From 8b2de06d3ed94979fc681c87be71937c273dca4c Mon Sep 17 00:00:00 2001
From: Tania2607 <26tania513@gmail.com>
Date: Mon, 28 Jul 2025 20:08:58 +0530
Subject: [PATCH] Fix: Normalize userId to integer in POST/PUT requests

---
 src/app.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/app.js b/src/app.js
index d734af4..963d0b0 100644
--- a/src/app.js
+++ b/src/app.js
@@ -5,16 +5,32 @@ const data = require('../data.json')
 const app = jsonServer.create()
 const router = jsonServer.router(clone(data), { _isFake: true })
 
+// Reset state for each request (except root)
 app.use((req, res, next) => {
   if (req.path === '/') return next()
   router.db.setState(clone(data))
   next()
 })
 
+// Middleware to normalize userId to integer in POST and PUT
+app.use((req, res, next) => {
+  if (
+    (req.method === 'POST' || req.method === 'PUT') &&
+    req.body &&
+    typeof req.body.userId === 'string'
+  ) {
+    const parsed = parseInt(req.body.userId, 10)
+    req.body.userId = isNaN(parsed) ? req.body.userId : parsed
+  }
+  next()
+})
+
+// Default middleware (logger, static, CORS, etc)
 app.use(jsonServer.defaults({
   logger: process.env.NODE_ENV !== 'production'
 }))
 
+// Use JSON Server router
 app.use(router)
 
 module.exports = app