lbx-invoice/dist/utilities/x-rechnung.utilities.js

Provides functionality around generating invoices.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.XRechnungUtilities = void 0;
const pdf_lib_1 = require("pdf-lib");
const pdf_utilities_1 = require("./pdf.utilities");
const xml_utilities_1 = require("./xml.utilities");
/**
 * Provides functionality for handling the german X-Rechnung format.
 */
class XRechnungUtilities {
    /**
     * Creates and attaches a factur-x xml to the invoice pdf at the given path.
     * @param pdfFilePath - The path of the invoice pdf to attach to.
     * @param invoice - The invoice data to generate the xml from.
     * @param currency - The currency code, eg. 'USD'.
     * @param companyInfo - Info about the seller.
     * @param tradeContact - The trade contact. Defaults to companyInfo.ceo.
     */
    static async attachXRechnung(pdfFilePath, invoice, currency, companyInfo, tradeContact = companyInfo.ceo) {
        const xmlBytes = this.createXRechnungBytes(invoice, currency, companyInfo, tradeContact);
        const now = new Date();
        await pdf_utilities_1.PdfUtilities.attach(pdfFilePath, xmlBytes, 'xrechnung.xml', {
            mimeType: 'text/xml',
            afRelationship: pdf_lib_1.AFRelationship.Alternative,
            creationDate: now,
            modificationDate: now
        });
    }
    static createXRechnungBytes(invoice, currency, companyInfo, tradeContact = companyInfo.ceo) {
        const xml = xml_utilities_1.XmlUtilities.createCrossIndustryInvoiceXml(invoice, currency, companyInfo, tradeContact, 'urn:cen.eu:en16931:2017#compliant#urn:xeinkauf.de:kosit:xrechnung_3.0');
        const xmlString = xml.end({ prettyPrint: true });
        const xmlBytes = new TextEncoder().encode(xmlString);
        return xmlBytes;
    }
}
exports.XRechnungUtilities = XRechnungUtilities;
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