|  | @@ -1,39 +1,25 @@
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				|  |  |  package cn.iocoder.yudao.module.promotion.service.price;
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				|  |  |  
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				|  |  |  import cn.hutool.core.collection.CollUtil;
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				|  |  | -import cn.hutool.core.lang.Assert;
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				|  |  | -import cn.hutool.core.util.StrUtil;
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				|  |  |  import cn.iocoder.yudao.framework.common.exception.ServiceException;
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				|  |  |  import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
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				|  |  | -import cn.iocoder.yudao.module.product.api.sku.ProductSkuApi;
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				|  |  | -import cn.iocoder.yudao.module.product.api.sku.dto.ProductSkuRespDTO;
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				|  |  |  import cn.iocoder.yudao.module.promotion.api.price.dto.CouponMeetRespDTO;
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				|  |  |  import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateReqDTO;
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				|  |  |  import cn.iocoder.yudao.module.promotion.api.price.dto.PriceCalculateRespDTO;
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				|  |  |  import cn.iocoder.yudao.module.promotion.convert.price.PriceConvert;
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				|  |  |  import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
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				|  |  | -import cn.iocoder.yudao.module.promotion.dal.dataobject.reward.RewardActivityDO;
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				|  |  | -import cn.iocoder.yudao.module.promotion.enums.common.*;
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				|  |  |  import cn.iocoder.yudao.module.promotion.enums.coupon.CouponStatusEnum;
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				|  |  |  import cn.iocoder.yudao.module.promotion.service.coupon.CouponService;
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				|  |  | -import cn.iocoder.yudao.module.promotion.service.discount.DiscountActivityService;
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				|  |  | -import cn.iocoder.yudao.module.promotion.service.discount.bo.DiscountProductDetailBO;
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				|  |  | -import cn.iocoder.yudao.module.promotion.service.reward.RewardActivityService;
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				|  |  | -import com.google.common.base.Suppliers;
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				|  |  |  import lombok.extern.slf4j.Slf4j;
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				|  |  |  import org.springframework.stereotype.Service;
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				|  |  |  import org.springframework.validation.annotation.Validated;
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				|  |  |  
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				|  |  |  import javax.annotation.Resource;
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				|  |  | -import java.util.*;
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				|  |  | -import java.util.function.Supplier;
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				|  |  | +import java.util.Collections;
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				|  |  | +import java.util.List;
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				|  |  |  
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				|  |  | -import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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				|  |  | -import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
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				|  |  |  import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.getSumValue;
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				|  |  | -import static cn.iocoder.yudao.module.product.enums.ErrorCodeConstants.SKU_NOT_EXISTS;
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				|  |  | -import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
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				|  |  | -import static java.util.Collections.singletonList;
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				|  |  | +import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.COUPON_VALID_TIME_NOT_NOW;
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				|  |  |  
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				|  |  |  /**
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				|  |  |   * 价格计算 Service 实现类
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				|  | @@ -54,43 +40,14 @@ import static java.util.Collections.singletonList;
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				|  |  |  @Slf4j
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				|  |  |  public class PriceServiceImpl implements PriceService {
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				|  |  |  
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				|  |  | -    @Resource
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				|  |  | -    private DiscountActivityService discountService;
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				|  |  | -    @Resource
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				|  |  | -    private RewardActivityService rewardActivityService;
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				|  |  |      @Resource
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				|  |  |      private CouponService couponService;
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				|  |  |  
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				|  |  | -    @Resource
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				|  |  | -    private ProductSkuApi productSkuApi;
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				|  |  | -
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				|  |  | -    @Override
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				|  |  | -    public PriceCalculateRespDTO calculatePrice(PriceCalculateReqDTO calculateReqDTO) {
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				|  |  | -        // 获得商品 SKU 数组
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				|  |  | -        List<ProductSkuRespDTO> skuList = checkSkus(calculateReqDTO);
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				|  |  | -        // 初始化 PriceCalculateRespDTO 对象
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				|  |  | -        PriceCalculateRespDTO priceCalculate = PriceConvert.INSTANCE.convert(calculateReqDTO, skuList);
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				|  |  | -
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				|  |  | -        // 计算商品级别的价格
