Add overage check for members and groups

Implement business logic to show overage confirmation

EE: true
Changelog: changed

app/assets/javascripts/invite_members/components/invite_members_modal.vue

@@ -44,6 +44,10 @@ export default {
       type: String,
       required: true,
     },
+    rootId: {
+      type: String,
+      required: true,
+    },
     isProject: {
       type: Boolean,
       required: true,
@@ -290,6 +294,8 @@ export default {
     :submit-disabled="inviteDisabled"
     :invalid-feedback-message="invalidFeedbackMessage"
     :is-loading="isLoading"
+    :new-users-to-invite="newUsersToInvite"
+    :root-group-id="rootId"
     @reset="resetFields"
     @submit="sendInvite"
     @access-level="onAccessLevelUpdate"

app/assets/javascripts/invite_members/init_invite_members_modal.js

@@ -5,15 +5,11 @@ import { parseBoolean } from '~/lib/utils/common_utils';
 
 Vue.use(GlToast);
 
-let initedInviteMembersModal;
-
-export default function initInviteMembersModal() {
-  if (initedInviteMembersModal) {
-    // if we already loaded this in another part of the dom, we don't want to do it again
-    // else we will stack the modals
-    return false;
-  }
+export default (function initInviteMembersModal() {
+  let inviteMembersModal;
 
+  return () => {
+    if (!inviteMembersModal) {
       // https://gitlab.com/gitlab-org/gitlab/-/issues/344955
       // bug lying in wait here for someone to put group and project invite in same screen
       // once that happens we'll need to mount these differently, perhaps split
@@ -24,9 +20,7 @@ export default function initInviteMembersModal() {
         return false;
       }
 
-  initedInviteMembersModal = true;
-
-  return new Vue({
+      inviteMembersModal = new Vue({
         el,
         name: 'InviteMembersModalRoot',
         provide: {
@@ -46,4 +40,7 @@ export default function initInviteMembersModal() {
             },
           }),
       });
-}
+    }
+    return inviteMembersModal;
+  };
+})();

app/helpers/invite_members_helper.rb

@@ -48,6 +48,7 @@ module InviteMembersHelper
   def common_invite_modal_dataset(source)
     dataset = {
       id: source.id,
+      root_id: source&.root_ancestor&.id,
       name: source.name,
       default_access_level: Gitlab::Access::GUEST
     }

ee/app/assets/javascripts/invite_members/check_overage.js

+import { difference } from 'lodash';
+
+/**
+ * This method checks if adding given users (by ids or email) or a group id
+ * will trigger an overage.
+ *
+ * Returns the boolean flag if overage is present and a total count of users
+ * to be billed in case of overage
+ *
+ *  @param {Object} subscriptionData           Data from related subscription
+ *    @param {Number} subscriptionSeats
+ *    @param {Number} maxSeatsUsed             Maximum of seats being used for this subscription
+ *    @param {Number} seatsInUse               Amount of seats currently in use
+ *    @param {Array} billedUserIds             Array of ids of already billed users
+ *    @param {Array} billedUserEmails          Array of emails of already billed users
+ *    @param {Boolean} isFreePlan
+ *  @param {Array} usersToInviteByEmail        Array emails of users to be invited by email
+ *  @param {Array} usersToAddById              Array ids of users to be invited by id
+ *  @param {Number} groupIdToInvite             namespaceId of the added group
+ *
+ * @returns {Object}
+ */
+
+export const checkOverage = (
+  { subscriptionSeats, maxSeatsUsed, seatsInUse, billedUserIds, billedUserEmails, isFreeGroup },
+  usersToAddById,
+  usersToInviteByEmail,
+) => {
+  // overage only possible on paid plans
+  if (isFreeGroup) {
+    return { usersOverage: null, hasOverage: false };
+  }
+
+  // we could add a user to already overfilled group
+  const initialUserCount = subscriptionSeats < maxSeatsUsed ? maxSeatsUsed : subscriptionSeats;
+  const addedByIdUsersCount = difference(usersToAddById, billedUserIds).length;
+  const addedByEmailUsersCount = difference(usersToInviteByEmail, billedUserEmails).length;
+  const totalUserCount = seatsInUse + addedByIdUsersCount + addedByEmailUsersCount;
+
+  return {
+    usersOverage: totalUserCount,
+    hasOverage: initialUserCount < totalUserCount,
+  };
+};

