/**
* This function does the cron process within the time range according to settings.
*/
function tool_qeupgradehelper_process($settings)
{
global $CFG;
require_once dirname(__FILE__) . '/locallib.php';
if (!tool_qeupgradehelper_is_upgraded()) {
mtrace('qeupgradehelper: site not yet upgraded. Doing nothing.');
return;
}
require_once dirname(__FILE__) . '/afterupgradelib.php';
$hour = (int) date('H');
if ($hour < $settings->starthour || $hour >= $settings->stophour) {
mtrace('qeupgradehelper: not between starthour and stophour, so doing nothing (hour = ' . $hour . ').');
return;
}
$stoptime = time() + $settings->procesingtime;
mtrace('qeupgradehelper: processing ...');
while (time() < $stoptime) {
$quiz = tool_qeupgradehelper_get_quiz_for_upgrade();
if (!$quiz) {
mtrace('qeupgradehelper: No more quizzes to process. You should probably disable the qeupgradehelper cron settings now.');
break;
// No more to do;
}
$quizid = $quiz->id;
$quizsummary = tool_qeupgradehelper_get_quiz($quizid);
if ($quizsummary) {
mtrace(' starting upgrade of attempts at quiz ' . $quizid);
$upgrader = new tool_qeupgradehelper_attempt_upgrader($quizsummary->id, $quizsummary->numtoconvert);
$upgrader->convert_all_quiz_attempts();
mtrace(' upgrade of quiz ' . $quizid . ' complete.');
}
}
mtrace('qeupgradehelper: Done.');
return;
}
// If we are doing a quiz id, limit to one.
if ($options['quiz']) {
$options['countlimit'] = 1;
}
$count = 0;
mtrace('qeupgradehelper: processing ...');
/* This while statement does a few things
* Basically if an option is set to false, then that subsection will return
* true, and will short circuit the test condition for that option, and always
* being true. Both options are anded together, so either one can trigger to stop.
*/
while ((!$stoptime || time() < $stoptime) && (!$options['countlimit'] || $count < $options['countlimit'])) {
if ($options['quiz']) {
$quizid = $options['quiz'];
} else {
$quiz = tool_qeupgradehelper_get_quiz_for_upgrade();
if (!$quiz) {
mtrace('qeupgradehelper: No more quizzes to process.');
break;
// No more to do.
}
$quizid = $quiz->id;
}
$quizsummary = tool_qeupgradehelper_get_quiz($quizid);
if ($quizsummary) {
mtrace(' starting upgrade of attempts at quiz ' . $quizid);
$upgrader = new tool_qeupgradehelper_attempt_upgrader($quizsummary->id, $quizsummary->numtoconvert);
$upgrader->convert_all_quiz_attempts();
mtrace(' upgrade of quiz ' . $quizid . ' complete.');
} else {
mtrace('quiz ' . $quizid . ' not found or already upgraded.');
