package com.iailab.module.ai.service.chat;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.core.util.ObjectUtil;
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import com.iailab.framework.ai.core.enums.AiModelTypeEnum;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.util.object.BeanUtils;
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import com.iailab.module.ai.controller.admin.chat.vo.conversation.AiChatConversationCreateEnergyReqVO;
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import com.iailab.module.ai.controller.admin.chat.vo.conversation.AiChatConversationCreateMyReqVO;
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import com.iailab.module.ai.controller.admin.chat.vo.conversation.AiChatConversationPageReqVO;
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import com.iailab.module.ai.controller.admin.chat.vo.conversation.AiChatConversationUpdateMyReqVO;
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import com.iailab.module.ai.dal.dataobject.chat.AiChatConversationDO;
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import com.iailab.module.ai.dal.dataobject.model.AiModelDO;
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import com.iailab.module.ai.dal.dataobject.model.AiChatRoleDO;
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import com.iailab.module.ai.dal.mysql.chat.AiChatConversationMapper;
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import com.iailab.module.ai.service.knowledge.AiKnowledgeService;
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import com.iailab.module.ai.service.model.AiModelService;
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import com.iailab.module.ai.service.model.AiChatRoleService;
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import jakarta.annotation.Resource;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.time.LocalDateTime;
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import java.util.List;
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import java.util.Objects;
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import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static com.iailab.framework.common.util.collection.CollectionUtils.convertList;
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import static com.iailab.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
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import static com.iailab.module.ai.enums.ErrorCodeConstants.CHAT_CONVERSATION_MODEL_ERROR;
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import static com.iailab.module.ai.enums.ErrorCodeConstants.CHAT_CONVERSATION_NOT_EXISTS;
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/**
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* AI 聊天对话 Service 实现类
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*
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* @author fansili
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*/
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@Service
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@Validated
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@Slf4j
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public class AiChatConversationServiceImpl implements AiChatConversationService {
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@Resource
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private AiChatConversationMapper chatConversationMapper;
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@Resource
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private AiModelService modalService;
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@Resource
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private AiChatRoleService chatRoleService;
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@Resource
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private AiKnowledgeService knowledgeService;
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@Override
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public Long createChatConversationMy(AiChatConversationCreateMyReqVO createReqVO, Long userId) {
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// 1.1 获得 AiChatRoleDO 聊天角色
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AiChatRoleDO role = createReqVO.getRoleId() != null ? chatRoleService.validateChatRole(createReqVO.getRoleId()) : null;
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// 1.2 获得 AiModelDO 聊天模型
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AiModelDO model = role != null && role.getModelId() != null ? modalService.validateModel(role.getModelId())
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: modalService.getRequiredDefaultModel(AiModelTypeEnum.CHAT.getType());
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Assert.notNull(model, "必须找到默认模型");
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validateChatModel(model);
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// 1.3 校验知识库
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if (Objects.nonNull(createReqVO.getKnowledgeId())) {
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knowledgeService.validateKnowledgeExists(createReqVO.getKnowledgeId());
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}
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// 2. 创建 AiChatConversationDO 聊天对话
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AiChatConversationDO conversation = new AiChatConversationDO().setUserId(userId).setPinned(false)
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.setModelId(model.getId()).setModel(model.getModel())
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.setTemperature(model.getTemperature()).setMaxTokens(model.getMaxTokens()).setMaxContexts(model.getMaxContexts());
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if (role != null) {
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conversation.setTitle(role.getName()).setRoleId(role.getId()).setSystemMessage(role.getSystemMessage());
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} else {
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conversation.setTitle(AiChatConversationDO.TITLE_DEFAULT);
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}
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chatConversationMapper.insert(conversation);
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return conversation.getId();
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}
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@Override
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public Long createChatConversationEnergy(AiChatConversationCreateEnergyReqVO createReqVO) {
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// 1 获得 AiModelDO 聊天模型
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AiModelDO model = modalService.getModelByName(createReqVO.getModelName());
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Assert.notNull(model, "必须找到默认模型");
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validateChatModel(model);
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// 2. 创建 AiChatConversationDO 聊天对话
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AiChatConversationDO conversation = new AiChatConversationDO().setUserId(getLoginUserId()).setPinned(false)
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.setModelId(model.getId()).setModel(model.getModel())
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.setTemperature(model.getTemperature()).setMaxTokens(model.getMaxTokens()).setMaxContexts(model.getMaxContexts());
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conversation.setTitle("新对话");
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chatConversationMapper.insert(conversation);
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return conversation.getId();
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}