ee/app/assets/javascripts/invite_members/components/invite_modal_base.vue

 <script>
 import { GlLink, GlButton } from '@gitlab/ui';
+import { partition, isString } from 'lodash';
 import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
 import InviteModalBase from '~/invite_members/components/invite_modal_base.vue';
 import {
@@ -11,6 +12,8 @@ import {
   overageModalInfoText,
   overageModalInfoWarning,
 } from '../constants';
+import { checkOverage } from '../check_overage';
+import { fetchSubscription } from '../get_subscription_data';
 
 const OVERAGE_CONTENT_SLOT = 'overage-content';
 const EXTRA_SLOTS = [
@@ -40,16 +43,23 @@ export default {
       type: String,
       required: true,
     },
-    subscriptionSeats: {
-      type: Number,
+    rootGroupId: {
+      type: String,
+      required: false,
+      default: '',
+    },
+    newUsersToInvite: {
+      type: Array,
       required: false,
-      default: 10, // TODO: pass data from backend https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78287
+      default: () => [],
     },
   },
   data() {
     return {
       hasOverage: false,
       totalUserCount: null,
+      subscriptionSeats: 0,
+      namespaceId: parseInt(this.rootGroupId, 10),
     };
   },
   computed: {
@@ -96,18 +106,37 @@ export default {
 
       return listeners;
     },
-    onReset(...args) {
+    onReset() {
       // don't reopen the overage modal
       this.hasOverage = false;
 
-      this.$emit('reset', ...args);
+      this.$emit('reset');
     },
-    onSubmit(...args) {
+    onSubmit(args) {
       if (this.enabledOverageCheck && !this.hasOverage) {
-        this.totalUserCount = 1;
-        this.hasOverage = true;
+        this.checkAndSubmit(args);
+      } else {
+        this.$emit('submit', { accessLevel: args.accessLevel, expiresAt: args.expiresAt });
+      }
+    },
+    async checkAndSubmit(args) {
+      this.isLoading = true;
+      const [usersToInviteByEmail, usersToAddById] = this.partitionNewUsersToInvite();
+      const subscriptionData = await fetchSubscription(this.namespaceId);
+      this.subscriptionSeats = subscriptionData.subscriptionSeats;
+
+      const { hasOverage, usersOverage } = checkOverage(
+        subscriptionData,
+        usersToAddById,
+        usersToInviteByEmail,
+      );
+      this.isLoading = false;
+      this.hasOverage = hasOverage;
+
+      if (hasOverage) {
+        this.totalUserCount = usersOverage;
       } else {
-        this.$emit('submit', ...args);
+        this.$emit('submit', { accessLevel: args.accessLevel, expiresAt: args.expiresAt });
       }
     },
     handleBack() {
@@ -116,6 +145,14 @@ export default {
     passthroughSlotNames() {
       return Object.keys(this.$scopedSlots || {});
     },
+    partitionNewUsersToInvite() {
+      const [usersToInviteByEmail, usersToAddById] = partition(
+        this.newUsersToInvite,
+        ({ id }) => isString(id) && id.includes('user-defined-token'),
+      );
+
+      return [usersToInviteByEmail.map(({ name }) => name), usersToAddById.map(({ id }) => id)];
+    },
   },
   i18n: {
     OVERAGE_MODAL_TITLE,

ee/app/assets/javascripts/invite_members/get_subscription_data.js

+import { memoize } from 'lodash';
+import Api from 'ee/api';
+
+const isFreeGroup = (plan) => ['free', null].includes(plan.code);
+
+const fetchSubscriptionData = memoize((id) =>
+  Api.userSubscription(id).then((response) => response.data),
+);
+
+export const fetchSubscription = async (namespaceId) => {
+  const data = await fetchSubscriptionData(namespaceId);
+
+  return {
+    subscriptionSeats: data.usage.seats_in_subscription,
+    // Fetch data in https://gitlab.com/gitlab-org/gitlab/-/issues/354768
+    billedUserIds: [],
+    billedUserEmails: [],
+    maxSeatsUsed: data.usage.max_seats_used,
+    seatsInUse: data.usage.seats_in_use,
+    isFreeGroup: isFreeGroup(data.plan),
+  };
+};

