Cache project build count. Closes #18032

app/models/project.rb

@@ -1011,4 +1011,10 @@ class Project < ActiveRecord::Base
 
     update_attribute(:pending_delete, true)
   end
+
+  def running_or_pending_build_count
+    Rails.cache.fetch(['projects', id, 'running_or_pending_build_count'], expires_in: 60) do
+      builds.running_or_pending.count(:all)
+    end
+  end
 end

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

@@ -52,6 +52,15 @@
           = icon('ship fw')
           %span
             Pipelines
+            %span.badge.count.ci_counter= number_with_delimiter(@project.ci_commits.running_or_pending.count)
+
+    - if project_nav_tab? :builds
+      = nav_link(controller: %w(builds)) do
+        = link_to project_builds_path(@project), title: 'Builds', class: 'shortcuts-builds' do
+          = icon('cubes fw')
+          %span
+            Builds
+            %span.badge.count.builds_counter= number_with_delimiter(@project.running_or_pending_build_count)
 
     - if project_nav_tab? :container_registry
       = nav_link(controller: %w(container_registry)) do