class.ilCalendarRecurrenceExclusion.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. |
        +-----------------------------------------------------------------------------+
*/

include_once('./Services/Calendar/classes/class.ilDateList.php');
include_once('./Services/Calendar/classes/class.ilTimeZone.php');
include_once('./Services/Calendar/classes/class.ilCalendarUtil.php');
include_once './Services/Calendar/classes/class.ilCalendarEntry.php';

class ilCalendarRecurrenceExclusion
{
        protected $exclusion = null;
        protected $cal_id = 0;
        protected $exclusion_id = 0;
        
        protected $db = null;
        
        public function __construct($a_exclusion_id = 0)
        {
                global $ilDB;
                
                $this->db = $ilDB;
                $this->exclusion_id = $a_exclusion_id;
                
                if($this->getId())
                {
                        $this->read();
                }
        }

        
        public function getId()
        {
                return $this->exclusion_id;
        }
        
        public function getEntryId()
        {
                return $this->cal_id;
        }
        
        public function setEntryId($a_id)
        {
                $this->cal_id = $a_id;
        }
        
        public function getDate()
        {
                return $this->exclusion instanceof ilDate ? $this->exclusion : null; 
        }
        
        public function setDate(ilDate $dt = NULL)
        {
                $this->exclusion = $dt;
        }
        
        public function toICal()
        {
                $entry = new ilCalendarEntry($this->getEntryId());
                $start = $entry->getStart();

                if($entry->isFullday())
                {
                        return 'EXDATE;VALUE=DATE:'.$this->getDate()->get(IL_CAL_FKT_DATE,'Ymd');
                }
                else
                {
                        return 'EXDATE:'.
                                $this->getDate()->get(IL_CAL_FKT_DATE, 'Ymd',  ilTimeZone::UTC).
                                'T'.$start->get(IL_CAL_FKT_DATE,'His',  ilTimeZone::UTC).'Z';
                }
        }
        
        public function save()
        {
                global $ilDB;
                
                if(!$this->getDate())
                {
                        return false;
                }
                
                $query = "INSERT INTO cal_rec_exclusion (excl_id,cal_id,excl_date) ".
                        "VALUES( ".
                        $ilDB->quote($next_id = $ilDB->nextId('cal_rec_exclusion'),'integer').', '.
                        $ilDB->quote($this->getEntryId(),'integer').', '.
                        $ilDB->quote($this->getDate()->get(IL_CAL_DATE,'','UTC'),'timestamp').
                        ')';
                $ilDB->manipulate($query);
                
                $this->exclusion_id = $next_id;
                return $this->getId();
        }
        
        protected function read()
        {
                global $ilDB;
                
                $query = "SELECT * FROM cal_rec_exclusion WHERE excl_id = ".$ilDB->quote($this->getId(),'integer');
                $res = $ilDB->query($query);
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $this->cal_id = $row->cal_id;
                        $this->setDate(new ilDate($row->excl_date,IL_CAL_DATE,'UTC'));  
                }
        }
}
?>