后台管理端删除聊天记录，新增新增头像，用户管理删选条件等

baizonghao

2023-05-22 aa8836a65e97e297340fff3a42615f0a36f314e7

 src/main/java/com/example/jz/service/impl/GroupServiceImpl.java

@@ -1,20 +1,132 @@
package com.example.jz.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.jz.dao.GroupDao;
import com.example.jz.modle.entity.Group;
import com.example.jz.dao.*;
import com.example.jz.modle.entity.*;
import com.example.jz.modle.vo.GroupMessageVo;
import com.example.jz.modle.vo.GroupUserVo;
import com.example.jz.service.GroupService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import javax.el.ELClass;
import java.util.Date;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 群表
(Group)表服务实现类
 * (Group)表服务实现类
 *
 * @author makejava
 * @since 2022-07-11 16:35:57
 */
@Service("groupService")
public class GroupServiceImpl extends ServiceImpl<GroupDao, Group> implements GroupService {
    @Resource
    private MessageDao messageDao;
    @Resource
    private AnnouncementDao announcementDao;
    @Resource
    private GroupDao groupDao;
    @Resource
    private UserDao userDao;
    @Resource
    private ReportDao reportDao;

    @Autowired
    public void setMessageDao(MessageDao messageDao) {
        this.messageDao = messageDao;
    }

    @Autowired
    public void setAnnouncementDao(AnnouncementDao announcementDao) {
        this.announcementDao = announcementDao;
    }

    @Autowired
    public void setGroupDao(GroupDao groupDao) {
        this.groupDao = groupDao;
    }

    @Override
    public List<GroupMessageVo> getAllMessage(Integer id) {
        List<GroupMessageVo> list = messageDao.selectList(new QueryWrapper<Message>().eq("group_id", id).orderByAsc("ctime")).stream().map(item -> {
            String username;
            String pic = null;
            Integer flag = 0;
            if (item.getUserId() == null) {
                User user = userDao.selectOne(new QueryWrapper<User>().eq("id", item.getCopId()));
                flag = 2;
                username = user.getRealName();
            } else {
                Report report = reportDao.selectOne(new QueryWrapper<Report>().eq("id", item.getUserId()));

                User user = userDao.selectOne(new QueryWrapper<User>().eq("id", report.getUserId()));
                String sex = user.getSex();
                if (sex == null || sex != "男"){
                    flag = 0;
                }
                else {
                    flag = 1;
                }
                if (!Objects.isNull(user)){
                    username = user.getRealName();
                }else {
                    username="";
                }
                pic = report.getPic();
                Message message = new Message();
                message.setReportName(username);
                messageDao.update(message, new QueryWrapper<Message>().eq("user_id", item.getUserId()));
            }
            GroupMessageVo groupMessageVo = new GroupMessageVo();
            groupMessageVo.setUserName(username);
            groupMessageVo.setText(item.getText());
            groupMessageVo.setCtime(item.getCtime());
            groupMessageVo.setPic(pic);
            groupMessageVo.setMessageId(item.getId());
            groupMessageVo.setFlag(flag);
            return groupMessageVo;
        }).collect(Collectors.toList());
        return list;
    }

    @Override
    public List<Announcement> getAllNotice(Integer id) {
        return announcementDao.selectList(new LambdaQueryWrapper<>(Announcement.class).eq(Announcement::getGroupId, id).eq(Announcement::getStatus, 1));
    }

    @Override
    public Boolean sendMessage(Integer id, String text) {
        Message message = new Message().setCopId(userDao.selectOne(new QueryWrapper<User>().eq("login_username", SecurityContextHolder.getContext().getAuthentication().getPrincipal())).getId())
                .setText(text).setGroupId(id).setCtime(new Date());
        return messageDao.insert(message) > 0;
    }

    @Override
    public List<GroupUserVo> getAllUser(Integer id) {
        return groupDao.getAllUser(id);
    }

    @Override
    public List<GroupMessageVo> getByCondition(String name, String text, Integer groupId) {
        return messageDao.selectList(new QueryWrapper<Message>().like(StringUtils.isNotBlank(text), "text", text).eq(StringUtils.isNotBlank(name),"report_name",name).eq("group_id", groupId).orderByAsc("ctime")).stream()
                .filter(item -> item.getUserId() != null)
                .map(item -> {
                    Report report = reportDao.selectOne(new QueryWrapper<Report>().eq("id", item.getUserId()));
                    GroupMessageVo groupMessageVo = new GroupMessageVo();
                    groupMessageVo.setUserName(item.getReportName());
                    groupMessageVo.setText(item.getText());
                    groupMessageVo.setCtime(item.getCtime());
                    groupMessageVo.setPic(report.getPic());
                    return groupMessageVo;
                }).collect(Collectors.toList());
    }
}