支付模块，发起交易，暂时是比较 demo 的代码。未完成~

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/scheduler/PayNotifyAppJob.java → pay/pay-application/src/main/java/cn/iocoder/mall/pay/application/scheduler/PayNotifyAppJob.java

-package cn.iocoder.mall.pay.scheduler;
+package cn.iocoder.mall.pay.application.scheduler;
 
 /**
  * TODO

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/PayTransactionService.java

@@ -2,13 +2,15 @@ package cn.iocoder.mall.pay.api;
 
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.pay.api.bo.PayTransactionBO;
+import cn.iocoder.mall.pay.api.bo.PayTransactionSubmitBO;
 import cn.iocoder.mall.pay.api.dto.PayTransactionCreateDTO;
+import cn.iocoder.mall.pay.api.dto.PayTransactionSubmitDTO;
 
 public interface PayTransactionService {
 
     CommonResult<PayTransactionBO> createTransaction(PayTransactionCreateDTO payTransactionCreateDTO);
 
-    CommonResult submitTransaction(); // TODO 1. params 2. result
+    CommonResult<PayTransactionSubmitBO> submitTransaction(PayTransactionSubmitDTO payTransactionSubmitDTO);
 
     CommonResult cancelTransaction(); // TODO 1. params 2. result
 

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/bo/PayTransactionSubmitBO.java

+package cn.iocoder.mall.pay.api.bo;
+
+/**
+ * 支付交易提交结果 BO
+ */
+public class PayTransactionSubmitBO {
+
+    /**
+     * 支付交易拓展单编号
+     */
+    private Integer id;
+    /**
+     * 调用三方平台的响应结果
+     */
+    private String invokeResponse;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public PayTransactionSubmitBO setId(Integer id) {
+        this.id = id;
+        return this;
+    }
+
+    public String getInvokeResponse() {
+        return invokeResponse;
+    }
+
+    public PayTransactionSubmitBO setInvokeResponse(String invokeResponse) {
+        this.invokeResponse = invokeResponse;
+        return this;
+    }
+
+}
\ No newline at end of file

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/constant/PayChannelEnum.java

@@ -8,7 +8,10 @@ public enum PayChannelEnum {
     WEIXIN_APP(100, "wx", "微信 App 支付"),
     WEIXIN_PUB(100, "wx", "微信 JS API 支付"),
 
-    ALIPAY(200, "alipay", "微信支付");
+    ALIPAY(200, "alipay", "微信支付"),
+
+    PINGXX(9999, "ping++", "ping++ 支付"),
+    ;
 
     /**
      * 渠道编号

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/constant/PayErrorCodeEnum.java

@@ -12,7 +12,8 @@ public enum PayErrorCodeEnum {
     PAY_APP_IS_DISABLE(1004000001, "App 已经被禁用"),
 
     // ========== TRANSACTION 模块 ==========
-
+    PAY_TRANSACTION_NOT_FOUND(100401000, "支付交易单不存在"),
+    PAY_TRANSACTION_STATUS_IS_NOT_WAITING(100401001, "支付交易单不处于待支付"),
 
     ;
 

pay/pay-service-api/src/main/java/cn/iocoder/mall/pay/api/dto/PayTransactionSubmitDTO.java

+package cn.iocoder.mall.pay.api.dto;
+
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+
+/**
+ * 支付交易提交 DTO
+ */
+public class PayTransactionSubmitDTO {
+
+    /**
+     * 应用编号
+     */
+    @NotEmpty(message = "应用编号不能为空")
+    private String appId;
+    /**
+     * 发起交易的 IP
+     */
+    @NotEmpty(message = "IP 不能为空")
+    private String createIp;
+    /**
+     * 业务线的订单编号
+     */
+    @NotEmpty(message = "订单号不能为空")
+    private String orderId;
+    /**
+     * 支付渠道
+     */
+    @NotNull(message = "支付渠道")
+    private Integer payChannel;
+
+    public String getAppId() {
+        return appId;
+    }
+
+    public PayTransactionSubmitDTO setAppId(String appId) {
+        this.appId = appId;
+        return this;
+    }
+
+    public String getCreateIp() {
+        return createIp;
+    }
+
+    public PayTransactionSubmitDTO setCreateIp(String createIp) {
+        this.createIp = createIp;
+        return this;
+    }
+
+    public String getOrderId() {
+        return orderId;
+    }
+
+    public PayTransactionSubmitDTO setOrderId(String orderId) {
+        this.orderId = orderId;
+        return this;
+    }
+
+    public Integer getPayChannel() {
+        return payChannel;
+    }
+
+    public PayTransactionSubmitDTO setPayChannel(Integer payChannel) {
+        this.payChannel = payChannel;
+        return this;
+    }
+
+}
\ No newline at end of file

pay/pay-service-impl/pom.xml

@@ -60,6 +60,13 @@
             <version>27.0.1-jre</version>
         </dependency>
 
