expressCart/routes/payments/adyen.js

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const express = require('express');
const common = require('../../lib/common');
const { indexOrders } = require('../../lib/indexing');
const numeral = require('numeral');
const { Client, CheckoutAPI } = require('@adyen/api-library');
const router = express.Router();
router.post('/setup', async (req, res, next) => {
const adyenConfig = common.getPaymentConfig();
const client = new Client({
apiKey: adyenConfig.apiKey,
environment: adyenConfig.environment
});
const checkout = new CheckoutAPI(client);
let paymentsResponse;
try{
paymentsResponse = await checkout.paymentMethods({
amount: {
currency: 'AUD',
value: 0
},
countryCode: 'AU',
channel: 'Web',
merchantAccount: adyenConfig.merchantAccount
});
}catch(ex){
console.log('Exception getting supported payment methods', ex.message);
res.status(400).json({ message: 'Failed to retrieve payment methods.' + ex.message });
}
res.status(200).json({
paymentsResponse,
environment: adyenConfig.environment,
publicKey: adyenConfig.publicKey
});
});
router.post('/checkout_action', async (req, res, next) => {
const db = req.app.db;
const config = req.app.config;
const adyenConfig = common.getPaymentConfig();
const client = new Client({
apiKey: adyenConfig.apiKey,
environment: adyenConfig.environment
});
const checkout = new CheckoutAPI(client);
let response;
try{
response = await checkout.payments({
shopperInteraction: 'Ecommerce',
amount: {
currency: adyenConfig.currency,
value: numeral(req.session.totalCartAmount).format('0.00').replace('.', '')
},
paymentMethod: JSON.parse(req.body.payment),
reference: adyenConfig.statementDescriptor,
merchantAccount: adyenConfig.merchantAccount,
shopperStatement: adyenConfig.statementDescriptor
});
}catch(ex){
console.log('Payment exception', ex.message);
req.session.messageType = 'danger';
req.session.message = 'Card declined. Contact card issuer';
return;
}
// Update response
let paymentStatus = 'Paid';
if(response && response.resultCode !== 'Authorised'){
paymentStatus = 'Declined';
}
// new order doc
const orderDoc = {
orderPaymentId: response.pspReference,
orderPaymentGateway: 'Adyen',
orderPaymentMessage: response.refusalReason,
orderTotal: req.session.totalCartAmount,
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orderItemCount: req.session.totalCartItems,
orderProductCount: req.session.totalCartProducts,
orderEmail: req.session.customerEmail,
orderFirstname: req.session.customerFirstname,
orderLastname: req.session.customerLastname,
orderAddr1: req.session.customerAddress1,
orderAddr2: req.session.customerAddress2,
orderCountry: req.session.customerCountry,
orderState: req.session.customerState,
orderPostcode: req.session.customerPostcode,
orderPhoneNumber: req.session.customerPhone,
orderComment: req.session.orderComment,
orderStatus: paymentStatus,
orderDate: new Date(),
orderProducts: req.session.cart,
orderType: 'Single'
};
// insert order into DB
const newOrder = await db.orders.insertOne(orderDoc);
// get the new ID
const newId = newOrder.insertedId;
// add to lunr index
indexOrders(req.app)
.then(() => {
// Process the result
if(paymentStatus === 'Paid'){
// set the results
req.session.messageType = 'success';
req.session.message = 'Your payment was successfully completed';
req.session.paymentEmailAddr = orderDoc.orderEmail;
req.session.paymentApproved = true;
req.session.paymentDetails = '<p><strong>Order ID: </strong>' + newId + '</p><p><strong>Transaction ID: </strong>' + response.pspReference + '</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.cart = null;
req.session.orderId = null;
req.session.totalCartAmount = 0;
}
// send the email with the response
// TODO: Should fix this to properly handle result
common.sendEmail(req.session.paymentEmailAddr, 'Your payment with ' + config.cartTitle, common.getEmailTemplate(paymentResults));
}
res.status(200).json({ paymentId: newId });
});
});
module.exports = router;