mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-07-16 22:42:16 +00:00
Include VZ Bereinigung
This commit is contained in:
Andreas Österreicher
+162
-325
@@ -1,345 +1,182 @@
|
||||
<?php
|
||||
/**
|
||||
* Basisklasse für Studenten
|
||||
* @author Christian Paminger, Werner Masik
|
||||
* @version 1.0
|
||||
* @updated 07-Dez-2004
|
||||
/* 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 student extends person
|
||||
{
|
||||
/**
|
||||
* @var integer
|
||||
*/
|
||||
var $studiengang_kz;
|
||||
/**
|
||||
* @var string
|
||||
*/
|
||||
var $matrikelnr;
|
||||
/**
|
||||
* @var integer
|
||||
*/
|
||||
var $semester;
|
||||
/**
|
||||
* @var $string
|
||||
*/
|
||||
var $verband;
|
||||
/**
|
||||
* @var string
|
||||
*/
|
||||
var $gruppe;
|
||||
/**
|
||||
* @var student
|
||||
*/
|
||||
var $student;
|
||||
/**
|
||||
* @var einheit
|
||||
*/
|
||||
var $einheit;
|
||||
/**
|
||||
* @var studiengangsbezeichnung (nur zum Anzeigen, wird nicht gespeichert)
|
||||
*/
|
||||
var $stg_bezeichnung;
|
||||
/**
|
||||
* @var string fehlermeldung
|
||||
*/
|
||||
var $errormsg;
|
||||
|
||||
function student($conn,$uid='')
|
||||
class student extends benutzer
|
||||
{
|
||||
|
||||
//Tabellenspalten
|
||||
var $matrikelnr;
|
||||
var $prestudent_id;
|
||||
var $studiengang_kz;
|
||||
var $semester;
|
||||
var $verband;
|
||||
var $gruppe;
|
||||
|
||||
// *************************************************************************
|
||||
// * Konstruktor - Uebergibt die Connection und laedt optional einen Studenten
|
||||
// * @param $conn Datenbank-Connection
|
||||
// * $student_id Student der geladen werden soll (default=null)
|
||||
// * $unicode Gibt an ob die Daten mit UNICODE Codierung
|
||||
// * oder LATIN9 Codierung verarbeitet werden sollen
|
||||
// *************************************************************************
|
||||
function student($conn, $student_id=null, $unicode=false)
|
||||
{
|
||||
$this->conn = $conn;
|
||||
if (strlen($uid)>0) {
|
||||
$this->uid=$uid;
|
||||
$this->load();
|
||||
|
||||
if($unicode)
|
||||
$qry = "SET CLIENT_ENCODING TO 'UNICODE';";
|
||||
else
|
||||
$qry = "SET CLIENT_ENCODING TO 'LATIN9';";
|
||||
|
||||
if(!pg_query($conn,$qry))
|
||||
{
|
||||
$this->errormsg = 'Encoding konnte nicht gesetzt werden';
|
||||
return false;
|
||||
}
|
||||
|
||||
//Student laden
|
||||
if($student_id!=null)
|
||||
$this->load($student_id);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Speichert den Studenten in die Datenbank. Bei Fehler ist der Rueckgabewert
|
||||
* 'false' und die Fehlermeldung steht in 'errormsg'. INSERT oder DELETE wird
|
||||
* durch 'new' bestimmt.
|
||||
* @return boolean true=ok, false=fehler
|
||||
*/
|
||||
function save()
|
||||
{
|
||||
// uid vorhanden?
|
||||
if (strlen($this->uid)==0) {
|
||||
$this->errormsg='<i>uid</i> nicht gesetzt.';
|
||||
return false;
|
||||
}
|
||||
// Connection holen
|
||||
if (is_null($conn=person::getConnection())) {
|
||||
return false;
|
||||
}
|
||||
// Daten zur Person speichern
|
||||
|
||||
if (!person::save()) {
|
||||
$this->errormsg.="<br/>Daten zur Person konnten nicht gespeichert werden.";
|
||||
return false;
|
||||
}
|
||||
if ($this->new) {
|
||||
$qry="INSERT INTO tbl_student(uid,studiengang_kz,matrikelnr,".
|
||||
"semester,verband,gruppe,updateamum,updatevon)".
|
||||
"values(".
|
||||
"'".$this->uid."',".
