Claude Opus 5
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package luckydrawser
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import (
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"91porn-server/models/v/taskrecordmod"
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"errors"
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"fmt"
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"math/rand"
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"time"
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"91porn-server/app/appg"
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"91porn-server/common/db"
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"91porn-server/common/log"
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"91porn-server/models/v/activitymod"
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"91porn-server/models/v/prizemod"
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"91porn-server/models/v/txnmod"
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"91porn-server/models/v/walletmod"
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"github.com/shopspring/decimal"
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"github.com/smallnest/weighted"
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"go.mongodb.org/mongo-driver/bson/primitive"
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)
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// 免费模式处理
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func freeModelHanlder(in *DrawReq, activityId primitive.ObjectID, prizeList []*prizemod.Prize, prizePool *activitymod.PrizePool) ([]*prizemod.Prize, error) {
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var (
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wg *weighted.RandW = weighted.NewRandW()
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drawPrice int64 // 本次抽奖总支出
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prizes []*prizemod.Prize // 本次抽奖结果
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reservoir int64 // 蓄水池金额
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systemIncome int64 // 系统收益金额
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systemRake int64 // 系统抽成金额
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now time.Time = time.Now()
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)
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// 奖品分类
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prizeListLen := len(prizeList)
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lowPrizes := make([]*prizemod.Prize, 0, prizeListLen) // 低级奖品列表
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middlePrizes := make([]*prizemod.Prize, 0, prizeListLen) // 中级奖品列表
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for _, v := range prizeList {
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if v.Level == prizemod.Low {
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lowPrizes = append(lowPrizes, v)
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}
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if v.Level == prizemod.Middle {
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middlePrizes = append(middlePrizes, v)
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}
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wg.Add(v, int(v.Weights.Mul(decimal.NewFromInt(100)).IntPart()))
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}
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// 获取用户签到信息
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signInfo, err := taskrecordmod.GetByUID(in.UserId)
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if err != nil {
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return nil, err
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}
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if signInfo == nil {
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if _, err = taskrecordmod.AddTaskRecord(in.UserId); err != nil {
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return nil, err
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}
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}
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// 获取用户免费次数
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userFree, err := activitymod.GetUserFree(activityId, in.UserId)
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if err != nil {
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return nil, err
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}
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// 使用金币抽奖
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if userFree != nil && userFree.FreeCount < int32(in.Count) {
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drawPrice = prizePool.Price * in.Count
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wal, err := walletmod.GetWallet(in.UserId)
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if err != nil {
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return nil, err
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}
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// 余额不足
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if wal.Amount < drawPrice {
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return nil, errors.New("余额不足")
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}
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}
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log.Info(fmt.Sprintf("本次抽奖所需金币为[%d]", drawPrice))
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// 本次抽奖总抽成收益
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systemRake += decimal.NewFromInt(drawPrice).Mul(decimal.NewFromFloat(0.1)).IntPart()
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// 本次抽奖蓄水池抽成收益
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reservoir += decimal.NewFromInt(drawPrice).Mul(decimal.NewFromFloat(0.1)).IntPart()
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// 本次抽奖系统收益
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systemIncome += drawPrice - systemRake - reservoir
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drawRecord := make([]activitymod.UserRecord, in.Count) // 抽奖记录
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for i := 0; i < int(in.Count); i++ {
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p, ok := wg.Next().(*prizemod.Prize)
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if !ok || p == nil {
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return nil, errors.New("异常错误")
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}
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log.Info(fmt.Sprintf("金币抽奖-正常获取奖品[%s]", p.Name))
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// 玩家使用免费抽奖
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if drawPrice == 0 {
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// 替换为低级奖品
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if p.Level != prizemod.Low {
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p = lowPrizes[rand.New(rand.NewSource(time.Now().UnixNano())).Intn(len(lowPrizes))]
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}
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}
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// 金币抽奖 杀分判定 固定70%几率杀分 亏损达到预期2倍100%杀分
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if prizePool.SystemIncome < -(prizePool.EstimatedIncome/2) && drawPrice > 0 && p.Level != prizemod.Low {
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if rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(100) > 30 || prizePool.SystemIncome < -(prizePool.EstimatedIncome*2) {
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log.Info(fmt.Sprintf("金币抽奖-杀分判定成功[当前奖品:%s]", p.Name))
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// 替换为低级奖品
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p = lowPrizes[rand.New(rand.NewSource(time.Now().UnixNano())).Intn(len(lowPrizes))]
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log.Info(fmt.Sprintf("金币抽奖-杀分判定成功[替换奖品:%s]", p.Name))
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}
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}
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// 放分判定 固定30%几率放分
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if prizePool.SystemIncome > prizePool.EstimatedIncome && rand.New(rand.NewSource(time.Now().UnixNano())).Int31n(100) < 30 && drawPrice > 0 && p.Level != prizemod.Middle {
