Machine checker

checker.rb

#!/usr/bin/ruby

loop do 
  Machine.all.each do |m|
    m.alive?
    puts "#{m.name} is #{m.mstatus}"
  end

  @home = Home.first
  @desktop = Machine.find(3)
  @server = Machine.find(2)
  @adam = Machine.find(1)
  @jill = Machine.find(4)

  current = Time.now

  if (@adam.mstatus == "down" && @jill.mstatus == "down") && 
    ((current - @adam.last_alive > 15.minutes) || (current - @jill.last_alive > 15.minutes))

    if @desktop.mstatus == "up"
      @desktop.sleep
    end
    
    if @server.mstatus == "up"
      @server.sleep
    end
  elsif (@adam.mstatus == "up" || @jill.mstatus == "up") && !@home.sleeping
    
    if @desktop.mstatus == "down"
      @desktop.wake
    end

    if @server.mstatus == "down"
      @server.wake
    end
  end

  @home.save

  sleep(10)
end