发布课程通知消息异步发送（测试版）

app/models/news.rb

@@ -169,7 +169,7 @@ class News < ActiveRecord::Base
     if self.course
       self.course.members.each do |m|
         if m.user_id != self.author_id
-          #self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.course_id, :viewed => false)
+          self.delay.send_message(m.user_id, self.course_id)
           count = ShieldWechatMessage.where("container_type='User' and container_id=#{m.user_id} and shield_type='Course' and shield_id=#{self.course_id}").count
           if count == 0
             ws = WechatService.new
@@ -189,6 +189,10 @@ class News < ActiveRecord::Base
     end
   end
 
+  def send_message user_id, course_id
+    self.course_messages << CourseMessage.new(:user_id => user_id, :course_id => course_id, :viewed => false)
+  end
+
   # Time 2015-03-31 13:50:54
   # Author lizanle
   # Description 删除news后删除对应的资源