|
||||
(ctype_digit($this->studiengang_kz)?$this->studiengang_kz:'NULL').",".
|
||||
"'".$this->matrikelnr."',".
|
||||
(ctype_digit($this->semester)?$this->semester:'NULL').",".
|
||||
"'".$this->verband."','".$this->gruppe."',".
|
||||
"now(),'".$_SERVER['PHP_AUTH_USER']."'".
|
||||
")";
|
||||
} else
|
||||
|
||||
// *******************************************
|
||||
// * Prueft die Variablen vor dem Speichern
|
||||
// * auf Gueltigkeit.
|
||||
// * @return true wenn ok, false im Fehlerfall
|
||||
// *******************************************
|
||||
function validate()
|
||||
{
|
||||
if(strlen($this->uid)>16)
|
||||
{
|
||||
$qry="UPDATE tbl_student ".
|
||||
"SET studiengang_kz=".$this->studiengang_kz.",".
|
||||
"matrikelnr='".$this->matrikelnr."',".
|
||||
"semester=".(ctype_digit($this->semester)?$this->semester:'NULL').",".
|
||||
"verband='".$this->verband."',".
|
||||
"gruppe='".$this->gruppe."',".
|
||||
"updateamum=now(),updatevon='".$_SERVER['PHP_AUTH_USER']."' ".
|
||||
"WHERE uid='".$this->uid."'";
|
||||
}
|
||||
//echo "<br>".$qry;
|
||||
if(!($erg=pg_exec($conn, $qry)))
|
||||
{
|
||||
$this->errormsg=pg_errormessage($conn);
|
||||
$this->errormsg = 'UID darf nicht laenger als 16 Zeichen sein';
|
||||
return false;
|
||||
}
|
||||
if($this->uid=='')
|
||||
{
|
||||
$this->errormsg = 'UID muss eingegeben werden';
|
||||
return false;
|
||||
}
|
||||
if(strlen($this->matrikelnr)>15)
|
||||
{
|
||||
$this->errormsg = 'Matrikelnummer darf nicht laenger als 15 Zeichen sein';
|
||||
return false;
|
||||
}
|
||||
if(strlen($this->updatevon)>32)
|
||||
{
|
||||
$this->errormsg = 'Updatevon darf nicht laenger als 32 Zeichen sein';
|
||||
return false;
|
||||
}
|
||||
if($this->prestudent_id!='' && !is_numeric($this->prestudent_id))
|
||||
{
|
||||
$this->errormsg = 'Prestudent_id muss eine gueltige Zahl sein';
|
||||
return false;
|
||||
}
|
||||
if(!is_numeric($this->studiengang_kz))
|
||||
{
|
||||
$this->errormsg = 'Studiengang_id muss eine gueltige Zahl sein';
|
||||
return false;
|
||||
}
|
||||
if(!is_numeric($this->semester))
|
||||
{
|
||||
$this->errormsg = 'Semester muss ein gueltige Zahl sein';
|
||||
return false;
|
||||
}
|
||||
if(strlen($this->verband)>1)
|
||||
{
|
||||
$this->errormsg = 'Verband darf nicht laenger als 1 Zeichen sein';
|
||||
return false;
|
||||
}
|
||||
if(strlen($this->gruppe)>1)
|
||||
{
|
||||
$this->errormsg = 'Gruppe darf nicht laenger als 1 Zeichen sein';
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Ladet die Attribute des Studenten aus der Datenbank. Bei Fehler ist der
|
||||
* Rueckgabewert 'false' und die Fehlermeldung steht in 'errormsg'.
|
||||
* @return boolean true=ok, false=fehler
|
||||
*/
|
||||
function load($uid='')
|
||||
|
||||
|
||||
// ************************************************************
|
||||
// * Speichert die Studentendaten in die Datenbank
|
||||
// * Wenn $new auf true gesetzt ist wird ein neuer Datensatz
|
||||
// * angelegt, ansonsten der Datensatz mit $person_id upgedated
|
||||
// * @return true wenn erfolgreich, false im Fehlerfall
|
||||
// ************************************************************
|
||||
function save()
|
||||
{
|
||||
// optional: uid setzen
|
||||
if (strlen($uid)>0)
|
||||
$this->uid=$uid;
|
||||
// uid vorhanden?
