We can now trace visitors using piwik

Gemfile

@@ -35,6 +35,7 @@ gem 'http_accept_language'
 gem 'strip_attributes'
 # Track changes to models' data
 gem 'paper_trail'
+gem 'piwik_analytics'
 
 # Validate mails submitted
 gem 'email_validator'

Gemfile.lock

@@ -45,7 +45,7 @@ GEM
       erubis (~> 2.7.0)
       rails-dom-testing (~> 1.0, >= 1.0.5)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview-encoded_mail_to (1.0.7)
+    actionview-encoded_mail_to (1.0.8)
       rails
     activeadmin (1.0.0.pre4)
       arbre (~> 1.0, >= 1.0.2)
@@ -252,6 +252,10 @@ GEM
       request_store (~> 1.1)
     parser (2.3.1.4)
       ast (~> 2.2)
+    piwik_analytics (1.0.2)
+      actionpack
+      activesupport
+      rails (>= 3.0.0)
     polyamorous (1.3.1)
       activerecord (>= 3.0)
     powerpack (0.1.1)
@@ -437,6 +441,7 @@ DEPENDENCIES
   modernizr-rails
   mysql2
   paper_trail
+  piwik_analytics
   quiet_assets
   rack-livereload
   rails

app/views/layouts/application.html.haml

@@ -77,3 +77,5 @@
         = link_to moderations_path do
           %em.fa.fa-gavel
           = t '.moderation'
+
+    =  piwik_tracking_tag

config/piwik.yml

@@ -0,0 +1,33 @@
+# Configuration:
+# 
+# disabled
+#   false if tracking tag should be shown
+# use_async
+#   Set to true if you want to use asynchronous tracking
+# url
+#   The url of your piwik instance (e.g. localhost/piwik/
+# id_site
+#   The id of your website inside Piwik
+#
+production:
+  piwik:
+    id_site: 3
+    url: piwik.april.org
+    use_async: true
+    disabled: false
+
+development:
+  piwik:
+    id_site: 3
+    url: piwik.april.org
+    disabled: true
+    use_async: false
+    hostname: localhost
+
+test:
+  piwik:
+    id_site: 3
+    url: piwik.april.org
+    disabled: true
+    use_async: false
+    hostname: localhost