Adding google anayltics tracking

app/index.html

@@ -38,5 +38,16 @@
 
   <script src="lib.js" type="text/javascript"></script>
   <script src="app.js" type="text/javascript"></script>
+  <% if (uaTracking) { %>
+    <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', '<%= uaTracking %> ', 'auto');
+    </script>
+  <% } %>
+
 </body>
 </html>

app/js/app.js

@@ -1,11 +1,16 @@
 angular.module('app', ['ui.router', 'shipyard', 'ngLodash', 'app.templates'])
-.run(['$rootScope','$document','$state','commonArray','shipPurpose','shipSize','hardPointClass','internalGroupMap','hardpointsGroupMap', function ($rootScope, $doc, $state, CArr, shipPurpose, sz, hpc, igMap, hgMap) {
+.run(['$rootScope', '$location', '$window', '$document','$state','commonArray','shipPurpose','shipSize','hardPointClass','internalGroupMap','hardpointsGroupMap', function ($rootScope, $location, $window, $doc, $state, CArr, shipPurpose, sz, hpc, igMap, hgMap) {
   // Redirect any state transition errors to the error controller/state
   $rootScope.$on('$stateChangeError', function(e, toState, toParams, fromState, fromParams, error){
     e.preventDefault();
     $state.go('error', error, {location:false, reload:true});  // Go to error state, reload the controller, keep the current URL
   });
 
+  // Track on Google analytics if available
+  $rootScope.$on('$stateChangeSuccess', function() {
+    if ($window.ga) ga('send', 'pageview', {page: $location.path()});
+  });
+
   // Global Reference variables
   $rootScope.CArr = CArr;
   $rootScope.SP = shipPurpose;

gulpfile.js

@@ -108,7 +108,8 @@ gulp.task('generateIndexHTML', function() {
   return gulp.src('app/index.html')
     .pipe(template({
       version: pkg.version,
-      date : (new Date()).toLocaleDateString()
+      date : (new Date()).toLocaleDateString(),
+      uaTracking: process.env.CORIOLIS_UA_TRACKING
     }))
     .pipe(htmlmin({
       'collapseBooleanAttributes': true,