+        <dependency>
+            <groupId>Pingplusplus</groupId>
+            <artifactId>pingpp-java</artifactId>
+            <version>2.2.4</version>
+            <type>jar</type>
+        </dependency>
+
     </dependencies>
 
     <build>
@@ -85,4 +92,15 @@
     </build>
 
 
+    <repositories>
+        <repository>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+            <id>central</id>
+            <name>bintray</name>
+            <url>http://jcenter.bintray.com</url>
+        </repository>
+    </repositories>
+
 </project>
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/client/AbstractPaySDK.java

+package cn.iocoder.mall.pay.client;
+
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.pay.dataobject.PayTransactionDO;
+import cn.iocoder.mall.pay.dataobject.PayTransactionExtensionDO;
+
+import java.util.Map;
+
+public abstract class AbstractPaySDK {
+
+    // extra 属性，用于支持不同支付平台的拓展字段。例如说，微信公众号支付，需要多传递一个 openid
+    public abstract CommonResult<String> submitTransaction(PayTransactionDO transaction,
+                                                           PayTransactionExtensionDO transactionExtension,
+                                                           Map<String, Object> extra);
+
+}
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/client/PaySDKFactory.java

+package cn.iocoder.mall.pay.client;
+
+import cn.iocoder.mall.pay.api.constant.PayChannelEnum;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class PaySDKFactory {
+
+    private static Map<Integer, AbstractPaySDK> SDKS = new HashMap<>();
+
+    static {
+        SDKS.put(PayChannelEnum.PINGXX.getId(), new PingxxPaySDK());
+    }
+
+    public static AbstractPaySDK getSDK(Integer payChannel) {
+        AbstractPaySDK sdk = SDKS.get(payChannel);
+        if (sdk == null) {
+            throw new NullPointerException("找不到合适的 PaySDK ：" + payChannel);
+        }
+        return sdk;
+    }
+
+}
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/client/PingxxPaySDK.java

+package cn.iocoder.mall.pay.client;
+
+import cn.iocoder.common.framework.vo.CommonResult;
+import cn.iocoder.mall.pay.dataobject.PayTransactionDO;
+import cn.iocoder.mall.pay.dataobject.PayTransactionExtensionDO;
+import com.google.common.collect.ImmutableMap;
+import com.pingplusplus.Pingpp;
+import com.pingplusplus.exception.*;
+import com.pingplusplus.model.Charge;
+
+import java.util.HashMap;
+import java.util.Map;
+
+// TODO 代码略乱，后面重构下
+public class PingxxPaySDK extends AbstractPaySDK {
+
+    static {
+        Pingpp.privateKeyPath = "/Users/yunai/Downloads/pingxx.pem";
+        Pingpp.apiKey = "sk_test_8a9SGSXLKqX1ennjX9DenvbT";
+    }
+
+    @Override
+    public CommonResult<String> submitTransaction(PayTransactionDO transaction, PayTransactionExtensionDO transactionExtension, Map<String, Object> extra) {
+        Map<String, Object> reqObj = createChargeRequest(transaction, transactionExtension, extra);
+        // 请求ping++
+        try {
+            Charge charge = Charge.create(reqObj);
+//            System.out.println(charge.toString());
+            return CommonResult.success(charge.toString());
+        } catch (AuthenticationException e) {
+            e.printStackTrace();
+        } catch (InvalidRequestException e) {
+            e.printStackTrace();
+        } catch (APIConnectionException e) {
+            e.printStackTrace();
+        } catch (APIException e) {
+            e.printStackTrace();
+        } catch (ChannelException e) {
+            e.printStackTrace();
+        } catch (RateLimitException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+
+    private Map<String, Object> createChargeRequest(PayTransactionDO transaction, PayTransactionExtensionDO transactionExtension, Map<String, Object> extra) {
+        // 计算支付渠道和支付额外参数
+        String channel = "wx_pub"; // 因为 ping++ 是用来做模拟支付的渠道，所以这里强制就选择了 wx_pub 微信公众号支付
+        extra = new HashMap<>(); // TODO 临时
+        extra.put("open_id", "just_for_test");
+        // 生成支付对象
+        Map<String, Object> reqObj = new HashMap<>();
+        reqObj.put("subject", transaction.getOrderSubject());
+        reqObj.put("body", transaction.getOrderDescription());
+        reqObj.put("description", transaction.getOrderMemo());
+        reqObj.put("amount", transaction.getPrice());
+        reqObj.put("order_no", transactionExtension.getTransactionCode());
+        reqObj.put("channel", channel);
+        reqObj.put("currency", "cny");
+        reqObj.put("client_ip", transactionExtension.getCreateIp());
+        reqObj.put("app", ImmutableMap.of("id", "app_aTyfXDjrvzDSbLuz")); // TODO 写死先
+        reqObj.put("extra", extra);
+        return reqObj;
+    }
+
+    public static void main(String[] args) {
+        PayTransactionDO transaction = new PayTransactionDO();
+        transaction.setOrderSubject("测试商品");
+        transaction.setOrderDescription("测试描述");
+        transaction.setPrice(1);
+
+        PayTransactionExtensionDO extension = new PayTransactionExtensionDO();
+        extension.setTransactionCode(System.currentTimeMillis() + "");
+        extension.setCreateIp("127.0.0.1");
+
+        new PingxxPaySDK().submitTransaction(transaction, extension, null);
+    }
+
+}
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/convert/PayTransactionConvert.java

