352 lines
12 KiB
JavaScript
352 lines
12 KiB
JavaScript
const crypto = require('crypto');
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const AdmZip = require('adm-zip');
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const xml2js = require('xml2js');
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const db = require('./db');
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function getConfig() {
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const rows = db.prepare('SELECT key, value FROM config').all();
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const config = {};
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for (const r of rows) {
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config[r.key] = r.value;
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}
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return config;
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}
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// 1. Authentifizierung & WWSVC-Headers nach Spezifikation
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function generateHeaders(appId, passId, algo = 'md5') {
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const ts = new Date().toISOString();
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const reqId = crypto.randomUUID ? crypto.randomUUID() : Math.random().toString(36).substring(2);
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// WWSVC Hash: MD5 über appId + ts
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const rawString = `${appId || ''}${ts}`;
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const hash = crypto.createHash(algo === 'sha256' ? 'sha256' : 'md5').update(rawString).digest('hex');
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return {
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'WWSVC-HASH': hash,
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'WWSVC-TS': ts,
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'WWSVC-REQID': reqId,
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'User-Agent': 'Getraenkekarte-POS-Client/1.0'
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};
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}
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function formatDate(d) {
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const pad = n => String(n).padStart(2, '0');
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return `${pad(d.getDate())}.${pad(d.getMonth() + 1)}.${d.getFullYear()}`;
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}
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function formatTime(d) {
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const pad = n => String(n).padStart(2, '0');
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return `${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`;
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}
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// QR-Code Setup Handshake
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async function processQrSetup(qrPayload) {
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let data = qrPayload;
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if (typeof qrPayload === 'string') {
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try {
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data = JSON.parse(qrPayload.trim());
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} catch (e) {
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throw new Error('Ungültiges QR-Code JSON-Format');
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}
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}
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if (data.$type !== 'ww-setup') {
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throw new Error('Ungültiger QR-Code-Typ: $type muss "ww-setup" sein');
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}
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const { url, servicepasslink, mdcDeviceId } = data;
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if (!url || !servicepasslink) {
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throw new Error('Fehlende Pflichtfelder (url oder servicepasslink) im QR-Code');
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}
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const cleanUrl = url.replace(/\/$/, '');
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// 1. GET ServicePass: GET /@LNK{servicepasslink}
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const linkUrl = `${cleanUrl}/@LNK${servicepasslink}`;
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const res = await fetch(linkUrl, {
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method: 'GET',
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headers: { 'User-Agent': 'Getraenkekarte-POS-Client/1.0' }
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});
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if (!res.ok) {
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throw new Error(`Fehler beim Abruf von ServicePass (@LNK): ${res.status} ${res.statusText}`);
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}
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const resJson = await res.json();
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const servicePass = resJson.SERVICEPASS || resJson.servicepass || resJson;
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const passId = servicePass.PASSID || servicePass.passId || servicePass.id;
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const appId = servicePass.APPID || servicePass.appId || servicePass.key;
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if (!passId || !appId) {
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throw new Error(`Unerwartete ServicePass-Antwort: ${JSON.stringify(resJson)}`);
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}
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// 2. In lokaler SQLite Datenbank speichern
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const upsert = db.prepare('INSERT INTO config (key, value) VALUES (?, ?) ON CONFLICT(key) DO UPDATE SET value = excluded.value');
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upsert.run('pos_url', cleanUrl);
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upsert.run('pos_pass_id', passId);
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upsert.run('pos_app_id', appId);
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if (mdcDeviceId) upsert.run('pos_cash_register', String(mdcDeviceId));
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db.prepare('INSERT INTO sync_logs (status, message) VALUES (?, ?)')
