650 lines
20 KiB
Go
650 lines
20 KiB
Go
package order
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import (
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"backend/internal/dto"
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"backend/internal/model"
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customersvc "backend/internal/service/customer"
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"backend/internal/service/payment"
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"backend/utils"
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"errors"
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"fmt"
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"math"
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"strings"
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"time"
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"gorm.io/gorm"
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)
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// OrderService 订单业务逻辑层 // Logan.Li
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type OrderService struct {
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db *gorm.DB
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}
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// NewOrderService 创建 service 实例 // Logan.Li
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func NewOrderService(db *gorm.DB) *OrderService {
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return &OrderService{db: db}
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}
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// List 分页查询订单 // Logan.Li
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func (s *OrderService) List(page, pageSize int, status string, productID uint) ([]dto.OrderResponse, int64, error) {
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var orders []model.Order
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var total int64
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query := s.db.Model(&model.Order{}).Preload("Customer").Preload("Product").Preload("Plan")
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if status != "" {
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query = query.Where("status = ?", status)
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}
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if productID > 0 {
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query = query.Where("product_id = ?", productID)
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}
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query.Count(&total)
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if err := query.Order("created_at DESC").
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Offset((page - 1) * pageSize).Limit(pageSize).
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Find(&orders).Error; err != nil {
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return nil, 0, err
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}
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results := make([]dto.OrderResponse, 0, len(orders))
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for _, o := range orders {
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results = append(results, toOrderResponse(o))
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}
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return results, total, nil
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}
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// GetByID 获取订单详情 // Logan.Li
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func (s *OrderService) GetByID(id uint) (*dto.OrderResponse, error) {
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var order model.Order
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if err := s.db.Preload("Customer").Preload("Product").Preload("Plan").First(&order, id).Error; err != nil {
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return nil, errors.New("订单不存在")
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}
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resp := toOrderResponse(order)
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return &resp, nil
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}
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// CreateOrder 客户端下单（含防重复购买检查） // Logan.Li
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func (s *OrderService) CreateOrder(req dto.CreateOrderRequest, clientIP, userAgent string) (*dto.CreateOrderResponse, error) {
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// 1. 查找或创建客户 // Logan.Li
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var customer model.Customer
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if err := s.db.Where("email = ?", req.CustomerEmail).First(&customer).Error; err != nil {
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name := req.CustomerName
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if name == "" {
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name = req.CustomerEmail
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}
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customer = model.Customer{Name: name, Email: req.CustomerEmail, Status: 1}
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if err := s.db.Create(&customer).Error; err != nil {
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return nil, errors.New("创建客户失败")
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}
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}
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// 2. 解析产品与计划：优先 product_code / plan_type，否则要求 ProductID+PlanID // Logan.Li
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var product model.Product
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var plan model.Plan
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productCode := strings.TrimSpace(req.ProductCode)
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planType := strings.TrimSpace(req.PlanType)
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if productCode != "" {
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if err := s.db.Where("code = ?", productCode).First(&product).Error; err != nil {
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return nil, errors.New("产品不存在")
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}
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if planType == "" {
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planType = "perpetual"
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}
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if err := s.db.Where("product_id = ? AND plan_type = ? AND status = ?", product.ID, planType, 1).
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Order("sort_order ASC").First(&plan).Error; err != nil {
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return nil, fmt.Errorf("未找到计划: product=%s plan_type=%s", productCode, planType)
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}
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} else {
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if req.ProductID == 0 || req.PlanID == 0 {
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return nil, errors.New("请提供 product_code/plan_type 或 product_id/plan_id")
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}
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if err := s.db.First(&product, req.ProductID).Error; err != nil {
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return nil, errors.New("产品不存在")
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}
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if err := s.db.First(&plan, req.PlanID).Error; err != nil {
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return nil, errors.New("定价计划不存在")
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}
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if plan.ProductID != product.ID {
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return nil, errors.New("定价计划与产品不匹配")
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}
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}
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// 3. 防重复购买检查 // Logan.Li
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checkResult := s.CheckDuplicatePurchase(customer.ID, product.ID, plan.PlanType)
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if !checkResult.AllowPurchase {
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return nil, fmt.Errorf("重复购买拦截: %s", checkResult.Reason)
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}
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// 4. 仅对接 Waffo（禁用其它网关） // Logan.Li
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var gateway model.PaymentGatewayConfig
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if err := s.db.Where("gateway = ? AND enabled = ?", "waffo", true).First(&gateway).Error; err != nil {
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return nil, errors.New("Waffo 支付未启用，请先在「支付」页配置")
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}
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_ = s.db.Model(&model.PaymentGatewayConfig{}).
