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【代码优化】商城: 满减送活动
This commit is contained in:
@@ -11,6 +11,7 @@ import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.List;
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import java.util.Map;
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/**
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@@ -43,13 +44,13 @@ public class CouponApiImpl implements CouponApi {
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}
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@Override
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public void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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couponService.takeCouponsByAdmin(giveCouponsMap, userId);
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public List<Long> takeCouponsByAdmin(Map<Long, Integer> giveCoupons, Long userId) {
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return couponService.takeCouponsByAdmin(giveCoupons, userId);
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}
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@Override
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public void invalidateCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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couponService.invalidateCouponsByAdmin(giveCouponsMap, userId);
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public void invalidateCouponsByAdmin(List<Long> giveCouponIds, Long userId) {
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couponService.invalidateCouponsByAdmin(giveCouponIds, userId);
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}
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}
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@@ -8,6 +8,7 @@ import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
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import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.coupon.CouponPageReqVO;
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import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponDO;
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import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.github.yulichang.toolkit.MPJWrappers;
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import org.apache.ibatis.annotations.Mapper;
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@@ -72,15 +73,6 @@ public interface CouponMapper extends BaseMapperX<CouponDO> {
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);
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}
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default List<CouponDO> selectListByTemplateIdAndUserIdAndTakeType(Long templateId, Collection<Long> userIds,
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Integer takeType) {
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return selectList(new LambdaQueryWrapperX<CouponDO>()
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.eq(CouponDO::getTemplateId, templateId)
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.eq(CouponDO::getTakeType, takeType)
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.in(CouponDO::getUserId, userIds)
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);
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}
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default Map<Long, Integer> selectCountByUserIdAndTemplateIdIn(Long userId, Collection<Long> templateIds) {
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String templateIdAlias = "templateId";
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String countAlias = "count";
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@@ -116,4 +108,11 @@ public interface CouponMapper extends BaseMapperX<CouponDO> {
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);
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}
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default List<CouponDO> selectListByIdAndUserIdAndTakeType(Long couponId, Long userId, Integer takeType) {
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return selectList(new LambdaQueryWrapper<CouponDO>()
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.eq(CouponDO::getId, couponId)
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.eq(CouponDO::getUserId, userId)
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.eq(CouponDO::getTakeType, takeType));
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}
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}
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@@ -38,14 +38,6 @@ public interface CouponService {
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*/
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void validCoupon(CouponDO coupon);
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/**
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* 获得优惠劵分页
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*
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* @param pageReqVO 分页查询
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* @return 优惠劵分页
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*/
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PageResult<CouponDO> getCouponPage(CouponPageReqVO pageReqVO);
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/**
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* 使用优惠劵
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*
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@@ -69,57 +61,43 @@ public interface CouponService {
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*/
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void deleteCoupon(Long id);
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/**
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* 获得用户的优惠劵列表
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*
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* @param userId 用户编号
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* @param status 优惠劵状态
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* @return 优惠劵列表
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*/
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List<CouponDO> getCouponList(Long userId, Integer status);
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/**
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* 获得未使用的优惠劵数量
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*
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* @param userId 用户编号
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* @return 未使用的优惠劵数量
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*/
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Long getUnusedCouponCount(Long userId);
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/**
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* 领取优惠券
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*
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* @param templateId 优惠券模板编号
