ArticleServiceImpl.java
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package com.canrd.webmagic.service.impl;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.canrd.webmagic.common.constant.ServerResult;
import com.canrd.webmagic.domain.dto.ArticleDO;
import com.canrd.webmagic.domain.vo.NatureArticleQueryVO;
import com.canrd.webmagic.domain.vo.NatureArticleVO;
import com.canrd.webmagic.mapper.ArticleMapper;
import com.canrd.webmagic.service.ArticleService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Objects;
/**
* nature-文章信息(NatureArticle)表服务实现类
*
* @author makejava
* @since 2024-04-07 18:39:49
*/
@Slf4j
@Service
public class ArticleServiceImpl extends ServiceImpl<ArticleMapper, ArticleDO> implements ArticleService {
/**
* 通过ID查询单条数据
* <p>
* natureArticleQueryVO 主键
*
* @return 实例对象
*/
@Override
public ServerResult queryById(NatureArticleQueryVO natureArticleQueryVO) {
if (Objects.isNull(natureArticleQueryVO.getId())) {
return ServerResult.fail("id 不能为空");
}
ArticleDO articleDo = getById(natureArticleQueryVO.getId());
if (Objects.isNull(articleDo)) {
return ServerResult.success(null);
}
return ServerResult.success(BeanUtil.copyProperties(articleDo, NatureArticleVO.class));
}
/**
* 分页查询
*
* @param natureArticleQueryVO 筛选条件
* @return 查询结果
*/
@Override
public ServerResult list(NatureArticleQueryVO natureArticleQueryVO) {
return ServerResult.success(ServerResult.success());
}
/**
* 新增数据
*
* @param natureArticleVO 实例对象
* @return 实例对象
*/
@Override
public ServerResult add(NatureArticleVO natureArticleVO) {
//todo 校验
if (Objects.nonNull(natureArticleVO.getId())) {
natureArticleVO.setId(null);
}
ArticleDO articleDo = BeanUtil.copyProperties(natureArticleVO, ArticleDO.class);
save(articleDo);
return ServerResult.success();
}
/**
* 修改数据
*
* @param natureArticleVO 实例对象
* @return 实例对象
*/
@Override
public ServerResult edit(NatureArticleVO natureArticleVO) {
//todo 校验
if (Objects.isNull(natureArticleVO.getId())) {
return ServerResult.fail("id 不能为空");
}
ArticleDO articleDo = BeanUtil.copyProperties(natureArticleVO, ArticleDO.class);
updateById(articleDo);
return ServerResult.success();
}
/**
* 通过主键删除数据
*
* @param natureArticleQueryVO 筛选条件
* @return 是否成功
*/
@Override
public ServerResult deleteById(NatureArticleQueryVO natureArticleQueryVO) {
List<Long> ids = natureArticleQueryVO.getIds();
if (CollUtil.isEmpty(ids)) {
return ServerResult.fail("ids 参数不能为空");
}
List<ArticleDO> natureArticleList = listByIds(ids);
if (CollUtil.isEmpty(natureArticleList)) {
return ServerResult.success();
}
//todo 校验是否可以逻辑删除
LambdaUpdateWrapper<ArticleDO> updateWrapper = new LambdaUpdateWrapper<ArticleDO>()
.in(ArticleDO::getId, ids);
update(updateWrapper);
return ServerResult.success();
}
}