From 4382bf2c826aabba9807ce58f973a28db6f92f09 Mon Sep 17 00:00:00 2001
From: James Chan <james.chan@digital.cabinet-office.gov.uk>
Date: Wed, 21 Jun 2023 23:06:40 +0100
Subject: [PATCH] Add ga4 link tracking to topic lists on services and
 information pages

---
 .../_grouped_links.html.erb                   |  2 +-
 .../services_and_information/index.html.erb   |  2 +-
 .../services_and_information_browsing_spec.rb | 34 ++++++++++++++++++-
 3 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/app/views/services_and_information/_grouped_links.html.erb b/app/views/services_and_information/_grouped_links.html.erb
index 051d284e1..ed423d58d 100644
--- a/app/views/services_and_information/_grouped_links.html.erb
+++ b/app/views/services_and_information/_grouped_links.html.erb
@@ -13,7 +13,7 @@
       <%
         list_item_count = group.see_more_link ? group.examples.count + 1 : group.examples.count
         tracking_attributes = topic_list_tracking_attributes(list_item_count, group_index, 'navServicesInformationLinkClicked')
-        topic_list_component_params = topic_list_params(group.examples, tracking_attributes: tracking_attributes)
+        topic_list_component_params = topic_list_params(group.examples, list_index: group_index, tracking_attributes: tracking_attributes, list_count: grouped_links.count, list_title: group.title)
 
         if group.see_more_link
           link = group.see_more_link.clone
diff --git a/app/views/services_and_information/index.html.erb b/app/views/services_and_information/index.html.erb
index 8b431946f..8206990c5 100644
--- a/app/views/services_and_information/index.html.erb
+++ b/app/views/services_and_information/index.html.erb
@@ -10,6 +10,6 @@
       } %>
 </header>
 
-<div class="browse-container full-width" data-module="gem-track-click">
+<div class="browse-container full-width" data-module="gem-track-click ga4-link-tracker">
   <%= render partial: 'grouped_links', locals: { grouped_links: grouped_links } %>
 </div>
diff --git a/spec/features/services_and_information_browsing_spec.rb b/spec/features/services_and_information_browsing_spec.rb
index ac7e80c1a..9a30e9115 100644
--- a/spec/features/services_and_information_browsing_spec.rb
+++ b/spec/features/services_and_information_browsing_spec.rb
@@ -34,7 +34,7 @@
   scenario "includes tracking attributes on all links" do
     visit "/government/organisations/hm-revenue-customs/services-information"
 
-    expect(page).to have_selector('.browse-container[data-module="gem-track-click"]')
+    expect(page).to have_selector('.browse-container[data-module="gem-track-click ga4-link-tracker"]')
 
     within ".govuk-grid-row:first-child .app-c-topic-list" do
       content_item_link = page.first("li a")
@@ -70,4 +70,36 @@
       expect(data_options["dimension29"]).to eq(content_item_link.text)
     end
   end
+
+  scenario "includes GA4 tracking attributes on all links" do
+    visit "/government/organisations/hm-revenue-customs/services-information"
+
+    expect(page).to have_selector('.browse-container[data-module="gem-track-click ga4-link-tracker"]')
+
+    within ".govuk-grid-row:first-child .app-c-topic-list" do
+      content_item_link = page.first("li a")
+      ga4_data = JSON.parse(content_item_link["data-ga4-link"])
+
+      expect(ga4_data["event_name"]).to eq "navigation"
+      expect(ga4_data["type"]).to eq "document list"
+      expect(ga4_data["index"]["index_link"]).to eq 1
+      expect(ga4_data["index"]["index_section"]).to eq 1
+      expect(ga4_data["index"]["index_section_count"]).to eq 2
+      expect(ga4_data["index_total"]).to eq 5
+      expect(ga4_data["section"]).to eq "Environmental permits"
+    end
+
+    within ".govuk-grid-row:nth-child(2) .app-c-topic-list" do
+      content_item_link = page.first("li a")
+      ga4_data = JSON.parse(content_item_link["data-ga4-link"])
+
+      expect(ga4_data["event_name"]).to eq "navigation"
+      expect(ga4_data["type"]).to eq "document list"
+      expect(ga4_data["index"]["index_link"]).to eq 1
+      expect(ga4_data["index"]["index_section"]).to eq 2
+      expect(ga4_data["index"]["index_section_count"]).to eq 2
+      expect(ga4_data["index_total"]).to eq 5
+      expect(ga4_data["section"]).to eq "Waste"
+    end
+  end
 end