[UPD] add google auth route

back/src/users/users.controller.ts

@@ -1,3 +1,5 @@
+// users/users.controller.ts
+
 import {
 	Controller,
 	Get,
@@ -7,7 +9,11 @@ import {
 	Param,
 	Delete,
 	NotFoundException,
+	Req,
+	Res,
+	UseGuards,
 } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
 import { UsersService } from './users.service';
 import { CreateUserDto } from './dto/create-user.dto';
 import { UpdateUserDto } from './dto/update-user.dto';
@@ -52,4 +58,24 @@ export class UsersController {
 	remove(@Param('id') id: string): Promise<User> {
 		return this.usersService.deleteUser({ id: +id });
 	}
+
+	// Google OAuth - Call this endpoint to start the OAuth flow
+	@Get('google')
+	@UseGuards(AuthGuard('google'))
+	async googleAuth() {}
+
+	// Google OAuth - Callback endpoint
+	@Get('google/callback')
+	@UseGuards(AuthGuard('google'))
+	async googleAuthCallback(@Req() req, @Res() res) {
+		try {
+			const user = req.user;
+			// Redirect to frontend with auth information
+			res.redirect(''); // TODO: Add frontend url format example : http://localhost:3000/success?user=${JSON.stringify(user)}`
+		} catch (err) {
+			// Redirect to frontend with error information
+			console.error(err);
+			res.redirect(''); // TODO: Add frontend url format example : http://localhost:3000/error?error=${err}`
+		}
+	}
 }