content: /*
   * Symphony - A modern community (forum/BBS/SNS/blog) platform written in Java.
   * Copyright (C) 2012-present, b3log.org
   *
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <https://www.gnu.org/licenses/>.
   */
  package org.b3log.symphony.service;
  
  import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.b3log.latke.ioc.Inject;
  import org.b3log.latke.repository.RepositoryException;
  import org.b3log.latke.repository.Transaction;
  import org.b3log.latke.service.annotation.Service;
  import org.b3log.symphony.repository.OptionRepository;
  import org.json.JSONObject;
  
  /**
   * Option management service.
   *
   * @author <a href="http://88250.b3log.org">Liang Ding</a>
   * @version 1.1.0.0, Apr 5, 2016
   * @since 1.1.0
   */
  @Service
  public class OptionMgmtService {
  
      /**
       * Logger.
       */
      private static final Logger LOGGER = LogManager.getLogger(OptionMgmtService.class);
  
      /**
       * Option repository.
       */
      @Inject
      private OptionRepository optionRepository;
  
      /**
       * Removes an option.
       *
       * @param id the specified option id
       */
      public void removeOption(final String id) {
          final Transaction transaction = optionRepository.beginTransaction();
  
          try {
              optionRepository.remove(id);
  
              transaction.commit();
          } catch (final RepositoryException e) {
              if (transaction.isActive()) {
                  transaction.rollback();
              }
  
              LOGGER.log(Level.ERROR, "Removes an option failed", e);
          }
      }
  
      /**
       * Adds the specified option.
       *
       * @param option the specified option
       */
      public void addOption(final JSONObject option) {
          final Transaction transaction = optionRepository.beginTransaction();
  
          try {
              optionRepository.add(option);
  
              transaction.commit();
          } catch (final RepositoryException e) {
              if (transaction.isActive()) {
                  transaction.rollback();
              }
  
              LOGGER.log(Level.ERROR, "Adds an option failed", e);
          }
      }
  
      /**
       * Updates the specified option by the given option id.
       *
       * @param optionId the given option id
       * @param option   the specified option
       */
      public void updateOption(final String optionId, final JSONObject option) {
          final Transaction transaction = optionRepository.beginTransaction();
  
          try {
              optionRepository.update(optionId, option);
  
              transaction.commit();
          } catch (final RepositoryException e) {
              if (transaction.isActive()) {
                  transaction.rollback();
              }
  
              LOGGER.log(Level.ERROR, "Updates an option[id=" + optionId + "] failed", e);
          }
      }
  }
  