[Facebooker-talk] Facebooker scaffolding errors

[Kate Dohe]

Hi everyone,

My development team is using facebooker to develop a simple  
questionnaire for distribution via facebook, as part of a research  
project we're involved with. In order to store survey responses for  
research purposes, we elected to scaffold survey_responses and then  
work from there. As part of our setup, we modified routes.rb as follows:

ActionController::Routing::Routes.draw do |map|
  map.resources :survey_responses, :conditions => {:canvas => true}
  # The priority is based upon order of creation: first created ->  
highest priority.
  .....
  map.root :controller => "survey_responses", :action => 'new'

Once we turned on the server and visited http://apps.facebook.com/stem_survey 
  two errors surfaced in facebook:

" urlexception unable to parse URL /http://apps.facebooker.com/stem_survey//survey_responses/new 
"

and a second error related to fb:editor.

Inside new.fmbl.erb:

<% facebook_form_for(@survey_response) do |f| %>

we changed to

<% facebook_form_for(:survey_response, at survey_response,:url => '/ 
stem_survey/survey_responses/create', :labelwidth => '75', :width =>  
'500') do |f| %>

Which seemed to correct the fb:editor problems, but still caused  
incorrect url parsing upon creation of a survey record. To resolve  
this, we changed the survey_responses_controller to:

  respond_to do |format|
      if @survey_response.save
        flash[:notice] = 'SurveyResponse was successfully created.'
        format.html { redirect_to(@survey_response) }
        format.fbml { redirect_to('http://apps.facebook.com/stem_survey/survey_responses/'+@survey_response.id.to_s) 
  }
        format.xml  { render :xml => @survey_response, :status  
=> :created, :location => @survey_response }

Is there a more elegant solution to using scaffolding in a facebooker- 
based application?

Thanks in advance,

=================

Kate Dohe
HNLC Staff

email: dohe at hawaii.edu
cell phone:  417.773.4876
office:  POST 309, University of Hawai'i at Manoa
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