content: package cn.datax.service.data.metadata.service.impl;
  
  import cn.datax.common.core.RedisConstant;
  import cn.datax.common.exception.DataException;
  import cn.datax.common.redis.service.RedisService;
  import cn.datax.common.utils.SecurityUtil;
  import cn.datax.service.data.metadata.api.entity.MetadataAuthorizeEntity;
  import cn.datax.service.data.metadata.api.entity.MetadataTableEntity;
  import cn.datax.service.data.metadata.api.dto.MetadataTableDto;
  import cn.datax.service.data.metadata.api.enums.DataLevel;
  import cn.datax.service.data.metadata.api.query.MetadataTableQuery;
  import cn.datax.service.data.metadata.service.MetadataTableService;
  import cn.datax.service.data.metadata.mapstruct.MetadataTableMapper;
  import cn.datax.service.data.metadata.dao.MetadataTableDao;
  import cn.datax.common.base.BaseServiceImpl;
  import cn.hutool.core.util.StrUtil;
  import com.baomidou.mybatisplus.core.conditions.Wrapper;
  import com.baomidou.mybatisplus.core.metadata.IPage;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  import org.springframework.transaction.annotation.Propagation;
  import org.springframework.transaction.annotation.Transactional;
  
  import java.util.*;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  /**
   * <p>
   * 数据库表信息表 服务实现类
   * </p>
   *
   * @author AllDataDC
   * @date 2022-11-29
   */
  @Service
  @Transactional(propagation = Propagation.SUPPORTS, readOnly = true, rollbackFor = Exception.class)
  public class MetadataTableServiceImpl extends BaseServiceImpl<MetadataTableDao, MetadataTableEntity> implements MetadataTableService {
  
      @Autowired
      private MetadataTableDao metadataTableDao;
  
      @Autowired
      private MetadataTableMapper metadataTableMapper;
  
      @Autowired
      private RedisService redisService;
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public MetadataTableEntity saveMetadataTable(MetadataTableDto metadataTableDto) {
          MetadataTableEntity metadataTableEntity = metadataTableMapper.toEntity(metadataTableDto);
          metadataTableDao.insert(metadataTableEntity);
          return metadataTableEntity;
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public MetadataTableEntity updateMetadataTable(MetadataTableDto metadataTableDto) {
          MetadataTableEntity metadataTableEntity = metadataTableMapper.toEntity(metadataTableDto);
          metadataTableDao.updateById(metadataTableEntity);
          return metadataTableEntity;
      }
  
      @Override
      public MetadataTableEntity getMetadataTableById(String id) {
          MetadataTableEntity metadataTableEntity = super.getById(id);
          return metadataTableEntity;
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void deleteMetadataTableById(String id) {
          metadataTableDao.deleteById(id);
      }
  
      @Override
      @Transactional(rollbackFor = Exception.class)
      public void deleteMetadataTableBatch(List<String> ids) {
          metadataTableDao.deleteBatchIds(ids);
      }
  
      @Override
      public List<MetadataTableEntity> getDataMetadataTableList(MetadataTableQuery metadataTableQuery) {
          boolean admin = SecurityUtil.isAdmin();
          if (StrUtil.isBlank(metadataTableQuery.getSourceId())) {
              throw new DataException("数据源不能为空");
          }
          List<MetadataTableEntity> tableList = (List<MetadataTableEntity>) redisService.hget(RedisConstant.METADATA_TABLE_KEY, metadataTableQuery.getSourceId());
          Stream<MetadataTableEntity> stream = Optional.ofNullable(tableList).orElseGet(ArrayList::new).stream();
          if (!admin) {
              Set<String> set = new HashSet<>();
              List<String> roleIds = SecurityUtil.getUserRoleIds();
              roleIds.stream().forEach(role -> {
                  List<MetadataAuthorizeEntity> list = (List<MetadataAuthorizeEntity>) redisService.hget(RedisConstant.METADATA_AUTHORIZE_KEY, role);
                  set.addAll(Optional.ofNullable(list).orElseGet(ArrayList::new).stream()
                          .filter(s -> Objects.equals(DataLevel.TABLE.getKey(), s.getObjectType()))
                          .map(s -> s.getObjectId()).collect(Collectors.toSet()));
              });
              stream = stream.filter(s -> set.contains(s.getId()));
          }
          return stream.collect(Collectors.toList());
      }
  
      @Override
      public <E extends IPage<MetadataTableEntity>> E pageWithAuth(E page, Wrapper<MetadataTableEntity> queryWrapper) {
          boolean admin = SecurityUtil.isAdmin();
          List<String> roles = new ArrayList<>();
          if (!admin) {
              roles = SecurityUtil.getUserRoleIds();
          }
          return metadataTableDao.selectPageWithAuth(page, queryWrapper, roles);
      }
  }
  