feat: add core entities, controllers, services, and mappers across multi-module project

mobileApp/src/main/java/cn/unizk/pay/handler/CoursePayHandler.java

@@ -0,0 +1,129 @@
+package cn.unizk.pay.handler;
+
+import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.IdUtil;
+import cn.unizk.entity.dto.PlaceOrderCommonDTO;
+import cn.unizk.entity.po.MobileOrder;
+import cn.unizk.entity.po.MobileOrderItem;
+import cn.unizk.enums.OrderStatus;
+import cn.unizk.enums.OrderTypeEnum;
+import cn.unizk.exception.BusinessException;
+import cn.unizk.mapper.MobileOrderItemMapper;
+import cn.unizk.mapper.MobileOrderMapper;
+import cn.unizk.pay.dto.BasePayResponse;
+import cn.unizk.pay.dto.CoursePayParam;
+import cn.unizk.pay.dto.PayBaseRequest;
+import cn.unizk.pay.enums.PayChannelEnum;
+import cn.unizk.pay.enums.PaySceneEnum;
+import cn.unizk.properties.HuiFuVendorProperties;
+import cn.unizk.utils.HFSignUtil;
+import cn.unizk.utils.HttpUtil;
+import com.alibaba.fastjson2.JSONObject;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.time.LocalDateTime;
+import java.util.Date;
+import java.util.Objects;
+
+/**
+ * @Author hao
+ * @Date 2026/7/7 17:01
+ * @Version 1.0
+ **/
+@Component
+@Slf4j
+public class CoursePayHandler extends PaySceneHandler<CoursePayParam> {
+
+    @Resource
+    private HuiFuVendorProperties vendorProperties;
+    @Resource
+    private MobileOrderMapper mobileOrderMapper;
+    @Resource
+    private MobileOrderItemMapper mobileOrderItemMapper;
+
+    @Override
+    public <R extends BasePayResponse> R scenePay(CoursePayParam param) {
+        if (param.getPayChannel().equals(PayChannelEnum.WECHAT.name()) && param.getStep() == 1){
+            BasePayResponse basePayResponse = new BasePayResponse();
+            MobileOrder mobileOrder = new MobileOrder();
+            String snowflakeNextIdStr = IdUtil.getSnowflakeNextIdStr();
+            mobileOrder.setOrderId(snowflakeNextIdStr);
+            mobileOrder.setMobileUserId(param.getMobileAppUserId());
+            mobileOrder.setCourseId(param.getCourseId());
+            mobileOrder.setDescription(PaySceneEnum.COURSE_PAY.getDescription());
+            BigDecimal price = new BigDecimal(param.getActualPayPrice());
+            price = price.setScale(2, RoundingMode.DOWN);
+            mobileOrder.setTotalPrice(price);
+            mobileOrder.setStatus(OrderStatus.unpaid.name());
+            mobileOrder.setCreateTime(LocalDateTime.now());
+            mobileOrderMapper.insert(mobileOrder);
+            basePayResponse.setOrderId(snowflakeNextIdStr);
+            return (R) basePayResponse;
+        }
+        log.info("param={}",param);
+        String now = DateUtil.format(new Date(), "yyyyMMdd");
+        BigDecimal price = new BigDecimal(param.getActualPayPrice());
+        price = price.setScale(2, RoundingMode.DOWN);
+        PlaceOrderCommonDTO dto = new PlaceOrderCommonDTO();
+        dto.setPrice(price.toString());
+        dto.setReqDate(now);
+        String reqSeqId = HFSignUtil.getReqSeqId();
+        dto.setReqSeqId(reqSeqId);
+        dto.setDescribe(PaySceneEnum.COURSE_PAY.getDescription());
+        JSONObject commonParams = super.createCommonParams(param,dto);
+        String res = HttpUtil.doPostJson(vendorProperties.getPayApi(), null, commonParams);
+        log.info("汇付下单返回：{}", res);
+        JSONObject response = JSONObject.parseObject(res);
+        if (response == null) {
+            throw new BusinessException("下单失败");
+        }
+        JSONObject responseData = response.getJSONObject("data");
+        String resp_code = responseData.getString("resp_code");
+        String pay_info = responseData.getString("pay_info");
+        log.info("下单返回支付信息pay_info={}",pay_info);
+        if ("00000000".equals(resp_code) || "00000100".equals(resp_code)){
+            if (param.getPayChannel().equals(PayChannelEnum.ALIPAY.name())){
+                MobileOrder mobileOrder = new MobileOrder();
+                String snowflakeNextIdStr = IdUtil.getSnowflakeNextIdStr();
+                mobileOrder.setOrderId(snowflakeNextIdStr);
+                mobileOrder.setOutTradeNo(reqSeqId);
+                mobileOrder.setStatus(OrderStatus.unpaid.name());
+                mobileOrder.setOrderType(OrderTypeEnum.COURSE_PAY.getCode());
+                mobileOrder.setDescription(param.getGoodDesc());
+                mobileOrder.setCourseId(param.getCourseId());
+                mobileOrder.setTotalPrice(price);
+                mobileOrder.setDeliveryWay("自提");
+                mobileOrder.setCreateTime(LocalDateTime.now());
+                mobileOrder.setMobileUserId(param.getMobileAppUserId());
+                mobileOrderMapper.insert(mobileOrder);
+            /*MobileOrderItem mobileOrderItem = new MobileOrderItem();
+            mobileOrderItem.setMobileOrderId(mobileOrder.getOrderId());
+            mobileOrderItem.setQuantity(1);
+            mobileOrderItem.setPrice(price);
+            mobileOrderItem.setCourseId(param.getCourseId());
+            mobileOrderItemMapper.insert(mobileOrderItem);*/
+                responseData.put("orderId",snowflakeNextIdStr);
+            }else if (param.getPayChannel().equals(PayChannelEnum.WECHAT.name()) && param.getStep() == 2){
+                MobileOrder mobileOrder = mobileOrderMapper.selectById(param.getOrderId());
+                if (Objects.isNull(mobileOrder)){
+                    throw new BusinessException(String.format("orderId:%s不存在",param.getOrderId()));
+                }
+                mobileOrder.setOutTradeNo(reqSeqId);
+                mobileOrder.setOrderType(OrderTypeEnum.COURSE_PAY.getCode());
+                mobileOrder.setMobileUserId(param.getMobileAppUserId());
+                mobileOrderMapper.updateById(mobileOrder);
+            }
+            return super.createResponse(param.getPayChannel(),responseData);
+        }
+        throw new BusinessException("下单失败");
+    }
+
+    @Override
+    public PaySceneEnum getSceneEnum() {
+        return null;
+    }
+}