Creating Image Sitemap for Sitecore site

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I have to generate an image sitemap for multisite Sitecore application, but I can’t get any tool available online for creating unlimited pages image sitemap, So I have decided to do it programmatically.
Let's do it.

Step 1:
Add a reference to HtmlAgilityPack.dll

Step 2:
Add a new Item "SitemapTest" add assign the item to use(rendering/Layout ) that we going to create in Sitecore solution where we need to get the image sitemap.

Step 3:
Add the condition not to crawl this newly added view page by the code we going to do.

Step 4:
Add the following code for image sitemap generation in the new rendering/Layout file and add it to Sitemaptest Item.

         List<Item> itemsList = new List<Item>();
            string[] languages = { "en", "ar-ae", "zh-cn", "it-it", "ru-ru" };
            string ItemUrl = String.Empty;
            foreach (var lang in languages)
            {
                using (new LanguageSwitcher(Sitecore.Globalization.Language.Parse(lang)))
                {
                    var rootItem = Sitecore.Context.Database.GetItem("/sitecore/content/SiteHOME", Sitecore.Globalization.Language.Parse(lang));
                    itemsList.Add(rootItem);
                    rootItem.Children.ToList().ForEach(p => itemsList.Add(p));
                    //Starting urlset
                    XmlTextWriter enwriter = new XmlTextWriter("D:\\Sitemap\\sitemap-Images-" + lang.ToString() + ".xml", System.Text.Encoding.UTF8);
                    enwriter.WriteStartDocument(true);
                    enwriter.Formatting = Formatting.Indented;
                    enwriter.Indentation = 2;
                    enwriter.WriteStartElement("urlset");
//Write the namespace declaration.
          enwriter.WriteAttributeString("xmlns", null, null, "http://www.sitemaps.org/schemas/sitemap/0.9");
                 enwriter.WriteAttributeString("xmlns", "image", null, "http://www.google.com/schemas/sitemap-image/1.1");

                    foreach (Item childs in itemsList)
                    {
                        Sitecore.Diagnostics.Log.Info("ITEM", rootItem.Paths.FullPath);
                        Sitecore.Diagnostics.Log.Info("language", rootItem.Language.Name);
                        if (Sitecore.Data.ID.IsID(childs.ID.ToGuid().ToString()))
                        {

                            Item item = Sitecore.Context.Database.GetItem(Sitecore.Data.ID.Parse(childs.ID), Sitecore.Globalization.Language.Parse(lang));
                            if (item != null && item.Name != "SitemapTest" && item.Versions.Count > 0)
                            {
                                LayoutItem layoutItem = item.Visualization.GetLayout(Sitecore.Context.Device);
                                if (layoutItem != null)
                                {
                                    Sitecore.Diagnostics.Log.Info("ITEM", item.Paths.FullPath);
                                    var options = LinkManager.GetDefaultUrlOptions();
                                    options.AlwaysIncludeServerUrl = true;
                                    options.SiteResolving = true;
                                    options.LanguageEmbedding = LanguageEmbedding.Always;
                                    options.LowercaseUrls = true;
                                    ItemUrl = LinkManager.GetItemUrl(item, options);
                                    var document1 = new HtmlWeb().Load(ItemUrl);
                                    var urls = from r in document1.DocumentNode.Descendants("img")
                                               select new
                                               {
                                                   src = String.Format("{0}{1}", Request.Url.Host, r.GetAttributeValue("src", "")),
                                                   caption = r.GetAttributeValue("alt", "")
                                               };
                                    if (urls != null && urls.Count() > 0)
                                    {

                                        //starting url //starting url
                                        enwriter.WriteStartElement("url");
                                        enwriter.WriteStartElement("loc");
                                        enwriter.WriteString(ItemUrl.ToLower());
                                        enwriter.WriteEndElement();
                                        enwriter.WriteStartElement("lastmod");
                                        enwriter.WriteString(DateTime.Now.ToShortDateString());

                                        enwriter.WriteEndElement();
                                        enwriter.WriteStartElement("changefreq");
                                        enwriter.WriteString("monthly");


                                        enwriter.WriteEndElement();

                                        foreach (var r in urls)
                                        {
                                            enwriter.WriteStartElement("image:image");

                                            enwriter.WriteStartElement("image:loc");
                                            enwriter.WriteString(r.src);
                                            enwriter.WriteEndElement();

                                            enwriter.WriteStartElement("image:caption");
                                            enwriter.WriteString(r.caption);
                                            enwriter.WriteEndElement();

                                            enwriter.WriteEndElement();

                                        }
                                        //closing urlset
                                        enwriter.WriteEndElement();

                                    }
                                }
                            }
                        }
                    }
                    //Closing URLS
                    enwriter.WriteEndElement();
                    enwriter.WriteEndDocument();
                    enwriter.Close();
                }
            }
Output:



That’s it 😊


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