Merge branch 'dev-coupon-recommend' into test6.9.6

@@ -15,9 +15,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import java.math.BigDecimal;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
+import java.util.*;
+import java.util.stream.Collectors;
 
 import static com.yohoufo.order.charge.model.ChargeParam.*;
 import static com.yohoufo.order.constants.ApiVersionConfig.*;
@@ -205,7 +204,36 @@ public class ChargeService {
         chargeContext.getChargeResult().getCouponPayResultList().setUsableCouponCount(usableCouponMatchResults.size());
 
         if (useCoupon) {
-            doCalculateCoupons(usableCouponMatchResults, chargeContext);
+
+            //默认
+            List<CouponMatchResult> betterCouponMatchResults = usableCouponMatchResults;
+
+            //活动券
+            List<CouponMatchResult> activityCouponMatchResults = usableCouponMatchResults.stream().filter(result -> result.isUsable())
+                    .filter(result -> result.getUserCouponsBo().getCouponType() == CouponTypeEnum.ACTIVITY_COUPON.getCode())
+                    .collect(Collectors.toList());
+
+            //运费券
+            List<CouponMatchResult> shippingCouponMatchResults = usableCouponMatchResults.stream().filter(result -> result.isUsable())
+                    .filter(result -> result.getUserCouponsBo().getCouponType() == CouponTypeEnum.SHIPPING_COUPON.getCode())
+                    .collect(Collectors.toList());
+
+            //运费金额
+            double finalShippingAmount = chargeContext.getChargeResult().getFinalShippingAmount();
+            //先匹配一下 运费券金额 >= 运费,优先使用金额等于运费的券
+            List<CouponMatchResult> betterShippingCouponMatchResults = shippingCouponMatchResults.stream()
+                    .filter(result -> result.getUserCouponsBo().getCouponAmount().doubleValue() >= finalShippingAmount)
+                    .collect(Collectors.toList());
+
+            if (CollectionUtils.isNotEmpty(betterShippingCouponMatchResults)) {
+                //存在金额 >= 运费的券，按照金额从小到大的顺序
+                betterShippingCouponMatchResults.sort(Comparator.comparing(result -> result.getUserCouponsBo().getCouponAmount()));
+
+                betterCouponMatchResults = new LinkedList<>(activityCouponMatchResults);
+                betterCouponMatchResults.addAll(betterShippingCouponMatchResults);
+            }
+
+            doCalculateCoupons(betterCouponMatchResults, chargeContext);
         }
     }