Track epic fixed dates manually updated

- add tests
- add generated dictionary

doc/development/usage_ping/dictionary.md

@@ -10124,6 +10124,54 @@ Status: `implemented`
 
 Tiers: `premium`, `ultimate`
 
+### `redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_due_date_monthly`
+
+Counts of MAU manually updating fixed due date
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/config/metrics/counts_28d/20210329043548_g_project_management_users_updating_fixed_epic_due_date_monthly.yml)
+
+Group: `group::product planning`
+
+Status: `implemented`
+
+Tiers: `premium`, `ultimate`
+
+### `redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_due_date_weekly`
+
+Counts of WAU manually updating fixed due date
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/config/metrics/counts_7d/20210329042536_g_project_management_users_updating_fixed_epic_due_date_weekly.yml)
+
+Group: `group::product planning`
+
+Status: `implemented`
+
+Tiers: `premium`, `ultimate`
+
+### `redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_start_date_monthly`
+
+Counts of MAU manually updating fixed start date
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/config/metrics/counts_28d/20210329043509_g_project_management_users_updating_fixed_epic_start_date_monthly.yml)
+
+Group: `group::product planning`
+
+Status: `implemented`
+
+Tiers: `premium`, `ultimate`
+
+### `redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_start_date_weekly`
+
+Counts of WAU manually updating fixed start date
+
+[YAML definition](https://gitlab.com/gitlab-org/gitlab/-/blob/master/ee/config/metrics/counts_7d/20210329043402_g_project_management_users_updating_fixed_epic_start_date_weekly.yml)
+
+Group: `group::product planning`
+
+Status: `implemented`
+
+Tiers: `premium`, `ultimate`
+
 ### `redis_hll_counters.ide_edit.g_edit_by_sfe_monthly`
 
 Missing description

ee/app/services/epics/update_service.rb

@@ -23,6 +23,7 @@ module Epics
 
         track_start_date_fixed_events(epic)
         track_due_date_fixed_events(epic)
+        track_fixed_dates_updated_events(epic)
 
         epic.reset
       end
@@ -59,8 +60,22 @@ module Epics
 
     private
 
+    def track_fixed_dates_updated_events(epic)
+      fixed_start_date_updated = epic.saved_change_to_attribute?(:start_date_fixed)
+      fixed_due_date_updated = epic.saved_change_to_attribute?(:due_date_fixed)
+      return unless fixed_start_date_updated || fixed_due_date_updated
+
+      if fixed_start_date_updated
+        ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_fixed_start_date_updated_action(author: current_user)
+      end
+
+      if fixed_due_date_updated
+        ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_fixed_due_date_updated_action(author: current_user)
+      end
+    end
+
     def track_start_date_fixed_events(epic)
-      return unless epic.saved_changes.key?('start_date_is_fixed')
+      return unless epic.saved_change_to_attribute?(:start_date_is_fixed)
 
       if epic.start_date_is_fixed?
         ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_start_date_set_as_fixed_action(author: current_user)
@@ -70,7 +85,7 @@ module Epics
     end
 
     def track_due_date_fixed_events(epic)
-      return unless epic.saved_changes.key?('due_date_is_fixed')
+      return unless epic.saved_change_to_attribute?(:due_date_is_fixed)
 
       if epic.due_date_is_fixed?
         ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_due_date_set_as_fixed_action(author: current_user)
@@ -105,11 +120,11 @@ module Epics
     end
 
     def track_changes(epic)
-      if epic.saved_changes.key?('title')
+      if epic.saved_change_to_attribute?(:title)
         ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_title_changed_action(author: current_user)
       end
 
-      if epic.saved_changes.key?('description')
+      if epic.saved_change_to_attribute?(:description)
         ::Gitlab::UsageDataCounters::EpicActivityUniqueCounter.track_epic_description_changed_action(author: current_user)
       end
     end

ee/changelogs/unreleased/292253-cablett-track-epic-date-changed.yml

+---
+title: Track epic change to fixed start/due dates via usage ping
+merge_request: 57672
+author:
+type: other

ee/config/metrics/counts_28d/20210329043509_g_project_management_users_updating_fixed_epic_start_date_monthly.yml

