use next i18 next

apps/app/src/server/routes/apiv3/page/create-page.ts

@@ -1,4 +1,4 @@
-import { allOrigin } from '@growi/core';
+import { allOrigin, Lang } from '@growi/core';
 import type {
   IPage, IUser, IUserHasId,
 } from '@growi/core';
@@ -9,6 +9,7 @@ import type { Request, RequestHandler } from 'express';
 import type { ValidationChain } from 'express-validator';
 import { body } from 'express-validator';
 import mongoose from 'mongoose';
+import { i18n } from 'next-i18next';
 
 import { SupportedAction, SupportedTargetModel } from '~/interfaces/activity';
 import type { IApiv3PageCreateParams } from '~/interfaces/apiv3';
@@ -22,6 +23,7 @@ import {
 import type { PageDocument, PageModel } from '~/server/models/page';
 import PageTagRelation from '~/server/models/page-tag-relation';
 import { configManager } from '~/server/service/config-manager';
+import { detectLocaleFromBrowserAcceptLanguage } from '~/utils/locale-utils';
 import loggerFactory from '~/utils/logger';
 
 import { apiV3FormValidator } from '../../../middlewares/apiv3-form-validator';
@@ -42,8 +44,16 @@ async function generateUntitledPath(parentPath: string, basePathname: string, in
   return path;
 }
 
-async function determinePath(t: any, _parentPath?: string, _path?: string, optionalParentPath?: string): Promise<string> {
-  const basePathname = t('create_page.untitled');
+async function determinePath(req: any, _parentPath?: string, _path?: string, optionalParentPath?: string): Promise<string> {
+  const user = req.user;
+  const headers = req.headers;
+
+  // determine language
+  const locale = user == null ? detectLocaleFromBrowserAcceptLanguage(headers)
+    : (user.lang ?? configManager.getConfig('crowi', 'app:globalLang') as Lang ?? Lang.en_US);
+
+  const t = i18n?.getFixedT(locale);
+  const basePathname = t?.('create_page.untitled') || 'Untitled';
 
   if (_path != null) {
     const path = normalizePath(_path);
@@ -214,7 +224,7 @@ export const createPageHandlersFactory: CreatePageHandlersFactory = (crowi) => {
       let pathToCreate: string;
       try {
         const { path, parentPath, optionalParentPath } = req.body;
-        pathToCreate = await determinePath(req.t, parentPath, path, optionalParentPath);
+        pathToCreate = await determinePath(req, parentPath, path, optionalParentPath);
       }
       catch (err) {
         return res.apiv3Err(new ErrorV3(err.toString(), 'could_not_create_page'));