/// <summary>
/// Adding another item to the cart (may be one there already - dont know)
/// </summary>
/// <param name="productId"></param>
/// <param name="qty"></param>
public void AddToInvoice(Product product, int qty)
{
bool foundInvoiceItem = false;
int productId = product.ProductId;
foreach (InvoiceItem x in _invoiceItems)
{
if (x.ProductId == productId)
{
x.Quantity += qty;
if (x.Quantity <= 0)
{
RemoveProduct(productId);
}
foundInvoiceItem = true;
break;
}
}
if (!foundInvoiceItem && qty > 0)
{
InvoiceItem invItem = new InvoiceItem(this.InvoiceId, product, qty);
_invoiceItems.Add(invItem);
}
}
public InvoiceItem(string invoiceId, Product product, int quantity)
{
this.InvoiceId = invoiceId;
this.InvoiceItemProduct = product;
this.Quantity = quantity;
}