✨(frontend) add crisp chatbot

Integrate Crisp chatbot for immediate user support access.

This enables real-time interaction, enhancing user experience
by providing quick assistance.

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to
 - ✨(backend) config endpoint #425
 - ✨(frontend) config endpoint #424
 - ✨(frontend) add sentry #424
+- ✨(frontend) add crisp chatbot #450
 
 ## Changed
 

src/frontend/apps/e2e/__tests__/app-impress/config.spec.ts

@@ -5,6 +5,7 @@ import { expect, test } from '@playwright/test';
 import { createDoc } from './common';
 
 const config = {
+  CRISP_WEBSITE_ID: null,
   COLLABORATION_SERVER_URL: 'ws://localhost:4444',
   ENVIRONMENT: 'development',
   FRONTEND_THEME: 'dsfr',
@@ -132,4 +133,28 @@ test.describe('Config', () => {
     const webSocket = await webSocketPromise;
     expect(webSocket.url()).toContain('ws://localhost:4444/');
   });
+
+  test('it checks that Crisp is trying to init from config endpoint', async ({
+    page,
+  }) => {
+    await page.route('**/api/v1.0/config/', async (route) => {
+      const request = route.request();
+      if (request.method().includes('GET')) {
+        await route.fulfill({
+          json: {
+            ...config,
+            CRISP_WEBSITE_ID: '1234',
+          },
+        });
+      } else {
+        await route.continue();
+      }
+    });
+
+    await page.goto('/');
+
+    await expect(
+      page.locator('#crisp-chatbox').getByText('Invalid website'),
+    ).toBeVisible();
+  });
 });

src/frontend/apps/impress/package.json

@@ -23,6 +23,7 @@
     "@openfun/cunningham-react": "2.9.4",
     "@sentry/nextjs": "8.40.0",
     "@tanstack/react-query": "5.61.3",
+    "crisp-sdk-web": "1.0.25",
     "i18next": "24.0.0",
     "i18next-browser-languagedetector": "8.0.0",
     "idb": "8.0.0",

src/frontend/apps/impress/src/core/auth/__tests__/useAuthStore.test.tsx

@@ -0,0 +1,40 @@
+import { Crisp } from 'crisp-sdk-web';
+import fetchMock from 'fetch-mock';
+
+import { useAuthStore } from '../useAuthStore';
+
+jest.mock('crisp-sdk-web', () => ({
+  ...jest.requireActual('crisp-sdk-web'),
+  Crisp: {
+    isCrispInjected: jest.fn().mockReturnValue(true),
+    setTokenId: jest.fn(),
+    user: {
+      setEmail: jest.fn(),
+    },
+    session: {
+      reset: jest.fn(),
+    },
+  },
+}));
+
+describe('useAuthStore', () => {
+  afterEach(() => {
+    jest.clearAllMocks();
+    fetchMock.restore();
+  });
+
+  it('checks support session is terminated when logout', () => {
+    window.$crisp = true;
+    Object.defineProperty(window, 'location', {
+      value: {
+        ...window.location,
+        replace: jest.fn(),
+      },
+      writable: true,
+    });
+
+    useAuthStore.getState().logout();
+
+    expect(Crisp.session.reset).toHaveBeenCalled();
+  });
+});

src/frontend/apps/impress/src/core/auth/useAuthStore.tsx

@@ -1,6 +1,7 @@
 import { create } from 'zustand';
 
 import { baseApiUrl } from '@/api';
+import { terminateCrispSession } from '@/services';
 
 import { User, getMe } from './api';
 import { PATH_AUTH_LOCAL_STORAGE } from './conf';
@@ -42,6 +43,7 @@ export const useAuthStore = create<AuthStore>((set, get) => ({
     window.location.replace(`${baseApiUrl()}authenticate/`);
   },
   logout: () => {
+    terminateCrispSession();
     window.location.replace(`${baseApiUrl()}logout/`);
   },
   // If we try to access a specific page and we are not authenticated

