70 lines
3.1 KiB
Python
70 lines
3.1 KiB
Python
import json
|
|
from telegram import Update, Bot
|
|
from django.http import JsonResponse
|
|
from django.views.decorators.csrf import csrf_exempt
|
|
from asgiref.sync import sync_to_async
|
|
from .models import TelegramBot
|
|
from pxy_langchain.services import LangchainAIService
|
|
from .handlers import dream_city_command, start, help_command, handle_location
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
@csrf_exempt
|
|
async def telegram_webhook(request, bot_name):
|
|
"""
|
|
Webhook view that handles Telegram updates asynchronously and only uses LangChain.
|
|
"""
|
|
try:
|
|
logger.info(f"Webhook called for bot: {bot_name}")
|
|
|
|
# Step 1: Fetch the bot instance asynchronously
|
|
try:
|
|
bot_instance = await sync_to_async(TelegramBot.objects.get)(name=bot_name, is_active=True)
|
|
logger.info(f"Loaded bot configuration: {bot_instance}")
|
|
except TelegramBot.DoesNotExist:
|
|
logger.error(f"Bot '{bot_name}' not found or inactive.")
|
|
return JsonResponse({"error": f"Bot '{bot_name}' not found."}, status=400)
|
|
|
|
# Step 2: Ensure the bot has a LangChain assistant
|
|
if not bot_instance.assistant:
|
|
logger.error(f"No assistant configured for bot '{bot_name}'.")
|
|
return JsonResponse({"error": "Assistant not configured."}, status=400)
|
|
|
|
# Step 3: Process POST request from Telegram
|
|
if request.method == "POST":
|
|
try:
|
|
request_body = json.loads(request.body.decode("utf-8"))
|
|
update = Update.de_json(request_body, Bot(token=bot_instance.token))
|
|
logger.info(f"Update received: {update}")
|
|
except json.JSONDecodeError as e:
|
|
logger.error(f"Failed to decode JSON: {e}")
|
|
return JsonResponse({"error": "Invalid JSON payload"}, status=400)
|
|
|
|
# Step 4: Route commands to the appropriate handlers
|
|
if update.message:
|
|
if update.message.text == "/start":
|
|
await start(update)
|
|
elif update.message.text == "/help":
|
|
await help_command(update)
|
|
elif update.message.text == "/dream_city":
|
|
await dream_city_command(update)
|
|
elif update.message.location:
|
|
await handle_location(update)
|
|
else:
|
|
# Step 5: Process AI-generated response using LangChain
|
|
assistant_instance = await sync_to_async(LangchainAIService)(bot_instance.assistant)
|
|
bot_response = await sync_to_async(assistant_instance.generate_response)(update.message.text)
|
|
|
|
# Step 6: Send the response back to Telegram
|
|
await update.message.reply_text(bot_response)
|
|
|
|
return JsonResponse({"status": "ok"})
|
|
|
|
logger.warning("Received non-POST request")
|
|
return JsonResponse({"error": "Invalid request method"}, status=400)
|
|
|
|
except Exception as e:
|
|
logger.error(f"Error in webhook: {e}")
|
|
return JsonResponse({"error": f"Unexpected error: {str(e)}"}, status=500)
|