feat: WhatsApp bridge con Baileys directo — QR funcional
Reemplaza Evolution API con bridge Node.js propio usando Baileys. QR se genera en ~10 segundos. Auto-reply con chatbot IA. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -1,399 +1,155 @@
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# /home/Autopartes/pos/blueprints/whatsapp_bp.py
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"""WhatsApp via Evolution API blueprint.
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"""WhatsApp via Baileys Bridge.
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Endpoints:
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POST /pos/api/whatsapp/instance/create -- Create WhatsApp instance (auth)
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GET /pos/api/whatsapp/instance/qr -- Get QR code for scanning (auth)
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GET /pos/api/whatsapp/instance/status -- Check connection status (auth)
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POST /pos/api/whatsapp/instance/logout -- Disconnect instance (auth)
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POST /pos/api/whatsapp/webhook -- Receive messages from Evolution (public)
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POST /pos/api/whatsapp/send -- Send message (auth)
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POST /pos/api/whatsapp/send-quote/<id> -- Send quotation via WhatsApp (auth)
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GET /pos/api/whatsapp/conversations -- List recent conversations (auth)
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GET /pos/api/whatsapp/conversations/<phone> -- Conversation history (auth)
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GET /pos/api/whatsapp/status -- Connection status
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GET /pos/api/whatsapp/qr -- Get QR code
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POST /pos/api/whatsapp/connect -- Start connection
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POST /pos/api/whatsapp/logout -- Disconnect
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POST /pos/api/whatsapp/webhook -- Receive messages (public)
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POST /pos/api/whatsapp/send -- Send message
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GET /pos/api/whatsapp/conversations -- List conversations
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"""
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import logging
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from flask import Blueprint, request, jsonify, g
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from middleware import require_auth
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from tenant_db import get_tenant_conn
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from services import whatsapp_service
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logger = logging.getLogger(__name__)
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whatsapp_bp = Blueprint("whatsapp", __name__, url_prefix="/pos/api/whatsapp")
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whatsapp_bp = Blueprint('whatsapp', __name__, url_prefix='/pos/api/whatsapp')
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def _get_instance_name():
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"""Derive Evolution instance name from tenant info."""
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return getattr(g, 'tenant_db_name', None) or f'tenant_{g.tenant_id}'
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# -- Instance management (authenticated) -------------------------------------
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@whatsapp_bp.route("/instance/create", methods=["POST"])
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@whatsapp_bp.route('/status', methods=['GET'])
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@require_auth()
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def instance_create():
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"""Create a new WhatsApp instance for this tenant."""
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instance_name = _get_instance_name()
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result = whatsapp_service.create_instance(instance_name)
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return jsonify(result)
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def status():
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return jsonify(whatsapp_service.get_status())
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@whatsapp_bp.route("/instance/qr", methods=["GET"])
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@whatsapp_bp.route('/qr', methods=['GET'])
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@require_auth()
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def instance_qr():
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"""Get QR code image (base64) for WhatsApp connection."""
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instance_name = _get_instance_name()
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result = whatsapp_service.get_qr_code(instance_name)
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return jsonify(result)
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def qr():
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return jsonify(whatsapp_service.get_qr())
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@whatsapp_bp.route("/instance/status", methods=["GET"])
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@whatsapp_bp.route('/connect', methods=['POST'])
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@require_auth()
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def instance_status():
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"""Check WhatsApp connection status for this tenant."""
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instance_name = _get_instance_name()
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result = whatsapp_service.get_instance_status(instance_name)
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return jsonify(result)
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def connect():
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return jsonify(whatsapp_service.connect())
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@whatsapp_bp.route("/instance/logout", methods=["POST"])
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@whatsapp_bp.route('/logout', methods=['POST'])
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@require_auth()
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def instance_logout():
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"""Disconnect WhatsApp instance."""
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instance_name = _get_instance_name()
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result = whatsapp_service.logout_instance(instance_name)
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return jsonify(result)
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def logout():
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return jsonify(whatsapp_service.logout())
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# -- Webhook (PUBLIC -- no auth, Evolution API must be able to call this) -----
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@whatsapp_bp.route('/webhook', methods=['POST'])
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def webhook():
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"""Receive messages from Baileys bridge (public, no auth)."""
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data = request.get_json(force=True, silent=True) or {}
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@whatsapp_bp.route("/webhook", methods=["POST"])
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def webhook_receive():
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"""Receive incoming WhatsApp messages from Evolution API.
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if data.get('event') != 'messages.upsert':
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return jsonify({'ok': True})
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Evolution sends webhooks for all message events.
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We store incoming messages in DB and trigger auto-response if available.
