Hi Folks, I'm writing a multistep form with the the help of Ryan Bates
http://railscasts.com/episodes/217-multistep-forms but I want change a little the form after the confirmation redirect to the notification page that appear to the user to communicate that the form just filled out I want that the user can't back with the 'Browser Back Button' at the confirmation page (the previous page) to explain better what I want for me: A = is the confirmation page B = is the notification page Thanks to Google I found this page http://blog.serendeputy.com/posts/how-to-prevent-browsers-from-caching-a-page-in-rails/ And to the application_controller.rb I put before_filter :set_cache_buster def set_cache_buster response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate" response.headers["Pragma"] = "no-cache" response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT" end so when the user is on B when click on the browser back button on Safari a dialog box appear *********************************************** Are you sure that you want send a form again? To reopen this page Safari must resend a form. This might result in duplicate purchases, comments, or other actions. {Cancel Button} / {Send Button} *********************************************** If the user click on the {Cancel Button} button stay in the page if click on {Send Button} appear an Rails error page *********************************************** NoMethodError in FormonlineController#create undefined method `deep_merge!' for nil:NilClass Rails.root: /var/www/myappname Application Trace | Framework Trace | Full Trace app/controllers/formonline_controller.rb:24:in `create' Request Parameters: {"utf8"=>"✓", "authenticity_token"=>"Q/p7DxoyeTO8A94qEeHBkvsaAFKIVwMBadHYTDipxDM=", "formonline"=>{"richiedente"=>"safas", "email"=>"[email protected]"}, "commit"=>"Continue"} ************************************************ on the 24 raw of form online ************************************************* 22. def create 24. session[:formonline_params].deep_merge!(params[:formonline]) if params[:formonline] 25. @formonline = Formonline.new(session[:formonline_params]) 26. @formonline.current_step = session[:formonline_step] 27. if @formonline.valid? 28 if params[:back_button] 29 ........ 35. .......... ************************************************* Instead in the MOZILLA FIREFOX in the page appear a message ************************************************* Document Expired This document is no longer available. The requested document is not available in Firefox's cache.As a security precaution, Firefox does not automatically re-request sensitive documents.Click Try Again to re-request the document from the website. {Try Again Button} ************************************************** After the user click ok {Try Again Button} receive the same error message on Safari with the Rails error page *********************************************** NoMethodError in FormonlineController#create undefined method `deep_merge!' for nil:NilClass Rails.root: /var/www/myappname Application Trace | Framework Trace | Full Trace app/controllers/formonline_controller.rb:24:in `create' Request Parameters: {"utf8"=>"✓", "authenticity_token"=>"Q/p7DxoyeTO8A94qEeHBkvsaAFKIVwMBadHYTDipxDM=", "formonline"=>{"richiedente"=>"safas", "email"=>"[email protected]"}, "commit"=>"Continue"} ************************************************ MY ISSUE Is possible that the User when click on the back button stay on the same page? I hope my issue is clear and thank you in advance Cluter -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
