/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, B3log Team
*
* Licensed 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.b3log.solo.repository.impl;
import java.text.ParseException;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang.time.DateUtils;
import org.b3log.latke.Keys;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.PropertyFilter;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.SortDirection;
import org.b3log.latke.repository.annotation.Repository;
import org.b3log.latke.util.CollectionUtils;
import org.b3log.solo.model.ArchiveDate;
import org.b3log.solo.repository.ArchiveDateRepository;
import org.json.JSONArray;
import org.json.JSONObject;
/**
* Archive date repository.
*
* @author <a href="http://88250.b3log.org">Liang Ding</a>
* @version 1.0.0.8, Jan 31, 2013
* @since 0.3.1
*/
@Repository
public class ArchiveDateRepositoryImpl extends AbstractRepository implements ArchiveDateRepository {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(ArchiveDateRepositoryImpl.class.getName());
/**
* Public constructor.
*/
public ArchiveDateRepositoryImpl() {
super(ArchiveDate.ARCHIVE_DATE);
}
@Override
public JSONObject getByArchiveDate(final String archiveDate) throws RepositoryException {
long time = 0L;
try {
time = DateUtils.parseDate(archiveDate, new String[] {"yyyy/MM"}).getTime();
} catch (final ParseException e) {
LOGGER.log(Level.ERROR, "Can not parse archive date [" + archiveDate + "]", e);
throw new RepositoryException("Can not parse archive date [" + archiveDate + "]");
}
LOGGER.log(Level.TRACE, "Archive date [{0}] parsed to time [{1}]", new Object[] {archiveDate, time});
final Query query = new Query();
query.setFilter(new PropertyFilter(ArchiveDate.ARCHIVE_TIME, FilterOperator.EQUAL, time)).setPageCount(1);
final JSONObject result = get(query);
final JSONArray array = result.optJSONArray(Keys.RESULTS);
if (0 == array.length()) {
return null;
}
return array.optJSONObject(0);
}
@Override
public List<JSONObject> getArchiveDates() throws RepositoryException {
final org.b3log.latke.repository.Query query = new Query().addSort(ArchiveDate.ARCHIVE_TIME, SortDirection.DESCENDING).setPageCount(
1);
final JSONObject result = get(query);
final JSONArray archiveDates = result.optJSONArray(Keys.RESULTS);
final List<JSONObject> ret = CollectionUtils.jsonArrayToList(archiveDates);
removeForUnpublishedArticles(ret);
return ret;
}
/**
* Removes archive dates of unpublished articles from the specified archive
* dates.
*
* @param archiveDates the specified archive dates
* @throws RepositoryException repository exception
*/
private void removeForUnpublishedArticles(final List<JSONObject> archiveDates) throws RepositoryException {
final Iterator<JSONObject> iterator = archiveDates.iterator();
while (iterator.hasNext()) {
final JSONObject archiveDate = iterator.next();
if (0 == archiveDate.optInt(ArchiveDate.ARCHIVE_DATE_PUBLISHED_ARTICLE_COUNT)) {
iterator.remove();
}
}
}
}