public ShoppingCartItem AddItem(ShoppingCart cart, Product product, ProductVariant productPrice, int quantity)
{
Require.NotNull(cart, "cart");
Require.NotNull(product, "product");
Require.NotNull(productPrice, "productPrice");
Require.That(quantity > 0, "quantity", "Quantity should be greater than zero.");
var item = cart.Items.FirstOrDefault(i => i.ProductVariant.Id == productPrice.Id);
if (item == null)
{
item = new ShoppingCartItem(productPrice, quantity, cart);
AddItem(cart, item);
}
else
{
ChangeItemQuantity(cart, item, item.Quantity + quantity);
}
return item;
}
private void UpdateProduct(Product product, ProductEditorModel model)
{
product.Name = model.Name;
product.Brand = model.Brand == null ? null : _brandService.Find(model.Brand.Id);
product.Categories.Clear();
foreach (var category in model.Categories)
{
product.Categories.Add(_categoryService.Find(category.Id));
}
product.SetCustomFields(model.CustomFields);
product.SetImages(model.Images);
foreach (var variant in product.Variants.ToList())
{
if (!model.Variants.Any(v => v.Id == variant.Id))
{
product.Variants.Remove(variant);
}
}
foreach (var variantModel in model.Variants)
{
ProductVariant variant;
if (variantModel.Id > 0)
{
variant = product.Variants.FirstOrDefault(v => v.Id == variantModel.Id);
}
else
{
variant = new ProductVariant();
product.Variants.Add(variant);
}
variant.Sku = variantModel.Sku;
variant.Price = variantModel.Price;
variant.SetVariantFields(variantModel.VariantFields);
}
}
public ShoppingCartItem(ProductVariant variant, int quantity, ShoppingCart cart)
{
ProductVariant = variant;
Quantity = quantity;
ShoppingCart = cart;
}
public PriceCalculationItem AddItem(int itemId, ProductVariant productPrice, int quantity)
{
var retailPrice = GetFinalUnitPrice(productPrice.ProductId, productPrice.Id, productPrice.Price);
var item = new PriceCalculationItem(itemId, productPrice.ProductId, productPrice.Id, retailPrice, quantity);
Items.Add(item);
return item;
}