/**
  * Remove the specified resource from storage.
  *
  * @param  int $id
  *
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $category = Category::with('products')->find($id);
     if ($category && $category->products->isEmpty()) {
         if ($category->delete()) {
             return response()->json(true);
         }
     }
     return response()->json('informatia nu s-a putut sterge', 500);
 }