Check email using pop3 protocol.

email_pop3.rb

require 'net/pop'
include Helpers

class EmailPop
  attr_accessor :pop
  def initialize
  end
  def create
    self.pop = Net::POP3.new app['pop3.server'], app['pop3.port']
    self.pop.enable_ssl
    self.pop.start(app['pop3.username'], app['pop3.password'])
  end
  def destroy
    self.pop.finish
    self.pop = nil
  end
  def get_body_of_latest_email
    if self.pop.mails.empty?
      return nil
    else
      self.pop.each_mail do |email|
        message = email.pop
        email.delete
        return message
      end
    end
  end
  def check_mail
    check_mail_twenty_times = 0
    email_body = nil
    while check_mail_twenty_times <=20 do
      check_mail_twenty_times = check_mail_twenty_times + 1
      self.create
      email_body = get_body_of_latest_email
      self.destroy
      if email_body != nil
        return email_body
      end
      sleep(0.5)
    end
    return email_body
  end
  def mark_all_as_read
    self.create
    if not self.pop.mails.empty?
      self.pop.each_mail do |email|
        email.pop
      end
    end
    self.destroy
  end
end