public async Task <SuccessOrError <Unit> > Handle(SendChatMessageRequest request,
CancellationToken cancellationToken)
{
var(participant, _, channel, _) = request;
var conferenceId = participant.ConferenceId;
var message = await BuildChatMessage(request);
var channelId = ChannelSerializer.Encode(channel);
var messagesCount =
await _chatRepository.AddChatMessageAndGetMessageCount(conferenceId, channelId.ToString(), message);
var subscribedParticipants =
await _mediator.Send(new FetchSubscribedParticipantsRequest(conferenceId, channelId));
if (channel is PrivateChatChannel privateChatChannel)
{
subscribedParticipants = await UpdateParticipantsSubscriptionsIfNecessary(subscribedParticipants,
privateChatChannel, participant.ConferenceId);
}
await _mediator.Publish(new ChatMessageReceivedNotification(conferenceId, subscribedParticipants, message,
channel, messagesCount));
await _mediator.Send(new SetParticipantTypingRequest(participant, channel, false));
return(Unit.Value);
}
