chore: send stats to google analytics

libs/live-fetcher.js

@@ -1,6 +1,7 @@
 // Cache ongoing fetching, prevent redundant request
 const pool = require('./live-pool.js')
 const raven = require('./raven.js')
+const sendStats = require('./send-stats.js')
 
 module.exports = async (service, fn, paramsPath) => {
   const fetchStart = new Date()
@@ -11,6 +12,7 @@ module.exports = async (service, fn, paramsPath) => {
   const fetcher = fn(...paramsPath.split('/')).then(
     result => {
       console.log(timeSince(fetchStart), fetchKey)
+      sendStats('stats', service, fetchKey, new Date() - fetchStart)
       return typeof result === 'object' ? result : { failed: true }
     },
     err => gotErrorHandler(service, paramsPath, err)
@@ -41,6 +43,7 @@ const gotErrorHandler = (service, paramsPath, err) => {
 
   logError(serviceKey, status, err)
   sendError(serviceKey, status, err)
+  sendStats('error', status, serviceKey)
 
   return { status, failed: true }
 }
@@ -57,7 +60,9 @@ const logError = (serviceKey, status, err) => {
 
 // send error to sentry
 const sendError = (serviceKey, status, err) => {
-  status === 'unknown' && raven && raven.captureException(err, {
+  if (status !== 'unknown') return
+
+  raven && raven.captureException(err, {
     tags: {
       serviceKey,
       url: err.url

libs/send-stats.js

@@ -0,0 +1,21 @@
+const got = require('got')
+
+const { TRACKING_GA, NOW_URL } = process.env
+
+// Send stats to google analytics
+module.exports = (category, action, label, value) => {
+  if (!TRACKING_GA) return
+
+  got.get('https://www.google-analytics.com/collect', {
+    query: {
+      v: '1',
+      tid: TRACKING_GA,
+      cid: NOW_URL || '000',
+      t: 'event',
+      ec: category,
+      ea: action,
+      el: label,
+      ev: value
+    }
+  })
+}

libs/serve-404.js

@@ -1,4 +1,5 @@
 const serveBadge = require('./serve-badge.js')
+const sendStats = require('./send-stats.js')
 
 module.exports = (req, res) => {
   req.params = {
@@ -7,4 +8,5 @@ module.exports = (req, res) => {
     color: 'orange'
   }
   serveBadge(req, res, { code: 404 })
+  sendStats('invalid', '404', req.url)
 }