content: package org.ruoyi.system.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.constant.CacheNames;
  import org.ruoyi.common.core.exception.ServiceException;
  import org.ruoyi.common.core.utils.MapstructUtils;
  import org.ruoyi.common.core.utils.StringUtils;
  import org.ruoyi.common.redis.utils.CacheUtils;
  import org.ruoyi.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.system.domain.SysDictData;
  import org.ruoyi.system.domain.bo.SysDictDataBo;
  import org.ruoyi.system.domain.vo.SysDictDataVo;
  import org.ruoyi.system.mapper.SysDictDataMapper;
  import org.ruoyi.system.service.ISysDictDataService;
  import org.springframework.cache.annotation.CachePut;
  import org.springframework.stereotype.Service;
  
  import java.util.List;
  
  /**
   * 字典 业务层处理
   *
   * @author Lion Li
   */
  @RequiredArgsConstructor
  @Service
  public class SysDictDataServiceImpl implements ISysDictDataService {
  
      private final SysDictDataMapper baseMapper;
  
      @Override
      public TableDataInfo<SysDictDataVo> selectPageDictDataList(SysDictDataBo dictData, PageQuery pageQuery) {
          LambdaQueryWrapper<SysDictData> lqw = buildQueryWrapper(dictData);
          Page<SysDictDataVo> page = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(page);
      }
  
      /**
       * 根据条件分页查询字典数据
       *
       * @param dictData 字典数据信息
       * @return 字典数据集合信息
       */
      @Override
      public List<SysDictDataVo> selectDictDataList(SysDictDataBo dictData) {
          LambdaQueryWrapper<SysDictData> lqw = buildQueryWrapper(dictData);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<SysDictData> buildQueryWrapper(SysDictDataBo bo) {
          LambdaQueryWrapper<SysDictData> lqw = Wrappers.lambdaQuery();
          lqw.eq(bo.getDictSort() != null, SysDictData::getDictSort, bo.getDictSort());
          lqw.like(StringUtils.isNotBlank(bo.getDictLabel()), SysDictData::getDictLabel, bo.getDictLabel());
          lqw.eq(StringUtils.isNotBlank(bo.getDictType()), SysDictData::getDictType, bo.getDictType());
          lqw.eq(StringUtils.isNotBlank(bo.getStatus()), SysDictData::getStatus, bo.getStatus());
          lqw.orderByAsc(SysDictData::getDictSort);
          return lqw;
      }
  
      /**
       * 根据字典类型和字典键值查询字典数据信息
       *
       * @param dictType  字典类型
       * @param dictValue 字典键值
       * @return 字典标签
       */
      @Override
      public String selectDictLabel(String dictType, String dictValue) {
          return baseMapper.selectOne(new LambdaQueryWrapper<SysDictData>()
                  .select(SysDictData::getDictLabel)
                  .eq(SysDictData::getDictType, dictType)
                  .eq(SysDictData::getDictValue, dictValue))
              .getDictLabel();
      }
  
      /**
       * 根据字典数据ID查询信息
       *
       * @param dictCode 字典数据ID
       * @return 字典数据
       */
      @Override
      public SysDictDataVo selectDictDataById(Long dictCode) {
          return baseMapper.selectVoById(dictCode);
      }
  
      /**
       * 批量删除字典数据信息
       *
       * @param dictCodes 需要删除的字典数据ID
       */
      @Override
      public void deleteDictDataByIds(Long[] dictCodes) {
          for (Long dictCode : dictCodes) {
              SysDictData data = baseMapper.selectById(dictCode);
              baseMapper.deleteById(dictCode);
              CacheUtils.evict(CacheNames.SYS_DICT, data.getDictType());
          }
      }
  
      /**
       * 新增保存字典数据信息
       *
       * @param bo 字典数据信息
       * @return 结果
       */
      @CachePut(cacheNames = CacheNames.SYS_DICT, key = "#bo.dictType")
      @Override
      public List<SysDictDataVo> insertDictData(SysDictDataBo bo) {
          SysDictData data = MapstructUtils.convert(bo, SysDictData.class);
          int row = baseMapper.insert(data);
          if (row > 0) {
              return baseMapper.selectDictDataByType(data.getDictType());
          }
          throw new ServiceException("操作失败");
      }
  
      /**
       * 修改保存字典数据信息
       *
       * @param bo 字典数据信息
       * @return 结果
       */
      @CachePut(cacheNames = CacheNames.SYS_DICT, key = "#bo.dictType")
      @Override
      public List<SysDictDataVo> updateDictData(SysDictDataBo bo) {
          SysDictData data = MapstructUtils.convert(bo, SysDictData.class);
          int row = baseMapper.updateById(data);
          if (row > 0) {
              return baseMapper.selectDictDataByType(data.getDictType());
          }
          throw new ServiceException("操作失败");
      }
  
  }
  