# HG changeset patch
# User jittat <jittat@6386c4cd-e34a-4fa8-8920-d93eb39b512e>
# Date 2009-04-19 01:46:01
# Node ID 6eb47384a88d34bd9dab26d6f3c8d16f99f2995b
# Parent  1a0b47f4c2a47b8723c311f230fcfa93fccd7e22

fixed error when submitted file is nil

git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@366 6386c4cd-e34a-4fa8-8920-d93eb39b512e

diff --git a/app/controllers/main_controller.rb b/app/controllers/main_controller.rb
--- a/app/controllers/main_controller.rb
+++ b/app/controllers/main_controller.rb
@@ -53,7 +53,7 @@
     @submission = Submission.new(params[:submission])
     @submission.user = user
     @submission.language_id = 0
-    if params['file']!=''
+    if (params['file']) and (params['file']!='')
       @submission.source = params['file'].read 
       @submission.source_filename = params['file'].original_filename
     end