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@ -1,8 +1,7 @@
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package cn.iocoder.yudao.module.pay.service.refund;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.util.RandomUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.pay.config.PayProperties;
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import cn.iocoder.yudao.framework.pay.core.client.PayClient;
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@ -10,22 +9,23 @@ import cn.iocoder.yudao.framework.pay.core.client.PayClientFactory;
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import cn.iocoder.yudao.framework.pay.core.client.dto.refund.PayRefundRespDTO;
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import cn.iocoder.yudao.framework.pay.core.client.dto.refund.PayRefundUnifiedReqDTO;
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import cn.iocoder.yudao.framework.pay.core.enums.refund.PayRefundStatusRespEnum;
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import cn.iocoder.yudao.framework.tenant.core.util.TenantUtils;
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import cn.iocoder.yudao.module.pay.api.refund.dto.PayRefundCreateReqDTO;
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import cn.iocoder.yudao.module.pay.controller.admin.refund.vo.PayRefundExportReqVO;
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import cn.iocoder.yudao.module.pay.controller.admin.refund.vo.PayRefundPageReqVO;
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import cn.iocoder.yudao.module.pay.convert.refund.PayRefundConvert;
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import cn.iocoder.yudao.module.pay.dal.dataobject.app.PayAppDO;
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import cn.iocoder.yudao.module.pay.dal.dataobject.channel.PayChannelDO;
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import cn.iocoder.yudao.module.pay.dal.dataobject.order.PayOrderDO;
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import cn.iocoder.yudao.module.pay.dal.dataobject.order.PayOrderExtensionDO;
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import cn.iocoder.yudao.module.pay.dal.dataobject.refund.PayRefundDO;
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import cn.iocoder.yudao.module.pay.dal.mysql.order.PayOrderMapper;
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import cn.iocoder.yudao.module.pay.dal.mysql.refund.PayRefundMapper;
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import cn.iocoder.yudao.module.pay.enums.ErrorCodeConstants;
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import cn.iocoder.yudao.module.pay.enums.notify.PayNotifyStatusEnum;
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import cn.iocoder.yudao.module.pay.enums.notify.PayNotifyTypeEnum;
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import cn.iocoder.yudao.module.pay.enums.order.PayOrderNotifyStatusEnum;
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import cn.iocoder.yudao.module.pay.enums.order.PayOrderRefundStatusEnum;
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import cn.iocoder.yudao.module.pay.enums.order.PayOrderStatusEnum;
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import cn.iocoder.yudao.module.pay.enums.refund.PayRefundStatusEnum;
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import cn.iocoder.yudao.module.pay.enums.refund.PayRefundTypeEnum;
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import cn.iocoder.yudao.module.pay.service.app.PayAppService;
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import cn.iocoder.yudao.module.pay.service.channel.PayChannelService;
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import cn.iocoder.yudao.module.pay.service.notify.PayNotifyService;
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@ -38,8 +38,11 @@ import org.springframework.transaction.annotation.Transactional;
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import org.springframework.validation.annotation.Validated;
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import javax.annotation.Resource;
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import java.time.LocalDateTime;
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import java.util.List;
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import java.util.Objects;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString;
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/**
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* 退款订单 Service 实现类
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@ -59,8 +62,6 @@ public class PayRefundServiceImpl implements PayRefundService {
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@Resource
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private PayRefundMapper refundMapper;
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@Resource
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private PayOrderMapper orderMapper; // TODO @jason：需要改成不直接操作 db；
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@Resource
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private PayOrderService orderService;
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@ -80,7 +81,7 @@ public class PayRefundServiceImpl implements PayRefundService {
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@Override
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public Long getRefundCountByAppId(Long appId) {
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return refundMapper.selectCountByApp(appId);
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return refundMapper.selectCountByAppId(appId);
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}
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@Override
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@ -96,82 +97,82 @@ public class PayRefundServiceImpl implements PayRefundService {
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createPayRefund(PayRefundCreateReqDTO reqDTO) {
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// 获得 PayOrderDO
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PayOrderDO order = orderService.getOrder(reqDTO.getPayOrderId());
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// 校验订单是否存在
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if (Objects.isNull(order) ) {
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_ORDER_NOT_FOUND);
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}
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// 校验 App
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PayAppDO app = appService.validPayApp(order.getAppId());
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// 校验支付渠道是否有效
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// 1.1 校验 App
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PayAppDO app = appService.validPayApp(reqDTO.getAppId());
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// 1.2 校验支付订单
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PayOrderDO order = validatePayOrderCanRefund(reqDTO);
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// 1.3 校验支付渠道是否有效
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PayChannelDO channel = channelService.validPayChannel(order.getChannelId());
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// 校验支付客户端是否正确初始化
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PayClient client = payClientFactory.getPayClient(channel.getId());