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Where("gateway <> ? AND enabled = ?", "waffo", true).
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Updates(map[string]interface{}{"enabled": false, "priority": 100}).Error
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notes := ""
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if deviceID := strings.TrimSpace(req.DeviceID); deviceID != "" {
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notes = fmt.Sprintf(`{"device_id":"%s"}`, deviceID)
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}
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// 5. 创建订单 // Logan.Li
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order := model.Order{
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OrderNo: utils.GenerateOrderNo(),
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CustomerID: customer.ID,
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ProductID: product.ID,
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PlanID: plan.ID,
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Amount: plan.Price,
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Currency: plan.Currency,
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Status: "pending",
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PaymentGateway: "waffo",
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ClientIP: clientIP,
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UserAgent: userAgent,
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Notes: notes,
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}
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if err := s.db.Create(&order).Error; err != nil {
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return nil, errors.New("创建订单失败")
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}
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_ = customersvc.AttachProduct(s.db, customer.ID, product.ID)
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// 6. 生成 Waffo 收银台地址 // Logan.Li
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checkoutURL, err := payment.BuildCheckoutURL(
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payment.LoadWaffoConfig(s.db),
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order.OrderNo,
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strings.TrimSpace(req.DeviceID),
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req.CustomerEmail,
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req.ReturnURL,
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plan.PlanType,
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)
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if err != nil {
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return nil, fmt.Errorf("Waffo 收银台配置错误: %v", err)
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}
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return &dto.CreateOrderResponse{
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OrderNo: order.OrderNo,
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CheckoutURL: checkoutURL,
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Amount: plan.Price,
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Currency: plan.Currency,
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Status: "pending",
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Gateway: "waffo",
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ExpiresAt: time.Now().Add(30 * time.Minute).Format("2006-01-02 15:04:05"),
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}, nil
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}
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// Checkout desktop-friendly entry: defaults product_code=opsxshell, plan_type=perpetual. // Logan.Li
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func (s *OrderService) Checkout(req dto.CheckoutRequest, clientIP, userAgent string) (*dto.CreateOrderResponse, error) {
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productCode := strings.TrimSpace(req.ProductCode)
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if productCode == "" {
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productCode = "opsxshell"
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}
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planType := strings.TrimSpace(req.PlanType)
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if planType == "" {
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planType = "perpetual"
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}
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return s.CreateOrder(dto.CreateOrderRequest{
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CustomerEmail: req.CustomerEmail,
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CustomerName: req.CustomerName,
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ProductCode: productCode,
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PlanType: planType,
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DeviceID: req.DeviceID,
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ReturnURL: req.ReturnURL,
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CancelURL: req.CancelURL,
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}, clientIP, userAgent)
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}
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// ClaimPurchase 领取授权：必须同时提供 order_no + customer_email，防止仅凭邮箱取证 // Logan.Li
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func (s *OrderService) ClaimPurchase(req dto.ClaimPurchaseRequest) (*dto.ClaimPurchaseResponse, error) {
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orderNo := strings.TrimSpace(req.OrderNo)
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email := strings.TrimSpace(req.CustomerEmail)
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if orderNo == "" || email == "" {
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return nil, errors.New("请同时提供 order_no 与 customer_email")
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}
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var order model.Order
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if err := s.db.Preload("Customer").Where("order_no = ?", orderNo).First(&order).Error; err != nil {
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return nil, errors.New("订单不存在")
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}
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if order.Customer.ID == 0 {
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if err := s.db.First(&order.Customer, order.CustomerID).Error; err != nil {
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return nil, errors.New("订单客户不存在")
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}
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}
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if !strings.EqualFold(strings.TrimSpace(order.Customer.Email), email) {
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return nil, errors.New("订单与邮箱不匹配")
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}
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switch order.Status {
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case "pending":
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return &dto.ClaimPurchaseResponse{
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OrderNo: order.OrderNo,
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Status: "pending",
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Message: "订单尚未支付完成，请稍后再试",
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}, nil
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case "paid":
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licenseKey := ""
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if order.LicenseID > 0 {
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var lic model.License
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if err := s.db.First(&lic, order.LicenseID).Error; err == nil {
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licenseKey = lic.LicenseKey
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}
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}
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if licenseKey == "" {
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var ent model.CustomerEntitlement
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if err := s.db.Where("customer_id = ? AND product_id = ? AND status = ?", order.CustomerID, order.ProductID, "active").
