feat(server): 商业化支付与订单系统 + Harness 改进

- 新增商业化模块：Stripe/Binance Pay 支付、邮箱登录、订单管理 - 新增数据模型：ReportProduct, ReportEntitlement, ReportSnapshot, PaymentEvent, EmailLoginCode - 新增 API：/api/commerce/checkout, /api/commerce/webhooks/*, /api/commerce/orders/* - 新增管理后台：订单列表、统计图表、统一 AdminHeader 组件 - 新增中间件测试：RateLimit, Auth, CORS 共 7 个测试用例 - 新增 AGENTS.md 项目代理指令文件 - 新增 REMINDER.md 商业化功能开发规范 - 修复 JWT 解析：添加 WithValidMethods 限制 HS256 - 修复 GetPayStatus：增加用户权限校验 - 更新 .gitignore 和 README.md
2026-09-19 18:57:23 +00:00
parent 241a04496b
commit deb32f8fab
52 changed files with 5419 additions and 339 deletions
@@ -0,0 +1,330 @@
+package service
+
+import (
+	"crypto/rand"
+	"encoding/base32"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"math/big"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/gouki/lunar-server/internal/config"
+	"github.com/gouki/lunar-server/internal/model"
+	"gorm.io/gorm"
+)
+
+type CommerceService struct {
+	db *gorm.DB
+}
+
+type AdminOrderFilter struct {
+	Page     int
+	PageSize int
+	Status   string
+	Provider string
+	Search   string
+}
+
+type OrderStats struct {
+	TotalOrders int64 `json:"totalOrders"`
+	PaidOrders  int64 `json:"paidOrders"`
+	Pending     int64 `json:"pendingOrders"`
+	Refunded    int64 `json:"refundedOrders"`
+	RevenueUSD  int64 `json:"revenueUsdCents"`
+}
+
+func NewCommerceService() *CommerceService {
+	return &CommerceService{db: config.GetDB()}
+}
+
+func (s *CommerceService) GetActiveReportProduct() (*model.ReportProduct, error) {
+	var product model.ReportProduct
+	if err := s.db.Where("code = ? AND status = 1", "bazi_full_report").First(&product).Error; err != nil {
+		return nil, err
+	}
+	return &product, nil
+}
+
+func (s *CommerceService) CreateReportOrder(userID uint, email, reportID, provider, snapshot string, product *model.ReportProduct) (*model.Order, error) {
+	if provider != "stripe" && provider != "binance_pay" {
+		return nil, errors.New("unsupported payment provider")
+	}
+	var active model.ReportEntitlement
+	if err := s.db.Where("user_id = ? AND report_id = ? AND status = ?", userID, reportID, "active").First(&active).Error; err == nil {
+		return nil, errors.New("report already unlocked")
+	} else if !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, err
+	}
+
+	orderNo, err := secureOrderNo()
+	if err != nil {
+		return nil, err
+	}
+	order := &model.Order{
+		OrderNo: orderNo, UserID: userID, Type: "bazi_report", ProductID: product.ID,
+		ProductName: product.Name, Status: "pending", CustomerEmail: strings.ToLower(email), ReportID: reportID,
+	}
+	if provider == "stripe" {
+		order.Amount = product.StripeAmount
+		order.Currency = product.StripeCurrency
+		order.ProviderAmount = fmt.Sprintf("%.2f", float64(product.StripeAmount)/100)
+	} else {
+		order.Amount = 500
+		order.Currency = product.BinanceCurrency
+		order.ProviderAmount = product.BinanceAmount
+	}
+	order.Provider = provider
+	expires := time.Now().Add(30 * time.Minute)
+	order.ExpireTime = &expires
+	err = s.db.Transaction(func(tx *gorm.DB) error {
+		if err := tx.Create(order).Error; err != nil {
+			return err
+		}
+		record := model.ReportSnapshot{UserID: userID, ReportID: reportID, OrderID: order.ID, Snapshot: snapshot}
+		if err := tx.Create(&record).Error; err != nil {
+			return err
+		}
+		return tx.Model(&model.BaziChartRecord{}).Where("report_id = ? AND user_id IS NULL", reportID).Update("user_id", userID).Error
+	})
+	if err != nil {
+		return nil, err
+	}
+	return order, nil
+}
+
+func (s *CommerceService) SetCheckout(orderNo, providerOrderID, checkoutURL string) error {
+	return s.db.Model(&model.Order{}).Where("order_no = ? AND status = ?", orderNo, "pending").Updates(map[string]interface{}{
+		"provider_order_id": providerOrderID,
+		"checkout_url":      checkoutURL,
+	}).Error
+}
+
+func (s *CommerceService) CompletePayment(provider, eventID, eventType, orderNo, providerOrderID, transactionID, paidAmount, currency, payloadHash string) error {
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		var existing model.PaymentEvent
+		if err := tx.Where("provider = ? AND provider_event_id = ?", provider, eventID).First(&existing).Error; err == nil {
+			return nil
+		} else if !errors.Is(err, gorm.ErrRecordNotFound) {
+			return err
+		}
+
+		var order model.Order
+		if err := tx.Where("order_no = ? AND provider = ?", orderNo, provider).First(&order).Error; err != nil {
