public void RemoveOrderItem(OrderItemIdentity orderItemId)
{
if (orderItemId == null)
{
throw new DomainException("Order item id cannot be null");
}
var orderItem = _orderItems.FirstOrDefault(e => e.Id == orderItemId);
if (orderItem == null)
{
throw new DomainException($"Order detail {orderItemId} does not exist in the order");
}
_orderItems.Remove(orderItem);
}
public void UpdateOrderItem(OrderItemIdentity orderItemId, ProductIdentity productId, decimal unitPrice, int quantity)
{
if (orderItemId == null)
{
throw new DomainException("Order item id cannot be null");
}
var orderItem = _orderItems.FirstOrDefault(e => e.Id == orderItemId);
if (orderItem == null)
{
throw new DomainException($"Order item {orderItemId} does not exist in the order");
}
orderItem.ProductId = productId;
orderItem.UnitPrice = unitPrice;
orderItem.Quantity = quantity;
}