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				|  |  | -        calculatePriceForSkuLevel(calculateReqDTO.getUserId(), priceCalculate);
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				|  |  | -        // 计算订单级别的价格
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				|  |  | -        calculatePriceForOrderLevel(calculateReqDTO.getUserId(), priceCalculate);
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				|  |  | -        // 计算优惠劵级别的价格
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				|  |  | -        calculatePriceForCouponLevel(calculateReqDTO.getUserId(), calculateReqDTO.getCouponId(), priceCalculate);
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				|  |  | -
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				|  |  | -        // 如果最终支付金额小于等于 0,则抛出业务异常
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				|  |  | -        if (priceCalculate.getOrder().getPayPrice() <= 0) {
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				|  |  | -            log.error("[calculatePrice][价格计算不正确,请求 calculateReqDTO({}),结果 priceCalculate({})]",
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				|  |  | -                    calculateReqDTO, priceCalculate);
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				|  |  | -            throw exception(PRICE_CALCULATE_PAY_PRICE_ILLEGAL);
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				|  |  | -        }
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				|  |  | -        return priceCalculate;
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				|  |  | -    }
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				|  |  | -
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				|  |  |      @Override
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				|  |  |      public List<CouponMeetRespDTO> getMeetCouponList(PriceCalculateReqDTO calculateReqDTO) {
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				|  |  |          // 先计算一轮价格
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				|  |  | -        PriceCalculateRespDTO priceCalculate = calculatePrice(calculateReqDTO);
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				|  |  | +//        PriceCalculateRespDTO priceCalculate = calculatePrice(calculateReqDTO);
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				|  |  | +        PriceCalculateRespDTO priceCalculate = null;
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				|  |  |  
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				|  |  |          // 获得用户的待使用优惠劵
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				|  |  |          List<CouponDO> couponList = couponService.getCouponList(calculateReqDTO.getUserId(), CouponStatusEnum.UNUSED.getStatus());
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				|  | @@ -106,7 +63,9 @@ public class PriceServiceImpl implements PriceService {
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				|  |  |                  couponService.validCoupon(coupon);
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				|  |  |  
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				|  |  |                  // 获得匹配的商品 SKU 数组
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				|  |  | -                List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
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				|  |  | +                // TODO 芋艿:后续处理
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				|  |  | +//                List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
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				|  |  | +                List<PriceCalculateRespDTO.OrderItem> orderItems = null;
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				|  |  |                  if (CollUtil.isEmpty(orderItems)) {
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				|  |  |                      return couponMeetRespDTO.setMeet(false).setMeetTip("所结算商品没有符合条件的商品");
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				|  |  |                  }
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				|  | @@ -134,413 +93,4 @@ public class PriceServiceImpl implements PriceService {
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				|  |  |          });
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				|  |  |      }
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				|  |  |  
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				|  |  | -    private List<ProductSkuRespDTO> checkSkus(PriceCalculateReqDTO calculateReqDTO) {
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				|  |  | -        // 获得商品 SKU 数组
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				|  |  | -        Map<Long, Integer> skuIdCountMap = CollectionUtils.convertMap(calculateReqDTO.getItems(),
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				|  |  | -                PriceCalculateReqDTO.Item::getSkuId, PriceCalculateReqDTO.Item::getCount);
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				|  |  | -        List<ProductSkuRespDTO> skus = productSkuApi.getSkuList(skuIdCountMap.keySet());
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				|  |  | -
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				|  |  | -        // 校验商品 SKU
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				|  |  | -        skus.forEach(sku -> {
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				|  |  | -            Integer count = skuIdCountMap.get(sku.getId());
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				|  |  | -            if (count == null) {
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				|  |  | -                throw exception(SKU_NOT_EXISTS);
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				|  |  | -            }
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				|  |  | -            // 不校验库存不足,避免购物车场景,商品无货的情况
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				|  |  | -        });
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				|  |  | -        return skus;
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    // ========== 计算商品级别的价格 ==========
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				|  |  | -
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				|  |  | -    /**
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				|  |  | -     * 计算商品级别的价格,例如说:
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				|  |  | -     * 1. 会员折扣
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				|  |  | -     * 2. 限时折扣 {@link cn.iocoder.yudao.module.promotion.dal.dataobject.discount.DiscountActivityDO}
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				|  |  | -     *
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				|  |  | -     * 其中,会员折扣、限时折扣取最低价
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				|  |  | -     *
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				|  |  | -     * @param userId 用户编号
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				|  |  | -     * @param priceCalculate 价格计算的结果
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				|  |  | -     */
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				|  |  | -    private void calculatePriceForSkuLevel(Long userId, PriceCalculateRespDTO priceCalculate) {
