/**
  * Action to get the relation field options of the provided model
  * @param \ride\web\cms\orm\FieldService $fieldService
  * @param string $model Name of the model
  * @return null
  */
 public function relationFieldsAction(FieldService $fieldService, $model)
 {
     if ($model) {
         $fields = $fieldService->getFields($model, true, true, 1);
     } else {
         $fields = array();
     }
     $this->setJsonView(array('fields' => $fields));
 }