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 |  101 ++++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 96 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 3a788f3..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
@@ -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)){
@@ -390,6 +409,17 @@
                 .eq(StringUtils.isNotBlank(couponId), CouponRecordDO::getCouponId,couponId)
                 .eq(null!=customerId,CouponRecordDO::getCustomerId,customerId)
                 ;
+
+        return baseMapper.selectCount(queryWrapper);
+    }
+
+    @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);
     }
@@ -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;
+
+    }
 }

--
Gitblit v1.9.3