Create feature flag user lists controller

Add skeleton templates for new, edit, and show actions

ee/app/controllers/projects/feature_flags_user_lists_controller.rb

+# frozen_string_literal: true
+
+class Projects::FeatureFlagsUserListsController < Projects::ApplicationController
+  before_action :check_feature_flag!
+  before_action :authorize_admin_feature_flags_user_lists!
+  before_action :user_list, only: [:edit, :show]
+
+  def new
+  end
+
+  def edit
+  end
+
+  def show
+  end
+
+  private
+
+  def check_feature_flag!
+    not_found unless Feature.enabled?(:feature_flag_user_lists, project)
+  end
+
+  def user_list
+    @user_list = project.operations_feature_flags_user_lists.find_by_iid!(params[:iid])
+  end
+end

ee/app/views/projects/feature_flags_user_lists/edit.html.haml

+- add_to_breadcrumbs s_('FeatureFlags|Feature Flags'), project_feature_flags_path(@project)
+- breadcrumb_title s_('FeatureFlags|Edit list')
+- page_title s_('FeatureFlags|Edit Feature Flag User List')
+
+Edit list
+
+%label{ for: 'name' }= s_('FeatureFlags|Name')
+%input{ id: 'name', value: @user_list.name }

ee/app/views/projects/feature_flags_user_lists/new.html.haml

+- add_to_breadcrumbs s_('FeatureFlags|Feature Flags'), project_feature_flags_path(@project)
+- breadcrumb_title s_('FeatureFlags|New list')
+- page_title s_('FeatureFlags|New Feature Flag User List')
+
+New list

ee/app/views/projects/feature_flags_user_lists/show.html.haml

+- add_to_breadcrumbs s_('FeatureFlags|Feature Flags'), project_feature_flags_path(@project)
+- breadcrumb_title s_('FeatureFlags|List details')
+- page_title s_('FeatureFlags|Feature Flag User List Details')
+
+List details
+
+%p= @user_list.name

ee/config/routes/project.rb

@@ -30,6 +30,7 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
         resource :feature_flags_client, only: [] do
           post :reset_token
         end
+        resources :feature_flags_user_lists, param: :iid, only: [:new, :edit, :show]
 
         resources :autocomplete_sources, only: [] do
           collection do

ee/spec/controllers/projects/feature_flags_user_lists_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::FeatureFlagsUserListsController do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:reporter) { create(:user) }
+  let_it_be(:developer) { create(:user) }
+
+  before do
+    project.add_reporter(reporter)
+    project.add_developer(developer)
+
+    stub_licensed_features(feature_flags: true)
+  end
+
+  def request_params(extra_params = {})
+    { namespace_id: project.namespace, project_id: project }.merge(extra_params)
+  end
+
+  describe 'GET #new' do
+    it 'redirects when the user is unauthenticated' do
+      get(:new, params: request_params)
+
+      expect(response).to redirect_to(new_user_session_path)
+    end
+
+    it 'returns not found if the user does not belong to the project' do
+      user = create(:user)
+      sign_in(user)
+
+      get(:new, params: request_params)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found for a reporter' do
+      sign_in(reporter)
+
+      get(:new, params: request_params)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found when feature flags are not licensed' do
+      stub_licensed_features(feature_flags: false)
+      sign_in(developer)
+
+      get(:new, params: request_params)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'renders the new page for a developer' do
+      sign_in(developer)
+
+      get(:new, params: request_params)
+
+      expect(response).to have_gitlab_http_status(:ok)
+    end
+
+    it 'returns not found when the feature flag is off' do
+      stub_feature_flags(feature_flag_user_lists: false)
+      sign_in(developer)
+
+      get(:new, params: request_params)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+  end
+
+  describe 'GET #edit' do
+    before do
+      sign_in(developer)
+    end
+
+    it 'renders the edit page for a developer' do
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:edit, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:ok)
+    end
+
+    it 'returns not found with an iid that does not exist' do
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:edit, params: request_params(iid: list.iid + 1))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found for a list belonging to a another project' do
+      other_project = create(:project)
+      list = create(:operations_feature_flag_user_list, project: other_project)
+
+      get(:edit, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found when the feature flag is off' do
+      stub_feature_flags(feature_flag_user_lists: false)
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:edit, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+  end
+
+  describe 'GET #show' do
+    before do
+      sign_in(developer)
+    end
+
+    it 'renders the page for a developer' do
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:show, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:ok)
+    end
+
+    it 'returns not found with an iid that does not exist' do
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:show, params: request_params(iid: list.iid + 1))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found for a list belonging to a another project' do
+      other_project = create(:project)
+      list = create(:operations_feature_flag_user_list, project: other_project)
+
+      get(:show, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it 'returns not found when the feature flag is off' do
+      stub_feature_flags(feature_flag_user_lists: false)
+      list = create(:operations_feature_flag_user_list, project: project)
+
+      get(:show, params: request_params(iid: list.iid))
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+  end
+end

