private void Update(string userId, Action <UserAR> updateAction)
{
var snapshot = _snapshotRepository.Load(userId);
var startVersion = snapshot == null ? 0 : snapshot.StreamVersion + 1;
var stream = _eventStore.OpenStream(userId, startVersion, int.MaxValue);
var user = new UserAR(snapshot, stream);
updateAction(user);
var originalVersion = stream.GetVersion();
_eventStore.AppendToStream(userId, originalVersion, user.Changes);
var newVersion = originalVersion + 1;
if (newVersion % SnapshotInterval == 0)
{
_snapshotRepository.Save(new Snapshot(userId, newVersion, user.State));
}
}
public void Handle(User_CreateCommand message)
{
var user = new UserAR(message.UserId, message.Name, message.Password);
_eventStore.AppendToStream(message.UserId, 0, user.Changes);
}
