public function startDate()
 {
     $start_date = $this->milestone->getStartDate();
     if (!$start_date) {
         return null;
     }
     return $this->formatDate($start_date);
 }
 public function __construct(Planning_Milestone $milestone, $redirect_to_self, PFUser $user, array $quick_link_collection)
 {
     $this->id = $milestone->getArtifactId();
     $this->planning_id = $milestone->getPlanningId();
     $this->milestone_title = $milestone->getArtifact()->getTitle();
     $this->milestone_start_date = $milestone->getStartDate();
     $this->milestone_end_date = $milestone->getEndDate();
     $this->milestone_status = $milestone->getArtifact()->getStatus();
     $this->edit_submilestone_url = $milestone->getArtifact()->getUri();
     $this->redirect_to_self = $redirect_to_self;
     $this->milestone_capacity = $milestone->getCapacity();
     $this->quick_link_collection = $quick_link_collection;
 }
 public function milestone_start_date()
 {
     return date('d M', $this->milestone->getStartDate());
 }