init: 1.0.0

2025-04-25 12:08:29 +09:00
commit 8addcc584b
1031 changed files with 76472 additions and 0 deletions
@@ -0,0 +1,173 @@
+package portal
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/perfect-panel/ppanel-server/pkg/payment"
+
+	"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/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"
+	"gorm.io/gorm"
+)
+
+type PurchaseLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// NewPurchaseLogic Purchase subscription
+func NewPurchaseLogic(ctx context.Context, svcCtx *svc.ServiceContext) *PurchaseLogic {
+	return &PurchaseLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+const (
+	CloseOrderTimeMinutes = 15
+)
+
+func (l *PurchaseLogic) Purchase(req *types.PortalPurchaseRequest) (resp *types.PortalPurchaseResponse, err error) {
+	// find user auth
+	userAuth, err := l.svcCtx.UserModel.FindUserAuthMethodByOpenID(l.ctx, req.AuthType, req.Identifier)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find user auth error: %v", err.Error())
+	}
+	if userAuth.UserId != 0 {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.UserExist), "user already exists")
+	}
+	// 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")
+	}
+	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 couponAmount 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")
+		}
+
+		couponAmount = calculateCoupon(amount, couponInfo)
+	}
+	// Calculate the handling fee
+	amount -= couponAmount
+	var deductionAmount int64
+	// find payment method
+	paymentConfig, 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.PaymentMethodNotFound), "find payment method error: %v", err.Error())
+	}
+
+	if payment.ParsePlatform(paymentConfig.Platform) == payment.Balance {
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.PaymentMethodNotFound), "balance error")
+	}
+
+	var feeAmount int64
+	// Calculate the handling fee
+	if amount > 0 {
+		feeAmount = calculateFee(amount, paymentConfig)
+	}
+	// create order
+	orderInfo := &order.Order{
+		OrderNo:        tool.GenerateTradeNo(),
+		Type:           1,
+		Quantity:       req.Quantity,
+		Price:          price,
+		Amount:         amount,
+		Discount:       discountAmount,
+		GiftAmount:     deductionAmount,
+		Coupon:         req.Coupon,
+		CouponDiscount: couponAmount,
+		PaymentId:      req.Payment,
+		Method:         paymentConfig.Platform,
+		FeeAmount:      feeAmount,
+		Status:         1,
+		IsNew:          true,
+		SubscribeId:    req.SubscribeId,
+	}
+	// save order
+	err = l.svcCtx.DB.Transaction(func(tx *gorm.DB) error {
+		// save guest order and user information
+		tempOrder := constant.TemporaryOrderInfo{
+			OrderNo:    orderInfo.OrderNo,
+			Identifier: req.Identifier,
+			AuthType:   req.AuthType,
+			Password:   req.Password,
+			InviteCode: req.InviteCode,
+		}
+		if _, err = l.svcCtx.Redis.Set(l.ctx, fmt.Sprintf(constant.TempOrderCacheKey, orderInfo.OrderNo), tempOrder.Marshal(), CloseOrderTimeMinutes*time.Minute).Result(); err != nil {
+			l.Errorw("[Purchase] Redis set error", logger.Field("error", err.Error()), logger.Field("order_no", orderInfo.OrderNo))
+			return err
+		}
+		l.Infow("[Purchase] Guest order", logger.Field("order_no", orderInfo.OrderNo), logger.Field("identifier", req.Identifier))
+		// save guest order
+		if err := l.svcCtx.OrderModel.Insert(l.ctx, orderInfo, tx); err != nil {
+			return err
+		}
+		return nil
+	})
+	if err != nil {
+		l.Errorw("[Purchase] Database transaction error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "transaction error: %v", err.Error())
+	}
+	// Deferred task
+	payload := queue.DeferCloseOrderPayload{
+		OrderNo: orderInfo.OrderNo,
+	}
+	val, err := json.Marshal(payload)
+	if err != nil {
+		l.Errorw("[CloseOrder Task] 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("[CloseOrder Task] Enqueue task error", logger.Field("error", err.Error()), logger.Field("task", taskInfo))
+	} else {
+		l.Infow("[CloseOrder Task] Enqueue task success", logger.Field("TaskID", taskInfo.ID))
+	}
+	resp = &types.PortalPurchaseResponse{OrderNo: orderInfo.OrderNo}
+	return resp, nil
+}