From 0fcd43973696906a695655e257e977302d8f0db2 Mon Sep 17 00:00:00 2001
From: Mo Bitar <me@bitar.io>
Date: Tue, 18 Apr 2017 18:35:00 -0500
Subject: [PATCH] analytics

---
 .../app/frontend/controllers/_base.js         | 20 ++++++++++++++++++-
 .../javascripts/app/services/authManager.js   |  8 ++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/app/frontend/controllers/_base.js b/app/assets/javascripts/app/frontend/controllers/_base.js
index 985b98649..441bca4c1 100644
--- a/app/assets/javascripts/app/frontend/controllers/_base.js
+++ b/app/assets/javascripts/app/frontend/controllers/_base.js
@@ -1,10 +1,28 @@
 class BaseCtrl {
-  constructor(syncManager, dbManager) {
+  constructor(syncManager, dbManager, authManager) {
     dbManager.openDatabase(null, function(){
       // new database, delete syncToken so that items can be refetched entirely from server
       syncManager.clearSyncToken();
       syncManager.sync();
     })
+
+    // load analytics
+    window._paq = window._paq || [];
+
+    (function() {
+      var u="https://piwik.standardnotes.org/";
+      window._paq.push(['setTrackerUrl', u+'piwik.php']);
+      window._paq.push(['setSiteId', '2']);
+      var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+      g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+    })();
+
+    var analyticsId = authManager.getUserAnalyticsId();
+    if(analyticsId) {
+      window._paq.push(['setUserId', analyticsId]);
+    }
+    window._paq.push(['trackPageView']);
+    window._paq.push(['enableLinkTracking']);
   }
 
 }
diff --git a/app/assets/javascripts/app/services/authManager.js b/app/assets/javascripts/app/services/authManager.js
index c2615d1b3..b972ea0b1 100644
--- a/app/assets/javascripts/app/services/authManager.js
+++ b/app/assets/javascripts/app/services/authManager.js
@@ -24,6 +24,14 @@ angular.module('app.frontend')
         }
       }
 
+      this.getUserAnalyticsId = function() {
+        if(!this.user || !this.user.uuid) {
+          return null;
+        }
+        // anonymize user id irreversably
+        return Neeto.crypto.hmac256(this.user.uuid, Neeto.crypto.sha256(localStorage.getItem("pw")));
+      }
+
       this.offline = function() {
         return !this.user;
       }