public Result <bool> Attach(byte[] streamId, long expiresAt = DefaultExpirationTimestamp)
{
var streamToAttach = new ActivityStream(streamId, expiresAt);
if (AttachedStreams.Add(streamToAttach))
{
return(Result.Success);
}
return(Result.Error("Stream is already attached"));
}
public Result <bool> Detach(byte[] streamId, DateTime detachedSince)
{
var streamToDetach = new ActivityStream(streamId);
var detachedStream = AttachedStreams.Where(x => ByteArrayHelper.Compare(x.StreamId, streamId)).SingleOrDefault() ?? ActivityStream.Empty;
if (IsEmpty(detachedStream))
{
return(Result.Error("No stream found to detach."));
}
if (detachedStream.HasExpiration)
{
return(Result.Error($"Stream is already detached since {DateTime.FromFileTimeUtc(ExpiresAt).ToShortDateString()}."));
}
detachedStream.ExpiresAt = detachedSince.ToFileTimeUtc();
return(Result.Success);
}
