public Message AddMessage(string chatName, string text, string from)
{
if (text.Length > 150 || string.IsNullOrWhiteSpace(text))
{
throw new MessageInvalidException(text);
}
var chat = _chatRepo.GetChats().SingleOrDefault(c => c.Name == chatName);
var user = _userRepo.GetUsers().SingleOrDefault(c => c.Username == from);
if (chat == null)
{
return(null);
}
var message = new Message(user, text);
_chatRepo.AddMessage(chat, message);
if (!chat.Participants.Any(p => p.Username == from))
{
_chatRepo.AddParticipant(chat, user);
}
return(message);
}
public async Task <ChatParticipantDto> CreateParticipant(ChatParticipantDto participant)
{
var cParticipant = _mapper.Map <ChatParticipant>(participant);
bool result = await _repo.AddParticipant(cParticipant);
if (result)
{
return(_mapper.Map <ChatParticipantDto>(cParticipant));
}
return(null);
}