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Studienordnung Klassendiagramm
This commit is contained in:
Christian Paminger
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<?php
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/*
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* studienplatz.class.php
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*
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* Copyright 2013 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 published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*
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* Authors: Christian Paminger <christian.paminger@technikum-wien.at>
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*/
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require_once(dirname(__FILE__).'/basis_db.class.php');
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class studienplatz extends basis_db
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{
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private $new; // boolean
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private $result; // DB-Result
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public $studienplatz = array(); // Objekt
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//Tabellenspalten
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private $studienplatz_id; // integer
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private $studiengang_kz; // integer
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private $orgform_kurzbz; // varchar
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private $studiensemester; // varchar
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private $gpz; // integer
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private $npz; // integer
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private $updateamum; // timestamp
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private $updatevon; // varchar
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private $insertamum; // timestamp
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private $insertvon; // varchar
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/**
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* Konstruktor
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* @param $studienplatz_id ID des Studienplatz der geladen werden soll (Default=null)
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*/
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public function __construct($studienplatz_id=null)
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{
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parent::__construct();
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if(!is_null($studienplatz_id))
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$this->load($studienplatz_id);
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}
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/**
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* Laedt die Adresse mit der ID $studienplatz_id
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* @param $adress_id ID der zu ladenden Adresse
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* @return true wenn ok, false im Fehlerfall
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*/
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public function loadStudienplatz($studienplatz_id)
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{
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//Pruefen ob adress_id eine gueltige Zahl ist
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if(!is_numeric($studienplatz_id) || $studienplatz_id == '')
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{
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$this->errormsg = 'Adresse_id muss eine Zahl sein';
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return false;
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}
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//Daten aus der Datenbank lesen
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$qry = "SELECT * FROM public.tbl_adresse WHERE studienplatz_id=".$this->db_add_param($studienplatz_id, FHC_INTEGER, false);
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if(!$this->db_query($qry))
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{
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$this->errormsg = 'Fehler bei einer Datenbankabfrage';
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return false;
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}
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if($row = $this->db_fetch_object())
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{
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$this->adresse_id = $row->adresse_id;
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$this->heimatadresse = $this->db_parse_bool($row->heimatadresse);
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$this->zustelladresse = $this->db_parse_bool($row->zustelladresse);
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$this->gemeinde = $row->gemeinde;
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$this->name = $row->name;
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$this->nation = $row->nation;
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$this->ort = $row->ort;
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$this->person_id = $row->person_id;
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$this->plz = $row->plz;
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$this->strasse = $row->strasse;
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$this->typ = $row->typ;
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$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->firma_id = $row->firma_id;
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}
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else
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{
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$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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* Laedt alle Adressen zu der Person die uebergeben wird
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* @param $pers_id ID der Person zu der die Adressen geladen werden sollen
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* @return true wenn ok, false im Fehlerfall
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*/
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public function load_pers($pers_id)
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{
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//Pruefen ob pers_id eine gueltige Zahl ist
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if(!is_numeric($pers_id) || $pers_id == '')
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{
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$this->errormsg = 'person_id muss eine gültige Zahl sein';
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return false;
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}
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//Lesen der Daten aus der Datenbank
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$qry = "SELECT * FROM public.tbl_adresse WHERE person_id=".$this->db_add_param($pers_id, FHC_INTEGER, false);
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if(!$this->db_query($qry))
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{
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$this->errormsg = 'Fehler bei einer Datenbankabfrage';
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return false;
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}
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while($row = $this->db_fetch_object())
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{
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$adr_obj = new adresse();
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$adr_obj->adresse_id = $row->adresse_id;
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$adr_obj->heimatadresse = $this->db_parse_bool($row->heimatadresse);
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$adr_obj->gemeinde = $row->gemeinde;
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$adr_obj->name = $row->name;
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$adr_obj->nation = $row->nation;
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$adr_obj->ort = $row->ort;
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$adr_obj->person_id = $row->person_id;
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$adr_obj->plz = $row->plz;
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$adr_obj->strasse = $row->strasse;
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$adr_obj->typ = $row->typ;
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$adr_obj->firma_id = $row->firma_id;
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$adr_obj->updateamum = $row->updateamum;
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$adr_obj->updatevon = $row->updatevon;
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$adr_obj->insertamum = $row->insertamum;
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$adr_obj->insertvon = $row->insertvon;
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$adr_obj->zustelladresse = $this->db_parse_bool($row->zustelladresse);
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$this->result[] = $adr_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 Adressen zu der Firma die uebergeben wird
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*
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* ACHTUNG: Diese Funktion wird nur mehr fuer Lehrauftraege benoetigt.
