Add Application Insights analytics support

_config.yml

@@ -285,6 +285,9 @@ mathjax:
 # CNZZ count
 #cnzz_siteid:
 
+# Application Insights
+# See https://azure.microsoft.com/en-us/services/application-insights/
+# application_insights:
 
 # Make duoshuo show UA
 # user_id must NOT be null when admin_enable is true!

layout/_scripts/third-party/analytics.swig

@@ -3,3 +3,4 @@
 {% include 'analytics/baidu-analytics.swig' %}
 {% include 'analytics/tencent-analytics.swig' %}
 {% include 'analytics/cnzz-analytics.swig' %}
+{% include 'analytics/application-insights.swig' %}

layout/_scripts/third-party/analytics/application-insights.swig

@@ -0,0 +1,11 @@
+{% if theme.application_insights %}
+<script type="text/javascript">
+  var appInsights=window.appInsights||function(config){
+    function i(config){t[config]=function(){var i=arguments;t.queue.push(function(){t[config].apply(t,i)})}}var t={config:config},u=document,e=window,o="script",s="AuthenticatedUserContext",h="start",c="stop",l="Track",a=l+"Event",v=l+"Page",y=u.createElement(o),r,f;y.src=config.url||"https://az416426.vo.msecnd.net/scripts/a/ai.0.js";u.getElementsByTagName(o)[0].parentNode.appendChild(y);try{t.cookie=u.cookie}catch(p){}for(t.queue=[],t.version="1.0",r=["Event","Exception","Metric","PageView","Trace","Dependency"];r.length;)i("track"+r.pop());return i("set"+s),i("clear"+s),i(h+a),i(c+a),i(h+v),i(c+v),i("flush"),config.disableExceptionTracking||(r="onerror",i("_"+r),f=e[r],e[r]=function(config,i,u,e,o){var s=f&&f(config,i,u,e,o);return s!==!0&&t["_"+r](config,i,u,e,o),s}),t
+    }({
+        instrumentationKey:"{{ theme.application_insights }}"
+    });
+    window.appInsights=appInsights;
+    appInsights.trackPageView();
+</script>
+{% endif %}