init: 1.0.0

internal/logic/public/order/calculateCoupon.go

@@ -0,0 +1,13 @@
+package order
+
+import (
+	"github.com/perfect-panel/ppanel-server/internal/model/coupon"
+)
+
+func calculateCoupon(amount int64, couponInfo *coupon.Coupon) int64 {
+	if couponInfo.Type == 1 {
+		return int64(float64(amount) * (float64(couponInfo.Discount) / float64(100)))
+	} else {
+		return min(couponInfo.Discount, amount)
+	}
+}

internal/logic/public/order/calculateFee.go

@@ -0,0 +1,20 @@
+package order
+
+import "github.com/perfect-panel/ppanel-server/internal/model/payment"
+
+func calculateFee(amount int64, config *payment.Payment) int64 {
+	var fee float64
+	switch config.FeeMode {
+	case 0:
+		return 0
+	case 1:
+		fee = float64(amount) * (float64(config.FeePercent) / float64(100))
+	case 2:
+		if amount > 0 {
+			fee = float64(config.FeeAmount)
+		}
+	case 3:
+		fee = float64(amount)*(float64(config.FeePercent)/float64(100)) + float64(config.FeeAmount)
+	}
+	return int64(fee)
+}

internal/logic/public/order/closeOrderLogic.go

@@ -0,0 +1,197 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/pkg/payment/stripe"
+	"gorm.io/gorm"
+
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/internal/model/payment"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/payment/alipay"
+)
+
+type CloseOrderLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// NewCloseOrderLogic Close order
+func NewCloseOrderLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CloseOrderLogic {
+	return &CloseOrderLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *CloseOrderLogic) CloseOrder(req *types.CloseOrderRequest) error {
+	// Find order information by order number
+	orderInfo, err := l.svcCtx.OrderModel.FindOneByOrderNo(l.ctx, req.OrderNo)
+	if err != nil {
+		l.Errorw("[CloseOrder] Find order info failed",
+			logger.Field("error", err.Error()),
+			logger.Field("orderNo", req.OrderNo),
+		)
+		return nil
+	}
+	// If the order status is not 1, it means that the order has been closed or paid
+	if orderInfo.Status != 1 {
+		l.Infow("[CloseOrder] Order status is not 1",
+			logger.Field("orderNo", req.OrderNo),
+			logger.Field("status", orderInfo.Status),
+		)
+		return nil
+	}
+	err = l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
+		// update order status
+		err := tx.Model(&order.Order{}).Where("order_no = ?", req.OrderNo).Update("status", 3).Error
+		if err != nil {
+			l.Errorw("[CloseOrder] Update order status failed",
+				logger.Field("error", err.Error()),
+				logger.Field("orderNo", req.OrderNo),
+			)
+			return err
+		}
+		// If User ID is 0, it means that the order is a guest order and does not need to be refunded, the order can be deleted directly
+		if orderInfo.UserId == 0 {
+			err = tx.Model(&order.Order{}).Where("order_no = ?", req.OrderNo).Delete(&order.Order{}).Error
+			if err != nil {
+				l.Errorw("[CloseOrder] Delete order failed",
+					logger.Field("error", err.Error()),
+					logger.Field("orderNo", req.OrderNo),
+				)
+				return err
+			}
+			return nil
+		}
+		// refund deduction amount to user deduction balance
+		if orderInfo.GiftAmount > 0 {
+			userInfo, err := l.svcCtx.UserModel.FindOne(l.ctx, orderInfo.UserId)
+			if err != nil {
+				l.Errorw("[CloseOrder] Find user info failed",
+					logger.Field("error", err.Error()),
+					logger.Field("user_id", orderInfo.UserId),
+				)
+				return err
+			}
+			deduction := userInfo.GiftAmount + orderInfo.GiftAmount
+			err = tx.Model(&user.User{}).Where("id = ?", orderInfo.UserId).Update("deduction", deduction).Error
+			if err != nil {
