Add additional events to customizable CA

This change defines additional events for creating customized cycle
analytics stages.

ee/lib/ee/gitlab/analytics/cycle_analytics/stage_events.rb

+# frozen_string_literal: true
+
+module EE
+  module Gitlab
+    module Analytics
+      module CycleAnalytics
+        module StageEvents
+          extend ActiveSupport::Concern
+
+          prepended do
+            extend ::Gitlab::Utils::StrongMemoize
+          end
+
+          EE_ENUM_MAPPING = {
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed => 3,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard => 4,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone => 5,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit => 6,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited => 7,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed => 105,
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited => 106
+          }.freeze
+
+          EE_EVENTS = EE_ENUM_MAPPING.keys.freeze
+
+          EE_PAIRING_RULES = {
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueCreated => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestCreated => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastBuildStarted,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastBuildFinished,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastBuildStarted => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestMerged
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastBuildFinished => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestMerged
+            ],
+            ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestMerged => [
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestFirstDeployedToProduction,
+              ::Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited
+            ]
+          }.freeze
+
+          class_methods do
+            extend ::Gitlab::Utils::Override
+
+            override :events
+            def events
+              strong_memoize(:events) do
+                super + EE_EVENTS
+              end
+            end
+
+            override :pairing_rules
+            def pairing_rules
+              strong_memoize(:pairing_rules) do
+                # merging two hashes with array values
+                ::Gitlab::Analytics::CycleAnalytics::StageEvents::PAIRING_RULES.merge(EE_PAIRING_RULES) do |klass, foss_events, ee_events|
+                  foss_events + ee_events
+                end
+              end
+            end
+
+            override :enum_mapping
+            def enum_mapping
+              strong_memoize(:enum_mapping) do
+                super.merge(EE_ENUM_MAPPING)
+              end
+            end
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/issue_closed.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class IssueClosed < StageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Issue closed")
+          end
+
+          def self.identifier
+            :issue_closed
+          end
+
+          def object_type
+            Issue
+          end
+
+          def timestamp_projection
+            issue_table[:closed_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_added_to_board.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class IssueFirstAddedToBoard < MetricsBasedStageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Issue first added to a board")
+          end
+
+          def self.identifier
+            :issue_first_added_to_board
+          end
+
+          def object_type
+            Issue
+          end
+
+          def timestamp_projection
+            issue_metrics_table[:first_added_to_board_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_associated_with_milestone.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class IssueFirstAssociatedWithMilestone < MetricsBasedStageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Issue first associated with a milestone")
+          end
+
+          def self.identifier
+            :issue_first_associated_with_milestone
+          end
+
+          def object_type
+            Issue
+          end
+
+          def timestamp_projection
+            issue_metrics_table[:first_associated_with_milestone_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_mentioned_in_commit.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class IssueFirstMentionedInCommit < MetricsBasedStageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Issue first mentioned in a commit")
+          end
+
+          def self.identifier
+            :issue_first_mentioned_in_commit
+          end
+
+          def object_type
+            Issue
+          end
+
+          def timestamp_projection
+            issue_metrics_table[:first_mentioned_in_commit_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/issue_last_edited.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class IssueLastEdited < StageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Issue last edited")
+          end
+
+          def self.identifier
+            :issue_last_edited
+          end
+
+          def object_type
+            Issue
+          end
+
+          def timestamp_projection
+            issue_table[:last_edited_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_closed.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class MergeRequestClosed < MetricsBasedStageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Merge request closed")
+          end
+
+          def self.identifier
+            :merge_request_closed
+          end
+
+          def object_type
+            MergeRequest
+          end
+
+          def timestamp_projection
+            mr_metrics_table[:latest_closed_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_last_edited.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Analytics
+    module CycleAnalytics
+      module StageEvents
+        class MergeRequestLastEdited < StageEvent
+          def self.name
+            s_("CycleAnalyticsEvent|Merge request last edited")
+          end
+
+          def self.identifier
+            :merge_request_last_edited
+          end
+
+          def object_type
+            MergeRequest
+          end
+
+          def timestamp_projection
+            mr_table[:last_edited_at]
+          end
+        end
+      end
+    end
+  end
+end

ee/spec/frontend/analytics/cycle_analytics/components/custom_stage_form_spec.js

@@ -43,12 +43,15 @@ describe('CustomStageForm', () => {
     invalidFeedback: '.invalid-feedback',
   };
 