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First(&ent).Error; err == nil {
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licenseKey = ent.LicenseKey
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}
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}
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if licenseKey == "" {
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return &dto.ClaimPurchaseResponse{
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OrderNo: order.OrderNo,
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Status: "paid",
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Message: "订单已支付，但 License 尚未就绪",
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}, nil
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}
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return &dto.ClaimPurchaseResponse{
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LicenseKey: licenseKey,
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OrderNo: order.OrderNo,
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Status: "paid",
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Message: "ok",
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}, nil
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default:
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return &dto.ClaimPurchaseResponse{
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OrderNo: order.OrderNo,
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Status: order.Status,
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Message: fmt.Sprintf("订单状态为 %s，无法领取授权", order.Status),
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}, nil
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}
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}
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// resolveWebhookOrder 仅按 order_no / gateway_order_no 匹配，禁止邮箱兜底劫持 // Logan.Li
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func (s *OrderService) resolveWebhookOrder(req dto.PaymentWebhookRequest) (model.Order, error) {
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var order model.Order
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if no := strings.TrimSpace(req.OrderNo); no != "" {
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if err := s.db.Where("order_no = ?", no).First(&order).Error; err == nil {
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return order, nil
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}
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// Hosted-store mistaken: Waffo ORD_ put in OrderNo — try gateway column. // Logan.Li
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if err := s.db.Where("gateway_order_no = ?", no).First(&order).Error; err == nil {
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return order, nil
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}
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}
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if g := strings.TrimSpace(req.GatewayOrderNo); g != "" {
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if err := s.db.Where("gateway_order_no = ?", g).First(&order).Error; err == nil {
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return order, nil
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}
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}
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return order, errors.New("订单不存在")
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}
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// PaymentWebhook 支付回调：原子状态流转 + 金额校验 + 退款可达 // Logan.Li
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func (s *OrderService) PaymentWebhook(req dto.PaymentWebhookRequest, clientIP string) error {
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status := strings.ToLower(strings.TrimSpace(req.Status))
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if status == "completed" {
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status = "paid"
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}
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switch status {
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case "paid", "failed", "cancelled", "refunded":
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default:
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return nil // 未识别状态直接忽略 // Logan.Li
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}
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order, err := s.resolveWebhookOrder(req)
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if err != nil {
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return err
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}
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// 金额/货币校验（有金额时） // Logan.Li
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if req.Amount > 0 && (math.Abs(req.Amount-order.Amount) > 0.005 ||
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(req.Currency != "" && !strings.EqualFold(req.Currency, order.Currency))) {
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utils.LogSystemAction(s.db, "payment_amount_mismatch", "order", order.ID, order.OrderNo,
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fmt.Sprintf("webhook %.2f%s 与订单 %.2f%s 不符", req.Amount, req.Currency, order.Amount, order.Currency), clientIP)
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return errors.New("支付金额与订单不符")
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}
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now := time.Now()
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updates := map[string]interface{}{
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"payment_gateway": req.Gateway,
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"payment_method": req.Gateway,
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}
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if g := strings.TrimSpace(req.GatewayOrderNo); g != "" {
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updates["gateway_order_no"] = g
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}
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switch status {
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case "paid":
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updates["status"] = "paid"
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updates["paid_at"] = now
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case "refunded":
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updates["status"] = "refunded"
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updates["refund_at"] = now
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default:
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updates["status"] = status
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}
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// 原子状态流转：refund 只允许 paid→refunded；paid/failed/cancelled 只允许非终态 // Logan.Li
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res := s.db.Model(&model.Order{}).Where("id = ?", order.ID).
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Where("(status NOT IN ('paid','refunded') AND ? IN ('paid','failed','cancelled')) OR (status = 'paid' AND ? = 'refunded')",
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status, status).
