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feat(pos): WhatsApp Business API integration — send/receive messages, quotations

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Add full WhatsApp Cloud API integration for Nexus POS:
- Service layer (whatsapp_service.py): send text, templates, quotations,
  order confirmations, stock alerts; process incoming webhooks with AI auto-reply
- Blueprint (whatsapp_bp.py): public webhook endpoints for Meta verification +
  incoming messages; authenticated endpoints for send, send-quote, conversations
- Conversation UI (whatsapp.html + whatsapp.js): split-panel messenger with
  conversation list, chat bubbles, send input, quote sending; both themes
- Migration v1.4: whatsapp_messages table with phone/direction/status indexes
- Config: WHATSAPP_TOKEN, WHATSAPP_PHONE_ID, WHATSAPP_VERIFY_TOKEN env vars
- Sidebar: WhatsApp nav item under Gestion with message-bubble icon
- Ready for Meta Business credentials (infrastructure complete, no API keys needed)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
consultoria-as
2026-04-04 02:42:17 +00:00
parent 840790a4d0
commit c645bc03f3
9 changed files with 1451 additions and 0 deletions
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<!DOCTYPE html>
<html lang="es" data-theme="industrial">
<head>
<script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>WhatsApp — Nexus Autoparts POS</title>
<link rel="stylesheet" href="/pos/static/css/tokens.css" />
<link rel="manifest" href="/pos/static/pwa/manifest.json" />
<meta name="theme-color" content="#F5A623" />
<style>
/* =========================================================================
BASE RESET & SHELL
========================================================================= */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html, body {
height: 100%;
}
body {
font-family: var(--font-body);
font-size: var(--text-body-sm);
color: var(--color-text-primary);
background-color: var(--color-bg-base);
transition: background-color var(--duration-normal) var(--ease-in-out),
color var(--duration-normal) var(--ease-in-out);
overflow: hidden;
}
[data-theme="modern"] body {
background-image: radial-gradient(
circle,
var(--dot-grid-color) 1px,
transparent 1px
);
background-size: var(--dot-grid-size) var(--dot-grid-size);
}
/* =========================================================================
LAYOUT: sidebar offset + full-height messenger
========================================================================= */
.page-shell {
display: flex;
height: 100vh;
overflow: hidden;
}
.main-content {
flex: 1;
display: flex;
flex-direction: column;
overflow: hidden;
}
/* =========================================================================
TOP BAR
========================================================================= */
.top-bar {
display: flex;
align-items: center;
justify-content: space-between;
height: 48px;
padding: 0 var(--space-4);
background: var(--color-bg-elevated);
border-bottom: 1px solid var(--color-border);
flex-shrink: 0;
}
.top-bar__title {
font-family: var(--font-heading);
font-size: var(--text-body);
font-weight: var(--font-weight-bold);
letter-spacing: var(--tracking-wide);
text-transform: uppercase;
color: var(--color-text-primary);
display: flex;
align-items: center;
gap: var(--space-2);
}
.top-bar__title svg {
color: #25D366;
}
.top-bar__actions {
display: flex;
gap: var(--space-2);
align-items: center;
}
.top-bar__status {
display: flex;
align-items: center;
gap: 6px;
font-size: var(--text-caption);
color: var(--color-text-muted);
}
.status-dot {
width: 8px;
height: 8px;
border-radius: 50%;
background: var(--color-text-muted);
}
.status-dot--ok { background: var(--color-success); }
.status-dot--warn { background: var(--color-warning); }
.status-dot--error { background: var(--color-error); }
/* =========================================================================
MESSENGER LAYOUT: conversations list + chat panel
========================================================================= */
.messenger {
flex: 1;
display: flex;
overflow: hidden;
}
/* ─── Left panel: conversation list ──────────────────────────────── */
.conv-panel {
width: 320px;
min-width: 260px;
display: flex;
flex-direction: column;
border-right: 1px solid var(--color-border);
background: var(--color-bg-elevated);
}
.conv-panel__header {
display: flex;
align-items: center;
