mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-01 20:29:29 +00:00
Andreas Österreicher
63f31086eb
- Semesterplanupload - cisdocs - Pinboardverwaltung - Noten- / Anwesenheitslisten - Kollegiumswahl - ...
324 lines
9.5 KiB
PHP
324 lines
9.5 KiB
PHP
<?php
|
||
/* Copyright (C) 2006 Technikum-Wien
|
||
*
|
||
* This program is free software; you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as
|
||
* published by the Free Software Foundation; either version 2 of the
|
||
* License, or (at your option) any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU General Public License
|
||
* along with this program; if not, write to the Free Software
|
||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
|
||
*
|
||
* Authors: Christian Paminger <christian.paminger@technikum-wien.at>,
|
||
* Andreas Oesterreicher <andreas.oesterreicher@technikum-wien.at> and
|
||
* Rudolf Hangl <rudolf.hangl@technikum-wien.at>.
|
||
*/
|
||
|
||
class news
|
||
{
|
||
var $conn; // @var resource DB-Handle
|
||
var $new; // @var boolean
|
||
var $errormsg; // @var string
|
||
var $result = array(); // @var news Objekt
|
||
|
||
//Tabellenspalten
|
||
var $news_id; // @var serial
|
||
var $betreff; // @var varchar(128)
|
||
var $text; // @var string
|
||
var $semester; // @var smallint
|
||
var $uid; // @var varchar(16)
|
||
var $studiengang_kz; // @var integer
|
||
var $verfasser; // @var varchar(64)
|
||
var $updateamum; // @var timestamp
|
||
var $updatevon=0; // @var string
|
||
var $insertamum; // @var timestamp
|
||
var $insertvon=0; // @var string
|
||
|
||
|
||
/**
|
||
* Konstruktor
|
||
* @param $conn Connection zur DB
|
||
* $news_id ID der zu ladenden Funktion
|
||
*/
|
||
function news($conn, $news_id=null)
|
||
{
|
||
$this->conn = $conn;
|
||
if($news_id != null)
|
||
$this->load($news_id);
|
||
}
|
||
|
||
/**
|
||
* Laedt alle verfuegbaren Benutzerfunktionen
|
||
* @return true wenn ok, false im Fehlerfall
|
||
*/
|
||
function getAll()
|
||
{
|
||
$qry = 'SELECT * FROM campus.tbl_news order by news_id;';
|
||
|
||
if(!$res = pg_query($this->conn, $qry))
|
||
{
|
||
$this->errormsg = 'Fehler beim Laden der Datensaetze';
|
||
return false;
|
||
}
|
||
|
||
while($row = pg_fetch_object($res))
|
||
{
|
||
$news_obj = new news($this->conn);
|
||
$news_obj->news_id = $row->news_id;
|
||
$news_obj->betreff = $row->betreff;
|
||
$news_obj->text = $row->text;
|
||
$news_obj->semester = $row->semester;
|
||
$news_obj->uid = $row->uid;
|
||
$news_obj->studiengang_kz=$row->studiengang_kz;
|
||
$news_obj->verfasser = $row->verfasser;
|
||
$news_obj->insertamum=$row->insertamum;
|
||
$news_obj->insertvon=$row->insertvon;
|
||
$news_obj->updateamum=$row->updateamum;
|
||
$news_obj->updatevon=$row->updatevon;
|
||
|
||
$this->result[] = $news_obj;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
// **********************************
|
||
// * Laedt alle News die nicht aelter
|
||
// * als $maxalter Tage sind
|
||
// * @param $maxalter
|
||
// **********************************
|
||
function getnews($maxalter, $studiengang_kz, $semester)
|
||
{
|
||
if(!is_numeric($maxalter) || !is_numeric($studiengang_kz) || ($semester!='' && !is_numeric($semester)))
|
||
{
|
||
$this->errormsg = 'Maxalter, Studiengang und Semester muessen gueltige Zahlen sein';
|
||
return false;
|
||
}
|
||
|
||
if($maxalter!=0)
|
||
{
|