ee/spec/features/projects/feature_flag_user_lists/user_edits_feature_flag_user_list_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'User edits feature flag user list', :js do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user) }
+
+  before do
+    project.add_developer(developer)
+    stub_licensed_features(feature_flags: true)
+    sign_in(developer)
+  end
+
+  it 'prefills the edit form with the list name' do
+    list = create(:operations_feature_flag_user_list, project: project, name: 'My List Name')
+
+    visit(edit_project_feature_flags_user_list_path(project, list))
+
+    expect(page).to have_field 'Name', with: 'My List Name'
+  end
+end

ee/spec/features/projects/feature_flag_user_lists/user_sees_feature_flag_user_list_details_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'User sees feature flag user list details', :js do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:developer) { create(:user) }
+
+  before do
+    project.add_developer(developer)
+    stub_licensed_features(feature_flags: true)
+    sign_in(developer)
+  end
+
+  it 'displays the list name' do
+    list = create(:operations_feature_flag_user_list, project: project, name: 'My List')
+
+    visit(project_feature_flags_user_list_path(project, list))
+
+    expect(page).to have_text('My List')
+  end
+end

locale/gitlab.pot

@@ -9100,6 +9100,12 @@ msgstr ""
 msgid "FeatureFlags|Edit Feature Flag"
 msgstr ""
 
+msgid "FeatureFlags|Edit Feature Flag User List"
+msgstr ""
+
+msgid "FeatureFlags|Edit list"
+msgstr ""
+
 msgid "FeatureFlags|Enable features for specific users and specific environments by defining feature flag strategies. By default, features are available to all users in all environments."
 msgstr ""
 
@@ -9112,6 +9118,9 @@ msgstr ""
 msgid "FeatureFlags|Feature Flag"
 msgstr ""
 
+msgid "FeatureFlags|Feature Flag User List Details"
+msgstr ""
+
 msgid "FeatureFlags|Feature Flag behavior is built up by creating a set of rules to define the status of target environments. A default wildcard rule %{codeStart}*%{codeEnd} for %{boldStart}All Environments%{boldEnd} is set, and you are able to add as many rules as you need by choosing environment specs below. You can toggle the behavior for each of your rules to set them %{boldStart}Active%{boldEnd} or %{boldStart}Inactive%{boldEnd}."
 msgstr ""
 
@@ -9148,6 +9157,9 @@ msgstr ""
 msgid "FeatureFlags|Instance ID"
 msgstr ""
 
+msgid "FeatureFlags|List details"
+msgstr ""
+
 msgid "FeatureFlags|Loading feature flags"
 msgstr ""
 
@@ -9163,9 +9175,15 @@ msgstr ""
 msgid "FeatureFlags|New Feature Flag"
 msgstr ""
 
+msgid "FeatureFlags|New Feature Flag User List"
+msgstr ""
+
 msgid "FeatureFlags|New feature flag"
 msgstr ""
 
+msgid "FeatureFlags|New list"
+msgstr ""
+
 msgid "FeatureFlags|Percent rollout (logged in users)"
 msgstr ""