track anonomous user segments via analytics (let's see how successful the beta channel features are)

app/helpers/application_helper.rb

@@ -40,6 +40,12 @@ module ApplicationHelper
     javascript_tag("Modernizr.mq('(min-width:0)') ||  document.write(unescape('#{j javascript_include_tag("mbp-respond.min")}'));")
   end
 
+  # This will *only* fire if analytics are configured (don't panic!)
+  def include_advanced_segments
+    segment = current_user ? current_user.role_name : "unauthenticated"
+    javascript_tag("if(window._gaq) { _gaq.push([1, 'Role', '#{segment}']) }")
+  end
+
   # Require jQuery from CDN if possible, falling back to vendored copy, and require
   # vendored jquery_ujs
   def jquery_include_tag

app/models/user.rb

@@ -433,6 +433,10 @@ class User < ActiveRecord::Base
     Role.is_admin?(self.person)
   end
 
+  def role_name
+    role = Role.find_by_person_id(self.person.id)
+    role ? role.name : "user"
+  end
 
   def guard_unconfirmed_email
     self.unconfirmed_email = nil if unconfirmed_email.blank? || unconfirmed_email == email

app/views/layouts/application.html.haml

@@ -40,6 +40,7 @@
     = set_current_user_in_javascript
     = translation_missing_warnings
     = current_user_atom_tag
+    = include_advanced_segments
 
     = yield(:head)
     = csrf_meta_tag

app/views/layouts/post.html.haml

@@ -45,6 +45,8 @@
     = set_asset_host
     = translation_missing_warnings
     = current_user_atom_tag
+    = include_advanced_segments
+
     - if @post.present?
       %link{:rel => 'alternate', :type => "application/json+oembed", :href => "#{oembed_url(:url => post_url(@post))}"}
       = og_page_specific_tags(@post)