from slowapi.util import get_remote_address
from slowapi import Limiter
from fastapi import Request

# Initialize a limiter instance
limiter = Limiter(key_func=get_remote_address)

def check_rate_limit(request: Request):
    """
    Function to check if a user has exceeded their rate limit. 
    This is managed by slowapi's limiter.
    """
    if not limiter.is_allowed(request):
        raise HTTPException(
            status_code=429,
            detail="Rate limit exceeded. Please try again later."
        )