justify-content: space-between;
padding: var(--space-3) var(--space-4);
border-bottom: 1px solid var(--color-border);
flex-shrink: 0;
}
.conv-panel__title {
font-weight: var(--font-weight-semibold);
font-size: var(--text-body-sm);
color: var(--color-text-secondary);
text-transform: uppercase;
letter-spacing: var(--tracking-wider);
}
.conv-panel__list {
flex: 1;
overflow-y: auto;
scrollbar-width: thin;
scrollbar-color: var(--scrollbar-thumb, #444) var(--scrollbar-track, #222);
}
.conv-item {
display: flex;
flex-direction: column;
padding: var(--space-3) var(--space-4);
border-bottom: 1px solid var(--color-border);
cursor: pointer;
transition: background var(--duration-fast) var(--ease-in-out);
}
.conv-item:hover {
background: var(--color-surface-2, rgba(255,255,255,0.04));
}
.conv-item.is-active {
background: var(--color-primary-muted, rgba(245,166,35,0.12));
border-left: 3px solid var(--color-primary);
}
.conv-item__phone {
font-weight: var(--font-weight-semibold);
font-size: var(--text-body-sm);
color: var(--color-text-primary);
}
.conv-item__preview {
font-size: var(--text-caption);
color: var(--color-text-muted);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
margin-top: 2px;
}
.conv-item__time {
font-size: 0.6875rem;
color: var(--color-text-muted);
margin-top: 2px;
}
.conv-empty {
padding: var(--space-6);
text-align: center;
color: var(--color-text-muted);
font-size: var(--text-body-sm);
}
/* ─── Right panel: chat view ─────────────────────────────────────── */
.chat-panel {
flex: 1;
display: flex;
flex-direction: column;
background: var(--color-bg-base);
}
.chat-panel__header {
display: flex;
align-items: center;
justify-content: space-between;
padding: var(--space-3) var(--space-4);
background: var(--color-bg-elevated);
border-bottom: 1px solid var(--color-border);
flex-shrink: 0;
}
.chat-panel__phone {
font-weight: var(--font-weight-semibold);
font-size: var(--text-body);
color: var(--color-text-primary);
}
.chat-panel__actions {
display: flex;
gap: var(--space-2);
}
.chat-panel__messages {
flex: 1;
overflow-y: auto;
padding: var(--space-4);
display: flex;
flex-direction: column;
gap: var(--space-2);
scrollbar-width: thin;
scrollbar-color: var(--scrollbar-thumb, #444) var(--scrollbar-track, #222);
}
/* ─── Message bubbles ────────────────────────────────────────────── */
.msg-bubble {
max-width: 70%;
padding: var(--space-2) var(--space-3);
border-radius: var(--radius-md, 8px);
word-wrap: break-word;
line-height: 1.5;
}
.msg-bubble--in {
align-self: flex-start;
background: var(--color-surface-2, rgba(255,255,255,0.06));
color: var(--color-text-primary);
border-bottom-left-radius: var(--radius-xs, 2px);
}
[data-theme="modern"] .msg-bubble--in {
background: var(--color-neutral-100);
}
.msg-bubble--out {
align-self: flex-end;
background: var(--color-primary-muted, rgba(245,166,35,0.15));
color: var(--color-text-primary);
border-bottom-right-radius: var(--radius-xs, 2px);
}
[data-theme="modern"] .msg-bubble--out {
background: #dcf8c6;
color: #111;
}
.msg-bubble__text {
font-size: var(--text-body-sm);
}
.msg-bubble__meta {
font-size: 0.6875rem;
color: var(--color-text-muted);
margin-top: 4px;
text-align: right;
}
.msg-status {
display: inline-block;
font-size: 0.625rem;
padding: 1px 4px;
border-radius: var(--radius-xs, 2px);
background: var(--color-surface-3, rgba(255,255,255,0.04));
color: var(--color-text-muted);
margin-left: 4px;
}
.chat-empty {
text-align: center;
color: var(--color-text-muted);
padding: var(--space-8);
}
/* ─── Chat input bar ─────────────────────────────────────────────── */
.chat-input-bar {
display: flex;
gap: var(--space-2);
padding: var(--space-3) var(--space-4);
border-top: 1px solid var(--color-border);
background: var(--color-bg-elevated);
flex-shrink: 0;
}
.chat-input-bar textarea {
flex: 1;
resize: none;
border: 1px solid var(--color-border);
border-radius: var(--radius-md, 8px);
background: var(--color-bg-base);
color: var(--color-text-primary);
padding: var(--space-2) var(--space-3);
font-family: var(--font-body);
font-size: var(--text-body-sm);
line-height: 1.4;
min-height: 40px;
max-height: 100px;
}
.chat-input-bar textarea:focus {
outline: none;
border-color: var(--color-primary);
box-shadow: 0 0 0 2px var(--color-primary-muted, rgba(245,166,35,0.2));
}
.chat-input-bar textarea::placeholder {
color: var(--color-text-muted);
}
/* ─── Buttons ────────────────────────────────────────────────────── */
