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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 org.jxls.util.JxlsHelper;
import org.traccar.Context;
import org.traccar.model.Position;
import org.traccar.reports.model.SummaryReport;
public final class Summary {
private Summary() {
}
private static SummaryReport calculateSummaryResult(long deviceId, Date from, Date to) throws SQLException {
SummaryReport result = new SummaryReport();
result.setDeviceId(deviceId);
result.setDeviceName(Context.getIdentityManager().getById(deviceId).getName());
Collection<Position> positions = Context.getDataManager().getPositions(deviceId, from, to);
if (positions != null && !positions.isEmpty()) {
Position firstPosition = null;
Position previousPosition = null;
double speedSum = 0;
boolean engineHoursEnabled = Context.getConfig().getBoolean("processing.engineHours.enable");
for (Position position : positions) {
if (firstPosition == null) {
firstPosition = position;
}
if (engineHoursEnabled && previousPosition != null
&& position.getBoolean(Position.KEY_IGNITION)
&& previousPosition.getBoolean(Position.KEY_IGNITION)) {
// Temporary fallback for old data, to be removed in May 2019
result.addEngineHours(position.getFixTime().getTime()
- previousPosition.getFixTime().getTime());
}
previousPosition = position;
speedSum += position.getSpeed();
result.setMaxSpeed(position.getSpeed());
}
boolean ignoreOdometer = Context.getDeviceManager()
.lookupAttributeBoolean(deviceId, "report.ignoreOdometer", false, true);
result.setDistance(ReportUtils.calculateDistance(firstPosition, previousPosition, !ignoreOdometer));
result.setAverageSpeed(speedSum / positions.size());
result.setSpentFuel(ReportUtils.calculateFuel(firstPosition, previousPosition));
if (engineHoursEnabled
&& firstPosition.getAttributes().containsKey(Position.KEY_HOURS)
&& previousPosition.getAttributes().containsKey(Position.KEY_HOURS)) {
result.setEngineHours(
previousPosition.getLong(Position.KEY_HOURS) - firstPosition.getLong(Position.KEY_HOURS));
}
if (!ignoreOdometer
&& firstPosition.getDouble(Position.KEY_ODOMETER) != 0
&& previousPosition.getDouble(Position.KEY_ODOMETER) != 0) {
result.setStartOdometer(firstPosition.getDouble(Position.KEY_ODOMETER));
result.setEndOdometer(previousPosition.getDouble(Position.KEY_ODOMETER));
} else {
result.setStartOdometer(firstPosition.getDouble(Position.KEY_TOTAL_DISTANCE));
result.setEndOdometer(previousPosition.getDouble(Position.KEY_TOTAL_DISTANCE));
}
}
return result;
}
public static Collection<SummaryReport> getObjects(long userId, Collection<Long> deviceIds,
Collection<Long> groupIds, Date from, Date to) throws SQLException {
ReportUtils.checkPeriodLimit(from, to);
ArrayList<SummaryReport> result = new ArrayList<>();
for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
Context.getPermissionsManager().checkDevice(userId, deviceId);
result.add(calculateSummaryResult(deviceId, from, to));
}
return result;
}
public static void getExcel(OutputStream outputStream,
long userId, Collection<Long> deviceIds, Collection<Long> groupIds,
Date from, Date to) throws SQLException, IOException {
ReportUtils.checkPeriodLimit(from, to);
Collection<SummaryReport> summaries = getObjects(userId, deviceIds, groupIds, from, to);
String templatePath = Context.getConfig().getString("report.templatesPath",
"templates/export/");
try (InputStream inputStream = new FileInputStream(templatePath + "/summary.xlsx")) {
org.jxls.common.Context jxlsContext = ReportUtils.initializeContext(userId);
jxlsContext.putVar("summaries", summaries);
jxlsContext.putVar("from", from);
jxlsContext.putVar("to", to);
JxlsHelper.getInstance().setUseFastFormulaProcessor(false)
.processTemplate(inputStream, outputStream, jxlsContext);
}
}
}
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