Files
homebridge/platforms/Nest.js
Kraig McConaghy b5210f424f More fixes
2015-10-19 23:16:31 -05:00

324 lines
12 KiB
JavaScript

var types = require("HAP-NodeJS/accessories/types.js");
var nest = require('unofficial-nest-api');
var Service = require("hap-nodejs").Service;
var Characteristic = require("hap-nodejs").Characteristic;
var Accessory = require("hap-nodejs").Accessory;
var uuid = require("hap-nodejs").uuid;
var inherits = require('util').inherits;
function NestPlatform(log, config){
// auth info
this.username = config["username"];
this.password = config["password"];
this.log = log;
this.accessoryLookup = { };
}
NestPlatform.prototype = {
accessories: function(callback) {
this.log("Fetching Nest devices.");
var that = this;
var foundAccessories = [];
nest.login(this.username, this.password, function (err, data) {
if (err) {
that.log("There was a problem authenticating with Nest.");
}
else {
nest.fetchStatus(function (data) {
for (var deviceId in data.device) {
if (data.device.hasOwnProperty(deviceId)) {
var device = data.device[deviceId];
// it's a thermostat, adjust this to detect other accessories
if (data.shared[deviceId].hasOwnProperty('current_temperature'))
{
var initialData = data.shared[deviceId];
var name = initialData.name;
var accessory = new NestThermostatAccessory(that.log, name, device, deviceId, initialData);
that.accessoryLookup[deviceId] = accessory;
foundAccessories.push(accessory);
}
}
}
function subscribe() {
nest.subscribe(subscribeDone, ['shared']);
}
function subscribeDone(deviceId, data, type) {
// data if set, is also stored here: nest.lastStatus.shared[thermostatID]
if (deviceId && that.accessoryLookup[deviceId]) {
that.log('Update to Device: ' + deviceId + " type: " + type);
that.accessoryLookup[deviceId].updateData(data);
}
setTimeout(subscribe, 2000);
}
subscribe();
callback(foundAccessories)
});
}
});
}
}
function NestThermostatAccessory(log, name, device, deviceId, initialData) {
// device info
if (name) {
this.name = name;
} else {
this.name = "Nest";
}
this.model = device.model_version;
this.serial = device.serial_number;
this.deviceId = deviceId;
this.log = log;
Accessory.call(this, name, uuid.generate(deviceId));
this.getService(Service.AccessoryInformation)
.setCharacteristic(Characteristic.Manufacturer, "Nest")
.setCharacteristic(Characteristic.Model, this.model)
.setCharacteristic(Characteristic.SerialNumber, this.serial);
this.addService(Service.Thermostat, name);
this.getService(Service.Thermostat)
.setCharacteristic(Characteristic.TemperatureDisplayUnits, this.extractTemperatureUnits(device))
.on('get', this.getTemperatureUnits);
this.getService(Service.Thermostat)
.setCharacteristic(Characteristic.TargetTemperature, this.extractTargetTemperature(initialData))
.on('get', this.getTargetTemperature)
.on('set', this.setTargetTemperature);
this.getService(Service.Thermostat)
.setCharacteristic(Characteristic.TargetHeatingCoolingState, this.extractTargetHeatingCooling(initialData))
.on('get', this.getTargetHeatingCooling)
.on('set', this.setTargetHeatingCooling);
this.updateData(initialData);
}
inherits(NestThermostatAccessory, Accessory);
//NestThermostatAccessory.prototype.parent = Accessory.prototype;
Service.prototype.getCharacteristic = function(name) {
// returns a characteristic object from the service
// If Service.prototype.getCharacteristic(Characteristic.Type) does not find the characteristic,
// but the type is in optionalCharacteristics, it adds the characteristic.type to the service and returns it.
