同一个资源可以多次发送到课堂

app/controllers/files_controller.rb

@@ -171,17 +171,18 @@ class FilesController < ApplicationController
     begin
       attachment_ids.each do |attachment_id|
         ori = Attachment.find_by_id(attachment_id)
-        @course.attachments.each do |att|
+        # 同一个资源可以多次发送到课堂
-          @exist = false
+        # @course.attachments.each do |att|
-          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
+        #   @exist = false
-            att.created_on = Time.now
+        #   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.save
+        #     att.created_on = Time.now
-            @exist = true
+        #     att.save
-            break
+        #     @exist = true
-          end
+        #     break
-        end
+        #   end
-
+        # end
-        next if @exist
+        #
+        # next if @exist
         attach_copied_obj = ori.copy
         attach_copied_obj.container = @course
         attach_copied_obj.created_on = Time.now