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Updates(updates)
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if res.Error != nil {
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return res.Error
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}
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if res.RowsAffected == 0 {
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return nil // 幂等：已处理或非法流转 // Logan.Li
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}
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return s.db.Transaction(func(tx *gorm.DB) error {
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switch status {
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case "paid":
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var plan model.Plan
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if err := tx.First(&plan, order.PlanID).Error; err != nil {
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return fmt.Errorf("plan 不存在: %w", err)
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}
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var validUntil *time.Time
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var endDate time.Time
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if plan.Duration == 0 {
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endDate = model.PermanentEndDate
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} else {
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endDate = now.AddDate(0, 0, plan.Duration)
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validUntil = &endDate
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}
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lic := model.License{
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LicenseKey: utils.GenerateLicenseKey(),
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CustomerID: order.CustomerID,
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ProductID: order.ProductID,
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Status: model.LicenseStatusActive,
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StartDate: now,
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EndDate: endDate,
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Duration: plan.Duration,
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MaxActivations: plan.MaxDevices,
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}
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if err := tx.Create(&lic).Error; err != nil {
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return err
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}
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_ = customersvc.AttachProduct(tx, order.CustomerID, order.ProductID)
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if err := tx.Model(&model.Order{}).Where("id = ?", order.ID).
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Update("license_id", lic.ID).Error; err != nil {
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return err
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}
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renewable := plan.PlanType != "perpetual" && plan.PlanType != "lifetime"
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var ent model.CustomerEntitlement
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entResult := tx.Where("customer_id = ? AND product_id = ?", order.CustomerID, order.ProductID).First(&ent)
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if entResult.Error != nil {
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ent = model.CustomerEntitlement{
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CustomerID: order.CustomerID,
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ProductID: order.ProductID,
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PlanID: order.PlanID,
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LicenseID: lic.ID,
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LicenseKey: lic.LicenseKey,
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PlanType: plan.PlanType,
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Status: "active",
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ValidFrom: now,
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ValidUntil: validUntil,
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Renewable: renewable,
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}
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if err := tx.Create(&ent).Error; err != nil {
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return err
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}
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} else {
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ent.PlanID = order.PlanID
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ent.LicenseID = lic.ID
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ent.LicenseKey = lic.LicenseKey
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ent.PlanType = plan.PlanType
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ent.Status = "active"
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ent.ValidFrom = now
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ent.ValidUntil = validUntil
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ent.Renewable = renewable
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if err := tx.Save(&ent).Error; err != nil {
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return err
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}
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}
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utils.LogSystemAction(tx, "payment_completed", "order", order.ID, order.OrderNo,
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fmt.Sprintf("订单支付成功，已发放 License: %s", lic.LicenseKey), clientIP)
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case "refunded":
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if order.LicenseID > 0 {
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if err := tx.Model(&model.License{}).Where("id = ?", order.LicenseID).
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Updates(map[string]interface{}{
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"status": model.LicenseStatusRevoked,
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"revoke_reason": "订单退款",
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}).Error; err != nil {
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return err
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}
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if err := tx.Model(&model.CustomerEntitlement{}).Where("license_id = ?", order.LicenseID).
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Update("status", "revoked").Error; err != nil {
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return err
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}
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}
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utils.LogSystemAction(tx, "payment_refunded", "order", order.ID, order.OrderNo,
