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backend.js
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const express = require('express');
const puppeteer = require('puppeteer');
const cors = require('cors');
const QRCode = require('qrcode');
const fs = require('fs');
const https = require('https');
var countries = require("i18n-iso-countries");
countries.registerLocale(require("i18n-iso-countries/langs/en.json"));
countries.registerLocale(require("i18n-iso-countries/langs/fr.json"));
countries.registerLocale(require("i18n-iso-countries/langs/de.json"));
countries.registerLocale(require("i18n-iso-countries/langs/it.json"));
const app = express();
const port = 3000;
const sslOptions = {
cert: fs.readFileSync(''),
ca: fs.readFileSync(''),
key: fs.readFileSync(''),
};
app.use(cors());
app.use(express.json());
app.get('/getCountries', (req, res) => {
const language = req.query.lang || "en";
const priorityCountriesCodes = ['CH', 'LI', 'FR', 'DE', 'IT'];
let countryList = [];
const countryCodes = countries.getAlpha2Codes();
Object.keys(countryCodes).forEach(code => {
countryList.push({
code: code,
name: countries.getName(code, language),
});
});
const prioritizedCountries = countryList.filter(country => priorityCountriesCodes.includes(country.code));
prioritizedCountries.sort((a, b) => priorityCountriesCodes.indexOf(a.code) - priorityCountriesCodes.indexOf(b.code));
const otherCountries = countryList.filter(country => !priorityCountriesCodes.includes(country.code));
otherCountries.sort((a, b) => a.name.localeCompare(b.name));
const sortedCountryList = [...prioritizedCountries, ...otherCountries];
res.json(sortedCountryList);
});
app.post('/generate-pdf', async (req, res) => {
console.log('Received request to generate PDF');
// console.log(req.body);
const browser = await puppeteer.launch({
args: ['--no-sandbox', '--disable-setuid-sandbox']
});
const page = await browser.newPage();
let ibanDestinataire = req.body.ibanDestinataire;
let ibanDestinataireFormatted = '';
let nomDestinataire = req.body.nomDestinataire;
let rueDestinataire = req.body.rueDestinataire;
let numeroRueDestinataire = req.body.numeroRueDestinataire;
let codePostalDestinataire = req.body.codePostalDestinataire;
let localiteDestinataire = req.body.localiteDestinataire;
let paysDestinataire = req.body.paysDestinataire;
let numeroReferenceType = req.body.numeroReferenceType;
let numeroReference = req.body.numeroReference;
let numeroReferenceFormatted = '';
let nomEmetteur = req.body.nomEmetteur;
let rueEmetteur = req.body.rueEmetteur;
let numeroRueEmetteur = req.body.numeroRueEmetteur;
let codePostalEmetteur = req.body.codePostalEmetteur;
let localiteEmetteur = req.body.localiteEmetteur;
let paysEmetteur = req.body.paysEmetteur;
let monnaie = req.body.monnaie;
let montant = req.body.montant;
let additionalInformation = req.body.additionalInformation;
// traitement numéro de référence selon norme iso 11649
if(numeroReferenceType === 'SCOR'){
const refForControlNumber = numeroReference+'271500';
const bigIntRef = BigInt(refForControlNumber);
let controlNumber = (98n - (bigIntRef % 97n)).toString();
controlNumber = controlNumber.padStart(2, '0');
numeroReference = 'RF'+controlNumber+req.body.numeroReference;
}else if(numeroReferenceType === 'QRR'){
function calculateMod10Recursive(referenceNumber) {
const weights = [0, 9, 4, 6, 8, 2, 7, 1, 3, 5];
let carry = 0; // Report initial
for (let i = 0; i < referenceNumber.length - 1; i++) {
const num = parseInt(referenceNumber.charAt(i), 10);
carry = weights[(num + carry) % 10];
}
const controlDigit = (10 - carry) % 10;
return controlDigit;
}
numeroReference = numeroReference+calculateMod10Recursive(numeroReference+'P').toString();
numeroReference = numeroReference.padStart(27, '0');
}else{
numeroReferenceType = 'NON';
