public ActionResult RequestToRent(int id, decimal Price = 0) { var userMoney = _rentService.GetUserByLogin(User.Identity.Name).SumMoney; if (userMoney < Price) { return(HttpNotFound()); } if (!_rentService.CheckedIsTakenProductByProductId(id)) { return(HttpNotFound()); } //Если нельзя снять то выдаем ошибку, а не 404 if (!_rentService.WriteOffMoneyFromUserByLogin(Price, User.Identity.Name)) { return(HttpNotFound()); } var takenProduct = new TakenProduct { ProductId = id, UserId = _rentService.GetUserByLogin(User.Identity.Name).Id, Cost = Price, }; _rentService.CreateTakenProduct(takenProduct); return(RedirectToAction("RequestedAd")); }