mirror of
https://github.com/FH-Complete/FHC-Core.git
synced 2026-06-01 12:19:28 +00:00
Manfred Kindl
900 lines
26 KiB
PHP
900 lines
26 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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require_once(dirname(__FILE__).'/benutzer.class.php');
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class student extends benutzer
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{
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//Tabellenspalten
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public $matrikelnr;
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public $prestudent_id;
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public $studiengang_kz;
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public $semester;
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public $verband;
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public $gruppe;
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public $ext_id_student;
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public $result;
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public $studiensemester_kurzbz;
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/**
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* Konstruktor - Laedt optional einen Studenten
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* @param $uid Student der geladen werden soll (default=null)
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*/
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public function __construct($uid=null)
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{
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parent::__construct();
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//Student laden
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if($uid!=null)
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$this->load($uid);
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}
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/**
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* Laedt die Daten eines Studenten
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* Wenn Studiensemester_kurzbz angegeben wird, dann werden
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* Studiengang, Semester, Verband und Gruppe aus der Tabelle
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* Studentlehrverband geholt.
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* @param uid
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* studiensemester_kurzbz
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* @return true wenn ok, false im Fehlerfall
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*/
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public function load($uid = null, $studiensemester_kurzbz=null)
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{
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if(!benutzer::load($uid))
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return false;
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if(is_null($studiensemester_kurzbz))
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$qry = "SELECT * FROM public.tbl_student WHERE student_uid=".$this->db_add_param($uid);
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else
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$qry = "SELECT *, tbl_studentlehrverband.studiengang_kz as studiengang_kz, tbl_studentlehrverband.semester as semester,
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tbl_studentlehrverband.verband as verband, tbl_studentlehrverband.gruppe as gruppe
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FROM public.tbl_student JOIN public.tbl_studentlehrverband USING(student_uid)
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WHERE studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz)." AND student_uid=".$this->db_add_param($uid);
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if($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->uid = $row->student_uid;
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$this->matrikelnr = $row->matrikelnr;
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$this->prestudent_id = $row->prestudent_id;
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$this->studiengang_kz = $row->studiengang_kz;
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$this->semester = $row->semester;
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$this->verband = $row->verband;
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$this->gruppe = $row->gruppe;
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$this->updateamum = $row->updateamum;
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$this->updatevon = $row->updatevon;
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$this->insertamum = $row->insertamum;
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$this->insertvon = $row->insertvon;
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$this->ext_id = $row->ext_id;
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return true;
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}
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else
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{
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$this->errormsg = 'Kein Benutzer mit dieser UID vorhanden';
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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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$this->errormsg = 'Fehler beim Auslesen des Studenten';
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return false;
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}
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}
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/**
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* Prueft die Variablen vor dem Speichern
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* auf Gueltigkeit.
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* @return true wenn ok, false im Fehlerfall
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*/
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public function validate()
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{
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if(mb_strlen($this->uid)>32)
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{
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$this->errormsg = 'UID darf nicht laenger als 32 Zeichen sein';
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return false;
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}
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if($this->uid=='')
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{
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$this->errormsg = 'UID muss eingegeben werden';
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return false;
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}
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if(mb_strlen($this->matrikelnr)>15)
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{
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$this->errormsg = 'Matrikelnummer darf nicht laenger als 15 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->updatevon)>32)
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{
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$this->errormsg = 'Updatevon darf nicht laenger als 32 Zeichen sein';
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return false;
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}
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if($this->prestudent_id!='' && !is_numeric($this->prestudent_id))
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{
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$this->errormsg = 'Prestudent_id muss eine gueltige Zahl sein';
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return false;
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}
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if(!is_numeric($this->studiengang_kz))
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{
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$this->errormsg = 'Studiengang_id muss eine gueltige Zahl sein';
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return false;
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}
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if(!is_numeric($this->semester))
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{
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$this->errormsg = 'Semester muss ein gueltige Zahl sein';
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return false;
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}
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if(mb_strlen($this->verband)>1)
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{
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$this->errormsg = 'Verband darf nicht laenger als 1 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->gruppe)>1)
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{
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$this->errormsg = 'Gruppe darf nicht laenger als 1 Zeichen sein';
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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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* Speichert die Studentendaten in die Datenbank
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* Wenn $new auf true gesetzt ist wird ein neuer Datensatz
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* angelegt, ansonsten der Datensatz mit $person_id upgedated
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* @return true wenn erfolgreich, false im Fehlerfall
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*/
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public function save($new=null, $savebenutzer=true)
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{
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//Variablen checken
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if(!$this->validate())
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return false;
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$this->db_query('BEGIN;');
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if($new==null)
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$new = $this->new;
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if($savebenutzer)
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{
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//Basisdaten speichern
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if(!benutzer::save())
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{
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$this->db_query('ROLLBACK;');
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return false;
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}
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}
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if($new)
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{
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//Neuen Datensatz anlegen
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$qry = "INSERT INTO public.tbl_student(student_uid, matrikelnr, updateamum, updatevon, prestudent_id,
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studiengang_kz, semester, verband, gruppe, insertamum, insertvon)
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VALUES(".$this->db_add_param($this->uid).",".