|
||||
if (strlen($this->uid)==0) {
|
||||
$this->errormsg='<i>uid</i> nicht gesetzt.';
|
||||
//Variablen checken
|
||||
if(!$this->validate())
|
||||
return false;
|
||||
}
|
||||
// Connection holen
|
||||
if (is_null($conn=person::getConnection())) {
|
||||
return false;
|
||||
}
|
||||
// Daten zur Person laden
|
||||
if (!person::load()) {
|
||||
$this->errormsg.="<br/>Daten zur Person konnten nicht geladen werden.";
|
||||
return false;
|
||||
}
|
||||
// Studentendaten holen
|
||||
$sql_query="SELECT s.studiengang_kz,s.matrikelnr,s.semester,s.verband,s.gruppe ".
|
||||
"FROM tbl_student as s ".
|
||||
"WHERE uid='".$this->uid."'";
|
||||
$sql_query="set datestyle to german;
|
||||
SELECT tbl_person.*, m.studiengang_kz,m.matrikelnr,m.semester,m.verband,m.gruppe,
|
||||
tbl_studiengang.studiengang_kz,tbl_studiengang.bezeichnung
|
||||
FROM tbl_person join tbl_student as m using(uid) join
|
||||
tbl_studiengang on (m.studiengang_kz=tbl_studiengang.studiengang_kz)
|
||||
WHERE uid='".$this->uid."'";
|
||||
if(!($erg=pg_exec($conn, $sql_query)))
|
||||
die(pg_errormessage($conn));
|
||||
$num_rows=pg_numrows($erg);
|
||||
if($num_rows!=1)
|
||||
|
||||
pg_query($this->conn,'BEGIN;');
|
||||
//Basisdaten speichern
|
||||
if(!benutzer::save())
|
||||
{
|
||||
$this->errormsg="Zuwenige oder zuviele Ergebnisse (Anzahl: $num_rows)!";
|
||||
pg_query($this->conn,'ROLLBACK;');
|
||||
return false;
|
||||
}
|
||||
|
||||
if($this->new)
|
||||
{
|
||||
//Neuen Datensatz anlegen
|
||||
$qry = "INSERT INTO tbl_student(student_uid, matrikelnr, updateamum, updatevon, prestudent_id,
|
||||
studiengang_kz, semester, verband, gruppe)
|
||||
VALUES('".addslashes($this->uid)."',".
|
||||
$this->addslashes($this->matrikelnr).",".
|
||||
$this->addslashes($this->updateamum).','.
|
||||
$this->addslashes($this->updatevon).','.
|
||||
$this->addslashes($this->prestudent_id).','.
|
||||
$this->studiengang_kz.','.
|
||||
$this->semester.','.
|
||||
($this->verband!=''?"'".addslashes($this->verband)."'":' ').','.
|
||||
($this->gruppe!=''?"'".addslashes($this->gruppe)."'":' ').');';
|
||||
}
|
||||
else
|
||||
{
|
||||
//Bestehenden Datensatz updaten
|
||||
$qry = 'UPDATE tbl_student SET'.
|
||||
' matrikelnr='.$this->addslashes($this->matrikelnr).','.
|
||||
' updateamum='.$this->addslashes($this->updateamum).','.
|
||||
' updatevon='.$this->addslashes($this->updatevon).','.
|
||||
' prestudent_id='.$this->addslashes($this->prestudent_id).','.
|
||||
' studiengang_kz='.$this->studiengang_kz.','.
|
||||
' semester='.$this->semester.','.
|
||||
' verband='.$this->addslashes($this->verband).','.
|
||||
' gruppe='.$this->addslashes($this->gruppe).
