[Ruby] Preserving State

[Eric Hodel]

On Dec 5, 2006, at 11:37 , Neil Moomey wrote:
> Does Rails have some cool feature for preserving state after the first
> post?  In the past I have used a mixture of hidden form fields, URL  
> get
> variables, and cookies to get the job done but I'm wondering if  
> Rails has
> something I'm missing?  My application needs to be able to remember  
> the
> values the user entered in a web form for the second, third, fouth  
> pages etc
> when he clicks the Next button.  I accomplished what I need by  
> reposting the
> variables in hidden fields with the same name.  It works great but  
> now I'm
> wondering if the smart people from Rails have a better way.

You're looking for session

   def my_action
     session[:value] = params[:value]
   end

You can store arbitrary objects in the Session.

http://api.rubyonrails.org/classes/ActionController/Base.html

-- 
Eric Hodel - drbrain at segment7.net - http://blog.segment7.net

I LIT YOUR GEM ON FIRE!