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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 java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import org.joda.time.DateTime;
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.Device;
import org.traccar.model.Group;
import org.traccar.model.Position;
import org.traccar.reports.model.DeviceReport;
import org.traccar.reports.model.TripReport;
public final class Trips {
private Trips() {
}
private static TripReport calculateTrip(
ArrayList<Position> positions, int startIndex, int endIndex, boolean ignoreOdometer) {
Position startTrip = positions.get(startIndex);
Position endTrip = positions.get(endIndex);
double speedMax = 0.0;
double speedSum = 0.0;
for (int i = startIndex; i <= endIndex; i++) {
double speed = positions.get(i).getSpeed();
speedSum += speed;
if (speed > speedMax) {
speedMax = speed;
}
}
TripReport trip = new TripReport();
long tripDuration = endTrip.getFixTime().getTime() - positions.get(startIndex).getFixTime().getTime();
long deviceId = startTrip.getDeviceId();
trip.setDeviceId(deviceId);
trip.setDeviceName(Context.getIdentityManager().getDeviceById(deviceId).getName());
trip.setStartPositionId(startTrip.getId());
trip.setStartLat(startTrip.getLatitude());
trip.setStartLon(startTrip.getLongitude());
trip.setStartTime(startTrip.getFixTime());
trip.setStartAddress(startTrip.getAddress());
trip.setEndPositionId(endTrip.getId());
trip.setEndLat(endTrip.getLatitude());
trip.setEndLon(endTrip.getLongitude());
trip.setEndTime(endTrip.getFixTime());
trip.setEndAddress(endTrip.getAddress());
trip.setDistance(ReportUtils.calculateDistance(startTrip, endTrip, !ignoreOdometer));
trip.setDuration(tripDuration);
trip.setAverageSpeed(speedSum / (endIndex - startIndex));
trip.setMaxSpeed(speedMax);
trip.setSpentFuel(ReportUtils.calculateFuel(startTrip, endTrip));
return trip;
}
protected static Collection<TripReport> detectTrips(
double speedThreshold, double minimalTripDistance,
long minimalTripDuration, long minimalParkingDuration, boolean greedyParking, boolean ignoreOdometer,
Collection<Position> positionCollection) {
Collection<TripReport> result = new ArrayList<>();
ArrayList<Position> positions = new ArrayList<>(positionCollection);
if (positions != null && !positions.isEmpty()) {
int previousStartParkingIndex = 0;
int startParkingIndex = -1;
int previousEndParkingIndex = 0;
int endParkingIndex = 0;
boolean isMoving = false;
boolean isLast = false;
boolean skipped = false;
boolean tripFiltered = false;
for (int i = 0; i < positions.size(); i++) {
isMoving = positions.get(i).getSpeed() > speedThreshold;
isLast = i == positions.size() - 1;
if ((isMoving || isLast) && startParkingIndex != -1) {
if (!skipped || previousEndParkingIndex == 0) {
previousEndParkingIndex = endParkingIndex;
}
endParkingIndex = i;
}
if (!isMoving && startParkingIndex == -1) {
if (greedyParking) {
long tripDuration = positions.get(i).getFixTime().getTime()
- positions.get(endParkingIndex).getFixTime().getTime();
double tripDistance = ReportUtils.calculateDistance(positions.get(endParkingIndex),
positions.get(i), false);
tripFiltered = tripDuration < minimalTripDuration && tripDistance < minimalTripDistance;
if (tripFiltered) {
startParkingIndex = previousStartParkingIndex;
endParkingIndex = previousEndParkingIndex;
tripFiltered = false;
} else {
previousStartParkingIndex = i;
startParkingIndex = i;
}
} else {
long tripDuration = positions.get(i).getFixTime().getTime()
- positions.get(previousEndParkingIndex).getFixTime().getTime();
double tripDistance = ReportUtils.calculateDistance(positions.get(previousEndParkingIndex),
positions.get(i), false);
