public static function activityToStatus(ActivityData $activity, $isTermUser = false)
 {
     $result = array('created_at' => $activity->getCreatedAt(), 'id' => $activity->getId(), 'text' => $activity->getBody());
     if ($isTermUser) {
         $result['user'] = array('id' => $activity->getMemberId());
     } else {
         $result['user'] = self::memberToUser($activity->getMember());
     }
     return $result;
 }