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"订单退款，已吊销关联授权", clientIP)
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}
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return nil
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})
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}
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// ManualGrant 手动发放 License（管理后台） // Logan.Li
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func (s *OrderService) ManualGrant(req dto.ManualGrantRequest, operatorID uint, operatorName, clientIP string) (map[string]interface{}, error) {
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// 查找或创建客户 // Logan.Li
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var customer model.Customer
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if err := s.db.Where("email = ?", req.CustomerEmail).First(&customer).Error; err != nil {
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name := req.CustomerName
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if name == "" {
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name = req.CustomerEmail
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}
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customer = model.Customer{Name: name, Email: req.CustomerEmail, Status: 1}
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if err := s.db.Create(&customer).Error; err != nil {
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return nil, errors.New("创建客户失败")
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}
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}
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var plan model.Plan
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if err := s.db.First(&plan, req.PlanID).Error; err != nil {
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return nil, errors.New("定价计划不存在")
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}
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now := time.Now()
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var endDate time.Time
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var validUntil *time.Time
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if plan.Duration == 0 {
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endDate = model.PermanentEndDate
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} else {
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endDate = now.AddDate(0, 0, plan.Duration)
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validUntil = &endDate
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}
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lic := model.License{
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LicenseKey: utils.GenerateLicenseKey(),
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CustomerID: customer.ID,
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ProductID: req.ProductID,
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Status: model.LicenseStatusActive,
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StartDate: now,
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EndDate: endDate,
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Duration: plan.Duration,
|
||
MaxActivations: plan.MaxDevices,
|
||
Notes: req.Notes,
|
||
}
|
||
if err := s.db.Create(&lic).Error; err != nil {
|
||
return nil, errors.New("创建 License 失败")
|
||
}
|
||
_ = customersvc.AttachProduct(s.db, customer.ID, req.ProductID)
|
||
|
||
// 创建/更新权益记录 // Logan.Li
|
||
renewable := plan.PlanType != "perpetual" && plan.PlanType != "lifetime"
|
||
var ent model.CustomerEntitlement
|
||
if err := s.db.Where("customer_id = ? AND product_id = ?", customer.ID, req.ProductID).First(&ent).Error; err != nil {
|
||
ent = model.CustomerEntitlement{
|
||
CustomerID: customer.ID, ProductID: req.ProductID, PlanID: req.PlanID,
|
||
LicenseID: lic.ID, LicenseKey: lic.LicenseKey, PlanType: plan.PlanType,
|
||
Status: "active", ValidFrom: now, ValidUntil: validUntil, Renewable: renewable,
|
||
}
|
||
s.db.Create(&ent)
|
||
} else {
|
||
ent.PlanID = req.PlanID
|
||
ent.LicenseID = lic.ID
|
||
ent.LicenseKey = lic.LicenseKey
|
||
ent.PlanType = plan.PlanType
|
||
ent.Status = "active"
|
||
ent.ValidFrom = now
|
||
ent.ValidUntil = validUntil
|
||
ent.Renewable = renewable
|
||
s.db.Save(&ent)
|
||
}
|
||
|
||
utils.LogSystemAction(s.db, "manual_grant", "license", lic.ID, lic.LicenseKey,
|
||
fmt.Sprintf("手动发放 License: %s 给客户 %s", lic.LicenseKey, req.CustomerEmail), clientIP)
|
||
|
||
return map[string]interface{}{
|
||
"license_key": lic.LicenseKey,
|
||
"license_id": lic.ID,
|
||
"customer_id": customer.ID,
|
||
}, nil
|
||
}
|
||
|
||
// CheckDuplicatePurchase 防重复购买检测 // Logan.Li
|
||
func (s *OrderService) CheckDuplicatePurchase(customerID, productID uint, newPlanType string) dto.DuplicatePurchaseCheckResponse {
|
||
var entitlements []model.CustomerEntitlement
|
||
s.db.Where("customer_id = ? AND product_id = ?", customerID, productID).Find(&entitlements)
|
||
|
||
if len(entitlements) == 0 {
|
||
return dto.DuplicatePurchaseCheckResponse{AllowPurchase: true}
|
||
}
|
||
|
||
// 已有有效的永久/买断授权：禁止重复购买，但可升级 // Logan.Li
|
||
for _, ent := range entitlements {
|
||
if ent.Status != "active" {
|
||
continue
|
||
}
|
||
switch ent.PlanType {
|
||
case "perpetual", "lifetime":
|
||
return dto.DuplicatePurchaseCheckResponse{
|
||
AllowPurchase: false,
|
||
Reason: "您已拥有该产品的永久授权，无需重复购买",
|
||
ExistingEntitlementID: ent.ID,
|
||
ExistingLicenseKey: ent.LicenseKey,
|
||
ExistingPlanType: ent.PlanType,
|
||
CanUpgrade: true,
|
||
}
|
||
case "monthly", "yearly":
|
||
// 订阅可续费 // Logan.Li
|
||
if ent.Renewable && (newPlanType == "monthly" || newPlanType == "yearly") {
|
||
return dto.DuplicatePurchaseCheckResponse{
|
||
AllowPurchase: true,
|
||
Reason: "您有有效的订阅，将为您续费",
|
||
ExistingEntitlementID: ent.ID,
|
||
ExistingLicenseKey: ent.LicenseKey,
|
||
ExistingPlanType: ent.PlanType,
|
||
CanUpgrade: true,
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 已过期但可续费 // Logan.Li
|
||
for _, ent := range entitlements {
|
||
if ent.Status == "expired" && ent.Renewable {
|
||
return dto.DuplicatePurchaseCheckResponse{
|
||
AllowPurchase: true,
|
||
Reason: "您的订阅已过期，可以续费恢复",
|
||
ExistingEntitlementID: ent.ID,
|
||
ExistingLicenseKey: ent.LicenseKey,
|
||
ExistingPlanType: ent.PlanType,
|
||
CanUpgrade: true,
|
||
}
|
||
}
|
||
}
|
||
|
||
return dto.DuplicatePurchaseCheckResponse{AllowPurchase: true}
|
||
}
|
||
|
||
// CheckPurchaseStatus 查询购买状态 // Logan.Li
|
||
func (s *OrderService) CheckPurchaseStatus(customerEmail string, productID uint) (*dto.CheckPurchaseStatusResponse, error) {
|
||
var customer model.Customer
|
||
if err := s.db.Where("email = ?", customerEmail).First(&customer).Error; err != nil {
|
||
return &dto.CheckPurchaseStatusResponse{
|
||
Purchased: false, HasActiveLicense: false, Message: "未找到购买记录",
|
||
}, nil
|
||
}
|
||
|
||
var ent model.CustomerEntitlement
|
||
if err := s.db.Where("customer_id = ? AND product_id = ?", customer.ID, productID).
