noesya/osuny

module Education::School::WithPrograms
  extend ActiveSupport::Concern

  included do
    has_and_belongs_to_many :programs,
                            class_name: 'Education::Program',
                            join_table: :education_programs_schools,
                            foreign_key: :education_school_id,
                            association_foreign_key: :education_program_id

    has_many :diplomas, -> { distinct },
             through: :programs,
             source: :diploma
             alias_method :education_diplomas, :diplomas

  end

  def has_education_programs?
    programs.any?
  end

  def has_education_diplomas?
    diplomas.any?
  end
end