@@ -2,7 +2,9 @@ package cn.iocoder.mall.pay.convert;
 
 import cn.iocoder.mall.pay.api.bo.PayTransactionBO;
 import cn.iocoder.mall.pay.api.dto.PayTransactionCreateDTO;
+import cn.iocoder.mall.pay.api.dto.PayTransactionSubmitDTO;
 import cn.iocoder.mall.pay.dataobject.PayTransactionDO;
+import cn.iocoder.mall.pay.dataobject.PayTransactionExtensionDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mappings;
 import org.mapstruct.factory.Mappers;
@@ -18,4 +20,7 @@ public interface PayTransactionConvert {
     @Mappings({})
     PayTransactionBO convert(PayTransactionDO payTransactionDO);
 
+    @Mappings({})
+    PayTransactionExtensionDO convert(PayTransactionSubmitDTO payTransactionSubmitDTO);
+
 }
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dao/PayTransactionExtensionMapper.java

+package cn.iocoder.mall.pay.dao;
+
+import cn.iocoder.mall.pay.dataobject.PayTransactionExtensionDO;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface PayTransactionExtensionMapper {
+
+    void insert(PayTransactionExtensionDO payTransactionExtensionDO);
+
+}
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/dao/PayTransactionMapper.java

 package cn.iocoder.mall.pay.dao;
 
 import cn.iocoder.mall.pay.dataobject.PayTransactionDO;
+import org.apache.ibatis.annotations.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
@@ -8,4 +9,7 @@ public interface PayTransactionMapper {
 
     void insert(PayTransactionDO entity);
 
+    PayTransactionDO selectByAppIdAndOrderId(@Param("appId") String appId,
+                                             @Param("orderId") String orderId);
+
 }
\ No newline at end of file

pay/pay-service-impl/src/main/java/cn/iocoder/mall/pay/service/PayServiceImpl.java

 package cn.iocoder.mall.pay.service;
 
+import cn.iocoder.common.framework.util.ServiceExceptionUtil;
 import cn.iocoder.common.framework.vo.CommonResult;
 import cn.iocoder.mall.pay.api.PayTransactionService;
 import cn.iocoder.mall.pay.api.bo.PayTransactionBO;
+import cn.iocoder.mall.pay.api.bo.PayTransactionSubmitBO;
+import cn.iocoder.mall.pay.api.constant.PayErrorCodeEnum;
+import cn.iocoder.mall.pay.api.constant.PayTransactionStatusEnum;
 import cn.iocoder.mall.pay.api.dto.PayTransactionCreateDTO;
+import cn.iocoder.mall.pay.api.dto.PayTransactionSubmitDTO;
+import cn.iocoder.mall.pay.client.PaySDKFactory;
+import cn.iocoder.mall.pay.convert.PayTransactionConvert;
+import cn.iocoder.mall.pay.dao.PayTransactionExtensionMapper;
 import cn.iocoder.mall.pay.dao.PayTransactionMapper;
 import cn.iocoder.mall.pay.dataobject.PayAppDO;
+import cn.iocoder.mall.pay.dataobject.PayTransactionDO;
+import cn.iocoder.mall.pay.dataobject.PayTransactionExtensionDO;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.Date;
+
 @Service
 @com.alibaba.dubbo.config.annotation.Service(validation = "true")
 public class PayServiceImpl implements PayTransactionService {
 
