public async Task <Unit> Handle(CloseConferenceRequest request, CancellationToken cancellationToken) { var conferenceId = request.ConferenceId; _logger.LogDebug("Attempt to close conference {conferenceId}", conferenceId); if (await _openConferenceRepository.Delete(conferenceId)) { await _mediator.Publish(new ConferenceClosedNotification(conferenceId)); await _mediator.Publish(new FinalizeConferenceCleanupNotification(conferenceId)); _logger.LogDebug("Conference was closed successfully"); } else { _logger.LogDebug("Conference was already closed"); } return(Unit.Value); }