+				l.Errorw("[CloseOrder] Refund deduction amount failed",
+					logger.Field("error", err.Error()),
+					logger.Field("uid", orderInfo.UserId),
+					logger.Field("deduction", orderInfo.GiftAmount),
+				)
+				return err
+			}
+			// Record the deduction refund log
+			giftAmountLog := &user.GiftAmountLog{
+				UserId:  orderInfo.UserId,
+				OrderNo: orderInfo.OrderNo,
+				Amount:  orderInfo.GiftAmount,
+				Type:    1,
+				Balance: deduction,
+				Remark:  "Order cancellation refund",
+			}
+			err = tx.Model(&user.GiftAmountLog{}).Create(giftAmountLog).Error
+			if err != nil {
+				l.Errorw("[CloseOrder] Record cancellation refund log failed",
+					logger.Field("error", err.Error()),
+					logger.Field("uid", orderInfo.UserId),
+					logger.Field("deduction", orderInfo.GiftAmount),
+				)
+				return err
+			}
+			// update user cache
+			return l.svcCtx.UserModel.UpdateUserCache(l.ctx, userInfo)
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// confirmationPayment Determine whether the payment is successful
+//
+//nolint:unused
+func (l *CloseOrderLogic) confirmationPayment(order *order.Order) bool {
+	paymentConfig, err := l.svcCtx.PaymentModel.FindOne(l.ctx, order.PaymentId)
+	if err != nil {
+		l.Errorw("[CloseOrder] Find payment config failed", logger.Field("error", err.Error()), logger.Field("paymentMark", order.Method))
+		return false
+	}
+	switch order.Method {
+	case AlipayF2f:
+		if l.queryAlipay(paymentConfig, order.TradeNo) {
+			return true
+		}
+	case StripeAlipay:
+		if l.queryStripe(paymentConfig, order.TradeNo) {
+			return true
+		}
+	case StripeWeChatPay:
+		if l.queryStripe(paymentConfig, order.TradeNo) {
+			return true
+		}
+	default:
+		l.Infow("[CloseOrder] Unsupported payment method", logger.Field("paymentMethod", order.Method))
+	}
+	return false
+}
+
+// queryAlipay Query Alipay payment status
+//
+//nolint:unused
+func (l *CloseOrderLogic) queryAlipay(paymentConfig *payment.Payment, TradeNo string) bool {
+	config := payment.AlipayF2FConfig{}
+	if err := json.Unmarshal([]byte(paymentConfig.Config), &config); err != nil {
+		l.Errorw("[CloseOrder] Unmarshal payment config failed", logger.Field("error", err.Error()), logger.Field("config", paymentConfig.Config))
+		return false
+	}
+	client := alipay.NewClient(alipay.Config{
+		AppId:       config.AppId,
+		PrivateKey:  config.PrivateKey,
+		PublicKey:   config.PublicKey,
+		InvoiceName: config.InvoiceName,
+	})
+	status, err := client.QueryTrade(l.ctx, TradeNo)
+	if err != nil {
+		l.Errorw("[CloseOrder] Query trade failed", logger.Field("error", err.Error()), logger.Field("TradeNo", TradeNo))
+		return false
+	}
+	if status == alipay.Success || status == alipay.Finished {
+		return true
+	}
+	return false
+}
+
+// queryStripe Query Stripe payment status
+//
+//nolint:unused
+func (l *CloseOrderLogic) queryStripe(paymentConfig *payment.Payment, TradeNo string) bool {
+	config := payment.StripeConfig{}
+	if err := json.Unmarshal([]byte(paymentConfig.Config), &config); err != nil {
+		l.Errorw("[CloseOrder] Unmarshal payment config failed", logger.Field("error", err.Error()), logger.Field("config", paymentConfig.Config))
+		return false
+	}
+	client := stripe.NewClient(stripe.Config{
+		PublicKey:     config.PublicKey,
+		SecretKey:     config.SecretKey,
+		WebhookSecret: config.WebhookSecret,
+	})
+	status, err := client.QueryOrderStatus(TradeNo)
+	if err != nil {
+		l.Errorw("[CloseOrder] Query order status failed", logger.Field("error", err.Error()), logger.Field("TradeNo", TradeNo))
+		return false
+	}
+	return status
+}