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* @param userIds 用户编号列表
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* @param takeType 领取方式
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* @return key: userId, value: 优惠券编号列表
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*/
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void takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType);
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Map<Long, List<Long>> takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType);
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/**
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* 【管理员】给用户发送优惠券
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*
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* @param templateId 优惠券模板编号
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* @param userIds 用户编号列表
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* @return key: userId, value: 优惠券编号列表
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*/
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default void takeCouponByAdmin(Long templateId, Set<Long> userIds) {
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takeCoupon(templateId, userIds, CouponTakeTypeEnum.ADMIN);
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default Map<Long, List<Long>> takeCouponByAdmin(Long templateId, Set<Long> userIds) {
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return takeCoupon(templateId, userIds, CouponTakeTypeEnum.ADMIN);
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}
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/**
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* 【管理员】给指定用户批量发送优惠券
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*
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* @param giveCouponsMap key: 优惠劵编号,value:对应的优惠券数量
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* @param giveCoupons key: 优惠劵模版编号,value:对应的数量
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* @param userId 用户编号
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* @return 优惠券编号列表
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*/
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void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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List<Long> takeCouponsByAdmin(Map<Long, Integer> giveCoupons, Long userId);
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/**
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* 【管理员】收回给指定用户批量发送优惠券
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* 【管理员】作废指定用户的指定优惠劵
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*
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* @param giveCouponsMap key: 优惠劵编号,value:对应的优惠券数量
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* @param giveCouponIds 赠送的优惠券编号
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* @param userId 用户编号
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*/
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void invalidateCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId);
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void invalidateCouponsByAdmin(List<Long> giveCouponIds, Long userId);
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/**
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* 【会员】领取优惠券
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@@ -138,6 +116,49 @@ public interface CouponService {
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*/
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void takeCouponByRegister(Long userId);
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/**
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* 过期优惠券
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*
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* @return 过期数量
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*/
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int expireCoupon();
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//======================= 查询相关 =======================
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/**
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* 获得未使用的优惠劵数量
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*
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* @param userId 用户编号
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* @return 未使用的优惠劵数量
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*/
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Long getUnusedCouponCount(Long userId);
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/**
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* 获得优惠劵分页
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*
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* @param pageReqVO 分页查询
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* @return 优惠劵分页
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*/
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PageResult<CouponDO> getCouponPage(CouponPageReqVO pageReqVO);
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/**
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* 获得用户的优惠劵列表
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*
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* @param userId 用户编号
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* @param status 优惠劵状态
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* @return 优惠劵列表
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*/
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List<CouponDO> getCouponList(Long userId, Integer status);
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/**
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* 统计会员领取优惠券的数量
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*
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* @param templateIds 优惠券模板编号列表
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* @param userId 用户编号
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* @return 领取优惠券的数量
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*/
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Map<Long, Integer> getTakeCountMapByTemplateIds(Collection<Long> templateIds, Long userId);
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/**
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* 获取会员领取指定优惠券的数量
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*
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@@ -150,15 +171,6 @@ public interface CouponService {
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return MapUtil.getInt(map, templateId, 0);
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}
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/**
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* 统计会员领取优惠券的数量
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*
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* @param templateIds 优惠券模板编号列表
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* @param userId 用户编号
