Correct display of billable users on users statistics page

Use correct calculation for billable users row
Add active users row

app/models/users_statistics.rb

@@ -70,3 +70,5 @@ class UsersStatistics < ApplicationRecord
     end
   end
 end
+
+UsersStatistics.prepend_if_ee('EE::UsersStatistics')

app/views/admin/dashboard/_billable_users_text.html.haml

-= s_('AdminArea|Active users')

app/views/admin/dashboard/stats.html.haml

@@ -50,10 +50,11 @@
       = s_('AdminArea|Bots')
     %td.p-3.text-right
       = @users_statistics&.bots.to_i
+  = render_if_exists 'admin/dashboard/billable_users_row'
   %tr.bg-gray-light.gl-text-gray-900
     %td.p-3
       %strong
-        = render_if_exists 'admin/dashboard/billable_users_text'
+        = s_('AdminArea|Active users')
     %td.p-3.text-right
       %strong
         = @users_statistics&.active.to_i

ee/app/models/ee/users_statistics.rb

+# frozen_string_literal: true
+
+module EE
+  module UsersStatistics
+    def billable
+      (base_billable_users + guest_billable_users).sum
+    end
+
+    private
+
+    def base_billable_users
+      [
+        with_highest_role_reporter,
+        with_highest_role_developer,
+        with_highest_role_maintainer,
+        with_highest_role_owner
+      ]
+    end
+
+    def guest_billable_users
+      if License.current&.exclude_guests_from_active_count?
+        []
+      else
+        [without_groups_and_projects, with_highest_role_guest]
+      end
+    end
+  end
+end

ee/app/views/admin/dashboard/_billable_users_row.html.haml

+- billable_users_url = help_page_path('subscriptions/self_managed/index', anchor: 'billable-users')
+- billable_users_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer nofollow">'.html_safe % { url: billable_users_url }
+
+%tr
+  %td.p-3
+    = s_('AdminArea|Billable users')
+    %span.gl-outline-0.gl-ml-2{ href: "#", tabindex: "0", role: "button", data: { container: "body",
+      toggle: "popover",
+      placement: "top",
+      html: "true",
+      trigger: "focus",
+      content: s_("AdminArea|%{billable_users_link_start}Learn more%{billable_users_link_end} about what defines a billable user").html_safe % { billable_users_link_start: billable_users_link_start, billable_users_link_end: '</a>'.html_safe } } }
+      = sprite_icon('question', size: 16, css_class: 'gl-text-gray-700')
+  %td.p-3.text-right
+    = @users_statistics&.billable.to_i

ee/app/views/admin/dashboard/_billable_users_text.html.haml

-- billable_users_url = help_page_path('subscriptions/self_managed/index', anchor: 'billable-users')
-- billable_users_link_start = '<a href="%{url}" target="_blank" rel="noopener noreferrer nofollow">'.html_safe % { url: billable_users_url }
-
-= s_('AdminArea|Billable users')
-%span.gl-outline-0.gl-ml-2{ href: "#", tabindex: "0", role: "button", data: { container: "body",
-  toggle: "popover",
-  placement: "top",
-  html: "true",
-  trigger: "focus",
-  content: s_("AdminArea|%{billable_users_link_start}Learn more%{billable_users_link_end} about what defines a billable user").html_safe % { billable_users_link_start: billable_users_link_start, billable_users_link_end: '</a>'.html_safe } } }
-  = sprite_icon('question', size: 16, css_class: 'gl-text-gray-700')

ee/changelogs/unreleased/users-statistics-page-updates.yml

+---
+title: Correct billable users calculation on users statistics page
+merge_request: 56152
+author:
+type: fixed

ee/spec/features/admin/admin_dashboard_spec.rb

@@ -66,9 +66,10 @@ RSpec.describe 'Admin Dashboard' do
       expect(page).to have_content("Users with highest role Maintainer 6")
       expect(page).to have_content("Users with highest role Owner 5")
       expect(page).to have_content("Bots 2")
+      expect(page).to have_content("Billable users 69")
+      expect(page).to have_content("Active users 71")
       expect(page).to have_content("Blocked users 7")
       expect(page).to have_content("Total users 78")
-      expect(page).to have_content("Billable users 71")
     end
   end
 end

ee/spec/models/users_statistics_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe UsersStatistics do
+  let(:users_statistics) { build(:users_statistics) }
+
+  describe '#billable' do
+    it 'sums users statistics values excluding blocked users and bots' do
+      expect(users_statistics.billable).to eq(69)
+    end
+
+    context 'when there is an ultimate license' do
+      before do
+        license = create(:license, plan: License::ULTIMATE_PLAN)
+        allow(License).to receive(:current).and_return(license)
+      end
+
+      it 'excludes blocked users, bots, guest users, and users without a group or project' do
+        expect(users_statistics.billable).to eq(41)
+      end
+    end
+  end
+end

spec/features/admin/dashboard_spec.rb

@@ -30,7 +30,6 @@ RSpec.describe 'admin visits dashboard' do
 
   describe 'Users statistic' do
     let_it_be(:users_statistics) { create(:users_statistics) }
-    let_it_be(:users_count_label) { Gitlab.ee? ? 'Billable users 71' : 'Active users 71' }
 
     it 'shows correct amounts of users', :aggregate_failures do
       visit admin_dashboard_stats_path
@@ -42,9 +41,16 @@ RSpec.describe 'admin visits dashboard' do
       expect(page).to have_content('Users with highest role Maintainer 6')
       expect(page).to have_content('Users with highest role Owner 5')
       expect(page).to have_content('Bots 2')
+
+      if Gitlab.ee?
+        expect(page).to have_content('Billable users 69')
+      else
+        expect(page).not_to have_content('Billable users 69')
+      end
+
       expect(page).to have_content('Blocked users 7')
       expect(page).to have_content('Total users 78')
-      expect(page).to have_content(users_count_label)
+      expect(page).to have_content('Active users 71')
     end
   end
 end