fix feed error

lib/announcement/engine.rb

@@ -71,9 +71,11 @@ module Announcement
         data[key4] = key4_attr
         data_item[key_item1] = [value_item1,value_item2,value_item3]
         data_item[key_item2] = [value2_item1,value2_item2]
-        require File.expand_path('../../../app/models/anns_cache', __FILE__)
-        if defined? AnnsCache
-          AnnsCache.destroy_all
+        if ENV['worker_num']=='0' && File.basename($0) != 'rake' && !Rails.const_defined?('Console')
+          require File.expand_path('../../../app/models/anns_cache', __FILE__)
+          if defined?(AnnsCache)
+            AnnsCache.destroy_all
+          end
         end
       rescue  => e
         puts ['error in announcement',e]

lib/bulletin_model/cache.rb

@@ -11,7 +11,11 @@ module BulletinModel
       elsif self.class == Bulletin || (self.class == Page && self.module == "announcement")
         if self.class == Bulletin
           tmp_tag_ids = (Array(self.tag_ids) + Array(self.org_tag_ids)).uniq
-          BulletinFeedCache.where(:uid.in => BulletinFeed.where(:tag_ids.in => tmp_tag_ids.collect{|v| v.to_s}).pluck(:uid)).destroy
+          Thread.new do
+            BulletinFeedCache.where(:uid.in => BulletinFeed.where(:tag_ids.in => tmp_tag_ids.collect{|v| v.to_s}).pluck(:uid)).each do |cache|
+              cache.regenerate
+            end
+          end
         end
         AnnsCache.all.destroy
       end