|
||||
" WHERE student_uid='".addslashes($this->uid)."';";
|
||||
}
|
||||
|
||||
if(pg_query($this->conn,$qry))
|
||||
{
|
||||
pg_query($this->conn,'COMMIT;');
|
||||
//Log schreiben
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
pg_query($this->conn,'ROLLBACK;');
|
||||
$this->errormsg = 'Fehler beim Speichern des Studenten-Datensatzes'.$qry;
|
||||
return false;
|
||||
}
|
||||
$row=pg_fetch_object($erg,0);
|
||||
|
||||
$this->studiengang_kz=$row->studiengang_kz;
|
||||
$this->matrikelnr=$row->matrikelnr;
|
||||
$this->semester=$row->semester;
|
||||
$this->verband=$row->verband;
|
||||
$this->gruppe=$row->gruppe;
|
||||
$this->uid=$row->uid;
|
||||
$this->titel=$row->titel;
|
||||
$this->vornamen=$row->vornamen;
|
||||
$this->nachname=$row->nachname;
|
||||
$this->gebdatum=$row->gebdatum;
|
||||
$this->gebort=$row->gebort;
|
||||
$this->gebzeit=$row->gebzeit;
|
||||
$this->foto=$row->foto;
|
||||
$this->anmerkungen=$row->anmerkungen;
|
||||
$this->aktiv=$row->aktiv=='t'?true:false;
|
||||
$this->email=$row->email;
|
||||
$this->homepage=$row->homepage;
|
||||
$this->updateamum=$row->updateamum;
|
||||
$this->updatevon=$row->updatevon;
|
||||
$this->stg_bezeichnung=$row->bezeichnung;
|
||||
|
||||
// todo: einheit
|
||||
|
||||
$result[]=$this;
|
||||
return $result;
|
||||
//return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Loescht den Studenten aus der Datenbank. Bei Fehler ist der Rueckgabewert
|
||||
* 'false' und die Fehlermeldung steht in 'errormsg'.
|
||||
* @return boolean true=ok, false=fehler
|
||||
*/
|
||||
function delete()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Rueckgabewert ist die Anzahl der Ergebnisse. Bei Fehler negativ und die
|
||||
* Fehlermeldung liegt in errormsg.
|
||||
* Wenn der Parameter stg_kz NULL ist tritt einheit_kurzbzb in Kraft.
|
||||
* @param string $einheit_kurzbz Einheit
|
||||
* @param string grp Gruppe
|
||||
* @param string ver Verband
|
||||
* @param integer sem Semester
|
||||
* @param integer stg_kz Kennzahl des Studiengangs
|
||||
* @return integer Anzahl der gefundenen Einträge; <b>negativ</b> bei Fehler
|
||||
*/
|
||||
function getStudents($einheit_kurzbz, $grp, $ver, $sem, $stg_kz)
|
||||
{
|
||||
if (is_null($conn=person::getConnection())) {
|
||||
return false;
|
||||
}
|
||||
$join = '';
|
||||
$where = '';
|
||||
if (strlen($einheit_kurzbz)>0)
|
||||
{
|
||||
// einheit?
|
||||
$join=" join tbl_einheitstudent on (m.uid=tbl_einheitstudent.uid) ";
|
||||
$where=" tbl_einheitstudent.einheit_kurzbz='".$einheit_kurzbz."'";
|
||||
} else
|
||||
{
|
||||
if (strlen($grp)>0)
|
||||
{
|
||||
// Gruppe
|
||||
$where.=(strlen($where)>0?' and ':'')." m.gruppe='".$grp."' ";
|
||||
}
|
||||
if (strlen($ver)>0)
|
||||
{
|
||||
// Verband
|
||||
$where.=(strlen($where)>0?' and ':'')." m.verband='".$ver."' ";
|
||||
}
|
||||
if (strlen($sem)>0)
|
||||
{
|
||||
// Semester
|
||||
$where.=(strlen($where)>0?' and ':'')." m.semester=".$sem." ";
|
||||
}
|
||||
if (strlen($stg_kz)>0)
|
||||
{
|
||||
// Studiengang
|
||||
$where.=(strlen($where)>0?' and ':'')." m.studiengang_kz='".$stg_kz."' ";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
$sql_query="set datestyle to german;SELECT tbl_person.*,".
|
||||
"m.studiengang_kz,m.matrikelnr,m.semester,m.verband,m.gruppe, ".
|
||||
"tbl_studiengang.studiengang_kz,tbl_studiengang.bezeichnung ".
|
||||
"FROM tbl_person join tbl_student as m using(uid) join ".
|
||||
"tbl_studiengang on (m.studiengang_kz=tbl_studiengang.studiengang_kz) $join ".
|
||||
(strlen($where)>1?'WHERE '.$where:'').
