public ShopCart GetShopCart(long userId)
{
ShopCart shopCart = ShopCartRepository.GetAll().Where(model => model.UserId == userId).FirstOrDefault();
if (shopCart == null)
{
shopCart = CreateShopCart(userId);
}
return(shopCart);
}
private ShopCart CreateShopCart(long userId)
{
ShopCart shopCart = new ShopCart()
{
UserId = userId
};
ShopCartRepository.Insert(shopCart);
CurrentUnitOfWork.SaveChanges();
return(shopCart);
}
public ShopCart AddItem(ShopCartItem shopCartItem)
{
var specification = SpecificationRepository.Get(shopCartItem.SpecificationId);
if (specification.Product.Type == ProductType.Virtual)
{
throw new UserFriendlyException(L("VirtualProductCannotAddToShopCart"));
}
ShopCart shopCart = GetShopCart(Session.UserId.Value);
ShopCartItem shopCartItemForCheck = ShopCartItemRepository.GetAll().Where(model => model.ShopCartId == shopCart.Id && model.SpecificationId == shopCartItem.SpecificationId).FirstOrDefault();
if (shopCartItemForCheck != null)
{
shopCartItemForCheck.Count += shopCartItem.Count;
}
else
{
shopCartItem.ShopCartId = shopCart.Id;
shopCart.ShopCartItems.Add(shopCartItem);
}
CurrentUnitOfWork.SaveChanges();
return(shopCart);
}