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$this->db_add_param($this->matrikelnr).",".
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$this->db_add_param($this->updateamum).','.
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$this->db_add_param($this->updatevon).','.
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$this->db_add_param($this->prestudent_id, FHC_INTEGER).','.
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$this->db_add_param($this->studiengang_kz).','.
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$this->db_add_param($this->semester).','.
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$this->db_add_param(($this->verband==''?' ':$this->verband)).','.
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$this->db_add_param(($this->gruppe==''?' ':$this->gruppe)).','.
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$this->db_add_param($this->insertamum).','.
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$this->db_add_param($this->insertvon).');';
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}
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else
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{
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//Bestehenden Datensatz updaten
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$qry = 'UPDATE public.tbl_student SET'.
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' matrikelnr='.$this->db_add_param($this->matrikelnr).','.
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' updateamum='.$this->db_add_param($this->updateamum).','.
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' updatevon='.$this->db_add_param($this->updatevon).','.
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' studiengang_kz='.$this->db_add_param($this->studiengang_kz).','.
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' semester='.$this->db_add_param($this->semester).','.
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' verband='.$this->db_add_param(($this->verband==''?' ':$this->verband)).','.
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' gruppe='.$this->db_add_param(($this->gruppe==''?' ':$this->gruppe)).
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" WHERE student_uid=".$this->db_add_param($this->uid).";";
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}
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if($this->db_query($qry))
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{
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$this->db_query('COMMIT;');
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//Log schreiben
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return true;
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}
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else
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{
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$this->db_query('ROLLBACK;');
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$this->errormsg = 'Fehler beim Speichern des Studenten-Datensatzes';
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return false;
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}
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}
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/**
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* Rueckgabewert ist die Anzahl der Ergebnisse. Bei Fehler negativ und die
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* Fehlermeldung liegt in errormsg.
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* Wenn der Parameter stg_kz NULL ist tritt gruppe in Kraft.
