Enhance ListRules method to support localized filtering by name

- Modify the ListRules method in the WAF service to allow filtering of rule categories based on the specified language and name.
- Implement dynamic query construction to support localization for both Chinese and English categories.

internal/service/waf.go

@@ -933,7 +933,19 @@ func (s *wafService) ListAttackLogs(ctx context.Context, req *AttackLogFilter) (
 
 func (s *wafService) ListRules(ctx context.Context, regionCode, namespace, gatewayName, language, name string) ([]RuleGroupResp, error) {
 	ruleCategories := []model.WafRuleCategory{}
-	err := s.db.Model(&model.WafRuleCategory{}).Find(&ruleCategories).Error
+	db := s.db.Model(&model.WafRuleCategory{})
+	if name != "" {
+		col := "category_zh"
+		switch language {
+		case "zh":
+			col = "category_zh"
+		case "en":
+			col = "category_en"
+		}
+		like := fmt.Sprintf("%s LIKE ?", col)
+		db = db.Where(like, "%"+name+"%")
+	}
+	err := db.Find(&ruleCategories).Error
 	if err != nil {
 		return nil, fmt.Errorf("failed to get waf service: %v", err)
 	}