feat: 增加蝦皮店铺图片筛选 (#150)

admin/repository/shopee.go

@@ -119,7 +119,7 @@ type ShopeeProductRow struct {
 	CollectMsg    sql.NullString
 }
 
-// ShopeeFilter 是蝦皮商品列表页支持的筛选条件，两项都可以为空。
+// ShopeeFilter 是蝦皮商品列表页支持的筛选条件，四项都可以为空。
 //
 // Status 取值见 §「状态筛选的四个取值」（工单 #43）：
 //
@@ -133,9 +133,11 @@ type ShopeeProductRow struct {
 type ShopeeFilter struct {
 	Keyword string
 	Status  string
+	Shop    string // has / missing / 空（全部）
+	Image   string // has / missing / 空（全部）
 }
 
-// shopeeFilterClause 把关键字和状态筛选拼成 WHERE 子句，供 ListShopeeProducts
+// shopeeFilterClause 把关键字、状态、店铺和图片筛选拼成 WHERE 子句，供 ListShopeeProducts
 // 和 CountShopeeProductsFiltered 共用——两处筛选逻辑必须完全一致，
 // 否则底部统计会跟表格对不上（#19 踩过一次，见工单 #43）。
 //
@@ -162,6 +164,20 @@ func shopeeFilterClause(filter ShopeeFilter) (string, []any) {
 		clauses = append(clauses, `(sp.pdd_goods_url IS NOT NULL AND sp.pdd_goods_url <> '')`)
 	}
 
+	switch filter.Shop {
+	case "has":
+		clauses = append(clauses, `(sp.shopee_shop_name IS NOT NULL AND TRIM(sp.shopee_shop_name) <> '')`)
+	case "missing":
+		clauses = append(clauses, `(sp.shopee_shop_name IS NULL OR TRIM(sp.shopee_shop_name) = '')`)
+	}
+
+	switch filter.Image {
+	case "has":
+		clauses = append(clauses, `(sp.image_url IS NOT NULL AND TRIM(sp.image_url) <> '')`)
+	case "missing":
+		clauses = append(clauses, `(sp.image_url IS NULL OR TRIM(sp.image_url) = '')`)
+	}
+
 	if len(clauses) == 0 {
 		return "", args
 	}