# app/bot/facebook_bot.rb
require 'facebook/messenger'
include Facebook::Messenger

Bot.on :message do |message|
  response = ::Integrations::Facebook::MessageParser.new(message)
  ::Integrations::Facebook::MessageCreator.new(response).perform
end

Bot.on :delivery do |delivery|
  # delivery.ids       # => 'mid.1457764197618:41d102a3e1ae206a38'
  # delivery.sender    # => { 'id' => '1008372609250235' }
  # delivery.recipient # => { 'id' => '2015573629214912' }
  # delivery.at        # => 2016-04-22 21:30:36 +0200
  # delivery.seq       # => 37
  updater = Integrations::Facebook::DeliveryStatus.new(delivery)
  updater.perform
  puts "Human was online at #{delivery.at}"
end