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				|  |  | -        // 获取 SKU 级别的所有优惠信息
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				|  |  | -        Supplier<Double> memberDiscountPercentSupplier = getMemberDiscountPercentSupplier(userId);
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				|  |  | -        Map<Long, DiscountProductDetailBO> discountProducts = discountService.getMatchDiscountProducts(
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				|  |  | -                convertSet(priceCalculate.getOrder().getItems(), PriceCalculateRespDTO.OrderItem::getSkuId));
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				|  |  | -
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				|  |  | -        // 处理每个 SKU 的优惠
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				|  |  | -        priceCalculate.getOrder().getItems().forEach(orderItem -> {
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				|  |  | -            // 获取该 SKU 的优惠信息
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				|  |  | -            Double memberDiscountPercent = memberDiscountPercentSupplier.get();
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				|  |  | -            DiscountProductDetailBO discountProduct = discountProducts.get(orderItem.getSkuId());
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				|  |  | -            if (memberDiscountPercent == null && discountProduct == null) {
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				|  |  | -                return;
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				|  |  | -            }
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				|  |  | -            // 计算价格,判断选择哪个折扣
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				|  |  | -            Integer memberPrice = memberDiscountPercent != null ? (int) (orderItem.getPayPrice() * memberDiscountPercent / 100) : null;
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				|  |  | -            Integer promotionPrice = discountProduct != null ? getDiscountProductPrice(discountProduct, orderItem) : null;
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				|  |  | -            if (memberPrice == null) {
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				|  |  | -                calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
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				|  |  | -            } else if (promotionPrice == null) {
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				|  |  | -                calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
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				|  |  | -            } else if (memberPrice < promotionPrice) {
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				|  |  | -                calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
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				|  |  | -            } else {
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				|  |  | -                calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
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				|  |  | -            }
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				|  |  | -        });
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    private Integer getDiscountProductPrice(DiscountProductDetailBO discountProduct,
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				|  |  | -                                            PriceCalculateRespDTO.OrderItem orderItem) {
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				|  |  | -        Integer price = orderItem.getPayPrice();
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				|  |  | -        if (PromotionDiscountTypeEnum.PRICE.getType().equals(discountProduct.getDiscountType())) { // 减价
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				|  |  | -            price -= discountProduct.getDiscountPrice() * orderItem.getCount();
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				|  |  | -        } else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(discountProduct.getDiscountType())) { // 打折
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				|  |  | -            price = price * discountProduct.getDiscountPercent() / 100;
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				|  |  | -        } else {
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				|  |  | -            throw new IllegalArgumentException(String.format("优惠活动的商品(%s) 的优惠类型不正确", discountProduct));
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				|  |  | -        }
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				|  |  | -        return price;
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    private void calculatePriceByMemberDiscount(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
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				|  |  | -                                                Integer memberPrice) {
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				|  |  | -        // 记录优惠明细
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				|  |  | -        addPromotion(priceCalculate, orderItem, null, PromotionTypeEnum.MEMBER.getName(),
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				|  |  | -                PromotionTypeEnum.MEMBER.getType(), PromotionLevelEnum.SKU.getLevel(), memberPrice,
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				|  |  | -                true, StrUtil.format("会员折扣:省 {} 元", formatPrice(orderItem.getPayPrice() - memberPrice)));
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				|  |  | -        // 修改 SKU 的优惠
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				|  |  | -        modifyOrderItemPayPrice(orderItem, memberPrice, priceCalculate);
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    private void calculatePriceByDiscountActivity(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
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				|  |  | -                                                  DiscountProductDetailBO discountProduct, Integer promotionPrice) {
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				|  |  | -        // 记录优惠明细
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				|  |  | -        addPromotion(priceCalculate, orderItem, discountProduct.getActivityId(), discountProduct.getActivityName(),
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				|  |  | -                PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(), PromotionLevelEnum.SKU.getLevel(), promotionPrice,
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				|  |  | -                true, StrUtil.format("限时折扣:省 {} 元", formatPrice(orderItem.getPayPrice() - promotionPrice)));
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				|  |  | -        // 修改 SKU 的优惠
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				|  |  | -        modifyOrderItemPayPrice(orderItem, promotionPrice, priceCalculate);
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    // TODO 芋艿:提前实现
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				|  |  | -    private Supplier<Double> getMemberDiscountPercentSupplier(Long userId) {
