1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/handler/events/DriverEventHandler.java b/src/main/java/org/traccar/handler/events/DriverEventHandler.java
new file mode 100644
index 000000000..994df93fa
--- /dev/null
+++ b/src/main/java/org/traccar/handler/events/DriverEventHandler.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2017 - 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.IdentityManager;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+@ChannelHandler.Sharable
+public class DriverEventHandler extends BaseEventHandler {
+
+    private final IdentityManager identityManager;
+
+    public DriverEventHandler(IdentityManager identityManager) {
+        this.identityManager = identityManager;
+    }
+
+    @Override
+    protected Map<Event, Position> analyzePosition(Position position) {
+        if (!identityManager.isLatestPosition(position)) {
+            return null;
+        }
+        String driverUniqueId = position.getString(Position.KEY_DRIVER_UNIQUE_ID);
+        if (driverUniqueId != null) {
+            String oldDriverUniqueId = null;
+            Position lastPosition = identityManager.getLastPosition(position.getDeviceId());
+            if (lastPosition != null) {
+                oldDriverUniqueId = lastPosition.getString(Position.KEY_DRIVER_UNIQUE_ID);
+            }
+            if (!driverUniqueId.equals(oldDriverUniqueId)) {
+                Event event = new Event(Event.TYPE_DRIVER_CHANGED, position.getDeviceId(), position.getId());
+                event.set(Position.KEY_DRIVER_UNIQUE_ID, driverUniqueId);
+                return Collections.singletonMap(event, position);
+            }
+        }
+        return null;
+    }
+
+}