Add Escalation policy Empty state [RUN ALL RSPEC] [RUN AS-IF-FOSS]

config/feature_flags/development/escalation_policies_mvc.yml

+---
+name: escalation_policies_mvc
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/60524
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/329347
+milestone: '13.12'
+type: development
+group: group::monitor
+default_enabled: false

ee/app/assets/javascripts/escalation_policies/components/escalation_policies_wrapper.vue

+<script>
+import { GlEmptyState, GlButton } from '@gitlab/ui';
+import { s__ } from '~/locale';
+
+export const i18n = {
+  emptyState: {
+    title: s__('EscalationPolicies|Create an escalation policy in GitLab'),
+    description: s__(
+      "EscalationPolicies|Set up escalation policies to define who is paged, and when, in the event the first users paged don't respond.",
+    ),
+    button: s__('EscalationPolicies|Add an escalation policy'),
+  },
+};
+
+export default {
+  i18n,
+  components: {
+    GlEmptyState,
+    GlButton,
+  },
+  inject: ['emptyEscalationPoliciesSvgPath'],
+  methods: {
+    addEscalationPolicy() {
+      // TODO: Add method as part of https://gitlab.com/gitlab-org/gitlab/-/issues/268356
+    },
+  },
+};
+</script>
+
+<template>
+  <gl-empty-state
+    :title="$options.i18n.emptyState.title"
+    :description="$options.i18n.emptyState.description"
+    :svg-path="emptyEscalationPoliciesSvgPath"
+  >
+    <template #actions>
+      <gl-button variant="info" @click="addEscalationPolicy">{{
+        $options.i18n.emptyState.button
+      }}</gl-button>
+    </template>
+  </gl-empty-state>
+</template>

ee/app/assets/javascripts/escalation_policies/index.js

+import Vue from 'vue';
+import EscalationPoliciesWrapper from './components/escalation_policies_wrapper.vue';
+
+export default () => {
+  const el = document.querySelector('.js-escalation-policies');
+
+  if (!el) return null;
+
+  const { emptyEscalationPoliciesSvgPath } = el.dataset;
+
+  return new Vue({
+    el,
+    provide: {
+      emptyEscalationPoliciesSvgPath,
+    },
+    render(createElement) {
+      return createElement(EscalationPoliciesWrapper);
+    },
+  });
+};

ee/app/assets/javascripts/pages/projects/incident_management/escalation_policies/index/index.js

+import initOnCallScheduleManagement from 'ee/escalation_policies';
+
+initOnCallScheduleManagement();

ee/app/controllers/projects/incident_management/escalation_policies_controller.rb

+# frozen_string_literal: true
+
+module Projects
+  module IncidentManagement
+    class EscalationPoliciesController < Projects::ApplicationController
+      before_action :authorize_read_incident_management_escalation_policy!
+
+      feature_category :incident_management
+
+      def index
+      end
+    end
+  end
+end

ee/app/helpers/incident_management/escalation_policy_helper.rb

+# frozen_string_literal: true
+
+module IncidentManagement
+  module EscalationPolicyHelper
+    def escalation_policy_data
+      {
+        'empty_escalation_policies_svg_path' => image_path('illustrations/empty-state/empty-escalation.svg')
+      }
+    end
+  end
+end

ee/app/models/license.rb

@@ -131,6 +131,7 @@ class License < ApplicationRecord
     ci_project_subscriptions
     incident_timeline_view
     oncall_schedules
+    escalation_policies
     export_user_permissions
   ]
   EEP_FEATURES.freeze

ee/app/policies/ee/project_policy.rb

@@ -133,6 +133,11 @@ module EE
         ::Gitlab::IncidentManagement.oncall_schedules_available?(@subject)
       end
 
