feature: localization's first implmentation

backend/src/modules/auth/auth.controller.ts

@@ -9,7 +9,8 @@ import {
   Res,
   HttpCode,
   HttpStatus,
-  Get
+  Get,
+  Patch,
 } from '@nestjs/common';
 import type { Response } from 'express';
 import {
@@ -28,6 +29,7 @@ import { RegisterDto } from './dto/register.dto';
 import { CreateOrganizationDto } from './dto/create-organization.dto';
 import { JwtAuthGuard } from './guards/jwt-auth.guard';
 import { LocalAuthGuard } from './guards/local-auth.guard';
+import { UpdateLanguageDto } from './dto/update-language.dto';
 
 @ApiTags('auth')
 @Controller('auth')
@@ -149,6 +151,14 @@ export class AuthController {
     return this.authService.getProfile(req.user.id);
   }
 
+  @Patch('profile/language')
+  @UseGuards(JwtAuthGuard)
+  @ApiBearerAuth('JWT-auth')
+  @ApiOperation({ summary: 'Update user language preference' })
+  async updateLanguage(@Req() req, @Body() dto: UpdateLanguageDto) {
+    return this.authService.updateLanguage(req.user.id, dto);
+  }
+
   @Get('subscription-alert')
   @UseGuards(JwtAuthGuard)
   @ApiBearerAuth('JWT-auth')