internal/logic/public/order/constant.go

@@ -0,0 +1,9 @@
+package order
+
+const (
+	Epay            = "epay"
+	AlipayF2f       = "alipay_f2f"
+	StripeAlipay    = "stripe_alipay"
+	StripeWeChatPay = "stripe_wechat_pay"
+	Balance         = "balance"
+)

internal/logic/public/order/getDiscount.go

@@ -0,0 +1,14 @@
+package order
+
+import "github.com/perfect-panel/ppanel-server/internal/types"
+
+func getDiscount(discounts []types.SubscribeDiscount, inputMonths int64) float64 {
+	var finalDiscount int64 = 100
+
+	for _, discount := range discounts {
+		if inputMonths >= discount.Quantity && discount.Discount < finalDiscount {
+			finalDiscount = discount.Discount
+		}
+	}
+	return float64(finalDiscount) / float64(100)
+}

internal/logic/public/order/preCreateOrderLogic.go

@@ -0,0 +1,126 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+)
+
+type PreCreateOrderLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Pre create order
+func NewPreCreateOrderLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PreCreateOrderLogic {
+	return &PreCreateOrderLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *PreCreateOrderLogic) PreCreateOrder(req *types.PurchaseOrderRequest) (resp *types.PreOrderResponse, err error) {
+	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")
+	}
+	// find subscribe plan
+	sub, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, req.SubscribeId)
+	if err != nil {
+		l.Errorw("[PreCreateOrder] Database query error", logger.Field("error", err.Error()), logger.Field("subscribe_id", req.SubscribeId))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe error: %v", err.Error())
+	}
+	var discount float64 = 1
+	if sub.Discount != "" {
+		var dis []types.SubscribeDiscount
+		_ = json.Unmarshal([]byte(sub.Discount), &dis)
+		discount = getDiscount(dis, req.Quantity)
+	}
+	price := sub.UnitPrice * req.Quantity
+	amount := int64(float64(price) * discount)
+	discountAmount := price - amount
+	var couponAmount int64
+	if req.Coupon != "" {
+		couponInfo, err := l.svcCtx.CouponModel.FindOneByCode(l.ctx, req.Coupon)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotExist), "coupon not found")
+			}
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+		if couponInfo.Count <= couponInfo.UsedCount {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponAlreadyUsed), "coupon used")
+		}
+		var count int64
+		err = l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
+			return tx.Model(&order.Order{}).Where("user_id = ? and coupon = ?", u.Id, req.Coupon).Count(&count).Error
+		})
+
+		if err != nil {
+			l.Logger.Error("[PreCreateOrder] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id), logger.Field("coupon", req.Coupon))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+
+		if count >= couponInfo.UserLimit {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon limit exceeded")
+		}
+
+		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)
+		if len(couponSub) > 0 && !tool.Contains(couponSub, req.SubscribeId) {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotApplicable), "coupon not match")
+		}
+		couponAmount = calculateCoupon(amount, couponInfo)
+	}
+	amount -= couponAmount
+
+	var deductionAmount int64
+	// Check user deduction amount
+	if u.GiftAmount > 0 {
+		if u.GiftAmount >= amount {
+			deductionAmount = amount
+			amount = 0
+		} else {
+			deductionAmount = u.GiftAmount
+			amount -= u.GiftAmount
+		}
+	}
+	var feeAmount int64
+	if req.Payment != 0 {
+		payment, err := l.svcCtx.PaymentModel.FindOne(l.ctx, req.Payment)
+		if err != nil {
+			l.Logger.Error("[PreCreateOrder] Database query error", logger.Field("error", err.Error()), logger.Field("payment", req.Payment))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find payment method error: %v", err.Error())
+		}
+		// Calculate the handling fee
+		if amount > 0 {
+			feeAmount = calculateFee(amount, payment)
+		}
+		amount += feeAmount
+	}
+
+	resp = &types.PreOrderResponse{
+		Price:          price,
+		Amount:         amount,
+		Discount:       discountAmount,
+		GiftAmount:     deductionAmount,
+		Coupon:         req.Coupon,
+		CouponDiscount: couponAmount,
+		FeeAmount:      feeAmount,
+	}
+	return
+}

