code: /*
   * 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
   *
   *     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 org.apache.skywalking.oap.server.core.management.ui.template;
  
  import java.io.IOException;
  import java.util.List;
  import lombok.RequiredArgsConstructor;
  import org.apache.skywalking.oap.server.core.query.input.DashboardSetting;
  import org.apache.skywalking.oap.server.core.query.type.DashboardConfiguration;
  import org.apache.skywalking.oap.server.core.query.type.TemplateChangeStatus;
  import org.apache.skywalking.oap.server.core.storage.StorageModule;
  import org.apache.skywalking.oap.server.core.storage.management.UITemplateManagementDAO;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  import org.apache.skywalking.oap.server.library.module.Service;
  
  @RequiredArgsConstructor
  public class UITemplateManagementService implements Service {
      private final ModuleManager moduleManager;
      private UITemplateManagementDAO uiTemplateManagementDAO;
  
      private UITemplateManagementDAO getUITemplateManagementDAO() {
          if (uiTemplateManagementDAO == null) {
              this.uiTemplateManagementDAO = moduleManager.find(StorageModule.NAME)
                                                          .provider()
                                                          .getService(UITemplateManagementDAO.class);
          }
          return uiTemplateManagementDAO;
      }
  
      public DashboardConfiguration getTemplate(String id) throws IOException {
          DashboardConfiguration configuration = getUITemplateManagementDAO().getTemplate(id);
          if (configuration.isDisabled()) {
              return null;
          }
          return configuration;
      }
  
      public List<DashboardConfiguration> getAllTemplates(Boolean includingDisabled) throws IOException {
          final List<DashboardConfiguration> allTemplates =
              getUITemplateManagementDAO().getAllTemplates(includingDisabled);
          return allTemplates;
      }
  
      public TemplateChangeStatus addTemplate(DashboardSetting setting) throws IOException {
          return getUITemplateManagementDAO().addTemplate(setting);
      }
  
      public TemplateChangeStatus changeTemplate(DashboardSetting setting) throws IOException {
          return getUITemplateManagementDAO().changeTemplate(setting);
      }
  
      public TemplateChangeStatus disableTemplate(String id) throws IOException {
          return getUITemplateManagementDAO().disableTemplate(id);
      }
  
      public void addIfNotExist(DashboardSetting setting) throws IOException {
          DashboardConfiguration configuration = getUITemplateManagementDAO().getTemplate(setting.getId());
          if (configuration == null) {
              getUITemplateManagementDAO().addTemplate(setting);
          }
      }
  }
  