<?php

require_once 'alipay/f2fpay/config/config.php';

class QRpay
{

  public static function createPay($params)
  {
    require_once 'alipay/f2fpay/model/builder/AlipayTradePrecreateContentBuilder.php';
    require_once 'alipay/f2fpay/service/AlipayTradeService.php';
    // 获取订单参数，订单号需要保证唯一
    $outTradeNo = $params['out_trade_no'];
    // 交易主题，会在付款对话框中显示
    $subject = $params['subject'];
    // 交易总价
    $totalAmount = $params['total_amount'];
    $body = $params['body'];
    // 交易过期时间
    $timeExpress = "5m";

    // 支付订单参数构建
    $qrPayRequestBuilder = new \AlipayTradePrecreateContentBuilder();
    $qrPayRequestBuilder->setOutTradeNo($outTradeNo);
    $qrPayRequestBuilder->setTotalAmount($totalAmount);
    $qrPayRequestBuilder->setTimeExpress($timeExpress);
    $qrPayRequestBuilder->setSubject($subject);
    $qrPayRequestBuilder->setBody($body);
    // 调用qrPay方法获取当面付应答
    $qrPay = new \AlipayTradeService($config);
    $qrPayResult = $qrPay->qrPay($qrPayRequestBuilder);
    //  根据状态值进行业务处理
    $response = "";
    switch ($qrPayResult->getTradeStatus()){
      case "SUCCESS":
      case "FAILED":
      case "UNKNOWN":
        $response = $qrPayResult->getResponse();
        break;
      default:
        $response = "不支持的返回状态，创建订单二维码返回异常!!!";
        break;
    }
    return $response;
  }

  public static function queryPay($payId)
  {
    require_once 'alipay/f2fpay/service/AlipayTradeService.php';
    // 就是生成订单的订单号
    $out_trade_no = $payId;
    //构造查询业务请求参数对象
    $queryContentBuilder = new \AlipayTradeQueryContentBuilder();
    $queryContentBuilder->setOutTradeNo($out_trade_no);
    //初始化类对象，调用queryTradeResult方法获取查询应答
    $queryResponse = new \AlipayTradeService($config);
    $queryResult = $queryResponse->queryTradeResult($queryContentBuilder);
    //  根据状态值进行业务处理
    $response = "";
    switch ($queryResult->getTradeStatus()){
      case "SUCCESS":
      case "FAILED":
      case "UNKNOWN":
        $response = $queryResult->getResponse();
        break;
      default:
        $response = "不支持的查询状态，交易返回异常!!!";
        break;
    }
    return $response;
  }
  /**
   * 退款请求
   */
  public static function refundPay($params)
  {
    require_once 'alipay/f2fpay/model/builder/AlipayTradeRefundContentBuilder.php';
    require_once 'alipay/f2fpay/service/AlipayTradeService.php';
    // 获取退款参数
    $out_trade_no = $params['out_trade_no'];
    $refund_amount = $params['refund_amount'];
    $out_request_no = $params['out_request_no'];
    //创建退款请求builder,设置参数
    $refundRequestBuilder = new AlipayTradeRefundContentBuilder();
    $refundRequestBuilder->setOutTradeNo($out_trade_no);
    $refundRequestBuilder->setRefundAmount($refund_amount);
    $refundRequestBuilder->setOutRequestNo($out_request_no);
    //初始化类对象,调用refund获取退款应答
    $refundResponse = new AlipayTradeService($config);
    $refundResult = $refundResponse->refund($refundRequestBuilder);
    //  根据状态值进行业务处理
    $response = "";
    switch ($refundResult->getTradeStatus()){
      case "SUCCESS":
      case "FAILED":
      case "UNKNOWN":
        $response = $refundResult->getResponse();
        break;
      default:
        $response = "不支持的交易状态，交易返回异常!!!";
        break;
    }
    return $response;
  }
}