Revert "Merge branch 'confdential_epics_removal' into 'master'"

This reverts merge request !41551

doc/api/epics.md

@@ -266,7 +266,7 @@ POST /groups/:id/epics
 | `title`             | string           | yes        | The title of the epic |
 | `labels`            | string           | no         | The comma separated list of labels |
 | `description`       | string           | no         | The description of the epic. Limited to 1,048,576 characters.  |
-| `confidential`      | boolean          | no         | Whether the epic should be confidential |
+| `confidential`      | boolean          | no         | Whether the epic should be confidential. Will be ignored if `confidential_epics` feature flag is disabled. |
 | `start_date_is_fixed` | boolean        | no         | Whether start date should be sourced from `start_date_fixed` or from milestones (since 11.3) |
 | `start_date_fixed`  | string           | no         | The fixed start date of an epic (since 11.3) |
 | `due_date_is_fixed` | boolean          | no         | Whether due date should be sourced from `due_date_fixed` or from milestones (since 11.3) |
@@ -347,7 +347,7 @@ PUT /groups/:id/epics/:epic_iid
 | `epic_iid`          | integer/string   | yes        | The internal ID of the epic  |
 | `title`             | string           | no         | The title of an epic |
 | `description`       | string           | no         | The description of an epic. Limited to 1,048,576 characters.  |
-| `confidential`      | boolean          | no         | Whether the epic should be confidential |
+| `confidential`      | boolean          | no         | Whether the epic should be confidential. Will be ignored if `confidential_epics` feature flag is disabled. |
 | `labels`            | string           | no         | The comma separated list of labels |
 | `start_date_is_fixed` | boolean        | no         | Whether start date should be sourced from `start_date_fixed` or from milestones (since 11.3) |
 | `start_date_fixed`  | string           | no         | The fixed start date of an epic (since 11.3) |

doc/api/graphql/reference/gitlab_schema.graphql

@@ -2614,7 +2614,7 @@ input CreateEpicInput {
   clientMutationId: String
 
   """
-  Indicates if the epic is confidential
+  Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled
   """
   confidential: Boolean
 
@@ -16864,7 +16864,7 @@ input UpdateEpicInput {
   clientMutationId: String
 
   """
-  Indicates if the epic is confidential
+  Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled
   """
   confidential: Boolean
 

doc/api/graphql/reference/gitlab_schema.json

@@ -7089,7 +7089,7 @@
             },
             {
               "name": "confidential",
-              "description": "Indicates if the epic is confidential",
+              "description": "Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled",
               "type": {
                 "kind": "SCALAR",
                 "name": "Boolean",
@@ -49621,7 +49621,7 @@
             },
             {
               "name": "confidential",
-              "description": "Indicates if the epic is confidential",
+              "description": "Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled",
               "type": {
                 "kind": "SCALAR",
                 "name": "Boolean",

doc/user/group/epics/manage_epics.md

@@ -164,6 +164,18 @@ To make an epic confidential:
 - **In an existing epic:** in the epic's sidebar, select **Edit** next to **Confidentiality** then
   select **Turn on**.
 
+### Disable confidential epics **(PREMIUM ONLY)**
+
+The confidential epics feature is deployed behind a feature flag that is **enabled by default**.
+[GitLab administrators with access to the GitLab Rails console](../../../administration/feature_flags.md)
+can disable it for your self-managed instance.
+
+To disable it:
+
+```ruby
+Feature.disable(:confidential_epics)
+```
+
 ## Manage issues assigned to an epic
 
