203 lines
7.3 KiB
JavaScript
203 lines
7.3 KiB
JavaScript
// t1.js — удалённый скрипт для Scriptable Remote Loader
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// Сканирование штрихкодов/QR по фото + история
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async function __main(ctx) { // точка входа для бутлоадера
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const menu = new Alert();
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menu.title = "Сканер (фото) + история";
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menu.addAction("Сканировать");
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menu.addAction("История");
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menu.addDestructiveAction("Очистить историю");
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menu.addCancelAction("Отмена");
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const c = await menu.presentSheet();
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if (c === 0) return scanFromCamera(ctx);
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if (c === 1) return showHistory();
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if (c === 2) return clearHistory();
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}
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// --- Настройки/хранилище ---
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const FILE_NAME = "scriptable_scans.json";
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const USE_ICLOUD = false;
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const fm = USE_ICLOUD ? FileManager.iCloud() : FileManager.local();
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const storePath = fm.joinPath(fm.documentsDirectory(), FILE_NAME);
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function loadHistory() {
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try {
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if (!fm.fileExists(storePath)) return [];
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return JSON.parse(fm.readString(storePath)) || [];
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} catch (e) { console.error(e); return []; }
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}
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function saveHistory(arr) {
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try { fm.writeString(storePath, JSON.stringify(arr, null, 2)); }
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catch (e) { console.error(e); }
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}
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// --- Основные функции ---
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async function scanFromCamera(ctx) {
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try {
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const img = await Photos.fromCamera(); // системный запрос на доступ к камере тут
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const base64 = Data.fromJPEG(img).toBase64String(); // JPEG — лучше для 1D
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const wv = new WebView();
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wv.shouldAllowRequest = req => {
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const u = req.url || "";
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if (u.startsWith("scriptable://decoded")) {
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const q = parseQS(u);
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const text = q.text || "";
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const format = q.format || "UNKNOWN";
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if (text) {
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const h = loadHistory();
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h.unshift({ text, format, ts: new Date().toISOString() });
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saveHistory(h);
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notify(ctx, "Сохранено", `${format}: ${text}`);
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} else {
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notify(ctx, "Не найдено", "Код распознать не удалось");
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}
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return false; // не покидать WebView
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}
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return true;
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};
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await wv.loadHTML(decoderHTML(base64));
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await wv.present(true);
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} catch (e) {
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console.error(e);
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await notify(ctx, "Ошибка", String(e));
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}
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}
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async function showHistory() {
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const history = loadHistory();
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const table = new UITable();
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table.showSeparators = true;
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const hdr = new UITableRow();
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const c = hdr.addText("История", `${history.length} записей`);
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c.titleFont = Font.boldSystemFont(16);
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c.subtitleFont = Font.systemFont(12);
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table.addRow(hdr);
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if (!history.length) {
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const r = new UITableRow();
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r.addText("Пусто", "Сканируйте код через «Сканировать».");
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table.addRow(r);
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await table.present(); return;
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}
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for (const it of history) {
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const r = new UITableRow();
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r.onSelect = async () => { Pasteboard.copy(it.text); await notify(null, "Скопировано", it.text); };
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r.addText(it.text, `${it.format || "CODE"} · ${new Date(it.ts).toLocaleString()}`);
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table.addRow(r);
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}
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await table.present();
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}
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async function clearHistory() {
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const x = new Alert();
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x.title = "Очистить историю?";
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x.addDestructiveAction("Очистить");
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x.addCancelAction("Отмена");
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if (await x.presentAlert() === 0) {
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saveHistory([]);
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await notify(null, "Готово", "История очищена");
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}
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}
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// --- Вспомогательные ---
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function parseQS(url) {