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if (client == null) {
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log.error("[refund][渠道编号({}) 找不到对应的支付客户端]", channel.getId());
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_CHANNEL_CLIENT_NOT_FOUND);
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throw exception(ErrorCodeConstants.PAY_CHANNEL_CLIENT_NOT_FOUND);
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}
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// TODO 芋艿：待实现
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String merchantRefundId = "rrr" + RandomUtil.randomNumbers(16);
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// 校验退款的条件
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validatePayRefund(reqDTO, order);
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// 退款类型
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PayRefundTypeEnum refundType = PayRefundTypeEnum.SOME;
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if (Objects.equals(reqDTO.getPrice(), order.getPrice())) {
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refundType = PayRefundTypeEnum.ALL;
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// 1.4 校验退款订单是否已经存在
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PayRefundDO refund = refundMapper.selectByAppIdAndMerchantRefundId(
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app.getId(), reqDTO.getMerchantRefundId());
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if (refund != null) {
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throw exception(ErrorCodeConstants.PAY_REFUND_EXISTS);
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}
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PayOrderExtensionDO orderExtensionDO = orderExtensionService.getOrderExtension(order.getSuccessExtensionId());
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PayRefundDO payRefundDO = refundMapper.selectByTradeNoAndMerchantRefundNo(orderExtensionDO.getNo(),
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merchantRefundId); // TODO 芋艿：需要优化
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if (Objects.nonNull(payRefundDO)) {
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// 退款订单已经提交过。
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//TODO 校验相同退款单的金额
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// TODO @jason：咱要不封装一个 ObjectUtils.equalsAny
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if (Objects.equals(PayRefundStatusEnum.SUCCESS.getStatus(), payRefundDO.getStatus())) {
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//已成功退款
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_REFUND_SUCCEED);
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}
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//可以重复提交，保证 退款请求号 一致，由渠道保证幂等
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} else {
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// 成功，插入退款单 状态为生成.没有和渠道交互
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// TODO @jason：搞到 convert 里。一些额外的自动，手动 set 下；
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payRefundDO = PayRefundDO.builder()
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.appId(order.getAppId())
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.channelOrderNo(order.getChannelOrderNo())
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.channelCode(order.getChannelCode())
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.channelId(order.getChannelId())
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.orderId(order.getId())
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.merchantRefundId(merchantRefundId)
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.notifyUrl(app.getRefundNotifyUrl())
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.payPrice(order.getPrice())
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.refundPrice(reqDTO.getPrice())
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.userIp(reqDTO.getUserIp())
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.merchantOrderId(order.getMerchantOrderId())
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.no(orderExtensionDO.getNo())
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.status(PayRefundStatusEnum.WAITING.getStatus())
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.reason(reqDTO.getReason())
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.notifyStatus(PayOrderNotifyStatusEnum.NO.getStatus())
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.type(refundType.getStatus())
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.build();
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refundMapper.insert(payRefundDO);
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}
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// TODO @jason：搞到 convert 里。一些额外的自动，手动 set 下；
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// 2.1 插入退款单
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refund = PayRefundConvert.INSTANCE.convert(reqDTO)
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.setNo(generateRefundNo()).setOrderId(order.getId())
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.setChannelId(order.getChannelId()).setChannelCode(order.getChannelCode())
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// 商户相关的字段
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.setNotifyUrl(app.getRefundNotifyUrl()).setNotifyStatus(PayNotifyStatusEnum.WAITING.getStatus())
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// 渠道相关字段
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.setChannelOrderNo(order.getChannelOrderNo())
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// 退款相关字段
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.setStatus(PayRefundStatusEnum.WAITING.getStatus())
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.setPayPrice(order.getPrice()).setRefundPrice(reqDTO.getPrice());
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refundMapper.insert(refund);
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// 2.2 向渠道发起退款申请
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PayOrderExtensionDO orderExtension = orderExtensionService.getOrderExtension(order.getSuccessExtensionId());
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PayRefundUnifiedReqDTO unifiedReqDTO = new PayRefundUnifiedReqDTO();
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unifiedReqDTO.setPrice(reqDTO.getPrice())
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.setOutTradeNo(orderExtensionDO.getNo())
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.setOutRefundNo(merchantRefundId) // TODO 芋艿：需要优化
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.setOutTradeNo(orderExtension.getNo())
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.setOutRefundNo(refund.getNo())
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.setNotifyUrl(genChannelPayNotifyUrl(channel)) // TODO 芋艿：优化下 notifyUrl
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.setReason(reqDTO.getReason());
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// 向渠道发起退款申请
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client.unifiedRefund(unifiedReqDTO);
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// 检查是否失败，失败抛出业务异常。
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// TODO 渠道的异常记录。
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// TODO @jason：可以先打个 warn log 哈；
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PayRefundRespDTO refundRespDTO = client.unifiedRefund(unifiedReqDTO); // TODO 增加一个 channelErrorCode、channelErrorMsg 字段
