from datetime import timedelta, datetime

import model

if __name__ == '__main__':
    timeout = float(input('How long will the initial selling be available? (minutes):'))
    try:
        expiry = datetime.strptime(model.current_db_time(), '%Y-%m-%d %H:%M:%S') + timedelta(minutes=timeout)
        print(model.new_stock(expiry))
        model.cleanup()
    except OverflowError:
        print('The expiration time is too far in the future.')