feat: Team leader role permissions, certificate generation, and bug fixes
- Add team_leader access to /admin/users endpoint for user list viewing - Add PDF certificate generation for AI Kurzy with Puppeteer - Add certificate assets (background, signatures) - Add getPrilohaById and download endpoint for attachments - Fix time tracking service permissions for team_leader - Fix timesheet controller/service permissions for team_leader - Fix calendar badge to include reminders in count - Add lastSeen to message service for online indicator Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
richardtekula
451
src/services/ai-kurzy/certificate.service.js
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451
src/services/ai-kurzy/certificate.service.js
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import puppeteer from 'puppeteer';
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import path from 'path';
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import fs from 'fs/promises';
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import crypto from 'crypto';
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import { db } from '../../config/database.js';
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import { registracie, ucastnici, kurzy, prilohy } from '../../db/schema.js';
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import { eq } from 'drizzle-orm';
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import { NotFoundError } from '../../utils/errors.js';
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import { logger } from '../../utils/logger.js';
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const UPLOAD_DIR = path.join(process.cwd(), 'uploads', 'ai-kurzy', 'certificates');
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const ASSETS_DIR = path.join(process.cwd(), 'src', 'assets', 'certificate');
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/**
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* Format date to Slovak format (DD.MM.YYYY)
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*/
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const formatDate = (date) => {
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if (!date) return '';
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const d = new Date(date);
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return d.toLocaleDateString('sk-SK', {
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day: '2-digit',
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month: '2-digit',
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year: 'numeric',
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});
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};
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/**
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* Generate unique certificate ID
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*/
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const generateCertificateId = (registraciaId) => {
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const hash = crypto.createHash('sha256')
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.update(`${registraciaId}-${Date.now()}`)
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.digest('hex')
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.substring(0, 8)
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.toUpperCase();
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return `CERT-${hash}`;
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};
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/**
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* Load assets as base64 for embedding in HTML
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*/
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const loadAssets = async () => {
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const [background, signatureGablasova, signatureZdarilek] = await Promise.all([
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fs.readFile(path.join(ASSETS_DIR, 'background.jpeg')),
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fs.readFile(path.join(ASSETS_DIR, 'signature-gablasova.png')),
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fs.readFile(path.join(ASSETS_DIR, 'signature-zdarilek.png')),
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]);
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return {
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background: `data:image/jpeg;base64,${background.toString('base64')}`,
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signatureGablasova: `data:image/png;base64,${signatureGablasova.toString('base64')}`,
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signatureZdarilek: `data:image/png;base64,${signatureZdarilek.toString('base64')}`,
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};
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};
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/**
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* Generate HTML template for certificate
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*/
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const generateCertificateHtml = (data, assets) => {
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const { participantName, courseTitle, courseModules, dateFrom, dateTo, issueDate, certificateId } = data;
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// Format date range
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let dateRangeText = '';
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if (dateFrom && dateTo) {
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dateRangeText = `${formatDate(dateFrom)} - ${formatDate(dateTo)}`;
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} else if (dateTo) {
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dateRangeText = formatDate(dateTo);
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} else if (dateFrom) {
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dateRangeText = formatDate(dateFrom);
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}
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return `
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<!DOCTYPE html>
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<html lang="sk">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Osvedčenie - ${participantName}</title>
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<style>
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@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Open+Sans:wght@300;400;500;600&display=swap');
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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@page {
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size: A4 landscape;
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margin: 0;
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}
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html, body {
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width: 297mm;
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height: 210mm;
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overflow: hidden;
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}
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body {
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font-family: 'Open Sans', Arial, sans-serif;
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background: #fff;
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}
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.certificate {
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width: 297mm;
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height: 210mm;
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position: relative;
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background-image: url('${assets.background}');
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background-size: cover;
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background-position: center;
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background-repeat: no-repeat;
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}
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/* Main content area - positioned in the white space */
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.content {
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position: absolute;
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top: 28mm;
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left: 0;
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right: 0;
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text-align: center;
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}
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.main-title {
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font-family: 'Playfair Display', Georgia, serif;
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font-size: 52pt;
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font-weight: 700;
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letter-spacing: 14px;
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color: #1a1a1a;
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text-transform: uppercase;
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margin-bottom: 2mm;
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}
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.subtitle {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 18pt;
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font-weight: 400;
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color: #333;
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letter-spacing: 1px;
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margin-bottom: 18mm;
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}
