class.ilLearningProgressAccess.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 ilLearningProgressAccess
{
        public static function checkAccess($a_ref_id, $a_allow_only_read = true)
        {
                global $ilUser,$ilAccess;
                
                if($ilUser->getId() == ANONYMOUS_USER_ID)
                {
                        return false;
                }
 
                include_once("Services/Tracking/classes/class.ilObjUserTracking.php");
                if(!ilObjUserTracking::_enabledLearningProgress())
                {
                        return false;
                }
 
                if($ilAccess->checkAccess('read_learning_progress','',$a_ref_id) ||
                        $ilAccess->checkAccess('edit_learning_progress','',$a_ref_id))
                {
                        return true;
                }
                
                if(!ilObjUserTracking::_hasLearningProgressLearner())
                {
                        return false;                   
                }
                
                include_once './Services/Object/classes/class.ilObjectLP.php';
                $olp = ilObjectLP::getInstance(ilObject::_lookupObjId($a_ref_id));
                if(!$olp->isActive())
                {
                        return false;
                }
                
                if(!$ilAccess->checkAccess('read','',$a_ref_id))
                {
                        return false;
                }
                
                if($a_allow_only_read)
                {
                        return true;
                }
                
                return false;
        }
}
?>