96 lines
3.7 KiB
Python
96 lines
3.7 KiB
Python
import os
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import logging
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from typing import Optional
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from telethon import TelegramClient, events
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from telethon.tl.types import MessageMediaPhoto, MessageMediaDocument
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from db.repository import Repository
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from core.dedup import compute_content_hash, compute_file_hash
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from services.ai_processor import AIProcessor
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from core.metrics import COLLECTED_POSTS_TOTAL
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logger = logging.getLogger(__name__)
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MEDIA_DIR = os.getenv("MEDIA_DIR", "/projects/telegram-bots/copykar/data/media")
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class CollectorService:
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def __init__(
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self,
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repo: Repository,
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ai_processor: AIProcessor,
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api_id: Optional[int] = None,
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api_hash: Optional[str] = None,
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session_name: str = "/projects/telegram-bots/copykar/sessions/collector.session",
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):
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self.repo = repo
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self.ai_processor = ai_processor
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self.api_id = api_id or int(os.getenv("API_ID", "0"))
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self.api_hash = api_hash or os.getenv("API_HASH", "")
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self.session_name = session_name
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self.client = TelegramClient(self.session_name, self.api_id, self.api_hash)
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async def start(self):
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os.makedirs(os.path.dirname(self.session_name), exist_ok=True)
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os.makedirs(MEDIA_DIR, exist_ok=True)
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logger.info("Starting Collector Userbot...")
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await self.client.start()
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logger.info("Collector Userbot connected successfully.")
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@self.client.on(events.NewMessage)
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async def on_new_message(event: events.NewMessage.Event):
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await self._handle_message(event)
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async def _handle_message(self, event: events.NewMessage.Event):
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try:
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# Check if source channel is in our monitored sources
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chat_id = event.chat_id
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source = await self.repo.get_source_by_channel_id(chat_id)
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if not source or not source.is_active:
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return
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raw_text = event.raw_text or ""
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media_path = None
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media_type = None
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media_hash = None
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# Download media if present
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if event.message.media:
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if isinstance(event.message.media, MessageMediaPhoto):
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media_type = "photo"
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elif isinstance(event.message.media, MessageMediaDocument):
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media_type = "document"
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else:
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media_type = "other"
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filename = f"{chat_id}_{event.message.id}"
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download_target = os.path.join(MEDIA_DIR, filename)
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downloaded_file = await event.message.download_media(file=download_target)
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if downloaded_file:
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media_path = downloaded_file
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media_hash = compute_file_hash(downloaded_file)
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content_hash = compute_content_hash(raw_text, media_hash)
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# Store raw post in DB
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post_id = await self.repo.create_raw_post(
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source_channel_id=chat_id,
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source_message_id=event.message.id,
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raw_text=raw_text,
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media_path=media_path,
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media_type=media_type,
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content_hash=content_hash,
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)
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if post_id:
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COLLECTED_POSTS_TOTAL.labels(source_channel_id=str(chat_id)).inc()
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logger.info(f"Collected new post ID {post_id} from channel {chat_id}")
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# Trigger AI Processor pipeline
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await self.ai_processor.process_post(post_id)
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except Exception as e:
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logger.error(f"Error handling message from {event.chat_id}: {e}", exc_info=True)
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async def stop(self):
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if self.client.is_connected():
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await self.client.disconnect()
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logger.info("Collector Userbot disconnected.")
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