content: package com.ctrip.framework.apollo.portal.service;
  
  import com.ctrip.framework.apollo.common.dto.ClusterDTO;
  import com.ctrip.framework.apollo.common.exception.BadRequestException;
  import com.ctrip.framework.apollo.core.enums.Env;
  import com.ctrip.framework.apollo.portal.api.AdminServiceAPI;
  import com.ctrip.framework.apollo.portal.constant.TracerEventType;
  import com.ctrip.framework.apollo.portal.spi.UserInfoHolder;
  import com.ctrip.framework.apollo.tracer.Tracer;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  
  import java.util.List;
  
  @Service
  public class ClusterService {
  
    @Autowired
    private UserInfoHolder userInfoHolder;
    @Autowired
    private AdminServiceAPI.ClusterAPI clusterAPI;
  
    public List<ClusterDTO> findClusters(Env env, String appId) {
      return clusterAPI.findClustersByApp(appId, env);
    }
  
    public ClusterDTO createCluster(Env env, ClusterDTO cluster) {
      if (!clusterAPI.isClusterUnique(cluster.getAppId(), env, cluster.getName())) {
        throw new BadRequestException(String.format("cluster %s already exists.", cluster.getName()));
      }
      ClusterDTO clusterDTO = clusterAPI.create(env, cluster);
  
      Tracer.logEvent(TracerEventType.CREATE_CLUSTER, cluster.getAppId(), "0", cluster.getName());
  
      return clusterDTO;
    }
  
    public void deleteCluster(Env env, String appId, String clusterName){
      clusterAPI.delete(env, appId, clusterName, userInfoHolder.getUser().getUserId());
    }
  
    public ClusterDTO loadCluster(String appId, Env env, String clusterName){
      return clusterAPI.loadCluster(appId, env, clusterName);
    }
  
  }
  