Autosave: 20260206-043847
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Flatlogic Bot
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core/templates/core/customer_display.html
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277
core/templates/core/customer_display.html
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@ -0,0 +1,277 @@
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{% load static i18n l10n %}
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<!DOCTYPE html>
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<html lang="{{ LANGUAGE_CODE }}" dir="{% if LANGUAGE_CODE == 'ar' %}rtl{% else %}ltr{% endif %}">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{% trans "Customer Display" %} | {{ settings.business_name }}</title>
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<!-- Bootstrap CSS -->
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<link rel="stylesheet" href="{% static 'bootstrap/dist/css/bootstrap.min.css' %}">
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css">
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<style>
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:root {
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--bs-primary-rgb: 13, 110, 253;
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}
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body {
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background-color: #f8f9fa;
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height: 100vh;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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}
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.main-container {
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flex: 1;
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display: flex;
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height: 100%;
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}
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.left-panel {
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flex: 1;
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padding: 2rem;
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display: flex;
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flex-direction: column;
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border-right: 1px solid #dee2e6;
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background: white;
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}
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.right-panel {
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width: 40%;
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background-color: #f8f9fa;
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padding: 2rem;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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text-align: center;
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}
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.cart-list {
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flex: 1;
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overflow-y: auto;
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padding-right: 10px;
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}
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.cart-item {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 1rem;
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border-bottom: 1px solid #f1f3f5;
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transition: background 0.3s;
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}
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.cart-item.new-item {
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animation: highlight 1s ease-out;
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}
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@keyframes highlight {
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0% { background-color: rgba(var(--bs-primary-rgb), 0.1); }
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100% { background-color: transparent; }
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}
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.item-name {
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font-weight: bold;
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font-size: 1.1rem;
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margin-bottom: 0.2rem;
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}
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.item-meta {
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font-size: 0.9rem;
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color: #6c757d;
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}
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.item-price {
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font-weight: bold;
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font-size: 1.1rem;
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}
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.total-display {
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background: var(--bs-primary);
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color: white;
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padding: 2rem;
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border-radius: 1rem;
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width: 100%;
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margin-top: auto;
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box-shadow: 0 10px 20px rgba(var(--bs-primary-rgb), 0.2);
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}
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.welcome-screen {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background: white;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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z-index: 1000;
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transition: opacity 0.5s;
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}
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/* UPDATED: display: none is safer than opacity for hiding overlay */
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.welcome-screen.hidden {
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display: none !important;
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}
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</style>
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</head>
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<body>
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<!-- Welcome / Idle Screen -->
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<div id="welcomeScreen" class="welcome-screen">
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<div class="text-center">
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{% if settings.logo %}
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<img src="{{ settings.logo.url }}" alt="Logo" class="mb-4" style="max-height: 150px;">
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{% else %}
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<i class="bi bi-shop display-1 text-primary mb-4"></i>
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{% endif %}
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<h1 class="display-4 fw-bold text-primary">{{ settings.business_name }}</h1>
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<p class="lead text-muted mt-3">{% trans "Welcome! We are ready to serve you." %}</p>
