Removed work_items_hierarchy feature flag

This adds the hierarchy page to all projects.
Also added a new work_items feature flag check for new item types.

Changelog: added

app/assets/javascripts/work_items_hierarchy/components/app.vue

@@ -25,14 +25,20 @@ export default {
     workItemTypes() {
       return this.workItemHierarchy.reduce(
         (itemTypes, item) => {
+          const skipItem = workItemTypes[item.type].isWorkItem && !window.gon?.features?.workItems;
+
+          if (skipItem) {
+            return itemTypes;
+          }
           const key = item.available ? 'available' : 'unavailable';
+          const nestedTypes = item.nestedTypes?.map((type) => workItemTypes[type]);
+
           itemTypes[key].push({
             ...item,
             ...workItemTypes[item.type],
-            nestedTypes: item.nestedTypes
-              ? item.nestedTypes.map((type) => workItemTypes[type])
-              : null,
+            nestedTypes,
           });
+
           return itemTypes;
         },
         { available: [], unavailable: [] },

app/assets/javascripts/work_items_hierarchy/constants.js

@@ -31,6 +31,7 @@ export const workItemTypes = {
     icon: 'task-done',
     color: '#217645',
     backgroundColor: '#C3E6CD',
+    isWorkItem: true,
   },
   INCIDENT: {
     title: __('Incident'),

app/controllers/concerns/planning_hierarchy.rb

@@ -7,8 +7,6 @@ module PlanningHierarchy
   def planning_hierarchy
     return access_denied! unless can?(current_user, :read_planning_hierarchy, @project)
 
-    return render_404 unless Feature.enabled?(:work_items_hierarchy, @project, default_enabled: :yaml)
-
     render 'shared/planning_hierarchy'
   end
   # rubocop:enable Gitlab/ModuleWithInstanceVariables

app/controllers/projects_controller.rb

@@ -42,6 +42,7 @@ class ProjectsController < Projects::ApplicationController
     push_frontend_feature_flag(:new_dir_modal, @project, default_enabled: :yaml)
     push_licensed_feature(:file_locks) if @project.present? && @project.licensed_feature_available?(:file_locks)
     push_frontend_feature_flag(:consolidated_edit_button, @project, default_enabled: :yaml)
+    push_frontend_feature_flag(:work_items, @project, default_enabled: :yaml)
   end
 
   layout :determine_layout

config/feature_flags/development/work_items_hierarchy.yml

----
-name: work_items_hierarchy
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79315
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/350451
-milestone: '14.8'
-type: development
-group: group::product planning
-default_enabled: false

lib/sidebars/concerns/work_item_hierarchy.rb

@@ -19,8 +19,7 @@ module Sidebars
       end
 
       def show_hierarachy_menu_item?(container)
-        Feature.enabled?(:work_items_hierarchy, container, default_enabled: :yaml) &&
-          can?(context.current_user, :read_planning_hierarchy, container)
+        can?(context.current_user, :read_planning_hierarchy, container)
       end
     end
   end

spec/lib/sidebars/concerns/work_item_hierarchy_spec.rb

@@ -5,22 +5,7 @@ require 'spec_helper'
 RSpec.describe Sidebars::Concerns::WorkItemHierarchy do
   shared_examples 'hierarchy menu' do
     let(:item_id) { :hierarchy }
-
-    context 'when the feature is disabled does not render' do
-      before do
-        stub_feature_flags(work_items_hierarchy: false)
-      end
-
-      specify { is_expected.to be_nil }
-    end
-
-    context 'when the feature is enabled does render' do
-      before do
-        stub_feature_flags(work_items_hierarchy: true)
-      end
-
-      specify { is_expected.not_to be_nil }
-    end
+    specify { is_expected.not_to be_nil }
   end
 
   describe 'Project hierarchy menu item' do

spec/lib/sidebars/projects/menus/project_information_menu_spec.rb

@@ -63,21 +63,7 @@ RSpec.describe Sidebars::Projects::Menus::ProjectInformationMenu do
     describe 'Hierarchy' do
       let(:item_id) { :hierarchy }
 
-      context 'when the feature is disabled' do
-        before do
-          stub_feature_flags(work_items_hierarchy: false)
-        end
-
-        specify { is_expected.to be_nil }
-      end
-
-      context 'when the feature is enabled' do
-        before do
-          stub_feature_flags(work_items_hierarchy: true)
-        end
-
-        specify { is_expected.not_to be_nil }
-      end
+      specify { is_expected.not_to be_nil }
     end
   end
 end

spec/requests/concerns/planning_hierarchy_spec.rb

@@ -14,21 +14,10 @@ RSpec.describe PlanningHierarchy, type: :request do
 
   describe 'GET #planning_hierarchy' do
     it 'renders planning hierarchy' do
-      stub_feature_flags(work_items_hierarchy: true)
-
       get project_planning_hierarchy_path(project)
 
       expect(response).to have_gitlab_http_status(:ok)
       expect(response.body).to match(/id="js-work-items-hierarchy"/)
     end
-
-    it 'renders 404 page' do
-      stub_feature_flags(work_items_hierarchy: false)
-
-      get project_planning_hierarchy_path(project)
-
-      expect(response).to have_gitlab_http_status(:not_found)
-      expect(response.body).not_to match(/id="js-work-items-hierarchy"/)
-    end
   end
 end