class UserAbility include CanCan::Ability def initialize(user) return unless user can :manage, :all if user.penning? can :read, user, id: user.id can :manage, Request, user_id: user.id can :manage, Notification, user_id: user.id can :create, Transaction do |t| t.debtor == user && t.amount <= Rails.application.config.maximum_amount end end end