class.ilLPStatusTestPassed.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 './Services/Tracking/classes/class.ilLPStatus.php';

class ilLPStatusTestPassed extends ilLPStatus
{

        function ilLPStatusTestPassed($a_obj_id)
        {
                global $ilDB;

                parent::ilLPStatus($a_obj_id);
                $this->db =& $ilDB;
        }

        function _getInProgress($a_obj_id)
        {
                global $ilDB;

                global $ilBench;
                $ilBench->start('LearningProgress','9182_LPStatusTestPassed_inProgress');


                include_once './Modules/Test/classes/class.ilObjTestAccess.php';

                $query = "SELECT DISTINCT(user_fi) FROM tst_active ".
                        "WHERE test_fi = '".ilObjTestAccess::_getTestIDFromObjectID($a_obj_id)."'";

                $res = $ilDB->query($query);
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $user_ids[] = $row->user_fi;
                }

                $users = array_diff((array) $user_ids,ilLPStatusWrapper::_getCompleted($a_obj_id));
                $users = array_diff((array) $users,ilLPStatusWrapper::_getFailed($a_obj_id));

                $ilBench->stop('LearningProgress','9182_LPStatusTestPassed_inProgress');
                return $users ? $users : array();
        }

        function _getCompleted($a_obj_id)
        {
                global $ilDB;

                global $ilBench;
                $ilBench->start('LearningProgress','9183_LPStatusTestPassed_completed');

                include_once './Modules/Test/classes/class.ilObjTestAccess.php';
                include_once './Services/Tracking/classes/class.ilTestResultCache.php';

                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                foreach($status_info['results'] as $user_data)
                {
                        if($user_data['passed'])
                        {
                                $user_ids[] = $user_data['user_id'];
                        }
                }
                $ilBench->stop('LearningProgress','9183_LPStatusTestPassed_completed');
                return $user_ids ? $user_ids : array();
        }

        function _getFailed($a_obj_id)
        {
                $status_info = ilLPStatusWrapper::_getStatusInfo($a_obj_id);
                foreach($status_info['results'] as $user_data)
                {
                        if($user_data['failed'])
                        {
                                $user_ids[] = $user_data['user_id'];
                        }
                }
                return $user_ids ? $user_ids : array();
        }

        function _getStatusInfo($a_obj_id)
        {
                include_once './Modules/Test/classes/class.ilObjTestAccess.php';
                $status_info['results'] = ilObjTestAccess::_getPassedUsers($a_obj_id);
                return $status_info;
        }
        
        function determineStatus($a_obj_id, $a_user_id, $a_obj = null)
        {
                global $ilObjDataCache, $ilDB, $ilLog;
                
                $status = LP_STATUS_NOT_ATTEMPTED_NUM;
                
                include_once './Modules/Test/classes/class.ilObjTestAccess.php';

                $res = $ilDB->query("SELECT tries FROM tst_active".
                        " WHERE user_fi = ".$ilDB->quote($a_user_id, "integer").
                        " AND test_fi = ".$ilDB->quote(ilObjTestAccess::_getTestIDFromObjectID($a_obj_id)));
                
                if ($rec = $ilDB->fetchAssoc($res))
                {
                        include_once './Modules/Test/classes/class.ilObjTestAccess.php';
                        if (ilObjTestAccess::_isPassed($a_user_id, $a_obj_id))
                        {
                                $status = LP_STATUS_COMPLETED_NUM;
                        }
                        else
                        {
                                $status = LP_STATUS_FAILED_NUM;
                        }
                        
                }
                
                return $status;         
        }

        function determinePercentage($a_obj_id, $a_user_id, $a_obj = null)
        {
                global $ilDB;
                
                $set = $ilDB->query("SELECT tst_result_cache.*, tst_active.user_fi FROM ".
                                         "tst_result_cache JOIN tst_active ON (tst_active.active_id = tst_result_cache.active_fi)".
                                         " JOIN tst_tests ON (tst_tests.test_id = tst_active.test_fi) ".
                                         " WHERE tst_tests.obj_fi = ".$ilDB->quote($a_obj_id, "integer").
                                         " AND tst_active.user_fi = ".$ilDB->quote($a_user_id, "integer"));
                $per = 0;
                if ($rec = $ilDB->fetchAssoc($set))
                {       
                        if ($rec["max_points"] > 0)
                        {
                                $per = min(100, 100 / $rec["max_points"] * $rec["reached_points"]);
                        }
                        else
                        {
                                $per = 100;
                        }
                }
                return (int) $per;
        }


}       
?>