| | |
| | | import java.math.BigDecimal; |
| | | import java.time.LocalDateTime; |
| | | import java.time.temporal.TemporalAdjusters; |
| | | import java.util.Comparator; |
| | | import java.util.List; |
| | | import java.util.Objects; |
| | | import java.util.concurrent.TimeUnit; |
| | |
| | | // 获取锁,最多等待 10 秒,锁自动释放时间 30 秒 |
| | | if (lock.tryLock(10, 30, TimeUnit.SECONDS)) { |
| | | try { |
| | | // 活动优惠券和积分优惠券需要根据库存来控制- 根据优惠券的发放数量来控制有没有超发 |
| | | if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && ( |
| | | couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) || couponTemplateDO.getCategory().equals(CouponCategoryEnum.POINT.getStatus()) |
| | | )){ |
| | | // 活动优惠券 根据优惠券的发放数量来控制有没有超发 |
| | | if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) && |
| | | couponTemplateDO.getCategory().equals(CouponCategoryEnum.ACTIVITY.getStatus()) |
| | | ){ |
| | | // 获取当前优惠券已经领取的数量 |
| | | final Integer gainTotal = getExistGainCouponRecordAmountById(couponTemplateDO.getId()); |
| | | if(couponTemplateDO.getCouponAmount().compareTo(gainTotal)<=0){ |
| | | throw new ValidationException("当前优惠券已经领完!"); |
| | | } |
| | | } |
| | | if(StringUtils.isNotBlank(couponTemplateDO.getCategory()) |
| | | && couponTemplateDO.getCategory().equals(CouponCategoryEnum.POINT.getStatus() |
| | | )){ |
| | | // 获取当前优惠券已经领取的数量 |
| | | |
| | | if(couponTemplateDO.getCouponAmount()<=0){ |
| | | throw new ValidationException("当前优惠券已经领完!"); |
| | | }else{ |
| | | couponTemplateDO.setCouponAmount(couponTemplateDO.getCouponAmount()-1); |
| | | // 更新库存 |
| | | couponTemplateService.updateById(couponTemplateDO); |
| | | } |
| | | |
| | | } |
| | | |
| | | // 根据用户领取设置的getLimit 查看当前用户是否已经超领优惠券 |
| | |
| | | couponRecordDO.setCouponDiscountType(couponTemplateDO.getCouponDiscountType()); |
| | | couponRecordDO.setGetUserType(couponTemplateDO.getGetUserType()); |
| | | couponRecordDO.setPoint(couponTemplateDO.getPoint()); |
| | | couponRecordDO.setMemberId(couponRecordDO.getMemberId()); |
| | | couponRecordDO.setMemberId(couponTemplateDO.getMemberId()); |
| | | couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl()); |
| | | couponRecordDO.setCouponDescription(couponTemplateDO.getCouponDescription()); |
| | | |
| | | |
| | | // 根据优惠券模板来计算优惠券的生效开始时间和结束时间 |
| | |
| | | couponRecordDO.setEffectiveStart(firstDayStart); |
| | | couponRecordDO.setEffectiveEnd(lastDayEnd); |
| | | couponRecordDO.setMemberId(couponTemplateDO.getMemberId()); |
| | | couponRecordDO.setImageUrl(couponTemplateDO.getImageUrl()); |
| | | couponRecordDO.setCouponDescription(couponTemplateDO.getCouponDescription()); |
| | | // 创建信息 |
| | | couponRecordDO.create(); |
| | | if(!checkCurMonVipCouponExists(couponRecordDO.getCouponId(),couponRecordDO.getCustomerId(),firstDayStart,lastDayEnd)){ |
| | |
| | | ; |
| | | return baseMapper.selectCount(queryWrapper)>0; |
| | | } |
| | | |
| | | @Override |
| | | public boolean expireCouponRecordAll() { |
| | | |
| | | return couponRecordMapperCustom.expireCouponRecordAll(); |
| | | } |
| | | |
| | | @Override |
| | | public CouponRecordVO getUnusedFit(QueryMineCouponRecordDTO dto) { |
| | | |
| | | /** |
| | | * ①.先查询出满足条件的优惠券(满减面值最大) |
| | | * ②.查询面值最大的优惠券(无门槛面值最大) |
| | | * ③查询过期时间早的优惠券④在满足③的条件下,优先使用无门槛优惠券 |
| | | * ④基于以上规则如果还存在相同的优惠券,任意选择一张优惠券即可 |
| | | */ |
| | | |
| | | CouponRecordVO bestCoupon=null; |
| | | // 查出我所有可用优惠券 |
| | | final List<CouponRecordVO> mineCouponRecordList = getMineCouponRecordList(dto); |
| | | |
| | | if(null!=dto.getOrderAmount() && CollectionUtils.isNotEmpty(mineCouponRecordList)){ |
| | | // ①.先查询出满足条件的优惠券 |
| | | // 遍历优惠券列表,找出所有minOrderAmount >= dto.orderAmount ,且couponDiscountValue 最大的优惠券 |
| | | // 筛选符合条件并找出优惠面值最大的优惠券 |
| | | bestCoupon = mineCouponRecordList.stream() |
| | | // 筛选出 minOrderAmount >= dto.orderAmount 的优惠券并且优惠券类型是discount的 |
| | | .filter(coupon -> coupon.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType())) |
| | | .filter(coupon -> coupon.getMinOrderAmount().compareTo(dto.getOrderAmount()) <= 0) |
| | | // 按 couponDiscountValue 倒序排序 |
| | | .max(Comparator.comparing(CouponRecordVO::getCouponDiscountValue)) |
| | | // 如果没有符合条件的优惠券,使用 Optional.orElse(null) 返回 null |
| | | .orElse(null); |
| | | |
| | | if(null==bestCoupon){ |
| | | // ②.查询面值最大的优惠券(无门槛面值最大) |
| | | // 过滤出discountType 是zero的优惠券,并根据couponDiscountValue倒序排序 |
| | | bestCoupon = mineCouponRecordList.stream() |
| | | .filter(coupon -> coupon.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType())) |
| | | .max(Comparator.comparing(CouponRecordVO::getCouponDiscountValue)) |
| | | .orElse(null); |
| | | |
| | | // ③查询过期时间早的优惠券 |
| | | if(null!=bestCoupon){ |
| | | final BigDecimal zeroMaxCouponDiscountValue = bestCoupon.getCouponDiscountValue(); |
| | | // 过滤出discountType 是zero的优惠券,且couponDiscountValue与bestCoupon的couponDiscountValue面值一样的优惠券,并根据effectiveEnd正序排,获取第一条数据 |
| | | CouponRecordVO effectiveEndEarlyCoupon= mineCouponRecordList.stream() |
| | | .filter(coupon -> coupon.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType())) |
| | | .filter(coupon -> coupon.getCouponDiscountValue().compareTo(zeroMaxCouponDiscountValue)==0) |
| | | .min(Comparator.comparing(CouponRecordVO::getEffectiveEnd)) |
| | | .orElse(null); |
| | | if(null!=effectiveEndEarlyCoupon){ |
| | | bestCoupon=effectiveEndEarlyCoupon; |
| | | } |
| | | } |
| | | |
| | | } |
| | | } |
| | | return bestCoupon; |
| | | |
| | | } |
| | | } |