From 6c82462df617b3ae4adf64582e08a7432c69fb9a Mon Sep 17 00:00:00 2001
From: Jeremy Jackson <jjackson@gitlab.com>
Date: Mon, 26 Aug 2019 18:14:48 +0000
Subject: Changes snowplow to use cookies for sessions

This also restructures how and where the configuration for
Snowplow lives.
---
 app/assets/javascripts/main.js        |  2 ++
 app/assets/javascripts/tracking.js    | 28 ++++++++++++++++++++++++++++
 app/views/layouts/_snowplow.html.haml | 21 +--------------------
 3 files changed, 31 insertions(+), 20 deletions(-)

(limited to 'app')

diff --git a/app/assets/javascripts/main.js b/app/assets/javascripts/main.js
index 39f2097c174..0ddf40b0405 100644
--- a/app/assets/javascripts/main.js
+++ b/app/assets/javascripts/main.js
@@ -35,6 +35,7 @@ import initPerformanceBar from './performance_bar';
 import initSearchAutocomplete from './search_autocomplete';
 import GlFieldErrors from './gl_field_errors';
 import initUserPopovers from './user_popovers';
+import { initUserTracking } from './tracking';
 import { __ } from './locale';
 
 import 'ee_else_ce/main_ee';
@@ -94,6 +95,7 @@ function deferredInitialisation() {
   initLogoAnimation();
   initUsagePingConsent();
   initUserPopovers();
+  initUserTracking();
 
   if (document.querySelector('.search')) initSearchAutocomplete();
 
diff --git a/app/assets/javascripts/tracking.js b/app/assets/javascripts/tracking.js
index a852f937eec..03281b5ef49 100644
--- a/app/assets/javascripts/tracking.js
+++ b/app/assets/javascripts/tracking.js
@@ -1,5 +1,23 @@
 import $ from 'jquery';
 
+const DEFAULT_SNOWPLOW_OPTIONS = {
+  namespace: 'gl',
+  hostname: window.location.hostname,
+  cookieDomain: window.location.hostname,
+  appId: '',
+  userFingerprint: false,
+  respectDoNotTrack: true,
+  forceSecureTracker: true,
+  eventMethod: 'post',
+  contexts: { webPage: true },
+  // Page tracking tracks a single event when the page loads.
+  pageTrackingEnabled: false,
+  // Activity tracking tracks when a user is still interacting with the page.
+  // Events like scrolling and mouse movements are used to determine if the
+  // user has the tab active and is still actively engaging.
+  activityTrackingEnabled: false,
+};
+
 const extractData = (el, opts = {}) => {
   const { trackEvent, trackLabel = '', trackProperty = '' } = el.dataset;
   let trackValue = el.dataset.trackValue || el.value || '';
@@ -71,3 +89,13 @@ export default class Tracking {
     };
   }
 }
+
+export function initUserTracking() {
+  if (!Tracking.enabled()) return;
+
+  const opts = Object.assign({}, DEFAULT_SNOWPLOW_OPTIONS, window.snowplowOptions);
+  window.snowplow('newTracker', opts.namespace, opts.hostname, opts);
+
+  if (opts.activityTrackingEnabled) window.snowplow('enableActivityTracking', 30, 30);
+  if (opts.pageTrackingEnabled) window.snowplow('trackPageView'); // must be after enableActivityTracking
+}
diff --git a/app/views/layouts/_snowplow.html.haml b/app/views/layouts/_snowplow.html.haml
index 5f5c5e984c5..d7ff5ad1094 100644
--- a/app/views/layouts/_snowplow.html.haml
+++ b/app/views/layouts/_snowplow.html.haml
@@ -7,23 +7,4 @@
     };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
     n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","#{asset_url('snowplow/sp.js')}","snowplow"));
 
-    window.snowplow('newTracker', '#{Gitlab::SnowplowTracker::NAMESPACE}', '#{Gitlab::CurrentSettings.snowplow_collector_hostname}', {
-      appId: '#{Gitlab::CurrentSettings.snowplow_site_id}',
-      cookieDomain: '#{Gitlab::CurrentSettings.snowplow_cookie_domain}',
-      userFingerprint: false,
-      respectDoNotTrack: true,
-      forceSecureTracker: true,
-      post: true,
-      contexts: { webPage: true },
-      stateStorageStrategy: "localStorage"
-    });
-
-    window.snowplow('enableActivityTracking', 30, 30);
-    window.snowplow('trackPageView');
-
-- return unless Feature.enabled?(:additional_snowplow_tracking, @group)
-
-= javascript_tag nonce: true do
-  :plain
-    window.snowplow('enableFormTracking');
-    window.snowplow('enableLinkClickTracking');
+    window.snowplowOptions = #{Gitlab::Tracking.snowplow_options(@group).to_json}
-- 
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