929 lines
37 KiB
JavaScript
929 lines
37 KiB
JavaScript
// /home/Autopartes/pos/static/js/pos.js
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/**
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* POS Frontend: sale processing, F-key shortcuts, payment modal, ticket printing.
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*
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* Communicates with:
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* - /pos/api/sales (pos_bp)
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* - /pos/api/quotations (pos_bp)
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* - /pos/api/layaways (pos_bp)
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* - /pos/api/customers (customers_bp)
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* - /pos/api/register (cashregister_bp)
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* - /pos/api/inventory/items (inventory_bp) — for item search
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* - /pos/api/catalog/search (catalog_bp) — for catalog search
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*/
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const POS = (() => {
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// ─── State ───────────────────────────
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let token = localStorage.getItem('pos_token') || '';
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let cart = [];
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let selectedRow = -1;
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let currentCustomer = null;
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let currentRegister = null;
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let paymentMethod = 'efectivo';
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let canViewCost = false;
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let employeeMaxDiscount = 100;
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let lastSaleId = null;
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let searchTimeout = null;
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let customerSearchTimeout = null;
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const fmt = (n) => '$' + parseFloat(n || 0).toLocaleString('es-MX', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
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function headers() {
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return { 'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token };
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}
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async function api(url, options = {}) {
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options.headers = headers();
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const res = await fetch(url, options);
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const data = await res.json();
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if (!res.ok) throw new Error(data.error || `HTTP ${res.status}`);
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return data;
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}
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// ─── Init ────────────────────────────
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async function init() {
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// Parse JWT to get employee info
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try {
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const payload = JSON.parse(atob(token.split('.')[1]));
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document.getElementById('employeeName').textContent = payload.name || 'Empleado';
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document.getElementById('branchName').textContent = payload.branch_name || '';
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canViewCost = (payload.permissions || []).includes('pos.view_cost');
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employeeMaxDiscount = payload.max_discount_pct || 100;
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// Show cost/margin columns if permission
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if (canViewCost) {
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document.getElementById('thCost').style.display = '';
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document.getElementById('thMargin').style.display = '';
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}
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} catch (e) {
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console.warn('Could not parse token:', e);
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}
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// Load cart from localStorage (from catalog)
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const catalogCart = localStorage.getItem('pos_cart');
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if (catalogCart) {
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try {
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const items = JSON.parse(catalogCart);
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for (const item of items) {
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addToCart(item);
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}
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localStorage.removeItem('pos_cart');
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} catch (e) { console.warn('Could not load catalog cart:', e); }
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}
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// Load current register
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await loadRegister();
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// Setup event listeners
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setupKeyboard();
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setupSearch();
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setupCustomerSearch();
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}
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// ─── Register ────────────────────────
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async function loadRegister() {
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try {
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const data = await api('/pos/api/register/current');
