@casoon/invoice-generator/dist/generators/pdf-generator.js

Generate PDF invoices, XRechnung XML, and ZUGFeRD PDF/A-3 from JSON data with TypeScript support

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PDFGenerator = void 0;
exports.generateInvoicePDF = generateInvoicePDF;
exports.generateInvoicePDFToFile = generateInvoicePDFToFile;
const pdfkit_1 = __importDefault(require("pdfkit"));
const fs_1 = __importDefault(require("fs"));
const sections_1 = require("./sections");
class PDFGenerator {
    constructor(options = {}) {
        this.currentY = 50;
        this.options = {
            template: 'default',
            language: 'de',
            includeLogo: false,
            logoPath: undefined,
            ...options
        };
        this.doc = new pdfkit_1.default({
            size: 'A4',
            margin: 50,
            compress: false,
            bufferPages: true,
            info: {
                Title: 'Invoice',
                Author: 'Invoice Generator',
                Subject: 'Invoice Document',
                Creator: 'PDFKit',
                Producer: 'PDFKit'
            }
        });
        this.doc.font('Helvetica').fontSize(10);
    }
    async generateInvoice(invoice) {
        return new Promise((resolve, reject) => {
            const chunks = [];
            this.doc.on('data', (chunk) => chunks.push(chunk));
            this.doc.on('end', () => resolve(Buffer.concat(chunks)));
            this.doc.on('error', reject);
            this.generateInvoiceContent(invoice);
            this.doc.end();
        });
    }
    async generateInvoiceToFile(invoice, outputPath) {
        return new Promise((resolve, reject) => {
            const writeStream = fs_1.default.createWriteStream(outputPath);
            this.doc.pipe(writeStream);
            writeStream.on('finish', resolve);
            writeStream.on('error', reject);
            this.doc.on('error', reject);
            this.generateInvoiceContent(invoice);
            this.doc.end();
        });
    }
    generateInvoiceContent(invoice) {
        // Reset Y-Position
        this.currentY = 50;
        // Bereich 1: Header mit Adressen und Rechnungsdaten
        const headerSection = new sections_1.HeaderSection(this.doc, this.currentY, this.options.logoPath);
        this.currentY = headerSection.draw(invoice);
        // Bereich 2: Ansprache zur Rechnung
        const salutationSection = new sections_1.SalutationSection(this.doc, this.currentY);
        this.currentY = salutationSection.draw(invoice);
        // Bereich 3: Tabelle mit Rechnungspositionen
        const itemsTableSection = new sections_1.ItemsTableSection(this.doc, this.currentY);
        this.currentY = itemsTableSection.draw(invoice);
        // Bereich 4: Grußformel
        const closingSection = new sections_1.ClosingSection(this.doc, this.currentY);
        this.currentY = closingSection.draw(invoice);
        // Wiederkehrender Footer
        const footerSection = new sections_1.FooterSection(this.doc, this.currentY);
        this.currentY = footerSection.draw(invoice);
    }
}
exports.PDFGenerator = PDFGenerator;
/**
 * Convenience-Funktionen für einfache Verwendung
 */
async function generateInvoicePDF(invoice, options) {
    const generator = new PDFGenerator(options);
    return generator.generateInvoice(invoice);
}
async function generateInvoicePDFToFile(invoice, outputPath, options) {
    const generator = new PDFGenerator(options);
    return generator.generateInvoiceToFile(invoice, outputPath);
}
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