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Liferay Journal Service
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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.journal.verify;

import com.liferay.journal.model.JournalArticle;
import com.liferay.journal.model.JournalArticleResource;
import com.liferay.journal.service.JournalArticleLocalService;
import com.liferay.journal.service.JournalArticleResourceLocalService;
import com.liferay.portal.kernel.dao.orm.DynamicQuery;
import com.liferay.portal.kernel.dao.orm.Property;
import com.liferay.portal.kernel.dao.orm.PropertyFactoryUtil;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.model.SystemEvent;
import com.liferay.portal.kernel.model.SystemEventConstants;
import com.liferay.portal.kernel.service.SystemEventLocalService;
import com.liferay.portal.kernel.util.LoggingTimer;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.verify.VerifyProcess;

import java.util.List;

/**
 * @author Daniel Kocsis
 */
public class JournalServiceSystemEventVerifyProcess extends VerifyProcess {

	/**
	 * @deprecated As of 3.3.0
	 */
	@Deprecated
	public JournalServiceSystemEventVerifyProcess() {
		_journalArticleLocalService = null;
		_journalArticleResourceLocalService = null;
		_systemEventLocalService = null;
	}

	public JournalServiceSystemEventVerifyProcess(
		JournalArticleLocalService journalArticleLocalService,
		JournalArticleResourceLocalService journalArticleResourceLocalService,
		SystemEventLocalService systemEventLocalService) {

		_journalArticleLocalService = journalArticleLocalService;
		_journalArticleResourceLocalService =
			journalArticleResourceLocalService;
		_systemEventLocalService = systemEventLocalService;
	}

	@Override
	protected void doVerify() throws Exception {
		verifyJournalArticleDeleteSystemEvents();
	}

	/**
	 * @deprecated As of 3.3.0
	 */
	@Deprecated
	protected void setJournalArticleLocalService(
		JournalArticleLocalService journalArticleLocalService) {
	}

	/**
	 * @deprecated As of 3.3.0
	 */
	@Deprecated
	protected void setJournalArticleResourceLocalService(
		JournalArticleResourceLocalService journalArticleResourceLocalService) {
	}

	/**
	 * @deprecated As of 3.3.0
	 */
	@Deprecated
	protected void setSystemEventLocalService(
		SystemEventLocalService systemEventLocalService) {
	}

	protected void verifyJournalArticleDeleteSystemEvents() throws Exception {
		try (LoggingTimer loggingTimer = new LoggingTimer()) {
			DynamicQuery dynamicQuery = _systemEventLocalService.dynamicQuery();

			Property classNameIdProperty = PropertyFactoryUtil.forName(
				"classNameId");

			dynamicQuery.add(
				classNameIdProperty.eq(
					PortalUtil.getClassNameId(JournalArticle.class)));

			Property typeProperty = PropertyFactoryUtil.forName("type");

			dynamicQuery.add(typeProperty.eq(SystemEventConstants.TYPE_DELETE));

			List systemEvents =
				_systemEventLocalService.dynamicQuery(dynamicQuery);

			if (_log.isDebugEnabled()) {
				_log.debug(
					"Processing " + systemEvents.size() + " delete system " +
						"events for journal articles");
			}

			for (SystemEvent systemEvent : systemEvents) {
				JSONObject extraDataJSONObject =
					JSONFactoryUtil.createJSONObject(
						systemEvent.getExtraData());

				if (extraDataJSONObject.has("uuid") ||
					!extraDataJSONObject.has("version")) {

					continue;
				}

				JournalArticleResource journalArticleResource =
					_journalArticleResourceLocalService.
						fetchJournalArticleResourceByUuidAndGroupId(
							systemEvent.getClassUuid(),
							systemEvent.getGroupId());

				if (journalArticleResource == null) {
					continue;
				}

				JournalArticle journalArticle =
					_journalArticleLocalService.fetchArticle(
						systemEvent.getGroupId(),
						journalArticleResource.getArticleId(),
						extraDataJSONObject.getDouble("version"));

				if ((journalArticle == null) || journalArticle.isInTrash()) {
					continue;
				}

				_systemEventLocalService.deleteSystemEvent(systemEvent);
			}

			if (_log.isDebugEnabled()) {
				_log.debug(
					"Delete system events verified for journal articles");
			}
		}
	}

	private static final Log _log = LogFactoryUtil.getLog(
		JournalServiceSystemEventVerifyProcess.class);

	private final JournalArticleLocalService _journalArticleLocalService;
	private final JournalArticleResourceLocalService
		_journalArticleResourceLocalService;
	private final SystemEventLocalService _systemEventLocalService;

}