public function doUserLike(User $user, Restaurant $restaurant)
 {
     $likes = $this->app['repository.likes']->findByUser($user->getId());
     foreach ($likes as $like) {
         if ($like->getRestaurant() == $restaurant->getId()) {
             return true;
         }
     }
     return false;
 }
 /**
  * Deletes the user.
  *
  * @param User $user
  *
  * @return boolean
  */
 public function delete($user)
 {
     // If the user had an image, delete it.
     return $this->db->delete('users', array('id' => $user->getId()));
 }