RSS with MVC

gistfile1.cs

using System;
using System.Linq;
using System.ServiceModel.Syndication;
using System.Web.Mvc;
using System.Xml;

namespace Web
{
    public class RssController : Controller
    {
        public ActionResult Articles()
        {
            var articles = ...; // Retrieve articles from DB.
            var items = ( from a in articles
                          select new SyndicationItem(
                              a.Title,
                              a.Contents,
                              new Uri( "http://site/articlelink" ),
                              a.Id.ToString(),
                              a.PostDate
                              ) );
            var feed = new SyndicationFeed( "Feed title", "Feed description", new Uri( "http://site/feed" ), items );
            return new RssResult { Feed = feed };
        }
    }

    /// <summary>
    /// Represents a class that is used by an action to render an RSS feed.
    /// </summary>
    public class RssResult : ActionResult
    {
        /// <summary>
        /// Gets or sets the feed with items.
        /// </summary>
        public SyndicationFeed Feed { get; set; }

        /// <summary>
        /// Turns the feed items into RSS XML that can be used for syndication.
        /// </summary>
        /// <param name="context">The context of the controller in which the result is executed.</param>
        public override void ExecuteResult( ControllerContext context )
        {
            context.HttpContext.Response.ContentType = "application/rss+xml";
            using( var writer = XmlWriter.Create( context.HttpContext.Response.Output ) )
            {
                var rssFormatter = new Rss20FeedFormatter( this.Feed );
                rssFormatter.WriteTo( writer );
            }
        }
    }
}