public static List <CartItem> GetCartItems(long memberId)
{
var cart = GetShoppingCart(memberId);
//会员折扣
var discount = MemberApplication.GetMemberDiscount(memberId);
var skuIds = cart.Items.Select(p => p.SkuId).ToList();
var skus = GetService <IProductService>().GetSKUs(skuIds);
var products = GetService <IProductService>().GetProducts(skus.Select(p => p.ProductId).ToList());
var shops = GetService <IShopService>().GetShops(products.Select(p => p.ShopId).ToList());
var types = TypeApplication.GetTypes();
//限时购活动
var limitProducts = LimitTimeApplication.GetPriceByProducrIds(products.Select(p => p.Id).ToList());
//阶梯价商品
var allLadders = GetService <IProductLadderPriceService>().GetLadderPricesByProductIds(products.Where(p => p.IsOpenLadder).Select(p => p.Id).ToList());
var result = new List <CartItem>();
foreach (var item in cart.Items)
{
var sku = skus.FirstOrDefault(p => p.Id == item.SkuId);
var product = products.FirstOrDefault(p => p.Id == item.ProductId);
if (product == null)
{
continue; //忽略异常数据
}
var shop = shops.FirstOrDefault(p => p.Id == product.ShopId);
var type = types.FirstOrDefault(p => p.Id == product.TypeId);
if (sku == null || shop == null)
{
continue; //忽略异常数据
}
#region 价格覆盖
var minMach = 0;
//阶梯价格
if (product.IsOpenLadder)
{
var ladders = allLadders.Where(p => p.ProductId == item.ProductId).ToList();
var quantity = cart.Items.Where(c => c.ProductId == item.ProductId && c.ShopBranchId == 0).ToList().Sum(c => c.Quantity);
sku.SalePrice = ProductManagerApplication.GetProductLadderPrice(ladders, quantity);
minMach = ladders.Min(p => p.MinBath);
}
var price = -1M;//其他价格
//限时购价格
var limit = limitProducts.FirstOrDefault(p => p.ProductId == item.ProductId);
if (limit != null)
{
price = limit.MinPrice;
}
//会员折扣
if (price < 0 && shop.IsSelf)
{
price = sku.SalePrice * discount;
}
if (price >= 0)
{
sku.SalePrice = price;
}
#endregion
//填充SKU别名
ProductManagerApplication.FillSkuAlias(sku, product, type);
//是否限时购
var isLimit = limit != null;
result.Add(new CartItem
{
ItemId = item.Id,
Quantity = item.Quantity,
AddTime = item.AddTime,
Product = product,
Shop = shop,
Sku = sku,
ShowStatus = isLimit ? 1 : ProductManagerApplication.GetProductShowStatus(product, sku.Map <DTO.SKU>(), 1),
LimitId = isLimit?limit.Id:0, //参与限时购活动ID
IsLimit = isLimit, //是否参加限时购
MinMach = minMach,
});
}
return(result);
}