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if($news_id != null)
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$this->load($news_id);
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}
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/**
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* Laedt alle verfuegbaren Benutzerfunktionen
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* @return true wenn ok, false im Fehlerfall
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*/
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function getAll()
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{
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$qry = 'SELECT * FROM campus.tbl_news order by news_id;';
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if(!$res = pg_query($this->conn, $qry))
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{
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$this->errormsg = 'Fehler beim Laden der Datensaetze';
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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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$news_obj = new news($this->conn);
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$news_obj->news_id = $row->news_id;
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$news_obj->betreff = $row->betreff;
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$news_obj->text = $row->text;
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$news_obj->semester = $row->semester;
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$news_obj->fachbereich_kurzbz = $row->fachbereich_kurzbz;
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$news_obj->uid = $row->uid;
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$news_obj->studiengang_kz=$row->studiengang_kz;
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$news_obj->verfasser = $row->verfasser;
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$news_obj->datum = $row->datum;
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$news_obj->insertamum=$row->insertamum;
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$news_obj->insertvon=$row->insertvon;
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$news_obj->updateamum=$row->updateamum;
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$news_obj->updatevon=$row->updatevon;
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$this->result[] = $news_obj;
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}
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return true;
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}
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// **********************************
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// * Laedt alle News die nicht aelter
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// * als $maxalter Tage sind
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// * @param $maxalter
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// **********************************
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function getnews($maxalter, $studiengang_kz, $semester, $all=false, $fachbereich_kurzbz=null)
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{
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//if(!is_numeric($maxalter) || !is_numeric($studiengang_kz) || ($semester!='' && !is_numeric($semester)))
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//{
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// $this->errormsg = 'Maxalter, Studiengang und Semester muessen gueltige Zahlen sein';
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// return false;
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//}
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$qry = "SELECT * FROM campus.tbl_news WHERE true";
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if($maxalter!=0)
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{
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$qry.= " AND (now()-datum)<interval '$maxalter days'";
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}
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if(!$all)
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$qry.=' AND datum<=now()';
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if($fachbereich_kurzbz!='*')
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{
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if(is_null($fachbereich_kurzbz) OR $fachbereich_kurzbz=='')
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$qry.=' AND fachbereich_kurzbz is null';
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else
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$qry.=" AND fachbereich_kurzbz='".addslashes($fachbereich_kurzbz)."'";
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}
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if($studiengang_kz=='0')
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$qry.=" AND studiengang_kz='".$studiengang_kz."' ".($semester!=''?"":'AND semester is null');
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else if($studiengang_kz=='')
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$qry.='';
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else
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$qry.=" AND ((studiengang_kz='$studiengang_kz' AND semester='$semester') OR (studiengang_kz='$studiengang_kz' AND semester=0) OR (studiengang_kz=0 AND semester='$semester') OR (studiengang_kz=0 and semester is null))";
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$qry.=' ORDER BY datum DESC, updateamum DESC';
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//echo $qry;
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if($result = pg_query($this->conn, $qry))
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{
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while($row = pg_fetch_object($result))
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{
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$newsobj = new news($this->conn);
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$newsobj->news_id = $row->news_id;
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$newsobj->uid = $row->uid;
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$newsobj->studiengang_kz = $row->studiengang_kz;
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$newsobj->semester = $row->semester;
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$newsobj->fachbereich_kurzbz = $row->fachbereich_kurzbz;
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$newsobj->betreff = $row->betreff;
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$newsobj->text = $row->text;
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$newsobj->verfasser = $row->verfasser;
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$newsobj->datum = $row->datum;
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$newsobj->updateamum = $row->updateamum;
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$newsobj->updatevon = $row->updateamum;
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$newsobj->insertamum = $row->insertamum;
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$newsobj->insertvon = $row->insertvon;
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$this->result[] = $newsobj;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Laden der News';
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return false;
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}
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}
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function getFBNews($fachbereich_kurzbz, $datum)
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{
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$qry = "SELECT * FROM campus.tbl_news WHERE fachbereich_kurzbz='$fachbereich_kurzbz'";
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if($datum!='')
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$qry.=" AND datum='$datum'";
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$qry.=" ORDER BY datum";
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//echo $qry;
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if($result = pg_query($this->conn, $qry))
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{
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while($row = pg_fetch_object($result))
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{
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$newsobj = new news($this->conn);
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$newsobj->news_id = $row->news_id;
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$newsobj->uid = $row->uid;
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$newsobj->studiengang_kz = $row->studiengang_kz;
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$newsobj->semester = $row->semester;
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$newsobj->fachbereich_kurzbz = $row->fachbereich_kurzbz;
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$newsobj->betreff = $row->betreff;
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$newsobj->text = $row->text;
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$newsobj->verfasser = $row->verfasser;
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$newsobj->datum = $row->datum;
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$newsobj->updateamum = $row->updateamum;
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$newsobj->updatevon = $row->updateamum;
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$newsobj->insertamum = $row->insertamum;
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$newsobj->insertvon = $row->insertvon;
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$this->result[] = $newsobj;
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}
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Laden der News';
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return false;
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}
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}
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/**
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* Laedt eine News
