<?php

namespace plugin\admin\app\model;

use plugin\admin\app\model\Base;

/**
 * @property integer $id 主键
 * @property integer $rule_id 规则ID
 * @property string $lang 语言代码
 * @property string $title 翻译标题
 * @property string $created_at 创建时间
 * @property string $updated_at 更新时间
 */
class RuleTranslation extends Base
{
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'wa_rule_translations';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * 获取规则的翻译标题
     * @param int $ruleId 规则ID
     * @param string $lang 语言代码
     * @return string|null
     */
    public static function getTranslatedTitle($ruleId, $lang)
    {
        $translation = self::where('rule_id', $ruleId)
            ->where('lang', $lang)
            ->first();
        
        return $translation ? $translation->title : null;
    }
}