public async Task AddToGroupWithConditionAsync(string connectionId, string groupName)
{
if (State.Members.Count <= 4)
{
await _hubProxy.AddToGroupAsync(connectionId, groupName);
State.Members.Add(connectionId);
}
}
public async Task SendMessage(string user, string message)
{
if (user.StartsWith("A"))
{
await _hubProxy.AddToGroupAsync(Context.ConnectionId, "SpecialUsers");
}
await Clients.All.SendAsync("ReceiveMessage", user, message);
}