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.storage.plugin.banyandb;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.banyandb.v1.client.TagAndValue;
  import org.apache.skywalking.banyandb.v1.client.metadata.Property;
  import org.apache.skywalking.oap.server.core.management.ui.template.UITemplate;
  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.management.UITemplateManagementDAO;
  import org.apache.skywalking.oap.server.storage.plugin.banyandb.stream.AbstractBanyanDBDAO;
  
  import java.io.IOException;
  import java.util.List;
  import java.util.stream.Collectors;
  
  @Slf4j
  public class BanyanDBUITemplateManagementDAO extends AbstractBanyanDBDAO implements UITemplateManagementDAO {
      public static final String GROUP = "sw";
  
      public BanyanDBUITemplateManagementDAO(BanyanDBStorageClient client) {
          super(client);
      }
  
      @Override
      public DashboardConfiguration getTemplate(String id) throws IOException {
          Property p = getClient().queryProperty(GROUP, UITemplate.INDEX_NAME, id);
          if (p == null) {
              return null;
          }
          return fromEntity(parse(p));
      }
  
      @Override
      public List<DashboardConfiguration> getAllTemplates(Boolean includingDisabled) throws IOException {
          List<Property> propertyList = getClient().listProperties(GROUP, UITemplate.INDEX_NAME);
          return propertyList.stream().map(p -> fromEntity(parse(p)))
                  .filter(conf -> includingDisabled || !conf.isDisabled())
                  .collect(Collectors.toList());
      }
  
      @Override
      public TemplateChangeStatus addTemplate(DashboardSetting setting) {
          Property newTemplate = applyAll(setting.toEntity());
          try {
              this.getClient().define(newTemplate);
              return TemplateChangeStatus.builder()
                      .status(true)
                      .id(newTemplate.id())
                      .build();
          } catch (IOException ioEx) {
              log.error("fail to add new template", ioEx);
              return TemplateChangeStatus.builder().status(false).id(setting.getId()).message("Can't add a new template")
                      .build();
          }
      }
  
      @Override
      public TemplateChangeStatus changeTemplate(DashboardSetting setting) {
          Property newTemplate = applyConfiguration(setting.toEntity());
          try {
              this.getClient().define(newTemplate);
              return TemplateChangeStatus.builder()
                      .status(true)
                      .id(newTemplate.id())
                      .build();
          } catch (IOException ioEx) {
              log.error("fail to modify the template", ioEx);
              return TemplateChangeStatus.builder().status(false).id(setting.getId()).message("Can't change an existed template")
                      .build();
          }
      }
  
      @Override
      public TemplateChangeStatus disableTemplate(String id) throws IOException {
          Property oldProperty = this.getClient().queryProperty(GROUP, UITemplate.INDEX_NAME, id);
          if (oldProperty == null) {
              return TemplateChangeStatus.builder().status(false).id(id).message("Can't find the template")
                      .build();
          }
          UITemplate uiTemplate = parse(oldProperty);
          try {
              this.getClient().define(applyStatus(uiTemplate));
              return TemplateChangeStatus.builder()
                      .status(true)
                      .id(uiTemplate.id().build())
                      .build();
          } catch (IOException ioEx) {
              log.error("fail to disable the template", ioEx);
              return TemplateChangeStatus.builder().status(false).id(uiTemplate.id().build()).message("Can't disable the template")
                      .build();
          }
      }
  
      public DashboardConfiguration fromEntity(UITemplate uiTemplate) {
          DashboardConfiguration conf = new DashboardConfiguration();
          conf.fromEntity(uiTemplate);
          return conf;
      }
  
      public UITemplate parse(Property property) {
          UITemplate uiTemplate = new UITemplate();
          uiTemplate.setTemplateId(property.id());
  
          for (TagAndValue<?> tagAndValue : property.tags()) {
              if (tagAndValue.getTagName().equals(UITemplate.CONFIGURATION)) {
                  uiTemplate.setConfiguration((String) tagAndValue.getValue());
              } else if (tagAndValue.getTagName().equals(UITemplate.DISABLED)) {
                  uiTemplate.setDisabled(((Number) tagAndValue.getValue()).intValue());
              } else if (tagAndValue.getTagName().equals(UITemplate.UPDATE_TIME)) {
                  uiTemplate.setUpdateTime(((Number) tagAndValue.getValue()).longValue());
              }
          }
          return uiTemplate;
      }
  
      public Property applyAll(UITemplate uiTemplate) {
          return Property.create(GROUP, UITemplate.INDEX_NAME, uiTemplate.id().build())
                  .addTag(TagAndValue.newStringTag(UITemplate.CONFIGURATION, uiTemplate.getConfiguration()))
                  .addTag(TagAndValue.newLongTag(UITemplate.DISABLED, uiTemplate.getDisabled()))
                  .addTag(TagAndValue.newLongTag(UITemplate.UPDATE_TIME, uiTemplate.getUpdateTime()))
                  .build();
      }
  
      /**
       * Partial apply status, i.e. disable tag.
       *
       * @param uiTemplate previous UITemplate
       * @return new property (patch) to be applied
       */
      public Property applyStatus(UITemplate uiTemplate) {
          return Property.create(GROUP, UITemplate.INDEX_NAME, uiTemplate.id().build())
                  .addTag(TagAndValue.newLongTag(UITemplate.DISABLED, uiTemplate.getDisabled()))
                  .addTag(TagAndValue.newLongTag(UITemplate.UPDATE_TIME, uiTemplate.getUpdateTime()))
                  .build();
      }
  
      /**
       * Partial apply configuration, i.e. configuration tag.
       *
       * @param uiTemplate previous UITemplate
       * @return new property (patch) to be applied
       */
      public Property applyConfiguration(UITemplate uiTemplate) {
          return Property.create(GROUP, UITemplate.INDEX_NAME, uiTemplate.id().build())
                  .addTag(TagAndValue.newStringTag(UITemplate.CONFIGURATION, uiTemplate.getConfiguration()))
                  .addTag(TagAndValue.newLongTag(UITemplate.UPDATE_TIME, uiTemplate.getUpdateTime()))
                  .build();
      }
  }
  