OPEN-ISP v0.5 (pickle-lime) — rilis open-source perdana

Aplikasi billing & manajemen ISP (fiber optic) — PWA pelanggan, portal teknisi & kolektor,
admin panel lengkap, multi-vendor OLT, RADIUS, WhatsApp/Telegram, pembayaran QRIS.

Kredit & lisensi (ISC):
- Base kode & repo: alijayanet/billing-rtrw oleh Alijaya Net — terima kasih banyak
  atas base kode dan repo yang bermanfaat.
- Add-on: GoWA, LibreSpeed/OpenSpeedTest, Uptime Kuma, notification-forwarder.
- Dikembangkan menjadi OPEN-ISP oleh oxpoe — https://github.com/oxpoe/open-isp

services/invoiceQrisService.js

@@ -0,0 +1,46 @@
+'use strict';
+/**
+ * invoiceQrisService.js — pastikan kode unik + payload QRIS dinamis untuk sebuah invoice.
+ * QRIS dinamis = QRIS statis (settings.qris_static_payload) + nominal (amount + kode unik).
+ */
+const db = require('../config/database');
+const qrisUtil = require('../utils/qrisUtil');
+const { getSettings } = require('../config/settingsManager');
+
+function ensureInvoiceQris(inv) {
+  const settings = getSettings() || {};
+  const invId = Number((inv && inv.id) || 0);
+  const base = Number((inv && inv.amount) || 0);
+  if (!invId || base <= 0) return { uniqueCode: 0, amount: base, payload: '' };
+
+  let code = Number(inv.qris_unique_code || 0);
+  let amountUnique = Number(inv.qris_amount_unique || 0);
+
+  if (!(amountUnique > 0 && code > 0 && (amountUnique - code) === base)) {
+    const exists = db.prepare('SELECT id FROM invoices WHERE status=? AND qris_amount_unique=? AND id!=? LIMIT 1');
+    let chosen = 0, chosenAmt = 0;
+    for (let c = 1; c <= 999; c++) {
+      const a = base + c;
+      if (!exists.get('unpaid', a, invId)) { chosen = c; chosenAmt = a; break; }
+    }
+    if (chosen) {
+      code = chosen;
+      amountUnique = chosenAmt;
+      try {
+        db.prepare('UPDATE invoices SET qris_unique_code=?, qris_amount_unique=?, qris_assigned_at=(NOW_LOCAL()) WHERE id=?')
+          .run(code, amountUnique, invId);
+      } catch (e) {}
+    }
+  }
+
+  const finalAmount = amountUnique > 0 ? amountUnique : base;
+  const raw = String(settings.qris_static_payload || '').trim();
+  let payload = '';
+  if (raw) {
+    try { payload = qrisUtil.convertStaticQrisToDynamic(raw, finalAmount); }
+    catch (e) { payload = raw; }
+  }
+  return { uniqueCode: code, amount: finalAmount, payload };
+}
+
+module.exports = { ensureInvoiceQris };