|
||
Preload("Plan").First(&ent).Error; err != nil {
|
||
return &dto.CheckPurchaseStatusResponse{
|
||
Purchased: false, HasActiveLicense: false, Message: "未购买该产品",
|
||
}, nil
|
||
}
|
||
|
||
daysLeft := 0
|
||
if ent.ValidUntil != nil {
|
||
daysLeft = utils.CalculateDaysLeft(*ent.ValidUntil)
|
||
}
|
||
|
||
// 查询 License 设备数 // Logan.Li
|
||
var lic model.License
|
||
var currentDevices int64
|
||
licenseStatus := ""
|
||
maxDevices := 0
|
||
if ent.LicenseID > 0 {
|
||
s.db.First(&lic, ent.LicenseID)
|
||
licenseStatus = lic.Status
|
||
maxDevices = lic.MaxActivations
|
||
s.db.Model(&model.Activation{}).Where("license_id = ?", lic.ID).Count(¤tDevices)
|
||
}
|
||
|
||
isActive := ent.Status == "active" && (ent.ValidUntil == nil || daysLeft > 0)
|
||
|
||
var validUntilStr *string
|
||
if ent.ValidUntil != nil {
|
||
s := ent.ValidUntil.Format("2006-01-02")
|
||
validUntilStr = &s
|
||
}
|
||
|
||
return &dto.CheckPurchaseStatusResponse{
|
||
Purchased: true,
|
||
HasActiveLicense: isActive,
|
||
LicenseKey: "", // 公开接口不回传完整密钥，请走 claim(order+email) // Logan.Li
|
||
LicenseStatus: licenseStatus,
|
||
PlanType: ent.PlanType,
|
||
ValidUntil: validUntilStr,
|
||
DaysLeft: daysLeft,
|
||
Renewable: ent.Renewable,
|
||
MaxDevices: maxDevices,
|
||
CurrentDevices: int(currentDevices),
|
||
EntitlementID: ent.ID,
|
||
}, nil
|
||
}
|
||
|
||
// toOrderResponse 模型转响应 DTO // Logan.Li
|
||
func toOrderResponse(o model.Order) dto.OrderResponse {
|
||
resp := dto.OrderResponse{
|
||
ID: o.ID,
|
||
OrderNo: o.OrderNo,
|
||
CustomerID: o.CustomerID,
|
||
ProductID: o.ProductID,
|
||
PlanID: o.PlanID,
|
||
LicenseID: o.LicenseID,
|
||
Amount: o.Amount,
|
||
Currency: o.Currency,
|
||
Status: o.Status,
|
||
PaymentGateway: o.PaymentGateway,
|
||
CreatedAt: o.CreatedAt.Format("2006-01-02 15:04:05"),
|
||
}
|
||
if o.Customer.ID > 0 {
|
||
resp.CustomerName = o.Customer.Name
|
||
}
|
||
if o.Product.ID > 0 {
|
||
resp.ProductName = o.Product.Name
|
||
}
|
||
if o.Plan.ID > 0 {
|
||
resp.PlanName = o.Plan.Name
|
||
}
|
||
if o.PaidAt != nil {
|
||
resp.PaidAt = o.PaidAt.Format("2006-01-02 15:04:05")
|
||
}
|
||
return resp
|
||
}
|