json.(memo, :id, :subject, :is_md, :content, :sticky, :reward, :viewed_count)

json.tag memo.tag_repertoires.map(&:name)
json.time memo.created_at
json.replies_count memo.all_replies_count
json.attachments_list []
json.user_praise memo.praise_tread.user_liker(@user.try(:id)) ? true : false
json.memo_praise_count = memo.praise_tread.liker.count