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</div>
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</div>
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<!-- Active Transaction Screen -->
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<div class="main-container">
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<!-- Left: Cart Items -->
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<div class="left-panel">
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<h4 class="fw-bold mb-4 border-bottom pb-3">{% trans "Your Order" %}</h4>
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<div class="cart-list" id="cartList">
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<!-- Items injected via JS -->
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</div>
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</div>
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<!-- Right: Totals & Ads -->
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<div class="right-panel">
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<div class="mb-auto w-100">
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{% if settings.logo %}
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<img src="{{ settings.logo.url }}" alt="Logo" class="mb-3" style="max-height: 80px;">
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{% endif %}
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<h5 class="fw-bold">{{ settings.business_name }}</h5>
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</div>
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<!-- Big Total Box -->
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<div class="total-display">
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<div class="d-flex justify-content-between align-items-end mb-2">
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<span class="h5 mb-0 opacity-75">{% trans "Total" %}</span>
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</div>
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<div class="display-3 fw-bold" id="totalAmount">{{ settings.currency_symbol }} 0.000</div>
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<div class="mt-3 pt-3 border-top border-white border-opacity-25 d-flex justify-content-between">
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<span class="small">{% trans "Items" %}: <span id="itemCount">0</span></span>
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<span class="small">{% trans "Tax" %}: <span id="taxAmount">0.000</span></span>
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</div>
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</div>
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</div>
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</div>
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<!-- Debug Status (z-index increased to 2000) -->
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<div id="debugStatus" style="position: fixed; bottom: 5px; right: 5px; font-size: 11px; color: #555; background: rgba(255,255,200,0.9); padding: 5px 10px; border-radius: 5px; border: 1px solid #ccc; z-index: 2000; font-family: monospace;">Init (v3)...</div>
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<script>
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const currencySymbol = '{{ settings.currency_symbol|escapejs }}';
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const welcomeScreen = document.getElementById('welcomeScreen');
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const cartList = document.getElementById('cartList');
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const totalEl = document.getElementById('totalAmount');
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const countEl = document.getElementById('itemCount');
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const taxEl = document.getElementById('taxAmount');
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const debugEl = document.getElementById('debugStatus');
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function updateStatus(msg) {
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console.log('[CFD] ' + msg);
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debugEl.innerText = msg + ' (' + new Date().toLocaleTimeString() + ')';
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}
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function handleMessage(event) {
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const data = event.data;
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if (!data) return;
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updateStatus('Msg: ' + (data.type || 'unknown'));
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if (data.type === 'update_cart') {
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renderCart(data.cart, data.totals);
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} else if (data.type === 'clear') {
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showWelcome();
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}
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}
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// 1. BroadcastChannel (Cross-tab)
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const channel = new BroadcastChannel('pos_channel');
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channel.onmessage = handleMessage;
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// 2. Direct Window Message (Parent-Child)
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window.addEventListener('message', handleMessage);
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// 3. LocalStorage (Cross-window backup)
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window.addEventListener('storage', (event) => {
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if (event.key === 'pos_cart_update' && event.newValue) {
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updateStatus('Storage Event');
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try {
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const msg = JSON.parse(event.newValue);
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handleMessage({ data: msg });
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} catch(e) { updateStatus('Storage Parse Error'); }
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}
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});
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// Initial load: Check storage
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const stored = localStorage.getItem('pos_cart_update');
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if (stored) {
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try {
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const msg = JSON.parse(stored);
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updateStatus('Restored Storage');
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// Small delay to ensure DOM is ready
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setTimeout(() => handleMessage({ data: msg }), 100);
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} catch(e) {
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updateStatus('Storage Error');
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}
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} else {
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updateStatus('No Storage Data');
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}
