优惠劵相关逻辑的迁移
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YunaiV
parent
5b3c464faf
commit
b5e939fdb4
@ -1,15 +0,0 @@
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package cn.iocoder.mall.promotion.biz.config;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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@Configuration
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@MapperScan("cn.iocoder.mall.promotion.biz.dao") // 扫描对应的 Mapper 接口
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@EnableTransactionManagement(proxyTargetClass = true) // 启动事务管理。为什么使用 proxyTargetClass 参数，参见 https://blog.csdn.net/huang_550/article/details/76492600
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//@EnableConfigurationProperties(DataSourceProperties.class)
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public class DatabaseConfiguration {
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// 数据源，使用 HikariCP
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}
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@ -1,26 +0,0 @@
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package cn.iocoder.mall.promotion.biz.config;
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import cn.iocoder.common.framework.util.ServiceExceptionUtil;
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import cn.iocoder.mall.promotion.api.enums.PromotionErrorCodeEnum;
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import org.springframework.boot.context.event.ApplicationReadyEvent;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.event.EventListener;
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@Configuration
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public class ServiceExceptionConfiguration {
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@EventListener(ApplicationReadyEvent.class) // 可参考 https://www.cnblogs.com/ssslinppp/p/7607509.html
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public void initMessages() {
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// 从 service_exception_message.properties 加载错误码的方案
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// Properties properties;
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// try {
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// properties = PropertiesLoaderUtils.loadAllProperties("classpath:service_exception_message.properties");
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// } catch (IOException e) {
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// throw new RuntimeException(e);
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// }
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for (PromotionErrorCodeEnum item : PromotionErrorCodeEnum.values()) {
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ServiceExceptionUtil.put(item.getCode(), item.getMessage());
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}
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}
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}
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@ -1,33 +0,0 @@
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package cn.iocoder.mall.promotion.biz.convert;
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import cn.iocoder.mall.promotion.api.bo.CouponCardAvailableBO;
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import cn.iocoder.mall.promotion.api.bo.CouponCardBO;
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import cn.iocoder.mall.promotion.api.bo.CouponCardDetailBO;
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import cn.iocoder.mall.promotion.biz.dataobject.CouponCardDO;
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import org.mapstruct.Mapper;
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import org.mapstruct.Mappings;
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import org.mapstruct.factory.Mappers;
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import java.util.List;
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@Mapper
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public interface CouponCardConvert {
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CouponCardConvert INSTANCE = Mappers.getMapper(CouponCardConvert.class);
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// @Mappings({})
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// CouponCardBO convertToBO(CouponCardDO banner);
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//
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@Mappings({})
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List<CouponCardBO> convertToBO(List<CouponCardDO> cardList);
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@Mappings({})
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CouponCardBO convert(CouponCardDO card);
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@Mappings({})
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CouponCardDetailBO convert2(CouponCardDO card);
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@Mappings({})
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CouponCardAvailableBO convert2(CouponCardDO card, boolean x); // TODO 芋艿，临时用来解决 mapstruct 无法正确匹配方法的问题
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}
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@ -1,41 +0,0 @@
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package cn.iocoder.mall.promotion.biz.convert;
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import cn.iocoder.mall.promotion.api.bo.CouponTemplateBO;
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import cn.iocoder.mall.promotion.api.dto.CouponCardTemplateAddDTO;
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import cn.iocoder.mall.promotion.api.dto.CouponCardTemplateUpdateDTO;
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import cn.iocoder.mall.promotion.api.dto.CouponCodeTemplateAddDTO;
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import cn.iocoder.mall.promotion.api.dto.CouponCodeTemplateUpdateDTO;
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import cn.iocoder.mall.promotion.biz.dataobject.CouponTemplateDO;
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import org.mapstruct.Mapper;
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import org.mapstruct.Mappings;
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import org.mapstruct.factory.Mappers;
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import java.util.List;
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@Mapper
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public interface CouponTemplateConvert {
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CouponTemplateConvert INSTANCE = Mappers.getMapper(CouponTemplateConvert.class);
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// @Mappings({})
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// CouponTemplateBO convertToBO(CouponTemplateDO banner);
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//
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@Mappings({})
