fix(api): use MessageMediaType enum for poll checks

Replace string comparisons with the MessageMediaType.POLL enum and add the
necessary import. This ensures poll messages are correctly identified and
skipped during media processing.

api_server.py

@@ -30,6 +30,7 @@ import sys
 import magic
 from pyrogram import errors
 from pyrogram.types import Message
+from pyrogram.enums import MessageMediaType
 from fastapi import FastAPI, HTTPException, Response, Request
 from fastapi.responses import HTMLResponse, FileResponse, StreamingResponse
 from telegram_client import TelegramClient
@@ -139,7 +140,7 @@ if __name__ == "__main__":
 
 async def find_file_id_in_message(message: Message, file_unique_id: str) -> Union[str, None]:
     """Find file_id by checking all possible media types in message"""
-    if message.media == "MessageMediaType.POLL":
+    if message.media == MessageMediaType.POLL:
         logger.debug(f"Message {message.id} is a poll, skipping media search")
         return None
         
@@ -360,7 +361,7 @@ async def download_media_file(channel: Union[str, int], post_id: int, file_uniqu
         logger.error(f"Timeout getting messages for {channel}/{post_id}")
         raise HTTPException(status_code=504, detail="Request timeout")
     
-    if message.media == "MessageMediaType.POLL":
+    if message.media == MessageMediaType.POLL:
         return None, False
     
     # Check if it is a video and if its size exceeds 100 MB

post_parser.py

@@ -650,7 +650,7 @@ class PostParser:
 
         content_media = []
         base_url = Config['pyrogram_bridge_url']
-        if message.media and message.media != "MessageMediaType.POLL":
+        if message.media and message.media != MessageMediaType.POLL:
             content_media.append(f'<div class="message-media">')
 
             file_unique_id = self._get_file_unique_id(message)