undefined method `cannot?'

[dankest]

I'm trying to authorize a controller that does not have a model. When I try to load the controller "/calendar/patient_calendar", I get the error:
undefined method `cannot?' for CalendarController:Class

Here's my controller:

class CalendarController < ApplicationController
  layout "users"
  before_filter(:only => :patient_calendar) { unauthorized! if cannot? :read, :patient_calendar }

  def patient_calendar
  end

  def public_calendar
  end

end

And here are my abilities:

class Ability
  include CanCan::Ability

  def initialize(user)

    if user.nil?
      can :create, [Message, Gwapp]
      can :read, :public_calendar
    elsif user.user_type == "admin"
      can :manage, :all
    end

  end
end

Any idea what's going on?

[StevenR]

I appear to be having the same issue. I notice that if I move the unauthorized! call into the individual methods, there is no further error around undefined method `cannot?' for ...

[StevenR]

Try,
before_filter(:only => :patient_calendar) { |controller| controller.unauthorized! if controller.cannot? :read, :patient_calendar }

This worked for me.

[ryanb]

Right, the before_filter passes in the controller object which is what you must call the can?/cannot? methods on.