From a94d76da9defad75af0cd6d0aa42d19231e42bb4 Mon Sep 17 00:00:00 2001
From: Matt Switlik <switlik@oakland.edu>
Date: Wed, 30 Oct 2013 15:38:12 -0400
Subject: [PATCH] MDL-42618 fix grade importing of whitespace idnumbers

---
 grade/import/csv/index.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grade/import/csv/index.php b/grade/import/csv/index.php
index 8cdc5378bc3..ece046d6be7 100644
--- a/grade/import/csv/index.php
+++ b/grade/import/csv/index.php
@@ -235,7 +235,7 @@ if ($formdata = $mform2->get_data()) {
                     $studentid = $value;
                 break;
                 case 'useridnumber':
-                    if (!$user = $DB->get_record('user', array('idnumber' => $value))) {
+                    if (empty($value) || !$user = $DB->get_record('user', array('idnumber' => $value))) {
                          // user not found, abort whole import
                         import_cleanup($importcode);
                         echo $OUTPUT->notification("user mapping error, could not find user with idnumber \"$value\"");