ruby on rails - cancan authorization not working -


i trying let users create design can edit designs doesn't work because design.user in block nil think has way model associations setup

can :read, :all if !(user.nil?)   can :create, design   can :manage, design |design|       user && design.user == user   end   can :vote, design   can :vote2, design end  class design < activerecord::base   belongs_to :user  end  class user < activerecord::base    has_many :designs end


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