public CartItemAdded(ShoppingCart cart, ShoppingCartItem item)
{
CartId = cart.Id;
ItemId = item.Id;
ProductId = item.ProductVariant.ProductId;
ProductPriceId = item.ProductVariant.Id;
Quantity = item.Quantity;
}
public CartItemQuantityChanged(ShoppingCart cart, ShoppingCartItem item, int oldQuantity)
{
CartId = cart.Id;
ItemId = item.Id;
ProductId = item.ProductVariant.ProductId;
ProductPriceId = item.ProductVariant.Id;
OldQuantity = oldQuantity;
NewQuantity = item.Quantity;
}
public void AddItem(ShoppingCart cart, ShoppingCartItem item)
{
Require.NotNull(cart, "cart");
Require.NotNull(item, "item");
cart.Items.Add(item);
_repository.Database.SaveChanges();
Event.Raise(new CartItemAdded(cart, item), _instance);
}
public static OrderItem CreateFrom(ShoppingCartItem cartItem, decimal finalUnitPrice)
{
return new OrderItem
{
ProductVariantId = cartItem.ProductVariant.Id,
ProductVariant = cartItem.ProductVariant,
Sku = cartItem.ProductVariant.Sku,
UnitPrice = finalUnitPrice,
Quantity = cartItem.Quantity
};
}
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;
}
public void ChangeItemQuantity(ShoppingCart cart, ShoppingCartItem item, int newQuantity)
{
Require.NotNull(cart, "cart");
Require.NotNull(item, "item");
Require.That(newQuantity > 0, "newQuantity", "Quantity should be greater than zero.");
if (item.Quantity != newQuantity)
{
var oldQuantity = item.Quantity;
item.Quantity = newQuantity;
_repository.Database.SaveChanges();
Event.Raise(new CartItemQuantityChanged(cart, item, oldQuantity), _instance);
}
}
