Sync Lehrverbände, Studenten, Mitarbeiter

2026-07-19 16:02:15 +00:00 · 2006-11-28 16:29:09 +00:00
parent 1de5b19cf4
commit 8df2ca579f
8 changed files with 699 additions and 225 deletions
@@ -0,0 +1,175 @@
+<?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 student extends benutzer
+{
+	
+    //Tabellenspalten
+	var $matrikelnr;
+	var $prestudent_id;
+	var $studiengang_kz;
+	var $semester;
+	var $verband;
+	var $gruppe;
+
+	/**
+	 * Konstruktor
+	 */
+	function student($conn, $student_id=null, $unicode=false)
+	{
+		$this->conn = $conn;
+		
+		if($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);
+	}
+	
+	/**
+	 * ueberprueft die Variablen auf Gueltigkeit
+	 * @return true wenn gueltig, false im Fehlerfall
+	 */
+	function validate()
+	{	    
+		if(strlen($this->uid)>16)
+		{
+			$this->errormsg = 'UID darf nicht laenger als 16 Zeichen sein';
+			return false;
+		}
+		if($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)
+		{
+			$this->errormsg = 'Gruppe darf nicht laenger als 1 Zeichen sein';
+			return false;
+		}
+					
+		return true;
+	}
+	
+	
+	/**
+	 * Speichert die Studentendaten in die Datenbank
+	 * @return true wenn ok, false im Fehlerfall
+	 */
+	function save()
+	{
+		//Variablen checken		
+		if(!$this->validate())
+			return false;
+			
+		pg_query($this->conn,'BEGIN;');
+		//Basisdaten speichern
+		if(!benutzer::save())
+		{
+			pg_query($this->conn,'ROLLBACK;');
+			return false;
+		}
+		
+		if($this->new)
+		{
+			//Neuen Datensatz anlegen							
+			$qry = "INSERT INTO tbl_student(uid, matrikelnr, updateamum, updatevon, prestudent_id, 
+			                    studiengang_kz, semester, verband, gruppe)
+			        VALUES('".addslashes($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($this->gruppe).
+			       " WHERE uid='".addslashes($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;
+		}
+	}
+}
+?>