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/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.dashboards;
import com.google.common.collect.Maps;
import com.mongodb.BasicDBObject;
import com.mongodb.DBObject;
import org.bson.types.ObjectId;
import org.graylog2.dashboards.widgets.DashboardWidget;
import org.graylog2.dashboards.widgets.DashboardWidgetCreator;
import org.graylog2.dashboards.widgets.InvalidWidgetConfigurationException;
import org.graylog2.database.MongoConnection;
import org.graylog2.database.NotFoundException;
import org.graylog2.database.PersistedServiceImpl;
import org.graylog2.plugin.database.ValidationException;
import org.graylog2.plugin.indexer.searches.timeranges.InvalidRangeParametersException;
import org.graylog2.rest.models.dashboards.requests.WidgetPositionsRequest;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class DashboardServiceImpl extends PersistedServiceImpl implements DashboardService {
private static final Logger LOG = LoggerFactory.getLogger(DashboardServiceImpl.class);
private final DashboardWidgetCreator dashboardWidgetCreator;
@Inject
public DashboardServiceImpl(MongoConnection mongoConnection,
DashboardWidgetCreator dashboardWidgetCreator) {
super(mongoConnection);
this.dashboardWidgetCreator = dashboardWidgetCreator;
}
@Override
public Dashboard create(String title, String description, String creatorUserId, DateTime createdAt) {
Map dashboardData = Maps.newHashMap();
dashboardData.put("title", title);
dashboardData.put("description", description);
dashboardData.put("creator_user_id", creatorUserId);
dashboardData.put("created_at", createdAt);
return new DashboardImpl(dashboardData);
}
private Dashboard create(ObjectId id, Map fields) {
final Dashboard dashboard = new DashboardImpl(id, fields);
// Add all widgets of this dashboard.
if (fields.containsKey(DashboardImpl.EMBEDDED_WIDGETS)) {
if (fields.get(DashboardImpl.EMBEDDED_WIDGETS) instanceof List) {
for (BasicDBObject widgetFields : (List) fields.get(DashboardImpl.EMBEDDED_WIDGETS)) {
try {
final DashboardWidget widget = dashboardWidgetCreator.fromPersisted(widgetFields);
dashboard.addPersistedWidget(widget);
} catch (DashboardWidget.NoSuchWidgetTypeException e) {
LOG.error("No such widget type: [" + widgetFields.get("type") + "] - Dashboard: [" + dashboard.getId() + "]", e);
} catch (InvalidRangeParametersException e) {
LOG.error("Invalid range parameters of widget in dashboard: [" + dashboard.getId() + "]", e);
} catch (InvalidWidgetConfigurationException e) {
LOG.error("Invalid configuration of widget in dashboard: [" + dashboard.getId() + "]", e);
}
}
}
}
return dashboard;
}
@Override
public Dashboard load(String id) throws NotFoundException {
final BasicDBObject o = (BasicDBObject) get(DashboardImpl.class, id);
if (o == null) {
throw new NotFoundException("Couldn't find dashboard with ID " + id);
}
final Dashboard dashboard = this.create((ObjectId) o.get("_id"), o.toMap());
return dashboard;
}
@Override
public List all() {
final List results = query(DashboardImpl.class, new BasicDBObject());
return (List)results.stream()
.map(o -> (Dashboard)new DashboardImpl((ObjectId) o.get("_id"), o.toMap()))
.collect(Collectors.toList());
}
@Override
public void updateWidgetPositions(Dashboard dashboard, WidgetPositionsRequest positions) throws ValidationException {
Map> map = Maps.newHashMap();
for (WidgetPositionsRequest.WidgetPosition position : positions.positions()) {
Map x = Maps.newHashMap();
x.put("col", position.col());
x.put("row", position.row());
x.put("height", position.height());
x.put("width", position.width());
map.put(position.id(), x);
}
dashboard.getFields().put(DashboardImpl.EMBEDDED_POSITIONS, map);
save(dashboard);
}
@Override
public void addWidget(Dashboard dashboard, DashboardWidget widget) throws ValidationException {
embed(dashboard, DashboardImpl.EMBEDDED_WIDGETS, widget);
dashboard.addWidget(widget);
}
@Override
public void removeWidget(Dashboard dashboard, DashboardWidget widget) {
removeEmbedded(dashboard, DashboardImpl.EMBEDDED_WIDGETS, widget.getId());
dashboard.removeWidget(widget);
}
@Deprecated
@Override
public void updateWidgetDescription(Dashboard dashboard, DashboardWidget widget, String newDescription) throws ValidationException {
// Updating objects in arrays is a bit flaky in MongoDB. Let'S go the simple and stupid way until weh ave a proper DBA layer.
widget.setDescription(newDescription);
removeWidget(dashboard, widget);
addWidget(dashboard, widget);
}
@Deprecated
@Override
public void updateWidgetCacheTime(Dashboard dashboard, DashboardWidget widget, int cacheTime) throws ValidationException {
// Updating objects in arrays is a bit flaky in MongoDB. Let'S go the simple and stupid way until weh ave a proper DBA layer.
widget.setCacheTime(cacheTime);
removeWidget(dashboard, widget);
addWidget(dashboard, widget);
}
@Override
public long count() {
return totalCount(DashboardImpl.class);
}
}