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@Override
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public void updateChatConversationMy(AiChatConversationUpdateMyReqVO updateReqVO, Long userId) {
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// 1.1 校验对话是否存在
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AiChatConversationDO conversation = validateChatConversationExists(updateReqVO.getId());
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if (ObjUtil.notEqual(conversation.getUserId(), userId)) {
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throw exception(CHAT_CONVERSATION_NOT_EXISTS);
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}
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// 1.2 校验模型是否存在（修改模型的情况）
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AiModelDO model = null;
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if (updateReqVO.getModelId() != null) {
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model = modalService.validateModel(updateReqVO.getModelId());
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}
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// 1.3 校验知识库是否存在
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if (updateReqVO.getKnowledgeId() != null) {
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knowledgeService.validateKnowledgeExists(updateReqVO.getKnowledgeId());
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}
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// 2. 更新对话信息
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AiChatConversationDO updateObj = BeanUtils.toBean(updateReqVO, AiChatConversationDO.class);
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if (Boolean.TRUE.equals(updateReqVO.getPinned())) {
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updateObj.setPinnedTime(LocalDateTime.now());
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}
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if (model != null) {
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updateObj.setModel(model.getModel());
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}
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chatConversationMapper.updateById(updateObj);
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}
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@Override
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public List<AiChatConversationDO> getChatConversationListByUserId(Long userId) {
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return chatConversationMapper.selectListByUserId(userId);
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}
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@Override
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public List<AiChatConversationDO> getChatConversationList(Long userId, String modelName) {
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AiModelDO model = modalService.getModelByName(modelName);
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if(model != null) {
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return chatConversationMapper.selectListByModel(userId, model.getId());
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} else {
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return null;
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}
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}
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@Override
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public AiChatConversationDO getChatConversation(Long id) {
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return chatConversationMapper.selectById(id);
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}
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@Override
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public void deleteChatConversationMy(Long id, Long userId) {
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// 1. 校验对话是否存在
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AiChatConversationDO conversation = validateChatConversationExists(id);
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if (conversation == null || ObjUtil.notEqual(conversation.getUserId(), userId)) {
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throw exception(CHAT_CONVERSATION_NOT_EXISTS);
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}
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// 2. 执行删除
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chatConversationMapper.deleteById(id);
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}
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@Override
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public void deleteChatConversationByAdmin(Long id) {
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// 1. 校验对话是否存在
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AiChatConversationDO conversation = validateChatConversationExists(id);
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if (conversation == null) {
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throw exception(CHAT_CONVERSATION_NOT_EXISTS);
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}
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// 2. 执行删除
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chatConversationMapper.deleteById(id);
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}
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private void validateChatModel(AiModelDO model) {
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if (ObjectUtil.isAllNotEmpty(model.getTemperature(), model.getMaxTokens(), model.getMaxContexts())) {
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return;
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}
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Assert.equals(model.getType(), AiModelTypeEnum.CHAT.getType(), "模型类型不正确：" + model);
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throw exception(CHAT_CONVERSATION_MODEL_ERROR);
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}
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public AiChatConversationDO validateChatConversationExists(Long id) {
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AiChatConversationDO conversation = chatConversationMapper.selectById(id);
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if (conversation == null) {
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throw exception(CHAT_CONVERSATION_NOT_EXISTS);
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}
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return conversation;
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}
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@Override
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public void deleteChatConversationMyByUnpinned(Long userId) {
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List<AiChatConversationDO> list = chatConversationMapper.selectListByUserIdAndPinned(userId, false);
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if (CollUtil.isEmpty(list)) {
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return;
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}
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chatConversationMapper.deleteBatchIds(convertList(list, AiChatConversationDO::getId));
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}
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@Override
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public PageResult<AiChatConversationDO> getChatConversationPage(AiChatConversationPageReqVO pageReqVO) {
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return chatConversationMapper.selectChatConversationPage(pageReqVO);
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}
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}
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