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if (data.register) {
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currentRegister = data.register;
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document.getElementById('registerInfo').innerHTML =
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`<span>Caja #${data.register.register_number}</span>`;
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document.getElementById('registerInfo').classList.remove('no-register');
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} else {
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document.getElementById('registerInfo').innerHTML =
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'<span>Sin caja abierta</span>';
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document.getElementById('registerInfo').classList.add('no-register');
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}
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} catch (e) {
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console.warn('Register check failed:', e);
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}
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}
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// ─── Cart ────────────────────────────
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function addToCart(item) {
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// Check if item already in cart
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const existing = cart.find(c => c.inventory_id === item.inventory_id);
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if (existing) {
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existing.quantity += (item.quantity || 1);
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renderCart();
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return;
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}
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cart.push({
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inventory_id: item.inventory_id || item.id,
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part_number: item.part_number || '',
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name: item.name || '',
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quantity: item.quantity || 1,
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unit_price: parseFloat(item.unit_price || item.price_1 || 0),
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unit_cost: parseFloat(item.cost || 0),
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discount_pct: parseFloat(item.discount_pct || 0),
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tax_rate: parseFloat(item.tax_rate || 0.16),
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stock: item.stock || 0,
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});
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renderCart();
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}
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function removeFromCart(index) {
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cart.splice(index, 1);
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if (selectedRow >= cart.length) selectedRow = cart.length - 1;
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renderCart();
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}
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function renderCart() {
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const tbody = document.getElementById('cartBody');
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const table = document.getElementById('cartTable');
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const empty = document.getElementById('cartEmpty');
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if (cart.length === 0) {
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table.style.display = 'none';
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empty.style.display = 'flex';
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updateTotals();
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return;
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}
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table.style.display = '';
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empty.style.display = 'none';
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let html = '';
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cart.forEach((item, i) => {
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const lineGross = item.unit_price * item.quantity;
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const lineDiscount = lineGross * item.discount_pct / 100;
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const lineSubtotal = lineGross - lineDiscount;
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const costHtml = canViewCost ? `<td class="num">${fmt(item.unit_cost)}</td>` : '';
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let marginHtml = '';
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if (canViewCost) {
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const effectivePrice = item.unit_price * (1 - item.discount_pct / 100);
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const marginPct = effectivePrice > 0
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? ((effectivePrice - item.unit_cost) / effectivePrice * 100).toFixed(1)
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: '0.0';
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const cls = parseFloat(marginPct) < 5 ? 'margin-warning' : 'margin-info';
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marginHtml = `<td class="num"><span class="${cls}">${marginPct}%</span></td>`;
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}
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html += `<tr class="${i === selectedRow ? 'selected' : ''}" onclick="POS.selectRow(${i})">
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<td>${i + 1}</td>
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<td>
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<div class="part-name">${item.name}</div>
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<div class="part-number">${item.part_number} | Stock: ${item.stock}</div>
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</td>
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<td><input type="number" class="qty-input" value="${item.quantity}" min="1"