internal/logic/public/order/purchaseLogic.go

@@ -0,0 +1,229 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+
+	"github.com/hibiken/asynq"
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+	queue "github.com/perfect-panel/ppanel-server/queue/types"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+)
+
+type PurchaseLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+const (
+	CloseOrderTimeMinutes = 15
+)
+
+// NewPurchaseLogic purchase Subscription
+func NewPurchaseLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PurchaseLogic {
+	return &PurchaseLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *PurchaseLogic) Purchase(req *types.PurchaseOrderRequest) (resp *types.PurchaseOrderResponse, err error) {
+
+	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")
+	}
+	// find user subscription
+	userSub, err := l.svcCtx.UserModel.QueryUserSubscribe(l.ctx, u.Id)
+	if err != nil {
+		l.Errorw("[Purchase] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find user subscription error: %v", err.Error())
+	}
+	if l.svcCtx.Config.Subscribe.SingleModel {
+		if len(userSub) > 0 {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.UserSubscribeExist), "user has subscription")
+		}
+	}
+
+	// find subscribe plan
+	sub, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, req.SubscribeId)
+
+	if err != nil {
+		l.Errorw("[Purchase] Database query error", logger.Field("error", err.Error()), logger.Field("subscribe_id", req.SubscribeId))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe error: %v", err.Error())
+	}
+	// check subscribe plan status
+	if !*sub.Sell {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "subscribe not sell")
+	}
+	// check subscribe plan limit
+	if sub.Quota > 0 {
+		var count int64
+		for _, v := range userSub {
+			if v.SubscribeId == req.SubscribeId {
+				count += 1
+			}
+		}
+		if count >= sub.Quota {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.SubscribeQuotaLimit), "quota limit")
+		}
+	}
+
+	var discount float64 = 1
+	if sub.Discount != "" {
+		var dis []types.SubscribeDiscount
+		_ = json.Unmarshal([]byte(sub.Discount), &dis)
+		discount = getDiscount(dis, req.Quantity)
+	}
+	price := sub.UnitPrice * req.Quantity
+	// discount amount
+	amount := int64(float64(price) * discount)
+	discountAmount := price - amount
+	var coupon int64 = 0
+	// Calculate the coupon deduction
+	if req.Coupon != "" {
+		couponInfo, err := l.svcCtx.CouponModel.FindOneByCode(l.ctx, req.Coupon)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotExist), "coupon not found")
+			}
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+		if couponInfo.Count <= couponInfo.UsedCount {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon used")
+		}
+		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)
+		if len(couponSub) > 0 && !tool.Contains(couponSub, req.SubscribeId) {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotApplicable), "coupon not match")
+		}
+		var count int64
+		err = l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
+			return tx.Model(&order.Order{}).Where("user_id = ? and coupon = ?", u.Id, req.Coupon).Count(&count).Error
+		})
+
+		if err != nil {
+			l.Errorw("[Purchase] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id), logger.Field("coupon", req.Coupon))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+		if count >= couponInfo.UserLimit {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon limit exceeded")
+		}
+		coupon = calculateCoupon(amount, couponInfo)
+	}
+	// Calculate the handling fee
