/**
  * @param Make $make
  *
  * @return $this
  */
 public function setMake(Make $make)
 {
     $this->make = $make;
     $this->make_id = $make->getId();
     return $this;
 }
 public function saveModelMeta($post_id, $post)
 {
     if ($post->post_type != Model::CUSTOM_POST_TYPE) {
         return;
     }
     if (isset($_REQUEST['make_id'])) {
         $make_id = $_REQUEST['make_id'];
         if (strlen($make_id) == 0) {
             if (strlen($_REQUEST['make']) > 0) {
                 $make = new Make();
                 $make->setTitle($_REQUEST['make'])->create();
                 $make_id = $make->getId();
             }
         }
         if (strlen($make_id) > 0) {
             update_post_meta($post_id, 'make_id', $make_id);
         }
     }
 }