<?php

namespace app\common\model\order;

use think\Model;

/**
 * 订单虚拟支付关联模型
 * 存储虚拟支付订单与用户openid的关联关系，用于退款时获取openid
 */
class VirtualPay extends Model
{
    protected $name = 'order_virtual_pay';

    protected $autoWriteTimestamp = 'int';

    protected $createTime = 'createtime';

    protected $updateTime = false;

    protected $deleteTime = false;

    /**
     * 保存订单与openid的关联
     * @param string $orderNo 订单号
     * @param string $openid 微信openid
     * @return bool
     */
    public static function saveRelation($orderNo, $openid)
    {
        if (empty($orderNo) || empty($openid)) {
            return false;
        }

        $record = self::where(['order_no' => $orderNo])->find();

        if ($record) {
            if ($record->openid !== $openid) {
                $record->openid = $openid;
                $record->save();
            }
            return true;
        }

        $model = new self();
        $model->order_no = $orderNo;
        $model->openid = $openid;
        $model->uniacid = defined('UNIACID') ? UNIACID : 0;
        $model->save();

        return true;
    }

    /**
     * 根据订单号获取openid
     * @param string $orderNo 订单号
     * @return string
     */
    public static function getOpenidByOrderNo($orderNo)
    {
        if (empty($orderNo)) {
            return '';
        }

        $record = self::where(['order_no' => $orderNo])->find();

        return $record ? $record->openid : '';
    }
}