Don't return assignment submissions if no sumission has been made

diff --git a/mod/assignment/lib.php b/mod/assignment/lib.php
index 97c945497aaecf76b3f2fc2854fc53d89765049f..693c5b033d9e609306e24dfb7b8a2d89acbc2834 100644 (file)
--- a/mod/assignment/lib.php
+++ b/mod/assignment/lib.php
@@ -314,7 +314,11 @@ function assignment_file_area($assignment, $user) {
 }
 
 function assignment_get_submission($assignment, $user) {
-    return get_record("assignment_submissions", "assignment", $assignment->id, "userid", $user->id);
+    $record = get_record("assignment_submissions", "assignment", $assignment->id, "userid", $user->id);
+    if (!empty($record->timemodified)) {
+        return $record;
+    }
+    return NULL;
 }
 
 function assignment_print_difference($time) {