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				|  |  | -        return Suppliers.memoize(() -> {
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				|  |  | -            if (userId == 1) {
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				|  |  | -                return 90d;
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				|  |  | -            }
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				|  |  | -            if (userId == 2) {
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				|  |  | -                return 80d;
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				|  |  | -            }
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				|  |  | -            return null; // 无优惠
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				|  |  | -        });
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    // ========== 计算商品级别的价格 ==========
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				|  |  | -
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				|  |  | -    /**
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				|  |  | -     * 计算订单级别的价格,例如说:
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				|  |  | -     * 1. 满减送 {@link cn.iocoder.yudao.module.promotion.dal.dataobject.reward.RewardActivityDO}
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				|  |  | -     *
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				|  |  | -     * @param userId 用户编号
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				|  |  | -     * @param priceCalculate 价格计算的结果
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				|  |  | -     */
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				|  |  | -    @SuppressWarnings("unused")
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				|  |  | -    private void calculatePriceForOrderLevel(Long userId, PriceCalculateRespDTO priceCalculate) {
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				|  |  | -        // 获取 SKU 级别的所有优惠信息
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				|  |  | -        Set<Long> spuIds = convertSet(priceCalculate.getOrder().getItems(), PriceCalculateRespDTO.OrderItem::getSpuId);
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				|  |  | -        Map<RewardActivityDO, Set<Long>> rewardActivities = rewardActivityService.getMatchRewardActivities(spuIds);
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				|  |  | -
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				|  |  | -        // 处理满减送活动
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				|  |  | -        if (CollUtil.isNotEmpty(rewardActivities)) {
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				|  |  | -            rewardActivities.forEach((rewardActivity, activitySpuIds) -> {
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				|  |  | -                List<PriceCalculateRespDTO.OrderItem> orderItems = CollectionUtils.filterList(priceCalculate.getOrder().getItems(),
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				|  |  | -                        orderItem -> CollUtil.contains(activitySpuIds, orderItem.getSpuId()));
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				|  |  | -                calculatePriceByRewardActivity(priceCalculate, orderItems, rewardActivity);
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				|  |  | -            });
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				|  |  | -        }
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    private void calculatePriceByRewardActivity(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
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				|  |  | -                                                RewardActivityDO rewardActivity) {
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				|  |  | -        // 获得最大匹配的满减送活动的规则
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				|  |  | -        RewardActivityDO.Rule rule = getLastMatchRewardActivityRule(rewardActivity, orderItems);
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				|  |  | -        if (rule == null) {
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				|  |  | -            // 获取不到的情况下,记录不满足的优惠明细
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				|  |  | -            addNotMeetPromotion(priceCalculate, orderItems, rewardActivity.getId(), rewardActivity.getName(),
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				|  |  | -                    PromotionTypeEnum.REWARD_ACTIVITY.getType(), PromotionLevelEnum.ORDER.getLevel(),
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				|  |  | -                    getRewardActivityNotMeetTip(rewardActivity));
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				|  |  | -            return;
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				|  |  | -        }
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				|  |  | -
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				|  |  | -        // 分摊金额
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				|  |  | -        List<Integer> discountPartPrices = dividePrice(orderItems, rule.getDiscountPrice());
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				|  |  | -        // 记录优惠明细
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				|  |  | -        addPromotion(priceCalculate, orderItems, rewardActivity.getId(), rewardActivity.getName(),
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				|  |  | -                PromotionTypeEnum.REWARD_ACTIVITY.getType(), PromotionLevelEnum.ORDER.getLevel(), discountPartPrices,
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				|  |  | -                true, StrUtil.format("满减送:省 {} 元", formatPrice(rule.getDiscountPrice())));
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				|  |  | -        // 修改 SKU 的分摊
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				|  |  | -        for (int i = 0; i < orderItems.size(); i++) {
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				|  |  | -            modifyOrderItemOrderPartPriceFromDiscountPrice(orderItems.get(i), discountPartPrices.get(i), priceCalculate);
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				|  |  | -        }
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				|  |  | -    }
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				|  |  | -
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				|  |  | -    /**
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				|  |  | -     * 获得最大匹配的满减送活动的规则
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				|  |  | -     *
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				|  |  | -     * @param rewardActivity 满减送活动
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				|  |  | -     * @param orderItems 商品项
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				|  |  | -     * @return 匹配的活动规则
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				|  |  | -     */
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				|  |  | -    private RewardActivityDO.Rule getLastMatchRewardActivityRule(RewardActivityDO rewardActivity,
 | 
	
