1 files changed, 135 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/handler/events/MotionEventHandler.java b/src/main/java/org/traccar/handler/events/MotionEventHandler.java
new file mode 100644
index 000000000..9ec02ccfb
--- /dev/null
+++ b/src/main/java/org/traccar/handler/events/MotionEventHandler.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2016 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 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.handler.events;
+
+import java.util.Collections;
+import java.util.Map;
+
+import io.netty.channel.ChannelHandler;
+import org.traccar.database.DeviceManager;
+import org.traccar.database.IdentityManager;
+import org.traccar.model.Device;
+import org.traccar.model.DeviceState;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+import org.traccar.reports.ReportUtils;
+import org.traccar.reports.model.TripsConfig;
+
+@ChannelHandler.Sharable
+public class MotionEventHandler extends BaseEventHandler {
+
+    private final IdentityManager identityManager;
+    private final DeviceManager deviceManager;
+    private final TripsConfig tripsConfig;
+
+    public MotionEventHandler(IdentityManager identityManager, DeviceManager deviceManager, TripsConfig tripsConfig) {
+        this.identityManager = identityManager;
+        this.deviceManager = deviceManager;
+        this.tripsConfig = tripsConfig;
+    }
+
+    private Map<Event, Position> newEvent(DeviceState deviceState, boolean newMotion) {
+        String eventType = newMotion ? Event.TYPE_DEVICE_MOVING : Event.TYPE_DEVICE_STOPPED;
+        Position position = deviceState.getMotionPosition();
+        Event event = new Event(eventType, position.getDeviceId(), position.getId());
+        deviceState.setMotionState(newMotion);
+        deviceState.setMotionPosition(null);
+        return Collections.singletonMap(event, position);
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState) {
+        Map<Event, Position> result = null;
+        if (deviceState.getMotionState() != null && deviceState.getMotionPosition() != null) {
+            boolean newMotion = !deviceState.getMotionState();
+            Position motionPosition = deviceState.getMotionPosition();
+            long currentTime = System.currentTimeMillis();
+            long motionTime = motionPosition.getFixTime().getTime()
+                    + (newMotion ? tripsConfig.getMinimalTripDuration() : tripsConfig.getMinimalParkingDuration());
+            if (motionTime <= currentTime) {
+                result = newEvent(deviceState, newMotion);
+            }
+        }
+        return result;
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position) {
+        return updateMotionState(deviceState, position, position.getBoolean(Position.KEY_MOTION));
+    }
+
+    public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position, boolean newMotion) {
+        Map<Event, Position> result = null;
+        Boolean oldMotion = deviceState.getMotionState();
+
+        long currentTime = position.getFixTime().getTime();
+        if (newMotion != oldMotion) {
+            if (deviceState.getMotionPosition() == null) {
+                deviceState.setMotionPosition(position);
+            }
+        } else {
+            deviceState.setMotionPosition(null);
+        }
+
+        Position motionPosition = deviceState.getMotionPosition();
+        if (motionPosition != null) {
+            long motionTime = motionPosition.getFixTime().getTime();
+            double distance = ReportUtils.calculateDistance(motionPosition, position, false);
+            Boolean ignition = null;
+            if (tripsConfig.getUseIgnition()
+                    && position.getAttributes().containsKey(Position.KEY_IGNITION)) {
+                ignition = position.getBoolean(Position.KEY_IGNITION);
+            }
+            if (newMotion) {
+                if (motionTime + tripsConfig.getMinimalTripDuration() <= currentTime
+                        || distance >= tripsConfig.getMinimalTripDistance()) {
+                    result = newEvent(deviceState, newMotion);
+                }
+            } else {
+                if (motionTime + tripsConfig.getMinimalParkingDuration() <= currentTime
+                        || ignition != null && !ignition) {
+                    result = newEvent(deviceState, newMotion);
+                }
+            }
+        }
+        return result;
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+
+        long deviceId = position.getDeviceId();
+        Device device = identityManager.getById(deviceId);
+        if (device == null) {
+            return null;
+        }
+        if (!identityManager.isLatestPosition(position)
+                || !tripsConfig.getProcessInvalidPositions() && !position.getValid()) {
+            return null;
+        }
+
+        Map<Event, Position> result = null;
+        DeviceState deviceState = deviceManager.getDeviceState(deviceId);
+
+        if (deviceState.getMotionState() == null) {
+            deviceState.setMotionState(position.getBoolean(Position.KEY_MOTION));
+        } else {
+            result = updateMotionState(deviceState, position);
+        }
+        deviceManager.setDeviceState(deviceId, deviceState);
+        return result;
+    }
+
+}