private Campaign_ShakingLotteryGiftPool GetGiftPool(Guid campaignId, Guid?periodId)
{
Campaign_ShakingLotteryGiftPool pool = null;
if (_giftPool.ContainsKey(campaignId) == false)
{
lock (_giftPoolLockObj)
{
if (_giftPool.ContainsKey(campaignId) == false)
{
pool = new Campaign_ShakingLotteryGiftPool(campaignId, periodId);
_giftPool.Add(campaignId, pool);
}
}
}
if (pool == null)
{
pool = _giftPool[campaignId];
}
if (pool.PeriodId != periodId)
{
lock (_giftPoolLockObj)
{
if (pool.PeriodId != periodId)
{
pool = new Campaign_ShakingLotteryGiftPool(campaignId, periodId);
_giftPool[campaignId] = pool;
}
}
}
if ((DateTime.Now - pool.CreatedTime).TotalMinutes > 5)
{
lock (pool)
{
if ((DateTime.Now - pool.CreatedTime).TotalMinutes > 5)
{
pool.LoadGiftList();
}
}
}
return(pool);
}
/// <summary>
/// 摇奖
/// </summary>
/// <param name="campaignId"></param>
/// <param name="memberId"></param>
/// <param name="domain"></param>
/// <returns></returns>
public NormalResult <Campaign_ShakingLotteryGiftEntity> Shake(Guid campaignId, Guid?periodId, Guid memberId, DomainContext domain)
{
NormalResult <Campaign_ShakingLotteryGiftEntity> result = new NormalResult <Campaign_ShakingLotteryGiftEntity>();
CampaignEntity campaign = _campaignManager.GetCampaign(campaignId);
if (campaign == null)
{
result.Message = "指定的活动不存在。";
result.Success = false;
return(result);
}
//状态是否进行中
switch (campaign.Status)
{
case EnumCampaignStatus.Preparatory:
result.Message = "活动尚未开始。";
result.Success = false;
return(result);
case EnumCampaignStatus.End:
result.Message = "活动已结束。";
result.Success = false;
return(result);
}
Campaign_ShakingLotteryEntity shakingLottery = Get(campaignId);
if (shakingLottery == null)
{
result.Message = "指定的活动不存在。";
result.Success = false;
return(result);
}
if (shakingLottery.Mode == EnumCampaign_ShakingLotteryMode.Period)
{
if (shakingLottery.Period.HasValue == false)
{
result.Message = "摇奖尚未开始~~";
result.Success = false;
return(result);
}
//直接参与最新一期
periodId = shakingLottery.Period;
}
else
{
if (shakingLottery.Started == false)
{
result.Message = "摇奖尚未开始~~";
result.Success = false;
return(result);
}
}
//判断是否摇过了
int playedTimes = GetMemberPlayedTimes(campaignId, periodId, memberId);
if (playedTimes >= shakingLottery.ChanceTimes)
{
if (shakingLottery.Mode == EnumCampaign_ShakingLotteryMode.Period)
{
result.Message = "您已经用本轮完全部参与机会~";
}
else
{
result.Message = "您已经用完全部参与机会~";
}
result.Success = false;
return(result);
}
//////
Campaign_ShakingLotteryLogEntity log = new Campaign_ShakingLotteryLogEntity();
log.CampaignId = campaignId;
log.Period = periodId;
log.Domain = domain.Domain.Id;
log.AppId = domain.AppId;
log.Member = memberId;
log.Time = DateTime.Now;
//判断是否已经中奖了
if (GetMemberObtainedGiftList(campaignId, memberId).Count > 0)
{
//同一个摇奖活动，只允许中一个奖，但是还有次数或新的周期开始时
//还是允许他继续摇，假装还能参与
//result.Message = "您已中奖~";
//扣掉摇奖机会
log.Win = false;
_campaignManager.DataBase.Insert(log);
result.Message = "遗憾您没有摇中，请再接再厉~";
result.Success = false;
return(result);
}
Campaign_ShakingLotteryGiftPool pool = GetGiftPool(campaignId, periodId);
if (pool == null)
{
_campaignManager.Log.Write("没有取到 GiftPool",
String.Format("campaignId:{0}，periodId:{1}", campaignId, periodId), TraceEventType.Error);
result.Message = "遗憾您没有摇中，请再接再厉~~";
result.Success = false;
return(result);
}
Campaign_ShakingLotteryGiftEntity gift = pool.GetGift();
if (gift == null)
{
result.Message = "遗憾您没有摇中，请再接再厉！~";
result.Success = false;
return(result);
}
log.Gift = gift.Id;
if (gift.IsGift == false || gift.Stock <= 0)
{
log.Win = false;
}
else
{
//尝试扣减库存
List <CommandParameter> parameterList = new List <CommandParameter>();
parameterList.Add(new CommandParameter("@giftId", gift.Id));
DataSet dsResult =
_campaignManager.DataBase.ExecuteDataSet(CommandType.StoredProcedure, "DecrementShakingLotteryGiftStock",
parameterList, new string[] { "result" });
result.Reason = int.Parse(dsResult.Tables[0].Rows[0]["Result"].ToString());
if (result.Reason == 0)
{
log.Win = true;
}
else
{
log.Win = false;
}
if (result.Reason != 2)
{
gift.Stock = int.Parse(dsResult.Tables[0].Rows[0]["Stock"].ToString());
}
}
_campaignManager.DataBase.Insert(log);
if (log.Win)
{
result.Data = gift;
result.Success = true;
return(result);
}
else
{
result.Message = "遗憾您没有摇中，请再接再厉~";
result.Success = false;
return(result);
}
}
