73 lines
2.1 KiB
JavaScript
73 lines
2.1 KiB
JavaScript
'use strict';
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const NOTES_MAX_LENGTH = 5000;
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const toNonNegativeNumber = (value) => {
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const n = Number(value);
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if (!Number.isFinite(n) || n < 0) return 0;
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return n;
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};
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const normalizeDiscount = (discount, amount) => {
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return Math.min(toNonNegativeNumber(discount), toNonNegativeNumber(amount));
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};
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const getPayableAmount = (payment = {}) => {
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const amount = toNonNegativeNumber(payment.amount);
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return amount - normalizeDiscount(payment.discount, amount);
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};
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const sanitizeNotes = (notes) => {
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if (notes == null) return '';
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return String(notes).trim().slice(0, NOTES_MAX_LENGTH);
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};
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const rialsToToman = (value) => Math.floor(toNonNegativeNumber(value) / 10);
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const isCancelledTransaction = (trx = {}) => ['cancelled', 'reverted'].includes(String(trx.status || '').toLowerCase());
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const isPaidTransaction = (trx = {}) => {
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if (isCancelledTransaction(trx)) return false;
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const status = String(trx.status || '').toLowerCase();
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if (status === 'pending') return false;
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if (status === 'paid') return true;
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return Boolean(trx.date);
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};
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const isActiveTransaction = (trx = {}) => !isCancelledTransaction(trx);
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const sumPaidTransactions = (transactions = []) => {
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if (!Array.isArray(transactions)) return 0;
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return transactions.reduce((sum, trx) => {
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if (!isPaidTransaction(trx)) return sum;
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return sum + toNonNegativeNumber(trx.amount);
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}, 0);
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};
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const formatPrice = (value) => {
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if (value === null || value === undefined || value === '') return '';
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const num = typeof value === 'number' ? value : Number(String(value).replace(/,/g, ''));
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if (!Number.isNaN(num) && Number.isFinite(num)) {
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return num.toLocaleString('en-US');
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}
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return String(value);
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};
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const remainingPayable = (payment = {}, transactions = []) => {
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return Math.max(0, getPayableAmount(payment) - sumPaidTransactions(transactions));
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};
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module.exports = {
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NOTES_MAX_LENGTH,
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getPayableAmount,
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normalizeDiscount,
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sanitizeNotes,
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formatPrice,
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rialsToToman,
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isPaidTransaction,
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isCancelledTransaction,
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isActiveTransaction,
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sumPaidTransactions,
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remainingPayable
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};
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