/**
  * @param Portfolio $portfolio
  * @param User      $user
  *
  * @return array
  */
 public function getUserGuidedPortfolioData(Portfolio $portfolio, User $user)
 {
     return array('type' => $user === $portfolio->getUser() ? 'owned' : 'guided', 'id' => $portfolio->getId(), 'title' => $portfolio->getTitle(), 'unreadComments' => $portfolio->getCountUnreadComments(), 'commentsViewAt' => $portfolio->getCommentsViewAt()->format(DATE_W3C));
 }