+      with_scope :subject
+      condition(:escalation_policies_available) do
+        ::Gitlab::IncidentManagement.escalation_policies_available?(@subject)
+      end
+
       rule { visual_review_bot }.policy do
         prevent :read_note
         enable :create_note
@@ -163,6 +168,7 @@ module EE
       end
 
       rule { oncall_schedules_available & can?(:reporter_access) }.enable :read_incident_management_oncall_schedule
+      rule { escalation_policies_available & can?(:reporter_access) }.enable :read_incident_management_escalation_policy
 
       rule { can?(:developer_access) }.policy do
         enable :admin_issue_board
@@ -245,6 +251,7 @@ module EE
       rule { license_scanning_enabled & can?(:maintainer_access) }.enable :admin_software_license_policy
 
       rule { oncall_schedules_available & can?(:maintainer_access) }.enable :admin_incident_management_oncall_schedule
+      rule { escalation_policies_available & can?(:maintainer_access) }.enable :admin_incident_management_escalation_policy
 
       rule { auditor }.policy do
         enable :public_user_access

ee/app/views/projects/incident_management/escalation_policies/index.html.haml

+- page_title _('Escalation policies')
+
+.js-escalation-policies{ data: escalation_policy_data }

ee/app/views/projects/sidebar/_escalation_policies.html.haml

+- return unless project_nav_tab? :escalation_policy
+
+= nav_link(controller: :escalation_policies) do
+  = link_to project_incident_management_escalation_policies_path(@project), title: _('Escalation policies') do
+    %span
+      = _('Escalation Policies')

ee/config/routes/project.rb

@@ -128,6 +128,7 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
 
         namespace :incident_management, path: '' do
           resources :oncall_schedules, only: [:index], path: 'oncall_schedules'
+          resources :escalation_policies, only: [:index], path: 'escalation_policies'
         end
 
         resources :cluster_agents, only: [:show], param: :name

ee/lib/ee/sidebars/projects/menus/operations_menu.rb

@@ -12,6 +12,7 @@ module EE
             return false unless super
 
             insert_item_after(:incidents, on_call_schedules_menu_item)
+            insert_item_after(:on_call_schedules, escalation_policies_menu_item)
 
             true
           end
@@ -28,6 +29,17 @@ module EE
               item_id: :on_call_schedules
             )
           end
+
+          def escalation_policies_menu_item
+            return unless can?(context.current_user, :read_incident_management_escalation_policy, context.project)
+
+            ::Sidebars::MenuItem.new(
+              title: _('Escalation policies'),
+              link: project_incident_management_escalation_policies_path(context.project),
+              active_routes: { controller: :escalation_policies },
+              item_id: :escalation_policies
+            )
+          end
         end
       end
     end

ee/lib/gitlab/incident_management.rb

@@ -5,5 +5,11 @@ module Gitlab
     def self.oncall_schedules_available?(project)
       project.feature_available?(:oncall_schedules)
     end
+
+    def self.escalation_policies_available?(project)
+      oncall_schedules_available?(project) &&
+        project.feature_available?(:escalation_policies) &&
+        ::Feature.enabled?(:escalation_policies_mvc, project, default_enabled: :yaml)
+    end
   end
 end

ee/spec/controllers/projects/incident_management/escalation_policies_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Projects::IncidentManagement::EscalationPoliciesController do
+  let_it_be(:user_with_read_permissions) { create(:user) }
+  let_it_be(:user_with_admin_permissions) { create(:user) }
+  let_it_be(:project) { create(:project) }
+
+  let(:current_user) { user_with_admin_permissions }
+
+  describe 'GET #index' do
+    let(:request) do
+      get :index, params: { project_id: project.to_param, namespace_id: project.namespace.to_param }
+    end
+
+    before do
+      project.add_reporter(user_with_read_permissions)
+      project.add_maintainer(user_with_admin_permissions)
+
+      stub_licensed_features(oncall_schedules: true, escalation_policies: true)
+
+      sign_in(current_user)
+    end
+
+    context 'with read permissions' do
+      let(:current_user) { user_with_read_permissions }
+
+      it 'renders index with 200 status code' do
+        request
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response).to render_template(:index)
+      end
+    end
+
+    context 'with admin permissions' do
+      let(:current_user) { user_with_admin_permissions }
+
+      it 'renders index with 200 status code' do
+        request
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response).to render_template(:index)
+      end
+    end
+
+    context 'unauthorized' do
+      let(:current_user) { create(:user) }
+
+      it 'responds with 404' do
+        request
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+
+    context 'with feature flag off' do
+      before do
+        stub_feature_flags(escalation_policies_mvc: false)
+      end
+
+      it 'responds with 404' do
+        request
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+
+    context 'with unavailable feature' do
+      before do
+        stub_licensed_features(escalation_policies: false)
+      end
+
+      it 'responds with 404' do
+        request
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+
+    context 'with unavailable on-call schedules feature' do
+      before do
+        stub_licensed_features(oncall_schedules: false)
+      end
+
+      it 'responds with 404' do
+        request
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+    end
+  end
+end

