v1.0.0

internal/domains/product/services/product_subscription_service.go

@@ -13,6 +13,9 @@ import (
 	"tyapi-server/internal/domains/product/entities"
 	"tyapi-server/internal/domains/product/repositories"
 	"tyapi-server/internal/domains/product/repositories/queries"
+	"tyapi-server/internal/shared/interfaces"
+
+	"github.com/shopspring/decimal"
 )
 
 // ProductSubscriptionService 产品订阅领域服务
@@ -246,3 +249,74 @@ func (s *ProductSubscriptionService) IncrementSubscriptionAPIUsage(ctx context.C
 
 	return fmt.Errorf("更新失败，已重试%d次", maxRetries)
 }
+
+// GetSubscriptionStats 获取订阅统计信息
+func (s *ProductSubscriptionService) GetSubscriptionStats(ctx context.Context) (map[string]interface{}, error) {
+	stats := make(map[string]interface{})
+	
+	// 获取总订阅数
+	totalSubscriptions, err := s.subscriptionRepo.Count(ctx, interfaces.CountOptions{})
+	if err != nil {
+		s.logger.Error("获取订阅总数失败", zap.Error(err))
+		return nil, fmt.Errorf("获取订阅总数失败: %w", err)
+	}
+	stats["total_subscriptions"] = totalSubscriptions
+	
+	// 获取总收入
+	totalRevenue, err := s.subscriptionRepo.GetTotalRevenue(ctx)
+	if err != nil {
+		s.logger.Error("获取总收入失败", zap.Error(err))
+		return nil, fmt.Errorf("获取总收入失败: %w", err)
+	}
+	stats["total_revenue"] = totalRevenue
+	
+	return stats, nil
+}
+
+// GetUserSubscriptionStats 获取用户订阅统计信息
+func (s *ProductSubscriptionService) GetUserSubscriptionStats(ctx context.Context, userID string) (map[string]interface{}, error) {
+	stats := make(map[string]interface{})
+	
+	// 获取用户订阅数
+	userSubscriptions, err := s.subscriptionRepo.FindByUserID(ctx, userID)
+	if err != nil {
+		s.logger.Error("获取用户订阅失败", zap.Error(err))
+		return nil, fmt.Errorf("获取用户订阅失败: %w", err)
+	}
+	
+	// 计算用户总收入
+	var totalRevenue float64
+	for _, subscription := range userSubscriptions {
+		totalRevenue += subscription.Price.InexactFloat64()
+	}
+	
+	stats["total_subscriptions"] = int64(len(userSubscriptions))
+	stats["total_revenue"] = totalRevenue
+	
+	return stats, nil
+}
+
+// UpdateSubscriptionPrice 更新订阅价格
+func (s *ProductSubscriptionService) UpdateSubscriptionPrice(ctx context.Context, subscriptionID string, newPrice float64) error {
+	// 获取订阅
+	subscription, err := s.subscriptionRepo.GetByID(ctx, subscriptionID)
+	if err != nil {
+		return fmt.Errorf("订阅不存在: %w", err)
+	}
+	
+	// 更新价格
+	subscription.Price = decimal.NewFromFloat(newPrice)
+	subscription.Version++ // 增加版本号
+	
+	// 保存更新
+	if err := s.subscriptionRepo.Update(ctx, subscription); err != nil {
+		s.logger.Error("更新订阅价格失败", zap.Error(err))
+		return fmt.Errorf("更新订阅价格失败: %w", err)
+	}
+	
+	s.logger.Info("订阅价格更新成功",
+		zap.String("subscription_id", subscriptionID),
+		zap.Float64("new_price", newPrice))
+	
+	return nil
+}