编辑文章后，或者回复文章后，更新组织动态的更新时间

app/controllers/org_document_comments_controller.rb

@@ -33,6 +33,10 @@ class OrgDocumentCommentsController < ApplicationController
   def update
     @org_document =  OrgDocumentComment.find(params[:id])
     @org_document.update_attributes(:title => params[:org_document_comment][:title], :content => params[:org_document_comment][:content])
+    if @org_document.parent.nil?
+      act  = OrgActivity.where("org_act_type='OrgDocumentComment' and org_act_id =?", @org_document.id).first
+      act.update_attributes(:updated_at => @org_document.updated_at)
+    end
     respond_to do |format|
       format.html {redirect_to organization_org_document_comments_path(:organization_id => @org_document.organization.id)}
     end

app/models/org_document_comment.rb

@@ -11,6 +11,10 @@ class OrgDocumentComment < ActiveRecord::Base
   def document_save_as_org_activity
     if(self.parent().nil?)
       self.org_acts << OrgActivity.new(:user_id => User.current.id, :container_id => self.organization.id, :container_type => 'Organization')
+    else
+      act = OrgActivity.where("org_act_type='OrgDocumentComment' and org_act_id =?", self.root.id).first
+      act.update_attributes(:updated_at => self.updated_at)
     end
   end
+
 end