This only works for instance methods, my problem is that I need to be
able to access xxxx_path from a class method... meaning:
class Foo
include ActionController::UrlWriter
def self.generate
login_path :host => 'example.com'
end
end
ActionController::Routing::Routes.named_routes.install(Foo)
Foo.generate
#=> NameError: undefined local variable or method `login_path' for
Foo:Class
from (irb):4:in `generate'
from (irb):9
On Aug 15, 9:14 am, Frederick Cheung <[email protected]>
wrote:
> On Aug 15, 1:52 pm, "[email protected]" <[email protected]> wrote:
>
>
>
> > So i've been banging my head against this for the better part of the
> > last 5 hours and I have concluded that in my sleep deprived state I'm
> > missing something really obvious and should just ask for help.
>
> > I need to be able to access named route helpers (XXX_path and XXX_URL)
> > form a class method in an ActiveRecord model. I tried a couple of
> > approaches none of which worked:
>
> > 1) include ActionController::UrlWriter in the model class -- this
> > doesn't work because the included methods are instance methods and
> > thus are not available in the class methods
>
> > 2) According to the rails api you can access the helpers by using
> > ActionController::UrlWriter.xxx_path (http://api.rubyonrails.org/
> > classes/ActionController/UrlWriter.html). However that just doesn't
> > work for me, I get the following error
>
> > NoMethodError: undefined method `xxx_path' for
> > ActionController::UrlWriter:Module
>
> > If anyone has ANY ideas PLEASE let me know.
>
> The helpers are defined in an anonymous module hidden inside the
> routing stuff. You can ask rails to include that module in a class for
> you, eg
>
> class Foo
> include ActionController::UrlWriter
> def generate
> parent_categories_url :host => 'example.com'
> end
> end
> ActionController::Routing::Routes.named_routes.install(Foo)
>
> Foo.new.generate #=> "http://example.com/admin/parent_categories";
>
> Fred
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