content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed 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
   *
   *      http://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 com.alibaba.nacos.console.handler.impl.inner.naming;
  
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.model.Page;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.api.naming.pojo.maintainer.ServiceDetailInfo;
  import com.alibaba.nacos.api.naming.pojo.maintainer.SubscriberInfo;
  import com.alibaba.nacos.common.notify.NotifyCenter;
  import com.alibaba.nacos.common.trace.event.naming.DeregisterServiceTraceEvent;
  import com.alibaba.nacos.common.trace.event.naming.RegisterServiceTraceEvent;
  import com.alibaba.nacos.common.trace.event.naming.UpdateServiceTraceEvent;
  import com.alibaba.nacos.console.handler.impl.ConditionFunctionEnabled;
  import com.alibaba.nacos.console.handler.impl.inner.EnabledInnerHandler;
  import com.alibaba.nacos.console.handler.naming.ServiceHandler;
  import com.alibaba.nacos.naming.core.CatalogServiceV2Impl;
  import com.alibaba.nacos.naming.core.ClusterOperatorV2Impl;
  import com.alibaba.nacos.naming.core.ServiceOperatorV2Impl;
  import com.alibaba.nacos.naming.core.v2.ServiceManager;
  import com.alibaba.nacos.naming.core.v2.metadata.ClusterMetadata;
  import com.alibaba.nacos.naming.core.v2.metadata.ServiceMetadata;
  import com.alibaba.nacos.naming.core.v2.pojo.Service;
  import com.alibaba.nacos.naming.model.form.ServiceForm;
  import com.alibaba.nacos.naming.selector.SelectorManager;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Conditional;
  
  import java.util.List;
  
  /**
   * Implementation of ServiceHandler that handles service-related operations.
   *
   * @author zhangyukun
   */
  @org.springframework.stereotype.Service
  @EnabledInnerHandler
  @Conditional(ConditionFunctionEnabled.ConditionNamingEnabled.class)
  public class ServiceInnerHandler implements ServiceHandler {
      
      private final ServiceOperatorV2Impl serviceOperatorV2;
      
      private final SelectorManager selectorManager;
      
      private final CatalogServiceV2Impl catalogServiceV2;
      
      private final ClusterOperatorV2Impl clusterOperatorV2;
      
      @Autowired
      public ServiceInnerHandler(ServiceOperatorV2Impl serviceOperatorV2, SelectorManager selectorManager,
              CatalogServiceV2Impl catalogServiceV2, ClusterOperatorV2Impl clusterOperatorV2) {
          this.serviceOperatorV2 = serviceOperatorV2;
          this.selectorManager = selectorManager;
          this.catalogServiceV2 = catalogServiceV2;
          this.clusterOperatorV2 = clusterOperatorV2;
      }
      
      @Override
      public void createService(ServiceForm serviceForm, ServiceMetadata serviceMetadata) throws Exception {
          serviceOperatorV2.create(com.alibaba.nacos.naming.core.v2.pojo.Service.newService(serviceForm.getNamespaceId(),
                  serviceForm.getGroupName(), serviceForm.getServiceName(), serviceForm.getEphemeral()), serviceMetadata);
          NotifyCenter.publishEvent(
                  new RegisterServiceTraceEvent(System.currentTimeMillis(), serviceForm.getNamespaceId(),
                          serviceForm.getGroupName(), serviceForm.getServiceName()));
      }
      
      @Override
      public void deleteService(String namespaceId, String serviceName, String groupName) throws Exception {
          serviceOperatorV2.delete(
                  com.alibaba.nacos.naming.core.v2.pojo.Service.newService(namespaceId, groupName, serviceName));
          NotifyCenter.publishEvent(
                  new DeregisterServiceTraceEvent(System.currentTimeMillis(), namespaceId, groupName, serviceName));
      }
      
      @Override
      public void updateService(ServiceForm serviceForm, ServiceMetadata serviceMetadata) throws Exception {
          Service service = Service.newService(serviceForm.getNamespaceId(), serviceForm.getGroupName(),
                  serviceForm.getServiceName());
          if (!ServiceManager.getInstance().containSingleton(service)) {
              throw new NacosApiException(NacosException.NOT_FOUND, ErrorCode.SERVICE_NOT_EXIST,
                      "service %s is not exist.".formatted(service.toString()));
          }
          service = ServiceManager.getInstance().getSingleton(service);
          serviceOperatorV2.update(service, serviceMetadata);
          NotifyCenter.publishEvent(new UpdateServiceTraceEvent(System.currentTimeMillis(), serviceForm.getNamespaceId(),
                  serviceForm.getGroupName(), serviceForm.getServiceName(), serviceMetadata.getExtendData()));
      }
      
      @Override
      public List<String> getSelectorTypeList() throws NacosException {
          return selectorManager.getAllSelectorTypes();
      }
      
      @Override
      public Page<SubscriberInfo> getSubscribers(int pageNo, int pageSize, String namespaceId, String serviceName,
              String groupName, boolean aggregation) throws Exception {
          return serviceOperatorV2.getSubscribers(namespaceId, serviceName, groupName, aggregation, pageNo, pageSize);
      }
      
      @Override
      public Object getServiceList(boolean withInstances, String namespaceId, int pageNo, int pageSize,
              String serviceName, String groupName, boolean ignoreEmptyService) throws NacosException {
          if (withInstances) {
              return catalogServiceV2.pageListServiceDetail(namespaceId, groupName, serviceName, pageNo, pageSize);
          }
          return catalogServiceV2.listService(namespaceId, groupName, serviceName, pageNo, pageSize, ignoreEmptyService);
      }
      
      @Override
      public ServiceDetailInfo getServiceDetail(String namespaceId, String serviceName, String groupName)
              throws NacosException {
          return catalogServiceV2.getServiceDetail(namespaceId, groupName, serviceName);
      }
      
      @Override
      public void updateClusterMetadata(String namespaceId, String groupName, String serviceName, String clusterName,
              ClusterMetadata clusterMetadata) throws Exception {
          clusterOperatorV2.updateClusterMetadata(namespaceId, groupName, serviceName, clusterName, clusterMetadata);
      }
      
  }
  
  