#192 Authorization with CanCan - RailsCastsclass Ability include CanCan::Ability def initialize(user) user ||= User.new # guest user if user.role? :admin can :manage, :all else can :read, :all can :create, Comment can :update, Comment do |comment| comment.try(:user) == user || user.role?(:moderator) end if user.role?(:author) can :create, Article can :update, Article do |article| article.try(:user) == user end end end end end
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