Improved Atom rendering templates, added README

app/helpers/atom_helper.rb

@@ -1,5 +1,101 @@
 module AtomHelper
   def stream_updated_at
-    @account.stream_entries.last ? @account.stream_entries.last.created_at.iso8601 : @account.updated_at.iso8601
+    @account.stream_entries.last ? @account.stream_entries.last.created_at : @account.updated_at
+  end
+
+  def entry(xml, is_root, &block)
+    if is_root
+      root_tag(xml, :entry, &block)
+    else
+      xml.entry &block
+    end
+  end
+
+  def feed(xml, &block)
+    root_tag(xml, :feed, &block)
+  end
+
+  def unique_id(xml, date, id, type)
+    xml.id_ unique_tag(date, id, type)
+  end
+
+  def simple_id(xml, id)
+    xml.id_ id
+  end
+
+  def published_at(xml, date)
+    xml.published date.iso8601
+  end
+
+  def updated_at(xml, date)
+    xml.updated date.iso8601
+  end
+
+  def verb(xml, verb)
+    xml['activity'].send('verb', "http://activitystrea.ms/schema/1.0/#{verb}")
+  end
+
+  def content(xml, content)
+    xml.content({ type: 'html' }, content)
+  end
+
+  def title(xml, title)
+    xml.title title
+  end
+
+  def author(xml, &block)
+    xml.author &block
+  end
+
+  def target(xml, &block)
+    xml['activity'].object &block
+  end
+
+  def object_type(xml, type)
+    xml['activity'].send('object-type', "http://activitystrea.ms/schema/1.0/#{type}")
+  end
+
+  def uri(xml, uri)
+    xml.uri uri
+  end
+
+  def name(xml, name)
+    xml.name name
+  end
+
+  def summary(xml, summary)
+    xml.summary summary
+  end
+
+  def subtitle(xml, subtitle)
+    xml.subtitle subtitle
+  end
+
+  def link_alternate(xml, url)
+    xml.link(rel: 'alternate', type: 'text/html', href: url)
+  end
+
+  def link_self(xml, url)
+    xml.link(rel: 'self', type: 'application/atom+xml', href: url)
+  end
+
+  def link_hub(xml, url)
+    xml.link(rel: 'hub', href: url)
+  end
+
+  def link_salmon(xml, url)
+    xml.link(rel: 'salmon', href: url)
+  end
+
+  def portable_contact(xml, account)
+    xml['poco'].preferredUsername account.username
+    xml['poco'].displayName account.display_name
+    xml['poco'].note account.note
+  end
+
+  private
+
+  def root_tag(xml, tag, &block)
+    xml.send(tag, {xmlns: 'http://www.w3.org/2005/Atom', 'xmlns:thr': 'http://purl.org/syndication/thread/1.0', 'xmlns:activity': 'http://activitystrea.ms/spec/1.0/', 'xmlns:poco': 'http://portablecontacts.net/spec/1.0'}, &block)
   end
 end