/* * 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.traccar.Context; import org.traccar.helper.Log; import org.traccar.model.Position; import java.math.BigDecimal; import java.math.RoundingMode; import java.util.ArrayList; import java.util.Collection; public final class ReportUtils { private ReportUtils() { } public static String getDistanceUnit(long userId) { String unit = Context.getPermissionsManager().getUser(userId).getDistanceUnit(); if (unit == null) { unit = Context.getPermissionsManager().getServer().getDistanceUnit(); } return unit != null ? unit : "km"; } public static String getSpeedUnit(long userId) { String unit = Context.getPermissionsManager().getUser(userId).getSpeedUnit(); if (unit == null) { unit = Context.getPermissionsManager().getServer().getSpeedUnit(); } return unit != null ? unit : "kn"; } 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 = 0.0; double lastOdometer = 0.0; firstOdometer = firstPosition.getDouble(Position.KEY_ODOMETER); 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) != null && lastPosition.getAttributes().get(Position.KEY_FUEL) != null) { try { switch (firstPosition.getProtocol()) { case "meitrack": case "galileo": case "noran": BigDecimal v = new BigDecimal(firstPosition.getAttributes().get(Position.KEY_FUEL).toString()); v = v.subtract(new BigDecimal(lastPosition.getAttributes().get(Position.KEY_FUEL).toString())); return v.setScale(2, RoundingMode.HALF_EVEN).toString() + " %"; default: break; } } catch (Exception error) { Log.warning(error); } } return "-"; } }