Merge pull request #92 from codeforamerica/add-mixpanel

Replace analytics with mixpanel

analytics.js

@@ -1,43 +1,21 @@
-const redis = require('redis');
-
-const analyticsKey = function() {
-  const now = (new Date());
-  return now.toISOString().slice(0, 10);
-};
-const analyticsFromReq = function(req) {
-  const shortLink = req.params.wanted;
-
-  return [
-    shortLink,
-    `${shortLink}|referer|${req.headers['referer'] || ''}`,
-    `${shortLink}|user_agent|${req.headers['user-agent'] || ''}`,
-    `${shortLink}|utm_campaign|${req.query['utm_campaign'] || ''}`,
-    `${shortLink}|utm_medium|${req.query['utm_medium'] || ''}`,
-    `${shortLink}|utm_source|${req.query['utm_source'] || ''}`,
-  ];
-};
-
-let client;
-if (process.env.REDIS_URL) {
-  client = redis.createClient(process.env.REDIS_URL);
-  client.on('error', (err) => {
-    console.log("Redis Error: " + err);
-  });
-}
+const Mixpanel = require('mixpanel');
 
 module.exports = {
   trackRedirect(req) {
-    const key = analyticsKey();
-    const analytics = analyticsFromReq(req);
+    if (!process.env.MIXPANEL_TOKEN) {
+      return;
+    }
+    const mixpanel = Mixpanel.init(process.env.MIXPANEL_TOKEN);
 
-    console.log(JSON.stringify({ [key]: analytics }));
+    const shortLink = req.params.wanted;
 
-    if (process.env.REDIS_URL) {
-      try {
-        analytics.forEach(metric => client.hincrby(key, metric, 1));
-      } catch (ex) {
-        console.log("Analytics Error: " + ex);
-      }
-    }
+    mixpanel.track('redirect', {
+      short_link: shortLink,
+      referrer: req.headers['referer'] || '',
+      user_agent: req.headers['user-agent'] || '',
+      utm_campaign: req.query['utm_campaign'] || '',
+      utm_medium: req.query['utm_medium'] || '',
+      utm_source: req.query['utm_source'] || '',
+    });
   }
 };

package.json

@@ -25,6 +25,7 @@
     "consolidate": "^0.13.1",
     "ejs": "^2.3.1",
     "express": "^4.17.1",
+    "mixpanel": "^0.11.0",
     "redis": "^2.8.0",
     "underscore": "^1.8.3"
   },