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const out = {}; const i = url.indexOf("?"); if (i < 0) return out;
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for (const p of url.slice(i + 1).split("&")) {
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const [k, v] = p.split("=");
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out[decodeURIComponent(k || "")] = decodeURIComponent(v || "");
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}
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return out;
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}
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async function notify(ctx, title, body) {
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try {
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if (ctx && typeof ctx.notify === "function") return ctx.notify(title, body);
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const n = new Notification(); n.title = title; n.body = body; await n.schedule();
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} catch (e) {}
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}
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// --- HTML с ZXing: распознаём 1D + QR, несколько попыток и повороты ---
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function decoderHTML(b64) {
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return `<!doctype html><meta name="viewport" content="width=device-width,initial-scale=1">
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<title>Decode</title>
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<style>
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body{margin:0;background:#111;color:#eee;font-family:-apple-system,system-ui}
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main{padding:16px}
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pre{white-space:pre-wrap}
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canvas{max-width:100%;display:block;border:1px solid #333}
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</style>
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<main>
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<p>Распознаю штрихкод…</p>
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<canvas id="cv"></canvas>
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<pre id="out"></pre>
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</main>
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<script src="https://unpkg.com/@zxing/library@latest"></script>
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<script>
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(async () => {
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const img = new Image(); img.src = "data:image/jpeg;base64,${b64}";
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await new Promise(r => img.onload = r);
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const cv = document.getElementById('cv');
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const ctx = cv.getContext('2d');
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// Масштабируем до разумного предела
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const maxSide = 1920;
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let w = img.naturalWidth, h = img.naturalHeight;
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const k = Math.max(w,h) > maxSide ? maxSide/Math.max(w,h) : 1;
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w = Math.round(w*k); h = Math.round(h*k);
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cv.width = w; cv.height = h; ctx.drawImage(img,0,0,w,h);
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const formats = [
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ZXing.BarcodeFormat.EAN_13, ZXing.BarcodeFormat.EAN_8,
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ZXing.BarcodeFormat.UPC_A, ZXing.BarcodeFormat.UPC_E,
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ZXing.BarcodeFormat.CODE_128, ZXing.BarcodeFormat.CODE_39,
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ZXing.BarcodeFormat.ITF, ZXing.BarcodeFormat.CODABAR,
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ZXing.BarcodeFormat.QR_CODE
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];
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const hints = new Map();
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hints.set(ZXing.DecodeHintType.POSSIBLE_FORMATS, formats);
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hints.set(ZXing.DecodeHintType.TRY_HARDER, true);
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const reader = new ZXing.MultiFormatReader(); reader.setHints(hints);
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function bitmap(global){
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const {data,width,height} = ctx.getImageData(0,0,cv.width,cv.height);
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const ls = new ZXing.RGBLuminanceSource(data, width, height);
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const bin = global ? new ZXing.GlobalHistogramBinarizer(ls) : new ZXing.HybridBinarizer(ls);
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return new ZXing.BinaryBitmap(bin);
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}
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async function rotate90(){
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const t = document.createElement('canvas'), tctx = t.getContext('2d');
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t.width = cv.height; t.height = cv.width;
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tctx.translate(t.width/2, t.height/2); tctx.rotate(Math.PI/2);
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tctx.drawImage(cv, -cv.width/2, -cv.height/2);
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cv.width = t.width; cv.height = t.height; ctx.drawImage(t,0,0);
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}
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function tryDecode(){
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try { const r = reader.decode(bitmap(false));
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return { text: r.getText ? r.getText() : (r.text || ""),
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format: r.getBarcodeFormat ? String(r.getBarcodeFormat()) : (r.barcodeFormat || "CODE") };
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} catch(e){ try { const r = reader.decode(bitmap(true));
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return { text: r.getText ? r.getText() : (r.text || ""),
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format: r.getBarcodeFormat ? String(r.getBarcodeFormat()) : (r.barcodeFormat || "CODE") };
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} catch(e2){ return null; } }
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}
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let res = null;
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for (let i=0;i<4 && !res;i++){ res = tryDecode(); if(!res) await rotate90(); }
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if (res && res.text) {
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document.getElementById('out').textContent = res.format + ": " + res.text;
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location.href = "scriptable://decoded?text=" + encodeURIComponent(res.text) + "&format=" + encodeURIComponent(res.format);
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} else {
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document.getElementById('out').textContent = "Не удалось распознать код";
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location.href = "scriptable://decoded?text=&format=";
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}
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})();
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</script>`;
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}
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