Merge pull request #5 from joergreichert/newsfeed

Newsfeed

app/views/layouts/application.html.slim

@@ -5,6 +5,7 @@ html
     = stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true
     = javascript_include_tag 'vendor/modernizr'
     = csrf_meta_tags
+    = auto_discovery_link_tag(:rss, params.merge(format: :rss))
 
   body
     .row

app/views/search/index.rss.builder

@@ -0,0 +1,18 @@
+xml.instruct! :xml, :version => "1.0"
+xml.rss :version => "2.0" do
+  xml.channel do
+    xml.title "Search results"
+    xml.description "Papers matching search criteria"
+    xml.link root_url
+
+    @papers.each do |doc|
+      xml.item do
+        xml.title doc.name
+        xml.description truncate(doc.content, length: 768)
+        xml.pubDate doc.published_at.to_date.to_s(:rfc822)
+        xml.link doc.url
+        xml.guid doc.url
+      end
+    end
+  end
+end