DLSubscriptionUtil.java

/**
 * 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.document.library.web.internal.util;

import com.liferay.document.library.kernel.model.DLFileEntryType;
import com.liferay.document.library.kernel.model.DLFileEntryTypeConstants;
import com.liferay.document.library.kernel.model.DLFolder;
import com.liferay.document.library.kernel.model.DLFolderConstants;
import com.liferay.document.library.kernel.service.DLAppLocalServiceUtil;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.subscription.service.SubscriptionLocalServiceUtil;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Adolfo Pérez
 */
public class DLSubscriptionUtil {

	public static boolean isSubscribedToFileEntryType(
		long companyId, long groupId, long userId, long fileEntryTypeId) {

		if (fileEntryTypeId ==
				DLFileEntryTypeConstants.FILE_ENTRY_TYPE_ID_BASIC_DOCUMENT) {

			fileEntryTypeId = groupId;
		}

		return SubscriptionLocalServiceUtil.isSubscribed(
			companyId, userId, DLFileEntryType.class.getName(),
			fileEntryTypeId);
	}

	public static boolean isSubscribedToFolder(
			long companyId, long groupId, long userId, long folderId)
		throws PortalException {

		return isSubscribedToFolder(companyId, groupId, userId, folderId, true);
	}

	public static boolean isSubscribedToFolder(
			long companyId, long groupId, long userId, long folderId,
			boolean recursive)
		throws PortalException {

		List<Long> ancestorFolderIds = new ArrayList<>();

		if (folderId != DLFolderConstants.DEFAULT_PARENT_FOLDER_ID) {
			Folder folder = DLAppLocalServiceUtil.getFolder(folderId);

			ancestorFolderIds.add(folderId);

			if (recursive) {
				ancestorFolderIds.addAll(folder.getAncestorFolderIds());

				ancestorFolderIds.add(groupId);
			}
		}
		else {
			ancestorFolderIds.add(groupId);
		}

		long[] folderIdsArray = ArrayUtil.toLongArray(ancestorFolderIds);

		return SubscriptionLocalServiceUtil.isSubscribed(
			companyId, userId, DLFolder.class.getName(), folderIdsArray);
	}

}