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main.js aktualisiert

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M_Viper
2025-09-26 05:44:13 +00:00
parent 59dcb9f4a8
commit 8949d056d6
1 changed files with 64 additions and 69 deletions
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123
main.js
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@@ -1,68 +1,79 @@
// main.js
const { app, BrowserWindow } = require('electron');
const { app, BrowserWindow, Menu } = require('electron');
const fs = require("fs");
const fsp = require("fs").promises;
const path = require("path");
const chokidar = require("chokidar");
const axios = require("axios");
let OUT_DIR; // endgültiger Eingangsordner (wird in app.whenReady gesetzt)
let OUT_DIR; // Eingangsordner für ZPL
let IMG_DIR; // Ausgabeordner für PNGs (History)
let win;
let watcher;
let busy = false;
/* --- Fenstererstellung --- */
function createWindow() {
win = new BrowserWindow({
width: 1000,
height: 800,
webPreferences: { nodeIntegration: true, contextIsolation: false }
icon: path.join(__dirname, "assets/icon.ico"),
webPreferences: { nodeIntegration: true, contextIsolation: false },
show: false // Fenster erst zeigen, wenn fertig
});
win.loadFile(path.join(__dirname, "index.html"));
win.once("ready-to-show", () => win.show());
// Menü entfernen (File, Edit usw.)
Menu.setApplicationMenu(null);
}
app.whenReady().then(() => {
// Versuche zuerst C:\ZIR_Output (praktisch für Windows Local Port)
/* --- App Start --- */
app.whenReady().then(async () => {
const preferedRoot = "C:\\ZIR_Output";
let dataDir = app.getPath("userData"); // fallback
try {
// Versuch: C:\ZIR_Output anlegen (falls möglich)
if (!fs.existsSync(preferedRoot)) {
fs.mkdirSync(preferedRoot, { recursive: true });
}
await fsp.mkdir(preferedRoot, { recursive: true });
OUT_DIR = preferedRoot;
} catch (e) {
// Falls es schiefgeht (Rechte), fallback in userData
} catch {
OUT_DIR = path.join(dataDir, "ZIR_Input");
await fsp.mkdir(OUT_DIR, { recursive: true });
}
// IMG_DIR im userData (schützt vor Schreibrechten)
IMG_DIR = path.join(dataDir, "zpl_out");
await fsp.mkdir(IMG_DIR, { recursive: true });
// Ordner anlegen, falls nicht existierend
try { if (!fs.existsSync(OUT_DIR)) fs.mkdirSync(OUT_DIR, { recursive: true }); } catch(e) {}
try { if (!fs.existsSync(IMG_DIR)) fs.mkdirSync(IMG_DIR, { recursive: true }); } catch(e) {}
console.log("ZIR Input (Eingangsordner):", OUT_DIR);
console.log("ZIR Output (PNG-Ordner):", IMG_DIR);
console.log("ZIR Input:", OUT_DIR);
console.log("ZIR Output:", IMG_DIR);
createWindow();
const watcher = chokidar.watch(OUT_DIR, { ignoreInitial: true, awaitWriteFinish: {stabilityThreshold: 500, pollInterval: 100} });
watcher.on("add", file => {
if (!file.toLowerCase().endsWith(".zpl")) return;
processFile(file);
});
watcher.on("change", file => {
if (!file.toLowerCase().endsWith(".zpl")) return;
processFile(file);
});
app.on('activate', () => { if (BrowserWindow.getAllWindows().length === 0) createWindow(); });
// Watcher verzögert starten (macht Start schneller)
setTimeout(startWatcher, 300);
});
app.on('window-all-closed', () => { if (process.platform !== 'darwin') app.quit(); });
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') app.quit();
});
/* --- Watcher --- */
function startWatcher() {
watcher = chokidar.watch(OUT_DIR, {
ignoreInitial: true,
awaitWriteFinish: { stabilityThreshold: 500, pollInterval: 100 }
});
watcher.on("add", file => {
if (file.toLowerCase().endsWith(".zpl")) processFile(file);
});
watcher.on("change", file => {
if (file.toLowerCase().endsWith(".zpl")) processFile(file);
});
}
/* --- Helferfunktionen --- */
function extractZPL(raw) {
const start = raw.indexOf("^XA");
const end = raw.lastIndexOf("^XZ");
@@ -111,17 +122,15 @@ async function tryLabelaryRender(zpl, printerKey, widthInches, heightInches) {
const resp = await axios.post(url, zpl, {
headers: { "Accept": "image/png" },
responseType: "arraybuffer",
timeout: 15000
timeout: 10000
});
return { ok: true, buffer: resp.data };
} catch (err) {
