package cn.iocoder.yudao.module.ai.service.model;
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import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
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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.model.vo.model.AiModelPageReqVO;
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import cn.iocoder.yudao.module.ai.controller.admin.model.vo.model.AiModelSaveReqVO;
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import cn.iocoder.yudao.module.ai.controller.admin.model.vo.model.AiModelUpdateStatusReqVO;
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import cn.iocoder.yudao.module.ai.dal.dataobject.model.AiApiKeyDO;
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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.model.AiModelMapper;
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import cn.iocoder.yudao.module.ai.enums.model.AiModelCapabilityEnum;
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import cn.iocoder.yudao.module.ai.enums.model.AiModelTypeEnum;
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import cn.iocoder.yudao.module.ai.enums.model.AiPlatformEnum;
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import cn.iocoder.yudao.module.ai.framework.ai.config.YudaoAiProperties;
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import cn.iocoder.yudao.module.ai.framework.ai.core.model.AiModelFactory;
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import jakarta.annotation.Resource;
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import org.springframework.ai.chat.model.ChatModel;
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import org.springframework.ai.embedding.EmbeddingModel;
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import org.springframework.ai.vectorstore.VectorStore;
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import org.springframework.ai.vectorstore.milvus.MilvusVectorStore;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.validation.annotation.Validated;
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import java.util.List;
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import java.util.Map;
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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.*;
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@Service
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@Validated
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public class AiModelServiceImpl implements AiModelService {
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@Resource
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private AiApiKeyService apiKeyService;
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@Resource
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private AiModelMapper modelMapper;
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@Resource
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private AiModelFactory modelFactory;
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@Resource
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private YudaoAiProperties aiProperties;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createModel(AiModelSaveReqVO createReqVO) {
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AiPlatformEnum.validatePlatform(createReqVO.getPlatform());
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apiKeyService.validateApiKey(createReqVO.getKeyId());
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AiModelDO model = BeanUtils.toBean(createReqVO, AiModelDO.class);
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model.setCapability(resolveCapability(createReqVO.getCapability()));
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if (CommonStatusEnum.isEnable(model.getStatus())) {
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disableOtherEnabledModels(model);
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}
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modelMapper.insert(model);
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return model.getId();
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updateModel(AiModelSaveReqVO updateReqVO) {
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AiModelDO existing = validateModelExists(updateReqVO.getId());
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AiPlatformEnum.validatePlatform(updateReqVO.getPlatform());
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apiKeyService.validateApiKey(updateReqVO.getKeyId());
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AiModelDO model = BeanUtils.toBean(updateReqVO, AiModelDO.class);
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// 未传能力时沿用原值，避免老前端提交把视觉模型降级成文本能力
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model.setCapability(resolveCapability(
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updateReqVO.getCapability() == null || updateReqVO.getCapability().isBlank()
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? existing.getCapability() : updateReqVO.getCapability()));
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if (CommonStatusEnum.isEnable(model.getStatus())) {
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disableOtherEnabledModels(model);
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}
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modelMapper.updateById(model);
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}
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@Override
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public void deleteModel(Long id) {
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validateModelExists(id);
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modelMapper.deleteById(id);
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}
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@Override
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public AiModelDO getModel(Long id) {
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return modelMapper.selectById(id);
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}
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@Override
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public AiModelDO getRequiredDefaultModel(Integer type) {
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return getRequiredDefaultModel(type, AiModelCapabilityEnum.defaultCapability());
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}
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@Override
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public AiModelDO getRequiredDefaultModel(Integer type, String capability) {
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AiModelDO model = modelMapper.selectFirstByTypeAndCapabilityAndStatus(
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type, resolveCapability(capability), CommonStatusEnum.ENABLE.getStatus());
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if (model == null) {
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throw exception(MODEL_NOT_ENABLED,
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AiModelTypeEnum.getName(type), AiModelCapabilityEnum.getName(resolveCapability(capability)));
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}
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return model;
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}
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@Override
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public PageResult<AiModelDO> getModelPage(AiModelPageReqVO pageReqVO) {
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return modelMapper.selectPage(pageReqVO);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updateModelStatus(AiModelUpdateStatusReqVO updateReqVO) {
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AiModelDO model = validateModelExists(updateReqVO.getId());
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model.setStatus(updateReqVO.getStatus());
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if (CommonStatusEnum.isEnable(updateReqVO.getStatus())) {
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// 启用：自动关闭同「类型 + 能力」下的其他模型，保证同组只有一个启用
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disableOtherEnabledModels(model);
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}
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modelMapper.updateById(model);
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}
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@Override
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public AiModelDO validateModel(Long id) {
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AiModelDO model = validateModelExists(id);
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if (CommonStatusEnum.isDisable(model.getStatus())) throw exception(MODEL_DISABLE, model.getName());
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return model;
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}
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@Override
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public List<AiModelDO> getModelListByStatusAndType(Integer status, Integer type, String platform) {
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return modelMapper.selectListByStatusAndType(status, type, platform);
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}
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/**
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* 关闭同「类型 + 能力」下已启用的其他模型（不含自身）
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*/
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private void disableOtherEnabledModels(AiModelDO model) {
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List<AiModelDO> sameGroup = modelMapper.selectListByTypeAndCapabilityAndStatus(
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model.getType(), resolveCapability(model.getCapability()), CommonStatusEnum.ENABLE.getStatus());
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for (AiModelDO other : sameGroup) {
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if (other.getId().equals(model.getId())) {
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continue;
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}
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AiModelDO update = new AiModelDO();
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update.setId(other.getId());
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update.setStatus(CommonStatusEnum.DISABLE.getStatus());
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modelMapper.updateById(update);
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}
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}
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private static String resolveCapability(String capability) {
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return capability == null || capability.isBlank()
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? AiModelCapabilityEnum.defaultCapability() : capability;
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}
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private AiModelDO validateModelExists(Long id) {
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AiModelDO model = modelMapper.selectById(id);
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if (model == null) throw exception(MODEL_NOT_EXISTS);
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return model;
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}
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// ========== 与 Spring AI 集成 ==========
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@Override
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public ChatModel getChatModel(Long id) {
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AiModelDO model = validateModel(id);
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AiApiKeyDO apiKey = apiKeyService.validateApiKey(model.getKeyId());
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AiPlatformEnum platform = AiPlatformEnum.validatePlatform(apiKey.getPlatform());
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// temperature / maxTokens 是 AI 模型表上一直存在、却从没人读过的两列：
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// 不读 temperature，库里配的值对调用方是假的；不读 maxTokens，长输出会被静默截断
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return modelFactory.getOrCreateChatModel(platform, apiKey.getApiKey(), apiKey.getUrl(), model.getModel(),
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model.getTemperature(), model.getMaxTokens(), aiProperties.getTimeout());
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}
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@Override
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public VectorStore getOrCreateVectorStore(Long id, Map<String, Class<?>> metadataFields) {
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AiModelDO model = validateModel(id);
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AiApiKeyDO apiKey = apiKeyService.validateApiKey(model.getKeyId());
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AiPlatformEnum platform = AiPlatformEnum.validatePlatform(apiKey.getPlatform());
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EmbeddingModel embeddingModel = modelFactory.getOrCreateEmbeddingModel(
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platform, apiKey.getApiKey(), apiKey.getUrl(), model.getModel());
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return modelFactory.getOrCreateVectorStore(MilvusVectorStore.class, embeddingModel, metadataFields);
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}
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}
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