using drinkMe.Server.Services.Interfaces; using drinkMe.Shared; using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; namespace drinkMe.Server.Services { public class PaymentService : IPaymentService { public async Task Pay(PurchaseCart purchaseCart) { if (!purchaseCart.IsPayedWithCash && (purchaseCart.CreditCardNumber is { Length: 0 } || purchaseCart.CreditCardExpirationYear is { Length: 0 } || purchaseCart.CreditCardExpirationMonth is { Length: 0 } || purchaseCart.CreditCardCVVCode is { Length: 0 })) return false; if (purchaseCart.PurchasingItems.Count == 0) return false; //completing the purchase return true; } } }