Add sensor support

README.md

@@ -27,6 +27,7 @@ Here's a list of the devices that are currently exposed:
 * **Rollershutter** - exposed as a garage door
 * **Fan** - on/off/speed
 * **Input boolean** - on/off
+* **Temperature** - temperature from sensors and climate devices is exposed
 
 ### Scene Support
 
@@ -68,7 +69,7 @@ adding it to your `config.json`.
     "name": "HomeAssistant",
     "host": "http://192.168.1.16:8123",
     "password": "yourapipassword",
-    "supported_types": ["fan", "garage_door", "input_boolean", "light", "lock", "media_player", "rollershutter", "scene", "switch"]
+    "supported_types": ["climate", "fan", "garage_door", "input_boolean", "light", "lock", "media_player", "rollershutter", "scene", "sensor", "switch"]
   }
 ]
 ```

accessories/temperature.js

@@ -0,0 +1,75 @@
+var Service, Characteristic, communicationError;
+
+module.exports = function (oService, oCharacteristic, oCommunicationError) {
+  Service = oService;
+  Characteristic = oCharacteristic;
+  communicationError = oCommunicationError;
+
+  return HomeAssistantTemperature;
+};
+module.exports.HomeAssistantTemperature = HomeAssistantTemperature;
+
+function HomeAssistantTemperature(log, data, client) {
+  // device info
+  this.data = data
+  this.entity_id = data.entity_id
+  if (data.attributes && data.attributes.friendly_name) {
+    this.name = data.attributes.friendly_name
+  }else{
+    this.name = data.entity_id.split('.').pop().replace(/_/g, ' ')
+  }
+
+  this.entity_type = data.entity_id.split('.')[0]
+
+  this.client = client
+  this.log = log;
+}
+
+HomeAssistantTemperature.prototype = {
+  temperatureFromData: function(data) {
+    if (this.entity_type == 'sensor'){
+      value = parseFloat(data.state)
+    }else{
+      value = parseFloat(data.attributes.temperature)
+    }
+    // HomeKit only works with Celsius internally
+    if (data.attributes.unit_of_measurement == '\u00B0F') {
+      value = (value - 32) / 1.8
+    }
+    return value
+  },
+  onEvent: function(old_state, new_state) {
+    this.temperatureService.getCharacteristic(Characteristic.CurrentTemperature)
+      .setValue(this.temperatureFromData(new_state), null, 'internal')
+  },
+  identify: function(callback){
+    this.log("identifying: " + this.name);
+    callback();
+  },
+  getTemperature: function(callback){
+    this.log("fetching temperature for: " + this.name);
+    this.client.fetchState(this.entity_id, function(data){
+      if (data) {
+        callback(null, this.temperatureFromData(data))
+      }else{
+        callback(communicationError)
+      } 
+    }.bind(this))
+  },
+  getServices: function() {
+    this.temperatureService = new Service.TemperatureSensor();
+    var informationService = new Service.AccessoryInformation();
+
+    informationService
+      .setCharacteristic(Characteristic.Manufacturer, "Home Assistant")
+      .setCharacteristic(Characteristic.Model, "Thermometer")
+      .setCharacteristic(Characteristic.SerialNumber, "xxx");
+
+    this.temperatureService
+      .getCharacteristic(Characteristic.CurrentTemperature)
+      .on('get', this.getTemperature.bind(this))
+
+    return [informationService, this.temperatureService];
+  }
+
+}

index.js

@@ -12,6 +12,7 @@ var HomeAssistantGarageDoor;
 var HomeAssistantMediaPlayer;
 var HomeAssistantRollershutter;
 var HomeAssistantFan;
+var HomeAssistantTemperature;
 
 module.exports = function(homebridge) {
   console.log("homebridge API version: " + homebridge.version);
@@ -27,6 +28,7 @@ module.exports = function(homebridge) {
   HomeAssistantRollershutter = require('./accessories/rollershutter')(Service, Characteristic, communicationError);
   HomeAssistantMediaPlayer = require('./accessories/media_player')(Service, Characteristic, communicationError);
   HomeAssistantFan = require('./accessories/fan')(Service, Characteristic, communicationError);
+  HomeAssistantTemperature = require('./accessories/temperature')(Service, Characteristic, communicationError);
 
   homebridge.registerPlatform("homebridge-homeassistant", "HomeAssistant", HomeAssistantPlatform, false);
 }
@@ -186,6 +188,12 @@ HomeAssistantPlatform.prototype = {
           accessory = new HomeAssistantSwitch(that.log, entity, that, 'input_boolean')
         }else if (entity_type == 'fan'){
           accessory = new HomeAssistantFan(that.log, entity, that)
+        }else if (entity_type == 'sensor'){
+          if (entity.attributes && (entity.attributes.unit_of_measurement == '\u00B0C' || entity.attributes.unit_of_measurement == '\u00B0F') && entity.entity_id != 'sensor.vision_zp3111_multisensor_4in1_dew_point_5'){
+            accessory = new HomeAssistantTemperature(that.log, entity, that);
+          }
+        }else if (entity_type == 'climate'){
+          accessory = new HomeAssistantTemperature(that.log, entity, that);
         }
 
         if (accessory) {