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* Die Adresse zu einer Firma wird nun ueber die Tabelle Standort hergestellt!
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*
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* @deprec 2.0
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* @param $firma_id ID der Firma zu der die Adressen geladen werden sollen
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* @return true wenn ok, false im Fehlerfall
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*/
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public function load_firma($firma_id)
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{
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//Pruefen ob pers_id eine gueltige Zahl ist
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if(!is_numeric($firma_id) || $firma_id == '')
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{
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$this->errormsg = 'firma_id muss eine gültige Zahl sein';
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return false;
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}
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//Lesen der Daten aus der Datenbank
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$qry = "SELECT * FROM public.tbl_adresse WHERE firma_id=".$this->db_add_param($firma_id, FHC_INTEGER, false);
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if(!$this->db_query($qry))
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{
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$this->errormsg = 'Fehler bei einer Datenbankabfrage';
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return false;
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}
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while($row = $this->db_fetch_object())
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{
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$adr_obj = new adresse();
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$adr_obj->adresse_id = $row->adresse_id;
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$adr_obj->heimatadresse = $this->db_parse_bool($row->heimatadresse);
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$adr_obj->gemeinde = $row->gemeinde;
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$adr_obj->name = $row->name;
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$adr_obj->nation = $row->nation;
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$adr_obj->ort = $row->ort;
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$adr_obj->person_id = $row->person_id;
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$adr_obj->plz = $row->plz;
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$adr_obj->strasse = $row->strasse;
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$adr_obj->typ = $row->typ;
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$adr_obj->firma_id = $row->firma_id;
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$adr_obj->updateamum = $row->updateamum;
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$adr_obj->updatevon = $row->updatevon;
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$adr_obj->insertamum = $row->insertamum;
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$adr_obj->insertvon = $row->insertvon;
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$adr_obj->zustelladresse = $this->db_parse_bool($row->zustelladresse);
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$this->result[] = $adr_obj;
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}
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return true;
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}
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/**
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* Prueft die Variablen auf Gueltigkeit
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* @return true wenn ok, false im Fehlerfall
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*/
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protected function validate()
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{
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//Zahlenfelder pruefen
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if(!is_numeric($this->person_id) && $this->person_id!='')
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{
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$this->errormsg='person_id enthaelt ungueltige Zeichen';
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return false;
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}
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//Gesamtlaenge pruefen
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if(mb_strlen($this->name)>255)
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{
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$this->errormsg = 'Name darf nicht länger als 255 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->strasse)>255)
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{
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$this->errormsg = 'Strasse darf nicht länger als 255 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->plz)>10)
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{
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$this->errormsg = 'Plz darf nicht länger als 10 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->ort)>255)
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{
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$this->errormsg = 'Ort darf nicht länger als 255 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->nation)>3)
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{
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$this->errormsg = 'Nation darf nicht länger als 3 Zeichen sein';
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return false;
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}
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if(mb_strlen($this->gemeinde)>255)
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{
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$this->errormsg = 'Gemeinde darf nicht länger als 255 Zeichen sein';
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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 in die Datenbank
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* Wenn $neu auf true gesetzt ist wird ein neuer Datensatz angelegt
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* andernfalls wird der Datensatz mit der ID in $adresse_id aktualisiert
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* @return true wenn ok, false im Fehlerfall
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*/
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public function save()
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{
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//Variablen pruefen
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if(!$this->validate())
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return false;
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if($this->new)
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{
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//Neuen Datensatz einfuegen
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$qry='BEGIN;INSERT INTO public.tbl_adresse (person_id, name, strasse, plz, typ, ort, nation, insertamum, insertvon,
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gemeinde, heimatadresse, zustelladresse, firma_id, updateamum, updatevon, ext_id) VALUES('.
