avoid update bus info clean cache

lib/ruling_bus/engine.rb

@@ -2,6 +2,8 @@ module RulingBus
   class Engine < ::Rails::Engine
     initializer "ruling_bus" do
       require File.expand_path('../../../app/models/ruling_bus_setting', __FILE__)
+      require File.expand_path('../../../app/models/ruling_bus_info', __FILE__)
+      require File.expand_path('../../../app/models/ruling_bus_cache', __FILE__)
       RulingBusSetting.create if RulingBusSetting.first.nil?
       OrbitApp.registration "RulingBus", :type => "ModuleApp" do
         module_label "ruling_bus.ruling_bus"
@@ -9,6 +11,14 @@ module RulingBus
         authorizable
         categorizable
         widget_methods ["widget"]
+        if File.basename($0) != 'rake'
+          begin
+            avoid_page_cache RulingBusInfo
+            avoid_page_cache RulingBusCache
+          rescue => e
+            puts ["avoid_page_cache", e.to_s]
+          end
+        end
         side_bar do
           head_label_i18n 'ruling_bus.ruling_bus', icon_class: "fa fa-bus"
           available_for "users"

modules/ruling_bus/_ruling_bus_widget1.html.erb

@@ -10,7 +10,7 @@
         <div class="col-sm-6">
           <div>
             <strong class="route_name">{{route_name}}:</strong>
-            <span class="bus_time">{{time_to_arrive}}</span>
+            <span class="bus_time"></span>
           </div>
         </div>
     </div>
@@ -49,6 +49,7 @@
       update_bus(ele);
     },{{update_interval}});
   }
+  update_bus($('#{{update_id}}[data-list="bus_infos"]')[0]);
   update_interval_bus($('#{{update_id}}[data-list="bus_infos"]')[0]);
 </script>
 <style type="text/css">