+			return err
+		}
+		if providerOrderID == "" || providerOrderID != order.ProviderOrderID || !strings.EqualFold(currency, order.Currency) || !amountMatches(order, paidAmount) {
+			return errors.New("payment amount or provider order mismatch")
+		}
+		now := time.Now()
+		event := model.PaymentEvent{Provider: provider, ProviderEventID: eventID, EventType: eventType, OrderNo: orderNo, PayloadHash: payloadHash, ProcessedAt: now}
+		if err := tx.Create(&event).Error; err != nil {
+			return err
+		}
+		if order.Status == "paid" {
+			return nil
+		}
+		if order.Status != "pending" {
+			return fmt.Errorf("order %s cannot transition from %s to paid", orderNo, order.Status)
+		}
+		accessCode, err := secureAccessCode()
+		if err != nil {
+			return err
+		}
+		result := tx.Model(&model.Order{}).Where("id = ? AND status = ?", order.ID, "pending").Updates(map[string]interface{}{
+			"status": "paid", "pay_time": now, "provider_transaction_id": transactionID, "access_code": accessCode,
+		})
+		if result.Error != nil {
+			return result.Error
+		}
+		if result.RowsAffected != 1 {
+			return errors.New("order payment transition conflict")
+		}
+		var snapshot model.ReportSnapshot
+		if err := tx.Where("order_id = ?", order.ID).First(&snapshot).Error; err != nil {
+			return err
+		}
+		premiumSnapshot, err := buildPremiumSnapshot(snapshot.Snapshot)
+		if err != nil {
+			return err
+		}
+		if err := tx.Model(&snapshot).Update("snapshot", premiumSnapshot).Error; err != nil {
+			return err
+		}
+		entitlement := model.ReportEntitlement{UserID: order.UserID, ReportID: order.ReportID, OrderID: order.ID, Status: "active", GrantedAt: now}
+		return tx.Where("user_id = ? AND report_id = ?", order.UserID, order.ReportID).FirstOrCreate(&entitlement).Error
+	})
+}
+
+func (s *CommerceService) RefundPayment(provider, eventID, eventType, orderNo, transactionID, payloadHash string) error {
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		var count int64
+		if err := tx.Model(&model.PaymentEvent{}).Where("provider = ? AND provider_event_id = ?", provider, eventID).Count(&count).Error; err != nil {
+			return err
+		}
+		if count > 0 {
+			return nil
+		}
+		query := tx.Where("provider = ?", provider)
+		if orderNo != "" {
+			query = query.Where("order_no = ?", orderNo)
+		} else {
+			query = query.Where("provider_transaction_id = ?", transactionID)
+		}
+		var order model.Order
+		if err := query.First(&order).Error; err != nil {
+			return err
+		}
+		event := model.PaymentEvent{Provider: provider, ProviderEventID: eventID, EventType: eventType, OrderNo: order.OrderNo, PayloadHash: payloadHash, ProcessedAt: time.Now()}
+		if err := tx.Create(&event).Error; err != nil {
+			return err
+		}
+		if order.Status == "refunded" {
+			return nil
+		}
+		if order.Status != "paid" {
+			return fmt.Errorf("order %s cannot transition from %s to refunded", order.OrderNo, order.Status)
+		}
+		now := time.Now()
+		if err := tx.Model(&model.Order{}).Where("id = ? AND status = ?", order.ID, "paid").Update("status", "refunded").Error; err != nil {
+			return err
+		}
+		return tx.Model(&model.ReportEntitlement{}).Where("order_id = ? AND status = ?", order.ID, "active").Updates(map[string]interface{}{"status": "revoked", "revoked_at": now}).Error
+	})
+}
+
+func (s *CommerceService) MarkOrderStatus(provider, eventID, eventType, orderNo, status, payloadHash string) error {
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		var count int64
+		if err := tx.Model(&model.PaymentEvent{}).Where("provider = ? AND provider_event_id = ?", provider, eventID).Count(&count).Error; err != nil {
+			return err
+		}
+		if count > 0 {
+			return nil
+		}
+		event := model.PaymentEvent{Provider: provider, ProviderEventID: eventID, EventType: eventType, OrderNo: orderNo, PayloadHash: payloadHash, ProcessedAt: time.Now()}
+		if err := tx.Create(&event).Error; err != nil {
+			return err
+		}
+		return tx.Model(&model.Order{}).Where("order_no = ? AND provider = ? AND status = ?", orderNo, provider, "pending").Update("status", status).Error
+	})
+}
+
+func (s *CommerceService) GetUserOrder(userID uint, orderNo string) (*model.Order, error) {
+	var order model.Order
+	if err := s.db.Where("user_id = ? AND order_no = ?", userID, orderNo).First(&order).Error; err != nil {
+		return nil, err
+	}
+	return &order, nil
+}
+
