classes/class.ilUserDefinedData.php

Go to the documentation of this file.

<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

class ilUserDefinedData
{
        var $db = null;
        var $user_data = array();
        var $usr_id = null;

        function ilUserDefinedData($a_usr_id)
        {
                global $ilDB;

                $this->db =& $ilDB;
                $this->usr_id = $a_usr_id;

                $this->__read();
        }

        function getUserId()
        {
                return $this->usr_id;
        }

        function set($a_field,$a_value)
        {
                $this->user_data[$a_field] = $a_value;
        }
        function get($a_field)
        {
                return isset($this->user_data[$a_field]) ? $this->user_data[$a_field] : '';
        }

        function update()
        {
                include_once 'classes/class.ilUserDefinedFields.php';
                $udf_obj =& ilUserDefinedFields::_getInstance();

                $sql = '';

                foreach($udf_obj->getDefinitions() as $definition)
                {
                        $sql .= ("`".$definition['field_id']."` = '".$this->get($definition['field_id'])."', ");
                }

                $query = "REPLACE INTO usr_defined_data ".
                        "SET ".$sql." ".
                        "usr_id = '".$this->getUserId()."'";
                $this->db->query($query);
                return true;
        }

        function toXML()
        {
                include_once 'classes/class.ilXmlWriter.php';
                $xml_writer = new ilXmlWriter();
                
                $this->addToXML ($xml_writer);

                return $xml_writer->xmlDumpMem(false);
        }
        
        function addToXML($xml_writer) 
        {
                include_once 'classes/class.ilUserDefinedFields.php';
                $udf_obj =& ilUserDefinedFields::_getInstance();

                foreach($udf_obj->getDefinitions() as $definition)
                {
                        $xml_writer->xmlElement('UserDefinedField',
                                                                        array('Id' => $definition['il_id'],
                                                                                  'Name' => $definition['field_name']),
                                                                        $this->user_data["$definition[field_id]"]);
                }               
        }

        // Private
        function __read()
        {
                $this->user_data = array();
                $query = "SELECT * FROM usr_defined_data ".
                        "WHERE usr_id = '".$this->usr_id."'";
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_ASSOC))
                {
                        foreach($row as $field => $data)
                        {
                                if($field != 'usr_id')
                                {
                                        $this->user_data[$field] = $data;
                                }
                        }
                }
        }

}
?>