/// <summary> /// 获取保养活动状态 /// </summary> /// <param name="activityId"></param> /// <param name="userId"></param> /// <param name="regionId"></param> /// <returns></returns> public Task <OperationResult <FixedPriceActivityStatusResult> > GetFixedPriceActivityStatusAsync(Guid activityId, Guid userId, int regionId) => OperationResult.FromResultAsync(FlashSaleManager.GetFixedPriceActivityStatus(activityId, userId, regionId));