/*
 * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
 *
 * 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;

import org.traccar.helper.DistanceCalculator;
import org.traccar.model.Position;

public class CoordinatesHandler extends BaseDataHandler {

    private final int coordinatesMinError;
    private final int coordinatesMaxError;

    public CoordinatesHandler() {
        Config config = Context.getConfig();
        coordinatesMinError = config.getInteger("coordinates.minError");
        coordinatesMaxError = config.getInteger("coordinates.maxError");
    }

    private Position getLastPosition(long deviceId) {
        if (Context.getIdentityManager() != null) {
            return Context.getIdentityManager().getLastPosition(deviceId);
        }
        return null;
    }

    @Override
    protected Position handlePosition(Position position) {
        Position last = getLastPosition(position.getDeviceId());
        if (last != null && last.getValid() && last.getLatitude() != 0 && last.getLongitude() != 0) {
            double distance = DistanceCalculator.distance(
                    position.getLatitude(), position.getLongitude(), last.getLatitude(), last.getLongitude());
            boolean satisfiesMin = coordinatesMinError == 0 || distance > coordinatesMinError;
            boolean satisfiesMax = coordinatesMaxError == 0 || distance < coordinatesMaxError || position.getValid();
            if (!(satisfiesMin && satisfiesMax)) {
                position.setLatitude(last.getLatitude());
                position.setLongitude(last.getLongitude());
            }
        }
        return position;
    }

}

@@ -1959,17 +1959,16 @@
    if (!
-(
 satisfie
@@ -1972,19 +1972,20 @@
 fiesMin 
-&& 
+%7C%7C !
 satisfie
@@ -1989,17 +1989,16 @@
 fiesMax)
-)
  %7B%0A     

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