public static List <ProductBrowsedHistoryModel> GetBrowsingProducts(int num, long userId = 0) { List <ProductBrowsedHistoryModel> productIdList = new List <ProductBrowsedHistoryModel>(); string productIds = Core.Helper.WebHelper.GetCookie(CookieKeysCollection.Mall_PRODUCT_BROWSING_HISTORY); if (!string.IsNullOrEmpty(productIds)) { var arr = productIds.Split(','); foreach (var a in arr) { var item = a.Split('#'); if (item.Length > 1) { productIdList.Add(new ProductBrowsedHistoryModel() { ProductId = long.Parse(item[0]), BrowseTime = DateTime.Parse(item[1]) }); } else { productIdList.Add(new ProductBrowsedHistoryModel() { ProductId = long.Parse(item[0]), BrowseTime = DateTime.Now }); } } } var ids = productIdList.Select(p => p.ProductId).ToList(); List <FlashSalePrice> flashSaleList = LimitTimeApplication.GetPriceByProducrIds(ids); List <ProductBrowsedHistoryModel> model = new List <ProductBrowsedHistoryModel>(); if (userId == 0) { var products = ProductManagerApplication.GetProductByIds(productIdList.Select(a => a.ProductId)) .Where(d => d.SaleStatus == Entities.ProductInfo.ProductSaleStatus.OnSale && d.AuditStatus == Entities.ProductInfo.ProductAuditStatus.Audited).ToArray() .Select(a => new ProductBrowsedHistoryModel() { ImagePath = Core.MallIO.GetProductSizeImage(a.RelativePath, 1, (int)ImageSize.Size_100), ProductId = a.Id, ProductName = a.ProductName, ProductPrice = GetRealPrice(flashSaleList, a.Id, a.MinSalePrice), ShopId = a.ShopId }).ToList(); return(products.OrderByDescending(a => a.BrowseTime).ToList()); } else { foreach (var m in productIdList) { AddBrowsingProduct(m.ProductId, userId); } var browsing = ProductManagerApplication.GetBrowsingProducts(userId); var products = ProductManagerApplication.GetOnSaleProducts(browsing.Select(p => p.ProductId).ToList()); browsing = browsing.Where(p => products.Select(o => o.Id).Contains(p.ProductId)).ToList(); model = browsing.OrderByDescending(a => a.BrowseTime).Take(num) .Select(a => { var product = products.FirstOrDefault(p => p.Id == a.ProductId); return(new ProductBrowsedHistoryModel() { ImagePath = Core.MallIO.GetProductSizeImage(product.RelativePath, 1, (int)ImageSize.Size_100), ProductId = a.ProductId, ProductName = product.ProductName, ProductPrice = GetRealPrice(flashSaleList, a.ProductId, product.MinSalePrice), BrowseTime = a.BrowseTime, ShopId = product.ShopId }); }).ToList(); } return(model); }