public void Handle(UserRegistrationStarted e)
{
// Registration succeeds only if no other user has the same login name.
var status = _querySearch
.UserExists(u => u.LoginName == e.Name && u.UserIdentifier != e.AggregateIdentifier)
? "Failed" : "Succeeded";
_commander.Send(new CompleteUserRegistration(e.AggregateIdentifier, status));
}
private void describe_HandleAsync_UserRegistrationProcessCreated()
{
var userRegistrationProcessCreated = new UserRegistrationStarted(
_userId,
UserRegistrationFormMother.JohnDow());
context["when user registration process is in Created state"] = () =>
{
before = () =>
{
var process = UserRegistrationProcessMother.InCreatedState(_userId);
_userRegistrationProcessRepository.SaveAsync(process).Wait();
};
context["and user-by-email index accepts email"] = () =>
{
before = () =>
{
_userByEmailIndex.SetResult(IndexResult.EmailAccepted);
_sut.HandleAsync(userRegistrationProcessCreated).Wait();
};
it["saves EmailAccepted event"] =
() => _eventStore.LastSavedEvents.Single().should_cast_to <EmailAccepted>();
it["is idempotent"] = () =>
{
_sut.HandleAsync(userRegistrationProcessCreated).Wait();
_eventStore.LastSavedEvents.should_be_empty();
};
};
context["and user-by-email index rejects email"] = () =>
{
before = () =>
{
_userByEmailIndex.SetResult(IndexResult.EmailRejected);
_sut.HandleAsync(userRegistrationProcessCreated)
.Wait();
};
it["saves UserRegistrationFailed event"] = () =>
_eventStore.LastSavedEvents.Single().should_cast_to <UserRegistrationFailed>();
it["is idempotent"] = () =>
{
_sut.HandleAsync(userRegistrationProcessCreated).Wait();
_eventStore.LastSavedEvents.should_be_empty();
};
};
};
}
public async Task HandleAsync(UserRegistrationStarted @event)
{
var indexResult = await _userByEmailIndex.AddAsync(@event.Form.Email, @event.UserId);
var process = await GetProcessOrExceptionAsync(@event.UserId);
switch (indexResult)
{
case IndexResult.EmailAccepted:
process.HandleEmailAccepted();
break;
case IndexResult.EmailRejected:
process.HandleEmailRejected();
break;
default:
throw new ArgumentOutOfRangeException();
}
await _userRegistrationProcessRepository.SaveAsync(process);
}
public void Handle(UserRegistrationStarted c)
{
_store.InsertUser(c.AggregateIdentifier, c.Name, c.Password, "Started");
}
