from datetime import datetime, timedelta
import uuid

# Simple in-memory cache (replace with Redis in production)
result_cache = {}
CACHE_EXPIRY_HOURS = 1

def store_result(data):
    cache_id = str(uuid.uuid4())
    expiry = datetime.now() + timedelta(hours=CACHE_EXPIRY_HOURS)
    result_cache[cache_id] = {
        'data': data,
        'expiry': expiry
    }
    return cache_id

def get_result(cache_id):
    if cache_id not in result_cache:
        return None
        
    if datetime.now() > result_cache[cache_id]['expiry']:
        del result_cache[cache_id]
        return None
        
    return result_cache[cache_id]['data']