#8 new

problem with polymorphic association nested in namespaced parents.

Reported by airy | December 24th, 2009 @ 10:25 PM


my environment and code related with the problem are here: http://gist.github.com/263390

and i get this error:

Can't get singleton resource from class Catalog. You have have probably done something like:

nested_in :catalog, :singleton => true # <= where this is the first nested_in

You should tell resources_controller how to find the singleton resource like this:

nested_in :catalog, :singleton => true do

Catalog.find(<.. your find args here ..>)


nested_in :catalog, :singleton => true, :find => <.. method name or lambda ..>

Or, you may be relying on the route to load the resource, in which case you need to give RC some
help. Do this by mapping the route segment to a resource in the controller, or a parent or mixin

map_enclosing_resource :catalog, :segment => ..., :singleton => true <.. as above ..>

can you drive me to a solution for polymorphic associations nested in namespaced parents please?

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resources_controller is a rails plugin that eases the pain of RESTful controllers.

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