fix: remove client-side cookie setting to prevent duplication

Author: Ang-m4

src/i18n/languageManager.js

@@ -1,5 +1,4 @@
-import { getConfig } from '../config';
-import { getCookies, handleRtl, LOCALE_CHANGED } from './lib';
+import { handleRtl, LOCALE_CHANGED } from './lib';
 import { publish } from '../pubSub';
 import { logError } from '../logging';
 import { updateAuthenticatedUserPreferences, setSessionLanguage } from './languageApi';
@@ -23,10 +22,6 @@ export async function changeUserSessionLanguage(
   languageCode,
   forceReload = false,
 ) {
-  const cookies = getCookies();
-  const cookieName = getConfig().LANGUAGE_PREFERENCE_COOKIE_NAME;
-  cookies.set(cookieName, languageCode);
-
   try {
     await updateAuthenticatedUserPreferences({ prefLang: languageCode });
     await setSessionLanguage(languageCode);

src/i18n/languageManager.test.js

@@ -1,32 +1,19 @@
 import { changeUserSessionLanguage } from './languageManager';
-import { getConfig } from '../config';
-import { getCookies, handleRtl, LOCALE_CHANGED } from './lib';
+import { handleRtl, LOCALE_CHANGED } from './lib';
 import { logError } from '../logging';
 import { publish } from '../pubSub';
 import { updateAuthenticatedUserPreferences, setSessionLanguage } from './languageApi';
 
-jest.mock('../config');
 jest.mock('./lib');
 jest.mock('../logging');
 jest.mock('../pubSub');
 jest.mock('./languageApi');
 
-const LMS_BASE_URL = 'http://test.lms';
-const LANGUAGE_PREFERENCE_COOKIE_NAME = 'lang';
-
 describe('languageManager', () => {
-  let mockCookies;
   let mockReload;
 
   beforeEach(() => {
     jest.clearAllMocks();
-    getConfig.mockReturnValue({
-      LMS_BASE_URL,
-      LANGUAGE_PREFERENCE_COOKIE_NAME,
-    });
-
-    mockCookies = { set: jest.fn() };
-    getCookies.mockReturnValue(mockCookies);
 
     mockReload = jest.fn();
     Object.defineProperty(window, 'location', {
@@ -42,11 +29,6 @@ describe('languageManager', () => {
   describe('changeUserSessionLanguage', () => {
     it('should perform complete language change process', async () => {
       await changeUserSessionLanguage('fr');
-
-      expect(getCookies().set).toHaveBeenCalledWith(
-        LANGUAGE_PREFERENCE_COOKIE_NAME,
-        'fr',
-      );
       expect(updateAuthenticatedUserPreferences).toHaveBeenCalledWith({
         prefLang: 'fr',
       });