bumi / params_required

ParamsRequired
=============

params_required adds a before_filter which tests if certain params are set. Otherwise HTTP status 404 will be rendered. 


Example
=======

params_required( [array] required params, [hash] before_filter options)

class PostsController < ApplicationController

  # tests if params[:blog_id] and params[:user_id] are present
  params_required :blog_id, :user_id, :except => [:show]
  
  # tests if params[:user][:blog_id] is present
  params_required :user => :blog_id
  
end


Note
======

this is experimental and perhaps there are better ways to do something like this? 


Copyright (c) 2008 [Michael Bumann], released under the MIT license