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.run('SUCCESS', `QR-Code Handshake erfolgreich. Pass-ID: ${passId}, Kasse: ${mdcDeviceId || '1'}`);
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// 3. Direkt automatischen Initial-Sync ausführen
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let syncResult = null;
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try {
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syncResult = await performSync('ERSTEINRICHTUNG');
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} catch(syncErr) {
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console.warn('Initialer Sync nach Setup Fehler:', syncErr.message);
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}
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return {
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success: true,
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url: cleanUrl,
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passId,
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appId,
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mdcDeviceId: mdcDeviceId || '1',
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syncResult
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};
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}
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// Datenabruf-Ablauf: CASPOS.EXEC (Vorbereitung) & CASPOS.GET (Download) via WEBWARE Slash-Format
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async function performSync(syncType = 'ERSTEINRICHTUNG') {
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const config = getConfig();
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const { pos_url, pos_pass_id, pos_app_id, pos_cash_register, last_sync_time } = config;
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if (!pos_url || !pos_pass_id || !pos_app_id) {
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throw new Error('POS Cloud Zugangsdaten unvollständig (URL, PassId oder AppId fehlt)');
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}
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const cleanUrl = pos_url.trim().replace(/\/$/, '');
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const devId = pos_cash_register || '1';
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// A) Differenzabgleich Vorbereitung wenn ART=AENDERUNGEN
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if (syncType === 'AENDERUNGEN') {
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let fromDate = new Date(Date.now() - 24 * 60 * 60 * 1000);
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if (last_sync_time) {
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const parsed = new Date(last_sync_time);
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if (!isNaN(parsed.getTime())) fromDate = parsed;
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}
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const execPath = `/WWSVC/EXECURL/${pos_pass_id}/CASPOS.EXEC/ART=AENDERUNGEN/AENDERUNGEN_ABDATUM=${formatDate(fromDate)}/AENDERUNGEN_ABUHRZEIT=${formatTime(fromDate)}/MDCDEVICEID=${devId}`;
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const execHeaders = generateHeaders(pos_app_id, pos_pass_id);
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try {
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await fetch(`${cleanUrl}${execPath}`, { method: 'GET', headers: execHeaders });
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} catch(e) {
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console.warn('CASPOS.EXEC Hinweis:', e.message);
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}
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}
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// B) Download mit CASPOS.GET im Webware-Format (/WWSVC/EXECURL/{passId}/CASPOS.GET/ART=.../MDCDEVICEID=...)
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const getPath = `/WWSVC/EXECURL/${pos_pass_id}/CASPOS.GET/ART=${syncType}/MDCDEVICEID=${devId}/LAGER=1/LAGERORTE=1/VK1=1/VK2=1/VK3=1/VK4=1/VK5=1/VK6=1`;
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const getUrl = `${cleanUrl}${getPath}`;
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const headers = generateHeaders(pos_app_id, pos_pass_id);
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const response = await fetch(getUrl, {
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method: 'GET',
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headers: headers
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});
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if (!response.ok) {
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throw new Error(`POS Cloud HTTP Error: ${response.status} ${response.statusText}`);
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}
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const arrayBuffer = await response.arrayBuffer();
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const buffer = Buffer.from(arrayBuffer);
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const result = await parseAndStoreZip(buffer);
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db.prepare('INSERT INTO config (key, value) VALUES (?, ?) ON CONFLICT(key) DO UPDATE SET value = excluded.value')
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.run('last_sync_time', new Date().toISOString());
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return result;
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}
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// Inhalt ZIP & Dateitypen (JSON & XML Parsing für SoftEngine CASPOS Cloud)
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async function parseAndStoreZip(buffer) {
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const zip = new AdmZip(buffer);
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const zipEntries = zip.getEntries();
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let productsCount = 0;
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let groupsCount = 0;
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let deletionsCount = 0;
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const insertGroup = db.prepare(`
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INSERT INTO product_groups (id, name, sort_order)
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VALUES (?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET name=excluded.name
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`);
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const insertProduct = db.prepare(`
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INSERT INTO products (id, text1, text2, group_id, preis1, unit, active)
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VALUES (?, ?, ?, ?, ?, ?, 1)
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ON CONFLICT(id) DO UPDATE SET
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text1=excluded.text1,
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text2=excluded.text2,
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group_id=excluded.group_id,
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preis1=excluded.preis1,
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unit=excluded.unit,
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active=1,
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updated_at=CURRENT_TIMESTAMP
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`);
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const deactivateProduct = db.prepare(`
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UPDATE products SET active = 0 WHERE id = ?
