public async Task Save(AggregateRoot aggregate)
{
var uncommittedChanges = aggregate.GetUncommittedChanges();
var version = aggregate.Version;
foreach (var @event in uncommittedChanges)
{
version++;
if (version > 2)
{
if (version % 3 == 0)
{
var originator = (IOriginator)aggregate;
var memento = originator.GetMemento();
memento.Version = version;
await SaveMemento(memento).ConfigureAwait(false);
}
}
@event.Version = version;
aggregate.Version = version;
if (version == 0)
{
var ag = await _aggregateRepository.Create(_aggregateMapper.ToProviderEntity(aggregate)).ConfigureAwait(false);
@event.AggregateId = ag.Id;
}
else
{
var aggregateRoots = await _aggregateRepository.FindByAsync(x => x.Id == aggregate.Id).ConfigureAwait(false);
var aggregateRoot = aggregateRoots.FirstOrDefault();
if (aggregateRoot == null)
{
throw new NullReferenceException();
}
aggregateRoot.Version = version;
await _aggregateRepository.Update(aggregateRoot).ConfigureAwait(false);
}
await _eventRepository.Create(_eventMapper.ToProviderEntity(@event)).ConfigureAwait(false);
}
foreach (var @event in uncommittedChanges)
{
var desEvent = Converter.ChangeTo(@event, @event.GetType());
await _eventBus.Publish(desEvent).ConfigureAwait(false);
}
}
public async void UserCategoryCreateCommandStoresAggregateRootInEventStore()
{
//Arrange
var catName = "Test Category 345";
var command = new UserCategoryCreateCommand(catName);
//Act
await _commandBus.Send(command);
var agg = (await _aggregateRepository.FindByAsync(x => x.Id == 1)).FirstOrDefault();
//Assert
Assert.IsNotNull(agg);
Assert.AreEqual(0, agg.Version);
}
