const pool = global.db_pool module.exports = (req, res, next) => { next(); const { path, method } = req; pool.query( 'INSERT INTO analytics (method, endpoint, count) VALUES (?, ?, 1) ON DUPLICATE KEY UPDATE count = count + 1', [method, path], (error, results) => { if (error) { console.error('Error logging analytics:', error); } } ); }