gistfile1.builder

require 'net/imap'
require 'rubygems'
require 'tmail'

class Net::IMAP
   def idle
     cmd = "IDLE"
     synchronize do
       tag = generate_tag
       put_string(tag + " " + cmd)
       put_string(CRLF)
     end
   end
   
   def done
     cmd = "DONE"
     synchronize do
       put_string(cmd)
       put_string(CRLF)
     end
   end
end

#Net::IMAP::debug = true

imap = Net::IMAP.new('imap.gmail.com', 993, true)
imap.login(username, password)
imap.select('INBOX')

newmail = false

imap.add_response_handler { |resp|
  if resp.kind_of?(Net::IMAP::UntaggedResponse) and resp.name == "EXISTS"
    newmail = true
  end
}

imap.idle
puts "Ready"

loop do
  if newmail
    since = (Date.today - 1).strftime("%d-%b-%Y")
    puts "Looking for new mail since #{since}"
    puts "DONE result is #{imap.done}"
    imap.search("UNSEEN SINCE #{since}").each do |message_id|
      msg = imap.fetch(message_id,'RFC822')[0].attr['RFC822']
      mail = TMail::Mail.parse(msg)
      puts mail.subject
      imap.store(message_id, "+FLAGS", [:Seen])
    end
    puts "IDLE result is #{imap.idle}"
    newmail = false
  else
    sleep 0.5
  end
end

#imap.logout()