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/*
* Copyright 2022 Anton Tananaev (anton@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.helper.model;
import org.traccar.model.BaseModel;
import org.traccar.model.Device;
import org.traccar.model.Position;
import org.traccar.model.User;
import org.traccar.session.cache.CacheManager;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Order;
import org.traccar.storage.query.Request;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
public final class PositionUtil {
private PositionUtil() {
}
public static boolean isLatest(CacheManager cacheManager, Position position) {
Position lastPosition = cacheManager.getPosition(position.getDeviceId());
return lastPosition == null || position.getFixTime().compareTo(lastPosition.getFixTime()) >= 0;
}
public static double calculateDistance(Position first, Position last, boolean useOdometer) {
double distance;
double firstOdometer = first.getDouble(Position.KEY_ODOMETER);
double lastOdometer = last.getDouble(Position.KEY_ODOMETER);
if (useOdometer && firstOdometer != 0.0 && lastOdometer != 0.0) {
distance = lastOdometer - firstOdometer;
} else {
distance = last.getDouble(Position.KEY_TOTAL_DISTANCE) - first.getDouble(Position.KEY_TOTAL_DISTANCE);
}
return distance;
}
public static List<Position> getPositions(
Storage storage, long deviceId, Date from, Date to) throws StorageException {
return storage.getObjects(Position.class, new Request(
new Columns.All(),
new Condition.And(
new Condition.Equals("deviceId", "deviceId", deviceId),
new Condition.Between("fixTime", "from", from, "to", to)),
new Order("fixTime")));
}
public static List<Position> getLatestPositions(Storage storage, long userId) throws StorageException {
var devices = storage.getObjects(Device.class, new Request(
new Columns.Include("id"),
new Condition.Permission(User.class, userId, Device.class)));
var deviceIds = devices.stream().map(BaseModel::getId).collect(Collectors.toUnmodifiableSet());
var positions = storage.getObjects(Position.class, new Request(
new Columns.All(), new Condition.LatestPositions()));
return positions.stream()
.filter(position -> deviceIds.contains(position.getDeviceId()))
.collect(Collectors.toList());
}
}
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