public async Task <Unit> Handle(TalkingStickPassRequest request, CancellationToken cancellationToken)
{
var(participant, roomId, failIfHasSpeaker) = request;
await using (await _repository.LockRoom(participant.ConferenceId, roomId))
{
await _mediator.Send(new ClearCacheRequest());
if (failIfHasSpeaker)
{
var currentSpeaker = await _repository.GetCurrentSpeaker(participant.ConferenceId, roomId);
if (currentSpeaker != null)
{
throw SceneError.AlreadyHasSpeaker.ToException();
}
}
if (!await CheckParticipantIsInRoom(participant, roomId))
{
throw new ParticipantNotFoundException(participant);
}
await _repository.SetCurrentSpeakerAndRemoveFromQueue(participant, roomId);
await _modeHandler.InvalidateTalkingSceneWithLockAcquired(participant.ConferenceId, roomId);
}
await _mediator.Send(new UpdateSynchronizedObjectRequest(participant.ConferenceId,
SynchronizedSceneTalkingStick.SyncObjId(roomId)));
return(Unit.Value);
}
private async ValueTask ElectNewCurrentSpeaker(string conferenceId, string roomId, SynchronizedRooms rooms,
TalkingStickMode mode)
{
if (mode == TalkingStickMode.Queue)
{
var nextSpeaker = await _repository.Dequeue(conferenceId, roomId);
if (nextSpeaker == null)
{
return;
}
if (!CheckParticipantIsInRoom(nextSpeaker.Value, roomId, rooms))
{
await ElectNewCurrentSpeaker(conferenceId, roomId, rooms, mode);
return;
}
await _repository.SetCurrentSpeakerAndRemoveFromQueue(nextSpeaker.Value, roomId);
}
}