async update(req, res) {
        if(!req.params.id || !req.body.name) {
            res.status(400);
            res.json({
                success: false,
                message: 'Bad request'
            });
        }
        
        const id = req.params.id;

        const conn = await getConnection();
        await updateEmployee(conn, req.body, id);
        const employee = await getEmployee(conn, id);

        res.status(200);
        res.json({
            success: true,
            body: employee,
            message: 'Ok'
        });
    }