add server to monorepo.

packages/server/src/api/middleware/I18nAuthenticatedMiddlware.ts

@@ -0,0 +1,37 @@
+import { Container } from 'typedi';
+import { Request, Response, NextFunction } from 'express';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { injectI18nUtils } from './TenantDependencyInjection';
+
+/**
+ * I18n from organization settings.
+ */
+export default (req: Request, res: Response, next: NextFunction) => {
+  const Logger = Container.get('logger');
+  const I18n = Container.get('i18n');
+
+  const { tenantId, tenant } = req;
+
+  if (!req.user) {
+    throw new Error('Should load this middleware after `JWTAuth`.');
+  }
+  if (!req.settings) {
+    throw new Error('Should load this middleware after `SettingsMiddleware`.');
+  }
+  // Get the organization language from settings.
+  const { language } = tenant.metadata;
+
+  if (language) {
+    I18n.setLocale(req, language);
+  }
+  Logger.info('[i18n_authenticated_middleware] set locale language to i18n.', {
+    language,
+    user: req.user,
+  });
+  const tenantServices = Container.get(HasTenancyService);
+  const tenantContainer = tenantServices.tenantContainer(tenantId);
+
+  tenantContainer.set('i18n', injectI18nUtils(req));
+
+  next();
+};