const router = require('express').Router(); const CartService = require('../services/CartService'); const CartServiceInstance = new CartService(); module.exports = (app) => { app.use('/api/cart', router); router.post('/:userId', async (req, res, next) => { const { userId } = req.params; try { const response = await CartServiceInstance.getCart(userId); res.status(200).send(response); } catch(e) { next(e); } }) router.put('/:userId', async (req, res, next) => { const { userId, data } = req.params; try { } catch(e) { next(e); } }) }