NatureArticleServiceImpl.java 4.5 KB
package com.canrd.webmagic.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.canrd.webmagic.domain.dto.NatureArticleDO;
import com.central.common.utils.CopyBeanUtils;
import com.gree.doraemon.base.core.bean.BeanUtil;
import com.gree.doraemon.base.core.collection.CollUtil;
import com.gree.gaolan.common.constant.Constant;
import com.gree.gaolan.common.constant.ServerResult;
import com.gree.gaolan.common.util.PageUtils;
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 NatureArticleServiceImpl extends ServiceImpl<NatureArticleMapper, NatureArticleDO> implements NatureArticleService {


    /**
     * 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");
        }
        NatureArticleDO NatureArticleDo = getById(natureArticleQueryVO.getId());
        if (Objects.isNull(NatureArticleDo)) {
            return ServerResult.success(null);
        }
        return ServerResult.success(BeanUtil.copyProperties(NatureArticleDo, NatureArticleVO.class));
    }

    /**
     * 分页查询
     *
     * @param natureArticleQueryVO 筛选条件
     * @return 查询结果
     */
    @Override
    public ServerResult list(NatureArticleQueryVO natureArticleQueryVO) {

        LambdaQueryWrapper<NatureArticleDO> queryWapper = new LambdaQueryWrapper<NatureArticleDO>()
                .eq(NatureArticleDO::getEnableFlag, Constant.ENABLE_TEN)
                .orderByDesc(NatureArticleDO::getId);
        Page page = new Page<>(natureArticleQueryVO.getCurrent(), natureArticleQueryVO.getSize());
        IPage<NatureArticleDO> iPage = page(page, queryWapper);
        natureArticleQueryVO.setTotal(Long.valueOf(iPage.getTotal()).intValue());
        List<NatureArticleVO> result = CopyBeanUtils.trans(iPage.getRecords(), NatureArticleVO.class);
        return ServerResult.success(PageUtils.getPageReturn(result, natureArticleQueryVO));
    }

    /**
     * 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);
        }
        NatureArticleDO natureArticleDo = BeanUtil.copyProperties(natureArticleVO, NatureArticleDO.class);

        save(natureArticleDo);

        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");
        }
        NatureArticleDO natureArticleDo = BeanUtil.copyProperties(natureArticleVO, NatureArticleDO.class);

        updateById(natureArticleDo);

        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<NatureArticleDO> natureArticleList = listByIds(ids);
        if (CollUtil.isEmpty(natureArticleList)) {
            return ServerResult.success();
        }
        //todo 校验是否可以逻辑删除
        LambdaUpdateWrapper<NatureArticleDO> updateWrapper = new LambdaUpdateWrapper<NatureArticleDO>()
                .in(NatureArticleDO::getId, ids)
                .set(NatureArticleDO::getEnableFlag, Constant.UNABLE_TWENTY);
        update(updateWrapper);
        return ServerResult.success();
    }
}