From 81b77bc870559b1b8e5e67b268e0f43e50717f04 Mon Sep 17 00:00:00 2001
From: nwb <nwb5@hotmail.com>
Date: Tue, 29 Jul 2014 16:14:49 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=88=A0=E9=99=A4=E4=BF=AE?=
 =?UTF-8?q?=E6=94=B9?=
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---
 app/controllers/attachments_controller.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index f00cbb03d..0aec29e6a 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -181,7 +181,8 @@ class AttachmentsController < ApplicationController
 
     respond_to do |format|
       # modify by nwb
-      if !@attachment.container.nil? && (@attachment.container.has_attribute?(:course) ||@attachment.container.has_attribute?(:course_id) ) &&(@attachment.container.is_a?(Course) || @attachment.container.course)
+      if !@attachment.container.nil? &&
+         (@attachment.container.is_a?(Course) || ((@attachment.container.has_attribute?(:course) ||@attachment.container.has_attribute?(:course_id) )  && @attachment.container.course ) )
         if @attachment.container.is_a?(News)
           format.html { redirect_to_referer_or news_path(@attachment.container) }
         elsif @course.nil?