/**
  * Store a newly created resource in storage.
  *
  * @return Response
  */
 public function store(Request $request)
 {
     $product = new Product();
     $product->name = $request->input('name');
     $product->price = $request->input('price');
     $product->description = $request->input('description');
     $product->save();
     for ($i = 0; $i < $request->input('stock'); $i++) {
         $item = new ProductItem();
         $item->code = date('YmdHis') . '.' . $i;
         $item = $product->item()->save($item);
     }
 }