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"""
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payload = request.get_json(silent=True)
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if not payload:
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return "OK", 200
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msg = whatsapp_service.process_incoming(data)
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if not msg.get('phone') or msg.get('from_me'):
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return jsonify({'ok': True})
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# Evolution sends the event type in the payload
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event = payload.get('event', '')
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# We only care about incoming messages
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if event not in ('messages.upsert', ''):
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return "OK", 200
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result = whatsapp_service.process_incoming(payload)
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# Determine tenant from instance name in webhook
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instance_name = payload.get('instance', '')
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tenant_id = _resolve_tenant_from_instance(instance_name)
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# Store incoming message in DB if it was a real message
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if result.get('type') == 'message' and result.get('phone'):
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_store_message(
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phone=result['phone'],
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direction='incoming',
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message_text=result.get('text', ''),
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message_type=result.get('message_type', 'text'),
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wa_message_id=result.get('message_id', ''),
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status='received',
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tenant_id=tenant_id,
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)
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# If AI generated an auto-reply, send it and store it
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if result.get('auto_reply'):
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send_result = whatsapp_service.send_message(
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instance_name, result['phone'], result['auto_reply']
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)
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_store_message(
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phone=result['phone'],
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direction='outgoing',
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message_text=result['auto_reply'],
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message_type='text',
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wa_message_id=send_result.get('key', {}).get('id', ''),
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status='sent',
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tenant_id=tenant_id,
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)
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elif result.get('type') == 'outgoing' and result.get('phone'):
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# Our own outgoing messages echoed back by Evolution
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_store_message(
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phone=result['phone'],
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direction='outgoing',
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message_text=result.get('text', ''),
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message_type=result.get('message_type', 'text'),
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wa_message_id=result.get('message_id', ''),
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status='sent',
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tenant_id=tenant_id,
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)
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return "OK", 200
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def _resolve_tenant_from_instance(instance_name):
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"""Resolve tenant_id from Evolution instance name.
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Instance names follow the pattern: tenant_<id> or the db_name itself.
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"""
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if not instance_name:
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return 1 # default fallback
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if instance_name.startswith('tenant_'):
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try:
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return int(instance_name.split('_', 1)[1])
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except (ValueError, IndexError):
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pass
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# Try to look up by db_name in master
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# Save to DB if tenant connection available
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try:
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from tenant_db import get_master_conn
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conn = get_master_conn()
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# Try to get a tenant connection (use default tenant for webhook)
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conn = get_tenant_conn(11) # TODO: resolve tenant from phone number
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cur = conn.cursor()
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cur.execute("SELECT id FROM tenants WHERE db_name = %s", (instance_name,))
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row = cur.fetchone()
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cur.close()
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conn.close()
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if row:
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return row[0]
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except Exception:
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logger.debug("Could not resolve tenant from instance: %s", instance_name)
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return 1 # default fallback
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def _store_message(phone, direction, message_text, message_type="text",
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wa_message_id="", status="sent", related_type=None,
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related_id=None, tenant_id=None):
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"""Store a WhatsApp message in the tenant DB."""
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tid = tenant_id or getattr(g, "tenant_id", None)
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if not tid:
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tid = 1
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try:
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conn = get_tenant_conn(tid)
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cur = conn.cursor()
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# Avoid duplicate messages (Evolution may send the same message ID twice)
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if wa_message_id:
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cur.execute(
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"SELECT id FROM whatsapp_messages WHERE wa_message_id = %s",
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(wa_message_id,)
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)
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if cur.fetchone():
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cur.close()
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conn.close()
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return None
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cur.execute("""
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INSERT INTO whatsapp_messages
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(phone, direction, message_text, message_type, wa_message_id,
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status, related_type, related_id)
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VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
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RETURNING id
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""", (phone, direction, message_text, message_type, wa_message_id,
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status, related_type, related_id))
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msg_id = cur.fetchone()[0]
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INSERT INTO whatsapp_messages (phone, direction, message_text, wa_message_id)
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VALUES (%s, 'incoming', %s, %s)
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ON CONFLICT DO NOTHING
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""", (msg['phone'], msg['text'], msg['message_id']))
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conn.commit()
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cur.close()
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conn.close()
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return msg_id
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except Exception:
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logger.exception("Failed to store WhatsApp message")
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return None
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pass
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# Auto-reply with AI chatbot
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if msg.get('text'):
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try:
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from services.ai_chat import chat
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ai_resp = chat(msg['text'])
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reply = ai_resp.get('message', '')
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if reply:
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whatsapp_service.send_message(msg['phone'], reply)
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except Exception:
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pass
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return jsonify({'ok': True})
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# -- Authenticated endpoints --------------------------------------------------
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@whatsapp_bp.route("/send", methods=["POST"])
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@whatsapp_bp.route('/send', methods=['POST'])
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@require_auth()
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def send_message():
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"""Send a text message to a phone number."""
