319 lines
11 KiB
JavaScript
319 lines
11 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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// Zeitstempel Format: yyyy-MM-ddTHH:mm:ss oder epoch/ISO
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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 oder SHA256 über appId + passId + ts
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const rawString = `${appId || ''}${passId || ''}${ts}`;
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const hash = crypto.createHash(algo === 'sha256' ? 'sha256' : 'md5').update(rawString).digest('hex');
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return {
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'WWSVC-HASH': hash,
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'WWSVC-TS': ts,
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'WWSVC-REQID': reqId,
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'User-Agent': 'Getraenkekarte-POS-Client/1.0'
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};
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}
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function formatDate(d) {
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const pad = n => String(n).padStart(2, '0');
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return `${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())}:${pad(d.getSeconds())}`;
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}
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// 2. Datenabruf-Ablauf: CASPOS.EXEC (Vorbereitung) & CASPOS.GET (Download)
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async function performSync(syncType = 'ERSTEINRICHTUNG') {
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const config = getConfig();
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const { pos_url, pos_pass_id, pos_app_id, pos_cash_register, last_sync_time } = config;
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if (!pos_url) {
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throw new Error('POS Cloud URL nicht konfiguriert');
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}
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// Basis-URL sauber aufbereiten
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let baseUrl = pos_url.trim();
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// A) Differenzabgleich Vorbereitung wenn ART=AENDERUNGEN
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if (syncType === 'AENDERUNGEN') {
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let fromDate = new Date(Date.now() - 24 * 60 * 60 * 1000); // Default: 24h zurück
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if (last_sync_time) {
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const parsed = new Date(last_sync_time);
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if (!isNaN(parsed.getTime())) fromDate = parsed;
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}
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const execUrl = new URL(baseUrl.replace(/CASPOS\.GET/i, 'CASPOS.EXEC'));
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if (!execUrl.pathname.includes('CASPOS.EXEC') && !baseUrl.includes('CASPOS.')) {
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execUrl.pathname = execUrl.pathname.replace(/\/$/, '') + '/CASPOS.EXEC';
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}
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execUrl.searchParams.set('ART', 'AENDERUNGEN');
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execUrl.searchParams.set('AENDERUNGEN_ABDATUM', formatDate(fromDate));
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execUrl.searchParams.set('AENDERUNGEN_ABUHRZEIT', formatTime(fromDate));
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if (pos_cash_register) execUrl.searchParams.set('MDCDEVICEID', pos_cash_register);
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const execHeaders = generateHeaders(pos_app_id, pos_pass_id);
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try {
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await fetch(execUrl.toString(), { 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
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const getUrl = new URL(baseUrl.replace(/CASPOS\.EXEC/i, 'CASPOS.GET'));
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if (!getUrl.pathname.includes('CASPOS.GET') && !baseUrl.includes('CASPOS.')) {
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getUrl.pathname = getUrl.pathname.replace(/\/$/, '') + '/CASPOS.GET';
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}
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getUrl.searchParams.set('ART', syncType);
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if (pos_cash_register) {
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getUrl.searchParams.set('MDCDEVICEID', pos_cash_register);
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}
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getUrl.searchParams.set('LAGER', '1');
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getUrl.searchParams.set('LAGERORTE', '1');
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getUrl.searchParams.set('VK1', '1');
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getUrl.searchParams.set('VK2', '1');
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getUrl.searchParams.set('VK3', '1');
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getUrl.searchParams.set('VK4', '1');
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getUrl.searchParams.set('VK5', '1');
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getUrl.searchParams.set('VK6', '1');
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const headers = generateHeaders(pos_app_id, pos_pass_id);
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const response = await fetch(getUrl.toString(), {
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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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// Letzten erfolgreichen Sync-Zeitstempel speichern
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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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// 3. Inhalt ZIP & Dateitypen (JSON & XML Parsing für Products, Groups, Deletions)
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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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// A) Warengruppen (Casposdata_ProductGroups)
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if (fileName.includes('productgroup') || fileName.includes('warengruppe')) {
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let groups = [];
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if (fileName.endsWith('.json')) {
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try {
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const parsed = JSON.parse(rawContent);
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groups = Array.isArray(parsed) ? parsed : (parsed.groups || parsed.ProductGroups || []);
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} catch(e) {}
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} else if (fileName.endsWith('.xml')) {
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try {
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const parsed = await parser.parseStringPromise(rawContent);
