package cn.lili.modules.promotion.serviceimpl;
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import cn.hutool.json.JSONUtil;
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import cn.lili.common.enums.PromotionTypeEnum;
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import cn.lili.common.enums.ResultCode;
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import cn.lili.common.exception.ServiceException;
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import cn.lili.modules.order.cart.entity.vo.FullDiscountVO;
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import cn.lili.modules.promotion.entity.dos.Coupon;
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import cn.lili.modules.promotion.entity.dos.FullDiscount;
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import cn.lili.modules.promotion.entity.dos.PromotionGoods;
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import cn.lili.modules.promotion.entity.dto.search.PromotionGoodsSearchParams;
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import cn.lili.modules.promotion.entity.enums.PromotionsScopeTypeEnum;
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import cn.lili.modules.promotion.entity.enums.PromotionsStatusEnum;
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import cn.lili.modules.promotion.mapper.FullDiscountMapper;
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import cn.lili.modules.promotion.service.CouponService;
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import cn.lili.modules.promotion.service.FullDiscountService;
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import cn.lili.modules.promotion.service.PromotionGoodsService;
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import cn.lili.modules.promotion.tools.PromotionTools;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/**
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* 满优惠业务层实现
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*
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* @author Chopper
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* @since 2020/8/21
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*/
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@Service
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public class FullDiscountServiceImpl extends AbstractPromotionsServiceImpl<FullDiscountMapper, FullDiscount> implements FullDiscountService {
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/**
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* 优惠券
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*/
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@Autowired
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private CouponService couponService;
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/**
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* 促销商品
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*/
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@Autowired
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private PromotionGoodsService promotionGoodsService;
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@Override
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public List<FullDiscountVO> currentPromotion(List<String> storeId) {
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List<FullDiscountVO> result = new ArrayList<>();
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QueryWrapper<FullDiscount> queryWrapper = new QueryWrapper<>();
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queryWrapper.in(storeId != null && !storeId.isEmpty(), "store_id", storeId);
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queryWrapper.and(PromotionTools.queryPromotionStatus(PromotionsStatusEnum.START));
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List<FullDiscount> list = this.list(queryWrapper);
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if (list != null) {
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for (FullDiscount fullDiscount : list) {
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PromotionGoodsSearchParams searchParams = new PromotionGoodsSearchParams();
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searchParams.setPromotionId(fullDiscount.getId());
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FullDiscountVO fullDiscountVO = new FullDiscountVO(fullDiscount);
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fullDiscountVO.setPromotionGoodsList(promotionGoodsService.listFindAll(searchParams));
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result.add(fullDiscountVO);
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}
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}
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return result;
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}
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/**
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* 获取满优惠活动详情
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*
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* @param id 满优惠KID
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* @return 满优惠活动详情
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*/
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@Override
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public FullDiscountVO getFullDiscount(String id) {
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FullDiscount fullDiscount = this.checkFullDiscountExist(id);
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FullDiscountVO fullDiscountVO = new FullDiscountVO(fullDiscount);
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PromotionGoodsSearchParams searchParams = new PromotionGoodsSearchParams();
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searchParams.setPromotionId(fullDiscount.getId());
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fullDiscountVO.setPromotionGoodsList(promotionGoodsService.listFindAll(searchParams));
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return fullDiscountVO;
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}
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/**
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* 检查促销参数
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*
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* @param promotions 促销实体
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*/
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@Override
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public void checkPromotions(FullDiscount promotions) {
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super.checkPromotions(promotions);
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if (promotions instanceof FullDiscountVO) {
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FullDiscountVO fullDiscountVO = (FullDiscountVO) promotions;
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//验证是否是有效参数
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PromotionTools.checkPromotionTime(fullDiscountVO.getStartTime(), fullDiscountVO.getEndTime());
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}
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//检查满减参数
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this.checkFullDiscount(promotions);
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}
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/**
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* 更新促销商品信息
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*
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* @param promotions 促销实体
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* @return 是否更新成功
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*/
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@Override
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@Transactional(rollbackFor = {Exception.class})
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public boolean updatePromotionsGoods(FullDiscount promotions) {
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boolean result = super.updatePromotionsGoods(promotions);
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if (!PromotionsStatusEnum.CLOSE.name().equals(promotions.getPromotionStatus()) && PromotionsScopeTypeEnum.PORTION_GOODS.name().equals(promotions.getScopeType()) && promotions instanceof FullDiscountVO) {
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FullDiscountVO fullDiscountVO = (FullDiscountVO) promotions;
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List<PromotionGoods> promotionGoodsList =
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PromotionTools.promotionGoodsInit(fullDiscountVO.getPromotionGoodsList(), fullDiscountVO,
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PromotionTypeEnum.FULL_DISCOUNT);
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this.promotionGoodsService.deletePromotionGoods(Collections.singletonList(promotions.getId()));
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//促销活动商品更新
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result = this.promotionGoodsService.saveBatch(promotionGoodsList);
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}
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return result;
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}
