Added RSS feed to tutorials site.

Author: Steven Heidel

vendor/plugins/tutorials/app/views/tutorials/index.rss.builder

@@ -0,0 +1,26 @@
+xml.instruct! :xml, :version => "1.0"
+xml.rss :version => "2.0", "xmlns:atom" => "http://www.w3.org/2005/Atom" do
+  xml.channel do
+    # Required to pass W3C validation.
+    xml.atom :link, nil, {
+      :href => tutorials_url(:format => 'rss'),
+      :rel => 'self', :type => 'application/rss+xml'
+    }
+
+    # Feed basics.
+    xml.title             page_title
+    xml.description       @page[:body].to_s.gsub(/<\/?[^>]*>/, "") # .to_s protects from nil errors
+    xml.link              tutorials_url(:format => 'rss')
+
+    # News items.
+    @tutorials.each do |tutorial|
+      xml.item do
+        xml.title         tutorial.title
+        xml.link          tutorial_url(tutorial)
+        xml.description   truncate(tutorial.content, :length => 200, :preserve_html_tags => true)
+        xml.pubDate       tutorial.updated_at.to_s(:rfc822)
+        xml.guid          tutorial_url(tutorial)
+      end
+    end
+  end
+end