content: package org.ruoyi.service.impl;
  
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.core.toolkit.Wrappers;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import lombok.RequiredArgsConstructor;
  import org.ruoyi.common.core.utils.MapstructUtils;
  import org.ruoyi.common.core.utils.StringUtils;
  import org.ruoyi.common.satoken.utils.LoginHelper;
  import org.ruoyi.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.domain.ChatMessage;
  import org.ruoyi.domain.bo.ChatMessageBo;
  import org.ruoyi.domain.vo.ChatMessageVo;
  import org.ruoyi.mapper.ChatMessageMapper;
  import org.ruoyi.service.IChatMessageService;
  import org.springframework.stereotype.Service;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  
  /**
   * 聊天消息Service业务层处理
   *
   * @author ageerle
   * @date 2025-04-08
   */
  @RequiredArgsConstructor
  @Service
  public class ChatMessageServiceImpl implements IChatMessageService {
  
      private final ChatMessageMapper baseMapper;
  
      /**
       * 查询聊天消息
       */
      @Override
      public ChatMessageVo queryById(Long id){
          return baseMapper.selectVoById(id);
      }
  
      /**
       * 查询聊天消息列表
       */
      @Override
      public TableDataInfo<ChatMessageVo> queryPageList(ChatMessageBo bo, PageQuery pageQuery) {
          if(!LoginHelper.isLogin()){
              return TableDataInfo.build();
          }
          // 只有非管理员才自动设置为自己的 ID
          if (!LoginHelper.isSuperAdmin()) {
              bo.setUserId(LoginHelper.getUserId());
          }
          LambdaQueryWrapper<ChatMessage> lqw = buildQueryWrapper(bo);
          Page<ChatMessageVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(result);
      }
  
      /**
       * 查询聊天消息列表
       */
      @Override
      public List<ChatMessageVo> queryList(ChatMessageBo bo) {
          LambdaQueryWrapper<ChatMessage> lqw = buildQueryWrapper(bo);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<ChatMessage> buildQueryWrapper(ChatMessageBo bo) {
          Map<String, Object> params = bo.getParams();
          LambdaQueryWrapper<ChatMessage> lqw = Wrappers.lambdaQuery();
          lqw.eq(bo.getUserId() != null, ChatMessage::getUserId, bo.getUserId());
          lqw.eq(StringUtils.isNotBlank(bo.getContent()), ChatMessage::getContent, bo.getContent());
          lqw.eq(bo.getSessionId() != null, ChatMessage::getSessionId, bo.getSessionId());
          lqw.like(StringUtils.isNotBlank(bo.getRole()), ChatMessage::getRole, bo.getRole());
          lqw.like(StringUtils.isNotBlank(bo.getModelName()), ChatMessage::getModelName, bo.getModelName());
          return lqw;
      }
  
      /**
       * 新增聊天消息
       */
      @Override
      public Boolean insertByBo(ChatMessageBo bo) {
          ChatMessage add = MapstructUtils.convert(bo, ChatMessage.class);
          validEntityBeforeSave(add);
          boolean flag = baseMapper.insert(add) > 0;
          if (flag) {
              bo.setId(add.getId());
          }
          return flag;
      }
  
      /**
       * 修改聊天消息
       */
      @Override
      public Boolean updateByBo(ChatMessageBo bo) {
          ChatMessage update = MapstructUtils.convert(bo, ChatMessage.class);
          validEntityBeforeSave(update);
          return baseMapper.updateById(update) > 0;
      }
  
      /**
       * 保存前的数据校验
       */
      private void validEntityBeforeSave(ChatMessage entity){
          //TODO 做一些数据校验,如唯一约束
      }
  
      /**
       * 批量删除聊天消息
       */
      @Override
      public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
          if(isValid){
              //TODO 做一些业务上的校验,判断是否需要校验
          }
          return baseMapper.deleteBatchIds(ids) > 0;
      }
  }
  