		
			
				|  |  | -                                                                 List<PriceCalculateRespDTO.OrderItem> orderItems) {
 | 
	
		
			
				|  |  | -        Integer count = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getCount, Integer::sum);
 | 
	
		
			
				|  |  | -        // price 的计算逻辑,使用 orderDividePrice 的原因,主要考虑分摊后,这个才是该 SKU 当前真实的支付总价
 | 
	
		
			
				|  |  | -        Integer price = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
 | 
	
		
			
				|  |  | -        assert count != null && price != null;
 | 
	
		
			
				|  |  | -        for (int i = rewardActivity.getRules().size() - 1; i >= 0; i--) {
 | 
	
		
			
				|  |  | -            RewardActivityDO.Rule rule = rewardActivity.getRules().get(i);
 | 
	
		
			
				|  |  | -            if (PromotionConditionTypeEnum.PRICE.getType().equals(rewardActivity.getConditionType())
 | 
	
		
			
				|  |  | -                    && price >= rule.getLimit()) {
 | 
	
		
			
				|  |  | -                return rule;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            if (PromotionConditionTypeEnum.COUNT.getType().equals(rewardActivity.getConditionType())
 | 
	
		
			
				|  |  | -                    && count >= rule.getLimit()) {
 | 
	
		
			
				|  |  | -                return rule;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        return null;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 获得满减送活动部匹配时的提示
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param rewardActivity 满减送活动
 | 
	
		
			
				|  |  | -     * @return 提示
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private String getRewardActivityNotMeetTip(RewardActivityDO rewardActivity) {
 | 
	
		
			
				|  |  | -        return "TODO"; // TODO 芋艿:后面再想想
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    // ========== 计算优惠劵级别的价格 ==========
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private void calculatePriceForCouponLevel(Long userId, Long couponId, PriceCalculateRespDTO priceCalculate) {
 | 
	
		
			
				|  |  | -        // 校验优惠劵
 | 
	
		
			
				|  |  | -        if (couponId == null) {
 | 
	
		
			
				|  |  | -            return;
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        CouponDO coupon = couponService.validCoupon(couponId, userId);
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        // 获得匹配的商品 SKU 数组
 | 
	
		
			
				|  |  | -        List<PriceCalculateRespDTO.OrderItem> orderItems = getMatchCouponOrderItems(priceCalculate, coupon);
 | 
	
		
			
				|  |  | -        if (CollUtil.isEmpty(orderItems)) {
 | 
	
		
			
				|  |  | -            throw exception(COUPON_NO_MATCH_SPU);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        // 计算是否满足优惠劵的使用金额
 | 
	
		
			
				|  |  | -        Integer originPrice = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
 | 
	
		
			
				|  |  | -        assert originPrice != null;
 | 
	
		
			
				|  |  | -        if (originPrice < coupon.getUsePrice()) {
 | 
	
		
			
				|  |  | -            throw exception(COUPON_NO_MATCH_MIN_PRICE);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -        // 计算可以优惠的金额
 | 
	
		
			
				|  |  | -        priceCalculate.getOrder().setCouponId(couponId);
 | 
	
		
			
				|  |  | -        Integer couponPrice = getCouponPrice(coupon, originPrice);
 | 
	
		
			
				|  |  | -        // 分摊金额
 | 
	
		
			
				|  |  | -        List<Integer> couponPartPrices = dividePrice(orderItems, couponPrice);
 | 
	
		
			
				|  |  | -        // 记录优惠明细
 | 
	
		
			
				|  |  | -        addPromotion(priceCalculate, orderItems, coupon.getId(), coupon.getName(),
 | 
	
		
			
				|  |  | -                PromotionTypeEnum.COUPON.getType(), PromotionLevelEnum.COUPON.getLevel(), couponPartPrices,
 | 
	
		
			
				|  |  | -                true, StrUtil.format("优惠劵:省 {} 元", formatPrice(couponPrice)));
 | 
	
		
			
				|  |  | -        // 修改 SKU 的分摊
 | 
	
		
			
				|  |  | -        for (int i = 0; i < orderItems.size(); i++) {
 | 
	
		
			
				|  |  | -            modifyOrderItemOrderPartPriceFromCouponPrice(orderItems.get(i), couponPartPrices.get(i), priceCalculate);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private List<PriceCalculateRespDTO.OrderItem> getMatchCouponOrderItems(PriceCalculateRespDTO priceCalculate,
 | 
	
		
			
				|  |  | -                                                                           CouponDO coupon) {
 | 
	
		
			
				|  |  | -        if (PromotionProductScopeEnum.ALL.getScope().equals(coupon.getProductScope())) {
 | 
	
