MessageServiceImpl.java

package com.subsidy.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.subsidy.common.constant.Code;
import com.subsidy.common.exception.HttpException;
import com.subsidy.dto.message.CreateMessageDTO;
import com.subsidy.dto.message.MessagePageDTO;
import com.subsidy.mapper.AdministerMapper;
import com.subsidy.model.AdministerDO;
import com.subsidy.model.MessageDO;
import com.subsidy.mapper.MessageMapper;
import com.subsidy.service.MessageService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.subsidy.util.Localstorage;
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 Tuyp
 * @since 2025-01-08
 */
@Service
public class MessageServiceImpl extends ServiceImpl<MessageMapper, MessageDO> implements MessageService {

    @Autowired
    private AdministerMapper administerMapper;

    @Override
    public void createMessage(CreateMessageDTO createMessageDTO) {
        AdministerDO administerDO = administerMapper.selectById(createMessageDTO.getUserId());
        createMessageDTO.setUsername(administerDO.getUsername());
        this.baseMapper.insert(createMessageDTO);
    }

    @Override
    public IPage<MessageDO> getMessagePage(MessagePageDTO messagePageDTO) {
        IPage<MessageDO> iPage = this.baseMapper.selectPage(new Page(messagePageDTO.getPageNum(), messagePageDTO.getPageSize()),
                new QueryWrapper<MessageDO>()
                        .lambda()
                        .orderByDesc(MessageDO::getCreateDate));
        return iPage;
    }
}