content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.bigtop.manager.server.service.impl;
  
  import org.apache.bigtop.manager.dao.po.ClusterPO;
  import org.apache.bigtop.manager.dao.po.HostPO;
  import org.apache.bigtop.manager.dao.po.ServicePO;
  import org.apache.bigtop.manager.dao.repository.ClusterDao;
  import org.apache.bigtop.manager.dao.repository.HostDao;
  import org.apache.bigtop.manager.dao.repository.ServiceDao;
  import org.apache.bigtop.manager.server.enums.ApiExceptionEnum;
  import org.apache.bigtop.manager.server.exception.ApiException;
  import org.apache.bigtop.manager.server.model.converter.ClusterConverter;
  import org.apache.bigtop.manager.server.model.dto.ClusterDTO;
  import org.apache.bigtop.manager.server.model.vo.ClusterVO;
  import org.apache.bigtop.manager.server.service.ClusterService;
  
  import org.apache.commons.collections4.CollectionUtils;
  
  import org.springframework.stereotype.Service;
  
  import lombok.extern.slf4j.Slf4j;
  
  import jakarta.annotation.Resource;
  import java.util.List;
  
  @Slf4j
  @Service
  public class ClusterServiceImpl implements ClusterService {
  
      @Resource
      private ClusterDao clusterDao;
  
      @Resource
      private HostDao hostDao;
  
      @Resource
      private ServiceDao serviceDao;
  
      @Override
      public List<ClusterVO> list() {
          List<ClusterPO> clusterPOList = clusterDao.findAll();
          return ClusterConverter.INSTANCE.fromPO2VO(clusterPOList);
      }
  
      @Override
      public ClusterVO get(Long id) {
          ClusterPO clusterPO = clusterDao.findDetailsById(id);
          if (clusterPO == null) {
              throw new ApiException(ApiExceptionEnum.CLUSTER_NOT_FOUND);
          }
  
          int serviceNum = serviceDao.countByClusterId(id);
          clusterPO.setTotalService((long) serviceNum);
          return ClusterConverter.INSTANCE.fromPO2VO(clusterPO);
      }
  
      @Override
      public ClusterVO update(Long id, ClusterDTO clusterDTO) {
          ClusterPO clusterPO = ClusterConverter.INSTANCE.fromDTO2PO(clusterDTO);
          clusterPO.setId(id);
          clusterDao.partialUpdateById(clusterPO);
  
          return get(id);
      }
  
      @Override
      public Boolean remove(Long id) {
          List<HostPO> hostPOList = hostDao.findAllByClusterId(id);
          if (CollectionUtils.isNotEmpty(hostPOList)) {
              throw new ApiException(ApiExceptionEnum.CLUSTER_HAS_HOSTS);
          }
  
          List<ServicePO> servicePOList = serviceDao.findByClusterId(id);
          if (CollectionUtils.isNotEmpty(servicePOList)) {
              throw new ApiException(ApiExceptionEnum.CLUSTER_HAS_SERVICES);
          }
  
          return clusterDao.deleteById(id);
      }
  }
  