+func (s *CommerceService) HasReportAccess(userID uint, reportID string) (bool, error) {
+	var count int64
+	err := s.db.Model(&model.ReportEntitlement{}).Where("user_id = ? AND report_id = ? AND status = ?", userID, reportID, "active").Count(&count).Error
+	return count > 0, err
+}
+
+func (s *CommerceService) AdminOrders(filter AdminOrderFilter) ([]model.Order, int64, error) {
+	// PC 商业版后台只显示八字报告订单，隔离小程序许愿等旧业务订单。
+	query := s.db.Model(&model.Order{}).Where("type = ?", "bazi_report")
+	if filter.Status != "" {
+		query = query.Where("status = ?", filter.Status)
+	}
+	if filter.Provider != "" {
+		query = query.Where("provider = ?", filter.Provider)
+	}
+	if filter.Search != "" {
+		like := "%" + filter.Search + "%"
+		query = query.Where("order_no LIKE ? OR customer_email LIKE ? OR report_id LIKE ? OR provider_transaction_id LIKE ?", like, like, like, like)
+	}
+	var total int64
+	if err := query.Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+	var orders []model.Order
+	err := query.Order("created_at DESC").Offset((filter.Page - 1) * filter.PageSize).Limit(filter.PageSize).Find(&orders).Error
+	return orders, total, err
+}
+
+func (s *CommerceService) AdminStats() (OrderStats, error) {
+	var stats OrderStats
+	base := s.db.Model(&model.Order{}).Where("type = ?", "bazi_report")
+	if err := base.Count(&stats.TotalOrders).Error; err != nil {
+		return stats, err
+	}
+	s.db.Model(&model.Order{}).Where("type = ? AND status = ?", "bazi_report", "paid").Count(&stats.PaidOrders)
+	s.db.Model(&model.Order{}).Where("type = ? AND status = ?", "bazi_report", "pending").Count(&stats.Pending)
+	s.db.Model(&model.Order{}).Where("type = ? AND status = ?", "bazi_report", "refunded").Count(&stats.Refunded)
+	s.db.Model(&model.Order{}).Where("type = ? AND status = ? AND currency = ?", "bazi_report", "paid", "USD").Select("COALESCE(SUM(amount), 0)").Scan(&stats.RevenueUSD)
+	return stats, nil
+}
+
+type PurchasedReport struct {
+	ReportID    string    `json:"reportId"`
+	AccessCode  string    `json:"accessCode"`
+	ProductName string    `json:"productName"`
+	PaidAt      time.Time `json:"paidAt"`
+}
+
+func (s *CommerceService) GetReportSnapshot(userID uint, accessCode string) (*model.ReportSnapshot, error) {
+	var order model.Order
+	if err := s.db.Where("user_id = ? AND access_code = ? AND status = ?", userID, strings.ToUpper(accessCode), "paid").First(&order).Error; err != nil {
+		return nil, err
+	}
+	var entitlement model.ReportEntitlement
+	if err := s.db.Where("user_id = ? AND order_id = ? AND status = ?", userID, order.ID, "active").First(&entitlement).Error; err != nil {
+		return nil, err
+	}
+	var snapshot model.ReportSnapshot
+	if err := s.db.Where("user_id = ? AND order_id = ?", userID, order.ID).First(&snapshot).Error; err != nil {
+		return nil, err
+	}
+	return &snapshot, nil
+}
+
+func (s *CommerceService) ListPurchasedReports(userID uint) ([]PurchasedReport, error) {
+	var orders []model.Order
+	if err := s.db.Where("user_id = ? AND type = ? AND status = ? AND access_code IS NOT NULL", userID, "bazi_report", "paid").Order("pay_time DESC").Find(&orders).Error; err != nil {
+		return nil, err
+	}
+	reports := make([]PurchasedReport, 0, len(orders))
+	for _, order := range orders {
+		if order.AccessCode == nil || order.PayTime == nil {
+			continue
+		}
+		reports = append(reports, PurchasedReport{ReportID: order.ReportID, AccessCode: *order.AccessCode, ProductName: order.ProductName, PaidAt: *order.PayTime})
+	}
+	return reports, nil
+}
+
+func amountMatches(order model.Order, paidAmount string) bool {
+	expected := order.ProviderAmount
+	if order.Provider == "stripe" {
+		expected = strconv.Itoa(order.Amount)
+	}
+	expectedValue, ok := new(big.Rat).SetString(expected)
+	if !ok {
+		return false
+	}
+	paidValue, ok := new(big.Rat).SetString(paidAmount)
+	return ok && expectedValue.Cmp(paidValue) == 0
+}
+
+func secureAccessCode() (string, error) {
+	bytes := make([]byte, 8)
+	if _, err := rand.Read(bytes); err != nil {
+		return "", err
+	}
+	encoded := base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(bytes)
+	return "ZM-" + encoded[:4] + "-" + encoded[4:8] + "-" + encoded[8:12], nil
+}
+
+func secureOrderNo() (string, error) {
+	bytes := make([]byte, 5)
+	if _, err := rand.Read(bytes); err != nil {
+		return "", err
+	}
+	return "R" + time.Now().UTC().Format("20060102150405") + strings.ToUpper(hex.EncodeToString(bytes)), nil
+}