accelerate the speed of generate data for widget by cache

app/controllers/announcements_controller.rb

@@ -116,8 +116,9 @@ class AnnouncementsController < ApplicationController
     subpart = OrbitHelper.get_current_widget
     anns_cache = AnnsCache.where(parent_id: subpart.id.to_s,locale: I18n.locale.to_s)
     widget_data_count = OrbitHelper.widget_data_count
-    set_image_version_for_widget
-    if !(defined? SiteFeed).nil? || anns_cache.count != 1 || is_random
+    set_image_version_for_widget()
+    devide_flag = (!(defined? SiteFeed).nil?)
+    if anns_cache.count != 1 || is_random
       page = Page.where(:module => "announcement").first rescue nil
       Bulletin.remove_expired_status
       uid = OrbitHelper.params[:uid] rescue ""
@@ -129,17 +130,26 @@ class AnnouncementsController < ApplicationController
         if anns_cache.count > 1
           anns_cache.destroy
         end
-        AnnsCache.create(parent_id: subpart.id.to_s,locale: I18n.locale.to_s,filter_result: sorted_anns.to_a.to_yaml)
+        if devide_flag
+          now_anns = sorted_anns.to_a
+          top_anns = now_anns.select{|v| v.is_top}.map{|v| data_to_human_type(v)}
+          not_top_anns = now_anns.select{|v| !v.is_top}.map{|v| data_to_human_type(v)}
+          AnnsCache.create(parent_id: subpart.id.to_s,locale: I18n.locale.to_s,filter_result: {top: top_anns,not_top: not_top_anns})
+        else
+          anns = sorted_anns.map{|v| data_to_human_type(v)}
+          AnnsCache.create(parent_id: subpart.id.to_s,locale: I18n.locale.to_s,filter_result: anns)
+        end
       else
-        sorted_anns = sorted_anns.sample(widget_data_count)
+        anns = sorted_anns.sample(widget_data_count).map{|v| data_to_human_type(v)}
       end
+    elsif devide_flag
+      now_anns = anns_cache.first.filter_result
+      top_anns = now_anns[:top]
+      not_top_anns = now_anns[:not_top]
     else
-      sorted_anns = YAML.load(anns_cache.first.filter_result)
+      anns = anns_cache.first.filter_result
     end
-    if (defined? SiteFeed).nil? || is_random
-      anns = sorted_anns.map{|v| data_to_human_type(v)}
-    else
-      top_anns = sorted_anns.select{|v| v.is_top}.map{|v| data_to_human_type(v)} 
+    if devide_flag
       rest_count = widget_data_count - top_anns.count
       if rest_count <= 0
         anns = top_anns
@@ -147,7 +157,7 @@ class AnnouncementsController < ApplicationController
         feeds_anns = get_feed_announcements("widget")
         top_anns = top_anns + feeds_anns.select{|v| v['is_top']}
         top_anns = top_anns.sort{|v1,v2| v2["postdate"]<=>v1["postdate"]}
-        rest_all_anns = feeds_anns.select{|v| v['is_top'] != true} + sorted_anns.select{|v| !v.is_top}.take(rest_count).map{|v| data_to_human_type(v)}
+        rest_all_anns = feeds_anns.select{|v| v['is_top'] != true} + not_top_anns.take(rest_count)
         rest_anns = rest_all_anns.sort{|v1,v2| v2["postdate"]<=>v1["postdate"]}.take(rest_count)
         anns = (top_anns + rest_anns).take(widget_data_count)
       end

app/models/bulletin.rb

@@ -11,6 +11,7 @@ class Bulletin
   require 'bulletin_model/cache'
   include BulletinModel::Cache
   SubPart.class_eval { include BulletinModel::Cache }
+  Page.class_eval { include BulletinModel::Cache }
   before_destroy do
     AnnsCache.all.destroy
   end

lib/bulletin_model/cache.rb

@@ -8,7 +8,7 @@ module BulletinModel
     def do_before_save
       if self.class == SubPart
         AnnsCache.where(parent_id:self.id).destroy
-      elsif self.class == Bulletin
+      elsif self.class == Bulletin || (self.class == Page && self.module == "announcement")
         AnnsCache.all.destroy
       end
     end