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onchange="POS.updateQty(${i}, this.value)" onclick="event.stopPropagation()"></td>
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<td class="num">${fmt(item.unit_price)}</td>
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<td><input type="number" class="discount-input" value="${item.discount_pct}" min="0" max="100" step="0.5"
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onchange="POS.updateDiscount(${i}, this.value)" onclick="event.stopPropagation()">%</td>
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<td class="num">${fmt(lineSubtotal)}</td>
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${costHtml}
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${marginHtml}
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<td><button class="btn-remove" onclick="event.stopPropagation(); POS.removeFromCart(${i})">×</button></td>
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</tr>`;
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});
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tbody.innerHTML = html;
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updateTotals();
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}
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function updateQty(index, val) {
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const qty = Math.max(1, parseInt(val) || 1);
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cart[index].quantity = qty;
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renderCart();
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}
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function updateDiscount(index, val) {
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let disc = Math.max(0, Math.min(100, parseFloat(val) || 0));
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if (disc > employeeMaxDiscount) {
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alert(`Descuento maximo permitido: ${employeeMaxDiscount}%`);
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disc = employeeMaxDiscount;
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}
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cart[index].discount_pct = disc;
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renderCart();
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}
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function selectRow(index) {
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selectedRow = index;
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renderCart();
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}
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function updateTotals() {
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let subtotal = 0, discountTotal = 0, taxTotal = 0;
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cart.forEach(item => {
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const lineGross = item.unit_price * item.quantity;
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const lineDiscount = lineGross * item.discount_pct / 100;
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const lineAfterDiscount = lineGross - lineDiscount;
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const lineTax = lineAfterDiscount * item.tax_rate;
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subtotal += lineAfterDiscount;
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discountTotal += lineDiscount;
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taxTotal += lineTax;
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});
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const total = subtotal + taxTotal;
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document.getElementById('dispSubtotal').textContent = fmt(subtotal);
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document.getElementById('dispTax').textContent = fmt(taxTotal);
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document.getElementById('dispTotal').textContent = fmt(total);
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if (discountTotal > 0) {
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document.getElementById('discountRow').style.display = '';
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document.getElementById('dispDiscount').textContent = '-' + fmt(discountTotal);
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} else {
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document.getElementById('discountRow').style.display = 'none';
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}
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}
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function getTotal() {
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let subtotal = 0, taxTotal = 0;
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cart.forEach(item => {
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const lineGross = item.unit_price * item.quantity;
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const lineDiscount = lineGross * item.discount_pct / 100;
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const lineAfterDiscount = lineGross - lineDiscount;
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const lineTax = lineAfterDiscount * item.tax_rate;
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subtotal += lineAfterDiscount;
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taxTotal += lineTax;
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});
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return Math.round((subtotal + taxTotal) * 100) / 100;
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}
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// ─── Search ──────────────────────────
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function setupSearch() {
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const input = document.getElementById('itemSearch');
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input.addEventListener('input', () => {
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clearTimeout(searchTimeout);
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searchTimeout = setTimeout(() => searchItems(input.value.trim()), 300);
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});
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input.addEventListener('keydown', (e) => {
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if (e.key === 'Enter') {
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e.preventDefault();
