f

internal/infrastructure/database/repositories/product/gorm_product_repository.go

@@ -3,6 +3,8 @@ package repositories
 import (
 	"context"
 	"errors"
+	"strings"
+
 	"tyapi-server/internal/domains/product/entities"
 	"tyapi-server/internal/domains/product/repositories"
 	"tyapi-server/internal/domains/product/repositories/queries"
@@ -165,13 +167,33 @@ func (r *GormProductRepository) ListProducts(ctx context.Context, query *queries
 
 	// 应用排序
 	if query.SortBy != "" {
-		order := query.SortBy
-		if query.SortOrder == "desc" {
-			order += " DESC"
+		// 检查是否是关联表字段排序
+		if strings.Contains(query.SortBy, ".") {
+			parts := strings.Split(query.SortBy, ".")
+			if len(parts) == 2 {
+				// 关联表字段排序，需要JOIN表
+				joinTable := parts[0]
+				sortField := parts[1]
+				dbQuery = dbQuery.Joins("JOIN "+joinTable+" ON products.category_id = "+joinTable+".id")
+				
+				order := joinTable + "." + sortField
+				if query.SortOrder == "desc" {
+					order += " DESC"
+				} else {
+					order += " ASC"
+				}
+				dbQuery = dbQuery.Order(order)
+			}
 		} else {
-			order += " ASC"
+			// 本表字段排序
+			order := query.SortBy
+			if query.SortOrder == "desc" {
+				order += " DESC"
+			} else {
+				order += " ASC"
+			}
+			dbQuery = dbQuery.Order(order)
 		}
-		dbQuery = dbQuery.Order(order)
 	} else {
 		dbQuery = dbQuery.Order("created_at DESC")
 	}