public void HandleCommand(ICommands cmd)
        {
            switch (cmd)
            {
            case CreateOrder co:
                CreateOrder  command = (CreateOrder)cmd;
                CustomerName cust    = CustomerName.CustomerNameFactory(command.firstName, command.lastName, "hyderabad");
                Order        o       = new Order(command.Orderid, cust, command.Orderdate, command.OrderItems);
                _repo.NewOrder(o);
                List <IEvents> events = o.GetChanges().ToList();
                foreach (var e in events)
                {
                    _sender.SendMessage(e);
                }

                break;

            default:
                break;
            }
        }