245 lines
7.4 KiB
Go
245 lines
7.4 KiB
Go
package aiser
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import (
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"context"
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"errors"
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"fmt"
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"math"
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"time"
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"91porn-server/app/appg"
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"91porn-server/common/constant/redisconst"
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"91porn-server/common/db"
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"91porn-server/common/laosiji_app"
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"91porn-server/common/log"
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"91porn-server/common/redis"
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"91porn-server/models/commod"
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"91porn-server/models/v/fundtransferlogmod"
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"91porn-server/models/v/usermod"
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"91porn-server/models/v/walletmod"
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"github.com/go-redsync/redsync/v4"
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"github.com/shopspring/decimal"
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"go.mongodb.org/mongo-driver/bson/primitive"
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)
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const aiFundLockExpiry = 30 * time.Second
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type GetAuthURLResp struct {
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URL string `json:"url"`
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}
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type transferDependencies struct {
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findLatest func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error)
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findLatestOut func(uint64, fundtransferlogmod.Category) (*fundtransferlogmod.FundTransferLog, error)
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getWallet func(uint64) (*walletmod.Wallet, error)
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findUser func(uint64) (*usermod.User, error)
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getAuthURL func(context.Context, laosiji_app.GetAiMateURLReq) (laosiji_app.GetAiMateURLResp, error)
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bringOut func(context.Context, laosiji_app.AiMateBringOutReq) (laosiji_app.AiMateBringOutResp, error)
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debitAndLog func(uint64, int64, time.Time) error
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creditAndLog func(uint64, int64, float64, string, time.Time) error
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now func() time.Time
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}
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func defaultTransferDependencies() transferDependencies {
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return transferDependencies{
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findLatest: fundtransferlogmod.FindLatestByUIDAndCategory,
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findLatestOut: fundtransferlogmod.FindLatestOutByUIDAndCategory,
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getWallet: walletmod.GetWallet,
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findUser: usermod.FindUserByUID,
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getAuthURL: laosiji_app.GetAiMateURL,
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bringOut: laosiji_app.AiMateBringOut,
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debitAndLog: debitAndLog,
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creditAndLog: creditAndLog,
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now: time.Now,
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}
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}
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func acquireLock(uid uint64) (func(), error) {
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if appg.Redis == nil {
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return nil, errors.New("redis is unavailable")
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}
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lock := redis.BuildLock(
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appg.Redis,
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redisconst.GetAiFundLockKey(uid),
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redsync.WithExpiry(aiFundLockExpiry),
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redsync.WithTries(1),
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)
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if err := lock.Lock(); err != nil {
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return nil, err
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}
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return func() {
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if _, err := lock.Unlock(); err != nil {
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log.Warn("unlock AI fund lock failed", log.Any("uid", uid), log.E(err))
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}
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}, nil
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}
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// GetAuthURL 先回收上一次第三方余额，再将主钱包金币上分并返回AI女友授权地址。
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func GetAuthURL(ctx context.Context, uid uint64) (GetAuthURLResp, error) {
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unlock, err := acquireLock(uid)
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if err != nil {
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return GetAuthURLResp{}, errors.New("操作频繁，请稍后再试")
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}
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defer unlock()
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return getAuthURL(ctx, uid, defaultTransferDependencies())
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}
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func getAuthURL(ctx context.Context, uid uint64, deps transferDependencies) (GetAuthURLResp, error) {
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if err := settleDown(ctx, uid, deps); err != nil {
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return GetAuthURLResp{}, fmt.Errorf("下分失败: %w", err)
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}
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wallet, err := deps.getWallet(uid)
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if err != nil {
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return GetAuthURLResp{}, fmt.Errorf("获取钱包失败: %w", err)
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}
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var amount int64
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if wallet != nil {
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amount = wallet.Amount
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}
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var remainder float64
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lastOut, err := deps.findLatestOut(uid, fundtransferlogmod.CategoryAiGirlfriend)
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if err != nil {
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return GetAuthURLResp{}, fmt.Errorf("获取下分余数失败: %w", err)
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}
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if lastOut != nil {
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remainder = lastOut.Remainder
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}
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nickname, avatar := "用户", ""
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if user, findErr := deps.findUser(uid); findErr == nil && user != nil {
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if user.Name != "" {
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nickname = user.Name
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}
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avatar = user.Portrait
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}
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username := laosiji_app.GetUserName(appg.Conf.Base.Env, commod.KFK_APPID, uid)
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authResp, err := deps.getAuthURL(ctx, laosiji_app.GetAiMateURLReq{
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Username: username,
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Nickname: nickname,
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Asset: assetAmount(amount, remainder),
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Currency: "CNY",
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Theme: "dark",
