public async Task <PaymentViewPostOutput> PostPayment(PaymentViewPost paymentViewPost) { Fee fee = _feeRepository.GetFeeByPortion(paymentViewPost.NumberOfPortions); CheckingAccount sourceAccount = await _checkingAccountRepository.GetAccountById(paymentViewPost.SourceAccountId); CheckingAccount destinationAccount = await _checkingAccountRepository.GetAccountById(paymentViewPost.DestinationAccountId); paymentViewPost.Amount = paymentViewPost.Amount * ((100 + fee.Value) / 100); var portion = paymentViewPost.Amount / fee.NumberOfPortions; if (sourceAccount.Balance < portion) { return(null); } sourceAccount.Balance = sourceAccount.Balance - portion; destinationAccount.Balance = destinationAccount.Balance + portion; var payment = new Payment(paymentViewPost); for (int i = 0; i < fee.NumberOfPortions; i++) { _entryRepository.InsertEntry(new Installment(portion, DateTime.Now.AddMonths(i), InstallmentTypeEnum.DEBIT.ToString(), paymentViewPost.SourceAccountId)); _entryRepository.InsertEntry(new Installment(portion, DateTime.Now.AddMonths(i), InstallmentTypeEnum.CREDIT.ToString(), paymentViewPost.DestinationAccountId)); } _paymentRepository.InsertPayment(payment); _checkingAccountRepository.Save(); return(new PaymentViewPostOutput(paymentViewPost.Amount, sourceAccount.Balance, destinationAccount.Balance)); }
public async Task PostPaymentAmountTest() { var manager = new PaymentManager(_checkingAccountRepository, _paymentRepository, _feeRepository, _entryRepository); Payment payment = new Payment(); payment.SourceAccountId = 1; payment.DestinationAccountId = 2; payment.Amount = 100; payment.NumberOfInstallments = 1; var value = payment.Amount * (100 + _feeRepository.GetFeeByPortion(payment.NumberOfInstallments).Value) / 100; var result = await manager.PostPayment(new PaymentViewPost(payment)); Assert.AreEqual(value, result.NetValue); Assert.AreEqual(103.79, result.NetValue); }