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// 2.3 处理退款返回
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notifyRefund(channel, refundRespDTO);
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// 成功在 退款回调中处理
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return payRefundDO.getId();
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return refund.getId();
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}
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/**
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* 校验支付订单是否可以退款
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*
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* @param reqDTO 退款申请信息
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* @return 支付订单
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*/
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private PayOrderDO validatePayOrderCanRefund(PayRefundCreateReqDTO reqDTO) {
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PayOrderDO order = orderService.getOrder(reqDTO.getAppId(), reqDTO.getMerchantOrderId());
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if (order == null) {
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throw exception(ErrorCodeConstants.PAY_ORDER_NOT_FOUND);
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}
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// 校验状态，必须是支付状态
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if (!PayOrderStatusEnum.SUCCESS.getStatus().equals(order.getStatus())) {
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throw exception(ErrorCodeConstants.PAY_ORDER_STATUS_IS_NOT_SUCCESS);
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}
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// 是否已经全额退款
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if (PayOrderRefundStatusEnum.ALL.getStatus().equals(order.getRefundStatus())) {
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throw exception(ErrorCodeConstants.PAY_REFUND_ALL_REFUNDED);
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}
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// 校验金额 退款金额不能大于原定的金额
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if (reqDTO.getPrice() + order.getRefundPrice() > order.getPrice()){
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throw exception(ErrorCodeConstants.PAY_REFUND_PRICE_EXCEED);
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}
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// 是否有退款中的订单
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if (refundMapper.selectCountByAppIdAndOrderId(reqDTO.getAppId(), order.getId(),
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PayRefundStatusEnum.WAITING.getStatus()) > 0) {
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throw exception(ErrorCodeConstants.PAY_REFUND_HAS_REFUNDING);
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}
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return order;
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}
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/**
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@ -184,88 +185,80 @@ public class PayRefundServiceImpl implements PayRefundService {
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return payProperties.getCallbackUrl() + "/" + channel.getId();
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}
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private String generateRefundNo() {
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// wx
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// 2014
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// 10
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// 27
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// 20
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// 09
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// 39
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// 5522657
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// a690389285100
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// 目前的算法
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// 时间序列，年月日时分秒 14 位
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// 纯随机，6 位 TODO 芋艿：此处估计是会有问题的，后续在调整
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return DateUtil.format(LocalDateTime.now(), "yyyyMMddHHmmss") + // 时间序列
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RandomUtil.randomInt(100000, 999999) // 随机。为什么是这个范围，因为偷懒
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;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void notifyPayRefund(Long channelId, PayRefundRespDTO notify) {
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public void notifyRefund(Long channelId, PayRefundRespDTO notify) {
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// 校验支付渠道是否有效
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channelService.validPayChannel(channelId);
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// 通知结果
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// 校验支付渠道是否有效
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// TODO 芋艿：需要重构下这块的逻辑
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PayChannelDO channel = channelService.validPayChannel(channelId);
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// 更新退款订单
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TenantUtils.execute(channel.getTenantId(), () -> notifyRefund(channel, notify));
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}
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private void notifyRefund(PayChannelDO channel, PayRefundRespDTO notify) {
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if (PayRefundStatusRespEnum.isSuccess(notify.getStatus())) {
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payRefundSuccess(notify);
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notifyRefundSuccess(channel, notify);
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} else {
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// TODO @jason：那这里可以考虑打个 error logger @芋艿 微信是否存在支付异常通知
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notifyRefundFailure(channel, notify);
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}
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}
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private void payRefundSuccess(PayRefundRespDTO refundNotify) {
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// 校验退款单存在
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PayRefundDO refundDO = null; // TODO 芋艿：临时注释
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// PayRefundDO refundDO = refundMapper.selectByTradeNoAndMerchantRefundNo(refundNotify.getTradeNo(),
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// refundNotify.getReqNo());
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if (refundDO == null) {
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// TODO 芋艿：临时注释
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// log.error("[payRefundSuccess][不存在 seqNo 为{} 的支付退款单]", refundNotify.getReqNo());
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_REFUND_NOT_FOUND);
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private void notifyRefundSuccess(PayChannelDO channel, PayRefundRespDTO notify) {
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// 1.1 查询 PayRefundDO
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PayRefundDO refund = refundMapper.selectByAppIdAndNo(