||
$interval = "(now()-updateamum)<interval '$maxalter days' AND";
|
||
}
|
||
else
|
||
$interval = '';
|
||
|
||
if($studiengang_kz==0)
|
||
$qry = "SELECT * FROM campus.tbl_news WHERE $interval studiengang_kz=".$studiengang_kz." AND semester".($semester!=''?"='$semester'":' is null')." order by updateamum DESC;";
|
||
else
|
||
$qry = "SELECT * FROM campus.tbl_news WHERE $interval ((studiengang_kz=$studiengang_kz AND semester=$semester) OR (studiengang_kz=$studiengang_kz AND semester=0) OR (studiengang_kz=0 AND semester=$semester) OR (studiengang_kz=0 and semester is null)) ORDER BY updateamum DESC";
|
||
|
||
if($result = pg_query($this->conn, $qry))
|
||
{
|
||
while($row = pg_fetch_object($result))
|
||
{
|
||
$newsobj = new news($this->conn);
|
||
$newsobj->news_id = $row->news_id;
|
||
$newsobj->uid = $row->uid;
|
||
$newsobj->studiengang_kz = $row->studiengang_kz;
|
||
$newsobj->semester = $row->semester;
|
||
$newsobj->betreff = $row->betreff;
|
||
$newsobj->text = $row->text;
|
||
$newsobj->verfasser = $row->verfasser;
|
||
$newsobj->updateamum = $row->updateamum;
|
||
$newsobj->updatevon = $row->updateamum;
|
||
$newsobj->insertamum = $row->insertamum;
|
||
$newsobj->insertvon = $row->insertvon;
|
||
|
||
$this->result[] = $newsobj;
|
||
}
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
$this->errormsg = 'Fehler beim Laden der News';
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Laedt eine News
|
||
* @param $news_id ID der zu ladenden Funktion
|
||
* @return true wenn ok, false im Fehlerfall
|
||
*/
|
||
function load($news_id)
|
||
{
|
||
|
||
if(!is_numeric($news_id))
|
||
{
|
||
$this->errormsg = 'news_id muß eine gültige Zahl sein';
|
||
return false;
|
||
}
|
||
|
||
$qry = "SELECT * FROM campus.tbl_news WHERE news_id = '$news_id';";
|
||
|
||
if(!$res = pg_query($this->conn, $qry))
|
||
{
|
||
$this->errormsg = 'Fehler beim Laden des Datensatzes';
|
||
return false;
|
||
}
|
||
|
||
if($row=pg_fetch_object($res))
|
||
{
|
||
$this->news_id = $row->news_id;
|
||
$this->betreff = $row->betreff;
|
||
$this->text = $row->text;
|
||
$this->semester = $row->semester;
|
||
$this->uid = $row->uid;
|
||
$this->studiengang_kz = $row->studiengang_kz;
|
||
$this->verfasser = $row->verfasser;
|
||
$this->insertamum = $row->insertamum;
|
||
$this->insertvon = $row->insertvon;
|
||
$this->updateamum = $row->updateamum;
|
||
$this->updatevon = $row->updatevon;
|
||
}
|
||
else
|
||
{
|
||
$this->errormsg = 'Es ist kein Datensatz mit dieser ID vorhanden';
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Loescht einen Datensatz
|
||
* @param $news_id id des Datensatzes der geloescht werden soll
|
||
* @return true wenn ok, false im Fehlerfall
|
||
*/
|
||
function delete($news_id)
|
||
{
|
||
if(!is_numeric($news_id))
|
||
{
|
||
$this->errormsg = 'News_id muss eine gueltige Zahl sein';
|
||
return false;
|
||
}
|
||
|
||
$qry = "DELETE FROM campus.tbl_news WHERE news_id='$news_id'";
|
||
|
||
if(pg_query($this->conn, $qry))
|
||
return true;
|
||
else
|
||
{
|
||
$this->errormsg = 'Fehler beim Löschen';
|
||
return false;
|
||
}
|
||
}
|
||
|
||
function addslashes($var)
|
||
{
|
||
return ($var!=''?"'".addslashes($var)."'":'null');
|
||
}
|
||
|
||
/**
|
||
* Prueft die Gueltigkeit der Variablen
|
||
* @return true wenn ok, false im Fehlerfall
|
||
*/
|
||
function checkvars()
|
||
{
|