		
			
				|  |  | -            return priceCalculate.getOrder().getItems();
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        return CollectionUtils.filterList(priceCalculate.getOrder().getItems(),
 | 
	
		
			
				|  |  | -                orderItem -> coupon.getProductSpuIds().contains(orderItem.getSpuId()));
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private Integer getCouponPrice(CouponDO coupon, Integer originPrice) {
 | 
	
		
			
				|  |  | -        if (PromotionDiscountTypeEnum.PRICE.getType().equals(coupon.getDiscountType())) { // 减价
 | 
	
		
			
				|  |  | -            return coupon.getDiscountPrice();
 | 
	
		
			
				|  |  | -        } else if (PromotionDiscountTypeEnum.PERCENT.getType().equals(coupon.getDiscountType())) { // 打折
 | 
	
		
			
				|  |  | -            int couponPrice = originPrice * coupon.getDiscountPercent() / 100;
 | 
	
		
			
				|  |  | -            return coupon.getDiscountLimitPrice() == null ? couponPrice
 | 
	
		
			
				|  |  | -                    : Math.min(couponPrice, coupon.getDiscountLimitPrice()); // 优惠上限
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        throw new IllegalArgumentException(String.format("优惠劵(%s) 的优惠类型不正确", coupon));
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    // ========== 其它相对通用的方法 ==========
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 添加单个 OrderItem 的营销明细
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param priceCalculate 价格计算结果
 | 
	
		
			
				|  |  | -     * @param orderItem 单个订单商品 SKU
 | 
	
		
			
				|  |  | -     * @param id 营销编号
 | 
	
		
			
				|  |  | -     * @param name 营销名字
 | 
	
		
			
				|  |  | -     * @param type 营销类型
 | 
	
		
			
				|  |  | -     * @param level 营销级别
 | 
	
		
			
				|  |  | -     * @param newPayPrice 新的单实付金额(总)
 | 
	
		
			
				|  |  | -     * @param meet 是否满足优惠条件
 | 
	
		
			
				|  |  | -     * @param meetTip 满足条件的提示
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private void addPromotion(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
 | 
	
		
			
				|  |  | -                              Long id, String name, Integer type, Integer level,
 | 
	
		
			
				|  |  | -                              Integer newPayPrice, Boolean meet, String meetTip) {
 | 
	
		
			
				|  |  | -        // 创建营销明细 Item
 | 
	
		
			
				|  |  | -        // TODO 芋艿:orderItem.getPayPrice() 要不要改成 orderDividePrice;同时,newPayPrice 要不要改成直接传递 discountPrice
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.PromotionItem promotionItem = new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
 | 
	
		
			
				|  |  | -                .setOriginalPrice(orderItem.getPayPrice()).setDiscountPrice(orderItem.getPayPrice() - newPayPrice);
 | 
	
		
			
				|  |  | -        // 创建营销明细
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
 | 
	
		
			
				|  |  | -                .setId(id).setName(name).setType(type).setLevel(level)
 | 
	
		
			
				|  |  | -                .setTotalPrice(promotionItem.getOriginalPrice()).setDiscountPrice(promotionItem.getDiscountPrice())
 | 
	
		
			
				|  |  | -                .setItems(singletonList(promotionItem)).setMeet(meet).setMeetTip(meetTip);
 | 
	
		
			
				|  |  | -        priceCalculate.getPromotions().add(promotion);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 添加多个 OrderItem 的营销明细
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param priceCalculate 价格计算结果
 | 
	
		
			
				|  |  | -     * @param orderItems 多个订单商品 SKU
 | 
	
		
			
				|  |  | -     * @param id 营销编号
 | 
	
		
			
				|  |  | -     * @param name 营销名字
 | 
	
		
			
				|  |  | -     * @param type 营销类型
 | 
	
		
			
				|  |  | -     * @param level 营销级别
 | 
	
		
			
				|  |  | -     * @param discountPrices 多个订单商品 SKU 的优惠价格(总),和 orderItems 一一对应
 | 
	
		
			
				|  |  | -     * @param meet 是否满足优惠条件
 | 
	
		
			
				|  |  | -     * @param meetTip 满足条件的提示
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private void addPromotion(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
 | 
	
		
			
				|  |  | -                              Long id, String name, Integer type, Integer level,
 | 
	
		
			
				|  |  | -                              List<Integer> discountPrices, Boolean meet, String meetTip) {
 | 
	
		
			
				|  |  | -        // 创建营销明细 Item
 | 
	
		
			
				|  |  | -        List<PriceCalculateRespDTO.PromotionItem> promotionItems = new ArrayList<>(discountPrices.size());
 | 
	
