public string OnFailure_non_async(int customerId, decimal moneyAmount)
{
var paymentGateway = new PaymentGateway();
var database = new Database();
return(GetById(customerId)
.ToResult("Customer with such Id is not found: " + customerId)
.Tap(customer => customer.AddBalance(moneyAmount))
.Check(customer => paymentGateway.ChargePayment(customer, moneyAmount))
.Bind(
customer => database.Save(customer)
.OnFailure(() => paymentGateway.RollbackLastTransaction()))
.Finally(result => result.IsSuccess ? "OK" : result.Error));
}
public async Task <string> OnFailure_async(int customerId, decimal moneyAmount)
{
var paymentGateway = new PaymentGateway();
var database = new Database();
return(await GetById(customerId)
.ToResult("Customer with such Id is not found: " + customerId)
.OnSuccess(customer => customer.AddBalance(moneyAmount))
.OnSuccess(customer => paymentGateway.ChargePayment(customer, moneyAmount).Map(() => customer))
.OnSuccess(
customer => database.Save(customer)
.OnFailure(() => paymentGateway.RollbackLastTransactionAsync()))
.OnBoth(result => result.IsSuccess ? "OK" : result.Error));
}
private void TakeMoney(decimal amount)
{
string error = _atm.CanTakeMoney(amount);
if (error != string.Empty)
{
NotifyClient(error);
}
decimal amountWithCommision = _atm.CalculateAmountWithCommision(amount);
_paymentGateway.ChargePayment(amountWithCommision);
_atm.TakeMoney(amount);
_repository.Save(_atm);
NotifyClient("You have taken " + amount.ToString("C2"));
}
private void TakeMoney(decimal amount)
{
string error = _atm.CanTakeMoney(amount);
if (error != string.Empty)
{
NotifyClient(error);
return;
}
decimal amountWithCommission = _atm.CalculateAmountWithComission(amount);
_paymentGateway.ChargePayment(amountWithCommission);
_atm.TakeMoney(amount);
_repository.Save(_atm);
//HeadOffice headOffice = GetHeadOfficeInstance();
//headOffice.Balance += amountWithCommission;
//_officeRepository.Save(headOffice);
NotifyClient("You have taken " + amount.ToString("C2"));
}
