private void OnConnectionStateChanged(object sender, ConnectionStateChangedEventArgs e)
{
string userState = e.IsConnected ? "connected." : "disconnected.";
string message = $"{e.Username} {userState}.";
if (e.IsConnected)
{
var messageHistory = _requestHander.GetGroupMessages(e.Username);
var users = _requestHander.GetUsers();
var groups = _requestHander.GetGroups(e.Username);
_wsServer.Send(String.Empty, e.Username, new MessageHistoryResponse(messageHistory).GetContainer());
_wsServer.Send(String.Empty, e.Username, new UserListResponse(users).GetContainer());
_wsServer.Send(String.Empty, e.Username, new GroupListResponse(groups).GetContainer());
}
_requestHander.AddEvent(EventType.Event, message, e.Date);
Console.WriteLine($"{DateTime.Now} - {message}");
_wsServer.Send(e.Username, String.Empty, new MessageBroadcast(e.Username, String.Empty, userState, String.Empty, DateTime.Now).GetContainer());
}
