Refactor code structure for improved readability and maintainability

atsf_server/service/config_version.go

@@ -137,6 +137,21 @@ func DiffConfigVersion() (*ConfigDiffResult, error) {
 	return result, nil
 }
 
+func HasConfigChanges() (bool, error) {
+	bundle, err := buildCurrentConfigBundle(false)
+	if err != nil {
+		return false, err
+	}
+	activeVersion, err := model.GetActiveConfigVersion()
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return len(bundle.Routes) > 0, nil
+		}
+		return false, err
+	}
+	return activeVersion.Checksum != bundle.Checksum, nil
+}
+
 func PublishConfigVersion(createdBy string) (*ReleaseResult, error) {
 	bundle, err := buildCurrentConfigBundle(true)
 	if err != nil {
@@ -145,6 +160,13 @@ func PublishConfigVersion(createdBy string) (*ReleaseResult, error) {
 	if len(bundle.Routes) == 0 {
 		return nil, errors.New("没有可发布的启用规则")
 	}
+	activeVersion, err := model.GetActiveConfigVersion()
+	if err == nil && activeVersion.Checksum == bundle.Checksum {
+		return nil, errors.New("当前规则没有变更，不能重复发布")
+	}
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, err
+	}
 	supportFilesJSON, err := json.Marshal(bundle.SupportFiles)
 	if err != nil {
 		return nil, err