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* @param string $einheit_kurzbz Einheit
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* @param string grp Gruppe
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* @param string ver Verband
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* @param integer sem Semester
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* @param integer stg_kz Kennzahl des Studiengangs
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* @return integer Anzahl der gefundenen Einträge; <b>negativ</b> bei Fehler
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*/
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public function getStudents($stg_kz,$sem=null,$ver=null,$grp=null,$gruppe=null, $stsem=null)
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{
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$where = '';
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if ($gruppe!=null)
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{
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$where=" gruppe_kurzbz=".$this->db_add_param($gruppe)." AND tbl_benutzer.uid=tbl_benutzergruppe.uid";
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if($stsem!=null)
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$where.=" AND tbl_benutzergruppe.studiensemester_kurzbz=".$this->db_add_param($stsem);
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}
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else
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{
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$where.=" tbl_studentlehrverband.studiengang_kz=".$this->db_add_param($stg_kz);
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if ($sem!=null)
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$where.=" AND tbl_studentlehrverband.semester=".$this->db_add_param($sem);
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if ($ver!=null)
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$where.=" AND tbl_studentlehrverband.verband=".$this->db_add_param($ver);
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if ($grp!=null)
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$where.=" AND tbl_studentlehrverband.gruppe=".$this->db_add_param($grp);
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}
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if($stsem!=null)
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$where.=" AND tbl_studentlehrverband.studiensemester_kurzbz=".$this->db_add_param($stsem);
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$sql_query = "SELECT *, tbl_student.semester as std_semester, tbl_student.verband as std_verband, tbl_student.gruppe as std_gruppe, tbl_student.studiengang_kz as std_studiengang_kz,
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tbl_studentlehrverband.studiengang_kz as lvb_studiengang_kz, tbl_studentlehrverband.semester as lvb_semester, tbl_studentlehrverband.verband as lvb_verband, tbl_studentlehrverband.gruppe as lvb_gruppe
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FROM public.tbl_person, public.tbl_student, public.tbl_benutzer, public.tbl_studentlehrverband, public.tbl_prestudent";
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if($gruppe!=null)
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$sql_query.= ",public.tbl_benutzergruppe";
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$sql_query.= " WHERE tbl_prestudent.prestudent_id=tbl_student.prestudent_id AND tbl_person.person_id=tbl_benutzer.person_id AND tbl_benutzer.uid = tbl_student.student_uid AND tbl_studentlehrverband.student_uid=tbl_student.student_uid AND $where ORDER BY nachname, vorname";
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if(!$this->db_query($sql_query))
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{
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$this->errormsg=$this->db_last_error();
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return false;
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}
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$result=array();
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while($row = $this->db_fetch_object())
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{
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$l=new student();
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// Personendaten
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$l->uid=$row->uid;
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$l->person_id=$row->person_id;
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$l->prestudent_id=$row->prestudent_id;
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$l->titelpre=$row->titelpre;
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$l->titelpost=$row->titelpost;
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$l->vornamen=$row->vornamen;
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$l->vorname=$row->vorname;
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$l->nachname=$row->nachname;
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$l->gebdatum=$row->gebdatum;
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$l->gebort=$row->gebort;
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$l->gebzeit=$row->gebzeit;
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$l->familienstand = $row->familienstand;
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$l->svnr=$row->svnr;
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$l->foto=$row->foto;
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$l->anmerkungen=$row->anmerkung;
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$l->aktiv=$this->db_parse_bool($row->aktiv);
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$l->alias=$row->alias;
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$l->homepage=$row->homepage;
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$l->updateamum=(isset($row->updateamum)?$row->updateamum:'');
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$l->updatevon=(isset($row->updatevon)?$row->updatevon:'');
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// Studentendaten
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$l->matrikelnr=$row->matrikelnr;
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$l->gruppe=$row->lvb_gruppe;
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$l->verband=$row->lvb_verband;
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$l->semester=$row->lvb_semester;
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$l->studiengang_kz=$row->lvb_studiengang_kz;
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$l->staatsbuergerschaft = $row->staatsbuergerschaft;
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$l->zgv_code = $row->zgv_code;
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$l->zgvort = $row->zgvort;
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$l->zgvdatum = $row->zgvdatum;
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$l->zgvmas_code = $row->zgvmas_code;
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$l->zgvmaort = $row->zgvmaort;
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$l->zgvmadatum = $row->zgvmadatum;
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//$l->stg_bezeichnung=$row->bezeichnung;
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// student in Array speichern
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$result[]=$l;
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}
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return $result;
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}
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/**
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* Gibt Studenten zurück die im übergebenen Studiengang und semester sind
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* @param $studiengang_kz
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* @param $semester
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* @return boolean
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*/
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public function getStudentsStudiengang($studiengang_kz, $semester = null)
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{