|
||||
"ORDER by upper(tbl_person.nachname),upper(tbl_person.vornamen)";
|
||||
//echo $sql_query;
|
||||
if(!($erg=@pg_exec($conn, $sql_query))) {
|
||||
$this->errormsg=pg_errormessage($conn);
|
||||
return false;
|
||||
}
|
||||
$num_rows=pg_numrows($erg);
|
||||
$result=array();
|
||||
for($i=0;$i<$num_rows;$i++)
|
||||
{
|
||||
$row=pg_fetch_object($erg,$i);
|
||||
$l=new student($conn);
|
||||
// Personendaten
|
||||
$l->uid=$row->uid;
|
||||
$l->titel=$row->titel;
|
||||
$l->vornamen=$row->vornamen;
|
||||
$l->nachname=$row->nachname;
|
||||
$l->gebdatum=$row->gebdatum;
|
||||
$l->gebort=$row->gebort;
|
||||
$l->gebzeit=$row->gebzeit;
|
||||
$l->foto=$row->foto;
|
||||
$l->anmerkungen=$row->anmerkungen;
|
||||
$l->aktiv=$row->aktiv=='t'?true:false;
|
||||
$l->email=$row->email;
|
||||
$l->homepage=$row->homepage;
|
||||
$l->updateamum=(isset($row->updateamum)?$row->updateamum:'');
|
||||
$l->updatevon=(isset($row->updatevon)?$row->updatevon:'');
|
||||
// Studentendaten
|
||||
$l->matrikelnr=$row->matrikelnr;
|
||||
$l->gruppe=$row->gruppe;
|
||||
$l->verband=$row->verband;
|
||||
$l->semester=$row->semester;
|
||||
$l->studiengang_kz=$row->studiengang_kz;
|
||||
$l->stg_bezeichnung=$row->bezeichnung;
|
||||
// student in Array speichern
|
||||
$result[]=$l;
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
|
||||
/**
|
||||
* gibt array mit allen Studenten zurück
|
||||
* @return array Studenten
|
||||
*/
|
||||
function getAll() {
|
||||
if (is_null($conn=person::getConnection())) {
|
||||
return false;
|
||||
}
|
||||
$sql_query="set datestyle to german;SELECT tbl_person.*,".
|
||||
"m.matrikelnr,m.semester,m.verband,m.gruppe, ".
|
||||
"tbl_studiengang.studiengang_kz,tbl_studiengang.bezeichnung ".
|
||||
"FROM tbl_person join tbl_student as m using(uid) ".
|
||||
" join tbl_studiengang on (m.studiengang_kz=tbl_studiengang.studiengang_kz) ".
|
||||
"ORDER by upper(tbl_person.nachname),upper(tbl_person.vornamen)";
|
||||
//echo $sql_query;
|
||||
if(!($erg=@pg_exec($conn, $sql_query))) {
|
||||
$this->errormsg=pg_errormessage($conn);
|
||||
return false;
|
||||
}
|
||||
$num_rows=pg_numrows($erg);
|
||||
$result=array();
|
||||
for($i=0;$i<$num_rows;$i++)
|
||||
{
|
||||
$row=pg_fetch_object($erg,$i);
|
||||
$l=new student($conn);
|
||||
// Personendaten
|
||||
$l->uid=$row->uid;
|
||||
$l->titel=$row->titel;
|
||||
$l->vornamen=$row->vornamen;
|
||||
$l->nachname=$row->nachname;
|
||||
$l->gebdatum=$row->gebdatum;
|
||||
$l->gebort=$row->gebort;
|
||||
$l->gebzeit=$row->gebzeit;
|
||||
$l->foto=$row->foto;
|
||||
$l->anmerkungen=$row->anmerkungen;
|
||||
$l->aktiv=$row->aktiv=='t'?true:false;
|
||||
$l->email=$row->email;
|
||||
$l->homepage=$row->homepage;
|
||||
$l->updateamum=$row->updateamum;
|
||||
$l->updatevon=$row->updatevon;
|
||||
// Studentendaten
|
||||
$l->matrikelnummer=$row->matrikelnummer;
|
||||
$l->gruppe=$row->gruppe;
|
||||
$l->verband=$row->verband;
|
||||
$l->semester=$row->semester;
|
||||
$l->studiengang_kz=$row->studiengang_kz;
|
||||
$l->stg_bezeichnung=$row->bezeichnung;
|
||||
// student in Array speichern
|
||||
$result[]=$l;
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
||||
?>
|
||||
Reference in New Issue
Block a user