feat(service): collect google analytics data

DFE-Digital · Nov 24, 2023 · 05d691f · 05d691f
1 parent 11ba40b
commit 05d691f
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Showing 6 changed files with 31 additions and 26 deletions.
diff --git a/app/assets/config/manifest.js b/app/assets/config/manifest.js
@@ -2,4 +2,3 @@
 //= link_tree ../../javascript/faf
 //= link_tree ../../javascript/misc
 //= link_tree ../../javascript/request
-//= link_tree ../../javascript/google-tag-manager
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
@@ -25,7 +25,7 @@ def maintenance
 
 protected
 
-  helper_method :current_user, :cookie_policy, :record_ga?, :engagement_portal?, :support_portal?, :frameworks_portal?, :current_url_b64
+  helper_method :current_user, :cookie_policy, :internal_portal?, :google_analytics_id, :hosted_development?, :hosted_staging?, :record_ga?, :engagement_portal?, :support_portal?, :frameworks_portal?, :current_url_b64
 
   # @return [User, Guest]
   #
@@ -79,8 +79,34 @@ def portal_namespace
     :none
   end
 
+  def google_analytics_id
+    if hosted_development?
+      "G-JHQ4K916N1"
+    elsif hosted_staging?
+      "G-8770N0RLNE"
+    elsif hosted_production?
+      "G-PT4157VC9D"
+    end
+  end
+
+  def internal_portal?
+    support_portal? || engagement_portal? || frameworks_portal?
+  end
+
+  def hosted_development?
+    request.url.starts_with?("https://dev.")
+  end
+
+  def hosted_production?
+    request.url.starts_with?("https://www.")
+  end
+
+  def hosted_staging?
+    request.url.starts_with?("https://staging.")
+  end
+
   def record_ga?
-    !(support_portal? || engagement_portal? || frameworks_portal?)
+    google_analytics_id.present? && (internal_portal? || cookie_policy.accepted?)
   end
 
   def cookie_policy

diff --git a/app/javascript/google-tag-manager/activate.js b/app/javascript/google-tag-manager/activate.js
diff --git a/app/javascript/google-tag-manager/include.js b/app/javascript/google-tag-manager/include.js
diff --git a/app/views/cookie_preferences/update_cookies_accepted.js.erb b/app/views/cookie_preferences/update_cookies_accepted.js.erb
@@ -1,4 +1,2 @@
 document.getElementById("cookie-step-1").setAttribute("hidden", true);
 document.getElementById("cookie-step-accepted").removeAttribute("hidden");
-
-window.setupGoogleTagManager();
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -2,12 +2,8 @@
 <html lang="en" class="govuk-template ">
 
   <head>
-    <% if Rails.env.production? && record_ga? %>
-      <%= javascript_include_tag "google-tag-manager/include" %>
-
-      <% if cookie_policy.accepted? %>
-        <%= javascript_include_tag "google-tag-manager/activate" %>
-      <% end %>
+    <% if record_ga? %>
+      <!-- Google tag (gtag.js) --> <script async nonce=<%= content_security_policy_nonce%> src="https://www.googletagmanager.com/gtag/js?id=<%= google_analytics_id %>"></script> <script nonce=<%= content_security_policy_nonce%>> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', "<%= google_analytics_id %>"); </script>
     <% end %>
 
     <% if Rails.env.production? && ENV['ApplicationInsights__ConnectionString'].present? %>
@@ -57,18 +53,12 @@
   </head>
 
   <body class="govuk-template__body">
-    <% if Rails.env.production? && record_ga? && cookie_policy.accepted? %>
-      <!-- Google Tag Manager (noscript) -->
-      <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PBXQDGR"
-      height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
-      <!-- End Google Tag Manager (noscript) -->
-    <% end %>
 
     <%= javascript_tag nonce: true do -%>
       document.body.className = ((document.body.className) ? document.body.className + ' js-enabled' : 'js-enabled');
     <% end -%>
 
-    <% if record_ga? %>
+    <% unless internal_portal? %>
       <%= render "cookie_preferences/banner" %>
     <% end %>