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channel.getAppId(), notify.getOutRefundNo());
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if (refund == null) {
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throw exception(ErrorCodeConstants.PAY_REFUND_NOT_FOUND);
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}
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if (PayRefundStatusEnum.isSuccess(refund.getStatus())) { // 如果已经是成功，直接返回，不用重复更新
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return;
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}
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if (!PayRefundStatusEnum.WAITING.getStatus().equals(refund.getStatus())) {
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throw exception(ErrorCodeConstants.PAY_REFUND_STATUS_IS_NOT_WAITING);
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}
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// 得到已退金额
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PayOrderDO payOrderDO = orderService.getOrder(refundDO.getOrderId());
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Long refundedAmount = payOrderDO.getRefundPrice();
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PayOrderStatusEnum orderStatus = PayOrderStatusEnum.SUCCESS;
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if(Objects.equals(payOrderDO.getPrice(), refundedAmount+ refundDO.getRefundPrice())){
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//支付金额 = 已退金额 + 本次退款金额。
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orderStatus = PayOrderStatusEnum.CLOSED;
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// 1.2 更新 PayRefundDO
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PayRefundDO updateRefundObj = new PayRefundDO()
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.setSuccessTime(notify.getSuccessTime())
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.setChannelRefundNo(notify.getChannelRefundNo())
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.setStatus(PayRefundStatusEnum.SUCCESS.getStatus())
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.setChannelNotifyData(toJsonString(notify));
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int updateCounts = refundMapper.updateByIdAndStatus(refund.getId(), refund.getStatus(), updateRefundObj);
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if (updateCounts == 0) { // 校验状态，必须是等待状态
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throw exception(ErrorCodeConstants.PAY_REFUND_STATUS_IS_NOT_WAITING);
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}
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// 更新支付订单
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PayOrderDO updateOrderDO = new PayOrderDO();
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updateOrderDO.setId(refundDO.getOrderId())
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.setRefundPrice(refundedAmount + refundDO.getRefundPrice())
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.setStatus(orderStatus.getStatus())
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.setRefundTimes(payOrderDO.getRefundTimes() + 1)
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.setRefundStatus(refundDO.getType());
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orderMapper.updateById(updateOrderDO);
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// 更新退款订单
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PayRefundDO updateRefundDO = new PayRefundDO();
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updateRefundDO.setId(refundDO.getId())
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.setSuccessTime(refundNotify.getSuccessTime())
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// TODO 芋艿：如下两行，临时注释
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// .setChannelRefundNo(refundNotify.getChannelOrderNo())
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// .setNo(refundNotify.getTradeNo())
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.setStatus(PayRefundStatusEnum.SUCCESS.getStatus());
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refundMapper.updateById(updateRefundDO);
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// 2. 更新订单
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orderService.updateOrderRefundPrice(refund.getOrderId(), refund.getRefundPrice());
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// 插入退款通知记录
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// TODO 通知商户成功或者失败. 现在通知似乎没有实现， 只是回调
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// 3. 插入退款通知记录
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notifyService.createPayNotifyTask(PayNotifyTaskCreateReqDTO.builder()
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.type(PayNotifyTypeEnum.REFUND.getType()).dataId(refundDO.getId()).build());
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.type(PayNotifyTypeEnum.REFUND.getType()).dataId(refund.getId()).build());
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}
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/**
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* 校验是否进行退款
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*
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* @param reqDTO 退款申请信息
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* @param order 原始支付订单信息
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*/
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private void validatePayRefund(PayRefundCreateReqDTO reqDTO, PayOrderDO order) {
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// 校验状态，必须是支付状态
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if (!PayOrderStatusEnum.SUCCESS.getStatus().equals(order.getStatus())) {
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_ORDER_STATUS_IS_NOT_SUCCESS);
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}
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// 是否已经全额退款
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if (PayRefundTypeEnum.ALL.getStatus().equals(order.getRefundStatus())) {
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_REFUND_ALL_REFUNDED);
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}
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// 校验金额 退款金额不能大于 原定的金额
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if (reqDTO.getPrice() + order.getRefundPrice() > order.getPrice()){
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throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_PRICE_PRICE_EXCEED);
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}
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// 校验渠道订单号
|
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|
|
if (StrUtil.isEmpty(order.getChannelOrderNo())) {
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|
throw ServiceExceptionUtil.exception(ErrorCodeConstants.PAY_REFUND_CHN_ORDER_NO_IS_NULL);
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|
}
|
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|
//TODO 退款的期限 退款次数的控制
|
|
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|
|
private void notifyRefundFailure(PayChannelDO channel, PayRefundRespDTO notify) {
|
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|
|
// TODO 芋艿：未实现
|
|
|
|
|
}
|
|
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|
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|
|
|
|
}
|
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YunaiV
3 years ago