course/classes/Timings/class.ilTimingCache.php

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<?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. |
        +-----------------------------------------------------------------------------+
*/


include_once 'course/classes/class.ilCourseItems.php';
include_once 'course/classes/Timings/class.ilTimingPlaned.php';

class ilTimingCache
{
        function &_getTimings($a_ref_id)
        {
                static $cache = array();

                if(isset($cache[$a_ref_id]))
                {
                        return $cache[$a_ref_id];
                }
                $cache[$a_ref_id]['item'] = ilCourseItems::_getItem($a_ref_id);
                $cache[$a_ref_id]['user'] = ilTimingPlaned::_getPlanedTimingsByItem($a_ref_id);

                return $cache[$a_ref_id];
        }
                
        function _showWarning($a_ref_id,$a_usr_id)
        {
                include_once './Services/Tracking/classes/class.ilLPCollectionCache.php';
                include_once './Services/Tracking/classes/class.ilLPStatusWrapper.php';

                global $ilObjDataCache;
                $obj_id = $ilObjDataCache->lookupObjId($a_ref_id);

                // if completed no warning
                if(in_array($a_usr_id,ilLPStatusWrapper::_getCompleted($obj_id)))
                {
                        return false;
                }
                // if editing time reached => show warning
                $timings =& ilTimingCache::_getTimings($a_ref_id);
                if($timings['item']['timing_type'] == IL_CRS_TIMINGS_PRESETTING)
                {
                        if($timings['item']['changeable'] and $timings['user'][$a_usr_id]['end'])
                        {
                                $end = $timings['user'][$a_usr_id]['end'];
                        }
                        else
                        {
                                $end = $timings['item']['suggestion_end'];
                        }
                        if($end < time())
                        {
                                return true;
                        }
                }
                // No check subitems
                foreach(ilLPCollectionCache::_getItems($obj_id) as $item)
                {
                        if(ilTimingCache::_showWarning($item,$a_usr_id))
                        {
                                return true;
                        }
                }
                // Really ???
                return false;
        }                       
}
?>