Added support for the magic cube rotate event

Author: PeÄ?ta Ond??ej

README.md

@@ -1,7 +1,7 @@
 # org.openhab.binding.xiaomigateway
 
 This binding brings Xiaomi Gateway Smart Home devices (Aqara) integration with OpenHAB1.x
-Currently only one gateway is supported and only getting sub device state/reading events confirmed to be working. 
+Currently only one gateway is supported and only getting sub device state/reading events confirmed to be working including the magic cube. 
 Controlling of gateway light works too including color and brightness change within OpenHAB.
 Unfortunately I have no switch to test controlling its state using write command, but write key generation based on gateway token seems to be implemented OK.
 
@@ -32,7 +32,10 @@ The binding detects a Xiaomi gateway on local network and lists all sub devices.
 ```
 
 sid is a sub device identificator used in item configuration file.
-possible values are: magnet, temperature, humidity, virtual_switch (button simulates ON/OFF switch), click, long_click, double_click
+possible sensor values are: magnet, motion, temperature, humidity
+possible button values are: virtual_switch (button simulates ON/OFF switch), click, long_click, double_click
+possible switch values are: click, double_click, both_click
+possible cube values are: flip90, flip180, move, tap_twice, shake_air, swing, alert, free_fall, rotate_left, rotate_right (ON command is received when an event fired)  
 
 #openhab.cfg
 If you want to control devices please supply a developer key (you can see it in Mi Home app when you enable developer mode)

src/main/java/org/openhab/binding/xiaomigateway/internal/XiaomiGatewayBinding.java

@@ -308,7 +308,7 @@ private void processCubeEvent(String itemName, String type, JsonObject jobject)
         String event = getStatusEvent(jobject);
         boolean publish = false;
         if (isRotateCubeEvent(jobject)) {
-            event = "rotate";
+            event = isLeftRotate(jobject) ? "rotate_left" : "rotate_right";
         }
         logger.debug("XiaomiGateway: processing cube event " + event);
         switch (event) {
@@ -336,8 +336,11 @@ private void processCubeEvent(String itemName, String type, JsonObject jobject)
             case "free_fall":
                 publish = type.endsWith(".free_fall");
                 break;
-            case "rotate":
-                logger.info("rotate is not supported yet!");
+            case "rotate_left":
+                publish = type.endsWith(".rotate_left");
+                break;
+            case "rotate_right":
+                publish = type.endsWith(".rotate_right");
                 break;
             default:
                 logger.error("Unknown cube event: " + event);
@@ -347,6 +350,17 @@ private void processCubeEvent(String itemName, String type, JsonObject jobject)
             eventPublisher.sendCommand(itemName, OnOffType.ON);
     }
 
+    private boolean isLeftRotate(JsonObject jobject) {
+        try {
+            String data = jobject.get("data").getAsString();
+            JsonObject jo = parser.parse(data).getAsJsonObject();
+            return jobject.get("model").getAsString().equals("cube") && jo != null && jo.get("rotate") != null && jo.get("rotate").getAsString().startsWith("-");
+        } catch (Exception ex) {
+            logger.error(ex.toString());
+            return false;
+        }
+    }
+
     private boolean isRotateCubeEvent(JsonObject jobject) {
         try {
             String data = jobject.get("data").getAsString();
@@ -702,7 +716,6 @@ protected void internalReceiveCommand(String itemName, Command command) {
                 long color = rgb - (currentBrightness * 65536 * 256) + brightness.longValue() * 65536 * 256;
                 changeGatewayColor(color);
             }
-
             return;
         }