public async Task SendChatMessageAsync(ChatMessageDto chatMessageDto) { var chatMessageEntity = mapper.Map <ChatMessageEntity>(chatMessageDto); await chatMessageRepository.InsertAsync(chatMessageEntity); await gameRepository.AddMessageIdToGameAsync(chatMessageDto.GameId, chatMessageEntity.Id); var chatMessageToSendDto = mapper.Map <ChatMessageToSendDto>(chatMessageEntity); var sender = await userRepository.GetAsync(chatMessageDto.UserId); chatMessageToSendDto.UserName = sender.Login; var groupName = chatMessageDto.GameId.ToString(); await Clients.Group(groupName).SendAsync("SendChatMessage", chatMessageToSendDto); }