.btn {
display: inline-flex;
align-items: center;
gap: 6px;
padding: var(--space-2) var(--space-3);
border: 1px solid var(--color-border);
border-radius: var(--radius-sm, 4px);
background: var(--color-bg-elevated);
color: var(--color-text-primary);
font-family: var(--font-body);
font-size: var(--text-body-sm);
font-weight: var(--font-weight-semibold);
cursor: pointer;
transition: all var(--duration-fast) var(--ease-in-out);
white-space: nowrap;
}
.btn:hover {
background: var(--color-surface-2, rgba(255,255,255,0.06));
}
.btn--primary {
background: var(--color-primary);
color: var(--color-text-inverse, #fff);
border-color: var(--color-primary);
}
.btn--primary:hover {
opacity: 0.9;
}
.btn--primary:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.btn--sm {
padding: 4px 8px;
font-size: var(--text-caption);
}
.btn--whatsapp {
background: #25D366;
color: #fff;
border-color: #25D366;
}
.btn--whatsapp:hover {
background: #1da851;
}
/* ─── Empty state (no conversation selected) ─────────────────────── */
.empty-state {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: var(--color-text-muted);
gap: var(--space-4);
}
.empty-state svg {
opacity: 0.3;
}
.empty-state__text {
font-size: var(--text-body);
text-align: center;
}
.empty-state__hint {
font-size: var(--text-caption);
color: var(--color-text-muted);
}
/* ─── Industrial theme cuts ──────────────────────────────────────── */
[data-theme="industrial"] .btn--primary {
clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}
[data-theme="industrial"] .msg-bubble--out {
clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
.conv-panel { width: 100%; min-width: 0; }
.chat-panel { display: none; }
.messenger.has-active-chat .conv-panel { display: none; }
.messenger.has-active-chat .chat-panel { display: flex; }
}
</style>
</head>
<body>
<div class="page-shell">
<!-- Sidebar injected by sidebar.js -->
<aside class="sidebar"></aside>
<div class="main-content pos-main-offset">
<!-- Top bar -->
<div class="top-bar">
<div class="top-bar__title">
<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"/>
</svg>
WhatsApp Business
</div>
<div class="top-bar__actions">
<div class="top-bar__status">
<span class="status-dot" id="statusDot"></span>
<span id="statusText">Verificando...</span>
</div>
</div>
</div>
<!-- Messenger -->
<div class="messenger" id="messenger">
<!-- Left: Conversation list -->
<div class="conv-panel">
<div class="conv-panel__header">
<span class="conv-panel__title">Conversaciones</span>
<button class="btn btn--sm btn--whatsapp" id="newChatBtn" title="Nueva conversacion">
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/>
</svg>
Nuevo
</button>
</div>
<div class="conv-panel__list" id="convList">
<div class="conv-empty">Cargando...</div>
</div>
</div>
<!-- Right: Chat view (hidden until a conversation is selected) -->
<div class="empty-state" id="emptyState">
<svg width="80" height="80" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
<path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"/>
</svg>
<div class="empty-state__text">Selecciona una conversacion<br>o inicia una nueva</div>
<div class="empty-state__hint">Los mensajes de WhatsApp aparecen aqui en tiempo real</div>
</div>
<div class="chat-panel" id="chatPanel" style="display:none">
<div class="chat-panel__header">
<span class="chat-panel__phone" id="chatHeaderPhone"></span>
<div class="chat-panel__actions">
<button class="btn btn--sm" id="sendQuoteBtn" title="Enviar cotizacion por WhatsApp">
<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/>
</svg>
Enviar Cotizacion
</button>
</div>
</div>
<div class="chat-panel__messages" id="chatMessages"></div>
<div class="chat-input-bar">
<textarea id="chatInput" placeholder="Escribe un mensaje..." rows="1"></textarea>
<button class="btn btn--primary" id="sendBtn">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<line x1="22" y1="2" x2="11" y2="13"/><polygon points="22 2 15 22 11 13 2 9 22 2"/>
</svg>
Enviar
</button>
</div>
</div>
</div>
</div>
</div>
<!-- Theme engine -->
<script>
function posSetTheme(t){document.documentElement.setAttribute('data-theme',t);localStorage.setItem('pos_theme',t);}
function posLogout(){localStorage.removeItem('pos_token');window.location.href='/pos/login';}
</script>
<!-- Sidebar -->
<script src="/pos/static/js/whatsapp.js"></script>
<script src="/pos/static/js/sidebar.js"></script>
</body>
</html>