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searchItems(input.value.trim());
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}
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if (e.key === 'Escape') {
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input.value = '';
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hideSearchResults();
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}
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});
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}
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async function searchItems(q) {
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if (!q || q.length < 2) { hideSearchResults(); return; }
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try {
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const data = await api(`/pos/api/inventory/items?q=${encodeURIComponent(q)}&per_page=20`);
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const container = document.getElementById('searchResults');
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const totals = document.getElementById('totalsPanel');
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if (data.data.length === 0) {
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container.innerHTML = '<div style="padding:20px;text-align:center;color:#999;">Sin resultados</div>';
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} else {
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let html = '';
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data.data.forEach(item => {
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// Determine price for current customer
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let price = item.price_1;
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if (currentCustomer) {
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const tier = currentCustomer.price_tier || 1;
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price = tier === 3 ? item.price_3 : tier === 2 ? item.price_2 : item.price_1;
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}
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const stockClass = item.stock <= 0 ? 'zero' : '';
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html += `<div class="search-result-item" onclick='POS.addFromSearch(${JSON.stringify(item).replace(/'/g, "'")}, ${price})'>
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<div>
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<div class="sr-name">${item.name}</div>
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<div class="sr-pn">${item.part_number} | ${item.brand || ''}</div>
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<div class="sr-stock ${stockClass}">Stock: ${item.stock}</div>
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</div>
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<div class="sr-price">${fmt(price)}</div>
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</div>`;
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});
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container.innerHTML = html;
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}
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container.classList.add('active');
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totals.classList.add('hidden');
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} catch (e) {
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console.error('Search error:', e);
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}
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}
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function addFromSearch(item, price) {
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addToCart({
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inventory_id: item.id,
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part_number: item.part_number,
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name: item.name,
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unit_price: price,
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cost: item.cost,
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tax_rate: item.tax_rate,
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stock: item.stock,
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});
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hideSearchResults();
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document.getElementById('itemSearch').value = '';
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document.getElementById('itemSearch').focus();
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}
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function hideSearchResults() {
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document.getElementById('searchResults').classList.remove('active');
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document.getElementById('totalsPanel').classList.remove('hidden');
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}
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// ─── Customer Search ─────────────────
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function setupCustomerSearch() {
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const input = document.getElementById('customerSearch');
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input.addEventListener('input', () => {
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clearTimeout(customerSearchTimeout);
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customerSearchTimeout = setTimeout(() => searchCustomers(input.value.trim()), 300);
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});
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input.addEventListener('keydown', (e) => {
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if (e.key === 'Escape') {
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input.value = '';
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document.getElementById('customerAutocomplete').style.display = 'none';
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}
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});
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}
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async function searchCustomers(q) {
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if (!q || q.length < 2) {
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document.getElementById('customerAutocomplete').style.display = 'none';
