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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.search;

import com.liferay.journal.model.JournalFolder;
import com.liferay.journal.service.JournalFolderLocalService;
import com.liferay.journal.service.permission.JournalFolderPermission;
import com.liferay.portal.kernel.dao.orm.ActionableDynamicQuery;
import com.liferay.portal.kernel.dao.orm.IndexableActionableDynamicQuery;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.search.BaseIndexer;
import com.liferay.portal.kernel.search.Document;
import com.liferay.portal.kernel.search.Field;
import com.liferay.portal.kernel.search.FolderIndexer;
import com.liferay.portal.kernel.search.IndexWriterHelperUtil;
import com.liferay.portal.kernel.search.Indexer;
import com.liferay.portal.kernel.search.SearchContext;
import com.liferay.portal.kernel.search.Summary;
import com.liferay.portal.kernel.search.filter.BooleanFilter;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.util.CharPool;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.trash.kernel.util.TrashUtil;

import java.util.Locale;

import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Eduardo Garcia
 */
@Component(immediate = true, service = Indexer.class)
public class JournalFolderIndexer
	extends BaseIndexer implements FolderIndexer {

	public static final String CLASS_NAME = JournalFolder.class.getName();

	public JournalFolderIndexer() {
		setDefaultSelectedFieldNames(
			Field.COMPANY_ID, Field.DESCRIPTION, Field.ENTRY_CLASS_NAME,
			Field.ENTRY_CLASS_PK, Field.TITLE, Field.UID);
		setFilterSearch(true);
		setPermissionAware(true);
	}

	@Override
	public String getClassName() {
		return CLASS_NAME;
	}

	@Override
	public String[] getFolderClassNames() {
		return new String[] {CLASS_NAME};
	}

	@Override
	public boolean hasPermission(
			PermissionChecker permissionChecker, String entryClassName,
			long entryClassPK, String actionId)
		throws Exception {

		JournalFolder folder = _journalFolderLocalService.getFolder(
			entryClassPK);

		return JournalFolderPermission.contains(
			permissionChecker, folder, ActionKeys.VIEW);
	}

	@Override
	public void postProcessContextBooleanFilter(
			BooleanFilter contextBooleanFilter, SearchContext searchContext)
		throws Exception {

		addStatus(contextBooleanFilter, searchContext);
	}

	@Override
	protected void doDelete(JournalFolder journalFolder) throws Exception {
		deleteDocument(
			journalFolder.getCompanyId(), journalFolder.getFolderId());
	}

	@Override
	protected Document doGetDocument(JournalFolder journalFolder)
		throws Exception {

		if (_log.isDebugEnabled()) {
			_log.debug("Indexing journalFolder " + journalFolder);
		}

		Document document = getBaseModelDocument(CLASS_NAME, journalFolder);

		document.addText(Field.DESCRIPTION, journalFolder.getDescription());
		document.addKeyword(Field.FOLDER_ID, journalFolder.getParentFolderId());

		String title = journalFolder.getName();

		if (journalFolder.isInTrash()) {
			title = TrashUtil.getOriginalTitle(title);
		}

		document.addText(Field.TITLE, title);

		document.addKeyword(
			Field.TREE_PATH,
			StringUtil.split(journalFolder.getTreePath(), CharPool.SLASH));

		if (_log.isDebugEnabled()) {
			_log.debug("Document " + journalFolder + " indexed successfully");
		}

		return document;
	}

	@Override
	protected Summary doGetSummary(
		Document document, Locale locale, String snippet,
		PortletRequest portletRequest, PortletResponse portletResponse) {

		Summary summary = createSummary(
			document, Field.TITLE, Field.DESCRIPTION);

		summary.setMaxContentLength(200);

		return summary;
	}

	@Override
	protected void doReindex(JournalFolder journalFolder) throws Exception {
		Document document = getDocument(journalFolder);

		IndexWriterHelperUtil.updateDocument(
			getSearchEngineId(), journalFolder.getCompanyId(), document,
			isCommitImmediately());
	}

	@Override
	protected void doReindex(String className, long classPK) throws Exception {
		JournalFolder folder = _journalFolderLocalService.getFolder(classPK);

		doReindex(folder);
	}

	@Override
	protected void doReindex(String[] ids) throws Exception {
		long companyId = GetterUtil.getLong(ids[0]);

		reindexFolders(companyId);
	}

	protected void reindexFolders(long companyId) throws PortalException {
		final IndexableActionableDynamicQuery indexableActionableDynamicQuery =
			_journalFolderLocalService.getIndexableActionableDynamicQuery();

		indexableActionableDynamicQuery.setCompanyId(companyId);
		indexableActionableDynamicQuery.setPerformActionMethod(
			new ActionableDynamicQuery.PerformActionMethod() {

				@Override
				public void performAction(JournalFolder folder) {
					try {
						Document document = getDocument(folder);

						if (document != null) {
							indexableActionableDynamicQuery.addDocuments(
								document);
						}
					}
					catch (PortalException pe) {
						if (_log.isWarnEnabled()) {
							_log.warn(
								"Unable to index journal folder " +
									folder.getFolderId(),
								pe);
						}
					}
				}

			});
		indexableActionableDynamicQuery.setSearchEngineId(getSearchEngineId());

		indexableActionableDynamicQuery.performActions();
	}

	@Reference(unbind = "-")
	protected void setJournalFolderLocalService(
		JournalFolderLocalService journalFolderLocalService) {

		_journalFolderLocalService = journalFolderLocalService;
	}

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

	private JournalFolderLocalService _journalFolderLocalService;

}