Does PlanetScale Work With Sanity?

import express from 'express';
import mysql from 'mysql2/promise';
import crypto from 'crypto';

const app = express();
app.use(express.json());

const pool = mysql.createPool({
  host: process.env.DB_HOST,
  user: process.env.DB_USER,
  password: process.env.DB_PASSWORD,
  database: process.env.DB_NAME,
  waitForConnections: true,
  connectionLimit: 5,
});

// Validate Sanity webhook signature
const verifySanityWebhook = (req, secret) => {
  const signature = req.headers['sanity-hook-signature'];
  const hash = crypto
    .createHmac('sha256', secret)
    .update(JSON.stringify(req.body))
    .digest('base64');
  return signature === hash;
};

app.post('/webhooks/sanity', async (req, res) => {
  if (!verifySanityWebhook(req, process.env.SANITY_WEBHOOK_SECRET)) {
    return res.status(401).send('Unauthorized');
  }

  const { _id, _type, title, slug } = req.body.document;
  const conn = await pool.getConnection();

  try {
    await conn.execute(
      'INSERT INTO sanity_content (sanity_id, type, title, slug) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE title=?, slug=?',
      [_id, _type, title, slug?.current, title, slug?.current]
    );
    res.json({ success: true });
  } finally {
    conn.release();
  }
});

app.listen(3000, () => console.log('Webhook receiver running'));