finance-pay/app/common/service/pay/WeChatPayMerchantService.php

<?php
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namespace app\common\service\pay;


use app\common\enum\PayEnum;
use app\common\enum\PayOrderEnum;
use app\common\enum\user\UserTerminalEnum;
use app\common\logic\PayNotifyLogic;
use app\common\model\recharge\RechargeOrder;
use app\common\model\user\UserAuth;
use app\common\service\wechat\WeChatConfigService;
use app\common\service\wechat\WeChatPayMerchantConfigService;
use EasyWeChat\Pay\Application;
use EasyWeChat\Pay\Message;


/**
 * 微信支付
 * Class WeChatPayService
 * @package app\common\server
 */
class WeChatPayMerchantService extends BasePayService
{
    /**
     * 授权信息
     * @var UserAuth|array|\think\Model
     */
    protected $auth;


    /**
     * 微信配置
     * @var
     */
    protected $config;


    /**
     * easyWeChat实例
     * @var
     */
    protected $app;


    /**
     * 当前使用客户端
     * @var
     */
    protected $terminal;


    /**
     * 初始化微信支付配置
     */
    public function __construct()
    {
        $this->config = WeChatPayMerchantConfigService::getPayConfig();
        $this->app = new Application($this->config);
    }

    public function wechatPayServiceMerchantAppPay($order)
    {
        try {
            $response = $this->app->getClient()->postJson('pay/unifiedorder', [
                'appid' => $this->config['app_id'],
                'mchid' => $this->config['mch_id'],
                'sub_mch_id' => $order['sub_mch_id'],
                'description' => PayOrderEnum::getPayOrderTypeDesc($order['order_type']),
                'out_trade_no' => $order['order_no'],
                'notify_url' => $this->config['notify_url'],
                'total_fee' => $order['total_fee'],
                'spbill_create_ip' => $_SERVER['SERVER_ADDR'], // 调用微信支付API的机器IP
                'time_start' => date('YmdHis', $order['create_time']),
                'trade_type' => 'APP',
                'attach' => $order['order_no']
            ]);
            $result = $response->toArray(false);
            $this->checkResultFail($result);
            $re = $this->app->getUtils()->buildAppConfig($result['prepay_id'], $this->config['appid']);
            $re['partnerid'] = $order['sub_mch_id'];
            return $re;
        } catch (\Exception  $e) {
            $this->setError($e->getMessage());
            return false;
        }
    }


    /**
     * @notes 退款
     * @param array $refundData
     * @return mixed
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
     * @author 段誉
     * @date 2023/2/28 16:53
     */
    public function refund(array $refundData)
    {
        $response =  $this->app->getClient()->postJson('secapi/pay/refund', [
            'transaction_id' => $refundData['transaction_id'],
            'out_refund_no' => $refundData['refund_sn'],
            'amount' => [
                'refund' => intval($refundData['refund_amount'] * 100),
                'total' => intval($refundData['total_amount'] * 100),
                'currency' => 'CNY',
            ]
        ]);
        $result = $response->toArray(false);
        $this->checkResultFail($result);
        return $result;
    }


    /**
     * @notes 查询退款
     * @param $refundSn
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
     * @author 段誉
     * @date 2023/3/1 11:16
     */
    public function queryRefund($refundSn)
    {
        $response = $this->app->getClient()->get("v3/refund/domestic/refunds/{$refundSn}");
        return $response->toArray(false);
    }



    /**
     * @notes 捕获错误
     * @param $result
     * @throws \Exception
     * @author 段誉
     * @date 2023/2/28 12:09
     */
    public function checkResultFail($result)
    {
        if (!empty($result['code']) || !empty($result['message'])) {
            throw new \Exception('微信:'. $result['code'] . '-' . $result['message']);
        }
    }


    /**
     * @notes 预支付配置
     * @param $prepayId
     * @param $appId
     * @return mixed[]
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
     * @author 段誉
     * @date 2023/2/28 17:38
     */
    public function getPrepayConfig($prepayId, $appId)
    {
        return $this->app->getUtils()->buildBridgeConfig($prepayId, $appId);
    }


    /**
     * @notes 支付回调
     * @return \Psr\Http\Message\ResponseInterface
     * @throws \EasyWeChat\Kernel\Exceptions\InvalidArgumentException
     * @throws \EasyWeChat\Kernel\Exceptions\RuntimeException
     * @throws \ReflectionException
     * @throws \Throwable
     * @author 段誉
     * @date 2023/2/28 14:20
     */
    public function notify()
    {
        $server = $this->app->getServer();
        // 支付通知
        $server->handlePaid(function (Message $message) {
            if ($message['trade_state'] === 'SUCCESS') {
                $extra['transaction_id'] = $message['transaction_id'];
                $attach = $message['attach'];
                $message['out_trade_no'] = mb_substr($message['out_trade_no'], 0, 18);
                switch ($attach) {
                    case 'recharge':
                        $order = RechargeOrder::where(['sn' => $message['out_trade_no']])->findOrEmpty();
                        if($order->isEmpty() || $order->pay_status == PayEnum::ISPAID) {
                            return true;
                        }
                        PayNotifyLogic::handle('recharge', $message['out_trade_no'], $extra);
                        break;
                }
            }
            return true;
        });

        // 退款通知
        $server->handleRefunded(function (Message $message) {
            return true;
        });
        return $server->serve();
    }
}