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`);
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const parser = new xml2js.Parser({ explicitArray: false, ignoreAttrs: false });
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for (const entry of zipEntries) {
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const fileName = entry.entryName.toLowerCase();
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const rawContent = entry.getData().toString('utf8');
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// JSON Format von SoftEngine CASPOS (z.B. Casposdata_Products.json)
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if (fileName.endsWith('.json')) {
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let json = {};
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try { json = JSON.parse(rawContent); } catch(e) {}
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// 1. Warengruppen
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const groupsData = json.productGroups?.data || (Array.isArray(json.productGroups) ? json.productGroups : []);
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for (const g of groupsData) {
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const id = String(g.id || g.groupId || '');
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const name = g.name || g.text || g.text1 || ('Kategorie ' + id);
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if (id) {
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insertGroup.run(id, name, 0);
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groupsCount++;
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}
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}
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// 2. Artikel
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const productsData = json.products?.data || (Array.isArray(json.products) ? json.products : (Array.isArray(json) ? json : []));
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for (const item of productsData) {
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const id = String(item.id || item.articleNo || '');
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const text1 = item.text1 || item.name || item.title || 'Unbekannt';
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const text2 = item.text2 || item.description || item.additionalText || '';
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const groupId = String(item.groupId || item.warengruppe || '');
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// Preis 1 ermitteln (VK1)
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let preis1 = 0;
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if (Array.isArray(item.prices) && item.prices.length > 0) {
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const vk1Obj = item.prices.find(p => String(p.level) === '1') || item.prices[0];
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if (vk1Obj && vk1Obj.value !== undefined) {
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// Deutsches Zahlenformat "2,86" -> 2.86
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preis1 = parseFloat(String(vk1Obj.value).replace(',', '.'));
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}
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} else if (typeof item.prices === 'object' && item.prices !== null) {
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preis1 = parseFloat(String(item.prices.vk1 || item.prices.price1 || 0).replace(',', '.'));
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} else if (item.preis1 !== undefined) {
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preis1 = parseFloat(String(item.preis1).replace(',', '.'));
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} else if (item.price !== undefined) {
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preis1 = parseFloat(String(item.price).replace(',', '.'));
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}
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const unit = item.contentUnit || item.salesUnit || item.unit || '';
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if (id) {
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insertProduct.run(id, text1, text2, groupId, isNaN(preis1) ? 0 : preis1, unit);
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productsCount++;
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}
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}
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// 3. Deletions
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const deletionsData = json.deletions?.data || (Array.isArray(json.deletions) ? json.deletions : []);
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for (const del of deletionsData) {
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const id = String(del.id || del.articleNo || del);
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if (id) {
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deactivateProduct.run(id);
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deletionsCount++;
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}
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}
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}
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// XML Format Fallback
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if (fileName.endsWith('.xml')) {
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let parsed = {};
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try { parsed = await parser.parseStringPromise(rawContent); } catch(e) {}
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const root = parsed.root || parsed;
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// Warengruppen
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let groups = root.ProductGroups?.ProductGroup || root.productGroups?.productGroup || [];
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if (!Array.isArray(groups)) groups = [groups];
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for (const g of groups) {
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const id = String(g.id || g.groupId || '');
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const name = g.name || g.text || ('Kategorie ' + id);
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if (id) { insertGroup.run(id, name, 0); groupsCount++; }
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}
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// Artikel
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let items = root.Products?.Product || root.products?.product || [];
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if (!Array.isArray(items)) items = [items];
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for (const item of items) {
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const id = String(item.id || item.articleNo || '');
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const text1 = item.text1 || item.name || 'Unbekannt';
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const text2 = item.text2 || '';
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const groupId = String(item.groupId || '');
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let preis1 = parseFloat(String(item.preis1 || item.price || 0).replace(',', '.'));
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if (id) { insertProduct.run(id, text1, text2, groupId, isNaN(preis1) ? 0 : preis1, ''); productsCount++; }
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}
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}
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}
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const msg = `Import: ${productsCount} Artikel, ${groupsCount} Gruppen, ${deletionsCount} Deaktiviert`;
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db.prepare('INSERT INTO sync_logs (status, message, items_count) VALUES (?, ?, ?)')
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.run('SUCCESS', msg, productsCount);
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return { productsCount, groupsCount, deletionsCount, message: msg };
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}
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function importJsonData(data) {
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const insertProduct = db.prepare(`
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INSERT INTO products (id, text1, text2, group_id, preis1, unit, active)
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VALUES (?, ?, ?, ?, ?, ?, 1)
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ON CONFLICT(id) DO UPDATE SET
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text1=excluded.text1,
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text2=excluded.text2,
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group_id=excluded.group_id,
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preis1=excluded.preis1,
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unit=excluded.unit,
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active=1,
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updated_at=CURRENT_TIMESTAMP
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`);
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const insertGroup = db.prepare(`
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INSERT INTO product_groups (id, name, sort_order)
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VALUES (?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET name=excluded.name
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`);
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let count = 0;
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const tx = db.transaction(() => {
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if (data.groups && Array.isArray(data.groups)) {
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for (const g of data.groups) {
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insertGroup.run(String(g.id), g.name, g.sortOrder || 0);
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}
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}
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if (data.products && Array.isArray(data.products)) {
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for (const p of data.products) {
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insertProduct.run(
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String(p.id || Math.random().toString(36).substring(2)),
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p.text1 || 'Unbekannt',
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p.text2 || '',
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String(p.groupId || ''),
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parseFloat(String(p.preis1 || p.price || 0).replace(',', '.')),
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p.unit || ''
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);
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count++;
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}
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}
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});
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tx();
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return count;
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}
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module.exports = {
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processQrSetup,
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performSync,
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parseAndStoreZip,
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importJsonData,
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getConfig
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};
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