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List<CouponTemplateBO> convertToBO(List<CouponTemplateDO> templateList);
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@Mappings({})
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CouponTemplateDO convert(CouponCodeTemplateUpdateDTO template);
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@Mappings({})
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CouponTemplateDO convert(CouponCardTemplateAddDTO template);
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@Mappings({})
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CouponTemplateDO convert(CouponCardTemplateUpdateDTO template);
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@Mappings({})
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CouponTemplateDO convert(CouponCodeTemplateAddDTO template);
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@Mappings({})
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CouponTemplateBO convert(CouponTemplateDO template);
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}
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@ -1,187 +0,0 @@
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package cn.iocoder.mall.promotion.biz.dataobject;
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import cn.iocoder.mall.mybatis.core.dataobject.BaseDO;
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import lombok.Data;
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import lombok.experimental.Accessors;
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import java.util.Date;
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import java.util.List;
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/**
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* 促销活动 DO
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*/
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@Data
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@Accessors(chain = true)
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public class PromotionActivityDO extends BaseDO {
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/**
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* 活动编号
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*/
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private Integer id;
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/**
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* 活动标题
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*/
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private String title;
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/**
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* 活动类型
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*
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* 参见 {@link cn.iocoder.mall.promotion.api.enums.PromotionActivityTypeEnum} 枚举
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*/
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private Integer activityType;
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// /**
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// * 促销类型
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// * // TODO 芋艿 https://jos.jd.com/api/complexTemplate.htm?webPamer=promotion_v_o&groupName=%E4%BF%83%E9%94%80API&id=54&restName=jingdong.seller.promotion.list&isMulti=false 促销类型，可选值：单品促销（1），赠品促销（4），套装促销（6），总价促销（10）
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// */
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// private Integer promotionType;
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/**
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* 活动状态
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*
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* 参见 {@link cn.iocoder.mall.promotion.api.enums.PromotionActivityStatusEnum} 枚举
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*/
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private Integer status;
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/**
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* 开始时间
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*/
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private Date startTime;
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/**
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* 结束时间
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*/
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private Date endTime;
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/**
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* 失效时间
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*/
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private Date invalidTime;
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/**
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* 删除时间
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*/
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private Date deleteTime;
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/**
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* 限制折扣字符串，使用 JSON 序列化成字符串存储
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*/
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private TimeLimitedDiscount timeLimitedDiscount;
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/**
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* 满减送字符串，使用 JSON 序列化成字符串存储
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*/
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private FullPrivilege fullPrivilege;
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/**
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* 限制折扣
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*/
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@Data
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@Accessors(chain = true)
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public static class TimeLimitedDiscount {
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/**
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* 商品折扣
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*/
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@Data
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@Accessors(chain = true)
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public static class Item {
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/**
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* 商品 SPU 编号
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*/
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private Integer spuId;
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/**
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* 优惠类型
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*/
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private Integer preferentialType;
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/**
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* 优惠值
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*/
