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/*
* Copyright 2016 Anton Tananaev (anton@traccar.org)
* Copyright 2016 Andrey Kunitsyn (andrey@traccar.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.traccar.reports;
import org.apache.velocity.tools.generic.DateTool;
import org.apache.velocity.tools.generic.NumberTool;
import org.jxls.area.Area;
import org.jxls.builder.xls.XlsCommentAreaBuilder;
import org.jxls.common.CellRef;
import org.jxls.formula.StandardFormulaProcessor;
import org.jxls.transform.Transformer;
import org.jxls.transform.poi.PoiTransformer;
import org.jxls.util.TransformerFactory;
import org.traccar.Context;
import org.traccar.model.Position;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.TimeZone;
public final class ReportUtils {
private ReportUtils() {
}
public static String getDistanceUnit(long userId) {
return (String) Context.getPermissionsManager().lookupPreference(userId, "distanceUnit", "km");
}
public static String getSpeedUnit(long userId) {
return (String) Context.getPermissionsManager().lookupPreference(userId, "speedUnit", "kn");
}
public static TimeZone getTimezone(long userId) {
String timezone = (String) Context.getPermissionsManager().lookupPreference(userId, "timezone", null);
return timezone != null ? TimeZone.getTimeZone(timezone) : TimeZone.getDefault();
}
public static Collection<Long> getDeviceList(Collection<Long> deviceIds, Collection<Long> groupIds) {
Collection<Long> result = new ArrayList<>();
result.addAll(deviceIds);
for (long groupId : groupIds) {
result.addAll(Context.getPermissionsManager().getGroupDevices(groupId));
}
return result;
}
public static double calculateDistance(Position firstPosition, Position lastPosition) {
return calculateDistance(firstPosition, lastPosition, true);
}
public static double calculateDistance(Position firstPosition, Position lastPosition, boolean useOdometer) {
double distance = 0.0;
double firstOdometer = firstPosition.getDouble(Position.KEY_ODOMETER);
double lastOdometer = lastPosition.getDouble(Position.KEY_ODOMETER);
if (useOdometer && (firstOdometer != 0.0 || lastOdometer != 0.0)) {
distance = lastOdometer - firstOdometer;
} else if (firstPosition.getAttributes().containsKey(Position.KEY_TOTAL_DISTANCE)
&& lastPosition.getAttributes().containsKey(Position.KEY_TOTAL_DISTANCE)) {
distance = lastPosition.getDouble(Position.KEY_TOTAL_DISTANCE)
- firstPosition.getDouble(Position.KEY_TOTAL_DISTANCE);
}
return distance;
}
public static String calculateFuel(Position firstPosition, Position lastPosition) {
if (firstPosition.getAttributes().get(Position.KEY_FUEL_LEVEL) != null
&& lastPosition.getAttributes().get(Position.KEY_FUEL_LEVEL) != null) {
BigDecimal value = new BigDecimal(firstPosition.getDouble(Position.KEY_FUEL_LEVEL)
- lastPosition.getDouble(Position.KEY_FUEL_LEVEL));
return value.setScale(1, RoundingMode.HALF_EVEN).toString();
}
return null;
}
public static org.jxls.common.Context initializeContext(long userId) {
org.jxls.common.Context jxlsContext = PoiTransformer.createInitialContext();
jxlsContext.putVar("distanceUnit", getDistanceUnit(userId));
jxlsContext.putVar("speedUnit", getSpeedUnit(userId));
jxlsContext.putVar("webUrl", Context.getVelocityEngine().getProperty("web.url"));
jxlsContext.putVar("dateTool", new DateTool());
jxlsContext.putVar("numberTool", new NumberTool());
jxlsContext.putVar("timezone", getTimezone(userId));
jxlsContext.putVar("locale", Locale.getDefault());
jxlsContext.putVar("bracketsRegex", "[\\{\\}\"]");
return jxlsContext;
}
public static void processTemplateWithSheets(InputStream templateStream, OutputStream targetStream,
org.jxls.common.Context jxlsContext) throws IOException {
Transformer transformer = TransformerFactory.createTransformer(templateStream, targetStream);
List<Area> xlsAreas = new XlsCommentAreaBuilder(transformer).build();
for (Area xlsArea : xlsAreas) {
xlsArea.applyAt(new CellRef(xlsArea.getStartCellRef().getCellName()), jxlsContext);
xlsArea.setFormulaProcessor(new StandardFormulaProcessor());
xlsArea.processFormulas();
}
transformer.deleteSheet(xlsAreas.get(0).getStartCellRef().getSheetName());
transformer.write();
}
}
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