app/utils/http_client.py

# ============================================================================
#  HTTP CLIENT MANAGER
# ============================================================================

import aiohttp
from typing import Optional

from app.config import Config
from app.utils.logger import logger


class HTTPClientManager:
    """Manages aiohttp session lifecycle"""
    def __init__(self):
        self.session: Optional[aiohttp.ClientSession] = None
    
    async def start(self):
        timeout = aiohttp.ClientTimeout(total=Config.REQUEST_TIMEOUT)
        self.session = aiohttp.ClientSession(timeout=timeout)
        logger.info("HTTP client session started")
    
    async def close(self):
        if self.session:
            await self.session.close()
            logger.info("HTTP client session closed")
    
    def get_session(self) -> aiohttp.ClientSession:
        if not self.session:
            raise RuntimeError("HTTP client not initialized")
        return self.session


# Global instance
http_client = HTTPClientManager()