Simple YouTube subscriber and view count script for MacBook Pro Touch Bar (see https://www.youtube.com/watch?v=gsRTtO-8ofM)

youtube.rb

#!/usr/bin/env ruby

# See https://www.youtube.com/watch?v=gsRTtO-8ofM for details on how to use this

require 'net/http'
require 'json'

CHANNEL_ID = '<CHANNEL_ID_HERE>'
API_KEY = '<YOUTUBE_API_KEY_HERE>'
YOUTUBE_URL = "https://www.googleapis.com/youtube/v3/channels?part=statistics&id=#{CHANNEL_ID}&key=#{API_KEY}"

def add_commas(number)
  number.to_s.reverse.scan(/\d{3}|.+/).join(',').reverse
end

def get_stats
  response = Net::HTTP.get(URI(YOUTUBE_URL))
  data = JSON.parse(response)

  {
    subscriber_count: add_commas(data['items'][0]['statistics']['subscriberCount']),
    view_count: add_commas(data['items'][0]['statistics']['viewCount'])
  }
end

stats = get_stats
puts "#{stats[:subscriber_count]} subs"
puts "#{stats[:view_count]} views"

can I use this in extention?