Class handler

api/bot.py:211–269

        )]

class handler(BaseHTTPRequestHandler):
    async def _handle_preview(self):
        try:
            match = re.match(r'/api/preview/(\d+)/(\d+)', self.path)
            if not match:
                self.send_error(400, "Invalid URL format")
                return

            folder_id = int(match.group(1))
            time = int(match.group(2))

            frame_data = preview_extractor.extract_frame(folder_id, time)
            
            if frame_data:
                self.send_response(200)
                self.send_header('Content-Type', 'image/webp')
                self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
                self.end_headers()
                self.wfile.write(frame_data)
            else:
                self.send_error(404, "Preview not found")
                
        except Exception as e:
            logger.error(f"预览图处理错误: {str(e)}")
            self.send_error(500, str(e))

    async def _handle_bot(self):
        content_length = int(self.headers.get('Content-Length', 0))
        post_data = self.rfile.read(content_length)
        data = json.loads(post_data)
        
        try:
            async with asyncio.timeout(45):
                update = Update.de_json(data, Application.builder().token(TOKEN).build().bot)
                
                if update.inline_query:
                    results = await handle_inline_query(update)
                    await update.inline_query.answer(results, cache_time=0, is_personal=True)
                    
                response = {"status": "ok"}
        except asyncio.TimeoutError:
            logger.error("请求超时")
            response = {"status": "error", "message": "请求超时"}
        except Exception as e:
            logger.error(f"Webhook 错误: {str(e)}")
            response = {"status": "error", "message": str(e)}
        
        self.send_response(200)
        self.send_header('Content-Type', 'application/json')
        self.end_headers()
        self.wfile.write(json.dumps(response).encode())

    def do_GET(self):
        if self.path.startswith('/api/preview/'):
            asyncio.run(self._handle_preview())

    def do_POST(self):
        if self.path == '/api/bot':