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Umstellung auf Basisklasse und Datenbankklasse
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+59
-55
@@ -23,62 +23,64 @@
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* Klasse lvinfo (FAS-Online)
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* @create 04-12-2006
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*/
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require_once(dirname(__FILE__).'/basis_db.class.php');
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class lvinfo
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class lvinfo extends basis_db
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{
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var $conn; // @var resource DB-Handle
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var $new; // @var boolean
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var $errormsg; // @var string
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var $result = array(); // @var fachbereich Objekt
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public $new; // boolean
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public $result = array(); // fachbereich Objekt
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//Tabellenspalten
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var $lehrveranstaltung_id; // @var integer
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var $lehrziele; // @var string
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var $titel; // @var varchar(256)
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var $methodik; // @var string
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var $lehrinhalte; // @var string
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var $voraussetzungen; // @var string
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var $unterlagen; // @var string
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var $pruefungsordnung; // @var string
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var $anmerkungen; // @var string
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var $kurzbeschreibung; // @var string
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var $genehmigt; // @var boolean
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var $aktiv; // @var boolean
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var $sprache; // @var string
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var $updateamum; // @var timestamp
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var $updatevon=0; // @var string
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var $insertamum; // @var timestamp
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var $insertvon=0; // @var string
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public $lehrveranstaltung_id; // integer
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public $lehrziele; // string
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public $titel; // varchar(256)
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public $methodik; // string
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public $lehrinhalte; // string
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public $voraussetzungen; // string
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public $unterlagen; // string
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public $pruefungsordnung; // string
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public $anmerkungen; // string
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public $kurzbeschreibung; // string
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public $genehmigt; // boolean
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public $aktiv; // boolean
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public $sprache; // string
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public $updateamum; // timestamp
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public $updatevon=0; // string
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public $insertamum; // timestamp
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public $insertvon=0; // string
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var $lastqry; //zuletzt ausgefuehrte qry (benoetigt fuer log)
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public $lastqry; //zuletzt ausgefuehrte qry (benoetigt fuer log)
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/**
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* Konstruktor
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* @param $conn Connection zur DB
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* $lvinfo_id ID des zu ladenden Ortes
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*/
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function lvinfo($conn, $lvinfo_id=null)
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public function __construct($lvinfo_id=null)
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{
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$this->conn = $conn;
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parent::__construct();
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if($lvinfo_id != null && is_numeric($lvinfo_id))
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$this->load($lvinfo_id);
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}
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/**
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* Laedt alle verfuegbaren LVInfos
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* @return true wenn ok, false im Fehlerfall
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*/
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function getAll()
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public function getAll()
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{
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$qry = 'SELECT * FROM campus.tbl_lvinfo order by lvinfo_id;';
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$qry = 'SELECT * FROM campus.tbl_lvinfo ORDER BY lvinfo_id;';
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if(!$res = pg_query($this->conn, $qry))
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if(!$this->db_query($qry))
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{
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$this->errormsg = 'Fehler beim Laden der Datensaetze';
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return false;
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}
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while($row = pg_fetch_object($res))
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while($row = $this->db_fetch_object())
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{
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$lvinfo_obj = new lvinfo($this->conn);
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$lvinfo_obj = new lvinfo();
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$lvinfo_obj->lehrveranstaltung_id = $row->lehrveranstaltung_id;
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$lvinfo_obj->lehrziele = $row->lehrziele;
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@@ -109,21 +111,23 @@ class lvinfo
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* $sprache
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* @return true wenn ok, false im Fehlerfall
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*/
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function load($lehrveranstaltung_id, $sprache)
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public function load($lehrveranstaltung_id, $sprache)
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{
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if($lehrveranstaltung_id == '' || !is_numeric($lehrveranstaltung_id))
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{
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$this->errormsg = 'lvinfo_id ungültig';
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return false;
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}
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$qry = "SELECT * FROM campus.tbl_lvinfo WHERE lehrveranstaltung_id = '$lehrveranstaltung_id' AND sprache='".addslashes($sprache)."';";
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$qry = "SELECT * FROM campus.tbl_lvinfo
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WHERE lehrveranstaltung_id = '$lehrveranstaltung_id' AND sprache='".addslashes($sprache)."';";
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if(!$res = pg_query($this->conn, $qry))
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if(!$this->db_query($qry))
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{
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$this->errormsg = 'Fehler beim Laden des Datensatzes';
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return false;
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}
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if($row=pg_fetch_object($res))