var index, characteristic;
for (index in this.characteristics) {
characteristic = this.characteristics[index];
if (typeof name === 'string' && characteristic.displayName === name) {
return characteristic;
}
else if (typeof name === 'function' && characteristic instanceof name) {
return characteristic;
}
}
if (typeof name === 'function') {
for (index in this.optionalCharacteristics) {
characteristic = this.optionalCharacteristics[index];
if (characteristic instanceof name) {
return this.addCharacteristic(name);
}
}
}
};
NestThermostatAccessory.prototype.getServices = function() {
return this.services;
};
NestThermostatAccessory.prototype.updateData = function(data) {
var thermostat = this.getService(Service.Thermostat);
thermostat.setCharacteristic(Characteristic.CurrentTemperature, this.extractCurrentTemperature(data));
thermostat.setCharacteristic(Characteristic.CurrentHeatingCoolingState, this.extractCurrentHeatingCooling(data));
thermostat.setCharacteristic(Characteristic.CurrentRelativeHumidity, this.extractCurrentRelativeHumidity(data));
};
NestThermostatAccessory.prototype.extractCurrentHeatingCooling = function(device){
var currentHeatingCooling = 0;
switch(device.target_temperature_type) {
case "OFF":
currentHeatingCooling = 0;
break;
case "HEAT":
currentHeatingCooling = 1;
break;
case "COOL":
currentHeatingCooling = 2;
break;
case "RANGE":
currentHeatingCooling = 3;
break;
default:
currentHeatingCooling = 0;
}
this.log("Current heating for " + this.name + "is: " + currentHeatingCooling);
return currentHeatingCooling;
};
NestThermostatAccessory.prototype.getCurrentHeatingCooling = function(callback){
var that = this;
this.log("Checking current heating cooling for: " + this.name);
nest.fetchStatus(function (data) {
var device = data.device[that.deviceId];
var currentHeatingCooling = that.extractCurrentHeatingCooling(device);
callback(currentHeatingCooling);
});
};
NestThermostatAccessory.prototype.extractTargetHeatingCooling = function(device){
var targetHeatingCooling = 0;
switch(device.target_temperature_type) {
case "off":
targetHeatingCooling = 0;
break;
case "heat":
targetHeatingCooling = 1;
break;
case "cool":
targetHeatingCooling = 2;
break;
case "range":
targetHeatingCooling = 3;
break;
default:
targetHeatingCooling = 0;
}
this.log("Current target heating for " + this.name + " is: " + targetHeatingCooling);
return targetHeatingCooling;
};
NestThermostatAccessory.prototype.getTargetHeatingCooling = function(callback){
var that = this;
this.log("Checking target heating cooling for: " + this.name);
nest.fetchStatus(function (data) {
var device = data.device[that.deviceId];
var targetHeatingCooling = that.extractTargetHeatingCooling(device);
callback(targetHeatingCooling);
});
};
NestThermostatAccessory.prototype.extractCurrentTemperature = function(device){
var curTemp = this.extractAsDisplayUnit(device.current_temperature, device);
this.log("Current temperature for " + this.name + " is: " + curTemp);
return curTemp;
};
NestThermostatAccessory.prototype.extractTargetTemperature = function(device){
var targetTemp;
if (device.target_temperature != undefined) {
targetTemp = device.target_temperature;
} else if (device.temperature_lock_high_temp != undefined) {
targetTemp = device.temperature_lock_high_temp;
} else {
return null;
}
targetTemp = this.extractAsDisplayUnit(targetTemp, device);
this.log("Target temperature for " + this.name + " is: " + targetTemp);
return targetTemp;
};
NestThermostatAccessory.prototype.getTargetTemperature = function(callback){
var that = this;
nest.fetchStatus(function (data) {
var device = data.shared[that.deviceId];
var targetTemp = this.extractTargetTemperature(device);
callback(targetTemp);
});
};
NestThermostatAccessory.prototype.extractTemperatureUnits = function(device) {
var temperatureUnits = 0;
switch(device.temperature_scale) {
case "F":
this.log("Tempature unit for " + this.name + " is: " + "Fahrenheit");
temperatureUnits = 1;
break;
case "C":
this.log("Tempature unit for " + this.name + " is: " + "Celsius");
temperatureUnits = 0;
break;
default:
temperatureUnits = 0;
}
return temperatureUnits;
};
NestThermostatAccessory.prototype.isFahrenheitUnit = function(unit) {
return unit == 1;
};
NestThermostatAccessory.prototype.convertToDisplayUnit = function(value, displayUnit) {
return this.isFahrenheitUnit(displayUnit) ? nest.ctof(value) : value;
};
NestThermostatAccessory.prototype.convertToValueUnit = function(value, displayUnit) {
return this.isFahrenheitUnit(displayUnit) ? nest.ftoc(value) : value;
};
NestThermostatAccessory.prototype.extractAsDisplayUnit = function(value, device) {
var tempUnit = this.extractTemperatureUnits(device);
return this.convertToDisplayUnit(value, tempUnit);
};
NestThermostatAccessory.prototype.extractAsValueUnit = function(value, device) {
return this.convertToValueUnit(value, this.extractTemperatureUnits(device));
};
NestThermostatAccessory.prototype.getTemperatureUnits = function(callback){
var that = this;
nest.fetchStatus(function (data) {
var device = data.device[that.deviceId];
var temperatureUnits = that.extractTemperatureUnits(device);
callback(temperatureUnits);
});
};
NestThermostatAccessory.prototype.extractCurrentRelativeHumidity = function(device) {
var humidity = device.current_humidity;
this.log("Humidity for " + this.name + " is: " + humidity);
return humidity;
};
NestThermostatAccessory.prototype.setTargetHeatingCooling = function(targetHeatingCooling, callback){
var targetTemperatureType = 'off';
switch(targetHeatingCooling) {
case 0:
targetTemperatureType = 'off';
break;
case 1:
targetTemperatureType = 'heat';
break;
case 2:
targetTemperatureType = 'cool';
break;
case 3:
targetTemperatureType = 'range';
break;
default:
targetTemperatureType = 'off';
}
this.log("Setting target heating cooling for " + this.name + " to: " + targetTemperatureType);
nest.setTargetTemperatureType(this.deviceId, targetTemperatureType);
if (callback) {
callback();
}
};
NestThermostatAccessory.prototype.setTargetTemperature = function(targetTemperature, callback){
this.log("Setting target temperature for " + this.name + " to: " + targetTemperature);
nest.setTemperature(this.deviceId, targetTemperature);
if (callback) {
callback();
}
};
module.exports.accessory = NestThermostatAccessory;
module.exports.platform = NestPlatform;