public async Task <SaveResult> SaveAsync(UserRegistrationProcess process)
{
if (process == null)
{
throw new ArgumentNullException(nameof(process));
}
var eventsData = process.GetPendingEvents().Select(_eventSerializer.ToEventData);
try
{
await _connection.AppendToStreamAsync(
StreamBy(process.UserId),
process.Version == 0
?ExpectedVersion.NoStream
: process.Version - 1,
eventsData);
return(SaveResult.Success);
}
catch (WrongExpectedVersionException)
{
return(SaveResult.WrongExpextedVersion);
}
}
public Task <Option <UserRegistrationProcess> > GetAsync(Guid userId)
{
var streamId = StreamBy(userId);
var events = _eventStoreStub.GetByStreamId(streamId);
var result = new UserRegistrationProcess(events);
return(Task.FromResult(result.Some()));
}
public Task <SaveResult> SaveAsync(UserRegistrationProcess process)
{
var streamId = StreamBy(process.UserId);
var result = _eventStoreStub.Save(
streamId,
process.GetPendingEvents(),
process.Version);
return(Task.FromResult(result));
}
public async Task <Guid> StartRegistrationAsync(UserRegistrationForm registrationForm)
{
if (registrationForm == null)
{
throw new ArgumentNullException(nameof(registrationForm));
}
var userRegistrationProcess = new UserRegistrationProcess(registrationForm);
await _userRegistrationProcessRepository.SaveAsync(userRegistrationProcess);
return(userRegistrationProcess.UserId);
}