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.course-section {
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margin-top: 5mm;
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}
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.course-title {
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font-family: 'Playfair Display', Georgia, serif;
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font-size: 32pt;
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font-weight: 600;
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color: #1a1a1a;
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margin-bottom: 3mm;
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}
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.course-modules {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 13pt;
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font-weight: 500;
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color: #333;
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line-height: 1.5;
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margin-bottom: 2mm;
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}
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.course-dates {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 12pt;
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font-weight: 400;
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color: #444;
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}
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.participant-name {
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font-family: 'Playfair Display', Georgia, serif;
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font-size: 36pt;
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font-weight: 600;
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color: #1a1a1a;
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margin-top: 14mm;
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}
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/* Footer section with signatures */
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.footer-section {
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position: absolute;
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bottom: 28mm;
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left: 25mm;
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right: 25mm;
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display: flex;
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justify-content: space-between;
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align-items: flex-end;
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}
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.date-location {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 11pt;
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color: #333;
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}
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.signatures {
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display: flex;
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gap: 25mm;
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}
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.signature {
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text-align: center;
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min-width: 55mm;
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}
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.signature-image {
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height: 18mm;
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margin-bottom: 1mm;
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object-fit: contain;
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}
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.signature-line {
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width: 55mm;
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height: 0.4mm;
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background: #333;
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margin: 0 auto 2mm auto;
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}
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.signature-name {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 10pt;
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font-weight: 600;
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color: #1a1a1a;
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}
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.signature-title {
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 9pt;
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font-weight: 400;
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color: #555;
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}
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.certificate-id {
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position: absolute;
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bottom: 20mm;
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right: 25mm;
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font-family: 'Open Sans', Arial, sans-serif;
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font-size: 7pt;
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color: #999;
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letter-spacing: 0.5px;
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}
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</style>
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</head>
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<body>
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<div class="certificate">
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<div class="content">
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<h1 class="main-title">O S V E D Č E N I E</h1>
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<p class="subtitle">o absolvovaní kurzu</p>
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<div class="course-section">
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<h2 class="course-title">${courseTitle}</h2>
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${courseModules ? `<p class="course-modules">${courseModules}</p>` : ''}
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${dateRangeText ? `<p class="course-dates">${dateRangeText}</p>` : ''}
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</div>
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<h3 class="participant-name">${participantName}</h3>
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</div>
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<div class="footer-section">
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<div class="date-location">
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V Bratislave ${formatDate(issueDate)}
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</div>
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<div class="signatures">
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<div class="signature">
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<img src="${assets.signatureZdarilek}" alt="Podpis" class="signature-image" />
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<div class="signature-line"></div>
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<p class="signature-name">Mgr. Tomáš Zdarílek</p>
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<p class="signature-title">lektor</p>
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</div>
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<div class="signature">
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<img src="${assets.signatureGablasova}" alt="Podpis" class="signature-image" />
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<div class="signature-line"></div>
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<p class="signature-name">Ing. Jana Gablasová</p>
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<p class="signature-title">konateľ</p>
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</div>
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</div>
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</div>
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<div class="certificate-id">ID: ${certificateId}</div>
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</div>
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</body>
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</html>
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`;
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};
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/**
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* Generate certificate PDF for a registration
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*/
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export const generateCertificate = async (registraciaId) => {
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// Fetch registration with participant and course data
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const [registration] = await db
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.select({
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id: registracie.id,
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datumOd: registracie.datumOd,
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datumDo: registracie.datumDo,
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ucastnikId: registracie.ucastnikId,
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kurzId: registracie.kurzId,
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})
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.from(registracie)
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.where(eq(registracie.id, registraciaId))