+	amount -= coupon
+	var deductionAmount int64
+	// Check user deduction amount
+	if u.GiftAmount > 0 {
+		if u.GiftAmount >= amount {
+			deductionAmount = amount
+			amount = 0
+			u.GiftAmount -= amount
+		} else {
+			deductionAmount = u.GiftAmount
+			amount -= u.GiftAmount
+			u.GiftAmount = 0
+		}
+	}
+	// find payment method
+	payment, err := l.svcCtx.PaymentModel.FindOne(l.ctx, req.Payment)
+	if err != nil {
+		l.Logger.Error("[Purchase] Database query error", logger.Field("error", err.Error()), logger.Field("payment", req.Payment))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find payment method error: %v", err.Error())
+	}
+	var feeAmount int64
+	// Calculate the handling fee
+	if amount > 0 {
+		feeAmount = calculateFee(amount, payment)
+	}
+	// query user is new purchase or renewal
+	isNew, err := l.svcCtx.OrderModel.IsUserEligibleForNewOrder(l.ctx, u.Id)
+	if err != nil {
+		l.Errorw("[Purchase] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find user order error: %v", err.Error())
+	}
+	// create order
+	orderInfo := &order.Order{
+		UserId:         u.Id,
+		OrderNo:        tool.GenerateTradeNo(),
+		Type:           1,
+		Quantity:       req.Quantity,
+		Price:          price,
+		Amount:         amount,
+		Discount:       discountAmount,
+		GiftAmount:     deductionAmount,
+		Coupon:         req.Coupon,
+		CouponDiscount: coupon,
+		PaymentId:      payment.Id,
+		Method:         payment.Platform,
+		FeeAmount:      feeAmount,
+		Status:         1,
+		IsNew:          isNew,
+		SubscribeId:    req.SubscribeId,
+	}
+	// Database transaction
+	err = l.svcCtx.DB.Transaction(func(db *gorm.DB) error {
+		// update user deduction && Pre deduction ,Return after canceling the order
+		if orderInfo.GiftAmount > 0 {
+			// update user deduction && Pre deduction ,Return after canceling the order
+			if e := l.svcCtx.UserModel.Update(l.ctx, u, db); err != nil {
+				l.Errorw("[Purchase] Database update error", logger.Field("error", err.Error()), logger.Field("user", u))
+				return e
+			}
+			// create deduction record
+			giftAmountLog := user.GiftAmountLog{
+				UserId:  orderInfo.UserId,
+				OrderNo: orderInfo.OrderNo,
+				Amount:  orderInfo.GiftAmount,
+				Type:    2,
+				Balance: u.GiftAmount,
+				Remark:  "Purchase order deduction",
+			}
+			if e := db.Model(&user.GiftAmountLog{}).Create(&giftAmountLog).Error; e != nil {
+				l.Errorw("[Purchase] Database insert error",
+					logger.Field("error", err.Error()),
+					logger.Field("deductionLog", giftAmountLog),
+				)
+				return e
+			}
+		}
+		// insert order
+		return db.WithContext(l.ctx).Model(&order.Order{}).Create(&orderInfo).Error
+	})
+	if err != nil {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "insert order error: %v", err.Error())
+	}
+	// Deferred task
+	payload := queue.DeferCloseOrderPayload{
+		OrderNo: orderInfo.OrderNo,
+	}
+	val, err := json.Marshal(payload)
+	if err != nil {
+		l.Errorw("[CreateOrder] Marshal payload error", logger.Field("error", err.Error()), logger.Field("payload", payload))
+	}
+	task := asynq.NewTask(queue.DeferCloseOrder, val, asynq.MaxRetry(3))
+	taskInfo, err := l.svcCtx.Queue.Enqueue(task, asynq.ProcessIn(CloseOrderTimeMinutes*time.Minute))
+	if err != nil {
+		l.Errorw("[CreateOrder] Enqueue task error", logger.Field("error", err.Error()), logger.Field("task", task))
+	} else {
+		l.Infow("[CreateOrder] Enqueue task success", logger.Field("TaskID", taskInfo.ID))
+	}
+
+	return &types.PurchaseOrderResponse{
+		OrderNo: orderInfo.OrderNo,
+	}, nil
+}

