fix sub

internal/application/product/subscription_application_service_impl.go

@@ -70,12 +70,46 @@ func (s *SubscriptionApplicationServiceImpl) GetSubscriptionByID(ctx context.Con
 	return s.convertToSubscriptionInfoResponse(subscription), nil
 }
 
-// ListSubscriptions 获取订阅列表
+// ListSubscriptions 获取订阅列表（管理员用）
 // 业务流程：1. 获取订阅列表 2. 构建响应数据
 func (s *SubscriptionApplicationServiceImpl) ListSubscriptions(ctx context.Context, query *appQueries.ListSubscriptionsQuery) (*responses.SubscriptionListResponse, error) {
 	repoQuery := &repoQueries.ListSubscriptionsQuery{
-		Page:     query.Page,
-		PageSize: query.PageSize,
+		Page:      query.Page,
+		PageSize:  query.PageSize,
+		UserID:    query.UserID, // 管理员可以按用户筛选
+		Keyword:   query.Keyword,
+		SortBy:    query.SortBy,
+		SortOrder: query.SortOrder,
+	}
+	subscriptions, total, err := s.productSubscriptionService.ListSubscriptions(ctx, repoQuery)
+	if err != nil {
+		return nil, err
+	}
+	items := make([]responses.SubscriptionInfoResponse, len(subscriptions))
+	for i := range subscriptions {
+		resp := s.convertToSubscriptionInfoResponse(subscriptions[i])
+		if resp != nil {
+			items[i] = *resp // 解引用指针
+		}
+	}
+	return &responses.SubscriptionListResponse{
+		Total: total,
+		Page:  query.Page,
+		Size:  query.PageSize,
+		Items: items,
+	}, nil
+}
+
+// ListMySubscriptions 获取我的订阅列表（用户用）
+// 业务流程：1. 获取用户订阅列表 2. 构建响应数据
+func (s *SubscriptionApplicationServiceImpl) ListMySubscriptions(ctx context.Context, userID string, query *appQueries.ListSubscriptionsQuery) (*responses.SubscriptionListResponse, error) {
+	repoQuery := &repoQueries.ListSubscriptionsQuery{
+		Page:      query.Page,
+		PageSize:  query.PageSize,
+		UserID:    userID, // 强制设置为当前用户ID
+		Keyword:   query.Keyword,
+		SortBy:    query.SortBy,
+		SortOrder: query.SortOrder,
 	}
 	subscriptions, total, err := s.productSubscriptionService.ListSubscriptions(ctx, repoQuery)
 	if err != nil {
@@ -147,6 +181,27 @@ func (s *SubscriptionApplicationServiceImpl) GetSubscriptionStats(ctx context.Co
 	}, nil
 }
 
+// GetMySubscriptionStats 获取我的订阅统计信息
+// 业务流程：1. 获取用户订阅统计 2. 构建响应数据
+func (s *SubscriptionApplicationServiceImpl) GetMySubscriptionStats(ctx context.Context, userID string) (*responses.SubscriptionStatsResponse, error) {
+	// 获取用户订阅数量
+	subscriptions, err := s.productSubscriptionService.GetUserSubscriptions(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+
+	// 计算总收益
+	var totalRevenue float64
+	for _, subscription := range subscriptions {
+		totalRevenue += subscription.Price.InexactFloat64()
+	}
+
+	return &responses.SubscriptionStatsResponse{
+		TotalSubscriptions: int64(len(subscriptions)),
+		TotalRevenue: totalRevenue,
+	}, nil
+}
+
 // convertToSubscriptionInfoResponse 转换为订阅信息响应
 func (s *SubscriptionApplicationServiceImpl) convertToSubscriptionInfoResponse(subscription *entities.Subscription) *responses.SubscriptionInfoResponse {
 	return &responses.SubscriptionInfoResponse{