module Sis
  module Core
    class Student < ApplicationRecord
      has_one_attached :picture
      belongs_to :user
      belongs_to :level, optional: true
      belongs_to :semester, optional: true
      belongs_to :entry, optional: true
      belongs_to :programme
      belongs_to :programme_level
      belongs_to :programme_type
      belongs_to :advisor, class_name: 'Sis::Core::Instructor', optional: true
      has_many :course_registrations

      delegate(:first_name, to: :user, prefix: false)
      delegate(:last_name, to: :user, prefix: false)
      delegate(:email, to: :user, prefix: false)
      delegate(:first_name, to: :advisor, prefix: true, allow_nil: true)
      delegate(:middle_name, to: :advisor, prefix: true, allow_nil: true)
      delegate(:last_name, to: :advisor, prefix: true, allow_nil: true)
    end
  end
end