Add google analytics.

To make it work, please add GOOGLE_ANALYTICS_PROPERTY_ID with your
tracking ID to settings file.

Signed-off-by: Mariusz Fik <mariusz@fidano.pl>

webapp/calendars/context_processors.py

@@ -1,7 +1,17 @@
+from django.conf import settings
 from .mixins import HasAccessMixin
 
+
 def can_add_new_event(request):
     obj = HasAccessMixin()
     return {
         'can_add_event': obj.has_access(request.user, action='add')[0]
-    }
+    }
+
+def google_analytics(request):
+    ga_prop_id = getattr(settings, 'GOOGLE_ANALYTICS_PROPERTY_ID', False)
+    if not settings.DEBUG and ga_prop_id:
+        return {
+            'GOOGLE_ANALYTICS_PROPERTY_ID': ga_prop_id,
+        }
+    return {}

webapp/mayzla/settings.py

@@ -75,6 +75,7 @@
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
                 'calendars.context_processors.can_add_new_event',
+                'calendars.context_processors.google_analytics',
             ],
         },
     },
@@ -136,3 +137,6 @@
 
 # We already use jquery in admin, so don't load again
 SELECT2_USE_BUNDLED_JQUERY = False
+
+# Google Analytics - obtain your tracking ID from GA account
+GOOGLE_ANALYTICS_PROPERTY_ID = ''

webapp/templates/base.html

@@ -78,5 +78,8 @@
 </footer>
 {% block extra_js %}
 {% endblock %}
+{% if GOOGLE_ANALYTICS_PROPERTY_ID %}
+    {% include "ga.html" %}
+{% endif %}
 </body>
 </html>

webapp/templates/ga.html

@@ -0,0 +1,9 @@
+<script>
+(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  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', '{{ GOOGLE_ANALYTICS_PROPERTY_ID}}', 'auto');
+ga('send', 'pageview');
+</script>