Tracking data point for Notes::CreateService

- Tracks all saved notes created via Notes::CreateService#execute
- Distinct label for anonymous visual review notes

app/services/notes/create_service.rb

@@ -42,6 +42,10 @@ module Notes
         clear_noteable_diffs_cache(note)
         Suggestions::CreateService.new(note).execute
         increment_usage_counter(note)
+
+        if Feature.enabled?(:notes_create_service_tracking, project)
+          Gitlab::Tracking.event('Notes::CreateService', 'execute', tracking_data_for(note))
+        end
       end
 
       if quick_actions_service.commands_executed_count.to_i > 0
@@ -59,5 +63,16 @@ module Notes
 
       note
     end
+
+    private
+
+    def tracking_data_for(note)
+      label = Gitlab.ee? && note.author == User.visual_review_bot ? 'anonymous_visual_review_note' : 'note'
+
+      {
+        label: label,
+        value: note.id
+      }
+    end
   end
 end

ee/spec/requests/api/visual_review_discussions_spec.rb

@@ -22,6 +22,28 @@ describe API::VisualReviewDiscussions do
       expect { request }.to change(merge_request.notes, :count).by(1)
     end
 
+    it 'tracks a visual review feedback event' do
+      expect(Gitlab::Tracking).to receive(:event) do |category, action, data|
+        expect(category).to eq('Notes::CreateService')
+        expect(action).to eq('execute')
+        expect(data[:label]).to eq('anonymous_visual_review_note')
+        expect(data[:value]).to be_an(Integer)
+      end
+
+      request
+    end
+
+    context 'with notes_create_service_tracking feature flag disabled' do
+      before do
+        stub_feature_flags(notes_create_service_tracking: false)
+      end
+
+      it 'does not track any events' do
+        expect(Gitlab::Tracking).not_to receive(:event)
+        request
+      end
+    end
+
     describe 'the API response' do
       before do
         request

spec/support/shared_examples/requests/api/discussions.rb

@@ -117,6 +117,29 @@ shared_examples 'discussions API' do |parent_type, noteable_type, id_name, can_r
       expect(response).to have_gitlab_http_status(401)
     end
 
+    it 'tracks a Notes::CreateService event' do
+      expect(Gitlab::Tracking).to receive(:event) do |category, action, data|
+        expect(category).to eq('Notes::CreateService')
+        expect(action).to eq('execute')
+        expect(data[:label]).to eq('note')
+        expect(data[:value]).to be_an(Integer)
+      end
+
+      post api("/#{parent_type}/#{parent.id}/#{noteable_type}/#{noteable[id_name]}/discussions", user), params: { body: 'hi!' }
+    end
+
+    context 'with notes_create_service_tracking feature flag disabled' do
+      before do
+        stub_feature_flags(notes_create_service_tracking: false)
+      end
+
+      it 'does not track any events' do
+        expect(Gitlab::Tracking).not_to receive(:event)
+
+        post api("/#{parent_type}/#{parent.id}/#{noteable_type}/#{noteable[id_name]}/discussions"), params: { body: 'hi!' }
+      end
+    end
+
     context 'when an admin or owner makes the request' do
       it 'accepts the creation date to be set' do
         creation_time = 2.weeks.ago