expressCart/routes/payments/stripe.js

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const express = require('express');
const common = require('../../lib/common');
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const { indexOrders } = require('../../lib/indexing');
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const numeral = require('numeral');
const stripe = require('stripe')(common.getPaymentConfig().secretKey);
const router = express.Router();
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// The homepage of the site
router.post('/checkout_action', (req, res, next) => {
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const db = req.app.db;
const config = req.app.config;
const stripeConfig = common.getPaymentConfig();
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// charge via stripe
stripe.charges.create({
amount: numeral(req.session.totalCartAmount).format('0.00').replace('.', ''),
currency: stripeConfig.stripeCurrency,
source: req.body.stripeToken,
description: stripeConfig.stripeDescription
}, (err, charge) => {
if(err){
console.info(err.stack);
req.session.messageType = 'danger';
req.session.message = 'Your payment has declined. Please try again';
req.session.paymentApproved = false;
req.session.paymentDetails = '';
res.redirect('/pay');
return;
}
// order status
let paymentStatus = 'Paid';
if(charge.paid !== true){
paymentStatus = 'Declined';
}
// new order doc
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const orderDoc = {
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orderPaymentId: charge.id,
orderPaymentGateway: 'Stripe',
orderPaymentMessage: charge.outcome.seller_message,
orderTotal: req.session.totalCartAmount,
orderEmail: req.body.shipEmail,
orderFirstname: req.body.shipFirstname,
orderLastname: req.body.shipLastname,
orderAddr1: req.body.shipAddr1,
orderAddr2: req.body.shipAddr2,
orderCountry: req.body.shipCountry,
orderState: req.body.shipState,
orderPostcode: req.body.shipPostcode,
orderPhoneNumber: req.body.shipPhoneNumber,
orderComment: req.body.orderComment,
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orderStatus: paymentStatus,
orderDate: new Date(),
orderProducts: req.session.cart,
orderType: 'Single'
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};
// insert order into DB
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db.orders.insertOne(orderDoc, (err, newDoc) => {
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if(err){
console.info(err.stack);
}
// get the new ID
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const newId = newDoc.insertedId;
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// add to lunr index
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indexOrders(req.app)
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.then(() => {
// if approved, send email etc
if(charge.paid === true){
// set the results
req.session.messageType = 'success';
req.session.message = 'Your payment was successfully completed';
req.session.paymentEmailAddr = newDoc.ops[0].orderEmail;
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req.session.paymentApproved = true;
req.session.paymentDetails = '<p><strong>Order ID: </strong>' + newId + '</p><p><strong>Transaction ID: </strong>' + charge.id + '</p>';
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// set payment results for email
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const paymentResults = {
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message: req.session.message,
messageType: req.session.messageType,
paymentEmailAddr: req.session.paymentEmailAddr,
paymentApproved: true,
paymentDetails: req.session.paymentDetails
};
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// clear the cart
if(req.session.cart){
req.session.cart = null;
req.session.orderId = null;
req.session.totalCartAmount = 0;
}
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// send the email with the response
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// TODO: Should fix this to properly handle result
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common.sendEmail(req.session.paymentEmailAddr, 'Your payment with ' + config.cartTitle, common.getEmailTemplate(paymentResults));
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// redirect to outcome
res.redirect('/payment/' + newId);
}else{
// redirect to failure
req.session.messageType = 'danger';
req.session.message = 'Your payment has declined. Please try again';
req.session.paymentApproved = false;
