Add RSS feed handling

TheDailyWtf/App_Start/RouteConfig.cs

@@ -27,6 +27,12 @@ public static void RegisterRoutes(RouteCollection routes)
                 defaults: new { controller = "Admin", action = "EditSeries", slug = UrlParameter.Optional }
             );
 
+            routes.MapRoute(
+                name: "Rss",
+                url: "rss",
+                defaults: new { controller = "Home", action = "Rss" }
+            );
+
             routes.MapRoute(
                 name: "Contact",
                 url: "contact",

TheDailyWtf/Common/ActionResults/RssArticlesResult.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Web.Mvc;
+using System.Xml;
+using System.Xml.Linq;
+using TheDailyWtf.Models;
+
+namespace TheDailyWtf
+{
+    public sealed class RssArticlesResult : ActionResult
+    {
+        private readonly IEnumerable<ArticleModel> articles;
+
+        public RssArticlesResult(IEnumerable<ArticleModel> articles)
+        {
+            if (articles == null)
+                throw new ArgumentNullException("articles");
+
+            this.articles = articles;
+        }
+
+        public override void ExecuteResult(ControllerContext context)
+        {
+            var response = context.HttpContext.Response;
+            response.ContentEncoding = Encoding.UTF8;
+            response.ContentType = "application/rss+xml";
+
+            var dc = XNamespace.Get("http://purl.org/dc/elements/1.1/");
+            var slash = XNamespace.Get("http://purl.org/rss/1.0/modules/slash/");
+            var wfw = XNamespace.Get("http://wellformedweb.org/CommentAPI/");
+
+            var xdoc = new XDocument(
+                new XElement("rss",
+                    new XAttribute("version", "2.0"),
+                    new XAttribute(XNamespace.Xmlns + "dc", dc),
+                    new XAttribute(XNamespace.Xmlns + "slash", slash),
+                    new XAttribute(XNamespace.Xmlns + "wfw", wfw),
+                    new XElement("channel",
+                        new XElement("title", "The Daily WTF"),
+                        new XElement("link", "http://thedailywtf.com/"),
+                        new XElement("description", "Curious Perversions in Information Technology"),
+                        this.articles.Select(a => new XElement("item",
+                            new XElement("author", a.Author.Name),
+                            new XElement("title", a.RssTitle),
+                            new XElement("link", a.Url),
+                            new XElement("category", a.Series.Title),
+                            new XElement("pubDate", a.PublishedDate.Value.ToUniversalTime().ToString("r")),
+                            new XElement("guid", a.Id),
+                            new XElement("description", ""),
+                            new XElement(slash + "comments", a.CoalescedCommentCount),
+                            new XElement("comments", a.CommentsUrl)
+                        ))
+                    )
+                )
+            );
+
+            using (var writer = XmlWriter.Create(response.OutputStream, new XmlWriterSettings { Encoding = Encoding.UTF8, Indent = false, NewLineChars = "" }))
+            {
+                xdoc.WriteTo(writer);
+            }
+        }
+    }
+}

TheDailyWtf/Controllers/HomeController.cs

@@ -36,6 +36,15 @@ public ActionResult Sponsors()
             return View(new HomeIndexViewModel());
         }
 
+        [OutputCache(CacheProfile = CacheProfile.Timed5Minutes, VaryByParam = "*")]
+        public ActionResult Rss()
+        {
+            if (Request.QueryString["fbsrc"] != "Y" && Request.QueryString["sneak"] != "Y")
+                return new RedirectResult("http://syndication.thedailywtf.com/TheDailyWtf", false);
+
+            return new RssArticlesResult(ArticleModel.GetRecentArticles(15));
+        }
+
         [HttpPost]
         [ValidateAntiForgeryToken]
         public ActionResult Contact(ContactFormViewModel model)

