public void it_can_be_identified_by_an_id_as_a_guid(Guid accountId)
{
var sut = new Account(new AccountId(accountId), CustomerId.Create(), Money.PoundSterling(100));
((Guid)sut.Id).Should().Be(accountId);
sut.Id.Value.Should().Be(accountId);
}
public IActionResult Get(int customerId)
{
var custId = CustomerId.Create(customerId);
var cust = _dao.GetById(custId);
var dto = DtoConverter.CustomerToDto(cust);
return(Ok(dto));
}
/// <summary>
/// Convert a DbCustomer into a domain Customer
/// </summary>
public static Customer FromDbCustomer(DbCustomer sqlCustomer)
{
if (sqlCustomer == null)
{
return(null);
}
var id = CustomerId.Create(sqlCustomer.Id);
var name = PersonalName.Create(sqlCustomer.FirstName, sqlCustomer.LastName);
var email = EmailAddress.Create(sqlCustomer.Email);
var cust = Customer.Create(id, name, email);
return(cust);
}
/// <summary>
/// Create a domain customer from a DTO or null if not valid.
/// </summary>
public static Customer DtoToCustomer(CustomerDto dto)
{
if (dto == null)
{
// dto can be null if deserialization fails
return(null);
}
var id = CustomerId.Create(dto.Id);
var name = PersonalName.Create(dto.FirstName, dto.LastName);
var email = EmailAddress.Create(dto.Email);
var cust = Customer.Create(id, name, email);
return(cust);
}
public IActionResult GetWithErrorHandling(int customerId)
{
Log("GetWithErrorHandling {0}", customerId);
// first create the customer id
// it might be null, so handle that case
var custId = CustomerId.Create(customerId);
if (custId == null)
{
Log("CustomerId is not valid");
return(BadRequest("CustomerId is not valid"));
}
try
{
// look up the customer in the database
// it might be null, so handle that case
var cust = _dao.GetById(custId);
if (cust == null)
{
Log("Customer not found");
return(NotFound());
}
// this should always succeed
var dto = DtoConverter.CustomerToDto(cust);
// return
return(Ok(dto));
}
catch (Exception ex)
{
// handle database errors
var errMsg = $"Exception: {ex.Message}";
Log("Exception: {0}", ex.Message);
return(new ContentResult {
Content = errMsg, StatusCode = 500
});
}
}
public void it_raises_a_validation_error_when_the_initial_balance_is_negative()
{
Action openAccount = () => Account.Open(CustomerId.Create(), Money.PoundSterling(-100));
openAccount.Should().Throw <BusinessRuleValidationException>().WithMessage("Account Balance can't be negative");
}
public void it_can_return_the_balance(Guid accountId, decimal balance)
{
var sut = new Account(new AccountId(accountId), CustomerId.Create(), Money.PoundSterling(balance));
sut.Balance.Should().Be(balance);
}