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$qry = "SELECT * FROM public.tbl_student
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JOIN public.tbl_benutzer ON (student_uid = uid)
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JOIN public.tbl_person USING (person_id)
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WHERE tbl_benutzer.aktiv = 'true'";
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if($studiengang_kz!='')
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$qry.=" AND studiengang_kz =".$this->db_add_param($studiengang_kz,FHC_INTEGER);
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if($semester != null)
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$qry .= " AND semester =".$this->db_add_param($semester, FHC_INTEGER);
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$qry.=" ORDER BY nachname, vorname";
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if($result = $this->db_query($qry))
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{
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while($row = $this->db_fetch_object($result))
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{
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$stud = new student();
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$stud->uid = $row->student_uid;
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$stud->matrikelnr = $row->matrikelnr;
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$stud->prestudent_id = $row->prestudent_id;
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$stud->studiengang_kz = $row->studiengang_kz;
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$stud->semester = $row->semester;
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$stud->verband = $row->verband;
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$stud->gruppe = $row->gruppe;
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$stud->person_id = $row->person_id;
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$stud->vorname = $row->vorname;
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$stud->nachname = $row->nachname;
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$stud->gebdatum = $row->gebdatum;
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$this->result[] = $stud;
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}
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return true;
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}
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else
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{
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$this->errormsg = "Fehler bei der Abfrage aufgetreten";
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return false;
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}
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}
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/**
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* Prueft ob die StudentLehrverband Zuteilung
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* bereits existiert
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* @param student_uid
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* @param studiensemester_kurzbz
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* @return true wenn vorhanden, false wenn nicht
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*/
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public function studentlehrverband_exists($student_uid, $studiensemester_kurzbz)
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{
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$qry = "SELECT count(*) as anzahl FROM public.tbl_studentlehrverband
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WHERE student_uid=".$this->db_add_param($student_uid)." AND studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz);
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if($this->db_query($qry))
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{
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if($row = $this->db_fetch_object())
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{
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if($row->anzahl>0)
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return true;
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else
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return false;
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}
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else
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{
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$this->errormsg = 'Fehler beim Ermitteln des Lehrverbandes';
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return false;
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}
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}
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else
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{
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$this->errormsg ='Fehler beim Ermitteln des Lehrverbandes';
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return false;
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}
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}
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/**
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* Prueft ob die StudentLehrverband Zuteilung
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* bereits existiert
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* @param student_uid
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* studiensemester_kurzbz
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* @return true wenn vorhanden, false wenn nicht
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*/
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public function load_studentlehrverband($student_uid, $studiensemester_kurzbz)
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{
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$qry = "SELECT * FROM public.tbl_studentlehrverband
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WHERE student_uid=".$this->db_add_param($student_uid)."
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AND studiensemester_kurzbz=".$this->db_add_param($studiensemester_kurzbz);
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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->uid = $row->student_uid;
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$this->studiensemester_kurzbz = $row->studiensemester_kurzbz;
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$this->studiengang_kz = $row->studiengang_kz;
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$this->semester = $row->semester;
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$this->verband = $row->verband;
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$this->gruppe = $row->gruppe;
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$this->updateamum = $row->updateamum;
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$this->updatevon = $row->updatevon;
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$this->insertamum = $row->insertamum;
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$this->insertvon = $row->insertvon;
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Ermitteln des Lehrverbandes';
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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 Ermitteln des Lehrverbandes';
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return false;
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}
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|
}
|
|
|
|
/**
|
|
* Speichert die Zuteilung von Student zu Lehrverband
|
|
* @param $new
|
|
* @return boolean
|
|
*/
|
|
public function save_studentlehrverband($new=null)
|
|
{
|
|
if($new==null)
|
|
$new = $this->new;
|
|
|
|
if($new)
|
|
{
|
|
$qry = "INSERT INTO public.tbl_studentlehrverband (student_uid, studiensemester_kurzbz, studiengang_kz, semester, verband, gruppe, updateamum, updatevon, insertamum, insertvon)
|
|
VALUES(".$this->db_add_param($this->uid).','.
|
|
$this->db_add_param($this->studiensemester_kurzbz).','.
|
|
$this->db_add_param($this->studiengang_kz).','.
|
|
$this->db_add_param($this->semester).','.
