Record onboarding progress for scoped labels

Records usage of scoped labels for the onboarding progress. This is
implemented in EE because scoped labels are EE only.

app/services/labels/create_service.rb

@@ -25,3 +25,5 @@ module Labels
     end
   end
 end
+
+Labels::CreateService.prepend_if_ee('EE::Labels::CreateService')

ee/app/services/ee/labels/create_service.rb

+# frozen_string_literal: true
+
+module EE
+  module Labels
+    module CreateService
+      extend ::Gitlab::Utils::Override
+
+      override :execute
+      def execute(target_params)
+        label = super
+
+        if label.respond_to?(:group) && label.persisted? && label.scoped_label?
+          OnboardingProgressService.new(label.group).execute(action: :scoped_label_created)
+        end
+
+        label
+      end
+    end
+  end
+end

ee/spec/services/ee/labels/create_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Labels::CreateService do
+  describe '#execute' do
+    let_it_be(:project) { create(:project) }
+    let_it_be(:namespace) { create(:group) }
+    let(:params) do
+      {
+        title: title,
+        color: '#000000'
+      }
+    end
+
+    subject { described_class.new(params).execute(execute_params) }
+
+    context 'for scoped labels' do
+      let(:title) { 'scoped::label' }
+
+      context 'for a project' do
+        let(:execute_params) { { project: project } }
+        let(:namespace) { project.group }
+
+        it_behaves_like 'records an onboarding progress action', :scoped_label_created
+      end
+
+      context 'for a group' do
+        let(:execute_params) { { group: namespace } }
+
+        it_behaves_like 'records an onboarding progress action', :scoped_label_created
+      end
+
+      context 'without a group or project' do
+        let(:execute_params) { {} }
+
+        it_behaves_like 'does not record an onboarding progress action'
+      end
+    end
+
+    context 'without scoped label' do
+      let(:title) { 'not scoped label' }
+      let(:execute_params) { { group: namespace } }
+
+      it_behaves_like 'does not record an onboarding progress action'
+    end
+  end
+end

spec/support/shared_examples/services/onboarding_progress_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'records an onboarding progress action' do |action|
+  include AfterNextHelpers
+
+  it do
+    expect_next(OnboardingProgressService, namespace)
+      .to receive(:execute).with(action: action).and_call_original
+
+    subject
+  end
+end
+
+RSpec.shared_examples 'does not record an onboarding progress action' do
+  it do
+    expect(OnboardingProgressService).not_to receive(:new)
+
+    subject
+  end
+end