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* @return 领取优惠券的数量
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*/
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Map<Long, Integer> getTakeCountMapByTemplateIds(Collection<Long> templateIds, Long userId);
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/**
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* 获取用户匹配的优惠券列表
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*
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@@ -168,13 +180,6 @@ public interface CouponService {
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*/
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List<CouponDO> getMatchCouponList(Long userId, AppCouponMatchReqVO matchReqVO);
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/**
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* 过期优惠券
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*
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* @return 过期数量
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*/
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int expireCoupon();
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/**
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* 获取用户是否可以领取优惠券
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*
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@@ -3,6 +3,7 @@ package cn.iocoder.yudao.module.promotion.service.coupon;
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import cn.hutool.core.collection.CollStreamUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.map.MapUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.core.util.ObjectUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.extra.spring.SpringUtil;
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@@ -31,6 +32,7 @@ import java.util.stream.Collectors;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
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import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
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import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
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import static java.util.Arrays.asList;
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@@ -75,20 +77,6 @@ public class CouponServiceImpl implements CouponService {
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}
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}
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@Override
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public PageResult<CouponDO> getCouponPage(CouponPageReqVO pageReqVO) {
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// 获得用户编号
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if (StrUtil.isNotEmpty(pageReqVO.getNickname())) {
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List<MemberUserRespDTO> users = memberUserApi.getUserListByNickname(pageReqVO.getNickname());
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if (CollUtil.isEmpty(users)) {
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return PageResult.empty();
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}
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pageReqVO.setUserIds(convertSet(users, MemberUserRespDTO::getId));
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}
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// 分页查询
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return couponMapper.selectPage(pageReqVO);
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}
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@Override
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public void useCoupon(Long id, Long userId, Long orderId) {
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// 校验优惠劵
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@@ -145,27 +133,9 @@ public class CouponServiceImpl implements CouponService {
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couponTemplateService.updateCouponTemplateTakeCount(coupon.getTemplateId(), -1);
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}
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@Override
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public List<CouponDO> getCouponList(Long userId, Integer status) {
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return couponMapper.selectListByUserIdAndStatus(userId, status);
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}
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private CouponDO validateCouponExists(Long id) {
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CouponDO coupon = couponMapper.selectById(id);
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if (coupon == null) {
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throw exception(COUPON_NOT_EXISTS);
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}
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return coupon;
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}
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@Override
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public Long getUnusedCouponCount(Long userId) {
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return couponMapper.selectCountByUserIdAndStatus(userId, CouponStatusEnum.UNUSED.getStatus());
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
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public Map<Long, List<Long>> takeCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
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CouponTemplateDO template = couponTemplateService.getCouponTemplate(templateId);
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// 1. 过滤掉达到领取限制的用户
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removeTakeLimitUser(userIds, template);
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@@ -173,40 +143,45 @@ public class CouponServiceImpl implements CouponService {
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validateCouponTemplateCanTake(template, userIds, takeType);
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// 3. 批量保存优惠劵
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couponMapper.insertBatch(convertList(userIds, userId -> CouponConvert.INSTANCE.convert(template, userId)));
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List<CouponDO> couponList = convertList(userIds, userId -> CouponConvert.INSTANCE.convert(template, userId));
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couponMapper.insertBatch(couponList);
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// 4. 增加优惠劵模板的领取数量
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couponTemplateService.updateCouponTemplateTakeCount(templateId, userIds.size());
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return convertMultiMap(couponList, CouponDO::getUserId, CouponDO::getId);
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}
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@Override
