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.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.domain.ChatModel;
  import org.ruoyi.domain.bo.ChatModelBo;
  import org.ruoyi.domain.vo.ChatModelVo;
  import org.ruoyi.mapper.ChatModelMapper;
  import org.ruoyi.service.IChatModelService;
  import org.springframework.stereotype.Service;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  
  /**
   * 聊天模型Service业务层处理
   *
   * @author ageerle
   * @date 2025-04-08
   */
  @RequiredArgsConstructor
  @Service
  public class ChatModelServiceImpl implements IChatModelService {
  
      private final ChatModelMapper baseMapper;
  
  
      /**
       * 查询聊天模型
       */
      @Override
      public ChatModelVo queryById(Long id) {
          return baseMapper.selectVoById(id);
      }
  
      /**
       * 查询聊天模型列表
       */
      @Override
      public TableDataInfo<ChatModelVo> queryPageList(ChatModelBo bo, PageQuery pageQuery) {
          LambdaQueryWrapper<ChatModel> lqw = buildQueryWrapper(bo);
          Page<ChatModelVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(result);
      }
  
      /**
       * 查询聊天模型列表
       */
      @Override
      public List<ChatModelVo> queryList(ChatModelBo bo) {
          LambdaQueryWrapper<ChatModel> lqw = buildQueryWrapper(bo);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<ChatModel> buildQueryWrapper(ChatModelBo bo) {
          Map<String, Object> params = bo.getParams();
          LambdaQueryWrapper<ChatModel> lqw = Wrappers.lambdaQuery();
          lqw.eq(StringUtils.isNotBlank(bo.getCategory()), ChatModel::getCategory, bo.getCategory());
          lqw.like(StringUtils.isNotBlank(bo.getModelName()), ChatModel::getModelName, bo.getModelName());
          lqw.eq(StringUtils.isNotBlank(bo.getModelDescribe()), ChatModel::getModelDescribe, bo.getModelDescribe());
          lqw.eq(bo.getModelPrice() != null, ChatModel::getModelPrice, bo.getModelPrice());
          lqw.eq(StringUtils.isNotBlank(bo.getModelType()), ChatModel::getModelType, bo.getModelType());
          lqw.eq(StringUtils.isNotBlank(bo.getModelShow()), ChatModel::getModelShow, bo.getModelShow());
          lqw.eq(StringUtils.isNotBlank(bo.getSystemPrompt()), ChatModel::getSystemPrompt, bo.getSystemPrompt());
          lqw.eq(StringUtils.isNotBlank(bo.getApiHost()), ChatModel::getApiHost, bo.getApiHost());
          lqw.eq(StringUtils.isNotBlank(bo.getApiKey()), ChatModel::getApiKey, bo.getApiKey());
          return lqw;
      }
  
      /**
       * 新增聊天模型
       */
      @Override
      public Boolean insertByBo(ChatModelBo bo) {
          ChatModel add = MapstructUtils.convert(bo, ChatModel.class);
          validEntityBeforeSave(add);
          boolean flag = baseMapper.insert(add) > 0;
          if (flag) {
              bo.setId(add.getId());
          }
          return flag;
      }
  
      /**
       * 修改聊天模型
       */
      @Override
      public Boolean updateByBo(ChatModelBo bo) {
          ChatModel update = MapstructUtils.convert(bo, ChatModel.class);
          if (update != null) {
              validEntityBeforeSave(update);
          }
          return baseMapper.updateById(update) > 0;
      }
  
      /**
       * 保存前的数据校验
       */
      private void validEntityBeforeSave(ChatModel entity) {
          // 判断是否包含*号
          if (entity.getApiKey().contains("*")) {
              // 重新设置key信息
              entity.setApiKey(baseMapper.selectById(entity.getId()).getApiKey());
          }
      }
  
      /**
       * 批量删除聊天模型
       */
      @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;
      }
  
      /**
       * 通过模型名称获取模型信息
       */
      @Override
      public ChatModelVo selectModelByName(String modelName) {
          return baseMapper.selectVoOne(Wrappers.<ChatModel>lambdaQuery().eq(ChatModel::getModelName, modelName));
      }
  
      /**
       * 通过模型分类获取模型信息
       */
      @Override
      public ChatModelVo selectModelByCategory(String category) {
          return baseMapper.selectVoOne(Wrappers.<ChatModel>lambdaQuery().eq(ChatModel::getCategory, category));
      }
  
      /**
       * 通过模型分类获取优先级最高的模型信息
       */
      @Override
      public ChatModelVo selectModelByCategoryWithHighestPriority(String category) {
          return baseMapper.selectVoOne(
                  Wrappers.<ChatModel>lambdaQuery()
                          .eq(ChatModel::getCategory, category)
                          .orderByDesc(ChatModel::getPriority),
                  false
          );
      }
  
      /**
       * 在同一分类下，查找优先级小于当前优先级的最高优先级模型（用于降级）。
       */
      @Override
      public ChatModelVo selectFallbackModelByCategoryAndLessPriority(String category, Integer currentPriority) {
          return baseMapper.selectVoOne(
                  Wrappers.<ChatModel>lambdaQuery()
                          .eq(ChatModel::getCategory, category)
                          .lt(ChatModel::getPriority, currentPriority)
                          .orderByDesc(ChatModel::getPriority),
                  false
          );
      }
  
      @Override
      public ChatModel getPPT() {
          return baseMapper.selectOne(Wrappers.<ChatModel>lambdaQuery().eq(ChatModel::getModelName, "ppt"));
      }
  }
  