||
$this->betreff = str_replace("'",'´',$this->betreff);
|
||
$this->text = str_replace("'",'´',$this->text);
|
||
$this->verfasser = str_replace("'",'´',$this->verfasser);
|
||
|
||
|
||
//Laenge Pruefen
|
||
if(strlen($this->betreff)>128)
|
||
{
|
||
$this->errormsg = "Betreff darf nicht laenger als 128 Zeichen sein bei <b>$this->news_id</b> - $this->betreff";
|
||
return false;
|
||
}
|
||
if(strlen($this->verfasser)>64)
|
||
{
|
||
$this->errormsg = "Verfasser darf nicht laenger als 64 Zeichen sein bei <b>$this->news_id</b> - $this->verfasser";
|
||
return false;
|
||
}
|
||
$this->errormsg = '';
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Speichert den aktuellen Datensatz
|
||
* @return true wenn ok, false im Fehlerfall
|
||
*/
|
||
function save()
|
||
{
|
||
//Gueltigkeit der Variablen pruefen
|
||
if(!$this->checkvars())
|
||
return false;
|
||
|
||
if($this->new)
|
||
{
|
||
//Neuen Datensatz anlegen
|
||
|
||
$qry = 'INSERT INTO campus.tbl_news (betreff, text, semester, uid, studiengang_kz, verfasser, insertamum, insertvon,
|
||
updateamum, updatevon) VALUES ('.
|
||
$this->addslashes($this->betreff).', '.
|
||
$this->addslashes($this->text).', '.
|
||
$this->addslashes($this->semester).', '.
|
||
$this->addslashes($this->uid).', '.
|
||
$this->addslashes($this->studiengang_kz).', '.
|
||
$this->addslashes($this->verfasser).', '.
|
||
$this->addslashes($this->insertamum).', '.
|
||
$this->addslashes($this->insertvon).', now(),'.
|
||
//$this->addslashes($this->updateamum).', '.
|
||
$this->addslashes($this->updatevon).'); ';
|
||
|
||
}
|
||
else
|
||
{
|
||
//bestehenden Datensatz akualisieren
|
||
|
||
//Pruefen ob news_id eine gueltige Zahl ist
|
||
if(!is_numeric($this->news_id) || $this->news_id == '')
|
||
{
|
||
$this->errormsg = 'News_id muss eine gueltige Zahl sein';
|
||
return false;
|
||
}
|
||
|
||
$qry = 'UPDATE campus.tbl_news SET '.
|
||
'betreff='.$this->addslashes($this->betreff).', '.
|
||
'text='.$this->addslashes($this->text).', '.
|
||
'semester='.$this->addslashes($this->semester).', '.
|
||
'uid='.$this->addslashes($this->uid).', '.
|
||
'studiengang_kz='.$this->addslashes($this->studiengang_kz).', '.
|
||
'verfasser='.$this->addslashes($this->verfasser).', '.
|
||
'insertamum='.$this->addslashes($this->insertamum).', '.
|
||
'insertvon='.$this->addslashes($this->insertvon).', '.
|
||
'updateamum=now(),'. //'.$this->addslashes($this->updateamum).', '.
|
||
'updatevon='.$this->addslashes($this->updatevon).' '.
|
||
'WHERE news_id = '.$this->addslashes($this->news_id).';';
|
||
}
|
||
echo $qry;
|
||
if(pg_query($this->conn, $qry))
|
||
{
|
||
/*//Log schreiben
|
||
$sql = $qry;
|
||
$qry = "SELECT nextval('log_seq') as id;";
|
||
if(!$row = pg_fetch_object(pg_query($this->conn, $qry)))
|
||
{
|
||
$this->errormsg = 'Fehler beim Auslesen der Log-Sequence';
|
||
return false;
|
||
}
|
||
|
||
$qry = "INSERT INTO log(log_pk, creationdate, creationuser, sql) VALUES('$row->id', now(), '$this->updatevon', '".addslashes($sql)."')";
|
||
if(pg_query($this->conn, $qry))
|
||
return true;
|
||
else
|
||
{
|
||
$this->errormsg = 'Fehler beim Speichern des Log-Eintrages';
|
||
return false;
|
||
}*/
|
||
return true;
|
||
}
|
||
else
|
||
{
|
||
$this->errormsg = 'Fehler beim Speichern des Datensatzes - '.$this->uid;
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
?>
|