fix supper admin create

Author: sameer2210

backend/src/models/user.model.js

@@ -31,13 +31,12 @@ const userSchema = new mongoose.Schema(
 );
 
 // Hash password before saving
-userSchema.pre("save", async function (next) {
+userSchema.pre("save", async function () {
   if (!this.isModified("password")) {
-    return next();
+    return;
   }
   const salt = await bcrypt.genSalt(10);
   this.password = await bcrypt.hash(this.password, salt);
-  next();
 });
 
 // Compare password

backend/src/scripts/seedAdmin.js

@@ -3,30 +3,14 @@
 // src/scripts/seedAdmin.js
 import dotenv from 'dotenv';
 import connectDB from '../config/db.js';
-import User from '../models/user.model.js';
+import ensureAdmin from "../utils/ensureAdmin.js";
 
 dotenv.config();
 
 const seedAdmin = async () => {
   try {
     await connectDB();
-
-    // check if an admin already exists
-    const adminExists = await User.findOne({ role: 'admin' });
-    if (adminExists) {
-      console.log(`Admin already exists: ${adminExists.email}`);
-      process.exit();
-    }
-
-    // create admin from env
-    await User.create({
-      name: process.env.ADMIN_NAME,
-      email: process.env.ADMIN_EMAIL,
-      password: process.env.ADMIN_PASSWORD,
-      role: 'admin',
-    });
-
-    console.log('Admin user created successfully!');
+    await ensureAdmin();
     process.exit();
   } catch (error) {
     console.error('Error seeding admin:', error.message);

backend/src/server.js

@@ -1,6 +1,7 @@
 import http from 'http';
 import app from './app.js';
 import connectDB from './config/db.js';
+import ensureAdmin from "./utils/ensureAdmin.js";
 
 const PORT = process.env.PORT || 5000;
 
@@ -9,6 +10,7 @@ const server = http.createServer(app); // Create HTTP server
 const startServer = async () => {
   try {
     await connectDB();
+    await ensureAdmin();
     server.listen(PORT, () => {
       console.log(`Server is running on PORT ${PORT}`);
     });

backend/src/utils/ensureAdmin.js

@@ -0,0 +1,39 @@
+import User from "../models/user.model.js";
+
+const ensureAdmin = async () => {
+  const name = process.env.ADMIN_NAME;
+  const email = process.env.ADMIN_EMAIL;
+  const password = process.env.ADMIN_PASSWORD;
+
+  if (!name || !email || !password) {
+    console.log(
+      "Admin seed skipped: ADMIN_NAME, ADMIN_EMAIL, or ADMIN_PASSWORD is missing."
+    );
+    return;
+  }
+
+  const existingAdmin = await User.findOne({ role: "admin" });
+  if (existingAdmin) {
+    return;
+  }
+
+  const existingByEmail = await User.findOne({ email });
+  if (existingByEmail) {
+    existingByEmail.role = "admin";
+    existingByEmail.name = name;
+    await existingByEmail.save();
+    console.log(`Admin role granted to existing user: ${email}`);
+    return;
+  }
+
+  await User.create({
+    name,
+    email,
+    password,
+    role: "admin",
+  });
+
+  console.log(`Admin user created: ${email}`);
+};
+
+export default ensureAdmin;