orders.js

const express = require('express');
const bodyParser = require('body-parser');
const stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);

const app = express();

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

const createOrder = (skuId, { email, name, address }) => {
  return stripe.orders.create({
    currency: 'usd',
    email,
    items: [
      {
        type: 'sku',
        parent: skuId,
        quantity: 1
      }
    ],
    shipping: {
      name,
      address
    }
  });
};

app.post('/api/orders', (req, res) => {
  const { body } = req;
  const { skuId, email, name, address } = body;

  return createOrder(skuId, { email, name, address })
    .then(order => {
      res.status(200).json({ order });
    })
    .catch(error => {
      res.status(500).json({ error });
    });
});

const payForOrder = (orderId, token) => {
  return stripe.orders.pay(orderId, {
    source: token
  });
};

app.post('/api/orders/:id/pay', (req, res) => {
  const { body, params } = req;
  const { id: orderId } = params;
  const { token } = body;

  return payForOrder(orderId, token)
    .then(order => {
      res.status(200).json({ order });
    })
    .catch(error => {
      res.status(500).json({ error });
    });
});

const port = process.env.PORT || 3000;

app.listen(port, () => {
  console.log(`🚀  Server listening on port ${port}`);
});