-  function selectDropdownOption(_wrapper, dropdown, index) {
-    _wrapper
+  function getDropdownOption(_wrapper, dropdown, index) {
+    return _wrapper
       .find(dropdown)
       .findAll('option')
-      .at(index)
-      .setSelected();
+      .at(index);
+  }
+
+  function selectDropdownOption(_wrapper, dropdown, index) {
+    getDropdownOption(_wrapper, dropdown, index).setSelected();
   }
 
   describe('Empty form', () => {
@@ -97,21 +100,6 @@ describe('CustomStageForm', () => {
               `<option value="${ev.identifier}">${ev.name}</option>`,
             );
           });
-
-          stopEvents.forEach(ev => {
-            expect(select.html()).not.toHaveHtml(
-              `<option value="${ev.identifier}">${ev.name}</option>`,
-            );
-          });
-        });
-
-        it('will exclude stop events for the dropdown', () => {
-          const select = wrapper.find(sel.startEvent);
-          stopEvents.forEach(ev => {
-            expect(select.html()).not.toHaveHtml(
-              `<option value="${ev.identifier}">${ev.name}</option>`,
-            );
-          });
         });
       });
 
@@ -163,6 +151,9 @@ describe('CustomStageForm', () => {
     });
 
     describe('Stop event', () => {
+      const index = 2;
+      const currAllowed = startEvents[index].allowedEndEvents;
+
       beforeEach(() => {
         wrapper = createComponent({}, false);
       });
@@ -192,48 +183,51 @@ describe('CustomStageForm', () => {
 
       it('will update the list of stop events when a start event is changed', done => {
         let stopOptions = wrapper.find(sel.stopEvent).findAll('option');
+        const selectedStartEventIndex = 1;
+        const selectedStartEvent = startEvents[selectedStartEventIndex];
         expect(stopOptions.length).toEqual(1);
 
-        selectDropdownOption(wrapper, sel.startEvent, 1);
+        selectDropdownOption(wrapper, sel.startEvent, selectedStartEventIndex);
 
         Vue.nextTick(() => {
-          stopOptions = wrapper.find(sel.stopEvent).findAll('option');
-          expect(stopOptions.length).toEqual(2);
+          stopOptions = wrapper.find(sel.stopEvent);
+          selectedStartEvent.allowedEndEvents.forEach(identifier => {
+            expect(stopOptions.html()).toContain(identifier);
+          });
           done();
         });
       });
 
-      it('will only display valid stop events allowed for the selected start event', done => {
+      it('will display all the valid stop events', done => {
         let stopOptions = wrapper.find(sel.stopEvent).findAll('option');
-        const index = 2;
-        const selectedStopEventIdentifer = startEvents[index].allowedEndEvents[0];
-        const selectedStopEvent = stopEvents.find(
-          ev => ev.identifier === selectedStopEventIdentifer,
-        );
+        const possibleEndEvents = stopEvents.filter(ev => currAllowed.includes(ev.identifier));
 
         expect(stopOptions.at(0).html()).toEqual('<option value="">Select stop event</option>');
 
         selectDropdownOption(wrapper, sel.startEvent, index);
 
         Vue.nextTick(() => {
-          stopOptions = wrapper.find(sel.stopEvent).findAll('option');
+          stopOptions = wrapper.find(sel.stopEvent);
 
-          [
-            { name: 'Select stop event', identifier: '' },
-            {
-              name: selectedStopEvent.name,
-              identifier: selectedStopEvent.identifier,
-            },
-          ].forEach(({ name, identifier }, i) => {
-            expect(stopOptions.at(i).html()).toEqual(
-              `<option value="${identifier}">${name}</option>`,
-            );
+          possibleEndEvents.forEach(({ name, identifier }) => {
+            expect(stopOptions.html()).toContain(`<option value="${identifier}">${name}</option>`);
           });
+          done();
+        });
+      });
+
+      it('will not display stop events that are not in the list of allowed stop events', done => {
+        let stopOptions = wrapper.find(sel.stopEvent).findAll('option');
+        const excludedEndEvents = stopEvents.filter(ev => !currAllowed.includes(ev.identifier));
+
+        expect(stopOptions.at(0).html()).toEqual('<option value="">Select stop event</option>');
+
+        selectDropdownOption(wrapper, sel.startEvent, index);
 