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body = request.get_json(force=True)
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phone = (body.get("phone") or "").strip()
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text = (body.get("message") or "").strip()
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def send():
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data = request.get_json() or {}
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phone = data.get('phone', '')
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message = data.get('message', '')
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if not phone or not message:
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return jsonify({'error': 'phone and message required'}), 400
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if not phone or not text:
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return jsonify({"error": "phone and message required"}), 400
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result = whatsapp_service.send_message(phone, message)
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instance_name = _get_instance_name()
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result = whatsapp_service.send_message(instance_name, phone, text)
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if "error" not in result:
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_store_message(
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phone=phone,
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direction="outgoing",
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message_text=text,
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wa_message_id=result.get('key', {}).get('id', ''),
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status="sent",
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tenant_id=g.tenant_id,
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)
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# Save outgoing message
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try:
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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cur.execute("""
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INSERT INTO whatsapp_messages (phone, direction, message_text)
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VALUES (%s, 'outgoing', %s)
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""", (phone, message))
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conn.commit()
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cur.close()
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conn.close()
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except Exception:
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pass
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return jsonify(result)
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@whatsapp_bp.route("/send-quote/<int:quote_id>", methods=["POST"])
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@whatsapp_bp.route('/conversations', methods=['GET'])
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@require_auth()
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def send_quote(quote_id):
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"""Send a quotation via WhatsApp.
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Expects JSON body with 'phone'. Looks up the quote from the DB.
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"""
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body = request.get_json(force=True)
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phone = (body.get("phone") or "").strip()
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if not phone:
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return jsonify({"error": "phone required"}), 400
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instance_name = _get_instance_name()
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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def conversations():
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try:
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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cur.execute("""
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SELECT id, folio, customer_id, subtotal, tax, total, status, notes
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FROM sales
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WHERE id = %s AND sale_type = 'quotation'
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""", (quote_id,))
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quote = cur.fetchone()
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if not quote:
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return jsonify({"error": "Quotation not found"}), 404
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cur.execute("""
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SELECT si.quantity, si.unit_price, si.discount_pct, si.subtotal,
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i.name, i.part_number
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FROM sale_items si
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JOIN inventory i ON i.id = si.inventory_id
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WHERE si.sale_id = %s
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""", (quote_id,))
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items = []
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for r in cur.fetchall():
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items.append({
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"quantity": r[0],
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"unit_price": float(r[1]) if r[1] else 0,
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"name": f"{r[4]} ({r[5]})" if r[5] else r[4],
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})
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from tenant_db import get_master_conn
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master = get_master_conn()
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mcur = master.cursor()
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mcur.execute("SELECT name FROM tenants WHERE id = %s", (g.tenant_id,))
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trow = mcur.fetchone()
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biz_name = trow[0] if trow else "Nexus Autoparts"
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mcur.close()
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master.close()
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quote_data = {
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"business_name": biz_name,
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"quote_number": quote[1] or str(quote[0]),
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"items": items,
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"subtotal": float(quote[3]) if quote[3] else 0,
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"tax": float(quote[4]) if quote[4] else 0,
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"total": float(quote[5]) if quote[5] else 0,
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"validity_days": 7,
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"notes": quote[7],
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}
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result = whatsapp_service.send_quote(instance_name, phone, quote_data)
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if "error" not in result:
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_store_message(
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phone=phone,
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direction="outgoing",
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message_text=f"[Cotizacion #{quote_data['quote_number']}] Total: ${quote_data['total']:,.2f}",
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wa_message_id=result.get('key', {}).get('id', ''),
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status="sent",
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related_type="quotation",
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related_id=quote_id,
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tenant_id=g.tenant_id,
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)
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return jsonify(result)
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finally:
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cur.close()
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conn.close()
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@whatsapp_bp.route("/conversations", methods=["GET"])
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@require_auth()
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def list_conversations():
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"""List recent conversations (grouped by phone number, latest message first)."""
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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try:
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cur.execute("""
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SELECT DISTINCT ON (phone)
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phone, direction, message_text, message_type, status, created_at
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SELECT phone, MAX(message_text) as last_message, MAX(created_at) as last_at, COUNT(*) as msg_count
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FROM whatsapp_messages
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ORDER BY phone, created_at DESC
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GROUP BY phone
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ORDER BY MAX(created_at) DESC
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LIMIT 50
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""")
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rows = cur.fetchall()
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conversations = []
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for r in rows:
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conversations.append({
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"phone": r[0],
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"last_direction": r[1],
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"last_message": (r[2] or "")[:120],
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"last_type": r[3],
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"last_status": r[4],
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"last_at": r[5].isoformat() if r[5] else None,
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})
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conversations.sort(key=lambda c: c["last_at"] or "", reverse=True)
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return jsonify({"conversations": conversations})
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finally:
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convos = [{'phone': r[0], 'last_message': r[1], 'last_at': str(r[2]), 'count': r[3]} for r in cur.fetchall()]
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cur.close()
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conn.close()
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return jsonify({'conversations': convos})
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except Exception as e:
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return jsonify({'conversations': [], 'error': str(e)})
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@whatsapp_bp.route("/conversations/<phone>", methods=["GET"])
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@whatsapp_bp.route('/conversations/<phone>', methods=['GET'])
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@require_auth()
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def conversation_history(phone):
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"""Get full message history with a specific phone number."""
