From cd70aa32f2580d425df8de62aaf338d014926ca3 Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Thu, 1 Jun 2006 14:27:37 +0000
Subject: [PATCH] Bug 5247: stop people creating tests with a close date before
 the open date.

---
 lang/en_utf8/quiz.php | 1 +
 mod/quiz/lib.php      | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/lang/en_utf8/quiz.php b/lang/en_utf8/quiz.php
index 87a56913c6..b43e4b09bb 100644
--- a/lang/en_utf8/quiz.php
+++ b/lang/en_utf8/quiz.php
@@ -102,6 +102,7 @@ $string['correctanswerlength'] = 'Significant Figures';
 $string['correctanswers'] = 'Correct answers';
 $string['correctanswershows'] = 'Correct answer shows';
 $string['corrresp'] = 'Correct Response';
+$string['closebeforeopen'] = 'Could not update the quiz. You have specified a close date before the open date.';
 $string['countdown'] = 'Countdown';
 $string['countdownfinished'] = 'The quiz is closing, you should submit your answers now.';
 $string['countdowntenminutes'] = 'The quiz will be closing in ten minutes.';
diff --git a/mod/quiz/lib.php b/mod/quiz/lib.php
index 3b263d30bf..7c4df55c31 100644
--- a/mod/quiz/lib.php
+++ b/mod/quiz/lib.php
@@ -78,6 +78,10 @@ function quiz_add_instance($quiz) {
                                                     $quiz->availableminute);
     }
 
+    if ($quiz->timeopen != 0 && $quiz->timeclose != 0 && $quiz->timeclose < $quiz->timeopen) {
+        return get_string('closebeforeopen', 'quiz');
+    }
+
     $quiz->timelimit = round($quiz->timelimit);
 
     if (empty($quiz->name)) {
@@ -171,6 +175,10 @@ function quiz_update_instance($quiz) {
                                                     $quiz->availableminute);
     }
 
+    if ($quiz->timeopen != 0 && $quiz->timeclose != 0 && $quiz->timeclose < $quiz->timeopen) {
+        return get_string('closebeforeopen', 'quiz');
+    }
+
     $quiz->timelimit = round($quiz->timelimit);
 
     $quiz->id = $quiz->instance;
-- 
2.39.5