Merge pull request #475 from veger/improve_rss_feed

Improve RSS feed

Author: bricesanchez

app/views/refinery/blog/posts/index.rss.builder

@@ -1,16 +1,22 @@
 xml.instruct! :xml, :version => "1.0"
-xml.rss :version => "2.0" do
+xml.rss version: "2.0", 'xmlns:atom': 'http://www.w3.org/2005/Atom', 'xmlns:media': 'http://search.yahoo.com/mrss/' do
   xml.channel do
     xml.title Refinery::Core.site_name
     xml.description Refinery::Core.site_name + " Blog Posts"
     xml.link refinery.blog_root_url
+    xml.tag! 'atom:link', href: refinery.blog_rss_feed_url, rel: 'self', type: 'application/rss+xml'
 
     @posts.each do |post|
       xml.item do
         xml.title post.title
-        xml.description post.body
+        xml.description blog_post_teaser(post)
+        xml.category post.categories.map {|x| x.title }.join('/') if  post.categories.length > 0
         xml.pubDate post.published_at.to_s(:rfc822)
         xml.link refinery.blog_post_url(post)
+        xml.guid refinery.blog_post_url(post)
+        post.images.each do |image|
+          xml.media :content, url: refinery.root_url + image.url, medium: 'image'
+        end if post.respond_to?(:images)
       end
     end
   end