# HG changeset patch
# User jittat <jittat@6386c4cd-e34a-4fa8-8920-d93eb39b512e>
# Date 2008-03-10 12:00:37
# Node ID c9ffe114dd77fb4264ccd057a83c5e67961c7802
# Parent  ed4dcbabf27d55ee7a802894c7a5624232136a4e

fixed bug: increament of number on old records in submission

git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@98 6386c4cd-e34a-4fa8-8920-d93eb39b512e

diff --git a/app/models/submission.rb b/app/models/submission.rb
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@@ -10,7 +10,7 @@
   validate :must_specify_language
   validate :must_have_valid_problem
 
-  before_save :assign_latest_number
+  before_save :assign_latest_number_if_new_recond
 
   def self.find_last_by_user_and_problem(user_id, problem_id)
     last_sub = find(:first, 
@@ -111,7 +111,8 @@
   end
 
   # callbacks
-  def assign_latest_number
+  def assign_latest_number_if_new_recond
+    return if !self.new_record?
     latest = Submission.find_last_by_user_and_problem(self.user_id, self.problem_id)
     self.number = (latest==nil) ? 1 : latest.number + 1;
   end