群公告 导入导出

wl

2022-07-19 9c6150c879432b21816618a256c166dc3801b1a2

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package com.example.jz.service.impl;
 
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.jz.dao.AnnouncementDao;
import com.example.jz.dao.UserDao;
import com.example.jz.modle.PageParam;
import com.example.jz.modle.entity.Announcement;
import com.example.jz.modle.entity.User;
import com.example.jz.modle.vo.AnnouncementVo;
import com.example.jz.service.AnnouncementService;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
 
import javax.annotation.Resource;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
 
/**
 * 公告表(Announcement)表服务实现类
 *
 * @author makejava
 * @since 2022-07-11 16:35:56
 */
@Service("announcementService")
public class AnnouncementServiceImpl extends ServiceImpl<AnnouncementDao, Announcement> implements AnnouncementService {
 
    @Resource
    AnnouncementDao announcementDao;
    @Resource
    UserDao userDao;
 
    @Override
    public PageParam<AnnouncementVo> getAnnouncements(Integer size, Integer current, String content, Integer status, Integer groupId) {
        PageParam<Announcement> announcementPageParam = new PageParam<>();
        announcementPageParam.setSize(size);
        announcementPageParam.setCurrent(current);
        QueryWrapper<Announcement> announcementQueryWrapper = new QueryWrapper<>();
        if (StringUtils.isNotBlank(content)) {
            announcementQueryWrapper.like("text", content);
        }
        if (status != null) {
            announcementQueryWrapper.eq("status", status);
        }
        announcementQueryWrapper.eq("group_id", groupId);
        announcementQueryWrapper.orderByDesc("ctime");
        PageParam<Announcement> announcementPageParamList = announcementDao.selectPage(announcementPageParam, announcementQueryWrapper);
        List<AnnouncementVo> announcementVoList = announcementPageParamList.getRecords().stream().map(
                a -> {
                    AnnouncementVo announcementVo = new AnnouncementVo();
                    BeanUtils.copyProperties(a, announcementVo);
                    announcementVo.setCreateName(userDao.selectOne(new QueryWrapper<User>().eq("id", a.getCreator())).getRealName());
                    return announcementVo;
                }
        ).collect(Collectors.toList());
        PageParam<AnnouncementVo> announcementVoPageParam = new PageParam<>();
        BeanUtils.copyProperties(announcementPageParamList, announcementVoPageParam);
        announcementVoPageParam.setRecords(announcementVoList);
        return announcementVoPageParam;
    }
 
    @Override
    public Integer updateStatus(Integer id) {
        return announcementDao.update(new Announcement().setStatus(1), new UpdateWrapper<Announcement>().eq("id", id));
    }
 
    @Override
    public Integer updateStatusUnshelve(Integer id) {
        return announcementDao.update(new Announcement().setStatus(2), new UpdateWrapper<Announcement>().eq("id", id));
    }
 
    @Override
    public Integer add(Integer groupId, Announcement announcement) {
        announcement.setStatus(0);
        announcement.setCtime(new Date());
        announcement.setGroupId(groupId);
        return announcementDao.insert(announcement);
    }
}