+---
+# Name of this metric contains g_project_management prefix
+# because we are using the same slot from issue_tracking to
+# allow data aggregation.
+key_path:  redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_start_date_monthly
+description: Counts of MAU manually updating fixed start date
+product_section: dev
+product_stage: plan
+product_group: group::product planning
+product_category: epics_usage
+value_type: number
+status: implemented
+milestone: "13.11"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57672
+time_frame: 28d
+data_source: redis_hll
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/config/metrics/counts_28d/20210329043548_g_project_management_users_updating_fixed_epic_due_date_monthly.yml

+---
+# Name of this metric contains g_project_management prefix
+# because we are using the same slot from issue_tracking to
+# allow data aggregation.
+key_path:  redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_due_date_monthly
+description: Counts of MAU manually updating fixed due date
+product_section: dev
+product_stage: plan
+product_group: group::product planning
+product_category: epics_usage
+value_type: number
+status: implemented
+milestone: "13.11"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57672
+time_frame: 28d
+data_source: redis_hll
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/config/metrics/counts_7d/20210329042536_g_project_management_users_updating_fixed_epic_due_date_weekly.yml

+---
+# Name of this metric contains g_project_management prefix
+# because we are using the same slot from issue_tracking to
+# allow data aggregation.
+key_path:  redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_due_date_weekly
+description: Counts of WAU manually updating fixed due date
+product_section: dev
+product_stage: plan
+product_group: group::product planning
+product_category: epics_usage
+value_type: number
+status: implemented
+milestone: "13.11"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57672
+time_frame: 7d
+data_source: redis_hll
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/config/metrics/counts_7d/20210329043402_g_project_management_users_updating_fixed_epic_start_date_weekly.yml

+---
+# Name of this metric contains g_project_management prefix
+# because we are using the same slot from issue_tracking to
+# allow data aggregation.
+key_path:  redis_hll_counters.epics_usage.g_project_management_users_updating_fixed_epic_start_date_weekly
+description: Counts of WAU manually updating fixed start date
+product_section: dev
+product_stage: plan
+product_group: group::product planning
+product_category: epics_usage
+value_type: number
+status: implemented
+milestone: "13.11"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/57672
+time_frame: 7d
+data_source: redis_hll
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/lib/gitlab/usage_data_counters/epic_activity_unique_counter.rb

@@ -17,6 +17,8 @@ module Gitlab
       EPIC_START_DATE_SET_AS_INHERITED = 'g_project_management_users_setting_epic_start_date_as_inherited'
       EPIC_DUE_DATE_SET_AS_FIXED = 'g_project_management_users_setting_epic_due_date_as_fixed'
       EPIC_DUE_DATE_SET_AS_INHERITED = 'g_project_management_users_setting_epic_due_date_as_inherited'
+      EPIC_FIXED_START_DATE_UPDATED = 'g_project_management_users_updating_fixed_epic_start_date'
+      EPIC_FIXED_DUE_DATE_UPDATED = 'g_project_management_users_updating_fixed_epic_due_date'
       EPIC_ISSUE_ADDED = 'g_project_management_epic_issue_added'
       EPIC_CLOSED = 'g_project_management_epic_closed'
       EPIC_REOPENED = 'g_project_management_epic_reopened'
@@ -62,6 +64,14 @@ module Gitlab
           track_unique_action(EPIC_DUE_DATE_SET_AS_INHERITED, author)
         end
 
+        def track_epic_fixed_start_date_updated_action(author:)
+          track_unique_action(EPIC_FIXED_START_DATE_UPDATED, author)
+        end
+
+        def track_epic_fixed_due_date_updated_action(author:)
+          track_unique_action(EPIC_FIXED_DUE_DATE_UPDATED, author)
+        end
+
         def track_epic_issue_added(author:)
           track_unique_action(EPIC_ISSUE_ADDED, author)
         end

ee/spec/lib/gitlab/usage_data_counters/epic_activity_unique_counter_spec.rb

@@ -112,6 +112,18 @@ RSpec.describe Gitlab::UsageDataCounters::EpicActivityUniqueCounter, :clean_gitl
         it_behaves_like 'does not track when feature flag is disabled', :track_epics_activity
       end
 
