招聘支持置顶，社区置顶排除隐藏的栏目，修正置顶内容缓存的问题;

Author: huacnlee

app/controllers/jobs_controller.rb

@@ -5,9 +5,15 @@ def feed_node_topics_url
     # super.feed_node_topics_url(id: 25)
   end
 
+  def node_id
+    25
+  end
+  
   def index
-    @node = Node.find(25)
-    @topics = @node.topics.last_actived.fields_for_list.includes(:user).paginate(:page => params[:page],:per_page => 15)
+    @node = Node.find(node_id)
+    @suggest_topics = Topic.where(node_id: node_id).suggest.limit(3)
+    suggest_topic_ids = @suggest_topics.collect(&:id)
+    @topics = @node.topics.last_actived.fields_for_list.where(:_id.nin => suggest_topic_ids).includes(:user).paginate(:page => params[:page],:per_page => 15)
     set_seo_meta("#{@node.name} » #{t("menu.topics")}","#{Setting.app_name}#{t("menu.topics")}#{@node.name}",@node.summary)
     drop_breadcrumb("#{@node.name}")
     render "/topics/index"

app/controllers/topics_controller.rb

@@ -8,7 +8,7 @@ class TopicsController < ApplicationController
   before_filter :init_base_breadcrumb
 
   def index
-    @suggest_topics = Topic.suggest_topics
+    @suggest_topics = Topic.without_hide_nodes.suggest.limit(3)
     suggest_topic_ids = @suggest_topics.collect(&:id)
     @topics = Topic.last_actived.without_hide_nodes.where(:_id.nin => suggest_topic_ids).fields_for_list.includes(:user).paginate(:page => params[:page], :per_page => 15, :total_entries => 1500)
     set_seo_meta("","#{Setting.app_name}#{t("menu.topics")}")

app/models/topic.rb

@@ -140,16 +140,6 @@ def last_page_with_per_page(per_page)
     page = (self.replies_count.to_f / per_page).ceil
     page > 1 ? page : nil
   end
-  
-  def self.suggest_topics
-    key = "topic:suggest_topics:#{CacheVersion.topic_last_suggested_at}:3"
-    topics = Rails.cache.read(key)
-    if !topics
-      topics = Topic.suggest.limit(3).to_a
-      Rails.cache.write(key, topics)
-    end
-    topics
-  end
 
   # 所有的回复编号
   def reply_ids

spec/models/topic_spec.rb

@@ -112,12 +112,4 @@
     end
   end
 
-  describe '#suggest_topics' do
-    it 'should work' do
-      topics = FactoryGirl.create_list(:topic, 6)
-      Topic.should_receive(:suggest).and_return { Topic.all }
-      expect(Topic.suggest_topics).to eq topics[0,3]
-    end
-    
-  end
 end