/**
  * @param Ticket    $ticket
  * @param \DateTime $date
  *
  * @return string
  */
 public function getStateByDate(Ticket $ticket, \DateTime $date)
 {
     $status = $ticket->getStatus();
     $time = null;
     foreach ($ticket->getActivities() as $activity) {
         if ($activity->getAction() != 'UserChangeStateIssue') {
             continue;
         }
         $activityDate = $activity->getCreated()->getTimestamp();
         if ((is_null($time) || $time > $activityDate) && $date->getTimestamp() > $activityDate) {
             $status = $activity->getValue();
         }
     }
     return $status;
 }