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.processor.console;
  
  import org.apache.logging.log4j.Level;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.b3log.latke.Keys;
  import org.b3log.latke.http.RequestContext;
  import org.b3log.latke.http.renderer.JsonRenderer;
  import org.b3log.latke.ioc.Inject;
  import org.b3log.latke.ioc.Singleton;
  import org.b3log.solo.model.Tag;
  import org.b3log.solo.service.TagQueryService;
  import org.b3log.solo.util.StatusCodes;
  import org.json.JSONObject;
  
  /**
   * Tag console request processing.
   *
   * @author <a href="http://88250.b3log.org">Liang Ding</a>
   * @version 2.0.0.1, Jun 19, 2020
   * @since 0.4.0
   */
  @Singleton
  public class TagConsole {
  
      /**
       * Logger.
       */
      private static final Logger LOGGER = LogManager.getLogger(TagConsole.class);
  
      /**
       * Tag query service.
       */
      @Inject
      private TagQueryService tagQueryService;
  
      /**
       * Gets all tags.
       * <p>
       * Renders the response with a json object, for example,
       * <pre>
       * {
       *     "code": int,
       *     "tags": [
       *         {"tagTitle": "", ....},
       *         ....
       *     ]
       * }
       * </pre>
       * </p>
       *
       * @param context the specified request context
       */
      public void getTags(final RequestContext context) {
          final JsonRenderer renderer = new JsonRenderer();
          context.setRenderer(renderer);
          final JSONObject jsonObject = new JSONObject();
          renderer.setJSONObject(jsonObject);
  
          try {
              jsonObject.put(Tag.TAGS, tagQueryService.getTags());
              jsonObject.put(Keys.CODE, StatusCodes.SUCC);
          } catch (final Exception e) {
              LOGGER.log(Level.ERROR, "Gets tags failed", e);
              jsonObject.put(Keys.CODE, StatusCodes.ERR);
          }
      }
  }
  