HappyCoder

class AddLastCommentAtToTopic < ActiveRecord::Migration
  class Topic < ActiveRecord::Base
    has_many :posts
  end
  
  class Post < ActiveRecord::Base
  end
  
  def self.up
    ActiveRecord::Base.record_timestamps = false
    add_column :topics :last_comment_at, :datetime
    Topic.reset_column_information
    Topic.find(:all).each do |topic|
      topic = topic.posts.find(:first, :order => "last_comment_at DESC")
      if topic
        topic.last_comment_at  = post.last_comment_at
        topic.save
      end
    end
    ActiveRecord::Base.record_timestamps = true
  end

  def self.down
    remove_column :topics, :last_comment_at
  end
end

require "openssl"
require "net/smtp"

Net::SMTP.class_eval do
  private
  def do_start(helodomain, user, secret, authtype)
    raise IOError, 'SMTP session already started' if @started
    check_auth_args user, secret, authtype if user or secret

    sock = timeout(@open_timeout) { TCPSocket.open(@address, @port) }
    @socket = Net::InternetMessageIO.new(sock)
    @socket.read_timeout = 60 #@read_timeout
    #@socket.debug_output = STDERR #@debug_output

    check_response(critical { recv_response() })
    do_helo(helodomain)

    if starttls
      raise 'openssl library not installed' unless defined?(OpenSSL)
      ssl = OpenSSL::SSL::SSLSocket.new(sock)
      ssl.sync_close = true
      ssl.connect
      @socket = Net::InternetMessageIO.new(ssl)
      @socket.read_timeout = 60 #@read_timeout
      #@socket.debug_output = STDERR #@debug_output
      do_helo(helodomain)
    end

    authenticate user, secret, authtype if user
    @started = true
  ensure
    unless @started
      # authentication failed, cancel connection.
      @socket.close if not @started and @socket and not @socket.closed?
      @socket = nil
    end
  end

  def do_helo(helodomain)
     begin
      if @esmtp
        ehlo helodomain
      else
        helo helodomain
      end
    rescue Net::ProtocolError
      if @esmtp
        @esmtp = false
        @error_occured = false
        retry
      end
      raise
    end
  end

  def starttls
    getok('STARTTLS') rescue return false
    return true
  end

  def quit
    begin
      getok('QUIT')
    rescue EOFError, OpenSSL::SSL::SSLError
    end
  end
end

ActionMailer::Base.server_settings = {
  :address => "smtp.gmail.com",
  :port => 587,
  :domain => "mycompany.com",
  :authentication => :plain,
  :user_name => "username",
  :password => "password"
}