From ae1471f378f399f76518539ec8992e64a3673436 Mon Sep 17 00:00:00 2001
From: 陶杰 <1378534974@qq.com>
Date: 星期三, 08 一月 2025 15:26:06 +0800
Subject: [PATCH] 1.订单提交：订单最小金额配置
---
src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java | 123 +++++++++++++++++++++++++++++++++++-----
1 files changed, 107 insertions(+), 16 deletions(-)
diff --git a/src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java b/src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java
index a55612d..398f1b3 100644
--- a/src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java
+++ b/src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java
@@ -33,6 +33,7 @@
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;
@@ -95,15 +96,29 @@
// 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
@@ -144,7 +159,9 @@
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
@@ -168,7 +185,7 @@
// 领取后有段时间 领取后有效时间
// 根据发放后有效期来设置时间
if (couponTemplateDO.getUsageTimeNum() == null || couponTemplateDO.getUsageTimeNum() <= 0) {
- throw new IllegalArgumentException("使用时间数量必须为正整数");
+ throw new ValidationException("使用时间数量必须为正整数");
}
LocalDateTime currentTime = LocalDateTime.now();
couponRecordDO.setEffectiveStart(currentTime);
@@ -276,6 +293,8 @@
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)){
@@ -395,6 +414,17 @@
}
@Override
+ public Integer getUserGainCouponRecordAmountByUserId(String couponId, String userId) {
+ QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
+ queryWrapper.lambda().eq(CouponRecordDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
+ .eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
+ .eq(null!=userId,CouponRecordDO::getUserId,userId)
+ ;
+
+ return baseMapper.selectCount(queryWrapper);
+ }
+
+ @Override
public List<CouponRecordVO> getMineCouponRecordList(QueryMineCouponRecordDTO dto) {
checkCouponExpired(dto);
return couponRecordMapperCustom.getMineCouponRecordList(dto);
@@ -437,50 +467,50 @@
public boolean useCoupon(String couponId, String orderId, BigDecimal orderMount) {
// 优惠券为空
if(StringUtils.isBlank(couponId)){
- throw new IllegalArgumentException("无效的优惠券");
+ throw new ValidationException("无效的优惠券");
}
if(StringUtils.isBlank(orderId)){
- throw new IllegalArgumentException("订单id不能为空");
+ throw new ValidationException("订单id不能为空");
}
if(orderMount.compareTo(BigDecimal.ZERO)<=0){
- throw new IllegalArgumentException("订单金额不能小于0");
+ throw new ValidationException("订单金额不能小于0");
}
// 验证优惠券存在且有效
final CouponRecordDO couponRecordDO = baseMapper.selectById(couponId);
if(null==couponRecordDO || StringUtils.isNotBlank(couponRecordDO.getOrderId()) ){
- throw new IllegalArgumentException("无效的优惠券");
+ throw new ValidationException("无效的优惠券");
}
if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.USED.getType())){
- throw new IllegalArgumentException("优惠券已经被使用");
+ throw new ValidationException("优惠券已经被使用");
}
if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.EXPIRED.getType()) || LocalDateTime.now().isAfter(couponRecordDO.getEffectiveEnd())){
- throw new IllegalArgumentException("优惠券已过期");
+ throw new ValidationException("优惠券已过期");
}
// 根据类型判断是无门槛还是满减，如果是无门槛
if(couponRecordDO.getCouponDiscountType().equals(CouponTypeEnum.ZERO.getType())){
// 无门槛，查看金额是否大于满减值
if(orderMount.compareTo(couponRecordDO.getCouponDiscountValue())<0){
- throw new IllegalArgumentException(String.format("订单金额(%s)小于无门槛的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
+ throw new ValidationException(String.format("订单金额(%s)小于无门槛的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
}
}
if(couponRecordDO.getCouponDiscountType().equals(CouponTypeEnum.DISCOUNT.getType())){
//满减，查看金额是否满足最小订单额
if(orderMount.compareTo(couponRecordDO.getMinOrderAmount())<0){
- throw new IllegalArgumentException(String.format("订单金额(%s)小于最低折扣订单金额(%s)", orderMount, couponRecordDO.getMinOrderAmount()));
+ throw new ValidationException(String.format("订单金额(%s)小于最低折扣订单金额(%s)", orderMount, couponRecordDO.getMinOrderAmount()));
}
if(orderMount.compareTo(couponRecordDO.getCouponDiscountValue())<0){
- throw new IllegalArgumentException(String.format("订单金额(%s)小于折扣的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
+ throw new ValidationException(String.format("订单金额(%s)小于折扣的金额(%s)", orderMount, couponRecordDO.getCouponDiscountValue()));
}
}
// 查看当前的优惠券是否是当前人员的
if(!SecurityUtils.getUserId().equals(couponRecordDO.getUserId())){
- throw new IllegalArgumentException("优惠券不属于当前人员");
+ throw new ValidationException("优惠券不属于当前人员");
}
// 优惠券使用操作
@@ -536,4 +566,65 @@
;
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;
+
+ }
}
--
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