From 87d1c055c924230bf51128f8c48551008e23aa14 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Tue, 27 Aug 2019 17:14:25 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=BE=E5=A0=82=E5=8F=AF=E4=BB=A5=E9=80=89?=
 =?UTF-8?q?=E7=94=A8=E9=87=8D=E5=A4=8D=E8=B5=84=E6=BA=90?=
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---
 app/controllers/files_controller.rb | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/app/controllers/files_controller.rb b/app/controllers/files_controller.rb
index 791d145c2..a6eafe0f3 100644
--- a/app/controllers/files_controller.rb
+++ b/app/controllers/files_controller.rb
@@ -172,17 +172,17 @@ class FilesController < ApplicationController
       attachment_ids.each do |attachment_id|
         ori = Attachment.find_by_id(attachment_id)
         # 同一个资源可以多次发送到课堂
-        # @course.attachments.each do |att|
-        #   @exist = false
-        #   if att.id == ori.id || (!att.copy_from.nil? && !ori.copy_from.nil? && att.copy_from == ori.copy_from) || att.copy_from == ori.id || att.id == ori.copy_from
-        #     att.created_on = Time.now
-        #     att.save
-        #     @exist = true
-        #     break
-        #   end
-        # end
-        #
-        # next if @exist
+        @course.attachments.each do |att|
+          @exist = false
+          if att.id == ori.id || (!att.copy_from.nil? && !ori.copy_from.nil? && att.copy_from == ori.copy_from) || att.copy_from == ori.id || att.id == ori.copy_from
+            att.created_on = Time.now
+            att.save
+            @exist = true
+            break
+          end
+        end
+
+        next if @exist
         attach_copied_obj = ori.copy
         attach_copied_obj.container = @course
         attach_copied_obj.created_on = Time.now