diff options
Diffstat (limited to 'src/main/java/org/traccar/helper/model/PositionUtil.java')
-rw-r--r-- | src/main/java/org/traccar/helper/model/PositionUtil.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/model/PositionUtil.java b/src/main/java/org/traccar/helper/model/PositionUtil.java new file mode 100644 index 000000000..6c380b81a --- /dev/null +++ b/src/main/java/org/traccar/helper/model/PositionUtil.java @@ -0,0 +1,80 @@ +/* + * 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), + 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()); + } + +} |