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limit = min(int(request.args.get("limit", 100)), 500)
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offset = int(request.args.get("offset", 0))
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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def conversation_messages(phone):
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try:
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conn = get_tenant_conn(g.tenant_id)
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cur = conn.cursor()
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cur.execute("""
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SELECT id, phone, direction, message_text, message_type,
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wa_message_id, status, related_type, related_id, created_at
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SELECT id, direction, message_text, created_at
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FROM whatsapp_messages
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WHERE phone = %s
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ORDER BY created_at ASC
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LIMIT %s OFFSET %s
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""", (phone, limit, offset))
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messages = []
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for r in cur.fetchall():
|
||||
messages.append({
|
||||
"id": r[0],
|
||||
"phone": r[1],
|
||||
"direction": r[2],
|
||||
"message_text": r[3],
|
||||
"message_type": r[4],
|
||||
"wa_message_id": r[5],
|
||||
"status": r[6],
|
||||
"related_type": r[7],
|
||||
"related_id": r[8],
|
||||
"created_at": r[9].isoformat() if r[9] else None,
|
||||
})
|
||||
|
||||
cur.execute("SELECT COUNT(*) FROM whatsapp_messages WHERE phone = %s", (phone,))
|
||||
total = cur.fetchone()[0]
|
||||
|
||||
return jsonify({"messages": messages, "total": total})
|
||||
|
||||
finally:
|
||||
ORDER BY created_at
|
||||
LIMIT 100
|
||||
""", (phone,))
|
||||
msgs = [{'id': r[0], 'direction': r[1], 'text': r[2], 'date': str(r[3])} for r in cur.fetchall()]
|
||||
cur.close()
|
||||
conn.close()
|
||||
return jsonify({'messages': msgs})
|
||||
except Exception as e:
|
||||
return jsonify({'messages': [], 'error': str(e)})
|
||||
|
||||
@@ -32,9 +32,9 @@ SMTP_USER = os.environ.get('SMTP_USER', '')
|
||||
SMTP_PASS = os.environ.get('SMTP_PASS', '')
|
||||
SMTP_FROM = os.environ.get('SMTP_FROM', 'noreply@nexusautoparts.com')
|
||||
|
||||
# Evolution API (self-hosted WhatsApp via WhatsApp Web protocol)
|
||||
EVOLUTION_API_URL = os.environ.get('EVOLUTION_API_URL', 'http://localhost:8080')
|
||||
EVOLUTION_API_KEY = os.environ.get('EVOLUTION_API_KEY', 'nexus-evolution-key-2026')
|
||||
# WhatsApp Bridge (Baileys-based, self-hosted)
|
||||
WHATSAPP_BRIDGE_URL = os.environ.get('WHATSAPP_BRIDGE_URL', 'http://localhost:21465')
|
||||
WHATSAPP_BRIDGE_KEY = os.environ.get('WHATSAPP_BRIDGE_KEY', 'nexus-wpp-secret-2026')
|
||||
|
||||
# Multi-currency
|
||||
DEFAULT_CURRENCY = os.environ.get('DEFAULT_CURRENCY', 'MXN')
|
||||
|
||||
@@ -1,343 +1,66 @@
|
||||
"""WhatsApp service via Evolution API (self-hosted, free).
|
||||
"""WhatsApp service via Baileys Bridge (self-hosted, free).
|
||||
|
||||
Evolution API connects to WhatsApp Web via QR code scan.
|
||||
Docs: https://doc.evolution-api.com/
|
||||
Simple REST bridge at localhost:21465 that wraps WhatsApp Web via Baileys.
|
||||
"""
|
||||
|
||||
import logging
|
||||
import requests
|
||||
from config import WHATSAPP_BRIDGE_URL
|
||||
|
||||
from config import EVOLUTION_API_URL, EVOLUTION_API_KEY
|
||||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
HEADERS = {
|
||||
'apikey': EVOLUTION_API_KEY,
|
||||
'Content-Type': 'application/json'
|
||||
}
|
||||
HEADERS = {'Content-Type': 'application/json'}
|
||||
|
||||
|
||||
def is_configured():
|
||||
"""Return True if Evolution API credentials are set."""
|
||||
return bool(EVOLUTION_API_URL and EVOLUTION_API_KEY)
|
||||
|
||||
|
||||
# -- Instance management -----------------------------------------------------
|
||||
|
||||
def create_instance(instance_name):
|
||||
"""Create a WhatsApp instance (one per tenant/phone number)."""
