Modules/RemoteCourse/classes/class.ilObjRemoteCourse.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 ilObjRemoteCourse extends ilObject
{
        const ACTIVATION_OFFLINE = 0;
        const ACTIVATION_UNLIMITED = 1;
        const ACTIVATION_LIMITED = 2;
        
        protected $availability_type;
        protected $end;
        protected $start;
        protected $local_information;

        public function __construct($a_id = 0,$a_call_by_reference = true)
        {
                global $ilDB;
                
                $this->type = "rcrs";
                $this->ilObject($a_id,$a_call_by_reference);
                $this->db = $ilDB;
        }
        
        public static function _lookupOnline($a_obj_id)
        {
                global $ilDB;
                
                $query = "SELECT * FROM remote_course_settings ".
                        "WHERE obj_id = ".$ilDB->quote($a_obj_id)." ";
                $res = $ilDB->query($query);
                $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
                switch($row->availability_type)
                {
                        case self::ACTIVATION_UNLIMITED:
                                return true;
                                
                        case self::ACTIVATION_OFFLINE:
                                return false;
                                
                        case self::ACTIVATION_LIMITED:
                                return time() > $row->start && time < $row->end;
                                
                        default:
                                return false;
                }
                
                return false;
        }
        
        public function getLocalInformation()
        {
                return $this->local_information;
        }
        
        public function setLocalInformation($a_info)
        {
                $this->local_information = $a_info;
        }
        
        public function setAvailabilityType($a_type)
        {
                $this->availability_type = $a_type;
        }
        
        public function getAvailabilityType()
        {
                return $this->availability_type;
        }
        
        public function setStartingTime($a_time)
        {
                $this->start = $a_time;
        }
        
        public function getStartingTime()
        {
                return $this->start;
        }

        public function setEndingTime($a_time)
        {
                $this->end = $a_time;
        }
        
        public function getEndingTime()
        {
                return $this->end;
        }

        public function update()
        {
                global $ilDB;
                
                if (!parent::update())
                {                       
                        return false;
                }
                
                $query = "REPLACE INTO remote_course_settings ".
                        "SET availability_type = ".$this->db->quote($this->getAvailabilityType()).", ".
                        "start = ".$this->db->quote($this->getStartingTime()).", ".
                        "end = ".$this->db->quote($this->getEndingTime()).", ".
                        "local_information = ".$this->db->quote($this->getLocalInformation()).", ".
                        "obj_id = ".$this->db->quote($this->getId())." ";
                $this->db->query($query);
                return true;
        }
        
        public function delete()
        {
                if(!parent::delete())
                {
                        return false;
                }
                
                //put here your module specific stuff
                
                return true;
        }
        
        public function read($a_force_db = false)
        {
                parent::read($a_force_db);

                $query = "SELECT * FROM remote_course_settings ".
                        "WHERE obj_id = ".$this->db->quote($this->getId())." ";
                $res = $this->db->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->setLocalInformation($row->local_information);
                        $this->setAvailabilityType($row->availability_type);
                        $this->setStartingTime($row->start);
                        $this->setEndingTime($row->end);
                }
        }
}
?>