public bool DeleteOrder(int orderId)
{
//delete all order detail first
var listOrderDetails = _orderDetailsRepository.GetByOrder(orderId);
foreach (var item in listOrderDetails)
{
_orderDetailsRepository.Delete(item);
}
_orderDetailsRepository.Save();
//delete order
var order = _orderRepository.Get(orderId);
_orderRepository.Delete(order);
return(_orderRepository.Save());
}