+    private Logger logger = LoggerFactory.getLogger(getClass());
+
     @Autowired
     private PayTransactionMapper payTransactionMapper;
     @Autowired
+    private PayTransactionExtensionMapper payTransactionExtensionMapper;
+    @Autowired
     private PayAppServiceImpl payAppService;
 
     @Override
+    @SuppressWarnings("Duplicates")
     public CommonResult<PayTransactionBO> createTransaction(PayTransactionCreateDTO payTransactionCreateDTO) {
         // 校验 App
         CommonResult<PayAppDO> appResult = payAppService.validPayApp(payTransactionCreateDTO.getAppId());
@@ -26,12 +45,57 @@ public class PayServiceImpl implements PayTransactionService {
             return CommonResult.error(appResult);
         }
         // 插入 PayTransactionDO
-        return null;
+        PayTransactionDO payTransaction = payTransactionMapper.selectByAppIdAndOrderId(
+                payTransactionCreateDTO.getAppId(), payTransactionCreateDTO.getOrderId());
+        if (payTransaction != null) {
+            logger.warn("[createTransaction][appId({}) orderId({}) exists]", payTransactionCreateDTO.getAppId(),
+                    payTransactionCreateDTO.getOrderId()); // 理论来说，不会出现这个情况
+            // TODO 芋艿 可能要考虑，更新订单。例如说，业务线订单可以修改价格
+        } else {
+            payTransaction = PayTransactionConvert.INSTANCE.convert(payTransactionCreateDTO);
+            payTransaction.setStatus(PayTransactionStatusEnum.WAITTING.getValue())
+                    .setNotifyUrl(appResult.getData().getNotifyUrl());
+            payTransaction.setCreateTime(new Date());
+            payTransactionMapper.insert(payTransaction);
+        }
+        // 返回成功
+        return CommonResult.success(PayTransactionConvert.INSTANCE.convert(payTransaction));
     }
 
     @Override
-    public CommonResult submitTransaction() {
-        return null;
+    @SuppressWarnings("Duplicates")
+    public CommonResult<PayTransactionSubmitBO> submitTransaction(PayTransactionSubmitDTO payTransactionSubmitDTO) {
+        // TODO 校验支付渠道是否有效
+        // 校验 App 是否有效
+        CommonResult<PayAppDO> appResult = payAppService.validPayApp(payTransactionSubmitDTO.getAppId());
+        if (appResult.isError()) {
+            return CommonResult.error(appResult);
+        }
+        // 获得 PayTransactionDO ，并校验其是否存在
+        PayTransactionDO payTransaction = payTransactionMapper.selectByAppIdAndOrderId(
+                payTransactionSubmitDTO.getAppId(), payTransactionSubmitDTO.getOrderId());
+        if (payTransaction == null) { // 是否存在
+            return ServiceExceptionUtil.error(PayErrorCodeEnum.PAY_TRANSACTION_NOT_FOUND.getCode());
+        }
+        if (PayTransactionStatusEnum.WAITTING.getValue().equals(payTransaction.getStatus())) { // 校验状态
+            return ServiceExceptionUtil.error(PayErrorCodeEnum.PAY_TRANSACTION_STATUS_IS_NOT_WAITING.getCode());
+        }
+        // 插入 PayTransactionExtensionDO
+        PayTransactionExtensionDO payTransactionExtensionDO = PayTransactionConvert.INSTANCE.convert(payTransactionSubmitDTO)
+                .setTransactionId(payTransaction.getId())
+                .setTransactionCode("TODO")
+                .setStatus(PayTransactionStatusEnum.WAITTING.getValue());
+        payTransactionExtensionMapper.insert(payTransactionExtensionDO);
+        // 调用三方接口
+        CommonResult<String> invokeResult = PaySDKFactory.getSDK(payTransactionSubmitDTO.getPayChannel()).submitTransaction(payTransaction, payTransactionExtensionDO, null); // TODO 暂时传入 extra = null
+        if (invokeResult.isError()) {
+            return CommonResult.error(invokeResult);
+        }
+        // TODO 轮询三方接口，是否已经支付的任务
+        // 返回成功
+        PayTransactionSubmitBO payTransactionSubmitBO = new PayTransactionSubmitBO()
+                .setId(payTransactionExtensionDO.getId()).setInvokeResponse(invokeResult.getData());
+        return CommonResult.success(payTransactionSubmitBO);
     }
 
     @Override
@@ -39,6 +103,4 @@ public class PayServiceImpl implements PayTransactionService {
         return null;
     }
 
-
-
 }
\ No newline at end of file