/// <summary>
/// 批量获取用户活动已购数量缓存数据
/// </summary>
/// <param name="userId"></param>
/// <param name="activityIdList"></param>
/// <returns></returns>
public async Task <OperationResult <IEnumerable <UserActivityBuyNumModel> > > GetOrSetUserActivityBuyNumCacheAsync(string userId, List <string> activityIdList)
{
if (string.IsNullOrEmpty(userId) || !(activityIdList?.Count > 0))
{
return(OperationResult.FromError <IEnumerable <UserActivityBuyNumModel> >("1", "传入参数错误"));
}
return(OperationResult.FromResult(await DiscountActivityInfoManager.GetOrSetUserActivityBuyNumCache(userId, activityIdList)));
}
/// <summary>
/// 遍历每个活动组
/// </summary>
/// <returns></returns>
private async Task ForEachActivityGroup()
{
foreach (var group in _productGroups)
{
var currentActivityId = group.Key;
var currentActivity = _activities.FirstOrDefault(s => string.Equals(s.ActivityId, currentActivityId));
var currentActivityPids = group.Select(g => g.Pid).ToList();
var currentActivityRequestNum = group.Sum(s => s.RequestNum);
var currentActivityRequestTotalPrice = group.Sum(s => s.RequestNum * s.RequestPrice);
var userBuyNum = await DiscountActivityInfoManager.GetOrSetUserActivityBuyNumCache(_userId, new List <string>() { currentActivityId });
if (_isCreateOrder)
{
await DiscountActivityInfoManager.IncreaseUserActivityBuyNumCache(_userId, currentActivityId, currentActivityRequestNum, TimeSpan.FromMinutes(1));
}
var currentActivityUserAlreadyBuyNum = userBuyNum?.FirstOrDefault()?.BuyNum ?? 0;
if (currentActivity != null)
{
var currentActivityRules = _activityDiscountRules.Where(s => string.Equals(currentActivityId, s.ActivityId)).ToList();
if (!currentActivityRules.Any())
{
_returnList.AddRange(group.Select(g => new ProductHitDiscountResponse()
{
DiscountPrice = g.RequestPrice,
HasDiscountActivity = false,
DiscountRule = null,
IsHit = false,
Pid = g.Pid,
FailCode = nameof(ProductHitFailCode.NoneActivityDiscount),
FailMessage = ProductHitFailCode.NoneActivityDiscount,
}));
continue;
}
if (currentActivity.Is_PurchaseLimit == 1 && currentActivity.LimitQuantity < currentActivityUserAlreadyBuyNum + currentActivityRequestNum)//当前活动用户限购
{
_returnList.AddRange(group.Select(g => new ProductHitDiscountResponse()
{
DiscountPrice = g.RequestPrice,
HasDiscountActivity = true,
DiscountRule = null,
IsHit = false,
Pid = g.Pid,
FailCode = nameof(ProductHitFailCode.UserBeLimited),
FailMessage = ProductHitFailCode.UserBeLimited,
}));
continue;
}
var productSoldNums = (await DiscountActivityInfoManager.GetOrSetActivityProductSoldNumCache(currentActivityId, currentActivityPids));
await ForEachActivityGroupProducts(group, productSoldNums, currentActivityRules,
currentActivity, currentActivityRequestNum, currentActivityRequestTotalPrice);
}
}
}