+      context 'setting as fixed start date event' do
+        def track_action(params)
+          described_class.track_epic_fixed_start_date_updated_action(**params)
+        end
+
+        it_behaves_like 'a daily tracked issuable event' do
+          let(:action) { described_class::EPIC_FIXED_START_DATE_UPDATED }
+        end
+
+        it_behaves_like 'does not track when feature flag is disabled', :track_epics_activity
+      end
+
       context 'setting as inherited event' do
         def track_action(params)
           described_class.track_epic_start_date_set_as_inherited_action(**params)
@@ -138,6 +150,18 @@ RSpec.describe Gitlab::UsageDataCounters::EpicActivityUniqueCounter, :clean_gitl
         it_behaves_like 'does not track when feature flag is disabled', :track_epics_activity
       end
 
+      context 'setting as fixed due date event' do
+        def track_action(params)
+          described_class.track_epic_fixed_due_date_updated_action(**params)
+        end
+
+        it_behaves_like 'a daily tracked issuable event' do
+          let(:action) { described_class::EPIC_FIXED_DUE_DATE_UPDATED }
+        end
+
+        it_behaves_like 'does not track when feature flag is disabled', :track_epics_activity
+      end
+
       context 'setting as inherited event' do
         def track_action(params)
           described_class.track_epic_due_date_set_as_inherited_action(**params)

ee/spec/services/epics/update_service_spec.rb

@@ -348,6 +348,7 @@ RSpec.describe Epics::UpdateService do
       context 'epic start date fixed or inherited' do
         it 'tracks the user action to set as fixed' do
           expect(::Gitlab::UsageDataCounters::EpicActivityUniqueCounter).to receive(:track_epic_start_date_set_as_fixed_action)
+          expect(::Gitlab::UsageDataCounters::EpicActivityUniqueCounter).to receive(:track_epic_fixed_start_date_updated_action)
 
           update_epic(start_date_is_fixed: true, start_date_fixed: Date.today)
         end
@@ -362,6 +363,7 @@ RSpec.describe Epics::UpdateService do
       context 'epic due date fixed or inherited' do
         it 'tracks the user action to set as fixed' do
           expect(::Gitlab::UsageDataCounters::EpicActivityUniqueCounter).to receive(:track_epic_due_date_set_as_fixed_action)
+          expect(::Gitlab::UsageDataCounters::EpicActivityUniqueCounter).to receive(:track_epic_fixed_due_date_updated_action)
 
           update_epic(due_date_is_fixed: true, due_date_fixed: Date.today)
         end

lib/gitlab/usage_data_counters/known_events/epic_events.yml

@@ -21,6 +21,8 @@
   aggregation: daily
   feature_flag: track_epics_activity
 
+# epic notes
+
 - name: g_project_management_users_creating_epic_notes
   category: epics_usage
   redis_slot: project_management
@@ -39,24 +41,40 @@
   aggregation: daily
   feature_flag: track_epics_activity
 
+# start date events
+
 - name: g_project_management_users_setting_epic_start_date_as_fixed
   category: epics_usage
   redis_slot: project_management
   aggregation: daily
   feature_flag: track_epics_activity
 
+- name: g_project_management_users_updating_fixed_epic_start_date
+  category: epics_usage
+  redis_slot: project_management
+  aggregation: daily
+  feature_flag: track_epics_activity
+
 - name: g_project_management_users_setting_epic_start_date_as_inherited
   category: epics_usage
   redis_slot: project_management
   aggregation: daily
   feature_flag: track_epics_activity
 
+# due date events
+
 - name: g_project_management_users_setting_epic_due_date_as_fixed
   category: epics_usage
   redis_slot: project_management
   aggregation: daily
   feature_flag: track_epics_activity
 
+- name: g_project_management_users_updating_fixed_epic_due_date
+  category: epics_usage
+  redis_slot: project_management
+  aggregation: daily
+  feature_flag: track_epics_activity
+
 - name: g_project_management_users_setting_epic_due_date_as_inherited
   category: epics_usage
   redis_slot: project_management