Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-15 13:57:10 +08:00
commit 8679200f41
1897 changed files with 257900 additions and 0 deletions
@@ -0,0 +1,156 @@
+package activityser
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"91porn-server/app/appg"
+	"91porn-server/common/db"
+	"91porn-server/common/log"
+	"91porn-server/common/stderr"
+	"91porn-server/models/v/txnmod"
+	"91porn-server/models/v/usermod"
+	"91porn-server/models/v/walletmod"
+)
+
+// DeductType 扣款类型
+type DeductType int
+
+const (
+	DeductGold         DeductType = 1 // 金币
+	DeductIntegral     DeductType = 2 // 积分
+	DeductLotteryTimes DeductType = 3 // 抽奖免费次数
+)
+
+// DeductReq 扣款请求
+type DeductReq struct {
+	UserId     string     `json:"userId" binding:"required"`
+	DeductType DeductType `json:"deductType" binding:"required"`
+	Amount     int64      `json:"amount" binding:"required"`
+	ActivityId string     `json:"activityId"`
+	Remark     string     `json:"remark"`
+}
+
+// Deduct 活动扣款
+func Deduct(ctx context.Context, req *DeductReq) (stderr.Code, error) {
+	uid, err := strconv.ParseUint(req.UserId, 10, 64)
+	if err != nil {
+		return stderr.ErrParamError, fmt.Errorf("invalid userId: %s", req.UserId)
+	}
+	u, err := usermod.FindUserByUID(uid)
+	if err != nil {
+		return stderr.Failure, fmt.Errorf("查询用户异常: %w", err)
+	}
+	if u == nil {
+		return stderr.ErrParamError, fmt.Errorf("用户不存在: %s", req.UserId)
+	}
+
+	if req.Amount <= 0 {
+		return stderr.ErrParamError, fmt.Errorf("扣款数量必须大于0")
+	}
+
+	w, err := walletmod.GetWallet(uid)
+	if err != nil {
+		return stderr.Failure, fmt.Errorf("查询钱包异常: %w", err)
+	}
+	if w == nil {
+		w = &walletmod.Wallet{}
+	}
+
+	desc := req.Remark
+
+	switch req.DeductType {
+	case DeductGold:
+		if w.Amount < req.Amount {
+			return stderr.InsufficientGold, fmt.Errorf("金币余额不足，当前%d，需要%d", w.Amount, req.Amount)
+		}
+		return deductGold(ctx, uid, u, req, desc)
+	case DeductIntegral:
+		if w.Integral < req.Amount {
+			return stderr.InsufficientPoint, fmt.Errorf("积分余额不足，当前%d，需要%d", w.Integral, req.Amount)
+		}
+		return deductIntegral(ctx, uid, u, req, desc)
+	case DeductLotteryTimes:
+		if w.LotteryTimes < req.Amount {
+			return stderr.InsufficientLotteryFreeTimes, fmt.Errorf("抽奖免费次数不足，当前%d，需要%d", w.LotteryTimes, req.Amount)
+		}
+		return deductLotteryTimes(ctx, uid, u, req, desc)
+	default:
+		return stderr.ErrParamError, fmt.Errorf("不支持的扣款类型: %d", req.DeductType)
+	}
+}
+
+func deductGold(ctx context.Context, uid uint64, u *usermod.User, req *DeductReq, desc string) (stderr.Code, error) {
+	amount := req.Amount
+
+	err := appg.VideoDB.Trans(func(t *db.MongoTool) error {
+		w, err := walletmod.DebitAmount(t, amount, uid)
+		if err != nil {
+			return err
+		}
+		log.InfoX(ctx, "活动扣款-扣除金币", log.Any("uid", uid), log.Any("amount", amount), log.Any("activityId", req.ActivityId))
+		return txnmod.InsertTransactionLog(t, &txnmod.TransactionLog{
+			UID:          uid,
+			Amount:       -amount,
+			ActualAmount: float64(-amount),
+			TranType:     txnmod.ActivityDeductGold.Key(),
+			TranTypeInt:  int64(txnmod.ActivityDeductGold),
+			Desc:         fmt.Sprintf("%s-扣除%d金币", desc, amount),
+			SysType:      u.SysType,
+			RealAmount:   w.RealAmount(),
+		})
+	})
+	if err != nil {
+		return stderr.InsufficientGold, fmt.Errorf("金币余额不足")
+	}
+	return stderr.Success, nil
+}
+
+func deductIntegral(ctx context.Context, uid uint64, u *usermod.User, req *DeductReq, desc string) (stderr.Code, error) {
+	integral := req.Amount
+
+	err := appg.VideoDB.Trans(func(t *db.MongoTool) error {
+		_, err := walletmod.DebitIntegral(t, integral, uid)
+		if err != nil {
+			return err
+		}
+		log.InfoX(ctx, "活动扣款-扣除积分", log.Any("uid", uid), log.Any("integral", integral), log.Any("activityId", req.ActivityId))
+		return txnmod.InsertTransactionLog(t, &txnmod.TransactionLog{
+			UID:         uid,
+			Integral:    -integral,
+			TranType:    txnmod.ActivityDeductIntegral.Key(),
+			TranTypeInt: int64(txnmod.ActivityDeductIntegral),
+			Desc:        fmt.Sprintf("%s-扣除%d积分", desc, integral),
+			SysType:     u.SysType,
+		})
+	})
+	if err != nil {
+		return stderr.InsufficientPoint, fmt.Errorf("积分余额不足")
+	}
+	return stderr.Success, nil
+}
+
+func deductLotteryTimes(ctx context.Context, uid uint64, u *usermod.User, req *DeductReq, desc string) (stderr.Code, error) {
+	times := req.Amount
+
+	err := appg.VideoDB.Trans(func(t *db.MongoTool) error {
+		_, err := walletmod.DebitLotteryTimes(t, times, uid)
+		if err != nil {
+			return err
+		}
+		log.InfoX(ctx, "活动扣款-扣除抽奖免费次数", log.Any("uid", uid), log.Any("times", times), log.Any("activityId", req.ActivityId))
+		return txnmod.InsertTransactionLog(t, &txnmod.TransactionLog{
+			UID:         uid,
+			Amount:      -times,
+			TranType:    txnmod.ActivityDeductLotteryTimes.Key(),
+			TranTypeInt: int64(txnmod.ActivityDeductLotteryTimes),
+			Desc:        fmt.Sprintf("%s-扣除抽奖免费%d次", desc, times),
+			SysType:     u.SysType,
+		})
+	})
+	if err != nil {
+		return stderr.InsufficientLotteryFreeTimes, fmt.Errorf("抽奖免费次数不足")
+	}
+	return stderr.Success, nil
+}