}
$where_condition .= " AND u.user_id = " . api_get_user_id();
$result = get_work_user_list($start, $limit, $sidx, $sord, $work_id, $where_condition);
break;
case 'get_exercise_results':
$course = api_get_course_info();
//used inside get_exam_results_data()
$documentPath = api_get_path(SYS_COURSE_PATH) . $course['path'] . "/document";
if ($is_allowedToEdit) {
$columns = array('firstname', 'lastname', 'username', 'group_name', 'exe_duration', 'start_date', 'exe_date', 'score', 'status', 'lp', 'actions');
}
$result = ExerciseLib::get_exam_results_data($start, $limit, $sidx, $sord, $exercise_id, $where_condition);
break;
case 'get_admin_exercise_results':
$columns = array('username', 'firstname', 'lastname', 'score', 'link', 'session');
$result = ExerciseLib::get_admin_exam_results_data($start, $limit, $sidx, $sord, $where_condition);
break;
case 'get_hotpotatoes_exercise_results':
$course = api_get_course_info();
//used inside get_exam_results_data()
$documentPath = api_get_path(SYS_COURSE_PATH) . $course['path'] . "/document";
$columns = array('firstname', 'lastname', 'username', 'group_name', 'exe_date', 'score', 'actions');
$result = ExerciseLib::get_exam_results_hotpotatoes_data($start, $limit, $sidx, $sord, $hotpot_path, $where_condition);
//get_exam_results_data($start, $limit, $sidx, $sord, $exercise_id, $where_condition);
break;
case 'get_sessions':
$session_columns = SessionManager::get_session_columns($list_type);
$columns = $session_columns['simple_column_name'];
if ($list_type == 'simple') {
$result = SessionManager::get_sessions_admin(array('where' => $where_condition, 'order' => "{$sidx} {$sord}", 'extra' => $extra_fields, 'limit' => "{$start} , {$limit}"), false);
} else {