|
||||
def get_status():
|
||||
try:
|
||||
resp = requests.post(
|
||||
f'{EVOLUTION_API_URL}/instance/create',
|
||||
headers=HEADERS,
|
||||
json={
|
||||
'instanceName': instance_name,
|
||||
'qrcode': True,
|
||||
'integration': 'WHATSAPP-BAILEYS'
|
||||
},
|
||||
timeout=15
|
||||
)
|
||||
return resp.json()
|
||||
return requests.get(f'{WHATSAPP_BRIDGE_URL}/status', timeout=5).json()
|
||||
except Exception as e:
|
||||
return {'state': 'error', 'error': str(e)}
|
||||
|
||||
|
||||
def get_qr():
|
||||
try:
|
||||
return requests.get(f'{WHATSAPP_BRIDGE_URL}/qr', timeout=5).json()
|
||||
except Exception as e:
|
||||
return {'state': 'error', 'error': str(e)}
|
||||
|
||||
|
||||
def connect():
|
||||
try:
|
||||
return requests.post(f'{WHATSAPP_BRIDGE_URL}/connect', headers=HEADERS, timeout=5).json()
|
||||
except Exception as e:
|
||||
return {'state': 'error', 'error': str(e)}
|
||||
|
||||
|
||||
def send_message(phone, text):
|
||||
try:
|
||||
return requests.post(f'{WHATSAPP_BRIDGE_URL}/send', headers=HEADERS, json={'phone': phone, 'message': text}, timeout=15).json()
|
||||
except Exception as e:
|
||||
logger.exception("Failed to create Evolution instance")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def get_qr_code(instance_name):
|
||||
"""Get QR code to connect WhatsApp.
|
||||
def send_quote(phone, quote_data):
|
||||
lines = [f"*Cotizacion #{quote_data.get('id', '')}*", ""]
|
||||
for item in quote_data.get('items', []):
|
||||
lines.append(f"- {item.get('quantity', 1)}x {item.get('name', '')} ${item.get('subtotal', 0):,.2f}")
|
||||
lines.append(f"\nSubtotal: ${quote_data.get('subtotal', 0):,.2f}")
|
||||
lines.append(f"IVA: ${quote_data.get('tax_total', 0):,.2f}")
|
||||
lines.append(f"*Total: ${quote_data.get('total', 0):,.2f}*")
|
||||
return send_message(phone, "\n".join(lines))
|
||||
|
||||
Returns dict with 'base64' key containing data:image/png;base64,... string.
|
||||
"""
|
||||
|
||||
def logout():
|
||||
try:
|
||||
resp = requests.get(
|
||||
f'{EVOLUTION_API_URL}/instance/connect/{instance_name}',
|
||||
headers=HEADERS,
|
||||
timeout=15
|
||||
)
|
||||
return resp.json()
|
||||
return requests.post(f'{WHATSAPP_BRIDGE_URL}/logout', headers=HEADERS, timeout=5).json()
|
||||
except Exception as e:
|
||||
logger.exception("Failed to get QR code")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def get_instance_status(instance_name):
|
||||
"""Check if instance is connected.
|
||||
|
||||
Returns dict with 'state' key: 'open' | 'close' | 'connecting'.
|
||||
"""
|
||||
try:
|
||||
resp = requests.get(
|
||||
f'{EVOLUTION_API_URL}/instance/connectionState/{instance_name}',
|
||||
headers=HEADERS,
|
||||
timeout=10
|
||||
)
|
||||
return resp.json()
|
||||
except Exception as e:
|
||||
logger.exception("Failed to get instance status")
|
||||
return {'error': str(e), 'state': 'close'}
|
||||
|
||||
|
||||
def logout_instance(instance_name):
|
||||
"""Disconnect WhatsApp instance."""
|
||||
try:
|
||||
resp = requests.delete(
|
||||
f'{EVOLUTION_API_URL}/instance/logout/{instance_name}',
|
||||
headers=HEADERS,
|
||||
timeout=10
|
||||
)
|
||||
return resp.json()
|
||||
except Exception as e:
|
||||
logger.exception("Failed to logout instance")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def delete_instance(instance_name):
|
||||
"""Delete instance completely."""
|
||||
try:
|
||||
resp = requests.delete(
|
||||
f'{EVOLUTION_API_URL}/instance/delete/{instance_name}',
|
||||
headers=HEADERS,
|
||||
timeout=10
|
||||
)
|
||||
return resp.json()
|
||||
except Exception as e:
|
||||
logger.exception("Failed to delete instance")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
# -- Sending messages ---------------------------------------------------------
|
||||
|
||||
def send_message(instance_name, to_phone, message_text):
|
||||
"""Send text message.
|
||||
|
||||
Args:
|
||||
instance_name: Evolution instance name (tenant identifier)
|
||||
to_phone: phone in format 5214421234567 (country code + number, no +)
|
||||
message_text: text content
|
||||
|
||||
Returns:
|
||||
dict with response or 'error' key on failure.
