from trade import trade_constant


def is_can_order_by_state(state):
    """
    根据状态判断是否可以下单
    @param state:
    @return:
    """
    if state == trade_constant.TRADE_STATE_BUY_DELEGATED or state == trade_constant.TRADE_STATE_BUY_PLACE_ORDER or state == trade_constant.TRADE_STATE_BUY_SUCCESS:
        return False
    return True