public int UpdateLineItem(int lineId, OrderLineItemDO lineItem)
{
var item = db.OrderLineItems.FirstOrDefault(l => l.LineId == lineId);
item.Product = lineItem.Product;
// Get the difference in quantity of the item already present and new item
int difference = lineItem.Quantity - item.Quantity;
// Check if we have enough products
int reduceResult = UpdateProductQuantity(difference, lineItem.Product.ProductId);
if (reduceResult < 0)
{
return(reduceResult);
}
item.Quantity = lineItem.Quantity;
item.Total = lineItem.Total;
db.OrderLineItems.Update(item);
// Update Product Quantity
var updatedOrder = db.Orders.FirstOrDefault(o => o.OrderId == item.OrderId);
updatedOrder.Total = GetLineItemsForOrder(item.OrderId).Sum(l => l.Total);
// Ensure that the same product orders are aggregated
UpdateOrder(updatedOrder);
db.SaveChanges();
return(item.OrderId);
}
public int UpdateLineItem(OrderLineItemDO lineItem)
{
db.Update(lineItem);
db.SaveChanges();
return(lineItem.OrderId);
}