class UserAbility include CanCan::Ability def initialize(user) return unless user can :manage, :all if user.penning? can :create, Request, creditor_id: user.id can [:confirm, :decline], Request, debtor_id: user.id can :read, 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