TestServiceImpl.java 4 KB
package com.canrd.webmagic.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollUtil;
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.common.constant.Constant;
import com.canrd.webmagic.common.constant.ServerResult;
import com.canrd.webmagic.common.utils.PageUtils;
import com.canrd.webmagic.domain.dto.TestDO;
import com.canrd.webmagic.domain.vo.TestQueryVO;
import com.canrd.webmagic.domain.vo.TestVO;
import com.canrd.webmagic.mapper.TestMapper;
import com.canrd.webmagic.service.TestService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;

/**
 * (Test)表服务实现类
 *
 * @author makejava
 * @since 2024-01-12 14:36:57
 */
@Slf4j
@Service
public class TestServiceImpl extends ServiceImpl<TestMapper, TestDO> implements TestService {


    /**
     * 通过ID查询单条数据
     * <p>
     * testQueryVO 主键
     *
     * @return 实例对象
     */
    @Override
    public ServerResult queryById(TestQueryVO testQueryVO) {
        if (Objects.isNull(testQueryVO.getId())) {
            return ServerResult.fail("id 不能为空");
        }
        TestDO TestDo = getById(testQueryVO.getId());
        if (Objects.isNull(TestDo)) {
            return ServerResult.success(null);
        }
        return ServerResult.success(BeanUtil.copyProperties(TestDo, TestVO.class));
    }

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

        LambdaQueryWrapper<TestDO> queryWapper = new LambdaQueryWrapper<TestDO>()
                .eq(TestDO::getEnableFlag, Constant.ENABLE_TEN)
                .orderByDesc(TestDO::getId);
        Page page = new Page<>(testQueryVO.getCurrent(), testQueryVO.getSize());
        IPage<TestDO> iPage = page(page, queryWapper);
        testQueryVO.setTotal(Long.valueOf(iPage.getTotal()).intValue());
        return ServerResult.success(PageUtils.getPageReturn(iPage.getRecords(), testQueryVO));
    }

    /**
     * 新增数据
     *
     * @param testVO 实例对象
     * @return 实例对象
     */
    @Override
    public ServerResult add(TestVO testVO) {
        //todo 校验
        if (Objects.nonNull(testVO.getId())) {
            testVO.setId(null);
        }
        TestDO testDo = BeanUtil.copyProperties(testVO, TestDO.class);

        save(testDo);

        return ServerResult.success();
    }

    /**
     * 修改数据
     *
     * @param testVO 实例对象
     * @return 实例对象
     */
    @Override
    public ServerResult edit(TestVO testVO) {
        //todo 校验
        if (Objects.isNull(testVO.getId())) {
            return ServerResult.fail("id 不能为空");
        }
        TestDO testDo = BeanUtil.copyProperties(testVO, TestDO.class);

        updateById(testDo);

        return ServerResult.success();
    }

    /**
     * 通过主键删除数据
     *
     * @param testQueryVO 筛选条件
     * @return 是否成功
     */
    @Override
    public ServerResult deleteById(TestQueryVO testQueryVO) {
        List<Long> ids = testQueryVO.getIds();
        if (CollUtil.isEmpty(ids)) {
            return ServerResult.fail("ids 参数不能为空");
        }
        List<TestDO> testList = listByIds(ids);
        if (CollUtil.isEmpty(testList)) {
            return ServerResult.success();
        }
        //todo 校验是否可以逻辑删除
        LambdaUpdateWrapper<TestDO> updateWrapper = new LambdaUpdateWrapper<TestDO>()
                .in(TestDO::getId, ids)
                .set(TestDO::getEnableFlag, Constant.UNABLE_TWENTY);
        update(updateWrapper);
        return ServerResult.success();
    }
}