/**
  * Update article
  *
  * PUT /api/generateArticleImages/{id}
  */
 public function putAction()
 {
     $id = $this->Request()->getParam('id');
     $useNumberAsId = (bool) $this->Request()->getParam('useNumberAsId', 0);
     if ($useNumberAsId) {
         $id = $this->resource->getIdFromNumber($id);
     }
     $this->resource->generateVariantImages($id);
     $this->View()->assign(array('success' => true));
 }