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if($row = $this->db_fetch_object())
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{
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$this->lehrveranstaltung_id = $row->lehrveranstaltung_id;
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$this->lehrziele = $row->lehrziele;
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@@ -157,7 +161,7 @@ class lvinfo
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* @param $lvinfo_id ID des Datensatzes der geloescht werden soll
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* @return true wenn ok, false im Fehlerfall
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*/
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function delete($lvinfo_id)
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public function delete($lvinfo_id)
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{
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if(!is_numeric($lvinfo_id))
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{
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@@ -167,7 +171,7 @@ class lvinfo
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$qry = "DELETE FROM campus.tbl_lvinfo WHERE lehrveranstaltung_id='$lvinfo_id'";
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if(pg_query($this->conn, $qry))
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if($this->db_query($qry))
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{
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$this->lastqry = $qry;
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return true;
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@@ -178,20 +182,17 @@ class lvinfo
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return false;
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}
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}
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function addslashes($var)
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{
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return ($var!=''?"'".addslashes($var)."'":'null');
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}
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/**
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* Prueft die Gueltigkeit der Variablen
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* @return true wenn ok, false im Fehlerfall
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*/
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function checkvars()
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protected function validate()
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{
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//Laenge Pruefen
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if(strlen($this->sprache)>16)
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{
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$this->errormsg = "Sprache darf nicht laenger als 16 Zeichen sein bei <b>".$this->lvinfo_id."</b> - $this->sprache";
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$this->errormsg = 'Sprache darf nicht laenger als 16 Zeichen sein';
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return false;
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}
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if(!is_numeric($this->lehrveranstaltung_id))
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@@ -201,14 +202,15 @@ class lvinfo
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}
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return true;
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}
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/**
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* Speichert den aktuellen Datensatz
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* @return true wenn ok, false im Fehlerfall
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*/
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function save()
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public function save()
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{
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//Gueltigkeit der Variablen pruefen
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if(!$this->checkvars())
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if(!$this->validate())
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return false;
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if($this->new)
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@@ -266,9 +268,8 @@ class lvinfo
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'WHERE lehrveranstaltung_id = '.$this->addslashes($this->lehrveranstaltung_id)." AND sprache=".$this->addslashes($this->sprache).";";
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}
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if(pg_query($this->conn, $qry))
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if($this->db_query($qry))
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{
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$this->lastqry=$qry;
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return true;
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}
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@@ -279,7 +280,14 @@ class lvinfo
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}
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}
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function exists($lehrveranstaltung_id, $sprache=null)
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/**
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* Prueft ob bereits eine LV-Info angelegt ist
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*
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* @param $lehrveranstaltung_id
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* @param $sprache
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* @return boolean
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*/
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public function exists($lehrveranstaltung_id, $sprache=null)
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{
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if(!is_numeric($lehrveranstaltung_id))
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{
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@@ -292,18 +300,14 @@ class lvinfo
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if(!is_null($sprache))
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$qry .= " AND sprache='".addslashes($sprache)."'";
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if($result=pg_query($this->conn, $qry))
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if($this->db_query($qry))
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{
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if($row=pg_fetch_object($result))
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if($row = $this->db_fetch_object())
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{
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if($row->anzahl>0)
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{
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return true;
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}
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else
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{
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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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@@ -325,7 +329,7 @@ class lvinfo
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* @param $target ID der Lehrveranstaltung zu der die LV-Info kopiert werden soll
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* @return true wenn ok, false wenn Fehler
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*/
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function copy($source, $target)
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public function copy($source, $target)
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{
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if(!is_numeric($source) || $source=='')
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{
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@@ -347,7 +351,7 @@ class lvinfo
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lehrinhalte, methodik, voraussetzungen, unterlagen, pruefungsordnung, anmerkung, kurzbeschreibung, genehmigt,
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aktiv, updateamum, updatevon, insertamum, insertvon FROM campus.tbl_lvinfo WHERE lehrveranstaltung_id=$source";
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if(pg_query($this->conn, $qry))
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if($this->db_query($qry))
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{
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return true;
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}
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