can and define abilities with attributes about cancan HOT 3 CLOSED

Hi,

I think you need to use:

if can?(:update, comment)

You need to pass the comment instance to check the ability

And if you want to raise and exception inserting the corresponding URL you need to set a before filter in the corresponding Controller. See the Authorizing Controller Actions section in the readme of CanCan

from cancan.

well, thank you i've forgotten authorizing the correspondent controller, besides, the comment model that i'm working with, belongs polymorphicly to a Request model, i think because that the :nested atribute of load_and_authorize_resource method

in that way i've solved that problem, but i still don't see the links like

and my ability.rb model is something like this

class Ability
  include CanCan::Ability
  
  def initialize(user)
    
    can [:read, :create, :update, :destroy], Comment do |comment|
      comment.try(:user) == user
    end
    
    if user.role == "admin"
      can :manage, :all
    elsif user.role == "qa"
      can [:read, :accept], Request
    elsif user.role == "client"
      can :read, Request
      can [:update, :destroy, :create, :suspend, :resume], Request do |request|
        request.try(:user) == user
      end
    end
  end
end

why i can't see those links?

the use of brackets doesn't affect this behavior, greetings

from cancan.

i've solved this, really i wasn't read well what means you anwer @pacoguzman, you've right this was about that i was passing the Comment class, not de comment instance object to check the abilities, thank you

from cancan.