|
|
$this->db_add_param(($this->verband==''?' ':$this->verband)).','.
|
|
$this->db_add_param(($this->gruppe==''?' ':$this->gruppe)).','.
|
|
$this->db_add_param($this->updateamum).','.
|
|
$this->db_add_param($this->updatevon).','.
|
|
$this->db_add_param($this->insertamum).','.
|
|
$this->db_add_param($this->insertvon).');';
|
|
}
|
|
else
|
|
{
|
|
$qry = "UPDATE public.tbl_studentlehrverband SET".
|
|
" studiengang_kz=".$this->db_add_param($this->studiengang_kz).",".
|
|
" semester=".$this->db_add_param($this->semester).",".
|
|
" verband=".$this->db_add_param(($this->verband==''?' ':$this->verband)).",".
|
|
" gruppe=".$this->db_add_param(($this->gruppe==''?' ':$this->gruppe)).",".
|
|
" updateamum=".$this->db_add_param($this->updateamum).",".
|
|
" updatevon=".$this->db_add_param($this->updatevon).
|
|
" WHERE student_uid=".$this->db_add_param($this->uid)." AND studiensemester_kurzbz=".$this->db_add_param($this->studiensemester_kurzbz);
|
|
}
|
|
|
|
if($this->db_query($qry))
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Fehler beim Speichern der Studentlehrverbandzuordnung';
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Laedt die UID anhand der Prestudent_id
|
|
* @param prestudent_id
|
|
* @return uid wenn ok, false wenn Fehler
|
|
*/
|
|
public function getUid($prestudent_id)
|
|
{
|
|
if(!is_numeric($prestudent_id))
|
|
{
|
|
$this->errormsg = 'PrestudentID ist ungueltig';
|
|
return false;
|
|
}
|
|
|
|
$qry = "SELECT student_uid FROM public.tbl_student WHERE prestudent_id=".$this->db_add_param($prestudent_id);
|
|
|
|
if($this->db_query($qry))
|
|
{
|
|
if($row = $this->db_fetch_object())
|
|
{
|
|
return $row->student_uid;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Student nicht gefunden';
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Fehler beim Laden der Daten';
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Laedt die UID anhand der Matrikelnummer
|
|
* @param matrikelnummer
|
|
* @return uid wenn ok, false wenn Fehler
|
|
*/
|
|
public function getUidFromMatrikelnummer($matrikelnummer)
|
|
{
|
|
$qry = "SELECT student_uid FROM public.tbl_student WHERE matrikelnr=".$this->db_add_param($matrikelnummer);
|
|
|
|
if($this->db_query($qry))
|
|
{
|
|
if($row = $this->db_fetch_object())
|
|
{
|
|
return $row->student_uid;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Student nicht gefunden';
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Fehler beim Laden der Daten';
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Laedt die Daten eines Studenten anhand der Person_id und des Studienganges
|
|
* Wenn mehrere Eintraege fuer diesen Studiengang vorhanden sind, dann wird der zuletzt eingetragene verwendet
|
|
*
|
|
* @param person_id
|
|
* @param studiengang_kz
|
|
* @return true wenn ok, false im Fehlerfall
|
|
*/
|
|
public function load_person($person_id, $studiengang_kz = null)
|
|
{
|
|
