public void AddCartBeverage(int beverageId) { if (_beverage.ValidateIfBeverageExist(beverageId)) { _customer.Beverages.Add(_beverage.AddCartBeverage(beverageId)); GetCustomerAddedCart(_customer); Console.Write("\n Added to cart. Want to add more? [press y for yes/press any to cancel] "); var tryAgain = Console.ReadLine(); if (tryAgain == "y") { OrderBeverages(); } else { CalculateTheOrder(_customer.GetTotalAmount(_customer), _customer.GetAllBeveragePriceAdded(_customer)); } } else { Console.Write("\n Your order is not on the list: "); OrderBeverages(); } }