Add UsageData for designs added/removed from issue

Adds three new UsageData unique events for Issue Designs:

- design added to issue
- design modified in issue
- design removed from issue

app/services/design_management/delete_designs_service.rb

@@ -16,6 +16,7 @@ module DesignManagement
 
       version = delete_designs!
       EventCreateService.new.destroy_designs(designs, current_user)
+      Gitlab::UsageDataCounters::IssueActivityUniqueCounter.track_issue_designs_removed_action(author: current_user)
 
       success(version: version)
     end

app/services/design_management/save_designs_service.rb

@@ -66,7 +66,7 @@ module DesignManagement
 
       action = new_file?(design) ? :create : :update
       on_success do
-        ::Gitlab::UsageDataCounters::DesignsCounter.count(action)
+        track_usage_metrics(action)
       end
 
       DesignManagement::DesignAction.new(design, action, content)
@@ -128,6 +128,16 @@ module DesignManagement
         end
       end
     end
+
+    def track_usage_metrics(action)
+      if action == :update
+        ::Gitlab::UsageDataCounters::IssueActivityUniqueCounter.track_issue_designs_modified_action(author: current_user)
+      else
+        ::Gitlab::UsageDataCounters::IssueActivityUniqueCounter.track_issue_designs_added_action(author: current_user)
+      end
+
+      ::Gitlab::UsageDataCounters::DesignsCounter.count(action)
+    end
   end
 end
 

changelogs/unreleased/229918-issue_data_designs.yml

+---
+title: Added UsageData metrics for Issue designs' usage
+merge_request: 44373
+author:
+type: added

lib/gitlab/usage_data_counters/issue_activity_unique_counter.rb

@@ -27,6 +27,9 @@ module Gitlab
       ISSUE_ADDED_TO_EPIC = 'g_project_management_issue_added_to_epic'
       ISSUE_REMOVED_FROM_EPIC = 'g_project_management_issue_removed_from_epic'
       ISSUE_CHANGED_EPIC = 'g_project_management_issue_changed_epic'
+      ISSUE_DESIGNS_ADDED = 'g_project_management_issue_designs_added'
+      ISSUE_DESIGNS_MODIFIED = 'g_project_management_issue_designs_modified'
+      ISSUE_DESIGNS_REMOVED = 'g_project_management_issue_designs_removed'
 
       class << self
         def track_issue_created_action(author:, time: Time.zone.now)
@@ -117,6 +120,18 @@ module Gitlab
           track_unique_action(ISSUE_CHANGED_EPIC, author, time)
         end
 
+        def track_issue_designs_added_action(author:, time: Time.zone.now)
+          track_unique_action(ISSUE_DESIGNS_ADDED, author, time)
+        end
+
+        def track_issue_designs_modified_action(author:, time: Time.zone.now)
+          track_unique_action(ISSUE_DESIGNS_MODIFIED, author, time)
+        end
+
+        def track_issue_designs_removed_action(author:, time: Time.zone.now)
+          track_unique_action(ISSUE_DESIGNS_REMOVED, author, time)
+        end
+
         private
 
         def track_unique_action(action, author, time)

lib/gitlab/usage_data_counters/known_events.yml

@@ -279,3 +279,15 @@
   category: issues_edit
   redis_slot: project_management
   aggregation: daily
+- name: g_project_management_issue_designs_added
+  category: issues_edit
+  redis_slot: project_management
+  aggregation: daily
+- name: g_project_management_issue_designs_modified
+  category: issues_edit
+  redis_slot: project_management
+  aggregation: daily
+- name: g_project_management_issue_designs_removed
+  category: issues_edit
+  redis_slot: project_management
+  aggregation: daily

spec/lib/gitlab/usage_data_counters/issue_activity_unique_counter_spec.rb

@@ -232,6 +232,36 @@ RSpec.describe Gitlab::UsageDataCounters::IssueActivityUniqueCounter, :clean_git
     end
   end
 
+  context 'for Issue designs added actions' do
+    it_behaves_like 'tracks and counts action' do
+      let(:action) { described_class::ISSUE_DESIGNS_ADDED }
+
+      def track_action(params)
+        described_class.track_issue_designs_added_action(**params)
+      end
+    end
+  end
+
+  context 'for Issue designs modified actions' do
+    it_behaves_like 'tracks and counts action' do
+      let(:action) { described_class::ISSUE_DESIGNS_MODIFIED }
+
+      def track_action(params)
+        described_class.track_issue_designs_modified_action(**params)
+      end
+    end
+  end
+
+  context 'for Issue designs removed actions' do
+    it_behaves_like 'tracks and counts action' do
+      let(:action) { described_class::ISSUE_DESIGNS_REMOVED }
+
+      def track_action(params)
+        described_class.track_issue_designs_removed_action(**params)
+      end
+    end
+  end
+
   it 'can return the count of actions per user deduplicated', :aggregate_failures do
     described_class.track_issue_title_changed_action(author: user1)
     described_class.track_issue_description_changed_action(author: user1)

spec/services/design_management/delete_designs_service_spec.rb

@@ -80,6 +80,16 @@ RSpec.describe DesignManagement::DeleteDesignsService do
           expect { run_service rescue nil }
             .not_to change { [counter.totals, Event.count] }
         end
+
+        it 'does not log any UsageData metrics' do
+          redis_hll = ::Gitlab::UsageDataCounters::HLLRedisCounter
+          event = Gitlab::UsageDataCounters::IssueActivityUniqueCounter::ISSUE_DESIGNS_REMOVED
+
+          expect { run_service rescue nil }
+            .not_to change { redis_hll.unique_events(event_names: event, start_date: 1.day.ago, end_date: 1.day.from_now) }
+
+          run_service rescue nil
+        end
       end
 
       context 'one design is passed' do
@@ -98,6 +108,12 @@ RSpec.describe DesignManagement::DeleteDesignsService do
           expect { run_service }.to change { counter.read(:delete) }.by(1)
         end
 
+        it 'updates UsageData for removed designs' do
+          expect(Gitlab::UsageDataCounters::IssueActivityUniqueCounter).to receive(:track_issue_designs_removed_action).with(author: user)
+
+          run_service
+        end
+
         it 'creates an event in the activity stream' do
           expect { run_service }
             .to change { Event.count }.by(1)

spec/services/design_management/save_designs_service_spec.rb

@@ -102,9 +102,11 @@ RSpec.describe DesignManagement::SaveDesignsService do
         end
       end
 
-      it 'creates a commit, an event in the activity stream and updates the creation count' do
+      it 'creates a commit, an event in the activity stream and updates the creation count', :aggregate_failures do
         counter = Gitlab::UsageDataCounters::DesignsCounter
 
+        expect(Gitlab::UsageDataCounters::IssueActivityUniqueCounter).to receive(:track_issue_designs_added_action).with(author: user)
+
         expect { run_service }
           .to change { Event.count }.by(1)
           .and change { Event.for_design.created_action.count }.by(1)
@@ -190,6 +192,12 @@ RSpec.describe DesignManagement::SaveDesignsService do
           expect(updated_designs.first.versions.size).to eq(2)
         end
 
+        it 'updates UsageData for changed designs' do
+          expect(Gitlab::UsageDataCounters::IssueActivityUniqueCounter).to receive(:track_issue_designs_modified_action).with(author: user)
+
+          run_service
+        end
+
         it 'records the correct events' do
           counter = Gitlab::UsageDataCounters::DesignsCounter
           expect { run_service }