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// Handshake: Ask POS for current state
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setTimeout(() => {
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updateStatus('Requesting Sync...');
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try {
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channel.postMessage({ type: 'new_client' });
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} catch(e) {
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updateStatus('BC Error');
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}
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}, 500);
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function renderCart(cart, totals) {
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updateStatus('Render: ' + (cart ? cart.length : 0));
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if (!cart || cart.length === 0) {
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showWelcome();
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return;
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}
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welcomeScreen.classList.add('hidden');
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cartList.innerHTML = '';
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cart.forEach(item => {
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const div = document.createElement('div');
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div.className = 'cart-item';
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div.innerHTML = `
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<div>
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<div class="item-name">${item.name_ar} / ${item.name_en}</div>
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<div class="item-meta">${item.quantity} x ${parseFloat(item.price).toFixed(3)}</div>
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</div>
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<div class="item-price">${parseFloat(item.line_total).toFixed(3)}</div>
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`;
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cartList.appendChild(div);
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});
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// Scroll to bottom
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cartList.scrollTop = cartList.scrollHeight;
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// Update Totals
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if (totals) {
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totalEl.innerText = `${currencySymbol} ${parseFloat(totals.total).toFixed(3)}`;
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taxEl.innerText = parseFloat(totals.tax).toFixed(3);
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// Calculate item count
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const count = cart.reduce((acc, item) => acc + parseFloat(item.quantity), 0);
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countEl.innerText = count;
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}
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}
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function showWelcome() {
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updateStatus('State: Welcome');
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welcomeScreen.classList.remove('hidden');
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cartList.innerHTML = '';
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totalEl.innerText = `${currencySymbol} 0.000`;
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countEl.innerText = '0';
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taxEl.innerText = '0.000';
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}
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</script>
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</body>
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</html>
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@ -128,6 +128,14 @@
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<div class="col-lg-8">
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<div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center mb-4 gap-3">
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<h4 class="fw-bold mb-0">{% trans "Point of Sale" %}</h4>
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<div class="ms-3 d-flex gap-2">
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<button class="btn btn-sm btn-outline-secondary" onclick="openCustomerDisplay()" title="{% trans 'Open Customer Screen' %}">
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<i class="bi bi-display"></i> <span class="d-none d-md-inline">{% trans "Customer Screen" %}</span>
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</button>
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<button class="btn btn-sm btn-outline-warning" onclick="broadcastCartUpdate()" title="{% trans 'Force Sync' %}">
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<i class="bi bi-arrow-repeat"></i> <span class="d-none d-md-inline">{% trans "Sync" %}</span>
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</button>
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</div>
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<div class="input-group w-100 w-md-50">
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<span class="input-group-text bg-white border-end-0"><i class="bi bi-search"></i></span>
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<input type="text" id="productSearch" class="form-control border-start-0 shadow-none" placeholder="{% trans 'Search products...' %}">
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@ -571,6 +579,7 @@
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cart = [];
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document.getElementById('discountInput').value = 0;
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renderCart();
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broadcastClear();
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}
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}
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@ -583,6 +592,7 @@
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document.getElementById('subtotalAmount').innerText = `${currency} ${formatAmount(subtotal)}`;
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document.getElementById('taxAmount').innerText = `${currency} ${formatAmount(totalVat)}`;
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document.getElementById('totalAmount').innerText = `${currency} ${formatAmount(total)}`;
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broadcastCartUpdate();
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}
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function renderCart() {
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@ -826,6 +836,7 @@
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customerLoyalty = null;
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document.getElementById('loyaltyInfo').classList.add('d-none');
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renderCart();
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broadcastClear();
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// Show receipt modal
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const receiptModal = new bootstrap.Modal(document.getElementById('receiptModal'));
