public IActionResult Address(AddressInputModel address) { if (!ModelState.IsValid) { return(View()); } var userId = _signInManager.IsSignedIn(User) ? int.Parse(User.FindFirst("CustomerId").Value) : 10; var order = _orderService.GetActiveOrder(userId); order = _orderService.AddAddressesToOrder(address, order); TempData["order"] = JsonConvert.SerializeObject(order); return(RedirectToAction("ReviewPage")); }