ee/spec/frontend/escalation_policy/escalation_policy_wrapper_spec.js

+import { GlEmptyState } from '@gitlab/ui';
+import { shallowMount } from '@vue/test-utils';
+import OnCallScheduleWrapper, {
+  i18n,
+} from 'ee/escalation_policies/components/escalation_policies_wrapper.vue';
+
+describe('AlertManagementEmptyState', () => {
+  let wrapper;
+  const emptyEscalationPoliciesSvgPath = 'illustration/path.svg';
+
+  function mountComponent() {
+    wrapper = shallowMount(OnCallScheduleWrapper, {
+      provide: {
+        emptyEscalationPoliciesSvgPath,
+      },
+    });
+  }
+
+  beforeEach(() => {
+    mountComponent();
+  });
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  const findEmptyState = () => wrapper.findComponent(GlEmptyState);
+
+  describe('Empty state', () => {
+    it('shows empty state and passed correct attributes to it', () => {
+      expect(findEmptyState().exists()).toBe(true);
+      expect(findEmptyState().attributes()).toEqual({
+        title: i18n.emptyState.title,
+        description: i18n.emptyState.description,
+        svgpath: emptyEscalationPoliciesSvgPath,
+      });
+    });
+  });
+});

ee/spec/helpers/incident_management/escalation_policy_helper_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe IncidentManagement::EscalationPolicyHelper do
+  describe '#escalation_policy_data' do
+    subject(:data) { helper.escalation_policy_data }
+
+    it 'returns scalation policies data' do
+      is_expected.to eq(
+        'empty_escalation_policies_svg_path' => helper.image_path('illustrations/empty-state/empty-escalation.svg')
+      )
+    end
+  end
+end

ee/spec/lib/ee/sidebars/projects/menus/operations_menu_spec.rb

@@ -22,4 +22,20 @@ RSpec.describe Sidebars::Projects::Menus::OperationsMenu do
       specify { is_expected.to be_nil }
     end
   end
+
+  describe 'Escalation policies' do
+    subject { described_class.new(context).items.index { |e| e.item_id == :escalation_policies } }
+
+    before do
+      stub_licensed_features(oncall_schedules: true, escalation_policies: true)
+    end
+
+    specify { is_expected.not_to be_nil }
+
+    describe 'when the user does not have access' do
+      let(:user) { nil }
+
+      specify { is_expected.to be_nil }
+    end
+  end
 end

ee/spec/lib/gitlab/incident_management_spec.rb

@@ -22,4 +22,39 @@ RSpec.describe Gitlab::IncidentManagement do
       it { is_expected.to be_falsey }
     end
   end
+
+  describe '.escalation_policies_available?' do
+    subject { described_class.escalation_policies_available?(project) }
+
+    before do
+      stub_licensed_features(oncall_schedules: true, escalation_policies: true)
+      stub_feature_flags(escalation_policies_mvc: project)
+    end
+
+    it { is_expected.to be_truthy }
+
+    context 'when feature flag disabled' do
+      before do
+        stub_feature_flags(escalation_policies_mvc: false)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when escalation policies not avaialble' do
+      before do
+        stub_licensed_features(escalation_policies: false)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when on-call schedules not available' do
+      before do
+        stub_licensed_features(oncall_schedules: false)
+      end
+
+      it { is_expected.to be_falsey }
+    end
+  end
 end

