Add navbar link, page, and button

Add route for group repositories analytics
Add page with download button
Add link to page in sidebar analytics section

ee/app/controllers/groups/repositories_analytics_controller.rb

+# frozen_string_literal: true
+
+class Groups::RepositoriesAnalyticsController < Groups::ApplicationController
+end

ee/app/helpers/ee/analytics/navbar_helper.rb

@@ -18,6 +18,7 @@ module EE
       override :group_analytics_navbar_links
       def group_analytics_navbar_links(group, current_user)
         super + [
+          repositories_analytics_navbar_link(group, current_user),
           contribution_analytics_navbar_link(group, current_user),
           group_insights_navbar_link(group, current_user),
           issues_analytics_navbar_link(group, current_user),
@@ -134,6 +135,16 @@ module EE
           link: project_analytics_code_reviews_path(project)
         )
       end
+
+      def repositories_analytics_navbar_link(group, current_user)
+        return unless group_sidebar_link?(:repositories_analytics)
+
+        navbar_sub_item(
+          title: _('Repositories'),
+          path: 'groups/repositories_analytics#show',
+          link: group_repositories_analytics_path(group)
+        )
+      end
     end
   end
 end

ee/app/helpers/ee/groups_helper.rb

@@ -150,6 +150,10 @@ module EE
         links << :iterations
       end
 
+      if true
+        links << :repositories_analytics
+      end
+
       links
     end
   end

ee/app/views/groups/repositories_analytics/show.html.haml

+- page_title _("Repositories Analytics")
+
+.mb-3.border-bottom
+  %h3
+    = _("Repositories Analytics")
+
+.d-flex.justify-content-between.align-items-center
+  %h4.sub-header
+    = _("Test Code Coverage")
+  = link_to _("Download historic test coverage data (.csv)"), group_analytics_coverage_reports_path(@group, format: :csv), class: 'btn btn-sm'

ee/config/routes/group.rb

@@ -21,6 +21,7 @@ constraints(::Constraints::GroupUrlConstrainer.new) do
 
     get '/analytics', to: redirect('groups/%{group_id}/-/contribution_analytics')
     resource :contribution_analytics, only: [:show]
+    resource :repositories_analytics, only: [:show]
 
     namespace :analytics do
       resource :productivity_analytics, only: :show, constraints: -> (req) { Gitlab::Analytics.productivity_analytics_enabled? }

locale/gitlab.pot

@@ -8994,6 +8994,9 @@ msgstr ""
 msgid "Download export"
 msgstr ""
 
+msgid "Download historic test coverage data (.csv)"
+msgstr ""
+
 msgid "Download image"
 msgstr ""
 
@@ -21075,6 +21078,9 @@ msgstr ""
 msgid "Repositories"
 msgstr ""
 
+msgid "Repositories Analytics"
+msgstr ""
+
 msgid "Repository"
 msgstr ""
 
@@ -24574,6 +24580,9 @@ msgstr ""
 msgid "Test Cases"
 msgstr ""
 
+msgid "Test Code Coverage"
+msgstr ""
+
 msgid "Test cases are not available for this project"
 msgstr ""