feat: add register-guest api

server/src/api/controllers/authController.ts

@@ -1,7 +1,7 @@
 import type { Request, Response, NextFunction, Express } from 'express'
 import { matchedData } from 'express-validator'
 import { genJWT } from '../../utils/auth.js'
-import { createUser } from '../../models/userManager.js'
+import { createUser, createGuestUser } from '../../models/userManager.js'
 import { asyncHandler } from '../../middleware/error.js'
 import logger from '../../utils/logger.js'
 
@@ -39,6 +39,30 @@ export const register = asyncHandler(
   }
 )
 
+export const registerGuest = asyncHandler(
+  async (req: Request, res: Response) => {
+    const user = await createGuestUser()
+    req.login(
+      {
+        id: user.id,
+        username: user.username,
+        email: user.email,
+      },
+      (err) => {
+        if (err) {
+          res.status(500).json({
+            message: 'error logging in',
+          })
+          return
+        }
+        res.status(201).json({
+          message: 'user created',
+        })
+      }
+    )
+  }
+)
+
 export function logout(req: Request, res: Response) {
   req.logout((err) => {
     if (err) {

server/src/api/routes/authRouter.ts

@@ -9,6 +9,7 @@ import {
   logout,
   registerFromSession,
   socialLoginHandler,
+  registerGuest,
 } from '../controllers/authController.js'
 import {
   checkUsernameValidators,
@@ -32,6 +33,8 @@ router.post(
 
 router.post('/register', authenticateRateLimit, registerValidators, register)
 
+router.post('/register-guest', authenticateRateLimit, registerGuest)
+
 router.post('/logout', logout)
 
 router.get(

server/src/models/userManager.ts

@@ -1,4 +1,5 @@
 import { Express } from 'express'
+import { format } from 'date-fns'
 import { User, UserProfile } from '@linux-odyssey/models'
 import { hashPassword } from '../utils/auth.js'
 
@@ -31,6 +32,22 @@ export async function createUser(
   return user
 }
 
+export async function createGuestUser() {
+  const username = `guest_${format(new Date(), 'yyyyMMddHHmmss')}`
+  const user = new User({
+    username,
+    email: `${username}@example.com`,
+  })
+  await user.save()
+
+  const profile = new UserProfile({
+    user,
+  })
+  await profile.save()
+
+  return user
+}
+
 export function leaderboard() {
   return UserProfile.aggregate([
     {