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return;
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}
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try {
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const data = await api(`/pos/api/customers?q=${encodeURIComponent(q)}&per_page=10`);
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const ac = document.getElementById('customerAutocomplete');
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if (data.data.length === 0) {
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ac.innerHTML = '<div class="ac-item" style="color:#999;">Sin resultados</div>';
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} else {
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let html = '';
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data.data.forEach(c => {
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const tiers = { 1: 'Mostrador', 2: 'Taller', 3: 'Mayoreo' };
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html += `<div class="ac-item" onclick='POS.selectCustomer(${JSON.stringify(c).replace(/'/g, "'")})'>
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<div>${c.name}</div>
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<div class="ac-meta">${c.rfc || ''} | ${c.phone || ''} | ${tiers[c.price_tier] || 'P1'} | Credito: ${fmt(c.credit_balance)}/${fmt(c.credit_limit)}</div>
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</div>`;
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});
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ac.innerHTML = html;
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}
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ac.style.display = 'block';
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} catch (e) {
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console.error('Customer search error:', e);
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}
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}
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async function selectCustomer(customer) {
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currentCustomer = customer;
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document.getElementById('customerAutocomplete').style.display = 'none';
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document.getElementById('customerSearchWrap').querySelector('input').style.display = 'none';
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const tiers = { 1: 'P1 Mostrador', 2: 'P2 Taller', 3: 'P3 Mayoreo' };
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document.getElementById('customerName').textContent = customer.name;
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document.getElementById('customerTier').textContent = tiers[customer.price_tier] || 'P1';
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document.getElementById('customerCredit').textContent =
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`Credito: ${fmt(customer.credit_balance)} / ${fmt(customer.credit_limit)}`;
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document.getElementById('customerSelected').style.display = '';
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// Show vehicle info
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if (customer.vehicle_info && customer.vehicle_info.length > 0) {
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const v = customer.vehicle_info[0];
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document.getElementById('vehicleInfo').textContent =
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`${v.make || ''} ${v.model || ''} ${v.year || ''} ${v.plates ? '(' + v.plates + ')' : ''}`;
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document.getElementById('vehicleBanner').classList.add('visible');
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}
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// Fetch full customer detail to get recent purchase info
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try {
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const detail = await api(`/pos/api/customers/${customer.id}`);
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if (detail.recent_purchases && detail.recent_purchases.length > 0) {
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const last = detail.recent_purchases[0];
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const daysAgo = Math.floor((Date.now() - new Date(last.created_at).getTime()) / 86400000);
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const daysText = daysAgo === 0 ? 'hoy' : daysAgo === 1 ? 'hace 1 dia' : `hace ${daysAgo} dias`;
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document.getElementById('lastPurchaseInfo').textContent =
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`Ultima compra: ${fmt(last.total)} ${daysText}`;
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document.getElementById('vehicleBanner').classList.add('visible');
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}
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} catch (e) {
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console.warn('Could not fetch customer detail:', e);
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}
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// Re-apply prices based on customer tier
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cart.forEach(item => {
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// Fetch updated price for this customer tier (would need to re-query)
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// For now, prices stay as-is (they were set at add time)
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});
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renderCart();
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}
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function clearCustomer() {
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currentCustomer = null;
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document.getElementById('customerSelected').style.display = 'none';
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document.getElementById('customerSearchWrap').querySelector('input').style.display = '';
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document.getElementById('customerSearchWrap').querySelector('input').value = '';
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document.getElementById('vehicleBanner').classList.remove('visible');
