public override async Task OnConnectedAsync()
{
var sender = Context.UserIdentifier;
// Push the latest session information to the user.
var userSessions = await _sessionHandler.GetLatestSessionsAsync(sender);
// Send to latest session list to user.
await Clients.Caller.SendAsync("updateSessions", userSessions);
var onConnectedMessage = sender + " joined the chat room";
var message = new Message("Public", DateTime.Now, onConnectedMessage, "Sent");
var sequenceId = await _messageHandler.AddNewMessageAsync("Public", message);
await Clients.All.SendAsync("displayUserMessage", "Public", sequenceId, "Public", onConnectedMessage);
await base.OnConnectedAsync();
}
