From 0325d5bd06ea7c7230ea2dd9e78a076cbf41afb9 Mon Sep 17 00:00:00 2001
From: 陶杰 <1378534974@qq.com>
Date: 星期二, 03 九月 2024 17:33:22 +0800
Subject: [PATCH] 1.优惠券相关代码提交

---
 src/main/java/com/mzl/flower/service/impl/coupon/CouponRecordServiceImpl.java |  101 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 97 insertions(+), 4 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..9a58724 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
@@ -32,6 +32,7 @@
 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;
 
@@ -248,6 +249,7 @@
     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 +273,16 @@
                     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 +291,9 @@
                 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 +314,7 @@
     }
 
     @Override
-    public boolean expiredCouponRecordByListCurMonth() {
+    public boolean expiredCouponRecordLastMon() {
 
         try{
             LocalDateTime now = LocalDateTime.now();
@@ -395,4 +405,87 @@
         // 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) {
+        // 优惠券为空
+        if(StringUtils.isBlank(couponId)){
+            throw new IllegalArgumentException("无效的优惠券");
+        }
+        // 验证优惠券存在且有效
+        final CouponRecordDO couponRecordDO = baseMapper.selectById(couponId);
+        if(null==couponRecordDO || StringUtils.isBlank(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");
+        }
+        if(StringUtils.isBlank(orderId)){
+            throw new IllegalArgumentException("订单id不能为空");
+        }
+
+        // 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 couponId, String orderId) {
+        // 查询订单使用的优惠券
+        final CouponRecordDO couponRecordDO = getCouponByOrderId(orderId);
+        couponRecordDO.setStatus(CouponUsedStatusEnum.UNUSED.getType());
+        couponRecordDO.setUsedTime(null);
+        couponRecordDO.setOrderId(null);
+
+        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;
+    }
 }

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