private void HandleConnectionStateChanged(object sender, ConnectionStateChangedEventArgs e) { string clientState = e.IsConnected ? "подключен" : "отключен"; string message = $"{e.Client} {clientState}."; if (e.IsConnected) { var chatHistory = _txtMsgService.GetClientMessages(e.Client); var clients = _clientService.GetClients(); var groups = _groupService.GetGroups(e.Client); _wsServer.Send(String.Empty, e.Client, new ChatHistoryResponse(chatHistory).GetContainer()); _wsServer.Send(String.Empty, e.Client, new ClientsListResponse(clients).GetContainer()); _wsServer.Send(String.Empty, e.Client, new GroupsListResponse(groups).GetContainer()); } _clientEventService.AddClientEvent(MessageType.Event, message, e.Date); Console.WriteLine($"{message}"); _wsServer.Send(e.Client, String.Empty, new MessageBroadcast(e.Client, String.Empty, clientState, DateTime.Now, String.Empty).GetContainer()); }