/**
  * Remove the specified resource from storage.
  *
  * @param  int $id
  *
  * @return \Illuminate\Http\Response
  */
 public function destroy(int $id)
 {
     Cart::destroy(['user_id' => Auth::user()->id, 'product_id' => $id]);
     return back();
 }
 public function removeFromCart(Request $request)
 {
     $item = $request->input('product');
     $customer_id = \Session::get('cart_id');
     \App\Cart::destroy($item);
     if (\App\Cart::where('customer_id', $customer_id)->first()) {
         return redirect()->back();
     }
     return $this->emptyCart();
 }