tripFiltered = tripDuration < minimalTripDuration && tripDistance < minimalTripDistance;
startParkingIndex = i;
}
}
if (startParkingIndex != -1 && (endParkingIndex > startParkingIndex || isLast)) {
long parkingDuration = positions.get(endParkingIndex).getFixTime().getTime()
- positions.get(startParkingIndex).getFixTime().getTime();
if ((parkingDuration >= minimalParkingDuration || isLast)
&& previousEndParkingIndex < startParkingIndex) {
if (!tripFiltered) {
result.add(calculateTrip(
positions, previousEndParkingIndex, startParkingIndex, ignoreOdometer));
}
previousEndParkingIndex = endParkingIndex;
skipped = false;
} else {
skipped = true;
}
startParkingIndex = -1;
}
}
}
return result;
}
private static Collection<TripReport> detectTrips(long deviceId, Date from, Date to) throws SQLException {
double speedThreshold = Context.getConfig().getDouble("event.motion.speedThreshold", 0.01);
long minimalTripDuration = Context.getConfig().getLong("report.trip.minimalTripDuration", 300) * 1000;
double minimalTripDistance = Context.getConfig().getLong("report.trip.minimalTripDistance", 500);
long minimalParkingDuration = Context.getConfig().getLong("report.trip.minimalParkingDuration", 300) * 1000;
boolean greedyParking = Context.getConfig().getBoolean("report.trip.greedyParking");
boolean ignoreOdometer = Context.getDeviceManager()
.lookupAttributeBoolean(deviceId, "report.ignoreOdometer", false, true);
return detectTrips(
speedThreshold, minimalTripDistance, minimalTripDuration,
minimalParkingDuration, greedyParking, ignoreOdometer,
Context.getDataManager().getPositions(deviceId, from, to));
}
public static Collection<TripReport> getObjects(long userId, Collection<Long> deviceIds, Collection<Long> groupIds,
Date from, Date to) throws SQLException {
ArrayList<TripReport> result = new ArrayList<>();
for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
Context.getPermissionsManager().checkDevice(userId, deviceId);
result.addAll(detectTrips(deviceId, from, to));
}
return result;
}
public static void getExcel(OutputStream outputStream,
long userId, Collection<Long> deviceIds, Collection<Long> groupIds,
DateTime from, DateTime to) throws SQLException, IOException {
ArrayList<DeviceReport> devicesTrips = new ArrayList<>();
ArrayList<String> sheetNames = new ArrayList<>();
for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
Context.getPermissionsManager().checkDevice(userId, deviceId);
Collection<TripReport> trips = detectTrips(deviceId, from.toDate(), to.toDate());
DeviceReport deviceTrips = new DeviceReport();
Device device = Context.getIdentityManager().getDeviceById(deviceId);
deviceTrips.setDeviceName(device.getName());
sheetNames.add(deviceTrips.getDeviceName());
if (device.getGroupId() != 0) {
Group group = Context.getDeviceManager().getGroupById(device.getGroupId());
if (group != null) {
deviceTrips.setGroupName(group.getName());
}
}
deviceTrips.setObjects(trips);
devicesTrips.add(deviceTrips);
}
String templatePath = Context.getConfig().getString("report.templatesPath",
"templates/export/");
try (InputStream inputStream = new FileInputStream(templatePath + "/trips.xlsx")) {
org.jxls.common.Context jxlsContext = PoiTransformer.createInitialContext();
jxlsContext.putVar("devices", devicesTrips);
jxlsContext.putVar("sheetNames", sheetNames);
jxlsContext.putVar("from", from);
jxlsContext.putVar("to", to);
jxlsContext.putVar("distanceUnit", ReportUtils.getDistanceUnit(userId));
jxlsContext.putVar("speedUnit", ReportUtils.getSpeedUnit(userId));
jxlsContext.putVar("timezone", from.getZone());
Transformer transformer = TransformerFactory.createTransformer(inputStream, outputStream);
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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