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* @param $news_id ID der zu ladenden Funktion
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* @return true wenn ok, false im Fehlerfall
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*/
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function load($news_id)
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{
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if(!is_numeric($news_id))
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{
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$this->errormsg = 'news_id muß eine gültige Zahl sein';
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return false;
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}
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$qry = "SELECT * FROM campus.tbl_news WHERE news_id = '$news_id';";
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if(!$res = pg_query($this->conn, $qry))
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{
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$this->errormsg = 'Fehler beim Laden des Datensatzes';
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return false;
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}
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if($row=pg_fetch_object($res))
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{
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$this->news_id = $row->news_id;
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$this->betreff = $row->betreff;
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$this->text = $row->text;
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$this->semester = $row->semester;
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$this->fachbereich_kurzbz = $row->fachbereich_kurzbz;
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$this->uid = $row->uid;
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$this->studiengang_kz = $row->studiengang_kz;
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$this->verfasser = $row->verfasser;
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$this->datum = $row->datum;
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$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 = $row->updatevon;
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}
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else
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{
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$this->errormsg = 'Es ist kein Datensatz mit dieser ID vorhanden';
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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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* Loescht einen Datensatz
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* @param $news_id id des Datensatzes der geloescht werden soll
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* @return true wenn ok, false im Fehlerfall
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*/
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function delete($news_id)
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{
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if(!is_numeric($news_id))
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{
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$this->errormsg = 'News_id muss eine gueltige Zahl sein';
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return false;
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}
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$qry = "DELETE FROM campus.tbl_news WHERE news_id='$news_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 Löschen';
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return false;
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}
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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->betreff = str_replace("'",'´',$this->betreff);
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$this->text = str_replace("'",'´',$this->text);
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$this->verfasser = str_replace("'",'´',$this->verfasser);
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//Laenge Pruefen
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if(strlen($this->betreff)>128)
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{
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$this->errormsg = "Betreff darf nicht laenger als 128 Zeichen sein bei <b>$this->news_id</b> - $this->betreff";
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return false;
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}
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if(strlen($this->verfasser)>64)
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{
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$this->errormsg = "Verfasser darf nicht laenger als 64 Zeichen sein bei <b>$this->news_id</b> - $this->verfasser";
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return false;
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}
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$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(!$this->checkvars())
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return false;
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if($this->new)
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{
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//Neuen Datensatz anlegen
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$qry = 'INSERT INTO campus.tbl_news (betreff, text, semester, fachbereich_kurzbz, uid, studiengang_kz, verfasser,datum, insertamum, insertvon,
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updateamum, updatevon) VALUES ('.
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$this->addslashes($this->betreff).', '.
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$this->addslashes($this->text).', '.
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$this->addslashes($this->semester).', '.
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$this->addslashes($this->fachbereich_kurzbz).', '.
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$this->addslashes($this->uid).', '.
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$this->addslashes($this->studiengang_kz).', '.
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$this->addslashes($this->verfasser).', '.
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$this->addslashes($this->datum).', '.
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$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($this->updatevon).'); ';
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}
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else
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{
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//bestehenden Datensatz akualisieren
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//Pruefen ob news_id eine gueltige Zahl ist
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if(!is_numeric($this->news_id) || $this->news_id == '')
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{
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$this->errormsg = 'News_id muss eine gueltige Zahl sein';
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return false;
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}
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$qry = 'UPDATE campus.tbl_news SET '.
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'betreff='.$this->addslashes($this->betreff).', '.
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'text='.$this->addslashes($this->text).', '.
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'semester='.$this->addslashes($this->semester).', '.
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'fachbereich_kurzbz='.$this->addslashes($this->fachbereich_kurzbz).', '.
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'uid='.$this->addslashes($this->uid).', '.
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'studiengang_kz='.$this->addslashes($this->studiengang_kz).', '.
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'verfasser='.$this->addslashes($this->verfasser).', '.
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'datum='.$this->addslashes($this->datum).', '.
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'insertamum='.$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($this->updatevon).' '.
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'WHERE news_id = '.$this->addslashes($this->news_id).';';
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}
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if(pg_query($this->conn, $qry))
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{
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/*//Log schreiben
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$sql = $qry;
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$qry = "SELECT nextval('log_seq') as id;";
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if(!$row = pg_fetch_object(pg_query($this->conn, $qry)))
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{
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$this->errormsg = 'Fehler beim Auslesen der Log-Sequence';
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return false;
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}
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$qry = "INSERT INTO log(log_pk, creationdate, creationuser, sql) VALUES('$row->id', now(), '$this->updatevon', '".addslashes($sql)."')";
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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 Speichern des Log-Eintrages';
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return false;
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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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$this->errormsg = 'Fehler beim Speichern des Datensatzes - '.$this->uid;
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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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