Add top navigation analytics link

Includes 'More' dropdown link.

app/views/layouts/nav/_dashboard.html.haml

@@ -32,6 +32,8 @@
       = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets qa-snippets-link' do
         = _('Snippets')
 
+  = render_if_exists 'layouts/nav/sidebar/analytics_link'
+
   - if any_dashboard_nav_link?([:groups, :milestones, :activity, :snippets])
     %li.header-more.dropdown.d-xl-none{ class: ('d-lg-none' unless has_extra_nav_icons?) }
       %a{ href: "#", data: { toggle: "dropdown" } }
@@ -53,6 +55,9 @@
             = nav_link(controller: 'dashboard/snippets') do
               = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets' do
                 = _('Snippets')
+
+          = render_if_exists 'layouts/nav/sidebar/analytics_more_link'
+
           %li.dropdown.d-lg-none
             = render_if_exists 'dashboard/operations/nav_link_list'
           - if can?(current_user, :read_instance_statistics)

ee/app/helpers/ee/dashboard_helper.rb

@@ -2,6 +2,8 @@
 
 module EE
   module DashboardHelper
+    extend ::Gitlab::Utils::Override
+
     def controller_action_to_child_dashboards(controller = controller_name, action = action_name)
       case "#{controller}##{action}"
       when 'projects#index', 'root#index', 'projects#starred', 'projects#trending'
@@ -28,5 +30,14 @@ module EE
     def has_start_trial?
       !current_license && current_user.admin?
     end
+
+    private
+
+    override :get_dashboard_nav_links
+    def get_dashboard_nav_links
+      super.tap do |links|
+        links << :analytics if ::Feature.enabled?(:analytics)
+      end
+    end
   end
 end

ee/app/helpers/ee/tab_helper.rb

@@ -12,5 +12,9 @@ module EE
         super
       end
     end
+
+    def analytics_controllers
+      ['analytics/productivity_analytics', 'analytics/cycle_analytics']
+    end
   end
 end

ee/app/views/layouts/nav/sidebar/_analytics_link.html.haml

+- if dashboard_nav_link?(:analytics)
+  = nav_link(controller: analytics_controllers, html_options: { class: "d-none d-xl-block" }) do
+    = link_to analytics_root_path do
+      = _('Analytics')
+

ee/app/views/layouts/nav/sidebar/_analytics_more_link.html.haml

+- if dashboard_nav_link?(:analytics)
+  = nav_link(controller: analytics_controllers) do
+    = link_to analytics_root_path do
+      = _('Analytics')

ee/changelogs/unreleased/analytics-top-nav.yml

+---
+title: Add analytics top navigation link
+merge_request: 14377
+author:
+type: added

ee/spec/helpers/ee/dashboard_helper_spec.rb

@@ -3,6 +3,35 @@
 require 'spec_helper'
 
 describe DashboardHelper, type: :helper do
+  let(:user) { build(:user) }
+
+  before do
+    allow(helper).to receive(:current_user).and_return(user)
+    allow(helper).to receive(:can?) { true }
+  end
+
+  describe '#dashboard_nav_links' do
+    context 'when analytics is enabled' do
+      before do
+        stub_feature_flags(analytics: true)
+      end
+
+      it 'includes analytics' do
+        expect(helper.dashboard_nav_links).to include(:analytics)
+      end
+    end
+
+    context 'when analytics is disabled' do
+      before do
+        stub_feature_flags(analytics: false)
+      end
+
+      it 'does not include analytics' do
+        expect(helper.dashboard_nav_links).not_to include(:analytics)
+      end
+    end
+  end
+
   describe '.has_start_trial?' do
     using RSpec::Parameterized::TableSyntax
 

spec/helpers/dashboard_helper_spec.rb

@@ -12,7 +12,7 @@ describe DashboardHelper do
     it 'has all the expected links by default' do
       menu_items = [:projects, :groups, :activity, :milestones, :snippets]
 
-      expect(helper.dashboard_nav_links).to contain_exactly(*menu_items)
+      expect(helper.dashboard_nav_links).to include(*menu_items)
     end
 
     it 'does not contain cross project elements when the user cannot read cross project' do