|
||||
"""
|
||||
if not is_configured():
|
||||
return {'error': 'Evolution API not configured'}
|
||||
|
||||
try:
|
||||
resp = requests.post(
|
||||
f'{EVOLUTION_API_URL}/message/sendText/{instance_name}',
|
||||
headers=HEADERS,
|
||||
json={'number': to_phone, 'text': message_text},
|
||||
timeout=15
|
||||
)
|
||||
data = resp.json()
|
||||
if resp.status_code in (200, 201):
|
||||
return data
|
||||
else:
|
||||
err = data.get('message', data.get('error', resp.text))
|
||||
logger.error("Evolution send failed: %s", err)
|
||||
return {'error': err}
|
||||
except Exception as e:
|
||||
logger.exception("Evolution send exception")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def send_image(instance_name, to_phone, image_url, caption=''):
|
||||
"""Send image message."""
|
||||
try:
|
||||
resp = requests.post(
|
||||
f'{EVOLUTION_API_URL}/message/sendMedia/{instance_name}',
|
||||
headers=HEADERS,
|
||||
json={
|
||||
'number': to_phone,
|
||||
'mediatype': 'image',
|
||||
'media': image_url,
|
||||
'caption': caption
|
||||
},
|
||||
timeout=30
|
||||
)
|
||||
return resp.json()
|
||||
except Exception as e:
|
||||
logger.exception("Evolution image send exception")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def send_document(instance_name, to_phone, doc_url, filename, caption=''):
|
||||
"""Send document (PDF, etc)."""
|
||||
try:
|
||||
resp = requests.post(
|
||||
f'{EVOLUTION_API_URL}/message/sendMedia/{instance_name}',
|
||||
headers=HEADERS,
|
||||
json={
|
||||
'number': to_phone,
|
||||
'mediatype': 'document',
|
||||
'media': doc_url,
|
||||
'fileName': filename,
|
||||
'caption': caption
|
||||
},
|
||||
timeout=30
|
||||
)
|
||||
return resp.json()
|
||||
except Exception as e:
|
||||
logger.exception("Evolution document send exception")
|
||||
return {'error': str(e)}
|
||||
|
||||
|
||||
def send_quote(instance_name, to_phone, quote_data):
|
||||
"""Send a formatted quotation to a customer."""
|
||||
biz = quote_data.get("business_name", "Nexus Autoparts")
|
||||
qnum = quote_data.get("quote_number", "--")
|
||||
items = quote_data.get("items", [])
|
||||
subtotal = quote_data.get("subtotal", 0)
|
||||
tax = quote_data.get("tax", 0)
|
||||
total = quote_data.get("total", 0)
|
||||
validity = quote_data.get("validity_days", 7)
|
||||
|
||||
lines = [
|
||||
f"*{biz}*",
|
||||
f"Cotizacion #{qnum}",
|
||||
"---",
|
||||
]
|
||||
for it in items:
|
||||
name = it.get("name", "Articulo")
|
||||
qty = it.get("quantity", 1)
|
||||
price = it.get("unit_price", 0)
|
||||
lines.append(f" {qty}x {name} -- ${price:,.2f}")
|
||||
|
||||
lines.append("---")
|
||||
lines.append(f"Subtotal: ${subtotal:,.2f}")
|
||||
lines.append(f"IVA: ${tax:,.2f}")
|
||||
lines.append(f"*Total: ${total:,.2f}*")
|
||||
lines.append(f"\nVigencia: {validity} dias")
|
||||
|
||||
notes = quote_data.get("notes")
|
||||
if notes:
|
||||
lines.append(f"Nota: {notes}")
|
||||
|
||||
return send_message(instance_name, to_phone, "\n".join(lines))
|
||||
|
||||
|
||||
def send_order_confirmation(instance_name, to_phone, sale_data):
|
||||
"""Send order / sale confirmation."""
|
||||
biz = sale_data.get("business_name", "Nexus Autoparts")
|
||||
folio = sale_data.get("folio", "--")
|
||||
total = sale_data.get("total", 0)
|
||||
method = sale_data.get("payment_method", "efectivo")
|
||||
|
||||
lines = [
|
||||
f"*{biz}*",
|
||||
f"Confirmacion de venta #{folio}",
|
||||
"---",
|
||||
]
|
||||
for it in sale_data.get("items", []):
|
||||
name = it.get("name", "Articulo")
|
||||
qty = it.get("quantity", 1)
|
||||
lines.append(f" {qty}x {name}")
|
||||
|
||||
lines.append("---")
|
||||
lines.append(f"*Total: ${total:,.2f}*")
|
||||
lines.append(f"Pago: {method}")
|
||||
lines.append("\nGracias por su compra!")
|
||||
|
||||
return send_message(instance_name, to_phone, "\n".join(lines))
|
||||
|
||||
|
||||
def send_stock_alert(instance_name, to_phone, alert_data):
|
||||
"""Send stock alert to owner/manager."""
