oxpoe
eaf05f2811
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
73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
'use strict';
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/**
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* registrationService.js — Perhitungan biaya awal pendaftaran (prorata, acuan tgl 5).
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* biaya pasang + prorata paket − diskon voucher = total bayar awal.
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*
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* Aturan acuan tgl 5:
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* - daftar SEBELUM tgl 5 → paket dihitung dari tgl daftar sampai tgl 5 BULAN INI
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* - daftar tgl 5 atau SESUDAH → dihitung sampai tgl 5 BULAN DEPAN
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*/
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const { getSetting } = require('../config/settingsManager');
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const voucherService = require('./voucherService');
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function localParts(date) {
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const tz = getSetting('timezone', 'Asia/Jakarta');
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try {
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const fmt = new Intl.DateTimeFormat('en-CA', { timeZone: tz, year: 'numeric', month: '2-digit', day: '2-digit' });
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const o = {};
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fmt.formatToParts(date).forEach(p => { o[p.type] = p.value; });
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return { y: Number(o.year), m: Number(o.month), d: Number(o.day) };
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} catch (e) {
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return { y: date.getFullYear(), m: date.getMonth() + 1, d: date.getDate() };
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}
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}
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function pad(n) { return String(n).padStart(2, '0'); }
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function computeBill(pkgPrice, opts = {}) {
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const now = opts.now ? new Date(opts.now) : new Date();
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const { y, m, d } = localParts(now);
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const price = Math.max(0, Math.round(Number(pkgPrice) || 0));
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const installFee = Math.max(0, Math.round(Number(opts.installFee != null ? opts.installFee : getSetting('registration_install_fee', 0)) || 0));
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let dueY = y, dueM = m;
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if (d >= 5) {
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if (m === 12) { dueY = y + 1; dueM = 1; } else { dueM = m + 1; }
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}
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const start = new Date(y, m - 1, d);
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const due = new Date(dueY, dueM - 1, 5);
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const diffDays = Math.max(1, Math.round((due.getTime() - start.getTime()) / 86400000));
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const daysInMonth = new Date(dueY, dueM, 0).getDate();
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const costPerDay = price / daysInMonth;
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const prorata = Math.round(diffDays * costPerDay);
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const gross = prorata + installFee;
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let discount = 0;
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let voucher = null;
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if (opts.voucherCode) {
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const v = voucherService.getByCode(opts.voucherCode);
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if (v) {
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const chk = voucherService.validate(opts.voucherCode, gross);
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if (chk.ok) { discount = chk.discount; voucher = v; }
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}
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}
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const total = Math.max(0, gross - discount);
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return {
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price,
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installFee,
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startDate: `${y}-${pad(m)}-${pad(d)}`,
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dueDate: `${dueY}-${pad(dueM)}-05`,
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diffDays,
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daysInMonth,
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costPerDay: Math.round(costPerDay),
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prorata,
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gross,
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discount,
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total,
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voucherCode: voucher ? voucher.code : '',
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voucherValid: !!voucher
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};
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}
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module.exports = { computeBill, localParts };
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