001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.messageboards.trash;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.kernel.repository.model.FileEntry;
020    import com.liferay.portal.kernel.trash.BaseTrashHandler;
021    import com.liferay.portal.model.ContainerModel;
022    import com.liferay.portal.model.TrashedModel;
023    import com.liferay.portal.portletfilerepository.PortletFileRepositoryUtil;
024    import com.liferay.portal.security.permission.PermissionChecker;
025    import com.liferay.portlet.documentlibrary.model.DLFileEntry;
026    import com.liferay.portlet.messageboards.model.MBMessage;
027    import com.liferay.portlet.messageboards.model.MBThread;
028    import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
029    import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
030    import com.liferay.portlet.messageboards.service.MBThreadLocalServiceUtil;
031    import com.liferay.portlet.messageboards.service.permission.MBMessagePermission;
032    import com.liferay.portlet.messageboards.util.MBMessageAttachmentsUtil;
033    import com.liferay.portlet.trash.model.TrashEntry;
034    
035    /**
036     * Implements trash handling for message boards message entity.
037     *
038     * @author Zsolt Berentey
039     */
040    public class MBMessageTrashHandler extends BaseTrashHandler {
041    
042            @Override
043            public void deleteTrashEntry(long classPK) {
044            }
045    
046            @Override
047            public String getClassName() {
048                    return MBMessage.class.getName();
049            }
050    
051            @Override
052            public ContainerModel getContainerModel(long containerModelId)
053                    throws PortalException, SystemException {
054    
055                    return MBThreadLocalServiceUtil.getThread(containerModelId);
056            }
057    
058            @Override
059            public String getContainerModelClassName() {
060                    return MBThread.class.getName();
061            }
062    
063            @Override
064            public ContainerModel getParentContainerModel(TrashedModel trashedModel)
065                    throws PortalException, SystemException {
066    
067                    MBMessage message = (MBMessage)trashedModel;
068    
069                    return getContainerModel(message.getThreadId());
070            }
071    
072            @Override
073            public TrashEntry getTrashEntry(long classPK)
074                    throws PortalException, SystemException {
075    
076                    MBMessage message = MBMessageLocalServiceUtil.getMessage(classPK);
077    
078                    return message.getTrashEntry();
079            }
080    
081            @Override
082            public boolean isDeletable() {
083                    return false;
084            }
085    
086            @Override
087            public boolean isInTrash(long classPK)
088                    throws PortalException, SystemException {
089    
090                    MBMessage message = MBMessageLocalServiceUtil.getMessage(classPK);
091    
092                    return message.isInTrash();
093            }
094    
095            @Override
096            public boolean isInTrashContainer(long classPK)
097                    throws PortalException, SystemException {
098    
099                    MBMessage message = MBMessageLocalServiceUtil.getMessage(classPK);
100    
101                    return message.isInTrashContainer();
102            }
103    
104            @Override
105            public void restoreRelatedTrashEntry(String className, long classPK)
106                    throws PortalException, SystemException {
107    
108                    if (!className.equals(DLFileEntry.class.getName())) {
109                            return;
110                    }
111    
112                    FileEntry fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(
113                            classPK);
114    
115                    MBMessage message = MBMessageAttachmentsUtil.getMessage(classPK);
116    
117                    MBMessageServiceUtil.restoreMessageAttachmentFromTrash(
118                            message.getMessageId(), fileEntry.getTitle());
119            }
120    
121            @Override
122            public void restoreTrashEntry(long userId, long classPK) {
123            }
124    
125            @Override
126            protected boolean hasPermission(
127                            PermissionChecker permissionChecker, long classPK, String actionId)
128                    throws PortalException, SystemException {
129    
130                    return MBMessagePermission.contains(
131                            permissionChecker, classPK, actionId);
132            }
133    
134    }