class.ilExportUserSettings.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 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 ilExportUserSettings
{
        private $db;
        private $user_id;
        private $obj_id;
        private $settings = array();
        
        public function __construct($a_user_id,$a_obj_id)
        {
                global $ilDB;
                
                $this->user_id = $a_user_id;
                $this->obj_id = $a_obj_id;
                $this->db = $ilDB;
                
                $this->read();
        }
        
        public static function _delete($a_usr_id)
        {
                global $ilDB;
                
                $query = "DELETE FROM member_export_settings WHERE user_id = ".$ilDB->quote($a_usr_id);
                $ilDB->query($query);
                return true;
        }
        
        public function set($a_data)
        {
                $this->settings = $a_data;
        }
        
        public function enabled($a_option)
        {
                if(array_key_exists($a_option,(array) $this->settings) and $this->settings[$a_option])
                {
                        return true;
                }
                return false;
        }
        
        public function getOrderedExportableFields()
        {
                include_once('Services/PrivacySecurity/classes/class.ilPrivacySettings.php');
                include_once('Services/PrivacySecurity/classes/class.ilExportFieldsInfo.php');
                include_once('Modules/Course/classes/Export/class.ilCourseDefinedFieldDefinition.php');
                include_once('Services/User/classes/class.ilUserDefinedFields.php');

                $field_info = ilExportFieldsInfo::_getInstanceByType(ilObject::_lookupType($this->obj_id));

                $fields[] = 'role';
                // Append agreement info
                $privacy = ilPrivacySettings::_getInstance();
                if($privacy->courseConfirmationRequired() or ilCourseDefinedFieldDefinition::_hasFields($this->obj_id))
                {
                        $fields[] = 'agreement';
                }

                foreach($field_info->getExportableFields() as $field)
                {
                        if($this->enabled($field))
                        {
                                $fields[] = $field; 
                        }
                }
                
                $udf = ilUserDefinedFields::_getInstance();
                foreach($udf->getCourseExportableFields() as $field_id => $udf_data)
                {
                        $fields[] = 'udf_'.$field_id;
                }
                
                // Add course specific fields
                foreach(ilCourseDefinedFieldDefinition::_getFields($this->obj_id) as $field_obj)
                {
                        if($this->enabled('cdf_'.$field_obj->getId()))
                        {
                                $fields[] = 'cdf_'.$field_obj->getId();
                        }
                }               
                return $fields ? $fields : array();
        }
        
        public function store()
        {
                global $ilDB;
                
                $query = "DELETE FROM member_usr_settings WHERE user_id = ".$this->db->quote($this->user_id ,'integer');
                $res = $ilDB->manipulate($query);
                
                $query = "INSERT INTO member_usr_settings (user_id,settings) ".
                "VALUES( ".
                $this->db->quote($this->user_id ,'integer').", ".
                $ilDB->quote(serialize($this->settings) ,'text')." ".
                ")";
                $res = $ilDB->manipulate($query);
                $this->read();
        }
        
        private function read()
        {
                $query = "SELECT * FROM member_usr_settings WHERE user_id = ".$this->db->quote($this->user_id ,'integer');
                $res = $this->db->query($query);
                
                $this->settings = array();
                if($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->settings = unserialize($row->settings);
                }
                return true;
        }
}

?>