/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.websocket.command;
import java.util.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.structr.common.PagingHelper;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.core.GraphObject;
import org.structr.core.app.Query;
import org.structr.core.app.StructrApp;
import org.structr.core.entity.AbstractNode;
import org.structr.core.property.PropertyKey;
import org.structr.schema.SchemaHelper;
import org.structr.web.entity.Image;
import org.structr.web.entity.relation.FileChildren;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.WebSocketMessage;
//~--- classes ----------------------------------------------------------------
/**
*
*
*/
public class ListFilesCommand extends AbstractCommand {
private static final Logger logger = LoggerFactory.getLogger(ListFilesCommand.class.getName());
static {
StructrWebSocket.addCommand(ListFilesCommand.class);
}
@Override
public void processMessage(final WebSocketMessage webSocketData) {
final SecurityContext securityContext = getWebSocket().getSecurityContext();
final String rawType = (String) webSocketData.getNodeData().get("type");
final Class type = SchemaHelper.getEntityClassForRawType(rawType);
final String sortOrder = webSocketData.getSortOrder();
final String sortKey = webSocketData.getSortKey();
final int pageSize = webSocketData.getPageSize();
final int page = webSocketData.getPage();
final PropertyKey sortProperty = StructrApp.getConfiguration().getPropertyKeyForJSONName(type, sortKey);
final Query query = StructrApp.getInstance(securityContext).nodeQuery(type).includeDeletedAndHidden().sort(sortProperty).order("desc".equals(sortOrder));
// for image lists, suppress thumbnails
if (type.equals(Image.class)) {
query.and(Image.isThumbnail, false);
}
try {
// do search
List<AbstractNode> filteredResults = new LinkedList();
List<? extends GraphObject> resultList = query.getAsList();
// add only root folders to the list
for (GraphObject obj : resultList) {
if (obj instanceof AbstractNode) {
AbstractNode node = (AbstractNode) obj;
if (!node.hasIncomingRelationships(FileChildren.class)) {
filteredResults.add(node);
}
}
}
// save raw result count
int resultCountBeforePaging = filteredResults.size();
// set full result list
webSocketData.setResult(PagingHelper.subList(filteredResults, pageSize, page, null));
webSocketData.setRawResultCount(resultCountBeforePaging);
// send only over local connection
getWebSocket().send(webSocketData, true);
} catch (FrameworkException fex) {
logger.warn("", fex);
}
}
//~--- get methods ----------------------------------------------------
@Override
public String getCommand() {
return "LIST_FILES";
}
}