req.session.paymentDetails = '<p><strong>Order ID: </strong>' + newId + '</p><p><strong>Transaction ID: </strong>' + charge.id + '</p>';
res.redirect('/payment/' + newId);
}
});
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});
});
});
// Subscription hook from Stripe
router.all('/subscription_update', async (req, res, next) => {
const db = req.app.db;
const stripeSigSecret = common.getPaymentConfig().stripeWebhookSecret;
const stripeSig = req.headers['stripe-signature'];
let hook;
if(stripeSigSecret){
try{
hook = await stripe.webhooks.constructEvent(req.rawBody, stripeSig, stripeSigSecret);
console.info('Stripe Webhook received');
}catch(err){
return res.status(400).send(`Webhook Error: ${err.message}`);
}
if(!hook.data.object.customer){
return res.status(400).json({ message: 'Customer not found' });
}
}else{
hook = req.body;
}
const order = await db.orders.findOne({
orderCustomer: hook.data.object.customer,
orderType: 'Subscription'
});
if(!order){
return res.status(400).json({ message: 'Order not found' });
}
let orderStatus = 'Paid';
if(hook.type === 'invoice.payment_failed'){
orderStatus = 'Declined';
}
// Update order status
await db.orders.updateOne({
_id: common.getId(order._id),
orderType: 'Subscription'
}, {
$set: {
orderStatus: orderStatus
}
});
return res.status(200).json({ message: 'Status successfully updated' });
});
router.post('/checkout_action_subscription', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
try{
const plan = await stripe.plans.retrieve(req.body.stripePlan);
if(!plan){
req.session.messageType = 'danger';
req.session.message = 'The plan connected to this product doesn\'t exist';
res.redirect('/pay/');
return;
}
}catch(ex){
req.session.messageType = 'danger';
req.session.message = 'The plan connected to this product doesn\'t exist';
res.redirect('/pay/');
return;
}
// Create customer
const customer = await stripe.customers.create({
source: req.body.stripeToken,
plan: req.body.stripePlan,
email: req.body.shipEmail,
name: `${req.body.shipFirstname} ${req.body.shipLastname}`,
phone: req.body.shipPhoneNumber
});
if(!customer){
req.session.messageType = 'danger';
req.session.message = 'Your subscripton has declined. Please try again';
req.session.paymentApproved = false;
req.session.paymentDetails = '';
res.redirect('/pay');
return;
}
// Check for a subscription
if(customer.subscriptions.data && customer.subscriptions.data.length === 0){
req.session.messageType = 'danger';
req.session.message = 'Your subscripton has declined. Please try again';
req.session.paymentApproved = false;
req.session.paymentDetails = '';
res.redirect('/pay');
return;
}
const subscription = customer.subscriptions.data[0];
// Create the new order document
const orderDoc = {
orderPaymentId: subscription.id,
orderPaymentGateway: 'Stripe',
orderPaymentMessage: subscription.collection_method,
orderTotal: req.session.totalCartAmount,
orderEmail: req.body.shipEmail,
orderFirstname: req.body.shipFirstname,
orderLastname: req.body.shipLastname,
orderAddr1: req.body.shipAddr1,
orderAddr2: req.body.shipAddr2,
orderCountry: req.body.shipCountry,
orderState: req.body.shipState,
orderPostcode: req.body.shipPostcode,
orderPhoneNumber: req.body.shipPhoneNumber,
orderComment: req.body.orderComment,
orderStatus: 'Pending',
orderDate: new Date(),
orderProducts: req.session.cart,
orderType: 'Subscription',
orderCustomer: customer.id
};
// insert order into DB
const order = await db.orders.insertOne(orderDoc);
const orderId = order.insertedId;
indexOrders(req.app)
.then(() => {
// set the results
req.session.messageType = 'success';
req.session.message = 'Your subscription was successfully created';
req.session.paymentEmailAddr = req.body.shipEmail;
req.session.paymentApproved = true;
req.session.paymentDetails = '<p><strong>Order ID: </strong>' + orderId + '</p><p><strong>Subscription ID: </strong>' + subscription.id + '</p>';
// set payment results for email
const paymentResults = {
message: req.session.message,
messageType: req.session.messageType,
paymentEmailAddr: req.session.paymentEmailAddr,
paymentApproved: true,
paymentDetails: req.session.paymentDetails
};
// clear the cart
if(req.session.cart){
req.session.cartSubscription = null;
req.session.cart = null;
req.session.orderId = null;
req.session.totalCartAmount = 0;
}
// send the email with the response
common.sendEmail(req.session.paymentEmailAddr, 'Your payment with ' + config.cartTitle, common.getEmailTemplate(paymentResults));
// redirect to outcome
res.redirect('/payment/' + orderId);
});
});
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module.exports = router;