class.ilLPStatusSCORMPackage.php

Go to the documentation of this file.

<?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 './Services/Tracking/classes/class.ilLPStatus.php';
 
class ilLPStatusSCORMPackage extends ilLPStatus
{
    public function __construct($a_obj_id)
    {
        global $ilDB;
 
        parent::__construct($a_obj_id);
        $this->db = $ilDB;
    }
 
    public static function _getInProgress($a_obj_id)
    {
        $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
        $users = $status_info['in_progress'];
        return array_unique($users);
    }
 
    public static function _getCompleted($a_obj_id)
    {
        $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
        $users = $status_info['completed'];
        return array_unique($users);
    }
 
    public static function _getFailed($a_obj_id)
    {
        $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
        $users = $status_info['failed'];
        return array_unique($users);
    }
 
    
    public static function _getStatusInfo($a_obj_id)
    {
        include_once './Modules/Scorm2004/classes/class.ilSCORM2004Tracking.php';
        $status_info['subtype'] = "scorm2004";
        $info = ilSCORM2004Tracking::_getProgressInfo($a_obj_id);
 
        $status_info['completed'] = $info['completed'];
        $status_info['failed'] = $info['failed'];
        $status_info['in_progress'] = $info['in_progress'];
 
        return $status_info;
    }
    
    public function determineStatus($a_obj_id, $a_user_id, $a_obj = null)
    {
        global $ilObjDataCache, $ilDB, $ilLog;
        
        include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Tracking.php");
        $scorm_status = ilSCORM2004Tracking::_getProgressInfoOfUser($a_obj_id, $a_user_id);
        $status = self::LP_STATUS_NOT_ATTEMPTED_NUM;
        switch ($scorm_status) {
            case "in_progress":
                $status = self::LP_STATUS_IN_PROGRESS_NUM;
                break;
            case "completed":
                $status = self::LP_STATUS_COMPLETED_NUM;
                break;
            case "failed":
                $status = self::LP_STATUS_FAILED_NUM;
                break;
        }
 
        return $status;
    }
 
    public function refreshStatus($a_obj_id, $a_users = null)
    {
        parent::refreshStatus($a_obj_id, $a_users);
        
        include_once("./Services/Tracking/classes/class.ilLPStatusWrapper.php");
        $in_progress = ilLPStatusWrapper::_getInProgress($a_obj_id);
        $completed = ilLPStatusWrapper::_getCompleted($a_obj_id);
        $failed = ilLPStatusWrapper::_getFailed($a_obj_id);
        $all_active_users = array_unique(array_merge($in_progress, $completed, $failed));
        
        // get all tracked users regardless of SCOs
        include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Tracking.php");
        $all_tracked_users = ilSCORM2004Tracking::_getTrackedUsers($a_obj_id);
        
        $not_attempted_users = array_diff($all_tracked_users, $all_active_users);
        unset($all_tracked_users);
        unset($all_active_users);
        
        // reset all users which have no data for the current SCOs
        if ($not_attempted_users) {
            foreach ($not_attempted_users as $usr_id) {
                // this will update any (parent) collections if necessary
                ilLPStatus::writeStatus($a_obj_id, $usr_id, self::LP_STATUS_NOT_ATTEMPTED_NUM, 0);
            }
        }
    }
    public function determinePercentage($a_obj_id, $a_user_id, $a_obj = null)
    {
        return null;//todo!
    }
}