MessageServiceImpl.java
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package com.zhongzhi.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zhongzhi.common.constant.Code;
import com.zhongzhi.common.exception.HttpException;
import com.zhongzhi.common.utils.Localstorage;
import com.zhongzhi.dto.message.MessagePageDTO;
import com.zhongzhi.model.AdministerDO;
import com.zhongzhi.model.MessageDO;
import com.zhongzhi.dao.MessageDAO;
import com.zhongzhi.service.AdministerService;
import com.zhongzhi.service.MessageService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
* <p>
* 通知消息表 服务实现类
* </p>
*
* @author DengMin
* @since 2021-05-17
*/
@Service
public class MessageServiceImpl extends ServiceImpl<MessageDAO, MessageDO> implements MessageService {
@Override
public void createMessage(MessageDO messageDO) {
AdministerDO administerDO = (AdministerDO) Localstorage.getUser();
if (administerDO == null) {
throw new HttpException(Code.TOKEN_EXPIRED.getCode(), Code.TOKEN_EXPIRED.getMessage());
}
messageDO.setUsername(administerDO.getUsername());
this.baseMapper.insert(messageDO);
}
@Override
public IPage<MessageDO> getMessagePage(MessagePageDTO messagePageDTO) {
IPage<MessageDO> iPage = this.baseMapper.selectPage(new Page(messagePageDTO.getPageNo(), messagePageDTO.getPageSize()),
new QueryWrapper<MessageDO>()
.lambda()
.orderByDesc(MessageDO::getCreateTime));
return iPage;
}
}