		
			
				|  |  | -        for (int i = 0; i < orderItems.size(); i++) {
 | 
	
		
			
				|  |  | -            PriceCalculateRespDTO.OrderItem orderItem = orderItems.get(i);
 | 
	
		
			
				|  |  | -            promotionItems.add(new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
 | 
	
		
			
				|  |  | -                    .setOriginalPrice(orderItem.getPayPrice()).setDiscountPrice(discountPrices.get(i)));
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        // 创建营销明细
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
 | 
	
		
			
				|  |  | -                .setId(id).setName(name).setType(type).setLevel(level)
 | 
	
		
			
				|  |  | -                .setTotalPrice(getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum))
 | 
	
		
			
				|  |  | -                .setDiscountPrice(getSumValue(discountPrices, value -> value, Integer::sum))
 | 
	
		
			
				|  |  | -                .setItems(promotionItems).setMeet(meet).setMeetTip(meetTip);
 | 
	
		
			
				|  |  | -        priceCalculate.getPromotions().add(promotion);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private void addNotMeetPromotion(PriceCalculateRespDTO priceCalculate, List<PriceCalculateRespDTO.OrderItem> orderItems,
 | 
	
		
			
				|  |  | -                                     Long id, String name, Integer type, Integer level, String meetTip) {
 | 
	
		
			
				|  |  | -        // 创建营销明细 Item
 | 
	
		
			
				|  |  | -        List<PriceCalculateRespDTO.PromotionItem> promotionItems = CollectionUtils.convertList(orderItems,
 | 
	
		
			
				|  |  | -                orderItem -> new PriceCalculateRespDTO.PromotionItem().setSkuId(orderItem.getSkuId())
 | 
	
		
			
				|  |  | -                        .setOriginalPrice(orderItem.getOrderDividePrice()).setDiscountPrice(0));
 | 
	
		
			
				|  |  | -        // 创建营销明细
 | 
	
		
			
				|  |  | -        Integer originalPrice = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Promotion promotion = new PriceCalculateRespDTO.Promotion()
 | 
	
		
			
				|  |  | -                .setId(id).setName(name).setType(type).setLevel(level)
 | 
	
		
			
				|  |  | -                .setTotalPrice(originalPrice).setDiscountPrice(0)
 | 
	
		
			
				|  |  | -                .setItems(promotionItems).setMeet(false).setMeetTip(meetTip);
 | 
	
		
			
				|  |  | -        priceCalculate.getPromotions().add(promotion);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 修改 OrderItem 的 payPrice 价格,同时会修改 Order 的 payPrice 价格
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param orderItem 订单商品 SKU
 | 
	
		
			
				|  |  | -     * @param newPayPrice 新的 payPrice 价格
 | 
	
		
			
				|  |  | -     * @param priceCalculate 价格计算结果
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private void modifyOrderItemPayPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer newPayPrice,
 | 
	
		
			
				|  |  | -                                         PriceCalculateRespDTO priceCalculate) {
 | 
	
		
			
				|  |  | -        // diffPayPrice 等于额外增加的商品级的优惠
 | 
	
		
			
				|  |  | -        int diffPayPrice = orderItem.getPayPrice() - newPayPrice;
 | 
	
		
			
				|  |  | -        // 设置 OrderItem 价格相关字段
 | 
	
		
			
				|  |  | -        orderItem.setDiscountPrice(orderItem.getDiscountPrice() + diffPayPrice);
 | 
	
		
			
				|  |  | -        orderItem.setPayPrice(newPayPrice);
 | 
	
		
			
				|  |  | -        orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
 | 
	
		
			
				|  |  | -        // 设置 Order 相关相关字段
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
 | 
	
		
			
				|  |  | -        order.setPayPrice(order.getPayPrice() - diffPayPrice);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 修改 OrderItem 的 orderPartPrice 价格,同时会修改 Order 的 discountPrice 价格
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * 本质:分摊 Order 的 discountPrice 价格,到对应的 OrderItem 的 orderPartPrice 价格中
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param orderItem 订单商品 SKU
 | 
	
		
			
				|  |  | -     * @param addOrderPartPrice 新增的 discountPrice 价格
 | 
	
		
			
				|  |  | -     * @param priceCalculate 价格计算结果
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private void modifyOrderItemOrderPartPriceFromDiscountPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer addOrderPartPrice,
 | 
	
		
			
				|  |  | -                                                                PriceCalculateRespDTO priceCalculate) {
 | 
	