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public void takeCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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if (CollUtil.isEmpty(giveCouponsMap)) {
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return;
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public List<Long> takeCouponsByAdmin(Map<Long, Integer> giveCoupons, Long userId) {
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if (CollUtil.isEmpty(giveCoupons)) {
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return Collections.emptyList();
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}
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List<Long> couponIds = new ArrayList<>();
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// 循环发放
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for (Map.Entry<Long, Integer> entry : giveCouponsMap.entrySet()) {
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for (Map.Entry<Long, Integer> entry : giveCoupons.entrySet()) {
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try {
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for (int i = 0; i < entry.getValue(); i++) {
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getSelf().takeCoupon(entry.getKey(), CollUtil.newHashSet(userId), CouponTakeTypeEnum.ADMIN);
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Map<Long, List<Long>> userCouponIdsMap = getSelf().takeCoupon(entry.getKey(), CollUtil.newHashSet(userId),
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CouponTakeTypeEnum.ADMIN);
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findAndThen(userCouponIdsMap, userId, couponIds::addAll);
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}
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} catch (Exception e) {
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log.error("[takeCouponsByAdmin][coupon({}) 优惠券发放失败]", entry, e);
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}
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}
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return couponIds;
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}
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@Override
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public void invalidateCouponsByAdmin(Map<Long, Integer> giveCouponsMap, Long userId) {
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public void invalidateCouponsByAdmin(List<Long> giveCouponIds, Long userId) {
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// 循环收回
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for (Map.Entry<Long, Integer> entry : giveCouponsMap.entrySet()) {
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for (Long couponId : giveCouponIds) {
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try {
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for (int i = 0; i < entry.getValue(); i++) {
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getSelf().takeBackCoupon(entry.getKey(), CollUtil.newHashSet(userId), CouponTakeTypeEnum.ADMIN);
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}
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getSelf().takeBackCoupon(couponId, userId, CouponTakeTypeEnum.ADMIN);
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} catch (Exception e) {
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log.error("[takeBackCouponsByAdmin][coupon({}) 收回优惠券失败]", entry, e);
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log.error("[invalidateCouponsByAdmin][couponId({}) 收回优惠券失败]", couponId, e);
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}
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}
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}
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@@ -214,32 +189,36 @@ public class CouponServiceImpl implements CouponService {
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/**
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* 【管理员】收回优惠券
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*
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* @param templateId 模版编号
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* @param userIds 用户编号列表
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* @param couponId 模版编号
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* @param userId 用户编号
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* @param takeType 领取方式
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*/
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@Transactional(rollbackFor = Exception.class)
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public void takeBackCoupon(Long templateId, Set<Long> userIds, CouponTakeTypeEnum takeType) {
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CouponTemplateDO couponTemplate = couponTemplateService.getCouponTemplate(templateId);
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// 1.1 校验模板
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public void takeBackCoupon(Long couponId, Long userId, CouponTakeTypeEnum takeType) {
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// 1.1 校验优惠券
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CouponDO coupon = couponMapper.selectByIdAndUserId(couponId, userId);
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if (coupon == null) {
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throw exception(COUPON_NOT_EXISTS);
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}
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// 1.2 校验模板
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CouponTemplateDO couponTemplate = couponTemplateService.getCouponTemplate(coupon.getTemplateId());
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if (couponTemplate == null) {
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throw exception(COUPON_TEMPLATE_NOT_EXISTS);
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}
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// 1.2 校验领取方式
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// 1.3 校验领取方式
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if (ObjectUtil.notEqual(couponTemplate.getTakeType(), takeType.getValue())) {
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throw exception(COUPON_TEMPLATE_CANNOT_TAKE);
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}
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// 2.1 过滤出还未使用的赠送的优惠券
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List<CouponDO> couponList = couponMapper.selectListByTemplateIdAndUserIdAndTakeType(templateId, userIds,
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takeType.getValue());
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List<CouponDO> unUsedCouponList = filterList(couponList, item -> !CouponStatusEnum.USED.getStatus().equals(item.getStatus()));
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// 2.1 校验优惠券是否已经使用,如若使用则先不管
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if (ObjUtil.equal(coupon.getStatus(), CouponStatusEnum.USED.getStatus())) {
