index.js

var Service, Characteristic, HomebridgeAPI;

module.exports = function(homebridge) {
	Service = homebridge.hap.Service;
	Characteristic = homebridge.hap.Characteristic;
	HomebridgeAPI = homebridge;
	homebridge.registerAccessory('homebridge-dummy-garage', 'DummyGarage', DummyGarage);
}

class DummyGarage {
	constructor (log, config) {

		//get config values
		this.name = config['name'] || "Dummy Garage";
		this.autoCloseDelay = config["autoCloseDelay"] === undefined ? 0 : Number(config["autoCloseDelay"]);
		
		//persist storage
		this.cacheDirectory = HomebridgeAPI.user.persistPath();
		this.storage = require('node-persist');
		this.storage.initSync({dir:this.cacheDirectory, forgiveParseErrors: true});
		this.cachedState = this.storage.getItemSync(this.name);

		//initial setup
		this.log = log;
		this.lastOpened = new Date();
		this.service = new Service.GarageDoorOpener(this.name, this.name);
		this.setupGarageDoorOpenerService(this.service);
		
		this.informationService = new Service.AccessoryInformation();
		this.informationService
			.setCharacteristic(Characteristic.Manufacturer, 'github/rasod')
			.setCharacteristic(Characteristic.Model, 'Dummy Garage')
			.setCharacteristic(Characteristic.FirmwareRevision, '1.2.2')
			.setCharacteristic(Characteristic.SerialNumber, this.name.replace(/\s/g, '').toUpperCase());
}

getServices () {
	return [this.informationService, this.service];
}

setupGarageDoorOpenerService (service) {
	this.log.debug("setupGarageDoorOpenerService");
	this.log.debug("Cached State: " + this.cachedState);
	
	if((this.cachedState === undefined) || (this.cachedState === true)) {
		this.log.debug("Using Saved OPEN State");
		this.service.setCharacteristic(Characteristic.CurrentDoorState, Characteristic.CurrentDoorState.OPEN);
	} else {
		this.log.debug("Using Default CLOSED State");
		this.service.setCharacteristic(Characteristic.TargetDoorState, Characteristic.TargetDoorState.CLOSED);
		this.service.setCharacteristic(Characteristic.CurrentDoorState, Characteristic.CurrentDoorState.CLOSED);
	}

	service.getCharacteristic(Characteristic.TargetDoorState)
		.on('get', (callback) => {
			var targetDoorState = service.getCharacteristic(Characteristic.TargetDoorState).value;
			callback(null, targetDoorState);
		})
		.on('set', (value, callback) => {
			if (value === Characteristic.TargetDoorState.OPEN) {
				this.log("Opening: " + this.name)
				this.lastOpened = new Date();
				this.service.setCharacteristic(Characteristic.CurrentDoorState, Characteristic.CurrentDoorState.OPEN);
				this.storage.setItem(this.name, true);
				this.log.debug("autoCloseDelay = " + this.autoCloseDelay);
				if (this.autoCloseDelay > 0) {
					this.log("Closing in " + this.autoCloseDelay + " seconds.");
					setTimeout(() => {
						this.log("Auto Closing");
						this.service.setCharacteristic(Characteristic.TargetDoorState, Characteristic.TargetDoorState.CLOSED);
						this.service.setCharacteristic(Characteristic.CurrentDoorState, Characteristic.CurrentDoorState.CLOSED);
						this.storage.setItem(this.name, false);
					}, this.autoCloseDelay * 1000);
				}
				
				callback();
				
			} else if (value === Characteristic.TargetDoorState.CLOSED)  {
				this.log("Closing: " + this.name)
				this.service.setCharacteristic(Characteristic.CurrentDoorState, Characteristic.CurrentDoorState.CLOSED);
				this.storage.setItem(this.name, false);
				callback();
			} else {
				callback();
			}
		});
	}
}