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private Integer preferentialValue;
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}
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/**
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* 每人每种限购多少
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*
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* 当 quota = 0 时，表示不限购
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*/
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private Integer quota;
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/**
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* 商品折扣数组
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*/
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private List<Item> items;
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}
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/**
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* 满减送
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*/
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@Data
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@Accessors(chain = true)
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public static class FullPrivilege {
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/**
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* 优惠
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*/
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@Data
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@Accessors(chain = true)
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public static class Privilege {
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/**
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* 满足类型
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*
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* 1 - 金额
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* 2 - 件数
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*/
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private Integer meetType;
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/**
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* 满足值
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*/
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private Integer meetValue;
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/**
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* 优惠类型
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*/
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private Integer preferentialType;
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/**
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* 优惠值
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*/
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private Integer preferentialValue;
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// /**
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// * 是否包邮
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// */
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// private Boolean isPostage;
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// /**
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// * 积分
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// */
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// private Integer score;
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// /**
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// * 优惠劵（码）分组编号
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// */
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// private Integer couponTemplateId;
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// /**
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// * 优惠劵（码）数量
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// */
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// private Integer couponNum;
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// /**
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// * 赠品编号
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// */
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// private Integer presentId;
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}
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/**
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* 可用范围的类型
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*
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* 参见 {@link cn.iocoder.mall.promotion.api.enums.RangeTypeEnum} 枚举
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* 暂时只用 “所有可用” + “PRODUCT_INCLUDE_PRT”
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*/
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private Integer rangeType;
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/**
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* 指定可用商品列表
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*/
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private List<Integer> rangeValues;
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/**
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* 是否循环
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*/
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private Boolean cycled;
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/**
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* 优惠数组
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*/
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private List<Privilege> privileges;
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}
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}
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@ -27,8 +27,6 @@ public class CouponServiceImpl implements CouponService {
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@Autowired
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private CouponTemplateMapper couponTemplateMapper;
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@Autowired
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private CouponCardMapper couponCardMapper;
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// ========== 优惠劵（码）模板 ==========
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@ -164,209 +162,4 @@ public class CouponServiceImpl implements CouponService {
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return true;
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}
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// ========== 优惠劵 ==========
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@Override
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public CouponCardPageBO getCouponCardPage(CouponCardPageDTO couponCardPageDTO) {
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CouponCardPageBO pageBO = new CouponCardPageBO();
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// 查询分页数据
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int offset = (couponCardPageDTO.getPageNo() - 1) * couponCardPageDTO.getPageSize();
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pageBO.setList(CouponCardConvert.INSTANCE.convertToBO(couponCardMapper.selectListByPage(