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@ -1046,6 +1057,7 @@
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document.getElementById('customerSearchInput').value = data.customer_name || "";
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document.getElementById('clearCustomerBtn').style.display = data.customer_id ? 'block' : 'none';
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renderCart();
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broadcastClear();
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onCustomerChange();
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updateHeldCount();
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@ -1182,6 +1194,68 @@ document.addEventListener('click', function(e) {
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container.classList.add('d-none');
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}
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});
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// Customer Display Logic
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let customerDisplayWindow = null;
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const displayChannel = new BroadcastChannel('pos_channel');
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function openCustomerDisplay() {
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if (customerDisplayWindow && !customerDisplayWindow.closed) {
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customerDisplayWindow.focus();
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} else {
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customerDisplayWindow = window.open('{% url "customer_display" %}', 'CustomerDisplay', 'width=800,height=600,menubar=no,toolbar=no,location=no,status=no');
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setTimeout(broadcastCartUpdate, 1000);
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}
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}
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// NEW: Listen for new clients requesting state
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displayChannel.onmessage = (event) => {
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if (event.data && event.data.type === 'new_client') {
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console.log('[POS] New Client Handshake Received');
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broadcastCartUpdate();
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}
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};
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function broadcastCartUpdate() {
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const subtotal = cart.reduce((acc, item) => acc + item.line_total, 0);
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const totalVat = cart.reduce((acc, item) => acc + (item.line_total * (item.vat_rate / 100)), 0);
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const discount = parseFloat(document.getElementById('discountInput').value) || 0;
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const total = Math.max(0, subtotal + totalVat - discount);
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const msg = {
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type: 'update_cart',
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timestamp: Date.now(),
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cart: cart,
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totals: {
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subtotal: subtotal,
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tax: totalVat,
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discount: discount,
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total: total
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}
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};
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// 1. BroadcastChannel
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try { displayChannel.postMessage(msg); } catch(e) { console.error('BC Error:', e); }
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// 2. Direct Window
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if (customerDisplayWindow && !customerDisplayWindow.closed) {
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customerDisplayWindow.postMessage(msg, '*');
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}
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// 3. LocalStorage Fallback (triggers 'storage' event in other tabs)
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localStorage.setItem('pos_cart_update', JSON.stringify(msg));
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console.log('[POS] Cart Broadcast Sent');
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}
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function broadcastClear() {
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const msg = { type: 'clear' };
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displayChannel.postMessage(msg);
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if (customerDisplayWindow && !customerDisplayWindow.closed) {
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customerDisplayWindow.postMessage(msg, '*');
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}
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localStorage.setItem('pos_cart_update', JSON.stringify(msg));
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}
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</script>
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{% endlocalize %}
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{% endblock %}
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@ -5,6 +5,7 @@ urlpatterns = [
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path('', views.index, name='index'),
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path('inventory/', views.inventory, name='inventory'),
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path('pos/', views.pos, name='pos'),
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path('pos/display/', views.customer_display, name='customer_display'),
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path('customers/', views.customers, name='customers'),
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path('suppliers/', views.suppliers, name='suppliers'),
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path('purchases/', views.purchases, name='purchases'),
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168
core/views.py
168
core/views.py
@ -484,6 +484,166 @@ def create_sale_api(request):
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sale.status = 'unpaid'
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sale.save()
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# Record initial payment if any
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if float(paid_amount) > 0:
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pm = None
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if payment_method_id:
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pm = PaymentMethod.objects.filter(id=payment_method_id).first()
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SalePayment.objects.create(
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sale=sale,
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amount=paid_amount,
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payment_method=pm,
