feat: Profilseite, Etikettendruck mit QR-Code, mehr Automatisierungen und Entra-ID-SSO
- Profilseite mit MFA-Einrichtung, Passwort/E-Mail/Name aendern, Konto deaktivieren - Bearbeiten-Buttons fuer Bienenstaende/Voelker/Koeniginnen/Aufgaben-Datensaetze - Restliche englische Enum-Werte durch deutsche Labels ersetzt (SelectValue-Fix) - Sidebar-Eintraege fuer Ernten/Schleuderungen ergaenzt - Automatisierungen von 3 auf 6 Regeln erweitert (Schwarmstimmung, kritischer Gesundheitsstatus, Lagerbestand) - Responsive Grid-Layout fuer Volk-/Koeniginnen-/Honigchargen-/Bienenstand-Detailseiten - Etikettenvorlagen mit Platzhaltern inkl. QR-Code (verweist auf Herkunftsseite) und PDF-Druck - Entra-ID-SSO (Authorization Code + PKCE, kein Auto-Provisioning, Secrets nur ueber Environment-Variablen)
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import { Injectable, NotFoundException } from '@nestjs/common';
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import PDFDocument from 'pdfkit';
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import * as QRCode from 'qrcode';
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import { PrismaService } from '../prisma/prisma.service';
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import { AuditLogService } from '../audit/audit-log.service';
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import { LabelTemplate } from '../../generated/prisma';
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import { CreateLabelTemplateDto } from './dto/create-label-template.dto';
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import { UpdateLabelTemplateDto } from './dto/update-label-template.dto';
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const MM_TO_PT = 72 / 25.4;
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const PAGE_MARGIN_MM = 5;
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const LABEL_GAP_MM = 2;
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const A4_WIDTH_MM = 210;
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const A4_HEIGHT_MM = 297;
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const QR_CODE_PLACEHOLDER = '{{qrCode}}';
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function formatDate(date: Date): string {
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return date.toLocaleDateString('de-DE');
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}
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function fillPlaceholders(
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content: string,
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values: Record<string, string>,
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): string {
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return content.replace(/\{\{(\w+)\}\}/g, (match, key: string) =>
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key in values ? values[key] : match,
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);
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}
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@Injectable()
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export class LabelTemplatesService {
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constructor(
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private readonly prisma: PrismaService,
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private readonly auditLog: AuditLogService,
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) {}
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async findAll(): Promise<LabelTemplate[]> {
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return this.prisma.labelTemplate.findMany({ orderBy: { name: 'asc' } });
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}
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async findById(id: string): Promise<LabelTemplate> {
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const template = await this.prisma.labelTemplate.findUnique({
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where: { id },
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});
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if (!template) {
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throw new NotFoundException('Label template not found');
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}
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return template;
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}
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async create(
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dto: CreateLabelTemplateDto,
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actingUserId: string,
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): Promise<LabelTemplate> {
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const template = await this.prisma.$transaction(async (tx) => {
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if (dto.isDefault) {
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await tx.labelTemplate.updateMany({
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where: {},
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data: { isDefault: false },
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});
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}
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return tx.labelTemplate.create({ data: { ...dto } });
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});
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await this.auditLog.record({
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entityType: 'LabelTemplate',
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entityId: template.id,
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action: 'CREATE',
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userId: actingUserId,
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afterData: template,
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});
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return template;
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}
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async update(
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id: string,
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dto: UpdateLabelTemplateDto,
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actingUserId: string,
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): Promise<LabelTemplate> {
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const before = await this.findById(id);
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const template = await this.prisma.$transaction(async (tx) => {
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if (dto.isDefault) {
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await tx.labelTemplate.updateMany({
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where: { id: { not: id } },
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data: { isDefault: false },
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});
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}
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return tx.labelTemplate.update({ where: { id }, data: { ...dto } });
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});
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await this.auditLog.record({
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entityType: 'LabelTemplate',
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entityId: id,
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action: 'UPDATE',
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userId: actingUserId,
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beforeData: before,
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afterData: template,
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});
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return template;
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}
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async deactivate(id: string, actingUserId: string): Promise<LabelTemplate> {
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const before = await this.findById(id);
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const template = await this.prisma.labelTemplate.update({
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where: { id },
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data: { active: false, isDefault: false },
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});
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await this.auditLog.record({
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entityType: 'LabelTemplate',
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entityId: id,
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action: 'DEACTIVATE',
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userId: actingUserId,
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beforeData: before,
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afterData: template,
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});
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return template;
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}
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async renderLabelsPdf(
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templateId: string,
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bottlingBatchId: string,
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): Promise<Buffer> {
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const template = await this.findById(templateId);
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const bottlingBatch = await this.prisma.bottlingBatch.findUnique({
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where: { id: bottlingBatchId },
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include: { honeyBatch: true, product: true },
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});
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if (!bottlingBatch) {
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throw new NotFoundException('Bottling batch not found');
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}
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const values: Record<string, string> = {
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batchNumber: bottlingBatch.honeyBatch.batchNumber,
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honeyType: bottlingBatch.honeyBatch.honeyType ?? '',
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lotNumber: bottlingBatch.lotNumber,
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bottlingDate: formatDate(bottlingBatch.date),
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bestBeforeDate: formatDate(bottlingBatch.bestBeforeDate),
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jarSize: `${bottlingBatch.jarSize} ml`,
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productName: bottlingBatch.product?.name ?? '',
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};
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const labelText = fillPlaceholders(template.content, values);
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// The QR code is generated once (not per copy) - it always points at the
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// public Herkunft/traceability page for this batch, which already shows
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// honey type, dates, and origin, so the label itself only needs to
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// reference it rather than duplicate that information.
