/**
  * Send feedback file notification to user
  */
 function sendFeedbackFileNotification($a_feedback_file, $a_user_id, $a_ass_id)
 {
     $user_ids = $a_user_id;
     if (!is_array($user_ids)) {
         $user_ids = array($user_ids);
     }
     include_once "./Modules/Exercise/classes/class.ilExerciseMailNotification.php";
     $not = new ilExerciseMailNotification();
     $not->setType(ilExerciseMailNotification::TYPE_FEEDBACK_FILE_ADDED);
     $not->setAssignmentId($a_ass_id);
     $not->setRefId($this->getRefId());
     $not->setRecipients($user_ids);
     $not->send();
 }
 /**
  * Send submission notifications
  * @param	int	$assignment_id
  */
 protected function sendNotifications($assignment_id)
 {
     include_once "./Services/Notification/classes/class.ilNotification.php";
     $users = ilNotification::getNotificationsForObject(ilNotification::TYPE_EXERCISE_SUBMISSION, $this->object->getId());
     include_once "./Modules/Exercise/classes/class.ilExerciseMailNotification.php";
     $not = new ilExerciseMailNotification();
     $not->setType(ilExerciseMailNotification::TYPE_SUBMISSION_UPLOAD);
     $not->setAssignmentId($assignment_id);
     $not->setRefId($this->ref_id);
     $not->setRecipients($users);
     $not->send();
 }
 /**
  * Send feedback file notification to user
  */
 function sendFeedbackFileNotification($a_feedback_file, $a_user_id, $a_ass_id, $a_is_text_feedback = false)
 {
     $user_ids = $a_user_id;
     if (!is_array($user_ids)) {
         $user_ids = array($user_ids);
     }
     include_once "./Modules/Exercise/classes/class.ilExerciseMailNotification.php";
     $type = (bool) $a_is_text_feedback ? ilExerciseMailNotification::TYPE_FEEDBACK_TEXT_ADDED : ilExerciseMailNotification::TYPE_FEEDBACK_FILE_ADDED;
     $not = new ilExerciseMailNotification();
     $not->setType($type);
     $not->setAssignmentId($a_ass_id);
     $not->setObjId($this->getId());
     if ($this->getRefId() > 0) {
         $not->setRefId($this->getRefId());
     }
     $not->setRecipients($user_ids);
     $not->send();
 }