public Task SendMessageToUser(Message message)
{
var reciever = Users.FirstOrDefault(x => x.UserId == message.Receiver);
var connectionId = reciever == null ? "no one recive this message" : reciever.ConnectionId;
_service.AddSync(message);
return(Clients.Client(connectionId).SendAsync("ReceiveDM", Context.ConnectionId, message));
}
