asxpio/public/admin-invoice-form.js
2026-06-08 18:43:01 +03:00

88 lines
3.6 KiB
JavaScript

(function () {
const tbody = document.querySelector('#items-table tbody');
const addBtn = document.getElementById('add-row');
function reindex() {
Array.from(tbody.querySelectorAll('tr.item-row')).forEach((row, i) => {
row.querySelectorAll('input').forEach((input) => {
input.name = input.name.replace(/items\[\d+\]/, 'items[' + i + ']');
});
});
}
addBtn.addEventListener('click', function () {
const last = tbody.querySelector('tr.item-row:last-child');
const clone = last.cloneNode(true);
clone.querySelectorAll('input').forEach((input) => { input.value = ''; });
tbody.appendChild(clone);
reindex();
});
tbody.addEventListener('click', function (e) {
if (!e.target.matches('.remove-row')) return;
const rows = tbody.querySelectorAll('tr.item-row');
if (rows.length <= 1) return;
e.target.closest('tr.item-row').remove();
reindex();
});
// --- Litecoin: live rate fetch + auto amount ------------------------
const rateInput = document.getElementById('ltc_rate');
const amountInput = document.getElementById('ltc_amount');
const fetchBtn = document.getElementById('fetch-ltc-rate');
const rateStatus = document.getElementById('ltc-rate-status');
const rateCcy = document.getElementById('ltc-rate-ccy');
const currencySel = document.getElementById('currency');
const gelRateInput = document.getElementById('gel_rate');
function invoiceTotal() {
let total = 0;
tbody.querySelectorAll('tr.item-row').forEach((row) => {
const inputs = row.querySelectorAll('input');
const qty = parseFloat(inputs[1].value) || 0;
const unit = parseFloat(inputs[2].value) || 0;
total += qty * unit;
});
return total;
}
// Whether the operator has hand-edited the amount; if so, don't clobber it.
let amountTouched = false;
if (amountInput) amountInput.addEventListener('input', () => { amountTouched = true; });
function recomputeAmount() {
if (!amountInput || amountTouched) return;
const rate = parseFloat(rateInput.value);
const total = invoiceTotal();
if (rate > 0 && total > 0) {
amountInput.value = (total / rate).toFixed(8).replace(/\.?0+$/, '');
}
}
function syncCcyLabel() {
if (rateCcy && currencySel) rateCcy.textContent = currencySel.value;
}
syncCcyLabel();
if (currencySel) currencySel.addEventListener('change', syncCcyLabel);
if (rateInput) rateInput.addEventListener('input', recomputeAmount);
tbody.addEventListener('input', recomputeAmount);
if (fetchBtn) {
fetchBtn.addEventListener('click', function () {
const ccy = currencySel ? currencySel.value : 'USD';
const params = new URLSearchParams({ currency: ccy });
if (gelRateInput && gelRateInput.value) params.set('gel_rate', gelRateInput.value);
rateStatus.textContent = ' fetching…';
fetch('/admin/ltc-rate?' + params.toString(), { headers: { Accept: 'application/json' } })
.then((r) => r.json().then((j) => ({ ok: r.ok, j })))
.then(({ ok, j }) => {
if (!ok) { rateStatus.textContent = ' ' + (j.error || 'failed'); return; }
rateInput.value = j.rate;
rateStatus.textContent = ' ✓ live';
recomputeAmount();
})
.catch(() => { rateStatus.textContent = ' network error'; });
});
}
})();