gold_java/src/main/java/com/example/demo/serviceImpl/RefundServiceImpl.java

package com.example.demo.serviceImpl;


import com.example.demo.domain.entity.Detail;
import com.example.demo.mapper.RefundMapper;
import com.example.demo.sevice.RefundService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import lombok.RequiredArgsConstructor;

import org.springframework.cache.annotation.CacheConfig;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.UUID;


@RequiredArgsConstructor
@Transactional
@Service
@CacheConfig(cacheNames = "refund")
public class RefundServiceImpl implements RefundService {
    private final RefundMapper refundMapper;


    @Override
    public int add(Detail detail)  {
        // 生成UUID作为订单编号
        String uuid = UUID.randomUUID().toString().replaceAll("-", ""); // 去掉UUID中的'-'
        detail.setOrderCode(uuid);
        return refundMapper.insert(detail);
    }


    @Override
    public int addAudit(Detail detail) {
        return refundMapper.insertAudit(detail);
    }

    //自动软删除数据加更新数据
    @Override
    public void edit(Detail newDetail) {
        // 获取旧的明细记录
        Detail oldDetail = refundMapper.selectByDetailId(newDetail.getDetailId());

        if (oldDetail == null || oldDetail.getDetailFlag() ==0) {
            throw new IllegalArgumentException("该记录不存在或已被隐藏！");
        }

        // 软删除旧记录
        refundMapper.update(oldDetail.getDetailId());

        // 将新的字段值复制到旧记录中，未修改的字段保持旧值
        if (newDetail.getJwcode() == null) newDetail.setJwcode(oldDetail.getJwcode());
        if (newDetail.getRefundType() == null) newDetail.setRefundType(oldDetail.getRefundType());
        if (newDetail.getRefundGoods() == null) newDetail.setRefundGoods(oldDetail.getRefundGoods());
        if (newDetail.getRechargeCoin() == null) newDetail.setRechargeCoin(oldDetail.getRechargeCoin());
        if (newDetail.getFreeCoin() == null) newDetail.setFreeCoin(oldDetail.getFreeCoin());
        if (newDetail.getTaskCoin() == null) newDetail.setTaskCoin(oldDetail.getTaskCoin());
        if (newDetail.getRemark() == null) newDetail.setRemark(oldDetail.getRemark());
        if (newDetail.getAdminId() == null) newDetail.setAdminId(oldDetail.getAdminId());

        // 插入新记录
        newDetail.setDetailId(null); // 清空 ID，让其自动生成
        newDetail.setDetailFlag(1); // 确保新记录未被删除
        refundMapper.insert(newDetail);
    }

    @Override
    public int update(Integer contactId) {
        return refundMapper.updateOrderCode(contactId);
    }

    @Override
    public boolean existsByContactId(Integer contactId) {
        return refundMapper.existsByContactId(contactId);
    }
    @CacheEvict(value = "refund",allEntries = true)

    @Override
    public int softDelete(Integer detailId)  {
        return refundMapper.update(detailId);
    }

    @Override
    public Detail selectByJWCODE(String jwcode) {
        return refundMapper.selectByJWCODE(jwcode);
    }

    @Override
    public Detail selectByDetailId(Integer detailId) {
        return refundMapper.selectByDetailId(detailId);
    }
    @Cacheable(key="#root.method.name")
    @Override
    public List<Detail> search(Detail detail) {
        return refundMapper.select(detail);
    }
    @Cacheable(key="#root.method.name + ':'+ #pageNum + '-' + #pageSize + '-' + #detail.hashCode() ")
    @Override
    public PageInfo<Detail> searchForPage(Integer pageNum, Integer pageSize, Detail detail) {
        PageHelper.startPage(pageNum, pageSize);
        List<Detail> list = refundMapper.select(detail);
        return new PageInfo<>(list);
    }
}