class.ilECSParticipantSettings.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 ilECSParticipantSettings
{
        private static $instances = null;

        private $export = array();
        private $import = array();
        private $export_type = array();
        
        private function __construct($a_server_id)
        {
                $this->server_id = $a_server_id;
                $this->read();
        }
        
        public static function _getInstance()
        {
                $GLOBALS['ilLog']->write(__METHOD__.': Using deprecated call');
                $GLOBALS['ilLog']->logStack();
                return self::getInstanceByServerId(15);
        }

        public static function getInstanceByServerId($a_server_id)
        {
                if(isset(self::$instances[$a_server_id]))
                {
                        return self::$instances[$a_server_id];
                }
                return self::$instances[$a_server_id] = new ilECSParticipantSettings($a_server_id);
        }
        
        public static function getAvailabeMids($a_server_id)
        {
                global $ilDB;
                
                $query = 'SELECT mid FROM ecs_part_settings '.
                                'WHERE sid = '.$ilDB->quote($a_server_id,'integer');
                $res = $ilDB->query($query);
                
                $mids = array();
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $mids[] = $row->mid;
                }
                return $mids;
        }
        

        public static function getExportableParticipants($a_type)
        {
                global $ilDB;

                $query = 'SELECT sid,mid,export_types FROM ecs_part_settings ep '.
                        'JOIN ecs_server es ON ep.sid = es.server_id '.
                        'WHERE export = '.$ilDB->quote(1,'integer').' '.
                        'AND active = '.$ilDB->quote(1,'integer').' '.
                        'ORDER BY cname,es.title';
                
                $res = $ilDB->query($query);
                $mids = array();
                $counter = 0;
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        if(in_array($a_type, (array) unserialize($row->export_types)))
                        {
                                $mids[$counter]['sid'] = $row->sid;
                                $mids[$counter]['mid'] = $row->mid;
                                $counter++;
                        }
                }
                return $mids;
        }

        public static function getExportServers()
        {
                global $ilDB;

                $query = 'SELECT DISTINCT(sid) FROM ecs_part_settings  ep '.
                        'JOIN ecs_server es ON ep.sid = es.server_id '.
                        'WHERE export = '.$ilDB->quote(1,'integer').' '.
                        'AND active = '.$ilDB->quote(1,'integer').' ';
                $res = $ilDB->query($query);
                $sids = array();
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $sids[] = $row->sid;
                }
                return $sids;
        }

        public static function deleteByServer($a_server_id)
        {
                global $ilDB;

                $query = 'DELETE from ecs_part_settings '.
                        'WHERE sid = '.$ilDB->quote($a_server_id,'integer');
                $ilDB->manipulate($query);
        }
        
        public static function loookupCmsMid($a_server_id)
        {
                global $ilDB;
                
                include_once './Services/WebServices/ECS/classes/class.ilECSParticipantSetting.php';
                
                $query = 'SELECT mid FROM ecs_part_settings '.
                                'WHERE sid = '.$ilDB->quote($a_server_id,'integer').' '.
                                'AND import_type = '.$ilDB->quote(ilECSParticipantSetting::IMPORT_CMS);
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        return $row->mid;
                }
                return 0;
        }

        public function getServerId()
        {
                return $this->server_id;
        }


        public function read()
        {
                global $ilDB;

                $query = 'SELECT * FROM ecs_part_settings '.
                        'WHERE sid = '.$ilDB->quote($this->getServerId(),'integer').' ';
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $this->export[$row->mid] = $row->export;
                        $this->import[$row->mid] = $row->import;
                        $this->import_type[$row->mid] = $row->import_type;
                        $this->export_types[$row->mid] = (array) unserialize($row->export_types);
                        $this->import_types[$row->mid] = (array) unserialize($row->import_types);
                }
                return true;
        }

        public function isImportAllowed(array $a_mids)
        {
                foreach($a_mids as $mid)
                {
                        if($this->import[$mid])
                        {
                                return true;
                        }
                }
                return false;
        }

        public function getEnabledParticipants()
        {
                $ret = array();
                foreach($this->export as $mid => $enabled)
                {
                        if($enabled)
                        {
                                $ret[] = $mid;
                        }
                }
                return $ret;
                #return $this->enabled ? $this->enabled : array();
        }
        
        public function isEnabled($a_mid)
        {
                return $this->export[$a_mid] ? true : false;
        }
        
        public function setEnabledParticipants($a_parts)
        {
                $this->enabled = (array) $a_parts;
        }
}
?>