save() public method

public save ( $data, $product = null )
 /**
  * @param UpdateProductRequest $request
  * @param $publicId
  * @return \Illuminate\Http\Response
  */
 public function update(UpdateProductRequest $request, $publicId)
 {
     if ($request->action) {
         return $this->handleAction($request);
     }
     $data = $request->input();
     $data['public_id'] = $publicId;
     $product = $this->productRepo->save($data, $request->entity());
     return $this->itemResponse($product);
 }