private void CreateFeed(FeedFileCreationContext fileCreation, TaskExecutionContext taskContext)
{
var xmlSettings = new XmlWriterSettings
{
Encoding = Encoding.UTF8,
CheckCharacters = false
};
using (var writer = XmlWriter.Create(fileCreation.Stream, xmlSettings))
{
try
{
fileCreation.Logger.Information("Log file - Google Merchant Center feed.");
var searchContext = new ProductSearchContext
{
OrderBy = ProductSortingEnum.CreatedOn,
PageSize = Settings.PageSize,
StoreId = fileCreation.Store.Id,
VisibleIndividuallyOnly = true
};
var currency = Helper.GetUsedCurrency(Settings.CurrencyId);
var measureWeightSystemKey = _measureService.GetMeasureWeightById(_measureSettings.BaseWeightId).SystemKeyword;
writer.WriteStartDocument();
writer.WriteStartElement("rss");
writer.WriteAttributeString("version", "2.0");
writer.WriteAttributeString("xmlns", "g", null, _googleNamespace);
writer.WriteStartElement("channel");
writer.WriteElementString("title", "{0} - Feed for Google Merchant Center".FormatWith(fileCreation.Store.Name));
writer.WriteElementString("link", "http://base.google.com/base/");
writer.WriteElementString("description", "Information about products");
for (int i = 0; i < 9999999; ++i)
{
searchContext.PageIndex = i;
// Perf
_dbContext.DetachAll();
var products = _productService.SearchProducts(searchContext);
if (fileCreation.TotalRecords == 0)
{
fileCreation.TotalRecords = products.TotalCount * fileCreation.StoreCount; // approx
}
foreach (var product in products)
{
fileCreation.Report();
if (product.ProductType == ProductType.SimpleProduct || product.ProductType == ProductType.BundledProduct)
{
WriteItem(fileCreation, writer, product, currency, measureWeightSystemKey);
}
else if (product.ProductType == ProductType.GroupedProduct)
{
var associatedSearchContext = new ProductSearchContext
{
OrderBy = ProductSortingEnum.CreatedOn,
PageSize = int.MaxValue,
StoreId = fileCreation.Store.Id,
VisibleIndividuallyOnly = false,
ParentGroupedProductId = product.Id
};
foreach (var associatedProduct in _productService.SearchProducts(associatedSearchContext))
{
WriteItem(fileCreation, writer, associatedProduct, currency, measureWeightSystemKey);
}
}
if (taskContext.CancellationToken.IsCancellationRequested)
{
fileCreation.Logger.Warning("A cancellation has been requested");
break;
}
}
if (!products.HasNextPage || taskContext.CancellationToken.IsCancellationRequested)
{
break;
}
}
writer.WriteEndElement(); // channel
writer.WriteEndElement(); // rss
writer.WriteEndDocument();
if (fileCreation.ErrorMessage.HasValue())
{
fileCreation.Logger.Error(fileCreation.ErrorMessage);
}
}
catch (Exception exc)
{
fileCreation.Logger.Error(exc.Message, exc);
}
}
}
private void CreateFeed(FeedFileCreationContext fileCreation, TaskExecutionContext taskContext)
{
var xmlSettings = new XmlWriterSettings
{
Encoding = Encoding.UTF8,
CheckCharacters = false
};
using (var writer = XmlWriter.Create(fileCreation.Stream, xmlSettings))
{
try
{
fileCreation.Logger.Information("Log file - Google Merchant Center feed.");
var searchContext = new ProductSearchContext()
{
OrderBy = ProductSortingEnum.CreatedOn,
PageSize = int.MaxValue,
StoreId = fileCreation.Store.Id,
VisibleIndividuallyOnly = true
};
string breakingError = null;
var qualifiedProducts = new List <Product>();
var currency = Helper.GetUsedCurrency(Settings.CurrencyId);
var products = _productService.SearchProducts(searchContext);
var measureWeightSystemKey = _measureService.GetMeasureWeightById(_measureSettings.BaseWeightId).SystemKeyword;
if (fileCreation.TotalRecords == 0)
{
fileCreation.TotalRecords = products.Count * fileCreation.StoreCount;
}
writer.WriteStartDocument();
writer.WriteStartElement("rss");
writer.WriteAttributeString("version", "2.0");
