feat: user profile customization: username, password, and avatar (#315)

backend/routes/users/updatePassword.js

@@ -0,0 +1,49 @@
+import express from 'express';
+import bcrypt from 'bcrypt';
+import { DataTypes } from 'sequelize';
+import defineUser from '../../models/users.js';
+import authMiddleware from '../../middleware/auth.js';
+const router = express.Router();
+
+export default function (sequelize) {
+  const { verifySignedIn } = authMiddleware(sequelize);
+  const User = defineUser(sequelize, DataTypes);
+
+  // Change user password
+  router.put('/password', verifySignedIn, async (req, res) => {
+    try {
+      const userId = req.userId;
+      const { currentPassword, newPassword } = req.body;
+
+      if (!currentPassword || !newPassword) {
+        return res.status(400).send('Current password and new password are required');
+      }
+
+      if (newPassword.length < 8) {
+        return res.status(400).send('New password must be at least 8 characters');
+      }
+
+      const user = await User.findByPk(userId);
+      if (!user) {
+        return res.status(404).send('User not found');
+      }
+
+      // Verify current password
+      const passwordMatch = await bcrypt.compare(currentPassword, user.password);
+      if (!passwordMatch) {
+        return res.status(401).send('Current password is incorrect');
+      }
+
+      // Hash new password
+      const hashedPassword = await bcrypt.hash(newPassword, 10);
+      await user.update({ password: hashedPassword });
+
+      res.json({ message: 'Password updated successfully' });
+    } catch (error) {
+      console.error(error);
+      res.status(500).send('Internal Server Error');
+    }
+  });
+
+  return router;
+}