class UpdateHomeworkCommentStatus < ActiveRecord::Migration
  def up
    homeworks = HomeworkCommon.joins(:homework_detail_manual).where("publish_time is not NULL and publish_time <= '#{Date.today}' and homework_detail_manuals.comment_status = 0")
    homeworks.each do |homework|
      hw_dm = homework.homework_detail_manual
      if hw_dm && hw_dm.comment_status == 0
        if hw_dm.evaluation_end < Date.today && homework.anonymous_comment == 0
          hw_dm.update_column("comment_status", 3)
        elsif homework.anonymous_comment == 0 && hw_dm.evaluation_end >= Date.today && hw_dm.evaluation_start <= Date.today
          hw_dm.update_column("comment_status", 2)
        else
          hw_dm.update_column("comment_status", 1)
        end
      end
    end
  end

  def down
  end
end