Fix duplicated guests

back/src/auth/auth.controller.ts

@@ -57,12 +57,8 @@ export class AuthController {
 	@HttpCode(200)
 	@Post('guest')
 	async guest(): Promise<JwtToken> {
-		try {
-			const user = await this.usersService.createGuest();
-			return this.authService.login(user);
-		} catch {
-			throw new BadRequestException();
-		}
+		const user = await this.usersService.createGuest();
+		return this.authService.login(user);
 	}
 
 	@UseGuards(JwtAuthGuard)

back/src/users/users.service.ts

@@ -2,6 +2,7 @@ import { Injectable } from '@nestjs/common';
 import { User, Prisma } from '@prisma/client';
 import { PrismaService } from 'src/prisma/prisma.service';
 import * as bcrypt from 'bcryptjs';
+import { randomUUID } from 'crypto';
 
 @Injectable()
 export class UsersService {
@@ -42,7 +43,7 @@ export class UsersService {
 	async createGuest(): Promise<User> {
 		return this.prisma.user.create({
 			data: {
-				username: 'Guest',
+				username: `Guest ${randomUUID()}`,
 				isGuest: true,
 				// Not realyl clean but better than a separate table or breaking the api by adding nulls.
 				email: '',