		
			
				|  |  | -        // 设置 OrderItem 价格相关字段
 | 
	
		
			
				|  |  | -        orderItem.setOrderPartPrice(orderItem.getOrderPartPrice() + addOrderPartPrice);
 | 
	
		
			
				|  |  | -        orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
 | 
	
		
			
				|  |  | -        // 设置 Order 相关相关字段
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
 | 
	
		
			
				|  |  | -        order.setDiscountPrice(order.getDiscountPrice() + addOrderPartPrice);
 | 
	
		
			
				|  |  | -        order.setPayPrice(order.getPayPrice() - addOrderPartPrice);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    /**
 | 
	
		
			
				|  |  | -     * 修改 OrderItem 的 orderPartPrice 价格,同时会修改 Order 的 couponPrice 价格
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * 本质:分摊 Order 的 couponPrice 价格,到对应的 OrderItem 的 orderPartPrice 价格中
 | 
	
		
			
				|  |  | -     *
 | 
	
		
			
				|  |  | -     * @param orderItem 订单商品 SKU
 | 
	
		
			
				|  |  | -     * @param addOrderPartPrice 新增的 couponPrice 价格
 | 
	
		
			
				|  |  | -     * @param priceCalculate 价格计算结果
 | 
	
		
			
				|  |  | -     */
 | 
	
		
			
				|  |  | -    private void modifyOrderItemOrderPartPriceFromCouponPrice(PriceCalculateRespDTO.OrderItem orderItem, Integer addOrderPartPrice,
 | 
	
		
			
				|  |  | -                                                              PriceCalculateRespDTO priceCalculate) {
 | 
	
		
			
				|  |  | -        // 设置 OrderItem 价格相关字段
 | 
	
		
			
				|  |  | -        orderItem.setOrderPartPrice(orderItem.getOrderPartPrice() + addOrderPartPrice);
 | 
	
		
			
				|  |  | -        orderItem.setOrderDividePrice(orderItem.getPayPrice() - orderItem.getOrderPartPrice());
 | 
	
		
			
				|  |  | -        // 设置 Order 相关相关字段
 | 
	
		
			
				|  |  | -        PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
 | 
	
		
			
				|  |  | -        order.setCouponPrice(order.getCouponPrice() + addOrderPartPrice);
 | 
	
		
			
				|  |  | -        order.setPayPrice(order.getPayPrice() - addOrderPartPrice);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private List<Integer> dividePrice(List<PriceCalculateRespDTO.OrderItem> orderItems, Integer price) {
 | 
	
		
			
				|  |  | -        List<Integer> prices = new ArrayList<>(orderItems.size());
 | 
	
		
			
				|  |  | -        Integer total = getSumValue(orderItems, PriceCalculateRespDTO.OrderItem::getOrderDividePrice, Integer::sum);
 | 
	
		
			
				|  |  | -        assert total != null;
 | 
	
		
			
				|  |  | -        int remainPrice = price;
 | 
	
		
			
				|  |  | -        // 遍历每一个,进行分摊
 | 
	
		
			
				|  |  | -        for (int i = 0; i < orderItems.size(); i++) {
 | 
	
		
			
				|  |  | -            PriceCalculateRespDTO.OrderItem orderItem = orderItems.get(i);
 | 
	
		
			
				|  |  | -            int partPrice;
 | 
	
		
			
				|  |  | -            if (i < orderItems.size() - 1) { // 减一的原因,是因为拆分时,如果按照比例,可能会出现.所以最后一个,使用反减
 | 
	
		
			
				|  |  | -                partPrice = (int) (price * (1.0D * orderItem.getOrderDividePrice() / total));
 | 
	
		
			
				|  |  | -                remainPrice -= partPrice;
 | 
	
		
			
				|  |  | -            } else {
 | 
	
		
			
				|  |  | -                partPrice = remainPrice;
 | 
	
		
			
				|  |  | -            }
 | 
	
		
			
				|  |  | -            Assert.isTrue(partPrice > 0, "分摊金额必须大于 0");
 | 
	
		
			
				|  |  | -            prices.add(partPrice);
 | 
	
		
			
				|  |  | -        }
 | 
	
		
			
				|  |  | -        return prices;
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  | -    private String formatPrice(Integer price) {
 | 
	
		
			
				|  |  | -        return String.format("%.2f", price / 100d);
 | 
	
		
			
				|  |  | -    }
 | 
	
		
			
				|  |  | -
 | 
	
		
			
				|  |  |  }
 |