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couponCardPageDTO.getUserId(), couponCardPageDTO.getStatus(),
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offset, couponCardPageDTO.getPageSize())));
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// 查询分页总数
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pageBO.setTotal(couponCardMapper.selectCountByPage(
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couponCardPageDTO.getUserId(), couponCardPageDTO.getStatus()));
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return pageBO;
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}
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@Override
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@Transactional
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public CouponCardBO addCouponCard(Integer userId, Integer couponTemplateId) {
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// 校验 CouponCardTemplate 存在
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CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
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if (template == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
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}
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// 校验 CouponCardTemplate 是 CARD
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if (!CouponTemplateTypeEnum.CARD.getValue().equals(template.getType())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_CARD.getCode());
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}
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// 校验 CouponCardTemplate 状态是否开启
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if (!CouponTemplateStatusEnum.ENABLE.getValue().equals(template.getStatus())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_STATUS_NOT_ENABLE.getCode());
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}
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// 校验 CouponCardTemplate 是否到达可领取的上限
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if (template.getStatFetchNum() > template.getTotal()) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_TOTAL_NOT_ENOUGH.getCode());
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}
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// 校验单人可领取优惠劵是否到达上限
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if (couponCardMapper.selectCountByUserIdAndTemplateId(userId, couponTemplateId) > template.getQuota()) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
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}
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// 增加优惠劵已领取量
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int updateTemplateCount = couponTemplateMapper.updateStatFetchNumIncr(couponTemplateId);
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if (updateTemplateCount == 0) { // 超过 CouponCardTemplate 发放量
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
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}
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// 创建优惠劵
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// 1. 基本信息 + 领取情况
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CouponCardDO card = new CouponCardDO()
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.setTemplateId(couponTemplateId)
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.setTitle(template.getTitle())
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.setStatus(CouponCardStatusEnum.UNUSED.getValue())
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.setUserId(userId)
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.setTakeType(CouponCardTakeTypeEnum.BY_USER.getValue()); // TODO 需要改
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// 2. 使用规则
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card.setPriceAvailable(template.getPriceAvailable());
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setCouponCardValidTime(card, template);
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// 3. 使用效果
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card.setPreferentialType(template.getPreferentialType())
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.setPriceOff(template.getPriceOff())
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.setPercentOff(template.getPercentOff()).setDiscountPriceLimit(template.getDiscountPriceLimit());
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// 保存优惠劵模板到数据库
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card.setCreateTime(new Date());
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couponCardMapper.insert(card);
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// 返回成功
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return CouponCardConvert.INSTANCE.convert(card);
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}
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@Override
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public Boolean useCouponCard(Integer userId, Integer couponCardId) {
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// 查询优惠劵
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CouponCardDO card = couponCardMapper.selectById(couponCardId);
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if (card == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_NOT_EXISTS.getCode());
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}
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if (!userId.equals(card.getUserId())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_ERROR_USER.getCode());
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}
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if (!CouponCardStatusEnum.UNUSED.getValue().equals(card.getStatus())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_STATUS_NOT_UNUSED.getCode());
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}
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if (DateUtil.isBetween(card.getValidStartTime(), card.getValidEndTime())) { // 为避免定时器没跑，实际优惠劵已经过期
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_STATUS_NOT_UNUSED.getCode());
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}
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// 更新优惠劵已使用
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int updateCount = couponCardMapper.updateByIdAndStatus(card.getId(), CouponCardStatusEnum.UNUSED.getValue(),
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new CouponCardDO().setStatus(CouponCardStatusEnum.USED.getValue()).setUsedTime(new Date()));
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if (updateCount == 0) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_STATUS_NOT_UNUSED.getCode());
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}
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return true;
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}
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@Override
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public Boolean cancelUseCouponCard(Integer userId, Integer couponCardId) {
