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/iconService.js

@@ -0,0 +1,41 @@
+'use strict';
+/**
+ * iconService.js — Generate ikon PWA & apple-touch-icon dari logo (pakai sharp).
+ * Dipanggil saat upload logo / tombol "Generate Ikon PWA".
+ */
+const fs = require('fs');
+const path = require('path');
+const sharp = require('sharp');
+
+const ICON_DIR = path.join(__dirname, '..', 'public', 'img', 'icons');
+const IMG_DIR = path.join(__dirname, '..', 'public', 'img');
+const BG = { r: 10, g: 13, b: 20, alpha: 1 }; // #0A0D14
+
+async function writeIcon(srcBuf, size, outPath, opts) {
+  const maskable = !!(opts && opts.maskable);
+  const bg = (opts && opts.bg) || (maskable ? BG : { r: 0, g: 0, b: 0, alpha: 0 });
+  const pad = maskable ? Math.round(size * 0.12) : 0; // safe zone maskable
+  const inner = Math.max(1, size - pad * 2);
+  const logo = await sharp(srcBuf)
+    .resize(inner, inner, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
+    .png()
+    .toBuffer();
+  await sharp({ create: { width: size, height: size, channels: 4, background: bg } })
+    .composite([{ input: logo, top: pad, left: pad }])
+    .png()
+    .toFile(outPath);
+}
+
+async function generatePwaIcons(srcBuf) {
+  if (!srcBuf || !srcBuf.length) throw new Error('Sumber logo kosong');
+  if (!fs.existsSync(ICON_DIR)) fs.mkdirSync(ICON_DIR, { recursive: true });
+  await writeIcon(srcBuf, 192, path.join(ICON_DIR, 'icon-192.png'), {});
+  await writeIcon(srcBuf, 512, path.join(ICON_DIR, 'icon-512.png'), {});
+  await writeIcon(srcBuf, 192, path.join(ICON_DIR, 'icon-maskable-192.png'), { maskable: true });
+  await writeIcon(srcBuf, 512, path.join(ICON_DIR, 'icon-maskable-512.png'), { maskable: true });
+  await writeIcon(srcBuf, 180, path.join(ICON_DIR, 'apple-touch-icon.png'), { bg: BG });
+  await writeIcon(srcBuf, 180, path.join(IMG_DIR, 'apple-touch-icon.png'), { bg: BG });
+  return { ok: true };
+}
+
+module.exports = { generatePwaIcons };