numeroReference = '';
}
// formatage iban
const ibanSansEspaces = ibanDestinataire.replace(/\s+/g, '');
const ibanSegments = ibanSansEspaces.match(/.{1,4}/g);
ibanDestinataireFormatted = ibanSegments.join(' ');
// formatage numéro de référence
if(numeroReference !== ''){
const referenceSansEspaces = numeroReference.replace(/\s+/g, '');
const referenceSegments = referenceSansEspaces.match(/.{1,5}/g);
numeroReferenceFormatted = referenceSegments.join(' ');
}
// création du qr
let data = `SPC
0200
1
${ibanSansEspaces}
S
${nomDestinataire}
${rueDestinataire}
${numeroRueDestinataire}
${codePostalDestinataire}
${localiteDestinataire}
${paysDestinataire}
${montant}
${monnaie}
S
${nomEmetteur}
${rueEmetteur}
${numeroRueEmetteur}
${codePostalEmetteur}
${localiteEmetteur}
${paysEmetteur}
${numeroReferenceType}
${numeroReference}
${additionalInformation}
EPD`;
const numberOfLineBreaks = (data.match(/\n/g) || []).length;
const maxDataLength = 997 - numberOfLineBreaks;
if (data.length > maxDataLength) {
data = data.slice(0, maxDataLength);
}
while (data.endsWith('\n')) {
data = data.slice(0, -1);
}
QRCode.toDataURL(data, {
qversion: 25,
error: 'M',
width: 46,
margin: 0,
color: {
dark:"#000000",
light:"#ffffff"
}
}, async function (err, QRCodeURL) {
if (err) throw err;
let content = `
<body style="font-family: 'Arial', sans-serif; height: 100%; margin: 0; display: grid; align-content: end;">
<div style="position: relative; left: 0px; top: -1px;">
<div style="position: relative; width: 793.7px; height: 396.85px; border-top: dashed 1px black; display: flex;">
<span style="position: absolute; top: -10px; left: 4%; transform: translateX(-50%); font-size: 14px;">✂</span>
<div style="position: relative; width: 196.53px; height: 359.05px; border-right: dashed 1px black; padding: 18.9px;">
<span style="position: absolute; top: 6%; right: -15px; transform: translate(-50%, -50%) rotate(90deg); font-size: 14px;">✂</span>
<!-- Zone du récépissé -->
<div style="width: 100%; height: 26.45px; font-size: 11pt;">
<!-- Title section -->
<strong>Récépissé</strong>
</div>
<div style="width: 100%; height: 211.65px;">
<!-- Information section -->
<p>
<div style="font-size: 6pt; line-height: 9pt;"><strong>Compte / Payable à</strong></div>
<div style="font-size: 8pt; line-height: 9pt;">
<div>${ibanDestinataireFormatted}</div>
<div>${nomDestinataire}</div>
<div>${rueDestinataire} ${numeroRueDestinataire}</div>
<div>${codePostalDestinataire} ${localiteDestinataire}</div>
</div>
</p>`;
if(numeroReference !== ''){
content += `
<p>
<div style="font-size: 6pt; line-height: 9pt;"><strong>Référence</strong></div>
<div style="font-size: 8pt; line-height: 9pt;">${numeroReferenceFormatted}</div>
</p>`;
}
content += `
<p>
<div style="font-size: 6pt; line-height: 9pt;"><strong>Payable par</strong></div>
<div style="font-size: 8pt; line-height: 9pt;">
<div>${nomEmetteur}</div>
<div>${rueEmetteur} ${numeroRueEmetteur}</div>
<div>${codePostalEmetteur} ${localiteEmetteur}</div>
</div>
</p>
</div>
<div style="width: 100%; height: 52.91px; flex-direction: column;">
<!-- Amount section -->
<div style="display: flex;">
<div style="width: 83.15px; height: 37.79px;">
<div style="font-size: 6pt; line-height: 9pt;"><strong>Monnaie</strong></div>
<div style="font-size: 8pt; line-height: 11pt;">${monnaie}</div>
</div>
<div style="width: 113.38px; height: 37.79px">
<div style="font-size: 6pt; line-height: 9pt;"><strong>Montant</strong></div>
<div style="font-size: 8pt; line-height: 11pt;">${montant}</div>
</div>
</div>
</div>
<div style="width: 100%; height: 68.03px; text-align: right; font-size: 6pt; line-height: 8pt;">
<!-- Acceptance point section -->
<strong>Point de dépôt</strong>
</div>
</div>
<div style="width: 521.57px; height: 359.05px; padding: 18.9px;">
<!-- Zone de la section paiement -->
