signup with password hashing implemented

backend/controllers/userController.js

@@ -8,5 +8,13 @@ exports.loginUser = async (req, res) => {
 
 //signup user
 exports.signupUser = async (req, res) => {
-    res.json({message: 'Signup'})
+    const { email, password } = req.body;
+
+    try {
+        const user = await User.signup(email, password);
+        res.status(200).json({ email, user });
+    }
+    catch (err) {
+        res.status(400).json({ error: err.message });
+    }
 };  

backend/models/userModel.js

@@ -1,18 +1,34 @@
 const mongoose = require('mongoose');
+const bcrypt = require('bcrypt');
 
 const userSchema = new mongoose.Schema({
     email: {
         type: String,
-        required: [true, 'Email is required'],
+        required: true, 
         unique: true,
-        trim: true,
+        trim: true
 
     },
     password: {
         type: String,
-        required: [true, 'Password is required'],
-        minlength: [6, 'Password must be at least 6 characters']
+        required: true
     }
 }, { timestamps: true });
 
+//static signup method
+userSchema.statics.signup = async function(email, password) {
+    const exists = await this.findOne({ email });
+
+    if (exists) {
+        throw new Error('Email already in use');
+    }
+
+    const salt = await bcrypt.genSalt(10);
+    const hashedPassword = await bcrypt.hash(password, salt);
+
+    const user = await this.create({ email, password: hashedPassword });
+
+    return user;
+};
+
 module.exports = mongoose.model('User', userSchema);