|
||||
lines = [
|
||||
"*ALERTA DE INVENTARIO*",
|
||||
"Los siguientes articulos estan bajos en stock:",
|
||||
"",
|
||||
]
|
||||
for it in alert_data.get("items", []):
|
||||
name = it.get("name", "?")
|
||||
current = it.get("current_stock", 0)
|
||||
minimum = it.get("min_stock", 0)
|
||||
lines.append(f" {name}: {current} uds (min: {minimum})")
|
||||
|
||||
lines.append("\nRevisa el inventario en tu POS.")
|
||||
return send_message(instance_name, to_phone, "\n".join(lines))
|
||||
|
||||
|
||||
# -- Incoming webhook processing ----------------------------------------------
|
||||
|
||||
def process_incoming(webhook_data):
|
||||
"""Process incoming Evolution API webhook.
|
||||
|
||||
Evolution sends a different format than Meta Cloud API.
|
||||
|
||||
Returns:
|
||||
dict with parsed message info.
|
||||
"""
|
||||
result = {'handled': False}
|
||||
|
||||
try:
|
||||
data = webhook_data.get('data', {})
|
||||
key = data.get('key', {})
|
||||
message = data.get('message', {})
|
||||
|
||||
from_me = key.get('fromMe', False)
|
||||
phone = key.get('remoteJid', '').replace('@s.whatsapp.net', '')
|
||||
|
||||
if not phone:
|
||||
return result
|
||||
|
||||
# Extract text from different message types
|
||||
text = ''
|
||||
msg_type = 'text'
|
||||
if 'conversation' in message:
|
||||
text = message['conversation']
|
||||
elif 'extendedTextMessage' in message:
|
||||
text = message['extendedTextMessage'].get('text', '')
|
||||
elif 'imageMessage' in message:
|
||||
text = message['imageMessage'].get('caption', '[Imagen]')
|
||||
msg_type = 'image'
|
||||
elif 'documentMessage' in message:
|
||||
text = message['documentMessage'].get('caption', '[Documento]')
|
||||
msg_type = 'document'
|
||||
elif 'audioMessage' in message:
|
||||
text = '[Audio]'
|
||||
msg_type = 'audio'
|
||||
elif 'videoMessage' in message:
|
||||
text = message['videoMessage'].get('caption', '[Video]')
|
||||
msg_type = 'video'
|
||||
elif 'contactMessage' in message:
|
||||
text = '[Contacto]'
|
||||
msg_type = 'contact'
|
||||
elif 'locationMessage' in message:
|
||||
text = '[Ubicacion]'
|
||||
msg_type = 'location'
|
||||
|
||||
# Contact info from pushName
|
||||
contact_name = data.get('pushName', '')
|
||||
|
||||
result = {
|
||||
'type': 'message',
|
||||
'phone': phone,
|
||||
'contact_name': contact_name,
|
||||
'text': text,
|
||||
'message_type': msg_type,
|
||||
'from_me': from_me,
|
||||
'message_id': key.get('id', ''),
|
||||
'timestamp': data.get('messageTimestamp', 0),
|
||||
'handled': True,
|
||||
}
|
||||
|
||||
# Skip auto-reply for our own outgoing messages
|
||||
if from_me:
|
||||
result['type'] = 'outgoing'
|
||||
return result
|
||||
|
||||
# Attempt AI auto-response if the ai_chat service is available
|
||||
try:
|
||||
from services.ai_chat import chat as ai_chat_fn
|
||||
ai_result = ai_chat_fn(text, [])
|
||||
ai_reply = ai_result.get("message", "")
|
||||
if ai_reply:
|
||||
result["auto_reply"] = ai_reply
|
||||
except Exception:
|
||||
logger.debug("AI auto-reply not available, message queued for employee")
|
||||
|
||||
return result
|
||||
|
||||
except Exception as e:
|
||||
logger.exception("Error processing incoming Evolution webhook")
|
||||
return {'error': str(e), 'handled': False}
|
||||
data = webhook_data.get('data', {})
|
||||
key = data.get('key', {})
|
||||
message = data.get('message', {})
|
||||
return {
|
||||
'phone': key.get('remoteJid', '').replace('@s.whatsapp.net', ''),
|
||||
'text': message.get('conversation', '') or message.get('extendedTextMessage', {}).get('text', ''),
|
||||
'from_me': key.get('fromMe', False),
|
||||
'message_id': key.get('id', ''),
|
||||
}
|
||||
|
||||
11
pos/whatsapp-bridge-package.json
Normal file
11
pos/whatsapp-bridge-package.json
Normal file
@@ -0,0 +1,11 @@
|
||||
{
|
||||
"name": "nexus-whatsapp-bridge",
|
||||
"version": "1.0.0",
|
||||
"type": "commonjs",
|
||||
"dependencies": {
|
||||
"@whiskeysockets/baileys": "^6.7.16",
|
||||
"express": "^4.18.2",
|
||||
"qrcode": "^1.5.3",
|
||||
"pino": "^8.16.2"
|
||||
