Pastie Support Pastie or read my Pastie << self blog

class UrlController < ApplicationController
  def create_url
   if request.post? and params[:redirect_to]
    @url = Url.new(:redirect_to => params[:redirect_to]
    render :text => @url.link_for(thing) if @url.save
   end
  end

  private

  def thing
    "#{request.protocol}#{request.host}#{request.port_string}"
  end
end

class Url < ActiveRecord::Base
  def before_create
    self.redirect_to = redirect_to.gsub!(/^http:\/\//, "")
    # plus n??
    self.url = String.random(Url.count.size)
  end

  def link_for(thing)
    "#{thing}/#{url}"
  end
end