-          [
-            { name: 'Issue created', identifier: 'issue_created' },
-            { name: 'Merge request closed', identifier: 'merge_request_closed' },
-          ].forEach(({ name, identifier }) => {
+        Vue.nextTick(() => {
+          stopOptions = wrapper.find(sel.stopEvent);
+
+          excludedEndEvents.forEach(({ name, identifier }) => {
             expect(wrapper.find(sel.stopEvent).html()).not.toHaveHtml(
               `<option value="${identifier}">${name}</option>`,
             );
@@ -378,10 +372,7 @@ describe('CustomStageForm', () => {
 
       describe('with all fields set', () => {
         const startEventIndex = 2;
-        const firstStopEventIdentifier = startEvents[startEventIndex].allowedEndEvents[0];
-        const stopEventIndex = stopEvents.findIndex(
-          ev => ev.identifier === firstStopEventIdentifier,
-        );
+        const stopEventIndex = 1;
 
         beforeEach(() => {
           wrapper = createComponent({}, false);
@@ -389,7 +380,7 @@ describe('CustomStageForm', () => {
           selectDropdownOption(wrapper, sel.startEvent, startEventIndex);
 
           return Vue.nextTick(() => {
-            selectDropdownOption(wrapper, sel.stopEvent, 1);
+            selectDropdownOption(wrapper, sel.stopEvent, stopEventIndex);
             wrapper.find(sel.name).setValue('Cool stage');
           });
         });
@@ -408,13 +399,15 @@ describe('CustomStageForm', () => {
 
         it('`submit` event receives the latest data', () => {
           expect(wrapper.emitted().submit).toBeUndefined();
+          const startEv = startEvents[startEventIndex];
+          const selectedStopEvent = getDropdownOption(wrapper, sel.stopEvent, stopEventIndex);
 
           const res = [
             {
               name: 'Cool stage',
-              startEvent: startEvents[startEventIndex].identifier,
+              startEvent: startEv.identifier,
               startEventLabel: null,
-              stopEvent: stopEvents[stopEventIndex].identifier,
+              stopEvent: selectedStopEvent.attributes('value'),
               stopEventLabel: null,
             },
           ];

ee/spec/frontend/analytics/cycle_analytics/mock_data.js

@@ -65,7 +65,13 @@ const { events: rawCustomStageEvents } = getJSONFixture('analytics/cycle_analyti
 const camelCasedStageEvents = rawCustomStageEvents.map(deepCamelCase);
 
 export const customStageStartEvents = camelCasedStageEvents.filter(ev => ev.canBeStartEvent);
-export const customStageStopEvents = camelCasedStageEvents.filter(ev => !ev.canBeStartEvent);
+
+// find get all the possible stop events
+const allowedEndEventIds = new Set(customStageStartEvents.flatMap(e => e.allowedEndEvents));
+
+export const customStageStopEvents = camelCasedStageEvents.filter(ev =>
+  allowedEndEventIds.has(ev.identifier),
+);
 
 // TODO: the shim below should be removed once we have label events seeding
 export const labelStartEvent = { ...customStageStartEvents[0], type: 'label' };

ee/spec/frontend/analytics/cycle_analytics/utils_spec.js

@@ -11,7 +11,6 @@ import {
   labelStartEvent,
   labelStopEvent,
   customStageStartEvents as startEvents,
-  customStageStopEvents as stopEvents,
 } from './mock_data';
 
 const labelEvents = [labelStartEvent, labelStopEvent].map(i => i.identifier);
@@ -23,9 +22,11 @@ describe('Cycle analytics utils', () => {
     });
 
     it('will return false for input that is not a start event', () => {
-      [stopEvents[0], {}, [], null, undefined].forEach(ev => {
+      [{ identifier: 'fake-event', canBeStartEvent: false }, {}, [], null, undefined].forEach(
+        ev => {
           expect(isStartEvent(ev)).toEqual(false);
-      });
+        },
+      );
     });
   });
 

ee/spec/lib/gitlab/analytics/cycle_analytics/data_collector_spec.rb

@@ -62,7 +62,7 @@ describe Gitlab::Analytics::CycleAnalytics::DataCollector do
 
   shared_examples 'test various start and end event combinations' do
     context 'when `Issue` based stage is given' do
-      context 'between issue creation time and closing time' do
+      context 'between issue creation time and issue first mentioned in commit time' do
         let(:start_event_identifier) { :issue_created }
         let(:end_event_identifier) { :issue_first_mentioned_in_commit }
 
