From 75647118260d712c0d260050c548026b684b78c4 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 13 Jul 2021 20:58:13 -0700
Subject: Decode properties report

---
 .../org/traccar/protocol/StbProtocolDecoder.java   | 57 +++++++++++++++++++---
 1 file changed, 50 insertions(+), 7 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/org/traccar/protocol/StbProtocolDecoder.java b/src/main/java/org/traccar/protocol/StbProtocolDecoder.java
index 0e4f030cf..4f55bf799 100644
--- a/src/main/java/org/traccar/protocol/StbProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/StbProtocolDecoder.java
@@ -16,14 +16,18 @@
 package org.traccar.protocol;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.core.JsonProcessingException;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.Context;
+import org.traccar.DeviceSession;
 import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
+import org.traccar.model.Position;
 
 import javax.json.Json;
 import javax.json.JsonObject;
+import javax.json.JsonValue;
 import java.io.StringReader;
 import java.net.SocketAddress;
 
@@ -33,6 +37,10 @@ public class StbProtocolDecoder extends BaseProtocolDecoder {
         super(protocol);
     }
 
+    public static final int MSG_LOGIN = 110;
+    public static final int MSG_PROPERTY = 310;
+    public static final int MSG_ALARM = 410;
+
     public static class Response {
         @JsonProperty("msgType")
         private int type;
@@ -44,21 +52,56 @@ public class StbProtocolDecoder extends BaseProtocolDecoder {
         private String transaction;
     }
 
-    @Override
-    protected Object decode(
-            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
-
-        JsonObject root = Json.createReader(new StringReader((String) msg)).readObject();
+    private void sendResponse(
+            Channel channel, SocketAddress remoteAddress, int type, String deviceId, JsonObject root)
+            throws JsonProcessingException {
 
         Response response = new Response();
-        response.type = root.getInt("msgType") + 1;
-        response.deviceId = root.getString("devId");
+        response.type = type + 1;
+        response.deviceId = deviceId;
         response.result = 1;
         response.transaction = root.getString("txnNo");
         if (channel != null) {
             channel.writeAndFlush(new NetworkMessage(
                     Context.getObjectMapper().writeValueAsString(response), remoteAddress));
         }
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        JsonObject root = Json.createReader(new StringReader((String) msg)).readObject();
+        int type = root.getInt("msgType");
+        String deviceId = root.getString("devId");
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        sendResponse(channel, remoteAddress, type, deviceId, root);
+
+        if (type == MSG_PROPERTY || type == MSG_ALARM) {
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            getLastLocation(position, null);
+
+            if (type == MSG_PROPERTY) {
+                for (JsonValue property : root.getJsonArray("attrList")) {
+                    JsonObject propertyObject = property.asJsonObject();
+                    String key = "id" + propertyObject.getString("id");
+                    if (propertyObject.containsKey("doorId")) {
+                        key += "Door" + propertyObject.getString("doorId");
+                    }
+                    position.set(key, propertyObject.getString("value"));
+                }
+            }
+
+            return position;
+        }
 
         return null;
     }
-- 
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