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log.Info(fmt.Sprintf("金币抽奖-放分判定成功[当前奖品:%s]", p.Name))
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// 替换为中级奖品
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p = middlePrizes[rand.New(rand.NewSource(time.Now().UnixNano())).Intn(len(middlePrizes))]
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log.Info(fmt.Sprintf("金币抽奖-放分判定成功[替换奖品:%s]", p.Name))
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}
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// 高级奖品放出判定
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if p.Level == prizemod.High {
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if prizePool.Reservoir < p.GetPrice() {
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// 替换为中级奖品
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p = middlePrizes[rand.New(rand.NewSource(time.Now().UnixNano())).Intn(len(middlePrizes))]
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} else {
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// 扣除蓄水池
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prizePool.Reservoir -= p.GetPrice()
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reservoir -= p.GetPrice()
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}
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}
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// 增加系统收益 不包含本次抽奖收益
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prizePool.SystemIncome -= p.GetPrice()
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systemIncome -= p.GetPrice()
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prizes = append(prizes, p)
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// 增加抽奖记录
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drawRecord[i] = activitymod.UserRecord{
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ActivityID: activityId,
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VIPCardID: p.VIPCardID,
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UID: in.UserId,
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Name: p.Name,
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Type: p.Type,
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Price: p.Price,
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Count: p.Count,
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Value: p.Value,
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Level: p.Level,
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DrawPrice: prizePool.Price,
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CreateTime: now,
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}
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}
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hanlders := make([]prizemod.PrizeHanlder, 0, len(prizes))
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var addGoldHanlder prizemod.PrizeHanlder
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var transactionLogs []txnmod.TransactionLog // 资金流水记录
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for _, v := range prizes {
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hanlder, err := prizemod.Run(in.UserId, *v, txnmod.JiuGongGeDraw)
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if err != nil {
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return nil, err
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}
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switch v.Type {
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case prizemod.Gold:
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addGoldHanlder = hanlder
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hanlders = append(hanlders, hanlder)
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default:
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if hanlder != nil {
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hanlders = append(hanlders, hanlder)
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transactionLogs = append(transactionLogs, hanlder.GetTransactionLog()...)
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}
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}
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}
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if err = appg.VideoDB.Trans(func(t *db.MongoTool) error {
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if reservoir != 0 || systemIncome != 0 || systemRake != 0 {
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// 更新奖池
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if err := activitymod.UpdatePrizePoolInc(t, activityId, reservoir, systemIncome, systemRake); err != nil {
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return err
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}
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}
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// 更新用户免费次数
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if drawPrice == 0 {
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if err := activitymod.UpdateOneUserFreeInc(t, activityId, in.UserId, -int32(in.Count)); err != nil {
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return err
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}
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} else if drawPrice > 0 {
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wal, err := walletmod.DebitAmount(t, drawPrice, in.UserId)
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if err != nil {
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return err
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}
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transactionLogs = append(transactionLogs, txnmod.TransactionLog{
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TransNo: primitive.NewObjectID(),
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UID: in.UserId,
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Amount: -drawPrice,
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ActualAmount: -float64(drawPrice),
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TranType: txnmod.JiuGongGeDraw.Key(),
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TranTypeInt: int64(txnmod.JiuGongGeDraw),
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Desc: fmt.Sprintf("%s消费-%d个金币", "", drawPrice),
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RealAmount: wal.RealAmount(),
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})
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}
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// 更新抽奖记录
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if len(drawRecord) > 0 {
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if err = activitymod.AddMany(drawRecord); err != nil {
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return err
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}
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}
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for _, v := range hanlders {
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if err = v.Run(t); err != nil {
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return err
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}
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}
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if addGoldHanlder != nil {
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transactionLogs = append(transactionLogs, addGoldHanlder.GetTransactionLog()...)
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}
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if len(transactionLogs) > 0 {
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if err = txnmod.InsertManyTransactionLog(t, transactionLogs); err != nil {
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return err
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}
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}
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return nil
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}); err != nil {
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return nil, err
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}
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return prizes, nil
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}
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Reference in New Issue
Block a user