New --ga option for generating google analytics info in the layout

schof · Jun 2, 2011 · 43223ee · 43223ee
1 parent d3919c3
commit 43223ee
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Showing 3 changed files with 20 additions and 2 deletions.
diff --git a/lib/guides/cli.rb b/lib/guides/cli.rb
@@ -23,6 +23,8 @@ def new(name)
     method_option "clean", :type => :boolean
     method_option "edge", :type => :boolean, :default => false
     method_option "production", :type => :boolean, :default => true, :banner => "use production mode", :aliases => "-p"
+    method_option "ga", :type => :string, :banner => "google analytics id (ex. \"UA-12345-6\")"
+
     def build
       if options[:clean]
         FileUtils.rm_rf(File.join(Guides.root, options[:production] ? 'output' : 'staging'))

diff --git a/lib/guides/generator.rb b/lib/guides/generator.rb
@@ -59,7 +59,7 @@
 
 module Guides
   class Generator
-    attr_reader :guides_dir, :source_dir, :output_dir, :edge, :warnings, :all
+    attr_reader :guides_dir, :source_dir, :output_dir, :edge, :ga, :warnings, :all
 
     EXTENSIONS = %w(textile md html.erb)
     GUIDES_RE = /\.(?:#{EXTENSIONS.map{|e| Regexp.escape(e)}.join('|')})$/
@@ -78,6 +78,7 @@ def initialize(options)
       @warnings = options[:warnings]
       @all      = options[:all]
       @production = options[:production]
+      @ga       = options[:ga]
 
       @meta = Guides.meta
     end
@@ -139,7 +140,7 @@ def generate_guide(guide, output_file)
 
       puts "Generating #{output_file}"
       File.open(File.join(output_dir, output_file), 'w') do |f|
-        view = ActionView::Base.new(source_dir, :edge => edge, :production => @production)
+        view = ActionView::Base.new(source_dir, :edge => edge, :ga => ga, :production => @production)
         view.extend(Helpers)
 
         if guide =~ /\.html\.erb$/

diff --git a/lib/guides/templates/source/layout.html.erb b/lib/guides/templates/source/layout.html.erb
@@ -89,5 +89,20 @@
   <script type="text/javascript">
     SyntaxHighlighter.all()
   </script>
+  <% if @ga %>
+    <script type="text/javascript">
+
+      var _gaq = _gaq || [];
+      _gaq.push(['_setAccount', '<%= @ga %>']);
+      _gaq.push(['_trackPageview']);
+
+      (function() {
+        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+      })();
+
+    </script>
+  <% end %>
 </body>
 </html>