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// 查询优惠劵
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CouponCardDO card = couponCardMapper.selectById(couponCardId);
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if (card == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_NOT_EXISTS.getCode());
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}
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if (!userId.equals(card.getUserId())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_ERROR_USER.getCode());
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}
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if (!CouponCardStatusEnum.USED.getValue().equals(card.getStatus())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_STATUS_NOT_USED.getCode());
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}
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// 更新优惠劵已使用
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int updateCount = couponCardMapper.updateByIdAndStatus(card.getId(), CouponCardStatusEnum.USED.getValue(),
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new CouponCardDO().setStatus(CouponCardStatusEnum.UNUSED.getValue())); // TODO 芋艿，usedTime 未设置空，后面处理。
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if (updateCount == 0) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_STATUS_NOT_USED.getCode());
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}
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// 有一点要注意，更新会未使用时，优惠劵可能已经过期了，直接让定时器跑过期，这里不做处理。
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return true;
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}
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@Override
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public CouponCardDetailBO getCouponCardDetail(Integer userId, Integer couponCardId) {
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// 查询优惠劵
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CouponCardDO card = couponCardMapper.selectById(couponCardId);
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if (card == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_NOT_EXISTS.getCode());
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}
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if (!userId.equals(card.getUserId())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_CARD_ERROR_USER.getCode());
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}
|
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// 查询优惠劵模板
|
||||
CouponTemplateDO template = couponTemplateMapper.selectById(card.getTemplateId());
|
||||
if (template == null) {
|
||||
throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
|
||||
}
|
||||
// 拼接结果
|
||||
CouponCardDetailBO detail = CouponCardConvert.INSTANCE.convert2(card);
|
||||
detail.setRangeType(template.getRangeType());
|
||||
detail.setRangeValues(StringUtil.splitToInt(template.getRangeValues(), ","));
|
||||
return detail;
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<CouponCardAvailableBO> getCouponCardList(Integer userId, List<CouponCardSpuDTO> spus) {
|
||||
// 查询用户未使用的优惠劵列表
|
||||
List<CouponCardDO> cards = couponCardMapper.selectListByUserIdAndStatus(userId, CouponCardStatusEnum.UNUSED.getValue());
|
||||
if (cards.isEmpty()) {
|
||||
return Collections.emptyList();
|
||||
}
|
||||
// 查询优惠劵模板集合
|
||||
Map<Integer, CouponTemplateDO> templates = couponTemplateMapper.selectListByIds(cards.stream().map(CouponCardDO::getTemplateId).collect(Collectors.toSet()))
|
||||
.stream().collect(Collectors.toMap(CouponTemplateDO::getId, template -> template));
|
||||
// 逐个判断是否可用
|
||||
List<CouponCardAvailableBO> availableCards = cards.stream().map(card -> {
|
||||
CouponCardAvailableBO availableCard = CouponCardConvert.INSTANCE.convert2(card, true);
|
||||
availableCard.setUnavailableReason(isMatch(card, templates.get(card.getTemplateId()), spus));
|
||||
availableCard.setAvailable(availableCard.getUnavailableReason() == null);
|
||||
return availableCard;
|
||||
}).collect(Collectors.toList());
|
||||
// 返回结果
|
||||
return availableCards;
|
||||
}
|
||||
|
||||
private void setCouponCardValidTime(CouponCardDO card, CouponTemplateDO template) {
|
||||
if (CouponTemplateDateTypeEnum.FIXED_DATE.getValue().equals(template.getDateType())) {
|
||||
card.setValidStartTime(template.getValidStartTime()).setValidEndTime(template.getValidEndTime());
|
||||
} else if (CouponTemplateDateTypeEnum.FIXED_TERM.getValue().equals(template.getDateType())) {
|
||||
Date validStartTime = DateUtil.getDayBegin(new Date());
|
||||
card.setValidStartTime(DateUtil.addDate(validStartTime, Calendar.DAY_OF_YEAR, template.getFixedStartTerm()));
|
||||
Date validEndTime = DateUtil.getDayEnd(card.getValidStartTime());
|
||||
card.setValidEndTime(DateUtil.addDate(validEndTime, Calendar.DAY_OF_YEAR, template.getFixedEndTerm() - 1));
|
||||
}
|
||||
}
|
||||
|
||||
// 如果匹配，则返回 null 即可。
|
||||
private String isMatch(CouponCardDO card, CouponTemplateDO template, List<CouponCardSpuDTO> spus) {
|
||||
int totalPrice = 0;
|
||||
if (RangeTypeEnum.ALL.getValue().equals(template.getRangeType())) {
|
||||
totalPrice = spus.stream().mapToInt(spu -> spu.getPrice() * spu.getQuantity()).sum();
|
||||
} else if (RangeTypeEnum.PRODUCT_INCLUDE_PART.getValue().equals(template.getRangeType())) {
|
||||
List<Integer> spuIds = StringUtil.splitToInt(template.getRangeValues(), ",");
|
||||
totalPrice = spus.stream().mapToInt(spu -> spuIds.contains(spu.getSpuId()) ? spu.getPrice() * spu.getQuantity() : 0).sum();
|
||||
} else if (RangeTypeEnum.PRODUCT_EXCLUDE_PART.getValue().equals(template.getRangeType())) {
|
||||
List<Integer> spuIds = StringUtil.splitToInt(template.getRangeValues(), ",");
|
||||
totalPrice = spus.stream().mapToInt(spu -> !spuIds.contains(spu.getSpuId()) ? spu.getPrice() * spu.getQuantity() : 0).sum();
|
||||
} else if (RangeTypeEnum.CATEGORY_INCLUDE_PART.getValue().equals(template.getRangeType())) {
|
||||
List<Integer> spuIds = StringUtil.splitToInt(template.getRangeValues(), ",");
|
||||
totalPrice = spus.stream().mapToInt(spu -> spuIds.contains(spu.getCategoryId()) ? spu.getPrice() * spu.getQuantity() : 0).sum();
|
||||
} else if (RangeTypeEnum.CATEGORY_EXCLUDE_PART.getValue().equals(template.getRangeType())) {
|
||||
List<Integer> spuIds = StringUtil.splitToInt(template.getRangeValues(), ",");
|
||||
totalPrice = spus.stream().mapToInt(spu -> !spuIds.contains(spu.getCategoryId()) ? spu.getPrice() * spu.getQuantity() : 0).sum();
|
||||
}
|
||||
// 总价为 0 时，说明优惠劵丫根不匹配
|
||||
if (totalPrice == 0) {
|
||||
return "优惠劵不匹配";
|
||||
}
|
||||
// 如果不满足金额
|
||||
if (totalPrice < card.getPriceAvailable()) {
|
||||
return String.format("差 %1$,.2f 元可用优惠劵", (card.getPriceAvailable() - totalPrice) / 100D);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
// ========== 优惠码 ==========
|
||||
|
||||
@Override
|
||||
public CouponCardBO useCouponCode(Integer userId, String code) {
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user