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/*
* Copyright 2016 - 2020 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.Calendar;
import java.util.Collection;
import java.util.Date;
import org.jxls.util.JxlsHelper;
import org.traccar.Context;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
import org.traccar.reports.model.SummaryReport;
public final class Summary {
private Summary() {
}
private static SummaryReport calculateSummaryResult(long deviceId, Collection<Position> positions) {
SummaryReport result = new SummaryReport();
result.setDeviceId(deviceId);
result.setDeviceName(Context.getIdentityManager().getById(deviceId).getName());
if (positions != null && !positions.isEmpty()) {
Position firstPosition = null;
Position previousPosition = null;
for (Position position : positions) {
if (firstPosition == null) {
firstPosition = position;
}
previousPosition = position;
if (position.getSpeed() > result.getMaxSpeed()) {
result.setMaxSpeed(position.getSpeed());
}
}
boolean ignoreOdometer = Context.getDeviceManager()
.lookupAttributeBoolean(deviceId, "report.ignoreOdometer", false, false, true);
result.setDistance(ReportUtils.calculateDistance(firstPosition, previousPosition, !ignoreOdometer));
result.setSpentFuel(ReportUtils.calculateFuel(firstPosition, previousPosition));
long durationMilliseconds;
if (firstPosition.getAttributes().containsKey(Position.KEY_HOURS)
&& previousPosition.getAttributes().containsKey(Position.KEY_HOURS)) {
durationMilliseconds =
previousPosition.getLong(Position.KEY_HOURS) - firstPosition.getLong(Position.KEY_HOURS);
result.setEngineHours(durationMilliseconds);
} else {
durationMilliseconds =
previousPosition.getFixTime().getTime() - firstPosition.getFixTime().getTime();
}
if (durationMilliseconds > 0) {
result.setAverageSpeed(
UnitsConverter.knotsFromMps(result.getDistance() * 1000 / durationMilliseconds));
}
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));
}
result.setStartTime(firstPosition.getFixTime());
result.setEndTime(previousPosition.getFixTime());
}
return result;
}
private static int getDay(long userId, Date date) {
Calendar calendar = Calendar.getInstance(ReportUtils.getTimezone(userId));
calendar.setTime(date);
return calendar.get(Calendar.DAY_OF_MONTH);
}
private static Collection<SummaryReport> calculateSummaryResults(
long userId, long deviceId, Date from, Date to, boolean daily) throws SQLException {
ArrayList<Position> positions = new ArrayList<>(Context.getDataManager().getPositions(deviceId, from, to));
ArrayList<SummaryReport> results = new ArrayList<>();
if (daily && !positions.isEmpty()) {
int startIndex = 0;
int startDay = getDay(userId, positions.iterator().next().getFixTime());
for (int i = 0; i < positions.size(); i++) {
int currentDay = getDay(userId, positions.get(i).getFixTime());
if (currentDay != startDay) {
results.add(calculateSummaryResult(deviceId, positions.subList(startIndex, i)));
startIndex = i;
startDay = currentDay;
}
}
results.add(calculateSummaryResult(deviceId, positions.subList(startIndex, positions.size())));
} else {
results.add(calculateSummaryResult(deviceId, positions));
}
return results;
}
public static Collection<SummaryReport> getObjects(long userId, Collection<Long> deviceIds,
Collection<Long> groupIds, Date from, Date to, boolean daily) throws SQLException {
ReportUtils.checkPeriodLimit(from, to);
ArrayList<SummaryReport> result = new ArrayList<>();
for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) {
Context.getPermissionsManager().checkDevice(userId, deviceId);
result.addAll(calculateSummaryResults(userId, deviceId, from, to, daily));
}
return result;
}
public static void getExcel(OutputStream outputStream,
long userId, Collection<Long> deviceIds, Collection<Long> groupIds,
Date from, Date to, boolean daily) throws SQLException, IOException {
ReportUtils.checkPeriodLimit(from, to);
Collection<SummaryReport> summaries = getObjects(userId, deviceIds, groupIds, from, to, daily);
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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