 ### Add a new issue to an epic

ee/app/controllers/groups/epics_controller.rb

@@ -18,6 +18,7 @@ class Groups::EpicsController < Groups::ApplicationController
 
   before_action do
     push_frontend_feature_flag(:vue_issuable_epic_sidebar, @group)
+    push_frontend_feature_flag(:confidential_epics, @group, default_enabled: true)
   end
 
   def new; end

ee/app/controllers/groups/roadmap_controller.rb

@@ -11,6 +11,7 @@ module Groups
     before_action :persist_roadmap_layout, only: [:show]
     before_action do
       push_frontend_feature_flag(:roadmap_buffered_rendering, @group)
+      push_frontend_feature_flag(:confidential_epics, @group, default_enabled: true)
       push_frontend_feature_flag(:async_filtering, @group)
     end
 

ee/app/graphql/mutations/concerns/mutations/shared_epic_arguments.rb

@@ -22,7 +22,7 @@ module Mutations
       argument :confidential,
                 GraphQL::BOOLEAN_TYPE,
                 required: false,
-                description: 'Indicates if the epic is confidential'
+                description: 'Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled'
 
       argument :start_date_fixed,
                 GraphQL::STRING_TYPE,

ee/app/serializers/epic_entity.rb

@@ -19,7 +19,7 @@ class EpicEntity < IssuableEntity
   expose :due_date_fixed, :due_date_from_milestones
   expose :state
   expose :lock_version
-  expose :confidential
+  expose :confidential, if: -> (epic) { Feature.enabled?(:confidential_epics, epic.group, default_enabled: true) }
 
   expose :web_url do |epic|
     group_epic_path(epic.group, epic)

ee/app/services/epics/create_service.rb

@@ -4,6 +4,7 @@ module Epics
   class CreateService < Epics::BaseService
     def execute
       set_date_params
+      params.extract!(:confidential) unless ::Feature.enabled?(:confidential_epics, group, default_enabled: true)
 
       epic = group.epics.new
       create(epic)

ee/app/services/epics/update_service.rb

@@ -13,6 +13,7 @@ module Epics
       # start_date and end_date columns are no longer writable by users because those
       # are composite fields managed by the system.
       params.extract!(:start_date, :end_date)
+      params.extract!(:confidential) unless ::Feature.enabled?(:confidential_epics, group, default_enabled: true)
 
       update_task_event(epic) || update(epic)
 

ee/lib/api/epics.rb

@@ -69,7 +69,7 @@ module API
       params do
         requires :title, type: String, desc: 'The title of an epic'
         optional :description, type: String, desc: 'The description of an epic'
-        optional :confidential, type: Boolean, desc: 'Indicates if the epic is confidential'
+        optional :confidential, type: Boolean, desc: 'Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled'
         optional :start_date, as: :start_date_fixed, type: String, desc: 'The start date of an epic'
         optional :start_date_is_fixed, type: Boolean, desc: 'Indicates start date should be sourced from start_date_fixed field not the issue milestones'
         optional :end_date, as: :due_date_fixed, type: String, desc: 'The due date of an epic'
@@ -95,7 +95,7 @@ module API
         requires :epic_iid, type: Integer, desc: 'The internal ID of an epic'
         optional :title, type: String, desc: 'The title of an epic'
         optional :description, type: String, desc: 'The description of an epic'
-        optional :confidential, type: Boolean, desc: 'Indicates if the epic is confidential'
+        optional :confidential, type: Boolean, desc: 'Indicates if the epic is confidential. Will be ignored if `confidential_epics` feature flag is disabled'
         optional :start_date, as: :start_date_fixed, type: String, desc: 'The start date of an epic'
         optional :start_date_is_fixed, type: Boolean, desc: 'Indicates start date should be sourced from start_date_fixed field not the issue milestones'
         optional :end_date, as: :due_date_fixed, type: String, desc: 'The due date of an epic'

ee/spec/controllers/groups/epics_controller_spec.rb

@@ -312,6 +312,20 @@ RSpec.describe Groups::EpicsController do
           expect(response).to match_response_schema('entities/epic', dir: 'ee')
         end
 
+        context 'when confidential_epics flag is disabled' do
+          before do
+            stub_feature_flags(confidential_epics: false)
+          end
+
+          it 'does not include confidential attribute' do
+            group.add_developer(user)
+            show_epic(:json)
+
+            expect(response).to have_gitlab_http_status(:ok)
+            expect(json_response).not_to include("confidential")
+          end
+        end
+
         context 'with unauthorized user' do
           it 'returns a not found 404 response' do
             show_epic(:json)

ee/spec/helpers/ee/issuables_helper_spec.rb

@@ -15,6 +15,10 @@ RSpec.describe IssuablesHelper do
     context 'for an epic' do
       let_it_be(:epic) { create(:epic, author: user, description: 'epic text', confidential: true) }
 