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$this->db_add_param($this->person_id, FHC_INTEGER).', '.
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$this->db_add_param($this->name).', '.
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$this->db_add_param($this->strasse).', '.
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$this->db_add_param($this->plz).', '.
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$this->db_add_param(trim($this->typ)).', '.
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$this->db_add_param($this->ort).', '.
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$this->db_add_param($this->nation).', now(), '.
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$this->db_add_param($this->insertvon).', '.
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$this->db_add_param($this->gemeinde).', '.
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$this->db_add_param($this->heimatadresse,FHC_BOOLEAN, false).', '.
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$this->db_add_param($this->zustelladresse,FHC_BOOLEAN, false).', '.
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$this->db_add_param($this->firma_id, FHC_INTEGER).', now(), '.
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$this->db_add_param($this->updatevon).', '.
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$this->db_add_param($this->ext_id, FHC_INTEGER).');';
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}
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else
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{
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//Pruefen ob adresse_id eine gueltige Zahl ist
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if(!is_numeric($this->adresse_id))
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{
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$this->errormsg = 'adresse_id muss eine gueltige Zahl sein';
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return false;
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}
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$qry='UPDATE public.tbl_adresse SET'.
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' person_id='.$this->db_add_param($this->person_id, FHC_INTEGER).', '.
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' name='.$this->db_add_param($this->name).', '.
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' strasse='.$this->db_add_param($this->strasse).', '.
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' plz='.$this->db_add_param($this->plz).', '.
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' typ='.$this->db_add_param(trim($this->typ)).', '.
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' ort='.$this->db_add_param($this->ort).', '.
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' nation='.$this->db_add_param($this->nation).', '.
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' gemeinde='.$this->db_add_param($this->gemeinde).', '.
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' firma_id='.$this->db_add_param($this->firma_id, FHC_INTEGER).','.
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' updateamum= now(), '.
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' updatevon='.$this->db_add_param($this->updatevon).', '.
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' heimatadresse='.$this->db_add_param($this->heimatadresse, FHC_BOOLEAN, false).', '.
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' zustelladresse='.$this->db_add_param($this->zustelladresse, FHC_BOOLEAN, false).' '.
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'WHERE adresse_id='.$this->db_add_param($this->adresse_id, FHC_INTEGER, false).';';
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}
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if($this->db_query($qry))
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{
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if($this->new)
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{
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//naechste ID aus der Sequence holen
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$qry="SELECT currval('public.tbl_adresse_adresse_id_seq') as id;";
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if($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->adresse_id = $row->id;
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$this->db_query('COMMIT');
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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 Auslesen der Sequence";
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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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$this->db_query('ROLLBACK');
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$this->errormsg = 'Fehler beim Auslesen der Sequence';
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return false;
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}
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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 Speichern des Adress-Datensatzes';
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return false;
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}
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return $this->adresse_id;
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}
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/**
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* Loescht den Datenensatz mit der ID die uebergeben wird
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* @param $adresse_id ID die geloescht werden soll
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* @return true wenn ok, false im Fehlerfall
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*/
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public function delete($adresse_id)
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{
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//Pruefen ob adresse_id eine gueltige Zahl ist
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if(!is_numeric($adresse_id) || $adresse_id == '')
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{
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$this->errormsg = 'adresse_id muss eine gültige Zahl sein'."\n";
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return false;
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}
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//loeschen des Datensatzes
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$qry="DELETE FROM public.tbl_adresse WHERE adresse_id=".$this->db_add_param($adresse_id, FHC_INTEGER, false).";";
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if($this->db_query($qry))
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{
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return true;
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}
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else
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{
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$this->errormsg = 'Fehler beim Löschen der Daten'."\n";
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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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