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payment_method_name=pm.name_en if pm else payment_type.capitalize(),
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notes="Initial payment",
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created_by=request.user
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)
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for item in items:
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product = Product.objects.get(id=item['id'])
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SaleItem.objects.create(
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sale=sale,
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product=product,
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quantity=item['quantity'],
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unit_price=item['price'],
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line_total=item['line_total']
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)
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product.stock_quantity -= int(item['quantity'])
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product.save()
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# Handle Loyalty Points
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if settings.loyalty_enabled and customer:
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# Earn Points
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points_earned = float(total_amount) * float(settings.points_per_currency)
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if customer.loyalty_tier:
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points_earned *= float(customer.loyalty_tier.point_multiplier)
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if points_earned > 0:
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customer.loyalty_points += decimal.Decimal(str(points_earned))
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LoyaltyTransaction.objects.create(
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customer=customer,
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sale=sale,
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transaction_type='earned',
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points=points_earned,
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notes=f"Points earned from Sale #{sale.id}"
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)
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# Redeem Points
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if points_to_redeem > 0:
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customer.loyalty_points -= decimal.Decimal(str(points_to_redeem))
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LoyaltyTransaction.objects.create(
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customer=customer,
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sale=sale,
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transaction_type='redeemed',
|
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points=-points_to_redeem,
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notes=f"Points redeemed for Sale #{sale.id}"
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)
|
||||
|
||||
customer.update_tier()
|
||||
customer.save()
|
||||
|
||||
return JsonResponse({
|
||||
'success': True,
|
||||
'sale_id': sale.id,
|
||||
'business': {
|
||||
'name': settings.business_name,
|
||||
'address': settings.address,
|
||||
'phone': settings.phone,
|
||||
'email': settings.email,
|
||||
'currency': settings.currency_symbol,
|
||||
'vat_number': settings.vat_number,
|
||||
'registration_number': settings.registration_number,
|
||||
'logo_url': settings.logo.url if settings.logo else None
|
||||
},
|
||||
'sale': {
|
||||
'id': sale.id,
|
||||
'invoice_number': sale.invoice_number,
|
||||
'created_at': sale.created_at.strftime("%Y-%m-%d %H:%M"),
|
||||
'subtotal': float(sale.subtotal),
|
||||
'vat_amount': float(sale.vat_amount),
|
||||
'total': float(sale.total_amount),
|
||||
'discount': float(sale.discount),
|
||||
'paid': float(sale.paid_amount),
|
||||
'balance': float(sale.balance_due),
|
||||
'customer_name': sale.customer.name if sale.customer else 'Guest',
|
||||
'items': [
|
||||
{
|
||||
'name_en': si.product.name_en,
|
||||
'name_ar': si.product.name_ar,
|
||||
'qty': si.quantity,
|
||||
'price': float(si.unit_price),
|
||||
'total': float(si.line_total)
|
||||
} for si in sale.items.all()
|
||||
]
|
||||
}
|
||||
})
|
||||
except Exception as e:
|
||||
return JsonResponse({'success': False, 'error': str(e)}, status=400)
|
||||
def create_sale_api(request):
|
||||
if request.method == 'POST':
|
||||
try:
|
||||
data = json.loads(request.body)
|
||||
customer_id = data.get('customer_id')
|
||||
invoice_number = data.get('invoice_number', '')
|
||||
items = data.get('items', [])
|
||||
|
||||
# Retrieve amounts
|
||||
subtotal = data.get('subtotal', 0)
|
||||
vat_amount = data.get('vat_amount', 0)
|
||||
total_amount = data.get('total_amount', 0)
|
||||
|
||||
paid_amount = data.get('paid_amount', 0)
|
||||
discount = data.get('discount', 0)
|
||||
payment_type = data.get('payment_type', 'cash')
|
||||
payment_method_id = data.get('payment_method_id')
|
||||
due_date = data.get('due_date')
|
||||
notes = data.get('notes', '')
|
||||
|
||||
# Loyalty data
|
||||
points_to_redeem = data.get('loyalty_points_redeemed', 0)
|
||||
|
||||
customer = None
|
||||
if customer_id:
|
||||
customer = Customer.objects.get(id=customer_id)
|
||||
|
||||
if not customer and payment_type != 'cash':
|
||||
return JsonResponse({'success': False, 'error': _('Credit or Partial payments are not allowed for Guest customers.')}, status=400)
|
||||
|
||||
settings = SystemSetting.objects.first()
|
||||
if not settings:
|
||||
settings = SystemSetting.objects.create()
|
||||
|
||||
loyalty_discount = 0
|
||||
if settings.loyalty_enabled and customer and points_to_redeem > 0:
|
||||
if customer.loyalty_points >= points_to_redeem:
|
||||
loyalty_discount = float(points_to_redeem) * float(settings.currency_per_point)
|
||||
|
||||
sale = Sale.objects.create(
|
||||
customer=customer,
|
||||
invoice_number=invoice_number,
|
||||
subtotal=subtotal,
|
||||
vat_amount=vat_amount,
|
||||
total_amount=total_amount,
|
||||
paid_amount=paid_amount,
|
||||
balance_due=float(total_amount) - float(paid_amount),
|
||||
discount=discount,
|
||||
loyalty_points_redeemed=points_to_redeem,
|
||||
loyalty_discount_amount=loyalty_discount,
|
||||
payment_type=payment_type,
|
||||
due_date=due_date if due_date else None,
|
||||
notes=notes,
|
||||
created_by=request.user
|
||||
)
|
||||
|
||||
# Set status based on payments
|
||||
if float(paid_amount) >= float(total_amount):
|
||||
sale.status = 'paid'
|
||||
elif float(paid_amount) > 0:
|
||||
sale.status = 'partial'
|
||||
else:
|
||||
sale.status = 'unpaid'
|
||||
sale.save()
|
||||
|
||||
# Record initial payment if any
|
||||
if float(paid_amount) > 0:
|
||||
pm = None
|
||||
@ -2424,3 +2584,11 @@ def search_customers_api(request):
|
||||
else:
|
||||
customers = []
|
||||
return JsonResponse({'results': list(customers)})
|
||||
|
||||
@login_required
|
||||
def customer_display(request):
|
||||
"""
|
||||
Render the Customer Facing Display screen.
|
||||
"""
|
||||
settings = SystemSetting.objects.first()
|
||||
return render(request, "core/customer_display.html", {"settings": settings})
|
||||
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Reference in New Issue
Block a user