internal/logic/public/order/queryOrderDetailLogic.go

@@ -0,0 +1,40 @@
+package order
+
+import (
+	"context"
+
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type QueryOrderDetailLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Get order
+func NewQueryOrderDetailLogic(ctx context.Context, svcCtx *svc.ServiceContext) *QueryOrderDetailLogic {
+	return &QueryOrderDetailLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *QueryOrderDetailLogic) QueryOrderDetail(req *types.QueryOrderDetailRequest) (resp *types.OrderDetail, err error) {
+	orderInfo, err := l.svcCtx.OrderModel.FindOneDetailsByOrderNo(l.ctx, req.OrderNo)
+	if err != nil {
+		l.Errorw("[QueryOrderDetail] Database query error", logger.Field("error", err.Error()), logger.Field("order_no", req.OrderNo))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find order error: %v", err.Error())
+	}
+	resp = &types.OrderDetail{}
+	tool.DeepCopy(resp, orderInfo)
+	// Prevent commission amount leakage
+	resp.Commission = 0
+	return
+}

internal/logic/public/order/queryOrderListLogic.go

@@ -0,0 +1,56 @@
+package order
+
+import (
+	"context"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type QueryOrderListLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Get order list
+func NewQueryOrderListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *QueryOrderListLogic {
+	return &QueryOrderListLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *QueryOrderListLogic) QueryOrderList(req *types.QueryOrderListRequest) (resp *types.QueryOrderListResponse, err error) {
+	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")
+	}
+	total, data, err := l.svcCtx.OrderModel.QueryOrderListByPage(l.ctx, req.Page, req.Size, 0, u.Id, 0, "")
+	if err != nil {
+		l.Errorw("[QueryOrderListLogic] Query order list failed", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "Query order list failed")
+	}
+	resp = &types.QueryOrderListResponse{
+		Total: total,
+		List:  make([]types.OrderDetail, 0),
+	}
+	for _, item := range data {
+		var orderInfo types.OrderDetail
+		tool.DeepCopy(&orderInfo, item)
+		// Prevent commission amount leakage
+		orderInfo.Commission = 0
+		resp.List = append(resp.List, orderInfo)
+	}
+
+	return
+}

internal/logic/public/order/rechargeLogic.go

@@ -0,0 +1,92 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+
+	"github.com/hibiken/asynq"
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	queue "github.com/perfect-panel/ppanel-server/queue/types"
+	"github.com/pkg/errors"
+)
+
+type RechargeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Recharge
+func NewRechargeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RechargeLogic {
+	return &RechargeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *RechargeLogic) Recharge(req *types.RechargeOrderRequest) (resp *types.RechargeOrderResponse, err error) {
+	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")
+	}
+	// find payment method
+	payment, err := l.svcCtx.PaymentModel.FindOne(l.ctx, req.Payment)
+	if err != nil {
+		l.Errorw("[Recharge] Database query error", logger.Field("error", err.Error()), logger.Field("payment", req.Payment))
+		return nil, errors.Wrapf(err, "find payment error: %v", err.Error())
+	}
+	// Calculate the handling fee
+	feeAmount := calculateFee(req.Amount, payment)
+	// query user is new purchase or renewal
+	isNew, err := l.svcCtx.OrderModel.IsUserEligibleForNewOrder(l.ctx, u.Id)
+	if err != nil {
+		l.Errorw("[Recharge] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id))
+		return nil, errors.Wrapf(err, "query user error: %v", err.Error())
+	}
+	orderInfo := order.Order{
+		UserId:    u.Id,
+		OrderNo:   tool.GenerateTradeNo(),
+		Type:      4,
+		Price:     req.Amount,
+		Amount:    req.Amount + feeAmount,
+		FeeAmount: feeAmount,
+		PaymentId: payment.Id,
+		Method:    payment.Platform,
+		Status:    1,
+		IsNew:     isNew,
+	}
+	err = l.svcCtx.OrderModel.Insert(l.ctx, &orderInfo)
+	if err != nil {
+		l.Errorw("[Recharge] Database insert error", logger.Field("error", err.Error()), logger.Field("order", orderInfo))
+		return nil, errors.Wrapf(err, "insert order error: %v", err.Error())
+	}
+	// Deferred task
+	payload := queue.DeferCloseOrderPayload{
+		OrderNo: orderInfo.OrderNo,
+	}
+	val, err := json.Marshal(payload)
+	if err != nil {
+		l.Errorw("[Recharge] Marshal payload error", logger.Field("error", err.Error()), logger.Field("payload", payload))
+	}
+	task := asynq.NewTask(queue.DeferCloseOrder, val, asynq.MaxRetry(3))
+	taskInfo, err := l.svcCtx.Queue.Enqueue(task, asynq.ProcessIn(CloseOrderTimeMinutes*time.Minute))
+	if err != nil {
+		l.Errorw("[Recharge] Enqueue task error", logger.Field("error", err.Error()), logger.Field("task", task))
+	} else {
+		l.Infow("[Recharge] Enqueue task success", logger.Field("TaskID", taskInfo.ID))
+	}
+	return &types.RechargeOrderResponse{
+		OrderNo: orderInfo.OrderNo,
+	}, nil
+}

