public function getLessonTimesForUsers($interval = array())
 {
     $usersTimes = array();
     $timesReport = new EfrontTimes($interval);
     $result = $timesReport->getLessonSessionTimesForUsers($this->lesson['id']);
     foreach ($result as $value) {
         $usersTimes[$value['users_LOGIN']] = $timesReport->formatTimeForReporting($value['time']);
     }
     return $usersTimes;
 }