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MDL-36020 overview/report: fix quiz regrade session lock

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This commit is contained in:
Troy Lee 2013-05-09 10:13:46 +08:00
parent 2d5303cbe7
commit 62af3fe42b
1 changed files with 12 additions and 1 deletions
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13
mod/quiz/report/overview/report.php
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@ -291,6 +291,14 @@ class quiz_overview_report extends quiz_attempts_report {
}
}
/**
* Unlock the session and allow the regrading process to run in the background.
*/
protected function unlock_session() {
session_get_instance()->write_close();
ignore_user_abort(true);
}
/**
* Regrade a particular quiz attempt. Either for real ($dryrun = false), or
* as a pretend regrade to see which fractions would change. The outcome is
@ -306,7 +314,8 @@ class quiz_overview_report extends quiz_attempts_report {
*/
protected function regrade_attempt($attempt, $dryrun = false, $slots = null) {
global $DB;
set_time_limit(30);
// Need more time for a quiz with many questions.
set_time_limit(300);
$transaction = $DB->start_delegated_transaction();
@ -359,6 +368,7 @@ class quiz_overview_report extends quiz_attempts_report {
protected function regrade_attempts($quiz, $dryrun = false,
$groupstudents = array(), $attemptids = array()) {
global $DB;
$this->unlock_session();
$where = "quiz = ? AND preview = 0";
$params = array($quiz->id);
@ -400,6 +410,7 @@ class quiz_overview_report extends quiz_attempts_report {
*/
protected function regrade_attempts_needing_it($quiz, $groupstudents) {
global $DB;
$this->unlock_session();
$where = "quiza.quiz = ? AND quiza.preview = 0 AND qqr.regraded = 0";
$params = array($quiz->id);