internal/logic/public/order/renewalLogic.go

@@ -0,0 +1,197 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+
+	"gorm.io/gorm"
+
+	"github.com/hibiken/asynq"
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+	queue "github.com/perfect-panel/ppanel-server/queue/types"
+	"github.com/pkg/errors"
+)
+
+type RenewalLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Renewal Subscription
+func NewRenewalLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RenewalLogic {
+	return &RenewalLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *RenewalLogic) Renewal(req *types.RenewalOrderRequest) (resp *types.RenewalOrderResponse, err error) {
+	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")
+	}
+	orderNo := tool.GenerateTradeNo()
+	// find user subscribe
+	userSubscribe, err := l.svcCtx.UserModel.FindOneUserSubscribe(l.ctx, req.UserSubscribeID)
+	if err != nil {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find user subscribe error: %v", err.Error())
+	}
+	// find subscription
+	sub, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, userSubscribe.SubscribeId)
+	if err != nil {
+		l.Errorw("[Renewal] Database query error", logger.Field("error", err.Error()), logger.Field("subscribe_id", userSubscribe.SubscribeId))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe error: %v", err.Error())
+	}
+	// check subscribe plan status
+	if !*sub.Sell {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "subscribe not sell")
+	}
+	var discount float64 = 1
+	if sub.Discount != "" {
+		var dis []types.SubscribeDiscount
+		_ = json.Unmarshal([]byte(sub.Discount), &dis)
+		discount = getDiscount(dis, req.Quantity)
+	}
+	price := sub.UnitPrice * req.Quantity
+	amount := int64(float64(price) * discount)
+	discountAmount := price - amount
+	var coupon int64 = 0
+	if req.Coupon != "" {
+		couponInfo, err := l.svcCtx.CouponModel.FindOneByCode(l.ctx, req.Coupon)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotExist), "coupon not found")
+			}
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+		if couponInfo.Count <= couponInfo.UsedCount {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon used")
+		}
+		couponSub := tool.StringToInt64Slice(couponInfo.Subscribe)
+
+		if len(couponSub) > 0 && !tool.Contains(couponSub, sub.Id) {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponNotApplicable), "coupon not match")
+		}
+		var count int64
+		err = l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
+			return tx.Model(&order.Order{}).Where("user_id = ? and coupon = ?", u.Id, req.Coupon).Count(&count).Error
+		})
+		if err != nil {
+			l.Errorw("[Renewal] Database query error", logger.Field("error", err.Error()), logger.Field("user_id", u.Id), logger.Field("coupon", req.Coupon))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find coupon error: %v", err.Error())
+		}
+		if count >= couponInfo.UserLimit {
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.CouponInsufficientUsage), "coupon limit exceeded")
+		}
+		coupon = calculateCoupon(amount, couponInfo)
+	}
+	payment, err := l.svcCtx.PaymentModel.FindOne(l.ctx, req.Payment)
+	if err != nil {
+		l.Errorw("[Renewal] Database query error", logger.Field("error", err.Error()), logger.Field("payment", req.Payment))
+		return nil, errors.Wrapf(err, "find payment error: %v", err.Error())
+	}
+	amount -= coupon
+
+	var deductionAmount int64
+	// Check user deduction amount
+	if u.GiftAmount > 0 {
+		if u.GiftAmount >= amount {
+			deductionAmount = amount
+			amount = 0
+			u.GiftAmount -= amount
+		} else {
+			deductionAmount = u.GiftAmount
+			amount -= u.GiftAmount
+			u.GiftAmount = 0
+		}
+	}
+
+	var feeAmount int64
+	// Calculate the handling fee
+	if amount > 0 {
+		feeAmount = calculateFee(amount, payment)
+	}
+
+	amount += feeAmount
+
+	// create order
+	orderInfo := order.Order{
+		UserId:         u.Id,
+		ParentId:       userSubscribe.OrderId,
+		OrderNo:        orderNo,
+		Type:           2,
+		Quantity:       req.Quantity,
+		Price:          price,
+		Amount:         amount,
+		GiftAmount:     deductionAmount,
+		Discount:       discountAmount,
+		Coupon:         req.Coupon,
+		CouponDiscount: coupon,
+		PaymentId:      payment.Id,
+		Method:         payment.Platform,
+		FeeAmount:      feeAmount,
+		Status:         1,
+		SubscribeId:    userSubscribe.SubscribeId,
+		SubscribeToken: userSubscribe.Token,
+	}
+	// Database transaction
+	err = l.svcCtx.DB.Transaction(func(db *gorm.DB) error {
+		// update user deduction && Pre deduction ,Return after canceling the order
+		if orderInfo.GiftAmount > 0 {
+			// update user deduction && Pre deduction ,Return after canceling the order
+			if err := l.svcCtx.UserModel.Update(l.ctx, u, db); err != nil {
+				l.Errorw("[Purchase] Database update error", logger.Field("error", err.Error()), logger.Field("user", u))
+				return err
+			}
+			// create deduction record
+			deductionLog := user.GiftAmountLog{
+				UserId:  orderInfo.UserId,
+				OrderNo: orderInfo.OrderNo,
+				Amount:  orderInfo.GiftAmount,
+				Type:    2,
+				Balance: u.GiftAmount,
+				Remark:  "Renewal order deduction",
+			}
+			if err := db.Model(&user.GiftAmountLog{}).Create(&deductionLog).Error; err != nil {
+				l.Errorw("[Renewal] Database insert error", logger.Field("error", err.Error()), logger.Field("deductionLog", deductionLog))
+				return err
+			}
+		}
+		// insert order
+		return db.Model(&order.Order{}).Create(&orderInfo).Error
+	})
+	if err != nil {
+		l.Errorw("[Renewal] Database insert error", logger.Field("error", err.Error()), logger.Field("order", orderInfo))
+		return nil, errors.Wrapf(err, "insert order error: %v", err.Error())
+	}
+	// Deferred task
+	payload := queue.DeferCloseOrderPayload{
+		OrderNo: orderInfo.OrderNo,
+	}
+	val, err := json.Marshal(payload)
+	if err != nil {
+		l.Errorw("[Renewal] Marshal payload error", logger.Field("error", err.Error()), logger.Field("payload", payload))
+	}
+	task := asynq.NewTask(queue.DeferCloseOrder, val, asynq.MaxRetry(3))
+	taskInfo, err := l.svcCtx.Queue.Enqueue(task, asynq.ProcessIn(CloseOrderTimeMinutes*time.Minute))
+	if err != nil {
+		l.Errorw("[Renewal] Enqueue task error", logger.Field("error", err.Error()), logger.Field("task", task))
+	} else {
+		l.Infow("[Renewal] Enqueue task success", logger.Field("TaskID", taskInfo.ID))
+	}
+	return &types.RenewalOrderResponse{
+		OrderNo: orderInfo.OrderNo,
+	}, nil
+}