@@ -76,6 +76,68 @@ describe Gitlab::Analytics::CycleAnalytics::DataCollector do
 
         it_behaves_like 'custom cycle analytics stage'
       end
+
+      describe 'between issue creation time and closing time' do
+        let(:start_event_identifier) { :issue_created }
+        let(:end_event_identifier) { :issue_closed }
+
+        def create_data_for_start_event(example_class)
+          create(:issue, :opened, project: example_class.project)
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.close!
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
+
+      describe 'between issue first mentioned in commit and first associated with milestone time' do
+        let(:start_event_identifier) { :issue_first_mentioned_in_commit }
+        let(:end_event_identifier) { :issue_first_associated_with_milestone }
+
+        def create_data_for_start_event(example_class)
+          issue = create(:issue, :opened, project: example_class.project)
+          issue.metrics.update!(first_mentioned_in_commit_at: Time.now)
+          issue
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.metrics.update!(first_associated_with_milestone_at: Time.now)
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
+
+      describe 'between issue creation time and first added to board time' do
+        let(:start_event_identifier) { :issue_created }
+        let(:end_event_identifier) { :issue_first_added_to_board }
+
+        def create_data_for_start_event(example_class)
+          create(:issue, :opened, project: example_class.project)
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.metrics.update!(first_added_to_board_at: Time.now)
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
+
+      describe 'between issue creation time and last edit time' do
+        let(:start_event_identifier) { :issue_created }
+        let(:end_event_identifier) { :issue_last_edited }
+
+        def create_data_for_start_event(example_class)
+          create(:issue, :opened, project: example_class.project)
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.update!(last_edited_at: Time.now)
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
     end
 
     context 'when `MergeRequest` based stage is given' do
@@ -127,6 +189,36 @@ describe Gitlab::Analytics::CycleAnalytics::DataCollector do
 
         it_behaves_like 'custom cycle analytics stage'
       end
+
+      describe 'between merge request creation time and close time' do
+        let(:start_event_identifier) { :merge_request_created }
+        let(:end_event_identifier) { :merge_request_closed }
+
+        def create_data_for_start_event(example_class)
+          create(:merge_request, source_project: example_class.project, allow_broken: true)
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.metrics.update!(latest_closed_at: Time.now)
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
+
+      describe 'between merge request creation time and last edit time' do
+        let(:start_event_identifier) { :merge_request_created }
+        let(:end_event_identifier) { :merge_request_last_edited }
+
+        def create_data_for_start_event(example_class)
+          create(:merge_request, source_project: example_class.project, allow_broken: true)
+        end
+
+        def create_data_for_end_event(resource, example_class)
+          resource.update!(last_edited_at: Time.now)
+        end
+
+        it_behaves_like 'custom cycle analytics stage'
+      end
     end
   end
 

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/issue_closed_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::IssueClosed do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_added_to_board_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAddedToBoard do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_associated_with_milestone_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstAssociatedWithMilestone do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_mentioned_in_commit_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::IssueFirstMentionedInCommit do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/issue_last_edited_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::IssueLastEdited do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_closed_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestClosed do
+  it_behaves_like 'cycle analytics event'
+end

ee/spec/lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_last_edited_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Analytics::CycleAnalytics::StageEvents::MergeRequestLastEdited do
+  it_behaves_like 'cycle analytics event'
+end

lib/gitlab/analytics/cycle_analytics/stage_events.rb

@@ -47,27 +47,29 @@ module Gitlab
           ]
         }.freeze
 
-        def [](identifier)
+        def self.[](identifier)
           events.find { |e| e.identifier.to_s.eql?(identifier.to_s) } || raise(KeyError)
         end
 