ee/spec/features/groups/members/manage_members_spec.rb

@@ -2,48 +2,91 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Groups > Members > Manage members' do
+RSpec.describe 'Groups > Members > Manage members', :saas, :js do
   include Spec::Support::Helpers::Features::MembersHelpers
   include Spec::Support::Helpers::Features::InviteMembersModalHelper
   include Spec::Support::Helpers::ModalHelpers
 
   let_it_be(:user1) { create(:user, name: 'John Doe') }
   let_it_be(:user2) { create(:user, name: 'Mary Jane') }
+  let_it_be(:user3) { create(:user, name: 'Peter Parker') }
   let_it_be(:group) { create(:group) }
 
+  let(:premium_plan) { create(:premium_plan) }
+
+  shared_examples "adding one user doesn't trigger an overage modal" do
+    it do
+      group.add_owner(user1)
+      add_user_by_name(user2.name, 'Developer')
+
+      expect(page).not_to have_content("You are about to incur additional charges")
+      wait_for_requests
+
+      page.refresh
+
+      page.within(second_row) do
+        expect(page).to have_content(user2.name)
+        expect(page).to have_button('Developer')
+      end
+    end
+  end
+
   before do
     sign_in(user1)
+    stub_application_setting(check_namespace_plan: true)
   end
 
-  context 'when adding a member to a group triggers an overage', :js, :aggregate_failures do
+  context 'adding a member to a free group' do
     before do
-      allow(Gitlab).to receive(:com?) { true }
-      create(:gitlab_subscription, namespace: group)
-      stub_application_setting(check_namespace_plan: true)
+      create(:gitlab_subscription, namespace: group, hosted_plan: nil)
     end
 
-    it 'show an overage modal and invites a member to a group if confirmed' do
-      group.add_owner(user1)
+    it_behaves_like "adding one user doesn't trigger an overage modal"
+  end
+
+  context 'when adding a member to a premium group' do
+    context 'when there is one free space in the subscription' do
+      before do
+        create(:gitlab_subscription, namespace: group, hosted_plan: premium_plan, seats: 2, seats_in_use: 1)
+      end
+
+      it_behaves_like "adding one user doesn't trigger an overage modal"
 
+      it 'adding two users triggers overage modal', :aggregate_failures do
+        group.add_owner(user1)
         visit group_group_members_path(group)
 
         click_on 'Invite members'
 
         page.within '[data-testid="invite-modal"]' do
-        find('[data-testid="members-token-select-input"]').set(user2.name)
+          add_user_to_input(user2.name)
+          add_user_to_input(user3.name)
 
-        wait_for_requests
-        click_button user2.name
           choose_options('Developer', nil)
 
           click_button 'Invite'
+        end
 
-        expect(page).to have_content("Your subscription includes 10 seats. If you continue, the #{group.name} group will have 1 seat in use and will be billed for the overage. Learn more.")
+        expect(page).to have_content("You are about to incur additional charges")
+        expect(page).to have_content("Your subscription includes 2 seats. If you continue, the #{group.name} group will have 3 seats in use and will be billed for the overage. Learn more.")
+      end
+    end
+
+    context 'when modal is shown' do
+      before do
+        create(:gitlab_subscription, namespace: group, hosted_plan: premium_plan, seats: 1, seats_in_use: 1)
+      end
+
+      it 'invites a member to a group if confirmed', :aggregate_failures do
+        group.add_owner(user1)
+        add_user_by_name(user2.name, 'Developer')
+
+        expect(page).to have_content("You are about to incur additional charges")
+        expect(page).to have_content("Your subscription includes 1 seat. If you continue, the #{group.name} group will have 2 seats in use and will be billed for the overage. Learn more.")
 
         click_button 'Continue'
 
         page.refresh
-      end
 
         page.within(second_row) do
           expect(page).to have_content(user2.name)
@@ -51,26 +94,14 @@ RSpec.describe 'Groups > Members > Manage members' do
         end
       end
 
-    it 'show an overage modal and get back to initial modal if not confirmed' do
+      it 'get back to initial modal if not confirmed', :aggregate_failures do
         group.add_owner(user1)
+        add_user_by_name(user2.name, 'Developer')
 