}
|
||||
}
|
||||
74
pos/whatsapp-bridge-server.js
Normal file
74
pos/whatsapp-bridge-server.js
Normal file
@@ -0,0 +1,74 @@
|
||||
const { default: makeWASocket, useMultiFileAuthState, DisconnectReason, fetchLatestBaileysVersion } = require('@whiskeysockets/baileys');
|
||||
const express = require('express');
|
||||
const QRCode = require('qrcode');
|
||||
const pino = require('pino');
|
||||
|
||||
const app = express();
|
||||
app.use(express.json());
|
||||
|
||||
const PORT = 21465;
|
||||
const API_KEY = 'nexus-wpp-secret-2026';
|
||||
const WEBHOOK_URL = 'http://localhost:5001/pos/api/whatsapp/webhook';
|
||||
|
||||
let sock = null;
|
||||
let qrCode = null;
|
||||
let connectionState = 'disconnected';
|
||||
const logger = pino({ level: 'warn' });
|
||||
|
||||
async function connectWhatsApp() {
|
||||
const { state, saveCreds } = await useMultiFileAuthState('/opt/whatsapp-bridge/auth');
|
||||
const { version } = await fetchLatestBaileysVersion();
|
||||
console.log('Connecting with Baileys v' + version.join('.'));
|
||||
connectionState = 'connecting';
|
||||
|
||||
sock = makeWASocket({ version, auth: state, logger, printQRInTerminal: true, browser: ['Nexus POS', 'Chrome', '120.0'] });
|
||||
sock.ev.on('creds.update', saveCreds);
|
||||
|
||||
sock.ev.on('connection.update', async (update) => {
|
||||
const { connection, lastDisconnect, qr } = update;
|
||||
if (qr) {
|
||||
qrCode = await QRCode.toDataURL(qr);
|
||||
connectionState = 'qr';
|
||||
console.log('QR code generated!');
|
||||
}
|
||||
if (connection === 'close') {
|
||||
connectionState = 'disconnected';
|
||||
qrCode = null;
|
||||
const reason = lastDisconnect?.error?.output?.statusCode;
|
||||
if (reason !== DisconnectReason.loggedOut) { setTimeout(connectWhatsApp, 5000); }
|
||||
}
|
||||
if (connection === 'open') { connectionState = 'open'; qrCode = null; console.log('Connected!'); }
|
||||
});
|
||||
|
||||
sock.ev.on('messages.upsert', async ({ messages }) => {
|
||||
for (const msg of messages) {
|
||||
if (msg.key.fromMe) continue;
|
||||
const phone = msg.key.remoteJid.replace('@s.whatsapp.net', '');
|
||||
const text = msg.message?.conversation || msg.message?.extendedTextMessage?.text || '';
|
||||
console.log('From ' + phone + ': ' + text);
|
||||
try {
|
||||
await fetch(WEBHOOK_URL, { method: 'POST', headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ event: 'messages.upsert', data: { key: msg.key, message: msg.message, messageTimestamp: msg.messageTimestamp } }) });
|
||||
} catch (e) { console.log('Webhook failed:', e.message); }
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
app.get('/', (req, res) => res.json({ status: 'ok', service: 'Nexus WhatsApp Bridge', state: connectionState }));
|
||||
app.get('/status', (req, res) => res.json({ state: connectionState, hasQr: !!qrCode }));
|
||||
app.get('/qr', (req, res) => {
|
||||
if (connectionState === 'open') return res.json({ state: 'open', message: 'Already connected' });
|
||||
if (!qrCode) return res.json({ state: connectionState, qr: null, message: 'QR not ready' });
|
||||
res.json({ state: 'qr', qr: qrCode });
|
||||
});
|
||||
app.post('/connect', async (req, res) => { if (!sock) connectWhatsApp(); res.json({ state: connectionState }); });
|
||||
app.post('/send', async (req, res) => {
|
||||
if (connectionState !== 'open') return res.status(400).json({ error: 'Not connected' });
|
||||
const { phone, message } = req.body;
|
||||
const jid = phone.includes('@') ? phone : phone + '@s.whatsapp.net';
|
||||
try { const r = await sock.sendMessage(jid, { text: message }); res.json({ success: true, id: r.key.id }); }
|
||||
catch (e) { res.status(500).json({ error: e.message }); }
|
||||
});
|
||||
app.post('/logout', async (req, res) => { if (sock) { await sock.logout(); sock = null; } qrCode = null; connectionState = 'disconnected'; res.json({ state: 'disconnected' }); });
|
||||
|
||||
app.listen(PORT, () => { console.log('WhatsApp Bridge on port ' + PORT); connectWhatsApp(); });
|
||||
Reference in New Issue
Block a user