Implement enable/disable bluetooth of device (#754)

Signed-off-by: Jussi Vatjus-Anttila <jussiva@gmail.com>

res/app/control-panes/automation/device-settings/device-settings-controller.js

@@ -1,5 +1,7 @@
 module.exports = function DeviceSettingsCtrl($scope, $timeout) {
   $scope.wifiEnabled = true
+  $scope.bluetoothEnabled = true
+  $scope.bluetoothPending = false
 
   function getWifiStatus() {
     if ($scope.control) {
@@ -19,6 +21,35 @@ module.exports = function DeviceSettingsCtrl($scope, $timeout) {
     }
   }
 
+  function getBluetoothStatus() {
+    if ($scope.control) {
+      $scope.bluetoothPending = true
+      $scope.control.getBluetoothStatus()
+        .then(function(result) {
+          $scope.$apply(function() {
+            $scope.bluetoothEnabled = (result.lastData === 'bluetooth_enabled')
+          })
+      })
+      .finally(function() {
+        $scope.bluetoothPending = false
+      })
+    }
+  }
+  getBluetoothStatus()
+
+  $scope.toggleBluetooth = function(enable) {
+    if ($scope.control) {
+      $scope.bluetoothPending = true
+      $scope.control.setBluetoothEnabled(enable)
+        .then(function() {
+          $scope.bluetoothEnabled = enable
+        })
+        .finally(function() {
+          $scope.bluetoothPending = false
+        })
+    }
+  }
+
   $scope.$watch('ringerMode', function(newValue, oldValue) {
     if (oldValue) {
       if ($scope.control) {