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)})
|
||||
|
||||
Reference in New Issue
Block a user