$qry = "SELECT tbl_student.* FROM public.tbl_benutzer JOIN public.tbl_student ON(uid=student_uid)
|
|
WHERE person_id=".$this->db_add_param($person_id, FHC_INTEGER);
|
|
|
|
if($studiengang_kz != '')
|
|
{
|
|
$qry .= " AND studiengang_kz=".$this->db_add_param($studiengang_kz, FHC_INTEGER);
|
|
}
|
|
|
|
$qry .= " ORDER BY prestudent_id DESC LIMIT 1";
|
|
|
|
if($this->db_query($qry))
|
|
{
|
|
if($row = $this->db_fetch_object())
|
|
{
|
|
$this->uid = $row->student_uid;
|
|
$this->matrikelnr = $row->matrikelnr;
|
|
$this->prestudent_id = $row->prestudent_id;
|
|
$this->studiengang_kz = $row->studiengang_kz;
|
|
$this->semester = $row->semester;
|
|
$this->verband = $row->verband;
|
|
$this->gruppe = $row->gruppe;
|
|
$this->updateamum = $row->updateamum;
|
|
$this->updatevon = $row->updatevon;
|
|
$this->insertamum = $row->insertamum;
|
|
$this->insertvon = $row->insertvon;
|
|
$this->ext_id = $row->ext_id;
|
|
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Kein Benutzer mit dieser UID vorhanden';
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Fehler beim Auslesen des Studenten';
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Liefert die Tabellenelemente die den Kriterien der Parameter entsprechen
|
|
* Ueberschreibt die Methode aus der Klasse Person
|
|
* @param $filter String mit Vorname oder Nachname
|
|
* @param $order Sortierkriterium
|
|
* @return array mit Personen oder false wenn ein Fehler auftritt
|
|
*/
|
|
public function getTab($filter, $order='person_id')
|
|
{
|
|
$sql_query = "SELECT
|
|
person_id, staatsbuergerschaft, geburtsnation, sprache, anrede, titelpost, titelpre,
|
|
nachname, vorname, vornamen, gebdatum, gebort, gebzeit, anmerkung, homepage, svnr,
|
|
ersatzkennzeichen, familienstand, geschlecht, anzahlkinder, tbl_person.aktiv, kurzbeschreibung,
|
|
tbl_benutzer.aktiv as bnaktiv, tbl_student.studiengang_kz, tbl_student.semester, tbl_student.verband,
|
|
tbl_student.gruppe, tbl_student.prestudent_id, tbl_benutzer.uid
|
|
FROM
|
|
public.tbl_person
|
|
JOIN public.tbl_benutzer USING(person_id)
|
|
JOIN public.tbl_student ON(student_uid=uid)
|
|
WHERE true ";
|
|
|
|
if($filter!='')
|
|
{
|
|
$sql_query.=" AND nachname ~* ".$this->db_add_param($filter)." OR
|
|
vorname ~* ".$this->db_add_param($filter)." OR
|
|
(nachname || ' ' || vorname) ~* ".$this->db_add_param($filter)." OR
|
|
(vorname || ' ' || nachname) ~* ".$this->db_add_param($filter);
|
|
}
|
|
|
|
$sql_query .= " ORDER BY $order";
|
|
if($filter=='')
|
|
$sql_query .= " LIMIT 30";
|
|
|
|
if($this->db_query($sql_query))
|
|
{
|
|
while($row = $this->db_fetch_object())
|
|
{
|
|
$l = new student();
|
|
$l->person_id = $row->person_id;
|
|
$l->staatsbuergerschaft = $row->staatsbuergerschaft;
|
|
$l->geburtsnation = $row->geburtsnation;
|
|
$l->sprache = $row->sprache;
|
|
$l->anrede = $row->anrede;
|
|
$l->titelpost = $row->titelpost;
|
|
$l->titelpre = $row->titelpre;
|
|
$l->nachname = $row->nachname;
|
|
