/**
  * Returns TRUE if the specified user has successfully completed the current event for a selected topic, FALSE otherwise
  * 
  * @param int $userID
  * @param int $topicID
  * @return boolean
  */
 public static function isCurrentEventCompleted($userID, $topicID)
 {
     return EventDatabaseManager::getCurrentEventStatus($userID, $topicID) == 'completed';
 }