class AboutMemoMessage < ActiveRecord::Migration
  def up
    # Memo.all.each do |memo|
    #   transaction do
    #     # 贴吧帖子
    #     receivers = []
    #     u = User.find(6)
    #     receivers << u
    #     # 主贴
    #     if memo.parent_id.nil?
    #       if memo.author_id != memo.forum.creator_id # 发帖人不是吧主
    #         receivers << memo.forum.creator
    #       end
    #     else # 回帖
    #       # 添加吧主
    #       if memo.author_id != memo.forum.creator_id
    #         receivers << memo.forum.creator
    #       end
    #       # 添加发帖人
    #       unless memo.parent.nil?
    #         if  memo.author_id != memo.parent.author_id
    #           receivers << memo.parent.author
    #           puts memo.id
    #         end
    #       end
    #     end
    #     receivers.each do |r|
    #       memo.memo_messages << MemoMessage.new(:user_id => r.id, :forum_id => memo.forum_id, :memo_id => memo.id, :memo_type => "Memo", :viewed => true)
    #     end
    #   end
    # end
  end

  def down
  end
end