$l->vorname = $row->vorname;
|
|
$l->vornamen = $row->vornamen;
|
|
$l->gebdatum = $row->gebdatum;
|
|
$l->gebort = $row->gebort;
|
|
$l->gebzeit = $row->gebzeit;
|
|
$l->anmerkungen = $row->anmerkung;
|
|
$l->homepage = $row->homepage;
|
|
$l->svnr = $row->svnr;
|
|
$l->ersatzkennzeichen = $row->ersatzkennzeichen;
|
|
$l->familienstand = $row->familienstand;
|
|
$l->geschlecht = $row->geschlecht;
|
|
$l->anzahlkinder = $row->anzahlkinder;
|
|
$l->aktiv = $this->db_parse_bool($row->aktiv);
|
|
$l->kurzbeschreibung = $row->kurzbeschreibung;
|
|
$l->bnaktiv = $this->db_parse_bool($row->bnaktiv);
|
|
$l->studiengang_kz = $row->studiengang_kz;
|
|
$l->semester = $row->semester;
|
|
$l->verband = $row->verband;
|
|
$l->gruppe = $row->gruppe;
|
|
$l->prestudent_id = $row->prestudent_id;
|
|
$l->uid = $row->uid;
|
|
$this->result[]=$l;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = $this->db_last_error();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Laedt alle Incoming
|
|
* @return boolean
|
|
*/
|
|
public function getIncoming()
|
|
{
|
|
$qry = "
|
|
SELECT
|
|
distinct tbl_student.*, tbl_benutzer.*, tbl_person.*
|
|
FROM
|
|
public.tbl_student
|
|
JOIN public.tbl_benutzer ON (student_uid = uid)
|
|
JOIN public.tbl_person USING (person_id)
|
|
JOIN public.tbl_prestudent USING (prestudent_id)
|
|
JOIN public.tbl_prestudentstatus USING(prestudent_id)
|
|
WHERE
|
|
tbl_benutzer.aktiv AND
|
|
tbl_prestudentstatus.status_kurzbz='Incoming'
|
|
";
|
|
|
|
if($result = $this->db_query($qry))
|
|
{
|
|
while($row = $this->db_fetch_object($result))
|
|
{
|
|
$stud = new student();
|
|
$stud->uid = $row->student_uid;
|
|
$stud->matrikelnr = $row->matrikelnr;
|
|
$stud->prestudent_id = $row->prestudent_id;
|
|
$stud->studiengang_kz = $row->studiengang_kz;
|
|
$stud->semester = $row->semester;
|
|
$stud->verband = $row->verband;
|
|
$stud->gruppe = $row->gruppe;
|
|
$stud->person_id = $row->person_id;
|
|
$stud->vorname = $row->vorname;
|
|
$stud->nachname = $row->nachname;
|
|
$stud->gebdatum = $row->gebdatum;
|
|
|
|
$this->result[] = $stud;
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = "Fehler bei der Abfrage aufgetreten";
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function getStudentUidsForMeldung($studiensemester1, $studiensemester2, $studiensemester3, $zeitraumStart, $zeitraumEnde)
|
|
{
|
|
$qry = "SELECT DISTINCT ON(student_uid)* FROM public.tbl_student
|
|
JOIN public.tbl_benutzer ON(student_uid = uid)
|
|
JOIN public.tbl_person USING(person_id)
|
|
JOIN public.tbl_prestudent USING(prestudent_id)
|
|
JOIN public.tbl_prestudentstatus ps USING(prestudent_id)
|
|
WHERE
|
|
bismelden
|
|
AND ps.studiensemester_kurzbz
|
|
IN(".$this->db_add_param($studiensemester1).","
|
|
.$this->db_add_param($studiensemester2).","
|
|
.$this->db_add_param($studiensemester3).")
|
|
AND ps.datum > ".$this->db_add_param($zeitraumStart)."
|
|
AND ps.datum <= ".$this->db_add_param($zeitraumEnde)."
