Fibaro to API.ai bridge for Google Home integration

fibaroweb.rb

require 'yaml'
require 'pp'
require 'sinatra'
require 'open-uri'
require 'json'
enable :sessions


$config = YAML::load_file('./config.yaml')
configure do
	set :bind, $config[:bind_ip]
	set :port, $config[:bind_port]
end

$user = nil

helpers do
  def protected!
    return if authorized?
    headers['WWW-Authenticate'] = 'Basic realm="Restricted Area"'
    halt 401, "Not authorized\n"
  end

  def authorized?
    @auth ||=  Rack::Auth::Basic::Request.new(request.env)
    if(@auth.provided? and @auth.basic? and @auth.credentials)
    	c = @auth.credentials
    	pp c
    	$user = $config[:users][c[0]]
    	$user[:password] == c[1]
    end
  end
end


get '/' do
	pp params
	message = ""
	message = "#{params['message']}<br>" if params['message']
	'Nothing to see here. Move along.<br><hr> '+ message
end

#get '/api/v1/cmd' do
#	redirect '/', 301
#end

def fibaroRequest(requestURL)
	requestURL = "#{$config[:fibaro_api]}/#{requestURL}"
	puts requestURL
	open(requestURL, http_basic_authentication:  [$config[:fibaro_username],$config[:fibaro_password]]).read
end

def fibaroSceneControl (sceneID,action='start')
	requestURL = "sceneControl?id=#{sceneID}&action=#{action}"
	puts fibaroRequest(requestURL)
end

def fibaroDeviceAction (deviceID,name='turnOff',arg1)
	requestURL = "callAction?deviceID=#{deviceID}&name=#{name}&arg1=#{arg1}"
	puts fibaroRequest(requestURL)
end
def parsePercentage(percentageStr)
	if percentageStr.to_i.between?(1,100)
		percentage = percentageStr.to_i
		puts "probably is a percentage"
	else
		percentage = case percentageStr
			when 'partially' then 50
			when 'slightly' then 20
			when 'mostly' then 70
			when 'half way' then 50
			when 'halfway' then 50
			else 100
		end
		puts "phrase percentage"
	end
	#percentage = 100 if percentageStr === ''
	puts "Percentage is #{percentage.to_s}% (p str = #{percentageStr} to_i = #{percentageStr.to_i})."
	percentage
end
post '/api/v1/webhook' do
	protected!
	puts "webhook"
	payload = JSON.parse(request.body.read)
	pp payload
	if payload['result']
		if payload['result']['parameters']
			vars = payload['result']['parameters']
			pp vars
			case payload['result']['action']
			when 'curtains.control'
				percentage = parsePercentage(vars['percentage'])

				case vars['CurtainShutterState']
					when 'close'
						fibaroDeviceAction(1330,'setValue',(100 - percentage).to_s)
						speech = "Closing."
					when 'open'
						fibaroDeviceAction(1330,'setValue',percentage.to_s)
						speech = "Opening."
					else speech = "not clear what to do with the curtains."
				end

			when 'alarm.control'
				case vars['alarmState']
					when 'arm' then fibaroSceneControl(37)
					when 'disarm' then fibaroSceneControl(38)
					else speech = "Invalid alarmstate #{vars['alarmState']}."
				end
			when 'lights.control'
				status = case vars['onOrOff']
					when 'off' then 'turnOff'
					when 'on' then 'turnOn'
					else 'turnOn'
				end
				roomLights = $config[:rooms]
				pp roomLights
				deviceID = roomLights[vars['Rooms']]
				if deviceID.nil?
					if vars['Rooms'] == 'all'
						if status == 'turnOff'
							fibaroSceneControl(17)
							speech = "Let there be darkness."
						else speech = "Power bills too low? Why would you?"
						end
					else
						speech = "No known light for room #{vars['Rooms']}."
					end
				else
					if vars['percentage'].empty?
						fibaroDeviceAction(deviceID,status,nil)
					else
						percentage = parsePercentage(vars['percentage'])
						fibaroDeviceAction(deviceID,'setValue',percentage)
						fibaroDeviceAction(deviceID,'setVolume',percentage)
					end
					speech = "Turning #{vars['onOrOff']} lights in #{vars['Rooms']}"
				end
			else
				speech = "The action \"#{payload['result']['action']}\" is unfamiliar to me."
			end
			content_type :json
			json_response = { :speech => speech, :displayText => speech, :data => {}, :contextOut => [], :source => "FibaroWeb" }.to_json
			puts json_response
			json_response
		end
	end
end

get '/api/v1/device' do
	protected!
	pp params
	status = 'turnOff'
	status = 'turnOn' if params['onoroff'] == 'on'
	fibaroDeviceAction(params['deviceID'],status)
end

File.open('./config.yaml', 'w') {|f| f.write $config.to_yaml }