From 995e2c4a8034c4d855e63a207e68445c04e26d61 Mon Sep 17 00:00:00 2001
From: denStrigo <d.strigo@akveo.com>
Date: Fri, 23 Nov 2018 18:54:28 +0300
Subject: [PATCH] fix(analytics): update analytics service, add google tag
 manager support

---
 src/app/@core/utils/analytics.service.ts | 18 +++++++++++++-----
 src/index.html                           |  3 +++
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/app/@core/utils/analytics.service.ts b/src/app/@core/utils/analytics.service.ts
index 6772fdea..f5484ab4 100644
--- a/src/app/@core/utils/analytics.service.ts
+++ b/src/app/@core/utils/analytics.service.ts
@@ -22,19 +22,27 @@ export class AnalyticsService {
         filter((event) => event instanceof NavigationEnd),
       )
         .subscribe(() => {
-          ga('send', {hitType: 'pageview', page: this.location.path()});
+          this.gtm({'pageview': this.location.path()});
         });
     }
   }
 
   trackEvent(eventName: string, eventVal: string = '') {
-    if (this.enabled && this.window.ga) {
-      ga('send', 'event', eventName, eventVal);
+    if (this.enabled) {
+      this.gtm({ event: eventName, value: eventVal });
     }
+  }
 
-    if (!this.window.ga) {
+  private isGaLoaded() {
+    return this.window.ga;
+  }
+
+  private gtm(params) {
+    if (this.isGaLoaded()) {
+      this.window.dataLayer.push(params);
+    } else {
       setTimeout(() => {
-        this.trackEvent(eventName, eventVal);
+        this.gtm(params);
       }, 500);
     }
   }
diff --git a/src/index.html b/src/index.html
index e79ebf31..8f6f1639 100644
--- a/src/index.html
+++ b/src/index.html
@@ -11,6 +11,9 @@
   <link rel="icon" type="image/x-icon" href="favicon.ico">
 
   <!-- Google Tag Manager -->
+  <script>
+    dataLayer = [];
+  </script>
   <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
       new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
     j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=