internal/logic/public/order/resetTrafficLogic.go

@@ -0,0 +1,145 @@
+package order
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/perfect-panel/ppanel-server/pkg/constant"
+	"github.com/perfect-panel/ppanel-server/pkg/xerr"
+
+	"gorm.io/gorm"
+
+	"github.com/hibiken/asynq"
+	"github.com/perfect-panel/ppanel-server/internal/model/order"
+	"github.com/perfect-panel/ppanel-server/internal/model/user"
+	"github.com/perfect-panel/ppanel-server/internal/svc"
+	"github.com/perfect-panel/ppanel-server/internal/types"
+	"github.com/perfect-panel/ppanel-server/pkg/logger"
+	"github.com/perfect-panel/ppanel-server/pkg/tool"
+	queue "github.com/perfect-panel/ppanel-server/queue/types"
+	"github.com/pkg/errors"
+)
+
+type ResetTrafficLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Reset traffic
+func NewResetTrafficLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ResetTrafficLogic {
+	return &ResetTrafficLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *ResetTrafficLogic) ResetTraffic(req *types.ResetTrafficOrderRequest) (resp *types.ResetTrafficOrderResponse, err error) {
+	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")
+	}
+	// find user subscription
+	userSubscribe, err := l.svcCtx.UserModel.FindOneUserSubscribe(l.ctx, req.UserSubscribeID)
+	if err != nil {
+		l.Errorw("[ResetTraffic] Database query error", logger.Field("error", err.Error()), logger.Field("UserSubscribeID", req.UserSubscribeID))
+		return nil, errors.Wrapf(err, "find user subscribe error: %v", err.Error())
+	}
+	if userSubscribe.Subscribe == nil {
+		l.Errorw("[ResetTraffic] subscribe not found", logger.Field("UserSubscribeID", req.UserSubscribeID))
+		return nil, errors.New("subscribe not found")
+	}
+	amount := userSubscribe.Subscribe.Replacement
+	var deductionAmount int64
+	// Check user deduction amount
+	if u.GiftAmount > 0 {
+		if u.GiftAmount >= amount {
+			deductionAmount = amount
+			amount = 0
+			u.GiftAmount -= amount
+		} else {
+			deductionAmount = u.GiftAmount
+			amount -= u.GiftAmount
+			u.GiftAmount = 0
+		}
+	}
+	// find payment method
+	payment, err := l.svcCtx.PaymentModel.FindOne(l.ctx, req.Payment)
+	if err != nil {
+		l.Errorw("[ResetTraffic] Database query error", logger.Field("error", err.Error()), logger.Field("payment", req.Payment))
+		return nil, errors.Wrapf(err, "find payment error: %v", err.Error())
+	}
+	var feeAmount int64
+	// Calculate the handling fee
+	if amount > 0 {
+		feeAmount = calculateFee(amount, payment)
+	}
+	// create order
+	orderInfo := order.Order{
+		Id:             0,
+		ParentId:       userSubscribe.OrderId,
+		UserId:         u.Id,
+		OrderNo:        tool.GenerateTradeNo(),
+		Type:           3,
+		Price:          userSubscribe.Subscribe.Replacement,
+		Amount:         amount + feeAmount,
+		GiftAmount:     deductionAmount,
+		FeeAmount:      feeAmount,
+		PaymentId:      payment.Id,
+		Method:         payment.Platform,
+		Status:         1,
+		SubscribeId:    userSubscribe.SubscribeId,
+		SubscribeToken: userSubscribe.Token,
+	}
+	// Database transaction
+	err = l.svcCtx.DB.Transaction(func(db *gorm.DB) error {
+		// update user deduction && Pre deduction ,Return after canceling the order
+		if orderInfo.GiftAmount > 0 {
+			// update user deduction && Pre deduction ,Return after canceling the order
+			if err := l.svcCtx.UserModel.Update(l.ctx, u, db); err != nil {
+				l.Errorw("[ResetTraffic] Database update error", logger.Field("error", err.Error()), logger.Field("user", u))
+				return err
+			}
+			// create deduction record
+			deductionLog := user.GiftAmountLog{
+				UserId:  orderInfo.UserId,
+				OrderNo: orderInfo.OrderNo,
+				Amount:  orderInfo.GiftAmount,
+				Type:    2,
+				Balance: u.GiftAmount,
+				Remark:  "ResetTraffic order deduction",
+			}
+			if err := db.Model(&user.GiftAmountLog{}).Create(&deductionLog).Error; err != nil {
+				l.Errorw("[ResetTraffic] Database insert error", logger.Field("error", err.Error()), logger.Field("deductionLog", deductionLog))
+				return err
+			}
+		}
+		// insert order
+		return db.Model(&order.Order{}).Create(&orderInfo).Error
+	})
+	if err != nil {
+		l.Errorw("[ResetTraffic] Database insert error", logger.Field("error", err.Error()), logger.Field("order", orderInfo))
+		return nil, errors.Wrapf(err, "insert order error: %v", err.Error())
+	}
+	// Deferred task
+	payload := queue.DeferCloseOrderPayload{
+		OrderNo: orderInfo.OrderNo,
+	}
+	val, err := json.Marshal(payload)
+	if err != nil {
+		l.Errorw("[ResetTraffic] Marshal payload error", logger.Field("error", err.Error()), logger.Field("payload", payload))
+	}
+	task := asynq.NewTask(queue.DeferCloseOrder, val, asynq.MaxRetry(3))
+	taskInfo, err := l.svcCtx.Queue.Enqueue(task, asynq.ProcessIn(CloseOrderTimeMinutes*time.Minute))
+	if err != nil {
+		l.Errorw("[ResetTraffic] Enqueue task error", logger.Field("error", err.Error()), logger.Field("task", task))
+	} else {
+		l.Infow("[ResetTraffic] Enqueue task success", logger.Field("TaskID", taskInfo.ID))
+	}
+	return &types.ResetTrafficOrderResponse{
+		OrderNo: orderInfo.OrderNo,
+	}, nil
+}