writer.WriteAttributeString("xmlns", "g", null, _googleNamespace);
writer.WriteStartElement("channel");
writer.WriteElementString("title", "{0} - Feed for Google Merchant Center".FormatWith(fileCreation.Store.Name));
writer.WriteElementString("link", "http://base.google.com/base/");
writer.WriteElementString("description", "Information about products");
foreach (var product in products)
{
fileCreation.Report();
Helper.GetQualifiedProductsByProduct(product, fileCreation.Store, qualifiedProducts);
foreach (var qualifiedProduct in qualifiedProducts)
{
writer.WriteStartElement("item");
try
{
breakingError = WriteItem(writer, fileCreation.Store, qualifiedProduct, currency, measureWeightSystemKey);
}
catch (Exception exc)
{
fileCreation.Logger.Error(exc.Message, exc);
}
writer.WriteEndElement(); // item
}
if (breakingError.HasValue())
{
fileCreation.Logger.Error(breakingError);
break;
}
if (taskContext.CancellationToken.IsCancellationRequested)
{
fileCreation.Logger.Warning("A cancellation has been requested");
break;
}
}
writer.WriteEndElement(); // channel
writer.WriteEndElement(); // rss
writer.WriteEndDocument();
if (breakingError.HasValue())
{
throw new SmartException(breakingError);
}
}
catch (Exception exc)
{
fileCreation.Logger.Error(exc.Message, exc);
}
}
}
private void WriteItem(FeedFileCreationContext fileCreation, XmlWriter writer, Product product, Currency currency, string measureWeightSystemKey)
{
GoogleProductRecord googleProduct = null;
try
{
googleProduct = GetGoogleProductRecord(product.Id);
if (googleProduct != null && !googleProduct.Export)
{
return;
}
}
catch (Exception exc)
{
fileCreation.Logger.Error(exc.Message, exc);
}
writer.WriteStartElement("item");
try
{
var manu = _manufacturerService.GetProductManufacturersByProductId(product.Id).FirstOrDefault();
var mainImageUrl = Helper.GetMainProductImageUrl(fileCreation.Store, product);
var category = ProductCategory(googleProduct);
if (category.IsEmpty())
{
fileCreation.ErrorMessage = Helper.GetResource("MissingDefaultCategory");
}
string manuName = (manu != null ? manu.Manufacturer.GetLocalized(x => x.Name, Settings.LanguageId, true, false) : null);
string productName = product.GetLocalized(x => x.Name, Settings.LanguageId, true, false);
string shortDescription = product.GetLocalized(x => x.ShortDescription, Settings.LanguageId, true, false);
string fullDescription = product.GetLocalized(x => x.FullDescription, Settings.LanguageId, true, false);
var brand = (manuName ?? Settings.Brand);
var mpn = Helper.GetManufacturerPartNumber(product);
bool identifierExists = product.Gtin.HasValue() || brand.HasValue() || mpn.HasValue();
writer.WriteElementString("g", "id", _googleNamespace, product.Id.ToString());
writer.WriteStartElement("title");
writer.WriteCData(productName.Truncate(70));
writer.WriteEndElement();
var description = Helper.BuildProductDescription(productName, shortDescription, fullDescription, manuName, d =>
{
if (fullDescription.IsEmpty() && shortDescription.IsEmpty())
{
var rnd = new Random();
switch (rnd.Next(1, 5))
{
case 1: return(d.Grow(Settings.AppendDescriptionText1, " "));
case 2: return(d.Grow(Settings.AppendDescriptionText2, " "));
case 3: return(d.Grow(Settings.AppendDescriptionText3, " "));
case 4: return(d.Grow(Settings.AppendDescriptionText4, " "));
case 5: return(d.Grow(Settings.AppendDescriptionText5, " "));
}
}
return(d);
});
writer.WriteStartElement("description");
writer.WriteCData(description.RemoveInvalidXmlChars());
writer.WriteEndElement();
writer.WriteStartElement("g", "google_product_category", _googleNamespace);
writer.WriteCData(category);
writer.WriteFullEndElement();
string productType = Helper.GetCategoryPath(product);
if (productType.HasValue())
{
