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app/services/telegram_poller.py

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+"""
+Project Telegram polling startup: launches both main and client bots with full routers and middleware.
+Cleans webhooks before polling to ensure updates delivery.
+"""
+import asyncio
+import logging
+from typing import Optional
+
+from aiogram import Bot, Dispatcher
+from aiogram.fsm.storage.memory import MemoryStorage
+
+from app.core.config import get_settings
+from app.bot.middleware import UserDataMiddleware
+from app.bot.routers.index import main_router as main_bot_router
+from app.client_bot.routers.index import main_router as client_bot_router
+
+logger = logging.getLogger(__name__)
+
+
+async def _run_bot(token: str, name: str, router) -> None:
+    bot = Bot(token)
+    dp = Dispatcher(storage=MemoryStorage())
+    dp.update.outer_middleware(UserDataMiddleware())
+    dp.include_router(router)
+    logger.info("Preparing Telegram bot for polling", extra={"name": name})
+    # Ensure webhook is removed so polling works
+    await bot.delete_webhook(drop_pending_updates=False)
+    logger.info("Webhook cleared", extra={"name": name})
+    logger.info("Starting Telegram bot polling", extra={"name": name})
+    await dp.start_polling(bot, allowed_updates=dp.resolve_used_update_types())
+
+
+async def start_bots_if_configured() -> list[asyncio.Task]:
+    settings = get_settings()
+    tasks: list[asyncio.Task] = []
+    if bool(getattr(settings, 'TELEGRAM_WEBHOOK_ENABLED', False)):
+        logger.info("Telegram webhook enabled; skipping polling start")
+        return tasks
+
+    main_token: Optional[str] = getattr(settings, 'TELEGRAM_API_KEY', None)
+    if main_token:
+        tasks.append(asyncio.create_task(_run_bot(main_token, 'main', main_bot_router)))
+
+    client_token: Optional[str] = getattr(settings, 'CLIENT_TELEGRAM_API_KEY', None)
+    if client_token:
+        tasks.append(asyncio.create_task(_run_bot(client_token, 'client', client_bot_router)))
+
+    if tasks:
+        logger.info("Telegram bots polling started", extra={"count": len(tasks)})
+    else:
+        logger.info("No Telegram tokens configured; polling not started")
+    return tasks