public RegistrationResponse RegisterNewCustomer_Error_Handling1(string name)
{
var customerNameResult = CustomerName.TryCreate(name);
if (customerNameResult.IsFailure)
{
return(RegistrationResponse.Fail(customerNameResult.Error));
}
var customer = new Customer(customerNameResult.Value);
var customerResult = _customerRepository.Save(customer);
if (customerResult.IsFailure)
{
return(RegistrationResponse.Fail(customerResult.Error));
}
var greetingResult = _mailService.SendGreeting(customerResult.Value);
if (greetingResult.IsFailure)
{
return(RegistrationResponse.Fail(greetingResult.Error));
}
return(RegistrationResponse.Success(greetingResult.Value));
}
public RegistrationResponse RegisterNewCustomer_Error_Handling2(string name)
{
var customerNameResult = CustomerName.TryCreate(name);
var result = customerNameResult
.OnSuccess(x => Result.Ok(new Customer(x)))
.OnSuccess(x => _customerRepository.Save(x))
.OnSuccess(x => _mailService.SendGreeting(x))
.OnBoth(x => x.IsSuccess
? RegistrationResponse.Success(x.Value)
: RegistrationResponse.Fail(x.Error));
return(result);
}