public void Add(string sku)
{
var product = productRepository.GetBySku(sku);
if (product == null)
{
return;
}
// if product is first of its type in the shopping list, refresh the ProductDiscounts to include any for this new product
// currently brings all, neeeds to pass array of distinct SKU's so as not to include discounts that are not needed
if (!shoppingList.Any(x => x.Product.SKU == sku))
{
productDiscounts = productDiscountRepository.GetBySkus();
}
var id = 1;
if (shoppingList.Count > 0)
{
id = shoppingList.Max(x => x.Id) + 1;
}
shoppingList.Add(new ShoppingListItem
{
Id = id,
Product = product
});
ApplyDiscounts();
}
