Question re routes.rb, and issue with redirected URL coming

greg · September 17, 2006, 2:35am

Hi,

I seem to be getting a routing error due to a before filter I have puut
in
application.rb that assists with localization. The before_filter is
checking the locale and in this case is performing a redirect. The
parameters look ok just as the redirect request is set off in the
before_filter, BUT THEN the URL that comes back from the client is WRONG
with double entries (e.g. “/active_rbac/active_rbac/login/login”)

Any advice on how to fault find this?

Could this be the way rails determines what the URL should be for a
request. Does it back-calculate from routes.rb information? Perhaps
I’ve
got inconsistent data in my routes.rb file (e.g. more than one map with
same
number of parameters). I’ll copy my routes.rb below.

Tks
Greg

=============== HTML BROWSER ERROR

Routing Error
Recognition failed for “/active_rbac/active_rbac/login/login”

========= APPLICATION.RB, before_filter

before_filter :set_locale
def set_locale
puts “application.rb: params[:locale]=#{params[:locale]}”
default_locale = ‘en’
@locale = params[:locale] || session[:locale] || default_locale
session[:locale] = @locale
begin
Localization.lang = @locale
puts “application.rb - set locale to #{@locale}”
redirect_to params.merge( ‘locale’ => Localization.lang ) and
return
false if params[:locale].nil? <== REDIRECTS HERE
rescue
Localization.lang = default_locale
redirect_to params.merge( ‘locale’ => Localization.lang ) and
return
false
end
end

=============CONSOLE - puts

application.rb - params = actionlogincontrolleractive_rbac/login
application.rb - set locale to en
- params merged = actionlogincontrolleractive_rbac/loginlocaleen
- urlfor =
127.0.0.1 - - [17/Sep/2006:10:20:57 E. Australia Standard Time] “GET
/login
HTTP/1.1” 302 133
http://localhost:3000/?locale=en → /login
127.0.0.1 - - [17/Sep/2006:10:20:58 E. Australia Standard Time] “GET
/active_rbac/active_rbac/login/login?locale=en HTTP/1.1” 404 624
http://localhost:3000/?locale=en →
/active_rbac/active_rbac/login/login?locale=en

=============LOG FILE=======================================
Processing LoginController#login (for 127.0.0.1 at 2006-09-17 10:20:58)
[GET]
Session ID: c04aec03211733ac75632f0834b14a53
Parameters: {“action”=>“login”, “controller”=>“active_rbac/login”}
Redirected to
http://localhost:3000/active_rbac/active_rbac/login/login?locale=en
Filter chain halted as [set_locale] returned false
Completed in 0.00010 (10000 reqs/sec) | DB: 0.00000 (0%) | 302 Found [
http://localhost/login]
ActiveRbac::ComponentController: missing default helper path
active_rbac/component_helper
ActiveRbac::LoginController: missing default helper path
active_rbac/login_helper

Processing Base#index (for 127.0.0.1 at 2006-09-17 10:20:58) [GET]
Session ID: c04aec03211733ac75632f0834b14a53
Parameters: {“locale”=>“en”}

ActionController::RoutingError (Recognition failed for
“/active_rbac/active_rbac/login/login”):
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/routing.rb:522:in
recognition_failed' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/routing.rb:512:in recognize!’
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/dispatcher.rb:38:in
dispatch' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:115:in handle_dispatch’
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:81:in
service' C:/InstantRails/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in service’
C:/InstantRails/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:173:in start_thread’
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:162:in
start_thread' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:95:in start’
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:92:in start' C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:23:in start’
C:/InstantRails/ruby/lib/ruby/1.8/webrick/server.rb:82:in start' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6/lib/webrick_server.rb:67:in dispatch’
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6
/lib/commands/servers/webrick.rb:59

C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
require' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in require’
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.1.6
/lib/commands/server.rb:30

C:/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in
require' C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.1/lib/active_support/dependencies.rb:147:in require’
./script/server:3
-e:4

Rendering
C:/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.5/lib/action_controller/templates/rescues/layout.rhtml
(404 Page Not Found)

=====================routes.rb=================================
ActionController::Routing::Routes.draw do |map|
map.connect ‘/admin/group/:action/:id’,
:controller => ‘active_rbac/group’
map.connect ‘/admin/role/:action/:id’,
:controller => ‘active_rbac/role’
map.connect ‘/admin/static_permission/:action/:id’,
:controller => ‘active_rbac/static_permission’
map.connect ‘/admin/user/:action/:id’,
:controller => ‘active_rbac/user’

map.connect '/login', :controller => 'active_rbac/login',
    :action => 'login'
map.connect '/logout', :controller => 'active_rbac/login',
    :action => 'logout'
map.connect '/register/confirm/:user/:token',
    :controller => 'active_rbac/registration',
    :action => 'confirm'
map.connect '/register/:action/:id',
    :controller => 'active_rbac/registration'


map.connect '', :controller => "splash"
map.connect ':controller/:action/:sort/:order'
map.connect ':locale/:controller/:action/:permalink'
map.connect ':controller/:action/:id'

end

greg · September 17, 2006, 2:35pm

PS. ummm…can ones routes.rb can contain more than one mapping with
the
same number of parameters or not? i.e. if it did how would rails know
how
to back calculate a url_for or a redirect_to request? Wonder if this
would
explain my problem? I have the following lines in my routes.rb that
both
have 4 parameters:
…
map.connect ‘:controller/:action/:sort/:order’
map.connect ‘:locale/:controller/:action/:permalink’
…

greg · September 18, 2006, 9:43am

Can anyone provide an overview of the business logic behind the
“url_for”
functionality in relation to how it works given there may be many routes
specified in ones “routes.rb” file? How does it determine which mapping
to
use & rules behind populating the URL?
I stated to look at the rails code around started getting a headache
(still not quite up to this level in ruby/rails)