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let qrCodeBuffer: Buffer | null = null;
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if (labelText.includes(QR_CODE_PLACEHOLDER)) {
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const frontendOrigin =
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process.env.FRONTEND_ORIGIN ?? 'http://localhost:3000';
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const herkunftUrl = `${frontendOrigin}/herkunft/${encodeURIComponent(bottlingBatch.lotNumber)}`;
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qrCodeBuffer = await QRCode.toBuffer(herkunftUrl, {
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margin: 1,
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width: 300,
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});
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}
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return this.renderPdf(
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labelText,
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template.widthMm,
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template.heightMm,
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bottlingBatch.jarCount,
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qrCodeBuffer,
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);
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}
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private renderPdf(
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labelText: string,
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widthMm: number,
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heightMm: number,
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copies: number,
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qrCodeBuffer: Buffer | null,
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): Promise<Buffer> {
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return new Promise((resolve, reject) => {
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const doc = new PDFDocument({ size: 'A4', margin: 0 });
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const chunks: Buffer[] = [];
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doc.on('data', (chunk: Buffer) => chunks.push(chunk));
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doc.on('end', () => resolve(Buffer.concat(chunks)));
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doc.on('error', (error: Error) => reject(error));
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const usableWidthMm = A4_WIDTH_MM - 2 * PAGE_MARGIN_MM;
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const usableHeightMm = A4_HEIGHT_MM - 2 * PAGE_MARGIN_MM;
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const columns = Math.max(
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1,
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Math.floor((usableWidthMm + LABEL_GAP_MM) / (widthMm + LABEL_GAP_MM)),
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);
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const rows = Math.max(
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1,
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Math.floor((usableHeightMm + LABEL_GAP_MM) / (heightMm + LABEL_GAP_MM)),
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);
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const perPage = columns * rows;
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for (let index = 0; index < copies; index += 1) {
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const onPage = index % perPage;
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if (index > 0 && onPage === 0) {
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doc.addPage({ size: 'A4', margin: 0 });
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}
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const column = onPage % columns;
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const row = Math.floor(onPage / columns);
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const xMm = PAGE_MARGIN_MM + column * (widthMm + LABEL_GAP_MM);
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const yMm = PAGE_MARGIN_MM + row * (heightMm + LABEL_GAP_MM);
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const x = xMm * MM_TO_PT;
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const y = yMm * MM_TO_PT;
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const w = widthMm * MM_TO_PT;
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const h = heightMm * MM_TO_PT;
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doc.rect(x, y, w, h).dash(2, { space: 2 }).stroke('#999999').undash();
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if (qrCodeBuffer) {
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const qrSide = Math.min(w, h) - 8;
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const qrX = x + w - qrSide - 4;
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const qrY = y + (h - qrSide) / 2;
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doc.image(qrCodeBuffer, qrX, qrY, { width: qrSide, height: qrSide });
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const textWidth = qrX - 4 - (x + 4);
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doc
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.fontSize(9)
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.fillColor('#000000')
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.text(
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labelText.replace(QR_CODE_PLACEHOLDER, '').trim(),
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x + 4,
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y + 4,
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{
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width: Math.max(textWidth, 0),
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height: h - 8,
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},
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);
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} else {
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doc
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.fontSize(9)
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.fillColor('#000000')
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.text(labelText, x + 4, y + 4, { width: w - 8, height: h - 8 });
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}
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}
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doc.end();
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});
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}
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}
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