/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.modules.portfolio.handler;
import java.io.File;
import org.olat.core.commons.modules.bc.meta.MetaInfo;
import org.olat.core.commons.modules.bc.meta.tagged.MetaTagged;
import org.olat.core.commons.services.image.Size;
import org.olat.core.gui.UserRequest;
import org.olat.core.gui.control.Controller;
import org.olat.core.gui.control.WindowControl;
import org.olat.core.gui.util.CSSHelper;
import org.olat.core.id.Identity;
import org.olat.core.logging.activity.ThreadLocalUserActivityLogger;
import org.olat.core.util.FileUtils;
import org.olat.core.util.StringHelper;
import org.olat.core.util.vfs.VFSContainer;
import org.olat.core.util.vfs.VFSItem;
import org.olat.core.util.vfs.VFSLeaf;
import org.olat.core.util.vfs.VFSManager;
import org.olat.modules.portfolio.Media;
import org.olat.modules.portfolio.MediaInformations;
import org.olat.modules.portfolio.MediaLight;
import org.olat.modules.portfolio.PortfolioLoggingAction;
import org.olat.modules.portfolio.manager.MediaDAO;
import org.olat.modules.portfolio.manager.PortfolioFileStorage;
import org.olat.modules.portfolio.ui.editor.InteractiveAddPageElementHandler;
import org.olat.modules.portfolio.ui.editor.PageElementAddController;
import org.olat.modules.portfolio.ui.media.CollectFileMediaController;
import org.olat.modules.portfolio.ui.media.FileMediaController;
import org.olat.modules.portfolio.ui.media.UploadMedia;
import org.olat.portfolio.manager.EPFrontendManager;
import org.olat.portfolio.model.artefacts.AbstractArtefact;
import org.olat.portfolio.model.artefacts.FileArtefact;
import org.olat.util.logging.activity.LoggingResourceable;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
*
* Initial date: 20.06.2016<br>
* @author srosse, stephane.rosse@frentix.com, http://www.frentix.com
*
*/
@Service
public class FileHandler extends AbstractMediaHandler implements InteractiveAddPageElementHandler {
public static final String FILE_TYPE = "bc";
@Autowired
private MediaDAO mediaDao;
@Autowired
private PortfolioFileStorage fileStorage;
@Autowired
private EPFrontendManager oldPortfolioManager;
public FileHandler() {
super(FILE_TYPE);
}
@Override
public String getIconCssClass() {
return "o_filetype_file";
}
@Override
public boolean acceptMimeType(String mimeType) {
return StringHelper.containsNonWhitespace(mimeType)
&& !ImageHandler.mimeTypes.contains(mimeType)
&& !VideoHandler.mimeTypes.contains(mimeType);
}
@Override
public String getIconCssClass(MediaLight media) {
String filename = media.getRootFilename();
if (filename != null){
return CSSHelper.createFiletypeIconCssClassFor(filename);
}
return "o_filetype_file";
}
@Override
public VFSLeaf getThumbnail(MediaLight media, Size size) {
String storagePath = media.getStoragePath();
VFSLeaf thumbnail = null;
if(StringHelper.containsNonWhitespace(storagePath)) {
VFSContainer storageContainer = fileStorage.getMediaContainer(media);
VFSItem item = storageContainer.resolve(media.getRootFilename());
if(item instanceof VFSLeaf) {
VFSLeaf leaf = (VFSLeaf)item;
if(leaf instanceof MetaTagged) {
MetaInfo metaInfo = ((MetaTagged)leaf).getMetaInfo();
thumbnail = metaInfo.getThumbnail(size.getHeight(), size.getWidth(), true);
}
}
}
return thumbnail;
}
public VFSItem getItem(Media media) {
VFSContainer storageContainer = fileStorage.getMediaContainer(media);
return storageContainer.resolve(media.getRootFilename());
}
@Override
public MediaInformations getInformations(Object mediaObject) {
String title = null;
String description = null;
if (mediaObject instanceof MetaTagged) {
MetaInfo meta = ((MetaTagged)mediaObject).getMetaInfo();
title = meta.getTitle();
description = meta.getComment();
}
return new Informations(title, description);
}
@Override
public Media createMedia(String title, String description, Object mediaObject, String businessPath, Identity author) {
UploadMedia mObject = (UploadMedia)mediaObject;
return createMedia(title, description, mObject.getFile(), mObject.getFilename(), businessPath, author);
}
public Media createMedia(String title, String description, File file, String filename, String businessPath, Identity author) {
Media media = mediaDao.createMedia(title, description, filename, FILE_TYPE, businessPath, null, 60, author);
ThreadLocalUserActivityLogger.log(PortfolioLoggingAction.PORTFOLIO_MEDIA_ADDED, getClass(),
LoggingResourceable.wrap(media));
File mediaDir = fileStorage.generateMediaSubDirectory(media);
File mediaFile = new File(mediaDir, filename);
FileUtils.copyFileToFile(file, mediaFile, false);
String storagePath = fileStorage.getRelativePath(mediaDir);
mediaDao.updateStoragePath(media, storagePath, filename);
return media;
}
@Override
public Media createMedia(AbstractArtefact artefact) {
Media media = null;
if(artefact instanceof FileArtefact) {
VFSContainer artefactFolder = oldPortfolioManager.getArtefactContainer(artefact);
String filename = ((FileArtefact)artefact).getFilename();
String extension = FileUtils.getFileSuffix(filename);
String type = FILE_TYPE;
if("jpg".equalsIgnoreCase(extension) || "jpeg".equalsIgnoreCase(extension)
|| "png".equalsIgnoreCase(extension) || "gif".equalsIgnoreCase(extension)) {
type = ImageHandler.IMAGE_TYPE;
}
String businessPath = artefact.getBusinessPath();
if(businessPath == null) {
businessPath = "[PortfolioV2:0][MediaCenter:0]";
}
media = mediaDao.createMedia(artefact.getTitle(), artefact.getDescription(), filename, type,
businessPath, artefact.getKey().toString(), artefact.getSignature(), artefact.getAuthor());
ThreadLocalUserActivityLogger.log(PortfolioLoggingAction.PORTFOLIO_MEDIA_ADDED, getClass(),
LoggingResourceable.wrap(media));
File mediaDir = fileStorage.generateMediaSubDirectory(media);
String storagePath = fileStorage.getRelativePath(mediaDir);
mediaDao.updateStoragePath(media, storagePath, filename);
VFSContainer mediaContainer = fileStorage.getMediaContainer(media);
VFSManager.copyContent(artefactFolder, mediaContainer);
}
return media;
}
@Override
public Controller getMediaController(UserRequest ureq, WindowControl wControl, Media media) {
return new FileMediaController(ureq, wControl, media);
}
@Override
public Controller getEditMediaController(UserRequest ureq, WindowControl wControl, Media media) {
return new CollectFileMediaController(ureq, wControl, media);
}
@Override
public PageElementAddController getAddPageElementController(UserRequest ureq, WindowControl wControl) {
return new CollectFileMediaController(ureq, wControl);
}
}