/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     $product = $this->productRepository->productOfId($id);
     if (!$product) {
         return $this->respondNotFound('Product does not exist');
     }
     $this->productRepository->delete($product);
     return $this->respond(['data' => $this->transform($product)]);
 }