Add bot count to Users statistics in Admin Area

Break down total user count by showing how many bots exist.

ee/app/controllers/ee/admin/dashboard_controller.rb

@@ -18,6 +18,7 @@ module EE
 
       def stats
         @roles_count = ::ProjectAuthorization.roles_stats
+        @bot_count = ::User.bots.count
       end
 
       # The license section may time out if the number of users is

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

@@ -21,3 +21,9 @@
               = sprite_icon('question', size: 16)
         %td
           = row['amount']
+
+  %tr
+    %td
+      = s_('AdminArea|Bots')
+    %td
+      = @bot_count

ee/changelogs/unreleased/add_bot_count.yml

+---
+title: Add bot count to Users statistics in Admin Area
+merge_request: 25355
+author:
+type: added

ee/spec/features/admin/admin_dashboard_spec.rb

@@ -17,6 +17,9 @@ describe 'Admin Dashboard' do
       project1.add_reporter(user)
       project2.add_developer(user)
 
+      create(:user, bot_type: :support_bot)
+      create(:user, bot_type: :alert_bot)
+
       sign_in(create(:admin))
     end
 
@@ -63,11 +66,12 @@ describe 'Admin Dashboard' do
         end
       end
 
-      it 'show correct amount of users per role' do
+      it 'shows correct amounts of users per role', :aggregate_failures do
         visit admin_dashboard_stats_path
 
         expect(page).to have_content('Users with highest role developer 2')
         expect(page).to have_content('Users with highest role reporter 1')
+        expect(page).to have_content('Bots 2')
       end
     end
   end

locale/gitlab.pot

@@ -1281,6 +1281,9 @@ msgstr ""
 msgid "Admin notes"
 msgstr ""
 
+msgid "AdminArea|Bots"
+msgstr ""
+
 msgid "AdminArea|Included Free in license"
 msgstr ""