HomePageService.java

package com.tanpu.community.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.tanpu.community.api.enums.DeleteTagEnum;
import com.tanpu.community.dao.entity.community.HomePageEntity;
import com.tanpu.community.dao.mapper.community.HomePageMapper;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Collections;
import java.util.List;

@Service
public class HomePageService {

    @Resource

    private HomePageMapper homePageMapper;



    public HomePageEntity selectByUserId(String userId) {
        return homePageMapper.selectOne(new LambdaQueryWrapper<HomePageEntity>()
                .eq(HomePageEntity::getUserId, userId)
                .eq(HomePageEntity::getDeleteTag,DeleteTagEnum.NOT_DELETED.getCode()));
    }

    public List<HomePageEntity> selectListByUserIds(List<String> userIds) {
        if (CollectionUtils.isEmpty(userIds)) {
            return Collections.emptyList();
        }
        return homePageMapper.selectList(new LambdaQueryWrapper<HomePageEntity>()
                .eq(HomePageEntity::getDeleteTag,DeleteTagEnum.NOT_DELETED.getCode())
                .in(HomePageEntity::getUserId, userIds));
    }

    public void update(HomePageEntity entity) {
        homePageMapper.updateById(entity);
    }

    public void insert(HomePageEntity entity) {
        homePageMapper.insert(entity);
    }
}