[Facebooker-talk] FB Canvas Controller

[Mike Mangino]

On Sep 16, 2008, at 6:03 PM, William Thomas wrote:

> In facebook its
> callback url : http://localhost:3000/facebook_aware/
> canvas_page: http://apps.facebook.com/facebook_aware/
>
> I can try having the callback point to a domain on the internet easy  
> to do, I already have no-ip running @ home... hopefully that will be  
> my only problem.

Facebook will need to be able to talk to your local mongrel, so you'll  
need no-ip and a hole in your firewall

>
>
> Is it right that I use :conditions => {:canvas => true} for my  
> facebook_aware controller? The goal is to have that controller only  
> exist in a Facebook canvas so I can redirect a user to that  
> controller, and then have facebook take over asking them  
> permissions, etc so my website can do things like query friends and  
> post updates
>

You shouldn't even need to do that. Requiring facebook install should  
be enough.

Mike

> --- On Tue, 9/16/08, Mike Mangino <mmangino at elevatedrails.com> wrote:
> From: Mike Mangino <mmangino at elevatedrails.com>
> Subject: Re: [Facebooker-talk] FB Canvas Controller
> To: wthomas989 at yahoo.com
> Cc: facebooker-talk at rubyforge.org
> Date: Tuesday, September 16, 2008, 4:52 PM
>
> What is your canvaspath in Facebook? It can't use localhost because
> Facebook needs to be able to talk to your webserver. You'll need to
> open up access to your server. I created the Tunnlr service to make
> this easy (http://tunnlr.com)
>
> Check out http://www.pragprog.com/titles/mmfacer for my book on
> Facebook development. I know there is one By from peepcode as well.
>
> Mike
>
> On Sep 16, 2008, at 4:53 PM, William Thomas wrote:
>
> > I'm having a terrible time figuring this out. I think I am missing
> > something key to the entire workings of Facebooker. I've created a
> > sample application to test things out and am failing miserably.
> >
> > When I try to access a controller that
>  requires the app installed I
> > am sent to facebook allowed to authorize the app and then get the
> > message below. What I believe should happen is the facebook_aware/
> > index.fbml.erb file should be displayed.
> >
> > "
> > Error while loading page from facebookSandbox
> >
> > The URL http://localhost:3000/facebook_aware/?auth_token=[this is
> > really the auth token]&installed=1 is not valid.
> >
> > There are still a few kinks Facebook and the makers of
> > facebookSandbox are trying to iron out. We appreciate your patience
> > as we try to fix these issues. Your problem has been logged - if it
> > persists, please come back in a few days. Thanks!
> > "
> >
> > here are what I believe are the relavent pieces of my app
> >
> > routes.rb:
> > map.connect 'facebook_aware',:controller =>
> > "facebook_aware", :conditions => {:canvas =>
>  true}
> >
> > development:
> >   canvas_page_name: facebook_aware
> >   callback_url: http://localhost:3000/facebook_aware/
> >
> > facebook_aware_controller.rb:
> > class FacebookAwareController < ApplicationController
> >
> >   before_filter :ensure_application_is_installed_by_facebook_user
> >   before_filter :ensure_authenticated_to_facebook
> >   before_filter :ensure_has_status_update, :only =>
> > [:add_status_update]
> >
> >   def add_status_update
> >     redirect_to :action => 'done'
> >   end
> >
> > end
> >
> > (map.root) index.html.erb:
> > This is where I ask the user to "add" the facebook component
> > <%= link_to "Use Facebook" , {:controller =>
> > "facebook_aware",:action => "index" } %>
> >
>
> --
> Mike Mangino
> http://www.elevatedrails.com
>
>
>
>

--
Mike Mangino
http://www.elevatedrails.com