feat(commission): implement commission withdrawal logic and logging

internal/logic/public/user/commissionWithdrawLogic.go

@@ -2,10 +2,16 @@ package user
 
 import (
 	"context"
+	"time"
 
+	"github.com/perfect-panel/server/internal/model/log"
+	"github.com/perfect-panel/server/internal/model/user"
 	"github.com/perfect-panel/server/internal/svc"
 	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/constant"
 	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
 )
 
 type CommissionWithdrawLogic struct {
@@ -24,7 +30,79 @@ func NewCommissionWithdrawLogic(ctx context.Context, svcCtx *svc.ServiceContext)
 }
 
 func (l *CommissionWithdrawLogic) CommissionWithdraw(req *types.CommissionWithdrawRequest) (resp *types.WithdrawalLog, err error) {
-	// todo: add your logic here and delete this line
+	u, ok := l.ctx.Value(constant.CtxKeyUser).(*user.User)
+	if !ok {
+		logger.Error("current user is not found in context")
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.InvalidAccess), "Invalid Access")
+	}
 
-	return
+	if u.Commission < req.Amount {
+		logger.Errorf("User %d has insufficient commission balance: %.2f, requested: %.2f", u.Id, float64(u.Commission)/100, float64(req.Amount)/100)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.UserCommissionNotEnough), "User %d has insufficient commission balance", u.Id)
+	}
+
+	tx := l.svcCtx.DB.WithContext(l.ctx).Begin()
+
+	// update user commission balance
+	u.Commission -= req.Amount
+	if err = l.svcCtx.UserModel.Update(l.ctx, u, tx); err != nil {
+		tx.Rollback()
+		l.Errorf("Failed to update user %d commission balance: %v", u.Id, err)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "Failed to update user %d commission balance: %v", u.Id, err)
+	}
+
+	// create withdrawal log
+	logInfo := log.Commission{
+		Type:      log.CommissionTypeConvertBalance,
+		Amount:    req.Amount,
+		Timestamp: time.Now().UnixMilli(),
+	}
+	b, err := logInfo.Marshal()
+
+	if err != nil {
+		tx.Rollback()
+		l.Errorf("Failed to marshal commission log for user %d: %v", u.Id, err)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "Failed to marshal commission log for user %d: %v", u.Id, err)
+	}
+
+	err = tx.Model(log.SystemLog{}).Create(&log.SystemLog{
+		Type:      log.TypeCommission.Uint8(),
+		Date:      time.Now().Format("2006-01-02"),
+		ObjectID:  u.Id,
+		Content:   string(b),
+		CreatedAt: time.Now(),
+	}).Error
+
+	if err != nil {
+		tx.Rollback()
+		l.Errorf("Failed to create commission log for user %d: %v", u.Id, err)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "Failed to create commission log for user %d: %v", u.Id, err)
+	}
+
+	err = tx.Model(&user.Withdrawal{}).Create(&user.Withdrawal{
+		UserId:  u.Id,
+		Amount:  req.Amount,
+		Content: req.Content,
+		Status:  0,
+		Reason:  "",
+	}).Error
+
+	if err != nil {
+		tx.Rollback()
+		l.Errorf("Failed to create withdrawal log for user %d: %v", u.Id, err)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "Failed to create withdrawal log for user %d: %v", u.Id, err)
+	}
+	if err = tx.Commit().Error; err != nil {
+		l.Errorf("Transaction commit failed for user %d withdrawal: %v", u.Id, err)
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "Transaction commit failed for user %d withdrawal: %v", u.Id, err)
+	}
+
+	return &types.WithdrawalLog{
+		UserId:    u.Id,
+		Amount:    req.Amount,
+		Content:   req.Content,
+		Status:    0,
+		Reason:    "",
+		CreatedAt: time.Now().UnixMilli(),
+	}, nil
 }

internal/model/log/log.go

@@ -46,8 +46,9 @@ const (
 	CommissionTypePurchase       uint16 = 331 // Purchase
 	CommissionTypeRenewal        uint16 = 332 // Renewal
 	CommissionTypeRefund         uint16 = 333 // Refund
-	commissionTypeWithdraw    uint16 = 334 // withdraw
+	CommissionTypeWithdraw       uint16 = 334 // withdraw
 	CommissionTypeAdjust         uint16 = 335 // Admin Adjust
+	CommissionTypeConvertBalance uint16 = 336 // Convert to Balance
 	GiftTypeIncrease             uint16 = 341 // Increase
 	GiftTypeReduce               uint16 = 342 // Reduce
 )

pkg/xerr/errCode.go

@@ -27,6 +27,7 @@ const (
 	TelegramNotBound        uint32 = 20007
 	UserNotBindOauth        uint32 = 20008
 	InviteCodeError         uint32 = 20009
+	UserCommissionNotEnough uint32 = 20010
 )
 
 // Node error