TheDailyWtf/Models/ArticleModel.cs

@@ -24,8 +24,19 @@ public ArticleModel()
         [AllowHtml]
         public string BodyHtml { get; set; }
         public string Title { get; set; }
+        public string RssTitle
+        {
+            get
+            {
+                if (this.Series.Title.Equals("Feature Articles", StringComparison.OrdinalIgnoreCase))
+                    return HttpUtility.HtmlEncode(this.Title);
+                else
+                    return HttpUtility.HtmlEncode(string.Format("{0}: {1}", this.Series.Title, this.Title));
+            }
+        }        
         public int DiscourseCommentCount { get; set; }
         public int CachedCommentCount { get; set; }
+        public int CoalescedCommentCount { get { return Math.Max(this.DiscourseCommentCount, this.CachedCommentCount); } }
         public DateTime? LastCommentDate { get; set; }
         public string LastCommentDateDescription 
         { 
@@ -43,8 +54,8 @@ public string LastCommentDateDescription
         public string DiscourseThreadUrl { get { return string.Format("http://what.thedailywtf.com/t/{0}/{1}", this.DiscourseTopicSlug, this.DiscourseTopicId); } }
         public DateTime? PublishedDate { get; set; }
         public SeriesModel Series { get; set; }
-        public string Url { get { return string.Format("//{0}/articles/{1}", Config.Wtf.Host, this.Slug); } }
-        public string CommentsUrl { get { return string.Format("//{0}/articles/comments/{1}", Config.Wtf.Host, this.Slug); } }
+        public string Url { get { return string.Format("http://{0}/articles/{1}", Config.Wtf.Host, this.Slug); } }
+        public string CommentsUrl { get { return string.Format("http://{0}/articles/comments/{1}", Config.Wtf.Host, this.Slug); } }
         public string Slug { get; set; }
         public string TwitterUrl { get { return string.Format("//www.twitter.com/home?status=http:{0}+-+{1}+-+The+Daily+WTF", HttpUtility.UrlEncode(this.Url), HttpUtility.UrlEncode(this.Title)); } }
         public string FacebookUrl { get { return string.Format("//www.facebook.com/sharer.php?u=http:{0}&t={1}+-+The+Daily+WTF", HttpUtility.UrlEncode(this.Url), HttpUtility.UrlEncode(this.Title)); } }
@@ -97,7 +108,12 @@ public static IEnumerable<ArticleModel> GetSeriesArticlesByMonth(string series,
 
         public static IEnumerable<ArticleModel> GetRecentArticles()
         {
-            var articles = StoredProcs.Articles_GetRecentArticles(Domains.PublishedStatus.Published, Article_Count: 8).Execute();
+            return GetRecentArticles(8);
+        }
+
+        public static IEnumerable<ArticleModel> GetRecentArticles(int count)
+        {
+            var articles = StoredProcs.Articles_GetRecentArticles(Domains.PublishedStatus.Published, Article_Count: count).Execute();
             return articles.Select(a => ArticleModel.FromTable(a));
         }
 

TheDailyWtf/TheDailyWtf.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -106,6 +106,7 @@
     <Reference Include="System.Xml.Linq" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Common\ActionResults\RssArticlesResult.cs" />
     <Compile Include="Common\Ads\AdRotator.cs" />
     <Compile Include="Common\BaseViewPage.cs" />
     <Compile Include="Common\CacheProfile.cs" />
@@ -213,6 +214,7 @@
     <Content Include="Content\Images\wtf-logo.png" />
     <Content Include="favicon.ico" />
     <Content Include="Global.asax" />
+    <Content Include="robots.txt" />
     <Content Include="Scripts\bootstrap-datepicker.js" />
     <Content Include="Scripts\custom.js" />
     <Content Include="Scripts\gumby.min.js" />

TheDailyWtf/robots.txt

@@ -0,0 +1,6 @@
+User-agent: *
+Disallow: /Resources/
+Disallow: /Admin/
+Disallow: /Comments/AddComment.aspx
+Disallow: /Comments/EditComment.aspx
+Disallow: /Comments/DeleteComment.aspx