package com.jilongda.common.wxPay.payments.app;
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import com.wechat.pay.java.core.Config;
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import com.wechat.pay.java.core.cipher.Signer;
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import com.wechat.pay.java.core.exception.HttpException;
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import com.wechat.pay.java.core.exception.MalformedMessageException;
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import com.wechat.pay.java.core.exception.ServiceException;
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import com.wechat.pay.java.core.exception.ValidationException;
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import com.wechat.pay.java.core.http.HostName;
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import com.wechat.pay.java.core.http.HttpClient;
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import com.wechat.pay.java.core.util.NonceUtil;
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import com.wechat.pay.java.service.payments.app.AppService;
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import com.wechat.pay.java.service.payments.app.model.CloseOrderRequest;
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import com.wechat.pay.java.service.payments.app.model.PrepayRequest;
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import com.wechat.pay.java.service.payments.app.model.PrepayWithRequestPaymentResponse;
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import com.wechat.pay.java.service.payments.app.model.QueryOrderByIdRequest;
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import com.wechat.pay.java.service.payments.app.model.QueryOrderByOutTradeNoRequest;
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import com.wechat.pay.java.service.payments.model.Transaction;
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import java.time.Instant;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* APP 支付的扩展类。
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*
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* <p>它封装了 AppService，并提供了一个增强的 APP 下单方法 prepayWithRequestPayment。
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*/
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public class AppServiceExtension {
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private final Signer signer;
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private final com.wechat.pay.java.service.payments.app.AppService appService;
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private static final Logger logger = LoggerFactory.getLogger(AppServiceExtension.class);
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private AppServiceExtension(Config config, HttpClient httpClient, HostName hostName) {
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this.signer = config.createSigner();
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com.wechat.pay.java.service.payments.app.AppService.Builder builder = new AppService.Builder().config(config);
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if (httpClient != null) {
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builder.httpClient(httpClient);
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}
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if (hostName != null) {
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builder.hostName(hostName);
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}
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this.appService = builder.build();
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}
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/**
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* APP 支付下单，并返回 APP 调起支付数据。推荐使用！
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*
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* <p>请求成功后，该方法返回预支付交易会话标识 prepay_id 和客户端 APP 调起支付所需参数。 它相比 AppService.prepay
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* 更简单易用，因为无需开发者自行计算调起支付签名。
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*
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* @param request 请求参数
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* @return PrepayWithRequestPaymentResponse
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* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
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* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
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* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
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* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
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*/
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public PrepayWithRequestPaymentResponse prepayWithRequestPayment(PrepayRequest request) {
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String prepayId = appService.prepay(request).getPrepayId();
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long timestamp = Instant.now().getEpochSecond();
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String nonceStr = NonceUtil.createNonce(32);
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String message =
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request.getAppid() + "\n" + timestamp + "\n" + nonceStr + "\n" + prepayId + "\n";
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logger.debug("Message for RequestPayment signatures is[{}]", message);
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String sign = signer.sign(message).getSign();
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PrepayWithRequestPaymentResponse response = new PrepayWithRequestPaymentResponse();
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response.setAppid(request.getAppid());
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response.setPartnerId(request.getMchid());
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response.setPrepayId(prepayId);
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response.setPackageVal("Sign=WXPay");
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response.setNonceStr(nonceStr);
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response.setTimestamp(String.valueOf(timestamp));
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response.setSign(sign);
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return response;
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}
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/**
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* 微信支付订单号查询订单
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*
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* @param request 请求参数
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* @return Transaction
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* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
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* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
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* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
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* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
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*/
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public Transaction queryOrderById(QueryOrderByIdRequest request) {
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return appService.queryOrderById(request);
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}
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/**
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* 商户订单号查询订单
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*
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* @param request 请求参数
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* @return Transaction
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* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
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* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
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* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
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* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
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*/
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public Transaction queryOrderByOutTradeNo(QueryOrderByOutTradeNoRequest request) {
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return appService.queryOrderByOutTradeNo(request);
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}
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/**
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* 关闭订单
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*
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* @param request 请求参数
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* @throws HttpException 发送HTTP请求失败。例如构建请求参数失败、发送请求失败、I/O错误等。包含请求信息。
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* @throws ValidationException 发送HTTP请求成功，验证微信支付返回签名失败。
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* @throws ServiceException 发送HTTP请求成功，服务返回异常。例如返回状态码小于200或大于等于300。
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* @throws MalformedMessageException 服务返回成功，content-type不为application/json、解析返回体失败。
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*/
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public void closeOrder(CloseOrderRequest request) {
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appService.closeOrder(request);
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}
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public static class Builder {
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private Config config;
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private HttpClient httpClient;
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private HostName hostName;
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public Builder config(Config config) {
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this.config = config;
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return this;
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}
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public Builder httpClient(HttpClient httpClient) {
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this.httpClient = httpClient;
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return this;
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}
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public Builder hostName(HostName hostName) {
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this.hostName = hostName;
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return this;
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}
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public AppServiceExtension build() {
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return new AppServiceExtension(config, httpClient, hostName);
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}
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}
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}
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