Allow fields to be specified when creating the tracker

README.rst

@@ -87,6 +87,7 @@ Installation
       googleanalytics_resource_prefix = /downloads/
       googleanalytics.domain = auto
       googleanalytics.track_events = false
+      googleanalytics.fields = {}
 
    ``resource_prefix`` is an arbitrary identifier so that we can query
    for downloads in Google Analytics.  It can theoretically be any
@@ -107,6 +108,8 @@ Installation
    is always enabled,* ``track_events`` *enables event tracking for other
    pages as well.*
 
+   ``fields`` allows you to specify various options when creating the tracker. See `Google's documentation <https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference>`.
+
 Setting Up Statistics Retrieval from Google Analytics
 -----------------------------------------------------
 

ckanext/googleanalytics/plugin.py

@@ -66,6 +66,8 @@ class GoogleAnalyticsPlugin(p.SingletonPlugin):
         self.googleanalytics_id = config['googleanalytics.id']
         self.googleanalytics_domain = config.get(
                 'googleanalytics.domain', 'auto')
+        self.googleanalytics_fields = config.get(
+            'googleanalytics.fields', '{}')
         self.googleanalytics_javascript_url = h.url_for_static(
                 '/scripts/ckanext-googleanalytics.js')
 
@@ -270,6 +272,7 @@ class GoogleAnalyticsPlugin(p.SingletonPlugin):
 
         '''
         data = {'googleanalytics_id': self.googleanalytics_id,
-                'googleanalytics_domain': self.googleanalytics_domain}
+                'googleanalytics_domain': self.googleanalytics_domain,
+                'googleanalytics_fields': self.googleanalytics_fields}
         return p.toolkit.render_snippet(
             'googleanalytics/snippets/googleanalytics_header.html', data)

ckanext/googleanalytics/templates/googleanalytics/snippets/googleanalytics_header.html

@@ -4,7 +4,7 @@
   m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
   })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 
-  ga('create', '{{googleanalytics_id}}', '{{googleanalytics_domain}}');
+  ga('create', '{{googleanalytics_id}}', '{{googleanalytics_domain}}', {{googleanalytics_fields|safe}});
   ga('set', 'anonymizeIp', true);
   ga('send', 'pageview');
 </script>