test

soss-system/src/main/java/com/soss/system/service/impl/CouponUserServiceImpl.java

@@ -22,6 +22,7 @@ import org.springframework.util.CollectionUtils;
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
 import java.util.*;
+import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
@@ -214,6 +215,20 @@ public class CouponUserServiceImpl implements ICouponUserService {
                     return;
                 }
                 couponVo.setCouponAmount(couponVo.getPriceDiscount().min(orderTotalOrigDiscount));
+
+                AtomicReference<Integer> nums = new AtomicReference<>(0);
+                orderDetails.forEach(x -> nums.updateAndGet(v -> v + x.getNum()));
+                if (nums.get() <= 1) {
+                    OrderDetail orderDetail = orderDetails.get(0);
+                    orderDetail.setCouponAmount(couponVo.getCouponAmount());
+                    orderDetail.setRealAmount(orderDetail.getAmountShould().add(orderDetail.getCouponAmount()));
+                } else {
+                    orderDetails.forEach(orderDetail -> {
+                        BigDecimal rate = orderDetail.getAmountShould().divide(orderTotalOrigDiscount);
+                        orderDetail.setCouponAmount(couponVo.getCouponAmount().multiply(rate));
+                        orderDetail.setRealAmount(orderDetail.getAmountShould().add(orderDetail.getCouponAmount()));
+                    });
+                }
             } else {
                 List<OrderDetail> fitOrderDetails = orderDetails.stream().filter(orderDetail -> fitCouponGoodsIdList.contains(orderDetail.getGoodsId())).collect(Collectors.toList());
                 BigDecimal fitGoodsAmount = fitOrderDetails.stream().map(x -> x.getAmountShould().multiply(new BigDecimal(x.getNum()))).reduce(BigDecimal.ZERO, BigDecimal::add);