content: package org.ruoyi.service.impl;
  
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
  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.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.domain.KnowledgeRoleRelation;
  import org.ruoyi.domain.bo.KnowledgeRoleRelationBo;
  import org.ruoyi.domain.vo.KnowledgeRoleRelationVo;
  import org.ruoyi.mapper.KnowledgeRoleRelationMapper;
  import org.ruoyi.service.IKnowledgeRoleRelationService;
  import org.springframework.stereotype.Service;
  
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  import java.util.Map;
  
  /**
   * 知识库角色与知识库关联Service业务层处理
   *
   * @author ageerle
   * @date 2025-07-19
   */
  @RequiredArgsConstructor
  @Service
  public class KnowledgeRoleRelationServiceImpl implements IKnowledgeRoleRelationService {
  
      private final KnowledgeRoleRelationMapper baseMapper;
      private final KnowledgeRoleRelationMapper knowledgeRoleRelationMapper;
  
      /**
       * 查询知识库角色与知识库关联
       */
      @Override
      public KnowledgeRoleRelationVo queryById(Long id) {
          return baseMapper.selectVoById(id);
      }
  
      /**
       * 查询知识库角色与知识库关联列表
       */
      @Override
      public TableDataInfo<KnowledgeRoleRelationVo> queryPageList(KnowledgeRoleRelationBo bo, PageQuery pageQuery) {
          LambdaQueryWrapper<KnowledgeRoleRelation> lqw = buildQueryWrapper(bo);
          Page<KnowledgeRoleRelationVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(result);
      }
  
      /**
       * 查询知识库角色与知识库关联列表
       */
      @Override
      public List<KnowledgeRoleRelationVo> queryList(KnowledgeRoleRelationBo bo) {
          LambdaQueryWrapper<KnowledgeRoleRelation> lqw = buildQueryWrapper(bo);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<KnowledgeRoleRelation> buildQueryWrapper(KnowledgeRoleRelationBo bo) {
          Map<String, Object> params = bo.getParams();
          LambdaQueryWrapper<KnowledgeRoleRelation> lqw = Wrappers.lambdaQuery();
          lqw.eq(bo.getKnowledgeRoleId() != null, KnowledgeRoleRelation::getKnowledgeRoleId, bo.getKnowledgeRoleId());
          lqw.eq(bo.getKnowledgeId() != null, KnowledgeRoleRelation::getKnowledgeId, bo.getKnowledgeId());
          return lqw;
      }
  
      /**
       * 新增知识库角色与知识库关联
       */
      @Override
      public Boolean insertByBo(KnowledgeRoleRelationBo bo) {
          KnowledgeRoleRelation add = MapstructUtils.convert(bo, KnowledgeRoleRelation.class);
          validEntityBeforeSave(add);
          boolean flag = baseMapper.insert(add) > 0;
          if (flag) {
              bo.setId(add.getId());
          }
          return flag;
      }
  
      /**
       * 修改知识库角色与知识库关联
       */
      @Override
      public Boolean updateByBo(KnowledgeRoleRelationBo bo) {
          KnowledgeRoleRelation update = MapstructUtils.convert(bo, KnowledgeRoleRelation.class);
          validEntityBeforeSave(update);
          return baseMapper.updateById(update) > 0;
      }
  
      /**
       * 保存前的数据校验
       */
      private void validEntityBeforeSave(KnowledgeRoleRelation entity) {
          //TODO 做一些数据校验,如唯一约束
      }
  
      /**
       * 批量删除知识库角色与知识库关联
       */
      @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;
      }
  
      public void saveRoleKnowledgeRelations(Long knowledgeRoleId, List<Long> knowledgeIds) {
          if (knowledgeRoleId == null) {
              throw new IllegalArgumentException("knowledgeRoleId不能为空");
          }
  
          // 1. 删除旧的关联记录
          knowledgeRoleRelationMapper.deleteByRoleId(knowledgeRoleId);
  
          // 2. 插入新的关联记录
          if (CollectionUtils.isNotEmpty(knowledgeIds)) {
              List<KnowledgeRoleRelation> insertList = new ArrayList<>();
              knowledgeIds.forEach(knowledgeId -> {
                  KnowledgeRoleRelation knowledgeRoleRelation = new KnowledgeRoleRelation();
                  knowledgeRoleRelation.setKnowledgeId(knowledgeId);
                  knowledgeRoleRelation.setKnowledgeRoleId(knowledgeRoleId);
                  insertList.add(knowledgeRoleRelation);
              });
              knowledgeRoleRelationMapper.insertBatch(insertList);
          }
      }
  }
  