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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.Position;
import org.traccar.session.cache.CacheManager;
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;
}
}
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