Add Google Analytics 4 script (#791)

atilafb · web-flow · commit 7fe0aeab27f8 · 2022-06-14T09:27:10.000-03:00
* feat: add google analytics 4 script

* chore: add new variable in app.json

* feat: move script logic to a partial
diff --git a/.env.sample b/.env.sample
@@ -28,3 +28,4 @@ PUSHER_PORT="8888"
 PUSHER_WS_HOST="127.0.0.1"
 PUSHER_WS_PORT="45449"
 EARLY_V2_EMAIL="@codeminer42.com"
+GOOGLE_ANALYTICS_ID=
diff --git a/app.json b/app.json
@@ -75,6 +75,9 @@
     },
     "CLOUDINARY_UPLOAD_PRESET": {
       "required": true
+    },
+    "GOOGLE_ANALYTICS_ID": {
+      "required": false
     }
   },
   "formation": {
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -10,6 +10,7 @@
   <%= stylesheet_link_tag "https://www.authy.com/form.authy.min.css" %>
   <%= stylesheet_link_tag "https://fonts.googleapis.com/css?family=Noto+Sans:400,700" %>
   <%= stylesheet_link_tag "https://use.fontawesome.com/releases/v5.5.0/css/all.css" %>
+  <%= render 'shared/google_analytics'%>
 </head>
 <body class='<%= "board" if @layout_settings[:fluid] %>'
       data-page='<%= "#{params[:controller]}.#{params[:action]}" %>'
diff --git a/app/views/shared/_google_analytics.html.erb b/app/views/shared/_google_analytics.html.erb
@@ -0,0 +1,11 @@
+<% if ENV['GOOGLE_ANALYTICS_ID'] %>
+  <!-- Global site tag (gtag.js) - Google Analytics -->
+  <script async src="https://www.googletagmanager.com/gtag/js?id=<%= ENV['GOOGLE_ANALYTICS_ID'] %>"></script>
+  <script>
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+
+    gtag('config', '<%= ENV['GOOGLE_ANALYTICS_ID'] %>');
+  </script>
+<% end %>