-      visit group_group_members_path(group)
-
-      click_on 'Invite members'
-
-      page.within '[data-testid="invite-modal"]' do
-        find('[data-testid="members-token-select-input"]').set(user2.name)
-
-        wait_for_requests
-        click_button user2.name
-        choose_options('Developer', nil)
-
-        click_button 'Invite'
-
-        expect(page).to have_content("Your subscription includes 10 seats. If you continue, the #{group.name} group will have 1 seat in use and will be billed for the overage. Learn more.")
+        expect(page).to have_content("You are about to incur additional charges")
+        expect(page).to have_content("Your subscription includes 1 seat. If you continue, the #{group.name} group will have 2 seats in use and will be billed for the overage. Learn more.")
 
         click_button 'Back'
-      end
 
         expect(page).to have_content("You're inviting members to the #{group.name} group.")
 
@@ -80,4 +111,25 @@ RSpec.describe 'Groups > Members > Manage members' do
         expect(page).not_to have_button('Developer')
       end
     end
+  end
+
+  def add_user_by_name(name, role)
+    visit group_group_members_path(group)
+
+    click_on 'Invite members'
+
+    page.within '[data-testid="invite-modal"]' do
+      add_user_to_input(name)
+      choose_options(role, nil)
+
+      click_button 'Invite'
+    end
+  end
+
+  def add_user_to_input(name)
+    find('[data-testid="members-token-select-input"]').set(name)
+
+    wait_for_requests
+    click_button name
+  end
 end

ee/spec/frontend/invite_members/check_overage_spec.js

+import { checkOverage } from 'ee/invite_members/check_overage';
+import {
+  freePlanSubsciption,
+  oneFreeSeatSubscription,
+  noFreePlacesSubscription,
+  subscriptionWithOverage,
+} from './mock_data';
+
+describe('overage check', () => {
+  it('returns no overage on free plans', () => {
+    const result = checkOverage(freePlanSubsciption, [], []);
+
+    expect(result.hasOverage).toBe(false);
+  });
+
+  it('returns no overage when there is one free seat', () => {
+    const result = checkOverage(oneFreeSeatSubscription, [], ['new_user@email.com']);
+
+    expect(result.hasOverage).toBe(false);
+  });
+
+  it('returns overage when new user added by id', () => {
+    const result = checkOverage(noFreePlacesSubscription, [2], []);
+
+    expect(result.hasOverage).toBe(true);
+    expect(result.usersOverage).toBe(2);
+  });
+
+  it('returns overage when new user added by email', () => {
+    const result = checkOverage(noFreePlacesSubscription, [], ['test2@example']);
+
+    expect(result.hasOverage).toBe(true);
+    expect(result.usersOverage).toBe(2);
+  });
+
+  it('returns overage for only overlapping users added by id', () => {
+    const result = checkOverage(noFreePlacesSubscription, [1, 2, 3], []);
+
+    expect(result.hasOverage).toBe(true);
+    expect(result.usersOverage).toBe(3);
+  });
+
+  it('returns overage for only overlapping users added by emails', () => {
+    const result = checkOverage(
+      noFreePlacesSubscription,
+      [],
+      ['test@example', 'test2@example', 'test3@example'],
+    );
+
+    expect(result.hasOverage).toBe(true);
+    expect(result.usersOverage).toBe(3);
+  });
+
+  it('returns overage for only overlapping users added by ids and emails', () => {
+    const result = checkOverage(
+      noFreePlacesSubscription,
+      [1, 2],
+      ['test@example', 'test2@example'],
+    );
+
+    expect(result.hasOverage).toBe(true);
+    expect(result.usersOverage).toBe(3);
+  });
+
+  it('returns no overage if adding a user does not increase seats owed', () => {
+    const result = checkOverage(subscriptionWithOverage, [2], []);
+
+    expect(result.hasOverage).toBe(false);
+  });
+});