+      before do
+        stub_feature_flags(confidential_epics: true)
+      end
+
       it 'returns the correct data' do
         @group = epic.group
 

ee/spec/requests/api/epics_spec.rb

@@ -610,6 +610,20 @@ RSpec.describe API::Epics do
         end
       end
 
+      context 'when confidential_epics flag is disabled' do
+        before do
+          stub_feature_flags(confidential_epics: false)
+
+          post api(url, user), params: params
+        end
+
+        it 'ignores confidential attribute' do
+          epic = Epic.last
+
+          expect(epic.confidential).to be_falsey
+        end
+      end
+
       it 'creates a new epic with labels param as array' do
         params[:labels] = ['label1', 'label2', 'foo, bar', '&,?']
 
@@ -710,6 +724,19 @@ RSpec.describe API::Epics do
           end
         end
 
+        context 'when confidential_epics flag is disabled' do
+          before do
+            stub_feature_flags(confidential_epics: false)
+            stub_licensed_features(epics: true)
+
+            put api(url, user), params: params
+          end
+
+          it 'does not include confidential attribute' do
+            expect(epic.reload.confidential).to be_falsey
+          end
+        end
+
         it 'clears labels when labels param is nil' do
           params[:labels] = 'label1'
           put api(url, user), params: params

ee/spec/requests/api/graphql/mutations/epics/create_spec.rb

@@ -96,6 +96,19 @@ RSpec.describe 'Creating an Epic' do
           expect { post_graphql_mutation(mutation, current_user: current_user) }.not_to change(Epic, :count)
         end
       end
+
+      context 'when confidential_epics is disabled' do
+        before do
+          stub_feature_flags(confidential_epics: false)
+        end
+
+        it 'ignores confidential field' do
+          post_graphql_mutation(mutation, current_user: current_user)
+
+          epic_hash = mutation_response['epic']
+          expect(epic_hash['confidential']).to be_falsey
+        end
+      end
     end
   end
 end

ee/spec/requests/api/graphql/mutations/epics/update_spec.rb

@@ -132,6 +132,19 @@ RSpec.describe Mutations::Epics::Update do
         it_behaves_like 'a mutation that returns top-level errors',
           errors: ['The list of epic attributes is empty']
       end
+
+      context 'when confidential_epics is disabled' do
+        before do
+          stub_feature_flags(confidential_epics: false)
+        end
+
+        it 'ignores confidential field' do
+          post_graphql_mutation(mutation, current_user: current_user)
+
+          epic_hash = mutation_response['epic']
+          expect(epic_hash['confidential']).to be_falsey
+        end
+      end
     end
   end
 end

ee/spec/services/epics/create_service_spec.rb

@@ -25,6 +25,20 @@ RSpec.describe Epics::CreateService do
       expect(epic.confidential).to be_truthy
       expect(NewEpicWorker).to have_received(:perform_async).with(epic.id, user.id)
     end
+
+    context 'when confidential_epics is disabled' do
+      before do
+        stub_feature_flags(confidential_epics: false)
+      end
+
+      it 'ignores confidential attribute' do
+        expect { subject }.to change { Epic.count }.by(1)
+
+        epic = Epic.last
+        expect(epic).to be_persisted
+        expect(epic.confidential).to be_falsey
+      end
+    end
   end
 
   context 'handling fixed dates' do

ee/spec/services/epics/update_service_spec.rb

@@ -60,6 +60,19 @@ RSpec.describe Epics::UpdateService do
       it 'updates the last_edited_at value' do
         expect { update_epic(opts) }.to change { epic.last_edited_at }
       end
+
+      context 'when confidential_epics is disabled' do
+        before do
+          stub_feature_flags(confidential_epics: false)
+        end
+
+        it 'ignores confidential attribute on update' do
+          update_epic(opts)
+
+          expect(epic).to be_valid
+          expect(epic.confidential).to be_falsey
+        end
+      end
     end
 
     context 'when title has changed' do