class UpdateCourseTerm < ActiveRecord::Migration
  def up
    count = Course.all.count / 30 + 2
    transaction do
      for i in 1 ... count do i
      Course.page(i).per(30).each do |course|
        if course.end_time.nil? && course.end_term.nil?
          course.end_time = course.time
          course.end_term = course.term
          course.save
        end
      end
      end
    end
  end

  def down
  end
end