gistfile1.rb

class TestUsingBeforeFilter < Application
  before :captcha_every_time!,              :only => [:create,:destroy]
  before :captcha_once_per_30_seconds!,     :only => [:index], :unless => :is_admin?
  
  def index
    render
  end
  
  def create
    render "Awesome form here"
  end
  
  def destroy
    render "I am the destroyer"
  end
  
  protected
  def is_admin?
    !!(session[:is_admin])
  end
  
  def captcha_every_time!
    threshold()
  end
  
  def captcha_once_per_30_seconds!
    threshold :frequency => 1.per(30.seconds)
  end
end


class TestUsingClassMethod < Application
  threshold :create, :destroy
  threshold :index, :frequency => 1.per(30.seconds), :unless => :is_admin?
  
  protected
  def is_admin?
    !!(session[:is_admin])
  end
end