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UserAvatar: avatar,
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})
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if err != nil {
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return GetAuthURLResp{}, fmt.Errorf("获取AI女友地址失败: %w", err)
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}
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if authResp.AuthURL == "" {
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return GetAuthURLResp{}, errors.New("AI女友地址为空")
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}
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if amount > 0 {
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if err = deps.debitAndLog(uid, amount, deps.now()); err != nil {
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return GetAuthURLResp{}, fmt.Errorf("上分扣除金币失败: %w", err)
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}
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}
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return GetAuthURLResp{URL: authResp.AuthURL}, nil
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}
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// TrySettleDown 在钱包查询前尝试将AI女友剩余余额下分回主钱包。
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func TrySettleDown(ctx context.Context, uid uint64) error {
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unlock, err := acquireLock(uid)
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if err != nil {
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return errors.New("操作频繁，请稍后再试")
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}
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defer unlock()
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return settleDown(ctx, uid, defaultTransferDependencies())
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}
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func settleDown(ctx context.Context, uid uint64, deps transferDependencies) error {
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latest, err := deps.findLatest(uid, fundtransferlogmod.CategoryAiGirlfriend)
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if err != nil {
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return err
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}
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if latest == nil || latest.FundType != fundtransferlogmod.FundTypeIn {
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return nil
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}
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resp, err := deps.bringOut(ctx, laosiji_app.AiMateBringOutReq{
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Username: laosiji_app.GetUserName(appg.Conf.Base.Env, commod.KFK_APPID, uid),
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})
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if err != nil {
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return err
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}
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returnAmount, remainder, err := balanceToWallet(resp.Balance)
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if err != nil {
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return err
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}
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desc := "AI女友下分"
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if returnAmount == 0 {
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desc += "-金币为0"
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}
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return deps.creditAndLog(uid, returnAmount, remainder, desc, deps.now())
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}
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func assetAmount(amount int64, remainder float64) string {
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amountDecimal := decimal.NewFromInt(amount).Div(decimal.NewFromInt(10))
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return amountDecimal.Add(decimal.NewFromFloat(remainder)).Round(2).StringFixed(2)
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}
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func balanceToWallet(balance string) (int64, float64, error) {
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value, err := decimal.NewFromString(balance)
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if err != nil {
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return 0, 0, fmt.Errorf("无效的第三方余额: %w", err)
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}
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if value.IsNegative() {
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return 0, 0, errors.New("第三方余额不能为负数")
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}
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coins := value.Mul(decimal.NewFromInt(10)).Floor()
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if coins.GreaterThan(decimal.NewFromInt(math.MaxInt64)) {
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return 0, 0, errors.New("第三方余额超出范围")
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}
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returnAmount := coins.IntPart()
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remainderDecimal := value.Sub(decimal.NewFromInt(returnAmount).Div(decimal.NewFromInt(10))).Round(2)
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remainder, _ := remainderDecimal.Float64()
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return returnAmount, remainder, nil
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}
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func debitAndLog(uid uint64, amount int64, now time.Time) error {
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if appg.VideoDB == nil {
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return errors.New("video database is unavailable")
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}
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return appg.VideoDB.Trans(func(t *db.MongoTool) error {
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wallet, err := walletmod.DebitAmount(t, amount, uid)
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if err != nil {
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return err
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}
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return fundtransferlogmod.Insert(t, &fundtransferlogmod.FundTransferLog{
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ID: primitive.NewObjectID(),
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UID: uid,
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Category: fundtransferlogmod.CategoryAiGirlfriend,
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FundType: fundtransferlogmod.FundTypeIn,
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Amount: amount,
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Balance: wallet.Amount,
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Desc: "AI女友上分",
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CreatedAt: now,
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})
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})
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}
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func creditAndLog(uid uint64, amount int64, remainder float64, desc string, now time.Time) error {
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if appg.VideoDB == nil {
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return errors.New("video database is unavailable")
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}
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return appg.VideoDB.Trans(func(t *db.MongoTool) error {
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wallet, err := walletmod.CreditAmount(t, amount, uid)
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if err != nil {
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return err
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}
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return fundtransferlogmod.Insert(t, &fundtransferlogmod.FundTransferLog{
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ID: primitive.NewObjectID(),
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UID: uid,
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Category: fundtransferlogmod.CategoryAiGirlfriend,
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FundType: fundtransferlogmod.FundTypeOut,
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Amount: amount,
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Balance: wallet.Amount,
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Remainder: remainder,
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Desc: desc,
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CreatedAt: now,
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})
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})
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}
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