package org.ruoyi.system.service.impl;
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import cn.hutool.core.collection.CollectionUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import lombok.RequiredArgsConstructor;
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import org.ruoyi.common.core.utils.MapstructUtils;
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import org.ruoyi.common.core.utils.StringUtils;
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import org.ruoyi.common.mybatis.core.page.PageQuery;
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import org.ruoyi.common.mybatis.core.page.TableDataInfo;
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import org.ruoyi.system.domain.ChatMessage;
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import org.ruoyi.system.domain.SysUser;
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import org.ruoyi.system.domain.bo.ChatMessageBo;
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import org.ruoyi.system.domain.vo.ChatMessageVo;
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import org.ruoyi.system.domain.vo.SysUserVo;
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import org.ruoyi.system.mapper.ChatMessageMapper;
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import org.ruoyi.system.mapper.SysUserMapper;
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import org.ruoyi.system.service.IChatMessageService;
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import org.springframework.stereotype.Service;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* 聊天消息Service业务层处理
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*
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* @author Lion Li
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* @date 2023-11-26
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*/
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@RequiredArgsConstructor
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@Service
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public class ChatMessageServiceImpl implements IChatMessageService {
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private final ChatMessageMapper baseMapper;
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private final SysUserMapper sysUserMapper;
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/**
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* 查询聊天消息
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*/
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@Override
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public ChatMessageVo queryById(Long id){
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return baseMapper.selectVoById(id);
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}
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/**
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* 查询聊天消息列表
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*/
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@Override
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public TableDataInfo<ChatMessageVo> queryPageList(ChatMessageBo bo, PageQuery pageQuery) {
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// 根据用户名称查询用户
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if(StringUtils.isNotEmpty(bo.getUserName())){
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SysUserVo sysUserVo = sysUserMapper.selectUserByUserName(bo.getUserName());
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bo.setUserId(sysUserVo.getUserId());
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}
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LambdaQueryWrapper<ChatMessage> lqw = buildQueryWrapper(bo);
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Page<ChatMessageVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
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if(CollectionUtil.isEmpty(result.getRecords())){
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return TableDataInfo.build(result);
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}
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List<Long> userIds = result.getRecords().stream()
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.map(ChatMessageVo::getUserId)
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.collect(Collectors.toList());
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// 一次性查询所有userName
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Map<Long, String> userIdToUserNameMap = getUserNamesByUserIds(userIds);
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// 设置userName
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result.getRecords().forEach(chatMessageVo -> {
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chatMessageVo.setUserName(userIdToUserNameMap.get(chatMessageVo.getUserId()));
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});
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return TableDataInfo.build(result);
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}
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private Map<Long, String> getUserNamesByUserIds(List<Long> userIds) {
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// 实现批量查询userName的逻辑，例如通过sysUserMapper查询sys_user表
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List<SysUser> sysUsers = sysUserMapper.selectBatchIds(userIds);
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return sysUsers.stream()
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.collect(Collectors.toMap(SysUser::getUserId, SysUser::getUserName));
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}
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/**
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* 查询聊天消息列表
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*/
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@Override
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public List<ChatMessageVo> queryList(ChatMessageBo bo) {
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LambdaQueryWrapper<ChatMessage> lqw = buildQueryWrapper(bo);
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return baseMapper.selectVoList(lqw);
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}
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private LambdaQueryWrapper<ChatMessage> buildQueryWrapper(ChatMessageBo bo) {
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Map<String, Object> params = bo.getParams();
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LambdaQueryWrapper<ChatMessage> lqw = Wrappers.lambdaQuery();
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lqw.eq(bo.getUserId() != null, ChatMessage::getUserId, bo.getUserId());
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lqw.eq(StringUtils.isNotBlank(bo.getContent()), ChatMessage::getContent, bo.getContent());
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lqw.eq(bo.getDeductCost() != null, ChatMessage::getDeductCost, bo.getDeductCost());
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lqw.eq(bo.getTotalTokens() != null, ChatMessage::getTotalTokens, bo.getTotalTokens());
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lqw.like(StringUtils.isNotBlank(bo.getModelName()), ChatMessage::getModelName, bo.getModelName());
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return lqw;
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}
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/**
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* 新增聊天消息
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*/
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@Override
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public Boolean insertByBo(ChatMessageBo bo) {
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ChatMessage add = MapstructUtils.convert(bo, ChatMessage.class);
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validEntityBeforeSave(add);
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boolean flag = baseMapper.insert(add) > 0;
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if (flag) {
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bo.setId(add.getId());
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}
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return flag;
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}
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/**
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* 修改聊天消息
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*/
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@Override
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public Boolean updateByBo(ChatMessageBo bo) {
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ChatMessage update = MapstructUtils.convert(bo, ChatMessage.class);
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validEntityBeforeSave(update);
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return baseMapper.updateById(update) > 0;
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}
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/**
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* 保存前的数据校验
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*/
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private void validEntityBeforeSave(ChatMessage entity){
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//TODO 做一些数据校验,如唯一约束
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}
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/**
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* 批量删除聊天消息
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*/
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@Override
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public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
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if(isValid){
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//TODO 做一些业务上的校验,判断是否需要校验
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}
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return baseMapper.deleteBatchIds(ids) > 0;
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}
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}
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