From 840a7b337b169d493cc45877fd2b0c328618d309 Mon Sep 17 00:00:00 2001
From: nwb <nwb5@hotmail.com>
Date: Tue, 22 Jul 2014 10:50:58 +0800
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---
 ...20140722024513_update_course_attachment.rb | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 db/migrate/20140722024513_update_course_attachment.rb

diff --git a/db/migrate/20140722024513_update_course_attachment.rb b/db/migrate/20140722024513_update_course_attachment.rb
new file mode 100644
index 000000000..6b0372b5b
--- /dev/null
+++ b/db/migrate/20140722024513_update_course_attachment.rb
@@ -0,0 +1,20 @@
+class UpdateCourseAttachment < ActiveRecord::Migration
+  # 更新课程资源类型
+  def up
+    Attachment.all.each do |attachment|
+      if attachment.container_type == 'Course'
+        if attachment.attachtype == 1
+          attachment.attachtype = 4
+        elsif attachment.attachtype == 2
+          attachment.attachtype = 5
+        elsif attachment.attachtype == 3
+          attachment.attachtype = 6
+        end
+        attachment.save
+      end
+    end
+  end
+
+  def down
+  end
+end