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<?php
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/*
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$Header: /include/zeitwunsch.class.php,v 1.2 2004/10/16 17:05:38 pam Exp $
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$Log: zeitwunsch.class.php,v $
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Revision 1.2 2004/10/16 17:05:38 pam
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Anpassung an neue DB-Struktur.
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*/
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/****************************************************************************
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* @class Zeitwunsch
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* @author Christian Paminger
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* @date 2004/8/21
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* @version $Revision: 1.2 $
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* Update: 21.10.2004 von Christian Paminger
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* @brief Klasse zur Bearbeitung und Abfrage der Tabelle tbl_zeitwunsch
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* Abhaengig: von ?
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*****************************************************************************/
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class zeitwunsch
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{
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// @var string
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var $uid;
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// @var int
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var $stunde;
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// @var int
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var $tag;
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// @var int
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var $gewicht;
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// @var string
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var $errormsg;
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// @var conn
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var $conn;
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// @var ferien
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var $zeitwunsch=array();
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function zeitwunsch($conn)
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{
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$this->conn=$conn;
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}
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/**
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* Zeitwunsch einer Person laden
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* @return boolean Ergebnis steht in Array $zeitwunsch wenn true
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*/
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function loadPerson($uid)
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{
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// Zeitwuensche abfragen
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if(!$result=@pg_query($this->conn, "SELECT * FROM tbl_zeitwunsch WHERE uid='$uid'"))
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{
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$this->errormsg=pg_last_error($this->conn);
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return false;
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}
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else
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{
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while ($row=@pg_fetch_object($result))
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$this->zeitwunsch[$row->tag][$row->stunde]=$row->gewicht;
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return true;
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}
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}
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/**
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* Zeitwunsch der Personen in Lehrveranstaltungen laden
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* @return array mit Fachbereichen oder false=fehler
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*/
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function loadLVA($lva_id)
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{
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// SUB-Select fuer LVAs
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$sql_query_lva='SELECT DISTINCT lektor FROM tbl_lehrveranstaltung WHERE ';
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for ($i=0;$i<count($lva_id);$i++)
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$sql_query_lvaid.=' OR lehrveranstaltung_id='.$lva_id[$i];
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$sql_query_lvaid=substr($sql_query_lvaid,3);
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$sql_query_lva.=$sql_query_lvaid;
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// Schlechteste Zeitwuensche holen
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$sql_query='SELECT tag,stunde,min(gewicht) AS gewicht
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FROM tbl_zeitwunsch WHERE uid IN ('.$sql_query_lva.') GROUP BY tag,stunde';
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// Zeitwuensche abfragen
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if(!$result=@pg_query($this->conn, $sql_query))
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{
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$this->errormsg=pg_last_error($this->conn);
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return false;
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}
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else
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{
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while ($row=@pg_fetch_object($result))
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$this->zeitwunsch[$row->tag][$row->stunde]=$row->gewicht;
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return true;
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}
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}
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}
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?>
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