public async Task <Unit> Handle(SetParticipantRoomRequest request, CancellationToken cancellationToken)
{
var(conferenceId, assignments) = request;
var changedRooms = new Dictionary <Participant, ParticipantRoomChangeInfo>();
foreach (var(participantId, roomId) in assignments)
{
var participant = new Participant(conferenceId, participantId);
_logger.LogDebug("Switch participant {participant} to room {roomId}", participant, roomId);
string?previousRoomId;
try
{
previousRoomId = await _roomRepository.SetParticipantRoom(participant, roomId);
}
catch (ConcurrencyException)
{
_logger.LogWarning("Concurrency exception occurred, continue");
continue;
}
changedRooms[participant] = ParticipantRoomChangeInfo.Switched(previousRoomId, roomId);
}
if (changedRooms.Any())
{
await _mediator.Send(new UpdateSynchronizedObjectRequest(conferenceId, SynchronizedRooms.SyncObjId));
await _mediator.Publish(new ParticipantsRoomChangedNotification(conferenceId, changedRooms));
}
return(Unit.Value);
}