writer.WriteStartElement("g", "product_type", _googleNamespace);
writer.WriteCData(productType);
writer.WriteFullEndElement();
}
writer.WriteElementString("link", Helper.GetProductDetailUrl(fileCreation.Store, product));
writer.WriteElementString("g", "image_link", _googleNamespace, mainImageUrl);
foreach (string additionalImageUrl in Helper.GetAdditionalProductImages(fileCreation.Store, product, mainImageUrl))
{
writer.WriteElementString("g", "additional_image_link", _googleNamespace, additionalImageUrl);
}
writer.WriteElementString("g", "condition", _googleNamespace, Condition());
writer.WriteElementString("g", "availability", _googleNamespace, Availability(product));
decimal price = Helper.GetProductPrice(product, currency);
string specialPriceDate;
if (SpecialPrice(product, out specialPriceDate))
{
writer.WriteElementString("g", "sale_price", _googleNamespace, price.FormatInvariant() + " " + currency.CurrencyCode);
writer.WriteElementString("g", "sale_price_effective_date", _googleNamespace, specialPriceDate);
// get regular price ignoring any special price
decimal specialPrice = product.SpecialPrice.Value;
product.SpecialPrice = null;
price = Helper.GetProductPrice(product, currency);
product.SpecialPrice = specialPrice;
_dbContext.SetToUnchanged <Product>(product);
}
writer.WriteElementString("g", "price", _googleNamespace, price.FormatInvariant() + " " + currency.CurrencyCode);
writer.WriteCData("gtin", product.Gtin, "g", _googleNamespace);
writer.WriteCData("brand", brand, "g", _googleNamespace);
writer.WriteCData("mpn", mpn, "g", _googleNamespace);
writer.WriteCData("gender", Gender(googleProduct), "g", _googleNamespace);
writer.WriteCData("age_group", AgeGroup(googleProduct), "g", _googleNamespace);
writer.WriteCData("color", Color(googleProduct), "g", _googleNamespace);
writer.WriteCData("size", Size(googleProduct), "g", _googleNamespace);
writer.WriteCData("material", Material(googleProduct), "g", _googleNamespace);
writer.WriteCData("pattern", Pattern(googleProduct), "g", _googleNamespace);
writer.WriteCData("item_group_id", ItemGroupId(googleProduct), "g", _googleNamespace);
writer.WriteElementString("g", "online_only", _googleNamespace, Settings.OnlineOnly ? "y" : "n");
writer.WriteElementString("g", "identifier_exists", _googleNamespace, identifierExists ? "TRUE" : "FALSE");
if (Settings.ExpirationDays > 0)
{
writer.WriteElementString("g", "expiration_date", _googleNamespace, DateTime.UtcNow.AddDays(Settings.ExpirationDays).ToString("yyyy-MM-dd"));
}
if (Settings.ExportShipping)
{
string weightInfo, weight = product.Weight.FormatInvariant();
if (measureWeightSystemKey.IsCaseInsensitiveEqual("gram"))
{
weightInfo = weight + " g";
}
else if (measureWeightSystemKey.IsCaseInsensitiveEqual("lb"))
{
weightInfo = weight + " lb";
}
else if (measureWeightSystemKey.IsCaseInsensitiveEqual("ounce"))
{
weightInfo = weight + " oz";
}
else
{
weightInfo = weight + " kg";
}
writer.WriteElementString("g", "shipping_weight", _googleNamespace, weightInfo);
}
if (Settings.ExportBasePrice && product.BasePriceHasValue)
{
string measureUnit = BasePriceUnits(product.BasePriceMeasureUnit);
if (BasePriceSupported(product.BasePriceBaseAmount ?? 0, measureUnit))
{
string basePriceMeasure = "{0} {1}".FormatWith((product.BasePriceAmount ?? decimal.Zero).FormatInvariant(), measureUnit);
string basePriceBaseMeasure = "{0} {1}".FormatWith(product.BasePriceBaseAmount, measureUnit);
writer.WriteElementString("g", "unit_pricing_measure", _googleNamespace, basePriceMeasure);
writer.WriteElementString("g", "unit_pricing_base_measure", _googleNamespace, basePriceBaseMeasure);
}
}
}
catch (Exception exc)
{
fileCreation.Logger.Error(exc.Message, exc);
}
writer.WriteEndElement(); // item
}