package cn.iocoder.yudao.module.ai.service.knowledge;
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import cn.hutool.core.util.ObjUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.ai.controller.admin.knowledge.vo.knowledge.AiKnowledgePageReqVO;
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import cn.iocoder.yudao.module.ai.controller.admin.knowledge.vo.knowledge.AiKnowledgeSaveReqVO;
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import cn.iocoder.yudao.module.ai.dal.dataobject.knowledge.AiKnowledgeDO;
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import cn.iocoder.yudao.module.ai.dal.dataobject.model.AiModelDO;
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import cn.iocoder.yudao.module.ai.dal.mysql.knowledge.AiKnowledgeMapper;
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import cn.iocoder.yudao.module.ai.service.model.AiModelService;
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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.transaction.annotation.Transactional;
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import java.util.List;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.ai.enums.ErrorCodeConstants.KNOWLEDGE_NOT_EXISTS;
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/**
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* AI 知识库-基础信息 Service 实现类
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*
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* @author xiaoxin
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*/
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@Service
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@Slf4j
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public class AiKnowledgeServiceImpl implements AiKnowledgeService {
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@Resource
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private AiKnowledgeMapper knowledgeMapper;
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@Resource
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private AiModelService modelService;
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@Resource
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private AiKnowledgeSegmentService knowledgeSegmentService;
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@Resource
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private AiKnowledgeDocumentService knowledgeDocumentService;
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@Override
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public Long createKnowledge(AiKnowledgeSaveReqVO createReqVO) {
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// 1. 校验模型配置
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AiModelDO model = modelService.validateModel(createReqVO.getEmbeddingModelId());
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// 2. 插入知识库
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AiKnowledgeDO knowledge = BeanUtils.toBean(createReqVO, AiKnowledgeDO.class)
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.setEmbeddingModel(model.getModel());
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knowledgeMapper.insert(knowledge);
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return knowledge.getId();
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}
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@Override
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public void updateKnowledge(AiKnowledgeSaveReqVO updateReqVO) {
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// 1.1 校验知识库存在
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AiKnowledgeDO oldKnowledge = validateKnowledgeExists(updateReqVO.getId());
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// 1.2 校验模型配置
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AiModelDO model = modelService.validateModel(updateReqVO.getEmbeddingModelId());
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// 2. 更新知识库
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AiKnowledgeDO updateObj = BeanUtils.toBean(updateReqVO, AiKnowledgeDO.class)
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.setEmbeddingModel(model.getModel());
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knowledgeMapper.updateById(updateObj);
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// 3. 如果模型变化，需要 reindex 所有的文档
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if (ObjUtil.notEqual(oldKnowledge.getEmbeddingModelId(), updateReqVO.getEmbeddingModelId())) {
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knowledgeSegmentService.reindexByKnowledgeIdAsync(updateReqVO.getId());
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deleteKnowledge(Long id) {
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// 1. 校验存在
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validateKnowledgeExists(id);
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// 2. 删除知识库下的所有文档及段落
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knowledgeDocumentService.deleteKnowledgeDocumentByKnowledgeId(id);
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// 3. 删除知识库
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// 特殊：知识库需要最后删除，不然相关的配置会找不到
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knowledgeMapper.deleteById(id);
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}
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@Override
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public AiKnowledgeDO getKnowledge(Long id) {
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return knowledgeMapper.selectById(id);
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}
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@Override
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public AiKnowledgeDO validateKnowledgeExists(Long id) {
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AiKnowledgeDO knowledge = knowledgeMapper.selectById(id);
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if (knowledge == null) {
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throw exception(KNOWLEDGE_NOT_EXISTS);
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}
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return knowledge;
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}
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@Override
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public PageResult<AiKnowledgeDO> getKnowledgePage(AiKnowledgePageReqVO pageReqVO) {
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return knowledgeMapper.selectPage(pageReqVO);
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}
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@Override
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public List<AiKnowledgeDO> getKnowledgeSimpleListByStatus(Integer status) {
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return knowledgeMapper.selectListByStatus(status);
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}
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}
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