public async Task <IReadOnlyList <Participant> > Handle(FetchSubscribedParticipantsRequest request,
CancellationToken cancellationToken)
{
var(conferenceId, synchronizedObjectId) = request;
var subscriptions = await _subscriptionsRepository.GetOfConference(conferenceId);
return(ConferenceSubscriptionHelper.GetParticipantIdsSubscribedTo(subscriptions, synchronizedObjectId)
.Select(id => new Participant(conferenceId, id)).ToList());
}
public async Task Handle(ParticipantSubscriptionsUpdatedNotification notification,
CancellationToken cancellationToken)
{
var((conferenceId, _), removedSubscriptions, _) = notification;
if (!removedSubscriptions.Any())
{
return;
}
var conferenceSubscriptions = await _subscriptionsRepository.GetOfConference(conferenceId);
var activeSyncObjects = conferenceSubscriptions.SelectMany(x => x.Value ?? ImmutableList <string> .Empty)
.ToHashSet();
var inactiveSyncObjects = removedSubscriptions.Select(x => x.ToString()).Except(activeSyncObjects);
foreach (var inactiveSubscription in inactiveSyncObjects)
{
await _synchronizedObjectRepository.Remove(conferenceId, inactiveSubscription);
}
}