保存子订单的追加扣减记录

ghy-order/src/main/java/com/ghy/order/domain/OrderAddSubtract.java

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.annotation.JsonFormat;
 import com.ghy.common.enums.PayStatus;
 import com.ghy.common.enums.PayTypeEnum;
 import lombok.Data;
+import lombok.experimental.Accessors;
 
 import javax.validation.constraints.Max;
 import javax.validation.constraints.Min;
@@ -15,6 +16,7 @@ import java.time.LocalDateTime;
  * 订单追加扣减
  */
 @Data
+@Accessors(chain = true)
 public class OrderAddSubtract {
 
     private Long id;

ghy-order/src/main/java/com/ghy/order/mapper/OrderAddSubtractMapper.java

@@ -15,5 +15,7 @@ public interface OrderAddSubtractMapper {
 
     List<OrderAddSubtract> select(OrderAddSubtract insert);
 
+    List<OrderAddSubtract> selectByOrderDetail(Long orderDetailId);
+
     OrderAddSubtract selectById(Long id);
 }

ghy-order/src/main/java/com/ghy/order/service/impl/OrderDetailServiceImpl.java

@@ -797,8 +797,9 @@ public class OrderDetailServiceImpl implements OrderDetailService {
         FinancialDetail financialDetail = financialDetailService.selectByOrderDetailId(orderDetail.getId());
         Assert.notNull(financialDetail, "找不到财务单");
 
-        // 派单金额 = 财务单金额 - 已支付的加价记录
+        // 可用派单金额 = 财务单金额 - 已支付的加价记录 - 已支付的追加记录
         BigDecimal paiDanMoney = financialDetail.getPayMoney();
+
         // 已支付的加价记录
         List<FinancialChangeRecord> paidChangeRecords = financialChangeRecordService.selectByDetailIds(orderDetail.getId().toString())
                 .stream().filter(x -> x.getPayStatus() == 1).collect(Collectors.toList());
@@ -806,6 +807,15 @@ public class OrderDetailServiceImpl implements OrderDetailService {
             paiDanMoney = paiDanMoney.subtract(record.getChangeMoney());
         }
 
+        // 已支付的追加记录
+        List<OrderAddSubtract> orderAdds = orderAddSubtractMapper.select(new OrderAddSubtract()
+                .setOrderDetailId(orderDetail.getId()).setPayStatus(PayStatus.PAID.getCode()));
+        for (OrderAddSubtract oas : orderAdds) {
+            if (MoneyUtil.gt0(oas.getMoney())) {
+                paiDanMoney = paiDanMoney.subtract(oas.getMoney());
+            }
+        }
+
         // 如果这是扣减操作
         if (MoneyUtil.lt0(body.getMoney())) {
             // 扣减金额不能超过派单金额

ghy-order/src/main/resources/mapper/order/OrderAddSubtractMapper.xml

@@ -56,6 +56,9 @@
             <if test="paymentId != null and paymentId != ''">
                 AND payment_id = #{paymentId}
             </if>
+            <if test="payStatus != null and payStatus != ''">
+                AND pay_status = #{payStatus}
+            </if>
         </where>
     </select>
 
@@ -64,4 +67,9 @@
         WHERE id = #{id}
     </select>
 
+    <select id="selectByOrderDetail" resultMap="ColumnMap">
+        <include refid="selectColumns"/>
+        WHERE order_detail_id = #{orderDetailId}
+    </select>
+
 </mapper>