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const root = parsed.ProductGroups || parsed.groups || parsed.root || parsed;
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groups = root.ProductGroup || root.group || [];
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if (!Array.isArray(groups)) groups = [groups];
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} catch(e) {}
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}
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for (const g of groups) {
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const id = String(g.id || g.groupId || g.nr || g.Id || g.GroupId || '');
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const name = g.name || g.text || g.text1 || g.description || g.Name || g.Text1 || ('Kategorie ' + id);
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const sortOrder = parseInt(g.sortOrder || g.sort || g.SortOrder || 0, 10);
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if (id) {
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insertGroup.run(id, name, isNaN(sortOrder) ? 0 : sortOrder);
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groupsCount++;
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}
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}
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}
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// B) Artikelstamm & Preise (Casposdata_Products)
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if (fileName.includes('product') && !fileName.includes('productgroup') && !fileName.includes('group')) {
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let items = [];
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if (fileName.endsWith('.json')) {
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try {
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const parsed = JSON.parse(rawContent);
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items = Array.isArray(parsed) ? parsed : (parsed.products || parsed.Products || parsed.articles || []);
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} catch(e) {}
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} else if (fileName.endsWith('.xml')) {
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try {
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const parsed = await parser.parseStringPromise(rawContent);
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const root = parsed.Products || parsed.products || parsed.root || parsed;
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items = root.Product || root.product || root.article || [];
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if (!Array.isArray(items)) items = [items];
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} catch(e) {}
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}
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for (const item of items) {
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const id = String(item.id || item.articleNo || item.barcode || item.Id || item.ArticleNo || '');
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const text1 = item.text1 || item.name || item.title || item.Text1 || item.Name || 'Unbekannt';
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const text2 = item.text2 || item.description || item.zutaten || item.Text2 || item.Description || '';
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const groupId = String(item.groupId || item.warengruppe || item.GroupId || item.ProductGroupId || '');
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// Preisermittlung (preis1 / vk1 / standard brutto)
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let preis1 = 0;
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if (typeof item.prices === 'object' && item.prices !== null) {
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preis1 = parseFloat(item.prices.vk1 || item.prices.VK1 || item.prices.price1 || item.prices.standard || 0);
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} else if (item.preis1 !== undefined || item.Preis1 !== undefined) {
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preis1 = parseFloat(item.preis1 || item.Preis1);
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} else if (item.price !== undefined || item.Price !== undefined) {
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preis1 = parseFloat(item.price || item.Price);
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} else if (item.VK1 !== undefined || item.vk1 !== undefined) {
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preis1 = parseFloat(item.VK1 || item.vk1);
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}
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const unit = item.contentUnit || item.unit || item.ContentUnit || 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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}
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// C) Gelöschte / inaktive Artikel (Casposdata_Deletions)
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if (fileName.includes('deletion') || fileName.includes('delete')) {
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let deletions = [];
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if (fileName.endsWith('.json')) {
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try {
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const parsed = JSON.parse(rawContent);
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deletions = Array.isArray(parsed) ? parsed : (parsed.deletions || parsed.Deletions || []);
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} catch(e) {}
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} else if (fileName.endsWith('.xml')) {
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try {
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const parsed = await parser.parseStringPromise(rawContent);
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const root = parsed.Deletions || parsed.deletions || parsed.root || parsed;
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deletions = root.Deletion || root.deletion || root.id || [];
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if (!Array.isArray(deletions)) deletions = [deletions];
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} catch(e) {}
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}
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for (const del of deletions) {
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const id = String(del.id || del.articleNo || del.Id || 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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}
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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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// Manueller/Mock Import für UI Testing
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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(p.preis1 || p.price || 0),
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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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performSync,
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parseAndStoreZip,
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importJsonData,
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getConfig
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};
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