Create models/User.js

models/User.js

@@ -0,0 +1,13 @@
+const db = require('../database');
+
+const User = {
+    create: (username, password, role = 'user', callback) => {
+        const sql = `INSERT INTO users (username, password, role) VALUES (?, ?, ?)`;
+        db.query(sql, [username, password, role], callback);
+    },
+    findByUsername: (username, callback) => {
+        db.query('SELECT * FROM users WHERE username = ?', [username], callback);
+    }
+};
+
+module.exports = User;