content: /*
   * Solo - A small and beautiful blogging system written in Java.
   * Copyright (c) 2010-present, b3log.org
   *
   * Solo is licensed under Mulan PSL v2.
   * You can use this software according to the terms and conditions of the Mulan PSL v2.
   * You may obtain a copy of Mulan PSL v2 at:
   *         http://license.coscl.org.cn/MulanPSL2
   * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
   * See the Mulan PSL v2 for more details.
   */
  package org.b3log.solo.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.Transaction;
  import org.b3log.latke.service.LangPropsService;
  import org.b3log.latke.service.ServiceException;
  import org.b3log.latke.service.annotation.Service;
  import org.b3log.solo.model.Option;
  import org.b3log.solo.repository.OptionRepository;
  import org.b3log.solo.util.Skins;
  import org.json.JSONObject;
  
  import java.util.Set;
  
  /**
   * Skin management service.
   *
   * @author <a href="http://88250.b3log.org">Liang Ding</a>
   * @version 1.0.0.2, Jan 2, 2020
   * @since 3.5.0
   */
  @Service
  public class SkinMgmtService {
  
      /**
       * Logger.
       */
      private static final Logger LOGGER = LogManager.getLogger(SkinMgmtService.class);
  
      /**
       * Option query service.
       */
      @Inject
      private OptionQueryService optionQueryService;
  
      /**
       * Option repository.
       */
      @Inject
      private OptionRepository optionRepository;
  
      /**
       * Language service.
       */
      @Inject
      private LangPropsService langPropsService;
  
      /**
       * Loads skins.
       *
       * @param skin the specified skin
       * @throws Exception exception
       */
      public void loadSkins(final JSONObject skin) throws Exception {
          final Set<String> skinDirNames = Skins.getSkinDirNames();
          final String currentSkinDirName = skin.optString(Option.ID_C_SKIN_DIR_NAME);
          if (!skinDirNames.contains(currentSkinDirName)) {
              LOGGER.log(Level.WARN, "Not found skin [dirName={}] configured, try to use default skin [dirName="
                      + Option.DefaultPreference.DEFAULT_SKIN_DIR_NAME + "] instead", currentSkinDirName);
              if (!skinDirNames.contains(Option.DefaultPreference.DEFAULT_SKIN_DIR_NAME)) {
                  LOGGER.log(Level.ERROR, "Not found default skin [dirName=" + Option.DefaultPreference.DEFAULT_SKIN_DIR_NAME
                          + "], please redeploy your Solo and make sure contains the default skin.");
                  System.exit(-1);
              }
  
              skin.put(Option.ID_C_SKIN_DIR_NAME, Option.DefaultPreference.DEFAULT_SKIN_DIR_NAME);
              updateSkin(skin);
          }
  
          final String currentMobileSkinDirName = skin.optString(Option.ID_C_MOBILE_SKIN_DIR_NAME);
          if (!skinDirNames.contains(currentMobileSkinDirName)) {
              LOGGER.log(Level.WARN, "Not found mobile skin [dirName={}] configured, try to use default mobile skin [dirName="
                      + Option.DefaultPreference.DEFAULT_MOBILE_SKIN_DIR_NAME + "] instead", currentMobileSkinDirName);
              if (!skinDirNames.contains(Option.DefaultPreference.DEFAULT_MOBILE_SKIN_DIR_NAME)) {
                  LOGGER.log(Level.ERROR, "Not found default mobile skin [dirName=" + Option.DefaultPreference.DEFAULT_MOBILE_SKIN_DIR_NAME
                          + "], please redeploy your Solo and make sure contains the default mobile skin.");
                  System.exit(-1);
              }
  
              skin.put(Option.ID_C_MOBILE_SKIN_DIR_NAME, Option.DefaultPreference.DEFAULT_MOBILE_SKIN_DIR_NAME);
              updateSkin(skin);
          }
      }
  
      /**
       * Updates the skin with the specified skin.
       *
       * @param skin the specified skin
       * @throws ServiceException service exception
       */
      public void updateSkin(final JSONObject skin) throws ServiceException {
          final Transaction transaction = optionRepository.beginTransaction();
          try {
              final JSONObject skinDirNameOpt = optionRepository.get(Option.ID_C_SKIN_DIR_NAME);
              skinDirNameOpt.put(Option.OPTION_VALUE, skin.optString(Option.ID_C_SKIN_DIR_NAME));
              optionRepository.update(Option.ID_C_SKIN_DIR_NAME, skinDirNameOpt);
  
              final JSONObject mobileSkinDirNameOpt = optionRepository.get(Option.ID_C_MOBILE_SKIN_DIR_NAME);
              mobileSkinDirNameOpt.put(Option.OPTION_VALUE, skin.optString(Option.ID_C_MOBILE_SKIN_DIR_NAME));
              optionRepository.update(Option.ID_C_MOBILE_SKIN_DIR_NAME, mobileSkinDirNameOpt);
  
              transaction.commit();
          } catch (final Exception e) {
              if (transaction.isActive()) {
                  transaction.rollback();
              }
  
              LOGGER.log(Level.ERROR, "Updates skin failed", e);
              throw new ServiceException(langPropsService.get("updateFailLabel"));
          }
      }
  }
  