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server.js
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server.js
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const express = require('express')
const app = express();
const bodyParser = require('body-parser')
const cors = require('cors')
const axios = require('axios');
const { response } = require('express');
const fs = require("fs");
const orders = require("./localDB/order.json");
const port = process.env.PORT || 3000
require('dotenv').config()
const corsOptions = {
exposedHeaders: 'Authorization',
};
app.use(cors(corsOptions));
app.use(bodyParser.json())
app.set('view engine', 'ejs')
app.use(express.static('public'));
let token = '';
const KLARNA_API_ENDPOINT='https://api.playground.klarna.com'
const KLARNA_USERNAME='PK37038_984cc1e6eebd'
const KLARNA_PASSWORD='pRJJCMQitPSm4879'
app.get('/payment/:order_id', async (req, res) => {
if (orders.length) {
const paymentData = await orders.find(order => order.order_id === req.params.order_id)
if (Object.keys(paymentData).length) {
res.render('payment', { data: paymentData.html_snippet })
} else {
res.send({ status: "error" })
}
} else {
res.send({ status: "error" })
}
});
app.get('/confirmation', (req, res) => {
axios.get(`${KLARNA_API_ENDPOINT}/checkout/v3/orders/${req.query.klarna_order_id}`, {
headers: {
Authorization: token
}
})
.then(function (response) {
res.render('confirmation', { data: response.data.html_snippet })
})
.catch(function (error) {
console.log(error);
res.send({ status: "error" })
});
})
app.post('/payment', (req, res) => {
axios.post(`${KLARNA_API_ENDPOINT}/checkout/v3/orders`, req.body, {
headers: { 'content-type': 'application/json' },
auth: {
username: KLARNA_USERNAME,
password: KLARNA_PASSWORD,
}
})
.then(function (response) {
orders.push(response.data)
fs.writeFile("./localDB/order.json", JSON.stringify(orders), err => {
if (err) throw err;
console.log("Done writing"); // Success
});
token = 'Basic' + response['request']['_header'].split("Basic")[1].split("==")[0] + '=='
res.send({ status: "success", order_id: response.data.order_id })
})
.catch(function (error) {
res.send({ status: "error", error })
});
});
app.listen(port, () => console.log(`listening at ${port}`));