Ekaropolus 206c4db278
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Telegram bot exception for sending messages by chat id
2025-05-20 04:00:13 -06:00

120 lines
4.8 KiB
Python

import json
import logging
from django.http import JsonResponse
from django.views.decorators.csrf import csrf_exempt
from telegram import Update, Bot
from django.utils import timezone
from .models import TelegramBot, TelegramConversation, TelegramMessage
from pxy_langchain.services import LangchainAIService
from .handlers import dream_city_command, start, help_command, handle_location
logger = logging.getLogger(__name__)
@csrf_exempt
def telegram_webhook(request, bot_name):
"""
Webhook view for Telegram that logs inbound/outbound messages,
handles commands and AI fallback, and always returns 200 OK.
"""
try:
# 1) Sólo POST
if request.method != "POST":
logger.warning("Received non-POST request to Telegram webhook.")
return JsonResponse({"status": "ok"})
# 2) Cargar configuración del bot
try:
bot_instance = TelegramBot.objects.get(name=bot_name, is_active=True)
except TelegramBot.DoesNotExist:
msg = f"Bot '{bot_name}' not found or inactive."
logger.error(msg)
return JsonResponse({"status": "ok", "error": msg})
# 3) Parsear el update
try:
payload = json.loads(request.body.decode("utf-8"))
update = Update.de_json(payload, Bot(token=bot_instance.token))
except Exception as e:
logger.error(f"Failed to parse update JSON: {e}")
return JsonResponse({"status": "ok", "error": "Invalid JSON payload"})
# 4) Loggear mensaje entrante
if update.message and update.effective_user:
user_id = str(update.effective_user.id)
conv, _ = TelegramConversation.objects.get_or_create(
bot=bot_instance,
user_id=user_id,
defaults={"started_at": timezone.now()}
)
incoming_text = update.message.text or ""
try:
TelegramMessage.objects.create(
conversation=conv,
direction=TelegramMessage.IN,
content=incoming_text
)
except Exception as log_in_err:
logger.error(f"Error logging inbound message: {log_in_err}")
else:
logger.warning("Update has no message or user info.")
# 5) Manejar comandos y fallback AI
reply = None
response_time = 0
if update.message:
text = update.message.text or ""
try:
# Comandos predefinidos
if text == "/start":
start(update)
elif text == "/help":
help_command(update)
elif text == "/dream_city":
dream_city_command(update)
elif update.message.location:
handle_location(update)
else:
# Fallback AI
try:
assistant = LangchainAIService(bot_instance.assistant)
start_ts = timezone.now()
reply = assistant.generate_response(text)
response_time = int((timezone.now() - start_ts).total_seconds() * 1000)
except Exception as ai_err:
logger.error(f"AI service error: {ai_err}")
reply = "Lo siento, el servicio de IA no está disponible."
response_time = 0
# Enviar respuesta
chat_id = update.message.chat.id
try:
Bot(token=bot_instance.token).send_message(
chat_id=chat_id,
text=reply
)
except Exception as send_err:
logger.error(f"Error sending message to Telegram (chat {chat_id}): {send_err}")
# Loggear mensaje saliente
try:
TelegramMessage.objects.create(
conversation=conv,
direction=TelegramMessage.OUT,
content=reply,
response_time_ms=response_time
)
except Exception as log_out_err:
logger.error(f"Error logging outbound message: {log_out_err}")
except Exception as cmd_err:
logger.error(f"Error processing Telegram commands: {cmd_err}")
# 6) Devolver siempre 200 OK
return JsonResponse({"status": "ok"})
except Exception as e:
logger.error(f"Unexpected error in telegram_webhook: {e}")
return JsonResponse({"status": "ok", "error": str(e)})