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renderCart();
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}
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// ─── New Customer Modal ──────────────
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function showNewCustomerModal() {
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document.getElementById('newCustomerModal').classList.add('active');
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document.getElementById('ncName').focus();
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}
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function closeNewCustomerModal() {
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document.getElementById('newCustomerModal').classList.remove('active');
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}
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async function saveNewCustomer() {
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const name = document.getElementById('ncName').value.trim();
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if (!name) { alert('Nombre es requerido'); return; }
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const vehicle_info = [];
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const make = document.getElementById('ncVehMake').value.trim();
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if (make) {
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vehicle_info.push({
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make: make,
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model: document.getElementById('ncVehModel').value.trim(),
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year: document.getElementById('ncVehYear').value.trim(),
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plates: document.getElementById('ncVehPlates').value.trim(),
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});
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}
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const body = {
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name: name,
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rfc: document.getElementById('ncRfc').value.trim() || null,
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razon_social: document.getElementById('ncRazonSocial').value.trim() || null,
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regimen_fiscal: document.getElementById('ncRegimenFiscal').value || null,
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uso_cfdi: document.getElementById('ncUsoCfdi').value || 'G03',
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phone: document.getElementById('ncPhone').value.trim() || null,
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email: document.getElementById('ncEmail').value.trim() || null,
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price_tier: parseInt(document.getElementById('ncPriceTier').value) || 1,
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credit_limit: parseFloat(document.getElementById('ncCreditLimit').value) || 0,
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vehicle_info: vehicle_info.length > 0 ? vehicle_info : null,
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};
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try {
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const result = await api('/pos/api/customers', {
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method: 'POST',
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body: JSON.stringify(body),
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});
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// Select the new customer
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selectCustomer({
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id: result.id,
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name: body.name,
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rfc: body.rfc,
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phone: body.phone,
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price_tier: body.price_tier,
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credit_limit: body.credit_limit,
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credit_balance: 0,
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vehicle_info: body.vehicle_info,
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});
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closeNewCustomerModal();
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} catch (e) {
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alert('Error al crear cliente: ' + e.message);
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}
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}
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// ─── Payment ─────────────────────────
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function checkout() {
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if (cart.length === 0) { alert('Carrito vacio'); return; }
|
|
if (!currentRegister) { alert('No hay caja abierta. Abra una caja primero.'); return; }
|
|
|
|
paymentMethod = 'efectivo';
|
|
const total = getTotal();
|
|
|
|
document.getElementById('modalTotal').textContent = fmt(total);
|
|
document.getElementById('cashReceived').value = '';
|
|
document.getElementById('changeDisplay').textContent = 'Cambio: $0.00';
|
|
document.getElementById('changeDisplay').className = 'change-display positive';
|
|
document.getElementById('paymentRef').value = '';
|
|
|
|
// Reset payment method buttons
|
|
document.querySelectorAll('.pm-btn').forEach(b => b.classList.remove('active'));
|
|
document.querySelector('.pm-btn[data-method="efectivo"]').classList.add('active');
|
|
document.getElementById('cashPayment').style.display = '';
|
|
document.getElementById('refPayment').style.display = 'none';
|
|
document.getElementById('mixedPayment').style.display = 'none';
|
|
|
|
document.getElementById('paymentModal').classList.add('active');
|
|
setTimeout(() => document.getElementById('cashReceived').focus(), 100);
|
|
}
|
|
|
|
function selectPaymentMethod(method, btn) {
|
|
paymentMethod = method;
|
|
document.querySelectorAll('.pm-btn').forEach(b => b.classList.remove('active'));
|
|
btn.classList.add('active');
|
|
|
|
document.getElementById('cashPayment').style.display = method === 'efectivo' ? '' : 'none';
|
|
document.getElementById('refPayment').style.display = (method === 'transferencia' || method === 'tarjeta') ? '' : 'none';
