From d08857e6c87d41eba835f16035e2da9159de9e49 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 22 Nov 2016 06:28:00 +1300
Subject: Implement unknown status event

---
 src/org/traccar/api/resource/NotificationResource.java |  1 +
 src/org/traccar/database/ConnectionManager.java        | 16 ++++++++++++----
 src/org/traccar/database/NotificationManager.java      |  6 +++---
 src/org/traccar/model/Event.java                       |  1 +
 4 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/org/traccar/api/resource/NotificationResource.java b/src/org/traccar/api/resource/NotificationResource.java
index 9010babf2..c43cca122 100644
--- a/src/org/traccar/api/resource/NotificationResource.java
+++ b/src/org/traccar/api/resource/NotificationResource.java
@@ -56,4 +56,5 @@ public class NotificationResource extends BaseResource {
         Context.getNotificationManager().updateNotification(entity);
         return Response.ok(entity).build();
     }
+
 }
diff --git a/src/org/traccar/database/ConnectionManager.java b/src/org/traccar/database/ConnectionManager.java
index 216c90bc2..bc44c31ae 100644
--- a/src/org/traccar/database/ConnectionManager.java
+++ b/src/org/traccar/database/ConnectionManager.java
@@ -76,10 +76,19 @@ public class ConnectionManager {
         }
 
         if (enableStatusEvents && !status.equals(device.getStatus())) {
-            Event event = new Event(Event.TYPE_DEVICE_OFFLINE, deviceId);
-            if (status.equals(Device.STATUS_ONLINE)) {
-                event.setType(Event.TYPE_DEVICE_ONLINE);
+            String eventType;
+            switch (status) {
+                case Device.STATUS_ONLINE:
+                    eventType = Event.TYPE_DEVICE_ONLINE;
+                    break;
+                case Device.STATUS_UNKNOWN:
+                    eventType = Event.TYPE_DEVICE_UNKNOWN;
+                    break;
+                default:
+                    eventType = Event.TYPE_DEVICE_OFFLINE;
+                    break;
             }
+            Event event = new Event(eventType, deviceId);
             if (Context.getNotificationManager() != null) {
                 Context.getNotificationManager().updateEvent(event, null);
             }
@@ -91,7 +100,6 @@ public class ConnectionManager {
             timeout.cancel();
         }
 
-
         if (time != null) {
             device.setLastUpdate(time);
         }
diff --git a/src/org/traccar/database/NotificationManager.java b/src/org/traccar/database/NotificationManager.java
index 110f699b7..b82fca0f3 100644
--- a/src/org/traccar/database/NotificationManager.java
+++ b/src/org/traccar/database/NotificationManager.java
@@ -74,7 +74,6 @@ public class NotificationManager {
     }
 
     public void updateEvents(Collection<Event> events, Position position) {
-
         for (Event event : events) {
             updateEvent(event, position);
         }
@@ -159,6 +158,7 @@ public class NotificationManager {
                 }
             } else {
                 notification.setId(cachedNotification.getId());
+                notification.setId(cachedNotification.getId());
             }
         } else if (!notification.getAttributes().isEmpty()) {
             try {
@@ -176,9 +176,8 @@ public class NotificationManager {
     }
 
     public Set<Notification> getAllNotifications() {
-
         Set<Notification> notifications = new HashSet<>();
-        long id = 0;
+        long id = 1;
         Field[] fields = Event.class.getDeclaredFields();
         for (Field field : fields) {
             if (Modifier.isStatic(field.getModifiers()) && field.getName().startsWith("TYPE_")) {
@@ -194,4 +193,5 @@ public class NotificationManager {
         }
         return notifications;
     }
+
 }
diff --git a/src/org/traccar/model/Event.java b/src/org/traccar/model/Event.java
index cdb79f04d..3dc4778e1 100644
--- a/src/org/traccar/model/Event.java
+++ b/src/org/traccar/model/Event.java
@@ -40,6 +40,7 @@ public class Event extends Message {
     public static final String TYPE_COMMAND_RESULT = "commandResult";
 
     public static final String TYPE_DEVICE_ONLINE = "deviceOnline";
+    public static final String TYPE_DEVICE_UNKNOWN = "deviceUnknown";
     public static final String TYPE_DEVICE_OFFLINE = "deviceOffline";
 
     public static final String TYPE_DEVICE_MOVING = "deviceMoving";
-- 
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