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.limit(1);
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if (!registration) {
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throw new NotFoundError('Registrácia nenájdená');
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}
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// Fetch participant
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const [participant] = await db
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.select({
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titul: ucastnici.titul,
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meno: ucastnici.meno,
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priezvisko: ucastnici.priezvisko,
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})
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.from(ucastnici)
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.where(eq(ucastnici.id, registration.ucastnikId))
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.limit(1);
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if (!participant) {
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throw new NotFoundError('Účastník nenájdený');
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}
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// Fetch course
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const [course] = await db
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.select({
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nazov: kurzy.nazov,
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popis: kurzy.popis,
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})
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.from(kurzy)
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.where(eq(kurzy.id, registration.kurzId))
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.limit(1);
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if (!course) {
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throw new NotFoundError('Kurz nenájdený');
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}
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// Load assets
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const assets = await loadAssets();
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// Generate certificate data
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const certificateId = generateCertificateId(registraciaId);
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const participantName = [participant.titul, participant.meno, participant.priezvisko]
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.filter(Boolean)
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.join(' ');
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const issueDate = registration.datumDo || registration.datumOd || new Date();
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const certificateData = {
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participantName,
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courseTitle: course.nazov,
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courseModules: course.popis || null,
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dateFrom: registration.datumOd,
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dateTo: registration.datumDo,
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issueDate,
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certificateId,
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};
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// Generate HTML
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const html = generateCertificateHtml(certificateData, assets);
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// Ensure upload directory exists
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await fs.mkdir(UPLOAD_DIR, { recursive: true });
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// Generate filename
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const safeName = participantName
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.normalize('NFD')
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.replace(/[\u0300-\u036f]/g, '')
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.replace(/[^a-zA-Z0-9 ]/g, '')
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.replace(/\s+/g, '_');
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const fileName = `certifikat_${safeName}_${certificateId}.pdf`;
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const filePath = path.join(UPLOAD_DIR, fileName);
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// Launch Puppeteer and generate PDF
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let browser;
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try {
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browser = await puppeteer.launch({
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headless: true,
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args: ['--no-sandbox', '--disable-setuid-sandbox'],
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});
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const page = await browser.newPage();
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await page.setContent(html, { waitUntil: 'networkidle0' });
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await page.pdf({
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path: filePath,
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width: '297mm',
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height: '210mm',
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printBackground: true,
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margin: { top: 0, right: 0, bottom: 0, left: 0 },
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});
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logger.info(`Certificate generated: ${fileName}`);
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} finally {
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if (browser) {
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await browser.close();
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}
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}
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// Get file stats
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const stats = await fs.stat(filePath);
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// Save as priloha (attachment)
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const [attachment] = await db
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.insert(prilohy)
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.values({
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registraciaId,
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nazovSuboru: fileName,
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typPrilohy: 'certifikat',
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cestaKSuboru: filePath,
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mimeType: 'application/pdf',
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velkostSuboru: stats.size,
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popis: `Certifikát vygenerovaný ${formatDate(new Date())} - ${certificateId}`,
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})
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.returning();
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return {
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id: attachment.id,
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fileName,
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filePath,
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certificateId,
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participantName,
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courseTitle: course.nazov,
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};
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};
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/**
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* Get certificate download info
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*/
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export const getCertificateDownloadInfo = async (prilohaId) => {
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const [attachment] = await db
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.select()
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.from(prilohy)
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.where(eq(prilohy.id, prilohaId))
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.limit(1);
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if (!attachment) {
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throw new NotFoundError('Certifikát nenájdený');
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}
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// Check if file exists
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try {
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await fs.access(attachment.cestaKSuboru);
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} catch {
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throw new NotFoundError('Súbor certifikátu nenájdený na serveri');
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}
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return {
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filePath: attachment.cestaKSuboru,
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fileName: attachment.nazovSuboru,
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mimeType: attachment.mimeType,
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};
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};
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Reference in New Issue
Block a user