BlogSitemap.ashx

gistfile1.cs

<%@ WebHandler Language="C#" Class="BlogSitemap" %>
using System;
using System.Globalization;
using System.Text;
using System.Web;
using System.Linq;
using Composite.Data;
using Composite.Data.Types;
using Composite.Core.Routing;
using Composite.Community.Blog;


public class BlogSitemap : IHttpHandler
{
    protected string Changefreq = "monthly";

    public void ProcessRequest(HttpContext context)
    {
        Guid pageId = Guid.Empty;
        if (context.Request["bid"] != null && Guid.TryParse(context.Request["bid"], out pageId))
        {

            var cultureName = context.Request["cultureName"];
            if (string.IsNullOrEmpty(cultureName))
            {
                cultureName = DataLocalizationFacade.DefaultLocalizationCulture.Name;
            }
            
            var cultureInfo = new CultureInfo(cultureName);
            context.Response.ContentType = "text/xml";

            var xml = new StringBuilder();
            xml.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            xml.Append("<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">");

            var cultures = DataLocalizationFacade.IsLocalized(typeof(IPage)) ? DataLocalizationFacade.ActiveLocalizationCultures : new[] { CultureInfo.InvariantCulture };

                using (var conn = new DataConnection(cultureInfo))
                {
                    string pageUrl = BlogFacade.GetPageUrlById(pageId);
                    if (!string.IsNullOrEmpty(pageUrl))
                    {
                        foreach (var blog in conn.Get<Entries>().Where(b => b.PageId == pageId))
                        {

                            var blogurl =GetFullPath( BlogFacade.GetBlogUrl(blog.Date, blog.Title, blog.PageId, pageUrl));

                            xml.Append("<url>");
                            xml.AppendFormat("<loc>{0}</loc>", blogurl);
                            xml.AppendFormat("<lastmod>{0}</lastmod>", blog.Date.ToString("yyyy-MM-dd"));
                            xml.AppendFormat("<changefreq>{0}</changefreq>", Changefreq);
                            xml.AppendFormat("<priority>{0}</priority>", "0.5");
                            xml.Append("</url>");


                        }
                    }
                    

                }

            
            xml.Append("</urlset> ");
            context.Response.Write(xml);
        }
        else
        {
            context.Response.Write("The required query paramerer 'bid' (blog page GUID) is missing.");
        }
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

    internal string GetFullPath(string path)
    {
        var request = HttpContext.Current.Request;
        return (new Uri(request.Url, System.IO.Path.Combine(request.ApplicationPath, path))).ToString();
    }
}