From af63efdfd4b82e1efa995992768c2f283fa6d98f Mon Sep 17 00:00:00 2001
From: Cui Zhi Feng <7426394+wuxixiaocui@user.noreply.gitee.com>
Date: 星期三, 04 九月 2024 15:43:04 +0800
Subject: [PATCH] 优惠券使用
---
src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java | 139 ++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 134 insertions(+), 5 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 2de8630..ec5067b 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
@@ -1,6 +1,7 @@
package com.mzl.flower.service.impl.coupon;
import cn.hutool.core.util.IdUtil;
+import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -29,9 +30,11 @@
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
+import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.time.temporal.TemporalAdjusters;
import java.util.List;
+import java.util.Objects;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
@@ -61,7 +64,6 @@
@Autowired
private CustomerService customerService;
-
@Override
@@ -248,6 +250,7 @@
public boolean grantVipCouponRecordList() {
try{
+
LocalDateTime now = LocalDateTime.now();
LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
@@ -271,11 +274,16 @@
couponRecordDO.setEffectiveStart(firstDayStart);
couponRecordDO.setEffectiveEnd(lastDayEnd);
couponRecordDO.setMemberId(couponTemplateDO.getMemberId());
-
// 创建信息
couponRecordDO.create();
- return couponRecordDO;
- }).collect(Collectors.toList());
+ if(!checkCurMonVipCouponExists(couponRecordDO.getCouponId(),couponRecordDO.getCustomerId(),firstDayStart,lastDayEnd)){
+ return couponRecordDO;
+ }else{
+ return null;
+ }
+
+ }).filter(Objects::nonNull)
+ .collect(Collectors.toList());
// 批量保存等级下的优惠券信息
saveBatch(gradeCouponRecordList);
@@ -284,6 +292,9 @@
couponTemplateDO.setUsageEndDate(lastDayEnd);
couponTemplateDO.setGetStartDate(firstDayStart);
couponTemplateDO.setGetEndDate(lastDayEnd);
+
+ // 设置总数为当前会员的人数
+ couponTemplateDO.setCouponAmount(CollectionUtils.isNotEmpty(customerList)?customerList.size():0);
// 设置默认类型固定
couponTemplateDO.setUsageType(CouponUsageTypeEnum.FIXED.getType());
@@ -304,7 +315,7 @@
}
@Override
- public boolean expiredCouponRecordByListCurMonth() {
+ public boolean expiredCouponRecordLastMon() {
try{
LocalDateTime now = LocalDateTime.now();
@@ -395,4 +406,122 @@
// 将未使用的优惠券直接过期
couponRecordMapperCustom.checkCouponExpired(dto);
}
+
+ @Override
+ public boolean checkCurMonVipCouponExists(String couponId, Long customId, LocalDateTime startDateTime, LocalDateTime endDateTime) {
+
+ LocalDateTime now = LocalDateTime.now();
+ LocalDateTime firstDayStart = now.with(TemporalAdjusters.firstDayOfMonth()).withHour(0).withMinute(0).withSecond(0).withNano(0);
+ LocalDateTime lastDayEnd = now.with(TemporalAdjusters.lastDayOfMonth()).withHour(23).withMinute(59).withSecond(59).withNano(0);
+ if(null==startDateTime){
+ startDateTime=firstDayStart;
+ }
+ if(null==endDateTime){
+ endDateTime=lastDayEnd;
+ }
+
+ QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
+ queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
+ .eq(CouponRecordDO::getCouponId,couponId)
+ .eq(CouponRecordDO::getCustomerId,customId)
+ .eq(CouponRecordDO::getEffectiveStart,startDateTime)
+ .eq(CouponRecordDO::getEffectiveEnd,endDateTime);
+ return baseMapper.selectCount(queryWrapper)>0;
+
+ }
+
+ @Transactional
+ @Override
+ 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");
+ }
+ if(StringUtils.isBlank(orderId)){
+ throw new IllegalArgumentException("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");
+ }
+
+ // 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");
+ }
+
+ if(couponRecordDO.getStatus().equals(CouponUsedStatusEnum.USED.getType())){
+ throw new IllegalArgumentException("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");
+ }
+
+ // 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()));
+ }
+ }
+
+ 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()));
+ }
+
+ 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()));
+ }
+ }
+
+ // 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");
+ }
+
+ // 优惠券使用操作
+ couponRecordDO.setStatus(CouponUsedStatusEnum.USED.getType());
+ couponRecordDO.setUsedTime(LocalDateTime.now());
+ couponRecordDO.setOrderId(orderId);
+
+ return baseMapper.updateById(couponRecordDO)>0;
+
+ }
+
+
+ @Transactional
+ @Override
+ public boolean cancelCouponUsage(String orderId) {
+ // 查询订单使用的优惠券
+ final CouponRecordDO couponRecordDO = getCouponByOrderId(orderId);
+ if(null==couponRecordDO){
+ throw new IllegalArgumentException("优惠券不存在，无法操作");
+ }
+ log.info("优惠券退回之前："+ JSON.toJSONString(couponRecordDO));
+ couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
+ couponRecordDO.setUsedTime(null);
+ couponRecordDO.setOrderId(null);
+ log.info("优惠券退回之后："+ JSON.toJSONString(couponRecordDO));
+ return baseMapper.updateById(couponRecordDO)>0;
+ }
+
+ @Override
+ public List<CouponRecordDO> getCouponListByOrderId(String orderId) {
+ QueryWrapper<CouponRecordDO> queryWrapper=new QueryWrapper<>();
+ queryWrapper.lambda().eq(CouponRecordDO::getDeleted,TrueOrFalseEnum.FALSE.isFlag())
+ .eq(CouponRecordDO::getOrderId,orderId);
+
+ return baseMapper.selectList(queryWrapper);
+ }
+
+ @Override
+ public CouponRecordDO getCouponByOrderId(String orderId) {
+ final List<CouponRecordDO> couponRecordDOList = getCouponListByOrderId(orderId);
+ if(CollectionUtils.isNotEmpty(couponRecordDOList)){
+ return couponRecordDOList.get(0);
+ }
+ return null;
+ }
}
--
Gitblit v1.9.3