         # hash for defining ActiveRecord enum: identifier => number
-        def to_enum
-          ENUM_MAPPING.each_with_object({}) { |(k, v), hash| hash[k.identifier] = v }
+        def self.to_enum
+          enum_mapping.each_with_object({}) { |(k, v), hash| hash[k.identifier] = v }
         end
 
-        # will be overridden in EE with custom events
-        def pairing_rules
+        def self.pairing_rules
           PAIRING_RULES
         end
 
-        # will be overridden in EE with custom events
-        def events
+        def self.events
           EVENTS
         end
 
-        module_function :[], :to_enum, :pairing_rules, :events
+        def self.enum_mapping
+          ENUM_MAPPING
+        end
       end
     end
   end
 end
+
+Gitlab::Analytics::CycleAnalytics::StageEvents.prepend_if_ee('::EE::Gitlab::Analytics::CycleAnalytics::StageEvents')

lib/gitlab/analytics/cycle_analytics/stage_events/code_stage_start.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class CodeStageStart < SimpleStageEvent
+        class CodeStageStart < StageEvent
           def self.name
             s_("CycleAnalyticsEvent|Issue first mentioned in a commit")
           end

lib/gitlab/analytics/cycle_analytics/stage_events/issue_created.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class IssueCreated < SimpleStageEvent
+        class IssueCreated < StageEvent
           def self.name
             s_("CycleAnalyticsEvent|Issue created")
           end

lib/gitlab/analytics/cycle_analytics/stage_events/issue_first_mentioned_in_commit.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class IssueFirstMentionedInCommit < SimpleStageEvent
+        class IssueFirstMentionedInCommit < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Issue first mentioned in a commit")
           end
@@ -20,12 +20,6 @@ module Gitlab
           def timestamp_projection
             issue_metrics_table[:first_mentioned_in_commit_at]
           end
-
-          # rubocop: disable CodeReuse/ActiveRecord
-          def apply_query_customization(query)
-            query.joins(:metrics)
-          end
-          # rubocop: enable CodeReuse/ActiveRecord
         end
       end
     end

lib/gitlab/analytics/cycle_analytics/stage_events/issue_stage_end.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class IssueStageEnd < SimpleStageEvent
+        class IssueStageEnd < MetricsBasedStageEvent
           def self.name
             PlanStageStart.name
           end
@@ -26,7 +26,7 @@ module Gitlab
 
           # rubocop: disable CodeReuse/ActiveRecord
           def apply_query_customization(query)
-            query.joins(:metrics).where(issue_metrics_table[:first_added_to_board_at].not_eq(nil).or(issue_metrics_table[:first_associated_with_milestone_at].not_eq(nil)))
+            super.where(issue_metrics_table[:first_added_to_board_at].not_eq(nil).or(issue_metrics_table[:first_associated_with_milestone_at].not_eq(nil)))
           end
           # rubocop: enable CodeReuse/ActiveRecord
         end

lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_created.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class MergeRequestCreated < SimpleStageEvent
+        class MergeRequestCreated < StageEvent
           def self.name
             s_("CycleAnalyticsEvent|Merge request created")
           end

lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_first_deployed_to_production.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class MergeRequestFirstDeployedToProduction < SimpleStageEvent
+        class MergeRequestFirstDeployedToProduction < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Merge request first deployed to production")
           end
@@ -23,7 +23,7 @@ module Gitlab
 
           # rubocop: disable CodeReuse/ActiveRecord
           def apply_query_customization(query)
-            query.joins(:metrics).where(timestamp_projection.gteq(mr_table[:created_at]))
+            super.where(timestamp_projection.gteq(mr_table[:created_at]))
           end
           # rubocop: enable CodeReuse/ActiveRecord
         end

lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_last_build_finished.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class MergeRequestLastBuildFinished < SimpleStageEvent
+        class MergeRequestLastBuildFinished < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Merge request last build finish time")
           end
@@ -20,12 +20,6 @@ module Gitlab
           def timestamp_projection
             mr_metrics_table[:latest_build_finished_at]
           end
-
-          # rubocop: disable CodeReuse/ActiveRecord
-          def apply_query_customization(query)
-            query.joins(:metrics)
-          end
-          # rubocop: enable CodeReuse/ActiveRecord
         end
       end
     end

lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_last_build_started.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class MergeRequestLastBuildStarted < SimpleStageEvent
+        class MergeRequestLastBuildStarted < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Merge request last build start time")
           end
@@ -20,12 +20,6 @@ module Gitlab
           def timestamp_projection
             mr_metrics_table[:latest_build_started_at]
           end
-
-          # rubocop: disable CodeReuse/ActiveRecord
-          def apply_query_customization(query)
-            query.joins(:metrics)
-          end
-          # rubocop: enable CodeReuse/ActiveRecord
         end
       end
     end

lib/gitlab/analytics/cycle_analytics/stage_events/merge_request_merged.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class MergeRequestMerged < SimpleStageEvent
+        class MergeRequestMerged < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Merge request merged")
           end
@@ -20,12 +20,6 @@ module Gitlab
           def timestamp_projection
             mr_metrics_table[:merged_at]
           end
-
-          # rubocop: disable CodeReuse/ActiveRecord
-          def apply_query_customization(query)
-            query.joins(:metrics)
-          end
-          # rubocop: enable CodeReuse/ActiveRecord
         end
       end
     end

lib/gitlab/analytics/cycle_analytics/stage_events/simple_stage_event.rb → lib/gitlab/analytics/cycle_analytics/stage_events/metrics_based_stage_event.rb

@@ -4,8 +4,12 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        # Represents a simple event that usually refers to one database column and does not require additional user input
-        class SimpleStageEvent < StageEvent
+        class MetricsBasedStageEvent < StageEvent
+          # rubocop: disable CodeReuse/ActiveRecord
+          def apply_query_customization(query)
+            query.joins(:metrics)
+          end
+          # rubocop: enable CodeReuse/ActiveRecord
         end
       end
     end

lib/gitlab/analytics/cycle_analytics/stage_events/plan_stage_start.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class PlanStageStart < SimpleStageEvent
+        class PlanStageStart < MetricsBasedStageEvent
           def self.name
             s_("CycleAnalyticsEvent|Issue first associated with a milestone or issue first added to a board")
           end
@@ -26,8 +26,7 @@ module Gitlab
 
           # rubocop: disable CodeReuse/ActiveRecord
           def apply_query_customization(query)
-            query
-              .joins(:metrics)
+            super
               .where(issue_metrics_table[:first_added_to_board_at].not_eq(nil).or(issue_metrics_table[:first_associated_with_milestone_at].not_eq(nil)))
               .where(issue_metrics_table[:first_mentioned_in_commit_at].not_eq(nil))
           end

lib/gitlab/analytics/cycle_analytics/stage_events/production_stage_end.rb

@@ -4,7 +4,7 @@ module Gitlab
   module Analytics
     module CycleAnalytics
       module StageEvents
-        class ProductionStageEnd < SimpleStageEvent
+        class ProductionStageEnd < StageEvent
           def self.name
             PlanStageStart.name
           end

locale/gitlab.pot

@@ -4995,15 +4995,30 @@ msgstr ""
 msgid "Cycle Analytics gives an overview of how much time it takes to go from idea to production in your project."
 msgstr ""
 
+msgid "CycleAnalyticsEvent|Issue closed"
+msgstr ""
+
 msgid "CycleAnalyticsEvent|Issue created"
 msgstr ""
 
+msgid "CycleAnalyticsEvent|Issue first added to a board"
+msgstr ""
+
+msgid "CycleAnalyticsEvent|Issue first associated with a milestone"
+msgstr ""
+
 msgid "CycleAnalyticsEvent|Issue first associated with a milestone or issue first added to a board"
 msgstr ""
 
 msgid "CycleAnalyticsEvent|Issue first mentioned in a commit"
 msgstr ""
 
+msgid "CycleAnalyticsEvent|Issue last edited"
+msgstr ""
+
+msgid "CycleAnalyticsEvent|Merge request closed"
+msgstr ""
+
 msgid "CycleAnalyticsEvent|Merge request created"
 msgstr ""
 
@@ -5016,6 +5031,9 @@ msgstr ""
 msgid "CycleAnalyticsEvent|Merge request last build start time"
 msgstr ""
 
+msgid "CycleAnalyticsEvent|Merge request last edited"
+msgstr ""
+
 msgid "CycleAnalyticsEvent|Merge request merged"
 msgstr ""