public XDocument GetProductsInXML(IShopControllerResult model, long shopId, string languageCode)
        {
            var schemeId = GetDefaultProductClassificationScheme(shopId).ProductClassificationSchemeId;
            var products = _shopRepository.GetAllProducts(shopId, languageCode);
            var categories = _shopRepository.GetAllCategories(shopId, languageCode);
            var rollups = _shopRepository.GetProductCategoryIdsFromCurrentTree(schemeId);
            categories = categories.Where(x => rollups.Contains(x.ProductCategoryId)).ToList();
            var categoriesIds = categories.Select(x => x.ProductCategoryId).ToList();
            var classifications = _shopRepository.GeAllClassifications(shopId);
            classifications = classifications.Where(x => categoriesIds.Contains(x.ProductCategoryId)).ToList();
            var classificationsIds = classifications.Select(x => x.BaseProductId).ToList();
            var productOnDemandIds = _shopRepository.GetProductIdsForAttribute(model.Shop.PriceOnDemandAttributeId);
            products = products.Where(x => classificationsIds.Contains(x.BaseProductId)).ToList();
            var productsBasicData = GenerateBasicProductDataModels(products);

            FillProductWithIsOnDemandFlag(productsBasicData, productOnDemandIds);
            FillProductsWithCategoryData(classifications, productsBasicData,categories);
            _shopRepository.FillProductsWithImages(productsBasicData);
            FillProductsWithAppropriateImagePath(model, productsBasicData);
            FillProductsWithUrls(model, productsBasicData);

            return new XDocument(new XDeclaration("1.0", "UTF-8", "yes"),
                                    new XElement("items", GetXElements(productsBasicData)));
        }