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server.js
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server.js
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const express = require('express');
const paypal = require('paypal-rest-sdk');
const bodyParser = require('body-parser');
const path = require('path');
require('dotenv').config();
const app = express();
const port = 3000;
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static(path.join(__dirname, 'public')));
paypal.configure({
'mode': 'sandbox', // sandbox or live
'client_id': process.env.PAYPAL_CLIENT_ID,
'client_secret': process.env.PAYPAL_CLIENT_SECRET
});
app.post('/pay', (req, res) => {
const create_payment_json = {
"intent": "sale",
"payer": {
"payment_method": "paypal"
},
"redirect_urls": {
"return_url": "http://localhost:3000/success",
"cancel_url": "http://localhost:3000/cancel"
},
"transactions": [{
"item_list": {
"items": [{
"name": "item",
"sku": "item",
"price": "1.00",
"currency": "USD",
"quantity": 1
}]
},
"amount": {
"currency": "USD",
"total": "1.00"
},
"description": "This is the payment description."
}]
};
paypal.payment.create(create_payment_json, function (error, payment) {
if (error) {
console.error('PayPal create payment error:', error);
return res.status(500).send('Failed to create PayPal payment');
} else {
for (let i = 0; i < payment.links.length; i++) {
if (payment.links[i].rel === 'approval_url') {
return res.send(payment.links[i].href);
}
}
console.error('No approval URL found in PayPal response');
return res.status(500).send('Failed to find PayPal approval URL');
}
});
});
app.get('/success', (req, res) => {
const payerId = req.query.PayerID;
const paymentId = req.query.paymentId;
const execute_payment_json = {
"payer_id": payerId,
"transactions": [{
"amount": {
"currency": "USD",
"total": "1.00"
}
}]
};
paypal.payment.execute(paymentId, execute_payment_json, function (error, payment) {
if (error) {
console.error('PayPal execute payment error:', error);
res.redirect('/cancel');
} else {
console.log(JSON.stringify(payment));
res.redirect('/success.html'); // Redirect to a success page
}
});
});
app.get('/cancel', (req, res) => {
res.send('Cancelled');
});
app.listen(port, () => {
console.log(`Server started on http://localhost:${port}`);
});