<div style="width: 521.56px; height: 321.26px; flex-direction: column;">
<div style="display: flex;">
<div style="width: 192.75px; height: 321.24px;">
<!-- left area -->
<div style="width: 192.75px; height: 26.45px; font-size: 11pt">
<!-- Title section -->
<strong>Section paiement</strong>
</div>
<div style="width: 192.75px; height: 211.65px; padding-top: 18.9px; padding-right: 18.9px; padding-bottom: 18.9px;">
<!-- Swiss QR Code section -->
<div style="position: relative; width: 173.85px; height: 173.85px; position: relative; display: flex; justify-content: center; align-items: center;">
<div style="width: 173.85px; height: 173.85px; display: flex; justify-content: center; align-items: center;">
<img src="${QRCodeURL}" style="max-width: 100%; max-height: 100%;" />
</div>
<div style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);">
<svg width="7mm" height="7mm" version="1.1" id="Ebene_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 19.8 19.8" style="enable-background:new 0 0 19.8 19.8;" xml:space="preserve">
<style type="text/css">
.st0{fill:#FFFFFF;}
.st1{fill:none;stroke:#FFFFFF;stroke-width:1.4357;stroke-miterlimit:10;}
</style>
<polygon points="18.3,0.7 1.6,0.7 0.7,0.7 0.7,1.6 0.7,18.3 0.7,19.1 1.6,19.1 18.3,19.1 19.1,19.1 19.1,18.3 19.1,1.6 19.1,0.7 "/>
<rect x="8.3" y="4" class="st0" width="3.3" height="11"/>
<rect x="4.4" y="7.9" class="st0" width="11" height="3.3"/>
<polygon class="st1" points="0.7,1.6 0.7,18.3 0.7,19.1 1.6,19.1 18.3,19.1 19.1,19.1 19.1,18.3 19.1,1.6 19.1,0.7 18.3,0.7 1.6,0.7 0.7,0.7 "/>
</svg>
</div>
</div>
</div>
<div style="width: 192.75px; height: 83.14px; flex-direction: column;">
<!-- Amount section -->
<div style="display: flex;">
<div style="width: 83.15px; height: 37.79px;">
<div style="font-size: 8pt; line-height: 11pt;"><strong>Monnaie</strong></div>
<div style="font-size: 10pt; line-height: 13pt;">${monnaie}</div>
</div>
<div style="width: 113.38px; height: 37.79px">
<div style="font-size: 8pt; line-height: 11pt;"><strong>Montant</strong></div>
<div style="font-size: 10pt; line-height: 13pt;">${montant}</div>
</div>
</div>
</div>
</div>
<div style="width: 328.81px; height: 321.24px;">
<!-- Information section -->
<p>
<div style="font-size: 8pt; line-height: 11pt;"><strong>Compte /Payable à</strong></div>
<div style="font-size: 10pt; line-height: 11pt;">
<div>${ibanDestinataireFormatted}</div>
<div>${nomDestinataire}</div>
<div>${rueDestinataire} ${numeroRueDestinataire}</div>
<div>${codePostalDestinataire} ${localiteDestinataire}</div>
</div>
</p>`;
if(numeroReference !== ''){
content += `
<p>
<div style="font-size: 8pt; line-height: 11pt;"><strong>Référence</strong></div>
<div style="font-size: 10pt; line-height: 11pt;">${numeroReferenceFormatted}</div>
</p>`;
}
if(additionalInformation && additionalInformation !== ""){
content += `
<p>
<div style="font-size: 8pt; line-height: 11pt;"><strong>Informations supplémentaires</strong></div>
<div style="font-size: 10pt; line-height: 11pt;">${additionalInformation}</div>
</p>`;
}
content += `
<p>
<div style="font-size: 8pt; line-height: 11pt;"><strong>Payable par</strong></div>
<div style="font-size: 10pt; line-height: 11pt;">
<div>${nomEmetteur}</div>
<div>${rueEmetteur} ${numeroRueEmetteur}</div>
<div>${codePostalEmetteur} ${localiteEmetteur}</div>
</div>
</p>
</div>
</div>
</div>
<div style="width: 521.56px; height: 37.79px;">
<!-- Further information section -->
</div>
</div>
</div>
</div>
</body>
`;
await page.setContent(content);
const pdfBuffer = await page.pdf({
format: 'A4',
margin: {
top: '0mm',
right: '0mm',
bottom: '0mm',
left: '0mm',
}
});
await browser.close();
res.setHeader('Content-Type', 'application/pdf');
res.send(pdfBuffer);
});
});
https.createServer(sslOptions, app).listen(port, () => {
console.log('HTTPS Server running on port '+port);
});