controller.rb

#models/controller.rb
require 'observer'

class Controller
  include Observable

  attr_accessor :hotel

  def initialize(num_floors, num_of_mc, num_of_sc)
    @hotel = Hotel.new(num_floors, num_of_mc, num_of_sc, self)
  end

  def input
    loop do
      puts 'Enter any of the commands: MOTION, STATUS, EXIT, NOMOTION'
      command = gets.chomp.downcase
      if command.empty? || command == 'status' || command == 's'
        puts hotel.current_status
      elsif command == 'exit' || command == 'q!' || command == 'e'
        puts 'Thank you!!'
        break
      elsif command == 'motion' || command == 'm'
        print 'Enter floor number: '
        floor = gets.chomp.to_i
        print 'Enter Sub Corridor number: '
        sub_corridor = gets.chomp.to_i
        changed
        notify_observers(floor, sub_corridor, true)
      elsif command == 'nomotion' || command == 'n'
        print 'Enter floor number: '
        floor = gets.chomp.to_i
        print 'Enter Sub Corridor number: '
        sub_corridor = gets.chomp.to_i
        changed
        notify_observers(floor, sub_corridor, false)
      end
    end
  end
end