ee/spec/policies/project_policy_spec.rb

@@ -1483,6 +1483,76 @@ RSpec.describe ProjectPolicy do
     end
   end
 
+  describe 'Escalation Policies' do
+    using RSpec::Parameterized::TableSyntax
+
+    context ':read_incident_management_escalation_policy' do
+      let(:policy) { :read_incident_management_escalation_policy }
+
+      where(:role, :admin_mode, :allowed) do
+        :guest      | nil   | false
+        :reporter   | nil   | true
+        :developer  | nil   | true
+        :maintainer | nil   | true
+        :owner      | nil   | true
+        :admin      | false | false
+        :admin      | true  | true
+      end
+
+      before do
+        enable_admin_mode!(current_user) if admin_mode
+        allow(::Gitlab::IncidentManagement).to receive(:escalation_policies_available?).with(project).and_return(true)
+      end
+
+      with_them do
+        let(:current_user) { public_send(role) }
+
+        it { is_expected.to(allowed ? be_allowed(policy) : be_disallowed(policy)) }
+
+        context 'with unavailable escalation policies' do
+          before do
+            allow(::Gitlab::IncidentManagement).to receive(:escalation_policies_available?).with(project).and_return(false)
+          end
+
+          it { is_expected.to(be_disallowed(policy)) }
+        end
+      end
+    end
+
+    context ':admin_incident_management_escalation_policy' do
+      let(:policy) { :admin_incident_management_escalation_policy }
+
+      where(:role, :admin_mode, :allowed) do
+        :guest      | nil   | false
+        :reporter   | nil   | false
+        :developer  | nil   | false
+        :maintainer | nil   | true
+        :owner      | nil   | true
+        :admin      | false | false
+        :admin      | true  | true
+      end
+
+      before do
+        enable_admin_mode!(current_user) if admin_mode
+        allow(::Gitlab::IncidentManagement).to receive(:escalation_policies_available?).with(project).and_return(true)
+      end
+
+      with_them do
+        let(:current_user) { public_send(role) }
+
+        it { is_expected.to(allowed ? be_allowed(policy) : be_disallowed(policy)) }
+
+        context 'with unavailable escalation policies' do
+          before do
+            allow(::Gitlab::IncidentManagement).to receive(:escalation_policies_available?).with(project).and_return(false)
+          end
+
+          it { is_expected.to(be_disallowed(policy)) }
+        end
+      end
+    end
+  end
+
   context 'when project is readonly because the storage usage limit has been exceeded on the root namespace' do
     let(:current_user) { owner }
     let(:abilities) do

ee/spec/views/layouts/nav/sidebar/_project.html.haml_spec.rb

@@ -284,6 +284,29 @@ RSpec.describe 'layouts/nav/sidebar/_project' do
         end
       end
     end
+
+    describe 'Escalation policies' do
+      before do
+        allow(view).to receive(:current_user).and_return(user)
+        stub_licensed_features(oncall_schedules: true, escalation_policies: true)
+      end
+
+      it 'has a link to the escalation policies page' do
+        render
+
+        expect(rendered).to have_link('Escalation policies', href: project_incident_management_escalation_policies_path(project))
+      end
+
+      describe 'when the user does not have access' do
+        let(:user) { nil }
+
+        it 'does not have a link to the escalation policies page' do
+          render
+
+          expect(rendered).not_to have_link('Escalation policies')
+        end
+      end
+    end
   end
 
   describe 'Settings > Operations' do

locale/gitlab.pot

@@ -12971,6 +12971,21 @@ msgstr ""
 msgid "Errors:"
 msgstr ""
 
+msgid "Escalation Policies"
+msgstr ""
+
+msgid "Escalation policies"
+msgstr ""
+
+msgid "EscalationPolicies|Add an escalation policy"
+msgstr ""
+
+msgid "EscalationPolicies|Create an escalation policy in GitLab"
+msgstr ""
+
+msgid "EscalationPolicies|Set up escalation policies to define who is paged, and when, in the event the first users paged don't respond."
+msgstr ""
+
 msgid "Estimate"
 msgstr ""