|
|
AND ps.status_kurzbz IN('Student','Unterbrecher','Abbrecher','Absolvent');";
|
|
|
|
if($result = $this->db_query($qry))
|
|
{
|
|
$uids = array();
|
|
while($row = $this->db_fetch_object($result))
|
|
{
|
|
array_push($uids, $row->student_uid);
|
|
}
|
|
return $uids;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Löscht die Zuordnung eines Studenten zu einer Lehrverbandsgruppe
|
|
* @param type $uid
|
|
* @param type $studiengang_kz
|
|
* @param type $studiensemester
|
|
* @param type $semester
|
|
* @param type $verband
|
|
* @param type $gruppe
|
|
*/
|
|
public function delete_studentLehrverband($uid, $studiengang_kz, $studiensemester, $semester)
|
|
{
|
|
$qry = 'DELETE FROM public.tbl_studentlehrverband '
|
|
. 'WHERE student_uid='.$this->db_add_param($uid)
|
|
. ' AND studiensemester_kurzbz='.$this->db_add_param($studiensemester)
|
|
. ' AND studiengang_kz='.$this->db_add_param($studiengang_kz)
|
|
. ' AND semester='.$this->db_add_param($semester).';';
|
|
|
|
if($this->db_query($qry))
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'StudentLehrverband konnte nicht gelöscht werden.';
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Lädt alle LV eines Studenten für ein Semester (standardmäßig aktuelles Semester)
|
|
*
|
|
* @param string $uid
|
|
* @param string $studiensemester
|
|
* @return boolean
|
|
*/
|
|
public function get_lv($uid, $studiensemester = null)
|
|
{
|
|
|
|
if(!$studiensemester)
|
|
{
|
|
$sem = new studiensemester;
|
|
$studiensemester = $sem->getNearest();
|
|
}
|
|
|
|
$qry = 'SELECT * '
|
|
. 'FROM campus.vw_student_lehrveranstaltung '
|
|
. 'WHERE uid = ' . $this->db_add_param($uid)
|
|
. 'AND studiensemester_kurzbz = ' . $this->db_add_param($studiensemester)
|
|
. ' ORDER BY bezeichnung';
|
|
|
|
if($result = $this->db_query($qry))
|
|
{
|
|
while($row = $this->db_fetch_object($result))
|
|
{
|
|
$this->result[] = $row;
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = "Fehler bei der Abfrage aufgetreten";
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checkt, ob ein Student schon BIS-Gemeldet wurde.
|
|
*
|
|
* @param string $uid
|
|
* @return boolean True, wenn er schon gemeldet wurde, False, wenn nicht und Null im Fehlerfall
|
|
*/
|
|
public function isStudentBisGemeldet($uid)
|
|
{
|
|
$qry = "SELECT datum
|
|
FROM PUBLIC.tbl_student
|
|
JOIN PUBLIC.tbl_prestudent USING (prestudent_id)
|
|
JOIN PUBLIC.tbl_prestudentstatus USING (prestudent_id)
|
|
WHERE student_uid = " . $this->db_add_param($uid) . "
|
|
AND status_kurzbz = 'Student'
|
|
AND bismelden = true
|
|
ORDER BY ausbildungssemester ASC LIMIT 1";
|
|
|
|
// Datum der letzten BIS-Meldung herausfinden
|
|
$datumLetzteMeldung = '';
|
|
$datumNovemberVorjahr = date('Y', strtotime("-1 year")).'-11-15';
|
|
$datumApril = date('Y').'-04-15';
|
|
$datumNovember = date('Y').'-11-15';
|
|
|
|
$timestampNovemberVorjahr = strtotime(date('Y', strtotime("-1 year")).'-11-15');
|
|
$timestampApril = strtotime(date('Y').'-04-15');
|
|
$timestampNovember = strtotime(date('Y').'-11-15');
|
|
|
|
$heute = time();
|
|
|
|
if ($heute - $timestampNovemberVorjahr >= $heute - $timestampApril &&
|
|
$heute - $timestampApril < 0)
|
|
$datumLetzteMeldung = $datumNovemberVorjahr;
|
|
elseif ($heute - $timestampApril >= $heute - $timestampNovember &&
|
|
$heute - $timestampNovember < 0)
|
|
$datumLetzteMeldung = $datumApril;
|
|
else
|
|
$datumLetzteMeldung = $datumNovember;
|
|
|
|
if($result = $this->db_query($qry))
|
|
{
|
|
if($this->db_num_rows($result) > 0)
|
|
{
|
|
if($row = $this->db_fetch_object($result))
|
|
{
|
|
// Wenn der Studentenstatus kleiner oder gleich dem Datum der letzten Meldung ist, wurde der Student gemeldet
|
|
if (strtotime($row->datum) <= strtotime($datumLetzteMeldung))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Es wurde kein Datum oder Student gefunden';
|
|
return null;
|
|
}
|
|
}
|
|
else
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
$this->errormsg = 'Fehler beim ausführen der Abfrage';
|
|
return null;
|
|
}
|
|
}
|
|
}
|