|
|
document.getElementById('mixedPayment').style.display = method === 'mixto' ? '' : 'none';
|
|
|
|
if (method === 'efectivo') document.getElementById('cashReceived').focus();
|
|
if (method === 'transferencia' || method === 'tarjeta') document.getElementById('paymentRef').focus();
|
|
}
|
|
|
|
function updateChange() {
|
|
const total = getTotal();
|
|
const received = parseFloat(document.getElementById('cashReceived').value) || 0;
|
|
const change = received - total;
|
|
const el = document.getElementById('changeDisplay');
|
|
el.textContent = `Cambio: ${fmt(Math.abs(change))}`;
|
|
el.className = 'change-display ' + (change >= 0 ? 'positive' : 'negative');
|
|
}
|
|
|
|
function updateMixedTotal() {
|
|
const total = getTotal();
|
|
let sum = 0;
|
|
document.querySelectorAll('.mixed-amount').forEach(input => {
|
|
sum += parseFloat(input.value) || 0;
|
|
});
|
|
const remaining = total - sum;
|
|
document.getElementById('mixedRemaining').textContent =
|
|
remaining > 0 ? `Faltante: ${fmt(remaining)}` : `Cubierto (${fmt(sum)})`;
|
|
document.getElementById('mixedRemaining').style.color = remaining > 0 ? '#c62828' : '#2e7d32';
|
|
}
|
|
|
|
function closePaymentModal() {
|
|
document.getElementById('paymentModal').classList.remove('active');
|
|
}
|
|
|
|
async function confirmPayment() {
|
|
const total = getTotal();
|
|
let amountPaid = 0;
|
|
let paymentDetails = [];
|
|
let reference = '';
|
|
|
|
if (paymentMethod === 'efectivo') {
|
|
amountPaid = parseFloat(document.getElementById('cashReceived').value) || 0;
|
|
if (amountPaid < total) { alert(`Monto insuficiente. Total: ${fmt(total)}`); return; }
|
|
} else if (paymentMethod === 'transferencia' || paymentMethod === 'tarjeta') {
|
|
amountPaid = total;
|
|
reference = document.getElementById('paymentRef').value.trim();
|
|
} else if (paymentMethod === 'mixto') {
|
|
const rows = document.querySelectorAll('.mixed-row');
|
|
rows.forEach(row => {
|
|
const method = row.querySelector('select').value;
|
|
const amount = parseFloat(row.querySelector('.mixed-amount').value) || 0;
|
|
const ref = row.querySelectorAll('input')[1]?.value || '';
|
|
if (amount > 0) {
|
|
paymentDetails.push({ method, amount, reference: ref });
|
|
amountPaid += amount;
|
|
}
|
|
});
|
|
if (amountPaid < total) { alert(`Monto total insuficiente. Falta: ${fmt(total - amountPaid)}`); return; }
|
|
}
|
|
|
|
const saleData = {
|
|
items: cart.map(item => ({
|
|
inventory_id: item.inventory_id,
|
|
quantity: item.quantity,
|
|
unit_price: item.unit_price,
|
|
discount_pct: item.discount_pct,
|
|
tax_rate: item.tax_rate,
|
|
})),
|
|
customer_id: currentCustomer ? currentCustomer.id : null,
|
|
payment_method: paymentMethod,
|
|
sale_type: 'cash',
|
|
register_id: currentRegister ? currentRegister.id : null,
|
|
amount_paid: amountPaid,
|
|
payment_details: paymentDetails,
|
|
reference: reference,
|
|
};
|
|
|
|
document.getElementById('btnConfirmPayment').disabled = true;
|
|
document.getElementById('btnConfirmPayment').textContent = 'Procesando...';
|
|
|
|
try {
|
|
const sale = await api('/pos/api/sales', {
|
|
method: 'POST',
|
|
body: JSON.stringify(saleData),
|
|
});
|
|
|
|
lastSaleId = sale.id;
|
|
closePaymentModal();
|
|
showTicket(sale);
|
|
|
|
// Clear cart
|
|
cart = [];
|
|
selectedRow = -1;
|
|
clearCustomer();
|
|
renderCart();
|
|
|
|
} catch (e) {
|
|
alert('Error al procesar venta: ' + e.message);
|
|
} finally {
|
|
document.getElementById('btnConfirmPayment').disabled = false;
|
|
document.getElementById('btnConfirmPayment').textContent = 'Confirmar Pago';
|
|
}
|
|
}
|
|
|
|
// ─── Credit Sale ─────────────────────
|
|
async function creditSale() {
|
|
if (cart.length === 0) { alert('Carrito vacio'); return; }
|
|
if (!currentCustomer) { alert('Seleccione un cliente para venta a credito'); return; }
|
|
if (!currentRegister) { alert('No hay caja abierta.'); return; }
|
|
|
|
const total = getTotal();
|
|
const available = (currentCustomer.credit_limit || 0) - (currentCustomer.credit_balance || 0);
|
|
|
|
if (currentCustomer.credit_limit > 0 && total > available) {
|
|
if (!confirm(`Credito insuficiente. Disponible: ${fmt(available)}, Total: ${fmt(total)}. Continuar de todas formas?`)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
const saleData = {
|
|
items: cart.map(item => ({
|
|
inventory_id: item.inventory_id,
|
|
quantity: item.quantity,
|
|
unit_price: item.unit_price,
|
|
discount_pct: item.discount_pct,
|
|
tax_rate: item.tax_rate,
|
|
})),
|
|
customer_id: currentCustomer.id,
|
|
payment_method: 'credito',
|
|
sale_type: 'credit',
|
|
register_id: currentRegister ? currentRegister.id : null,
|
|
amount_paid: 0,
|
|
};
|
|
|
|
try {
|
|
const sale = await api('/pos/api/sales', {
|
|
method: 'POST',
|
|
body: JSON.stringify(saleData),
|
|
});
|
|
|
|
lastSaleId = sale.id;
|
|
showTicket(sale);
|
|
cart = [];
|
|
selectedRow = -1;
|
|
clearCustomer();
|
|
renderCart();
|
|
} catch (e) {
|
|
alert('Error: ' + e.message);
|
|
}
|
|
}
|
|
|
|
// ─── Quotation ───────────────────────
|
|
async function saveQuotation() {
|
|
if (cart.length === 0) { alert('Carrito vacio'); return; }
|
|
|
|
const body = {
|
|
items: cart.map(item => ({
|
|
inventory_id: item.inventory_id,
|
|
quantity: item.quantity,
|
|
unit_price: item.unit_price,
|
|
discount_pct: item.discount_pct,
|
|
tax_rate: item.tax_rate,
|
|
})),
|
|
customer_id: currentCustomer ? currentCustomer.id : null,
|
|
};
|
|
|
|
try {
|
|
const result = await api('/pos/api/quotations', {
|
|
method: 'POST',
|
|
body: JSON.stringify(body),
|
|
});
|
|
alert(`Cotizacion #${result.id} guardada. Total: ${fmt(result.total)}\nValida hasta: ${result.valid_until}`);
|
|
} catch (e) {
|
|
alert('Error: ' + e.message);
|
|
}
|
|
}
|
|
|
|
// ─── Layaway ─────────────────────────
|
|
async function createLayaway() {
|
|
if (cart.length === 0) { alert('Carrito vacio'); return; }
|
|
if (!currentCustomer) { alert('Seleccione un cliente para apartado'); return; }
|
|
|
|
const total = getTotal();
|
|
const initialPayment = prompt(`Total: ${fmt(total)}\nIngrese monto del anticipo:`);
|
|
if (!initialPayment) return;
|
|
|
|
const amount = parseFloat(initialPayment);
|
|
if (isNaN(amount) || amount <= 0) { alert('Monto invalido'); return; }
|
|
if (amount > total) { alert('El anticipo no puede exceder el total'); return; }
|
|
|
|
const body = {
|
|
items: cart.map(item => ({
|
|
inventory_id: item.inventory_id,
|
|
quantity: item.quantity,
|
|
unit_price: item.unit_price,
|
|