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return;
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}
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// 2.2 减少优惠劵模板的领取数量
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couponTemplateService.updateCouponTemplateTakeCount(templateId, unUsedCouponList.size() * -1);
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// 2.3 批量更新优惠劵状态
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couponMapper.updateById(convertList(unUsedCouponList, item -> new CouponDO().setId(item.getId())
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.setStatus(CouponStatusEnum.INVALID.getStatus())));
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||||
|
||||
couponTemplateService.updateCouponTemplateTakeCount(couponTemplate.getId(), -1);
|
||||
// 2.3 批量作废优惠劵
|
||||
// TODO @puhui999:捉摸了下,貌似搞成逻辑删除好了?不然好多地方的 status 都要做一些变动。可能未来加个 invalidateType 来标识,是管理后台删除,还是取消回收。或者优惠劵的 change log 可能更好。
|
||||
couponMapper.deleteById(couponId);
|
||||
}
|
||||
|
||||
@Override
|
||||
@@ -251,24 +230,6 @@ public class CouponServiceImpl implements CouponService {
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<Long, Integer> getTakeCountMapByTemplateIds(Collection<Long> templateIds, Long userId) {
|
||||
if (CollUtil.isEmpty(templateIds)) {
|
||||
return Collections.emptyMap();
|
||||
}
|
||||
return couponMapper.selectCountByUserIdAndTemplateIdIn(userId, templateIds);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<CouponDO> getMatchCouponList(Long userId, AppCouponMatchReqVO matchReqVO) {
|
||||
List<CouponDO> list = couponMapper.selectListByUserIdAndStatusAndUsePriceLeAndProductScope(userId,
|
||||
CouponStatusEnum.UNUSED.getStatus(),
|
||||
matchReqVO.getPrice(), matchReqVO.getSpuIds(), matchReqVO.getCategoryIds());
|
||||
// 兜底逻辑:如果 CouponExpireJob 未执行,status 未变成 EXPIRE ,但是 validEndTime 已经过期了,需要进行过滤
|
||||
list.removeIf(coupon -> !LocalDateTimeUtils.isBetween(coupon.getValidStartTime(), coupon.getValidEndTime()));
|
||||
return list;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int expireCoupon() {
|
||||
// 1. 查询待过期的优惠券
|
||||
@@ -293,27 +254,6 @@ public class CouponServiceImpl implements CouponService {
|
||||
return count;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<Long, Boolean> getUserCanCanTakeMap(Long userId, List<CouponTemplateDO> templates) {
|
||||
// 1. 未登录时,都显示可以领取
|
||||
Map<Long, Boolean> userCanTakeMap = convertMap(templates, CouponTemplateDO::getId, templateId -> true);
|
||||
if (userId == null) {
|
||||
return userCanTakeMap;
|
||||
}
|
||||
|
||||
// 2.1 过滤领取数量无限制的
|
||||
Set<Long> templateIds = convertSet(templates, CouponTemplateDO::getId, template -> template.getTakeLimitCount() != -1);
|
||||
// 2.2 检查用户领取的数量是否超过限制
|
||||
if (CollUtil.isNotEmpty(templateIds)) {
|
||||
Map<Long, Integer> couponTakeCountMap = this.getTakeCountMapByTemplateIds(templateIds, userId);
|
||||
for (CouponTemplateDO template : templates) {
|
||||
Integer takeCount = couponTakeCountMap.get(template.getId());
|
||||
userCanTakeMap.put(template.getId(), takeCount == null || takeCount < template.getTakeLimitCount());
|
||||
}
|
||||
}
|
||||
return userCanTakeMap;
|
||||
}
|
||||
|
||||
/**
|
||||
* 过期单个优惠劵
|
||||
*
|
||||
@@ -385,11 +325,84 @@ public class CouponServiceImpl implements CouponService {
|
||||
userIds.removeIf(userId -> MapUtil.getInt(userTakeCountMap, userId, 0) >= couponTemplate.getTakeLimitCount());
|
||||
}
|
||||
|
||||
//======================= 查询相关 =======================
|
||||
|
||||
@Override
|
||||
public Long getUnusedCouponCount(Long userId) {
|
||||
return couponMapper.selectCountByUserIdAndStatus(userId, CouponStatusEnum.UNUSED.getStatus());
|
||||
}
|
||||
|
||||
@Override
|
||||
public PageResult<CouponDO> getCouponPage(CouponPageReqVO pageReqVO) {
|
||||
// 获得用户编号
|
||||
if (StrUtil.isNotEmpty(pageReqVO.getNickname())) {
|
||||
List<MemberUserRespDTO> users = memberUserApi.getUserListByNickname(pageReqVO.getNickname());
|
||||
if (CollUtil.isEmpty(users)) {
|
||||
return PageResult.empty();
|
||||
}
|
||||
pageReqVO.setUserIds(convertSet(users, MemberUserRespDTO::getId));
|
||||
}
|
||||
// 分页查询
|
||||
return couponMapper.selectPage(pageReqVO);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<CouponDO> getCouponList(Long userId, Integer status) {
|
||||
return couponMapper.selectListByUserIdAndStatus(userId, status);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<Long, Integer> getTakeCountMapByTemplateIds(Collection<Long> templateIds, Long userId) {
|
||||
if (CollUtil.isEmpty(templateIds)) {
|
||||
return Collections.emptyMap();
|
||||
}
|
||||
return couponMapper.selectCountByUserIdAndTemplateIdIn(userId, templateIds);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<CouponDO> getMatchCouponList(Long userId, AppCouponMatchReqVO matchReqVO) {
|
||||
List<CouponDO> list = couponMapper.selectListByUserIdAndStatusAndUsePriceLeAndProductScope(userId,
|
||||
CouponStatusEnum.UNUSED.getStatus(),
|
||||
matchReqVO.getPrice(), matchReqVO.getSpuIds(), matchReqVO.getCategoryIds());
|
||||
// 兜底逻辑:如果 CouponExpireJob 未执行,status 未变成 EXPIRE ,但是 validEndTime 已经过期了,需要进行过滤
|
||||
list.removeIf(coupon -> !LocalDateTimeUtils.isBetween(coupon.getValidStartTime(), coupon.getValidEndTime()));
|
||||
return list;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Map<Long, Boolean> getUserCanCanTakeMap(Long userId, List<CouponTemplateDO> templates) {
|
||||
// 1. 未登录时,都显示可以领取
|
||||
Map<Long, Boolean> userCanTakeMap = convertMap(templates, CouponTemplateDO::getId, templateId -> true);
|
||||
if (userId == null) {
|
||||
return userCanTakeMap;
|
||||
}
|
||||
|
||||
// 2.1 过滤领取数量无限制的
|
||||
Set<Long> templateIds = convertSet(templates, CouponTemplateDO::getId, template -> template.getTakeLimitCount() != -1);
|
||||
// 2.2 检查用户领取的数量是否超过限制
|
||||
if (CollUtil.isNotEmpty(templateIds)) {
|
||||
Map<Long, Integer> couponTakeCountMap = this.getTakeCountMapByTemplateIds(templateIds, userId);
|
||||
for (CouponTemplateDO template : templates) {
|
||||
Integer takeCount = couponTakeCountMap.get(template.getId());
|
||||
userCanTakeMap.put(template.getId(), takeCount == null || takeCount < template.getTakeLimitCount());
|
||||
}
|
||||
}
|
||||
return userCanTakeMap;
|
||||
}
|
||||
|
||||
@Override
|
||||
public CouponDO getCoupon(Long userId, Long id) {
|
||||
return couponMapper.selectByIdAndUserId(id, userId);
|
||||
}
|
||||
|
||||
private CouponDO validateCouponExists(Long id) {
|
||||
CouponDO coupon = couponMapper.selectById(id);
|
||||
if (coupon == null) {
|
||||
throw exception(COUPON_NOT_EXISTS);
|
||||
}
|
||||
return coupon;
|
||||
}
|
||||
|
||||
/**
|
||||
* 获得自身的代理对象,解决 AOP 生效问题
|
||||
*
|
||||
@@ -398,4 +411,5 @@ public class CouponServiceImpl implements CouponService {
|
||||
private CouponServiceImpl getSelf() {
|
||||
return SpringUtil.getBean(getClass());
|
||||
}
|
||||
|
||||
}
|
||||
|
Reference in New Issue
Block a user