/* * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com) * Copyright 2016 Andrey Kunitsyn (abyss@fox5.ru) * * 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.sql.SQLException; import java.util.ArrayList; import java.util.Collection; import java.util.Date; import javax.json.Json; import javax.json.JsonArrayBuilder; import org.traccar.Context; import org.traccar.model.Position; import org.traccar.reports.model.TripReport; import org.traccar.web.CsvBuilder; import org.traccar.web.JsonConverter; public final class Trips { private Trips() { } private static TripReport calculateTrip(ArrayList<Position> positions, int startIndex, int endIndex) { 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); String deviceName = Context.getDeviceManager().getDeviceById(deviceId).getName(); trip.setDeviceName(deviceName); trip.setStartPositionId(startTrip.getId()); trip.setStartTime(startTrip.getFixTime()); trip.setStartAddress(startTrip.getAddress()); trip.setEndPositionId(endTrip.getId()); trip.setEndTime(endTrip.getFixTime()); trip.setEndAddress(endTrip.getAddress()); trip.setDistance(ReportUtils.calculateDistance(startTrip, endTrip)); trip.setDuration(tripDuration); trip.setAverageSpeed(speedSum / (endIndex - startIndex)); trip.setMaxSpeed(speedMax); trip.setSpentFuel(ReportUtils.calculateFuel(startTrip, endTrip)); return trip; } 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; Collection<TripReport> result = new ArrayList<>(); ArrayList<Position> positions = new ArrayList<>(Context.getDataManager().getPositions(deviceId, from, to)); 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) { 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; } } 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)); } previousEndParkingIndex = endParkingIndex; skipped = false; } else { skipped = true; } startParkingIndex = -1; } } } return result; } public static String getJson(long userId, Collection<Long> deviceIds, Collection<Long> groupIds, Date from, Date to) throws SQLException { JsonArrayBuilder json = Json.createArrayBuilder(); for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) { Context.getPermissionsManager().checkDevice(userId, deviceId); for (TripReport tripReport : detectTrips(deviceId, from, to)) { json.add(JsonConverter.objectToJson(tripReport)); } } return json.build().toString(); } public static String getCsv(long userId, Collection<Long> deviceIds, Collection<Long> groupIds, Date from, Date to) throws SQLException { CsvBuilder csv = new CsvBuilder(); csv.addHeaderLine(new TripReport()); for (long deviceId: ReportUtils.getDeviceList(deviceIds, groupIds)) { Context.getPermissionsManager().checkDevice(userId, deviceId); csv.addArray(detectTrips(deviceId, from, to)); } return csv.build(); } }