discount_pct: item.discount_pct,
|
|
tax_rate: item.tax_rate,
|
|
})),
|
|
customer_id: currentCustomer.id,
|
|
initial_payment: amount,
|
|
payment_method: 'efectivo',
|
|
register_id: currentRegister ? currentRegister.id : null,
|
|
};
|
|
|
|
try {
|
|
const result = await api('/pos/api/layaways', {
|
|
method: 'POST',
|
|
body: JSON.stringify(body),
|
|
});
|
|
alert(
|
|
`Apartado #${result.id} creado.\n` +
|
|
`Total: ${fmt(result.total)}\n` +
|
|
`Anticipo: ${fmt(result.amount_paid)}\n` +
|
|
`Restante: ${fmt(result.remaining)}\n` +
|
|
`Vence: ${result.expires_at}`
|
|
);
|
|
cart = [];
|
|
selectedRow = -1;
|
|
clearCustomer();
|
|
renderCart();
|
|
} catch (e) {
|
|
alert('Error: ' + e.message);
|
|
}
|
|
}
|
|
|
|
// ─── Ticket ──────────────────────────
|
|
function showTicket(sale) {
|
|
const lines = [];
|
|
lines.push('========================================');
|
|
lines.push(' NEXUS POS');
|
|
lines.push('========================================');
|
|
lines.push(`Venta #${sale.id}`);
|
|
lines.push(`Fecha: ${new Date(sale.created_at).toLocaleString('es-MX')}`);
|
|
if (currentCustomer) {
|
|
lines.push(`Cliente: ${currentCustomer.name}`);
|
|
if (currentCustomer.rfc) lines.push(`RFC: ${currentCustomer.rfc}`);
|
|
} else {
|
|
lines.push('Cliente: Publico General');
|
|
}
|
|
lines.push('----------------------------------------');
|
|
|
|
(sale.items || []).forEach(item => {
|
|
lines.push(`${item.name}`);
|
|
let line = ` ${item.quantity} x ${fmt(item.unit_price)}`;
|
|
if (item.discount_pct > 0) line += ` (-${item.discount_pct}%)`;
|
|
line += ` ${fmt(item.subtotal)}`;
|
|
lines.push(line);
|
|
});
|
|
|
|
lines.push('----------------------------------------');
|
|
lines.push(`Subtotal: ${fmt(sale.subtotal).padStart(12)}`);
|
|
if (sale.discount_total > 0) {
|
|
lines.push(`Descuento: -${fmt(sale.discount_total).padStart(12)}`);
|
|
}
|
|
lines.push(`IVA: ${fmt(sale.tax_total).padStart(12)}`);
|
|
lines.push('========================================');
|
|
lines.push(`TOTAL: ${fmt(sale.total).padStart(12)}`);
|
|
lines.push('========================================');
|
|
|
|
if (sale.payment_method === 'efectivo') {
|
|
lines.push(`Efectivo: ${fmt(sale.amount_paid).padStart(12)}`);
|
|
lines.push(`Cambio: ${fmt(sale.change_given).padStart(12)}`);
|
|
} else {
|
|
lines.push(`Pago: ${sale.payment_method}`);
|
|
}
|
|
|
|
lines.push('');
|
|
lines.push(' Gracias por su compra!');
|
|
lines.push('');
|
|
|
|
document.getElementById('ticketPreview').textContent = lines.join('\n');
|
|
document.getElementById('ticketModal').classList.add('active');
|
|
}
|
|
|
|
function closeTicketModal() {
|
|
document.getElementById('ticketModal').classList.remove('active');
|
|
}
|
|
|
|
function printTicket() {
|
|
window.print();
|
|
}
|
|
|
|
// ─── Last Sale ───────────────────────
|
|
async function showLastSale() {
|
|
if (!lastSaleId) { alert('No hay venta reciente'); return; }
|
|
try {
|
|
const sale = await api(`/pos/api/sales/${lastSaleId}`);
|
|
showTicket(sale);
|
|
} catch (e) {
|
|
alert('Error: ' + e.message);
|
|
}
|
|
}
|
|
|
|
// ─── Drawer ──────────────────────────
|
|
function openDrawer() {
|
|
// Cash drawer open command (ESC/POS compatible)
|
|
// In a real implementation, this would send the command to the printer
|
|
alert('Comando enviado al cajon de efectivo.');
|
|
}
|
|
|
|
// ─── Keyboard Shortcuts ──────────────
|
|
function setupKeyboard() {
|
|
document.addEventListener('keydown', (e) => {
|
|
// Don't intercept when typing in inputs
|
|
const tag = e.target.tagName;
|
|
const inInput = tag === 'INPUT' || tag === 'TEXTAREA' || tag === 'SELECT';
|
|
|
|
switch (e.key) {
|
|
case 'F1':
|
|
e.preventDefault();
|
|
document.getElementById('itemSearch').focus();
|
|
break;
|
|
case 'F2':
|
|
e.preventDefault();
|
|
document.getElementById('customerSearch').focus();
|
|
document.getElementById('customerSearch').style.display = '';
|
|
document.getElementById('customerSelected').style.display = 'none';
|
|
break;
|
|
case 'F3':
|
|
e.preventDefault();
|
|
checkout();
|
|
break;
|
|
case 'F4':
|
|
e.preventDefault();
|
|
saveQuotation();
|
|
break;
|
|
case 'F5':
|
|
e.preventDefault();
|
|
showLastSale();
|
|
break;
|
|
case 'F6':
|
|
e.preventDefault();
|
|
openDrawer();
|
|
break;
|
|
case 'Escape':
|
|
e.preventDefault();
|
|
if (document.getElementById('paymentModal').classList.contains('active')) {
|
|
closePaymentModal();
|
|
} else if (document.getElementById('newCustomerModal').classList.contains('active')) {
|
|
closeNewCustomerModal();
|
|
} else if (document.getElementById('ticketModal').classList.contains('active')) {
|
|
closeTicketModal();
|
|
} else {
|
|
hideSearchResults();
|
|
}
|
|
break;
|
|
case 'Delete':
|
|
if (!inInput && selectedRow >= 0 && selectedRow < cart.length) {
|
|
e.preventDefault();
|
|
removeFromCart(selectedRow);
|
|
}
|
|
break;
|
|
case '+':
|
|
if (!inInput && selectedRow >= 0 && selectedRow < cart.length) {
|
|
e.preventDefault();
|
|
cart[selectedRow].quantity++;
|
|
renderCart();
|
|
}
|
|
break;
|
|
case '-':
|
|
if (!inInput && selectedRow >= 0 && selectedRow < cart.length) {
|
|
e.preventDefault();
|
|
if (cart[selectedRow].quantity > 1) {
|
|
cart[selectedRow].quantity--;
|
|
renderCart();
|
|
}
|
|
}
|
|
break;
|
|
case '*':
|
|
if (!inInput && selectedRow >= 0 && selectedRow < cart.length) {
|
|
e.preventDefault();
|
|
const disc = prompt('Descuento %:', cart[selectedRow].discount_pct);
|
|
if (disc !== null) {
|
|
updateDiscount(selectedRow, disc);
|
|
}
|
|
}
|
|
break;
|
|
case 'ArrowUp':
|
|
if (!inInput && cart.length > 0) {
|
|
e.preventDefault();
|
|
selectedRow = Math.max(0, selectedRow - 1);
|
|
renderCart();
|
|
}
|
|
break;
|
|
case 'ArrowDown':
|
|
if (!inInput && cart.length > 0) {
|
|
e.preventDefault();
|
|
selectedRow = Math.min(cart.length - 1, selectedRow + 1);
|
|
renderCart();
|
|
}
|
|
break;
|
|
case 'Enter':
|
|
if (e.target.id === 'cashReceived') {
|
|
e.preventDefault();
|
|
confirmPayment();
|
|
}
|
|
break;
|
|
}
|
|
});
|
|
}
|
|
|
|
// ─── Public API ──────────────────────
|
|
init();
|
|
|
|
return {
|
|
addToCart, removeFromCart, selectRow,
|
|
updateQty, updateDiscount,
|
|
addFromSearch, hideSearchResults,
|
|
selectCustomer, clearCustomer,
|
|
showNewCustomerModal, closeNewCustomerModal, saveNewCustomer,
|
|
checkout, confirmPayment, closePaymentModal,
|
|
selectPaymentMethod, updateChange, updateMixedTotal,
|
|
creditSale, saveQuotation, createLayaway,
|
|
showLastSale, openDrawer,
|
|
showTicket, closeTicketModal, printTicket,
|
|
};
|
|
})();
|