src/frontend/apps/impress/src/core/config/ConfigProvider.tsx

@@ -3,6 +3,7 @@ import { PropsWithChildren, useEffect } from 'react';
 
 import { Box } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
+import { configureCrispSession } from '@/services';
 import { useSentryStore } from '@/stores/useSentryStore';
 
 import { useConfig } from './api/useConfig';
@@ -28,6 +29,14 @@ export const ConfigProvider = ({ children }: PropsWithChildren) => {
     setTheme(conf.FRONTEND_THEME);
   }, [conf?.FRONTEND_THEME, setTheme]);
 
+  useEffect(() => {
+    if (!conf?.CRISP_WEBSITE_ID) {
+      return;
+    }
+
+    configureCrispSession(conf.CRISP_WEBSITE_ID);
+  }, [conf?.CRISP_WEBSITE_ID]);
+
   if (!conf) {
     return (
       <Box $height="100vh" $width="100vw" $align="center" $justify="center">

src/frontend/apps/impress/src/core/config/api/useConfig.tsx

@@ -4,13 +4,14 @@ import { APIError, errorCauses, fetchAPI } from '@/api';
 import { Theme } from '@/cunningham/';
 
 interface ConfigResponse {
-  SENTRY_DSN: string;
-  COLLABORATION_SERVER_URL: string;
-  ENVIRONMENT: string;
-  FRONTEND_THEME: Theme;
   LANGUAGES: [string, string][];
   LANGUAGE_CODE: string;
-  MEDIA_BASE_URL: string;
+  ENVIRONMENT: string;
+  COLLABORATION_SERVER_URL?: string;
+  CRISP_WEBSITE_ID?: string;
+  FRONTEND_THEME?: Theme;
+  MEDIA_BASE_URL?: string;
+  SENTRY_DSN?: string;
 }
 
 export const getConfig = async (): Promise<ConfigResponse> => {

src/frontend/apps/impress/src/services/Crisp.tsx

@@ -0,0 +1,30 @@
+/**
+ * Configure Crisp chat for real-time support across all pages.
+ */
+
+import { Crisp } from 'crisp-sdk-web';
+
+import { User } from '@/core';
+
+export const initializeCrispSession = (user: User) => {
+  if (!Crisp.isCrispInjected()) {
+    return;
+  }
+  Crisp.setTokenId(`impress-${user.id}`);
+  Crisp.user.setEmail(user.email);
+};
+
+export const configureCrispSession = (websiteId: string) => {
+  if (Crisp.isCrispInjected()) {
+    return;
+  }
+  Crisp.configure(websiteId);
+};
+
+export const terminateCrispSession = () => {
+  if (!Crisp.isCrispInjected()) {
+    return;
+  }
+  Crisp.setTokenId();
+  Crisp.session.reset();
+};

src/frontend/apps/impress/src/services/index.ts

@@ -0,0 +1 @@
+export * from './Crisp';

src/frontend/yarn.lock

@@ -5930,6 +5930,11 @@ crelt@^1.0.0:
   resolved "https://registry.yarnpkg.com/crelt/-/crelt-1.0.6.tgz#7cc898ea74e190fb6ef9dae57f8f81cf7302df72"
   integrity sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==
 
+crisp-sdk-web@1.0.25:
+  version "1.0.25"
+  resolved "https://registry.yarnpkg.com/crisp-sdk-web/-/crisp-sdk-web-1.0.25.tgz#5566227dfcc018435b228db2f998d66581e5fdef"
+  integrity sha512-CWTHFFeHRV0oqiXoPh/aIAKhFs6xcIM4NenGPnClAMCZUDQgQsF1OWmZWmnVNjJriXUmWRgDfeUxcxygS0dCRA==
+
 cross-env@*, cross-env@7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-7.0.3.tgz#865264b29677dc015ba8418918965dd232fc54cf"