public async Task <ActionResult <int> > CheckMultOpenOrders(int id)
{
var order = await _repo.SelectByCustId(id);
if (order == null)
{
return(0);
}
var multOrder = await _repo.SelectMultByCustId(id, order.Id);
if (multOrder is null)
{
return(1);
}
else
{
return(2);
}
}
