module BulletinModel module Cache require 'active_support/concern' extend ActiveSupport::Concern included do before_save :do_before_save end def do_before_save if self.class == SubPart AnnsCache.where(parent_id:self.id).destroy elsif self.class == Bulletin || (self.class == Page && self.module == "announcement") if self.class == Bulletin BulletinFeedCache.where(:uid.in => BulletinFeed.where(:tag_ids.in => Array(self.tag_ids).collect{|v| v.to_s}).pluck(:uid)).destroy end AnnsCache.all.destroy end end end end