/// <summary> /// 校验用户的参团资格 /// </summary> /// <param name="GroupId"></param> /// <param name="UserId"></param> /// <param name="ProductGroupId"></param> /// <returns></returns> public async Task <OperationResult <CheckResultModel> > CheckGroupInfoByUserIdAsync(Guid GroupId, Guid UserId, string ProductGroupId, string pid = default(string)) { if ((GroupId == Guid.Empty || UserId == Guid.Empty) && string.IsNullOrWhiteSpace(ProductGroupId)) { return(OperationResult.FromError <CheckResultModel>(ErrorCode.ParameterError, "参数不正确")); } var result = new CheckResultModel(); if (!string.IsNullOrWhiteSpace(pid) && !(await GroupBuyingManager.CheckProductOnSale(pid))) { result.Code = 12; result.Info = "产品库已下架"; return(OperationResult.FromResult(result)); } if (GroupId == Guid.Empty && !string.IsNullOrWhiteSpace(ProductGroupId)) { result = await GroupBuyingManager.CheckProductGroupInfoById(ProductGroupId, UserId, pid); } else { result = await GroupBuyingManager.CheckGroupInfoByUserId(GroupId, UserId, ProductGroupId, pid); } return(OperationResult.FromResult(result)); }