module Sis
  module Core
    class ExamResult < ApplicationRecord
      PASS = 'Pass'.freeze
      FAIL = 'Fail'.freeze

      belongs_to :exam
      belongs_to :application

      validates :points, presence: true
      validates_uniqueness_of :application_id, scope: %i[exam_id]


      before_validation :set_status

      def set_status
        self.status = if exam && exam.pass_point >= points
                        PASS
                      else
                        FAIL
                      end
      end
    end
  end
end