Function stringToNullTimeHookFunc

internal/domain/events/es/process_util.go:197–214

stringToNullTimeHookFunc 转换字符串到 NullTime 类型

(layout string)

// stringToNullTimeHookFunc 转换字符串到 NullTime 类型
func stringToNullTimeHookFunc(layout string) mapstructure.DecodeHookFunc {
	return func(f reflect.Kind, t reflect.Kind, data interface{}) (interface{}, error) {
		if f != reflect.String || t != reflect.Struct {
			return data, nil
		}

		str := data.(string)
		if str == "" {
			return sql.NullTime{Valid: false}, nil
		}

		parsedTime, err := time.Parse(layout, str)
		if err != nil {
			return nil, err
		}
		return sql.NullTime{Time: parsedTime, Valid: true}, nil
	}
}