ee/spec/frontend/invite_members/components/invite_modal_base_spec.js

@@ -11,6 +11,15 @@ import {
   OVERAGE_MODAL_BACK_BUTTON,
 } from 'ee/invite_members/constants';
 import { propsData } from 'jest/invite_members/mock_data/modal_base';
+import { noFreePlacesSubscription as mockSubscription } from '../mock_data';
+
+jest.mock('ee/invite_members/check_overage', () => ({
+  checkOverage: jest.fn().mockImplementation(() => ({ hasOverage: true, usersOverage: 2 })),
+}));
+
+jest.mock('ee/invite_members/get_subscription_data', () => ({
+  fetchSubscription: jest.fn().mockImplementation(() => mockSubscription),
+}));
 
 describe('EEInviteModalBase', () => {
   let wrapper;
@@ -135,7 +144,7 @@ describe('EEInviteModalBase', () => {
 
     it('shows the info text', () => {
       expect(wrapper.findComponent(GlModal).text()).toContain(
-        'If you continue, the _name_ group will have 1 seat in use and will be billed for the overage.',
+        'Your subscription includes 1 seat. If you continue, the _name_ group will have 2 seats in use and will be billed for the overage.',
       );
     });
 

ee/spec/frontend/invite_members/get_subscription_data_spec.js

+import { mockDataSubscription } from 'ee_jest/billings/mock_data';
+import { fetchSubscription } from 'ee/invite_members/get_subscription_data';
+import Api from 'ee/api';
+
+jest.mock('ee/api.js', () => ({
+  userSubscription: jest
+    .fn()
+    .mockResolvedValueOnce({ data: mockDataSubscription.gold })
+    .mockResolvedValueOnce({ data: mockDataSubscription.free }),
+}));
+
+describe('fetchUserIdsFromGroup', () => {
+  it('caches the response for the same input', async () => {
+    await fetchSubscription(1);
+    await fetchSubscription(1);
+    expect(Api.userSubscription).toHaveBeenCalledTimes(1);
+  });
+
+  it('returns correct subscription data for paid group', async () => {
+    const result = await fetchSubscription(1);
+    expect(result).toEqual({
+      billedUserEmails: [],
+      billedUserIds: [],
+      isFreeGroup: false,
+      maxSeatsUsed: 104,
+      seatsInUse: 98,
+      subscriptionSeats: 100,
+    });
+  });
+
+  it('returns correct subscription data for free group', async () => {
+    const result = await fetchSubscription(2);
+    expect(result).toEqual({
+      billedUserEmails: [],
+      billedUserIds: [],
+      isFreeGroup: true,
+      maxSeatsUsed: 5,
+      seatsInUse: 0,
+      subscriptionSeats: 0,
+    });
+  });
+});

ee/spec/frontend/invite_members/mock_data.js

+const generateSubscriptionData = ({
+  isFreeGroup = false,
+  subscriptionSeats = 1,
+  maxSeatsUsed = 0,
+  seatsInUse = 0,
+  billedUserIds = [],
+  billedUserEmails = [],
+} = {}) => ({
+  isFreeGroup,
+  subscriptionSeats,
+  maxSeatsUsed,
+  seatsInUse,
+  billedUserIds,
+  billedUserEmails,
+});
+
+export const freePlanSubsciption = generateSubscriptionData({ isFreeGroup: true });
+export const oneFreeSeatSubscription = generateSubscriptionData();
+export const noFreePlacesSubscription = generateSubscriptionData({
+  maxSeatsUsed: 1,
+  seatsInUse: 1,
+  billedUserIds: [1],
+  billedUserEmails: ['test@example'],
+});
+export const subscriptionWithOverage = generateSubscriptionData({
+  maxSeatsUsed: 2,
+  seatsInUse: 1,
+  billedUserIds: [1],
+  billedUserEmails: ['test@example'],
+});

spec/frontend/invite_members/mock_data/member_modal.js

 export const propsData = {
   id: '1',
+  rootId: '1',
   name: 'test name',
   isProject: false,
   accessLevels: { Guest: 10, Reporter: 20, Developer: 30, Maintainer: 40, Owner: 50 },

spec/helpers/invite_members_helper_spec.rb

@@ -35,6 +35,7 @@ RSpec.describe InviteMembersHelper do
     it 'has expected common attributes' do
       attributes = {
         id: project.id,
+        root_id: project.root_ancestor.id,
         name: project.name,
         default_access_level: Gitlab::Access::GUEST
       }