feed en atom

app/controllers/homes_controller.rb

@@ -2,5 +2,12 @@ class HomesController < ApplicationController
   def show
     @posts = Post.active(:limit => 11)
     @last_post = @posts.shift
+
+    respond_to do |format|
+      format.html
+      format.atom do
+        @posts = [@last_post] + @posts[0..8]
+      end
+    end
   end
 end

app/views/homes/show.atom.builder

@@ -0,0 +1,44 @@
+atom_feed(:schema_date => '2009') do |feed|
+  feed.title("Rubén on Rails' Blog")
+  feed.updated(@posts.first.published_at)
+
+  for post in @posts
+    feed.entry(post, { :url => seo_post_url(post.published_at.year, post.published_at.month, post.published_at.day, post.friendly_id) }) do |entry|
+      entry.title(post.title)
+      entry.content(post.body_html, :type => 'html')
+      #entry.link    "rel" => "alternate", "href" => seo_post_url(post.published_at.year, post.published_at.month, post.published_at.day, post.friendly_id)
+      #entry.url  "type" => "text/html", "rel" => "alternate", "href" => seo_post_url(post.published_at.year, post.published_at.month, post.published_at.day, post.friendly_id)
+      entry.author do |author|
+        author.name("Rubén Dávila")
+      end
+    end
+  end
+end
+
+
+#xml.instruct!
+#
+#xml.feed "xmlns" => "http://www.w3.org/2005/Atom" do
+#
+#xml.title   "Feed Name"
+#xml.link    "rel" => "self", "href" => url_for(:only_path => false, :controller => 'home', :action => 'show', :format => :atom)
+#xml.link    "rel" => "alternate", "href" => url_for(:only_path => false, :controller => 'home')
+#xml.id      url_for(:only_path => false, :controller => 'posts')
+#xml.updated @posts.first.updated_at.strftime "%Y-%m-%dT%H:%M:%SZ" if @posts.any?
+#xml.author  { xml.name "Author Name" }
+#
+#  @posts.each do |post|
+#    xml.entry do
+#      xml.title   post.title
+#      xml.link    "rel" => "alternate", "href" => seo_post_url(post.published_at.year, post.published_at.month, post.published_at.day, post.friendly_id)
+#
+#      xml.id      seo_post_url(post.published_at.year, post.published_at.month, post.published_at.day, post.friendly_id)
+#
+#      xml.updated post.updated_at.strftime "%Y-%m-%dT%H:%M:%SZ"
+#      xml.author  { xml.name 'ddddd' }
+#      xml.content post.body_html
+#    end
+#  end
+#
+#end
+#

app/views/layouts/application.html.haml

@@ -2,6 +2,7 @@
 %html{ "xml:lang" => "es", :lang => "es", :xmlns => "http://www.w3.org/1999/xhtml" }
 
 %head
+  = auto_discovery_link_tag :atom, root_url(:format=>'atom'), :title=>'Rubén on Rails'
   = stylesheet_link_tag 'screen.css', :media => 'screen, projection'
   = stylesheet_link_tag 'print.css', :media => 'print'
   = syntax_css('espresso_libre')