Métodos Frequentes
Métodos Frequentes
Métodos Frequentes
Métodos Frequentes
public bool BuyProduct(int productId) { double productPrice = productRepository.GetProductPriceByKey(productId); if (payment.IsValid() && payment.IsEnough(productPrice)) { productRepository.DecreaseProductQuantity(productId); payment.Pay(productPrice); dataStorage.PersistData(GetProducts()); transactionService.AddTransition("BUY", productId); return(true); } return(false); }