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/**
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* 更新促销信息到商品索引
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*
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* @param promotions 促销实体
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*/
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@Override
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public void updateEsGoodsIndex(FullDiscount promotions) {
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FullDiscount fullDiscount = JSONUtil.parse(promotions).toBean(FullDiscount.class);
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super.updateEsGoodsIndex(fullDiscount);
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}
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/**
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* 当前促销类型
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*
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* @return 当前促销类型
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*/
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@Override
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public PromotionTypeEnum getPromotionType() {
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return PromotionTypeEnum.FULL_DISCOUNT;
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}
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/**
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* 检查满优惠活动是否存在
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*
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* @param id 满优惠活动id
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* @return 满优惠活动
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*/
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private FullDiscount checkFullDiscountExist(String id) {
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FullDiscount fullDiscount = this.getById(id);
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if (fullDiscount == null) {
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throw new ServiceException(ResultCode.FULL_DISCOUNT_NOT_EXIST_ERROR);
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}
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return fullDiscount;
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}
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/**
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* 检查满减参数
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*
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* @param fullDiscount 满减参数信息
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*/
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private void checkFullDiscount(FullDiscount fullDiscount) {
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if (fullDiscount.getFullMinusFlag() == null && fullDiscount.getCouponFlag() == null && fullDiscount.getGiftFlag() == null && fullDiscount.getPointFlag() == null && fullDiscount.getFullRateFlag() == null) {
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throw new ServiceException(ResultCode.FULL_DISCOUNT_WAY_ERROR);
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}
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//如果优惠方式是满减
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if (Boolean.TRUE.equals(fullDiscount.getFullMinusFlag())) {
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this.checkFullMinus(fullDiscount.getFullMinus(), fullDiscount.getFullMoney());
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fullDiscount.setTitle("满" + fullDiscount.getFullMoney() + " 减" + fullDiscount.getFullMinus());
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}
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//如果优惠方式是赠品
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if (Boolean.TRUE.equals(fullDiscount.getGiftFlag())) {
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//是否没有选择赠品
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boolean noGiftSelected = fullDiscount.getGiftId() == null;
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if (noGiftSelected) {
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throw new ServiceException(ResultCode.FULL_DISCOUNT_GIFT_ERROR);
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}
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} else {
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fullDiscount.setGiftId(null);
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}
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//如果优惠方式是赠优惠券
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if (Boolean.TRUE.equals(fullDiscount.getCouponFlag())) {
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this.checkCoupon(fullDiscount.getCouponId());
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} else {
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fullDiscount.setCouponId(null);
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}
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//如果优惠方式是折扣
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if (Boolean.TRUE.equals(fullDiscount.getFullRateFlag())) {
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this.checkFullRate(fullDiscount.getFullRate());
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fullDiscount.setTitle("满" + fullDiscount.getFullMoney() + " 打" + fullDiscount.getFullRate() + "折");
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}
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}
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/**
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* 检查优惠券信息
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*
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* @param couponId 优惠券编号
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*/
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private void checkCoupon(String couponId) {
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//是否没有选择优惠券
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boolean noCouponSelected = couponId == null;
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if (noCouponSelected) {
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throw new ServiceException(ResultCode.COUPON_NOT_EXIST);
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}
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Coupon coupon = this.couponService.getById(couponId);
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if (coupon == null) {
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throw new ServiceException(ResultCode.COUPON_NOT_EXIST);
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}
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}
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/**
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* 检查满减信息
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*
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* @param fullMinus 满减金额
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* @param fullMoney 优惠门槛
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*/
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private void checkFullMinus(Double fullMinus, Double fullMoney) {
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//是否没有填写满减金额
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boolean noFullMinusInput = fullMinus == null || fullMinus == 0;
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if (noFullMinusInput) {
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throw new ServiceException(ResultCode.FULL_DISCOUNT_MONEY_ERROR);
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}
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if (fullMinus > fullMoney) {
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throw new ServiceException(ResultCode.FULL_DISCOUNT_MONEY_GREATER_THAN_MINUS);
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}
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}
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/**
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* 检查打折信息
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*
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* @param fullRate 打折数值
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*/
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private void checkFullRate(Double fullRate) {
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//是否没有填写打折数值
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boolean noFullRateInput = fullRate == null || fullRate == 0;
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if (noFullRateInput) {
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throw new ServiceException(ResultCode.FULL_RATE_NUM_ERROR);
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}
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int rateLimit = 10;
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if (fullRate >= rateLimit || fullRate <= 0) {
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throw new ServiceException(ResultCode.FULL_RATE_NUM_ERROR);
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}
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}
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}
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