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.Keys;
  import org.b3log.latke.ioc.Inject;
  import org.b3log.latke.repository.*;
  import org.b3log.latke.service.annotation.Service;
  import org.b3log.symphony.model.Verifycode;
  import org.b3log.symphony.repository.VerifycodeRepository;
  import org.json.JSONObject;
  
  /**
   * Verifycode query service.
   *
   * @author <a href="http://88250.b3log.org">Liang Ding</a>
   * @version 1.2.0.1, Jun 13, 2018
   * @since 1.3.0
   */
  @Service
  public class VerifycodeQueryService {
  
      /**
       * Logger.
       */
      private static final Logger LOGGER = LogManager.getLogger(VerifycodeQueryService.class);
  
      /**
       * Verifycode repository.
       */
      @Inject
      private VerifycodeRepository verifycodeRepository;
  
      /**
       * Gets a verifycode with the specified type, biz type and user id.
       *
       * @param type    the specified type
       * @param bizType the specified biz type
       * @param userId  the specified user id
       * @return verifycode, returns {@code null} if not found
       */
      public JSONObject getVerifycodeByUserId(final int type, final int bizType, final String userId) {
          final Query query = new Query().setFilter(CompositeFilterOperator.and(
                  new PropertyFilter(Verifycode.TYPE, FilterOperator.EQUAL, type),
                  new PropertyFilter(Verifycode.BIZ_TYPE, FilterOperator.EQUAL, bizType),
                  new PropertyFilter(Verifycode.USER_ID, FilterOperator.EQUAL, userId))).
                  addSort(Keys.OBJECT_ID, SortDirection.DESCENDING);
          try {
              return verifycodeRepository.getFirst(query);
          } catch (final Exception e) {
              LOGGER.log(Level.ERROR, "Gets verifycode failed", e);
              return null;
          }
      }
  
      /**
       * Gets a verifycode with the specified code.
       *
       * @param code the specified code
       * @return verifycode, returns {@code null} if not found
       */
      public JSONObject getVerifycode(final String code) {
          final Query query = new Query().setFilter(new PropertyFilter(Verifycode.CODE, FilterOperator.EQUAL, code));
          try {
              return verifycodeRepository.getFirst(query);
          } catch (final Exception e) {
              LOGGER.log(Level.ERROR, "Gets verifycode failed", e);
              return null;
          }
      }
  }
  