const status = err.response ? err.response.status : null;
return { ok: false, status, error: err.message };
return { ok: false, status: err.response?.status, error: err.message };
}
}
/* --- Größen & Druckeroptionen --- */
const STANDARD_SIZES = [
{ w: 8.27, h: 11.69, name: "A4" },
{ w: 8.5, h: 11, name: "Letter" },
@@ -138,7 +147,6 @@ const PRINTER_OPTIONS = [
];
/* --- Hauptverarbeitung --- */
let busy = false;
async function processFile(filePath) {
if (busy) {
setTimeout(() => processFile(filePath), 400);
@@ -147,16 +155,13 @@ async function processFile(filePath) {
busy = true;
try {
console.log("Verarbeite:", filePath);
let raw = fs.readFileSync(filePath, "utf-8");
let raw = await fsp.readFile(filePath, "utf-8");
raw = cleanControlChars(raw);
let zpl = extractZPL(raw);
const { pw, ll } = parsePWLL(zpl);
const { maxX, maxY } = parseMaxFO(zpl);
console.log("Parsed PW/LL:", pw, ll, "maxFO:", maxX, maxY);
// sizesToTry aufbauen (Priorität: PW/LL -> geschätzte große Formate -> Standardgrößen)
const sizesToTry = [];
if (pw && ll) {
@@ -171,11 +176,10 @@ async function processFile(filePath) {
}
const estDefaultDPI = 203;
const estWIn = maxX ? dotsToInches(maxX + 100, estDefaultDPI) : null; // margin
const estWIn = maxX ? dotsToInches(maxX + 100, estDefaultDPI) : null;
const estHIn = maxY ? dotsToInches(maxY + 100, estDefaultDPI) : null;
if (estWIn && estHIn) {
if (estWIn > 6 || estHIn > 8 || estWIn > 8 || estHIn > 6) {
if (estWIn && estHIn && (estWIn > 6 || estHIn > 8)) {
for (const p of PRINTER_OPTIONS) {
sizesToTry.push({ w: 8.27, h: 11.69, printer: p, name: "A4" });
sizesToTry.push({ w: 11.69, h: 8.27, printer: p, name: "A4_rot" });
@@ -183,16 +187,16 @@ async function processFile(filePath) {
sizesToTry.push({ w: 11, h: 8.5, printer: p, name: "Letter_rot" });
}
}
}
for (const p of PRINTER_OPTIONS) {
for (const s of STANDARD_SIZES) {
const exists = sizesToTry.some(x => Math.abs(x.w - s.w) < 0.01 && Math.abs(x.h - s.h) < 0.01 && x.printer.key === p.key);
if (!exists) sizesToTry.push({ w: s.w, h: s.h, printer: p, name: s.name || `${s.w}x${s.h}` });
const exists = sizesToTry.some(x =>
Math.abs(x.w - s.w) < 0.01 && Math.abs(x.h - s.h) < 0.01 && x.printer.key === p.key
);
if (!exists) sizesToTry.push({ w: s.w, h: s.h, printer: p, name: s.name });
}
}
// Duplikate entfernen & Reihenfolge behalten
const uniqSizes = [];
const seen = new Set();
for (const s of sizesToTry) {
@@ -200,38 +204,29 @@ async function processFile(filePath) {
if (!seen.has(key)) { seen.add(key); uniqSizes.push(s); }
}
// Versuche rendern
let renderResult = null;
for (const s of uniqSizes) {
const wStr = fmtInches(s.w);
const hStr = fmtInches(s.h);
console.log(`Versuche rendern: printer=${s.printer.key} size=${wStr}x${hStr} (${s.name || ""})`);
renderResult = await tryLabelaryRender(zpl, s.printer.key, wStr, hStr);
if (renderResult.ok) { console.log(`Erfolg mit ${s.printer.key} ${wStr}x${hStr}`); break; }
else { console.log(`Fehler (${renderResult.status}) mit ${s.printer.key} ${wStr}x${hStr}`); }
renderResult = await tryLabelaryRender(zpl, s.printer.key, fmtInches(s.w), fmtInches(s.h));
if (renderResult.ok) break;
}
if (!renderResult || !renderResult.ok) {
console.error("Alle Render-Versuche fehlgeschlagen, Abbruch.");
if (!renderResult?.ok) {
console.error("Rendering fehlgeschlagen");
busy = false;
return;
}
// PNG speichern — neue Datei mit Timestamp (History)
const pngBuffer = renderResult.buffer;
const timestamp = Date.now();
const outFile = path.join(IMG_DIR, `label-${timestamp}.png`);
fs.writeFileSync(outFile, pngBuffer);
console.log("PNG erstellt:", outFile);
await fsp.writeFile(outFile, pngBuffer);
// ZPL-Datei löschen (optional)
try { fs.unlinkSync(filePath); } catch(e){ console.warn("Konnte ZPL nicht löschen:", e.message); }
try { await fsp.unlink(filePath); } catch {}
// Fenster benachrichtigen (sende neuen PNG-Pfad)
win.webContents.send("show-png", outFile);
} catch (err) {
console.error("Fehler beim Rendern:", err && err.message ? err.message : err);
console.error("Fehler beim Rendern:", err.message);
} finally {
busy = false;
}