/**
* Run forum cron.
*/
public function execute()
{
global $DB, $CFG;
$currenttime = time();
$statement = 'SELECT R.* FROM {ratingallocate} AS R
LEFT JOIN {ratingallocate_allocations} AS A
ON R.' . this_db\ratingallocate::ID . '=A.' . this_db\ratingallocate_allocations::RATINGALLOCATEID . '
WHERE A.' . this_db\ratingallocate_allocations::ID . ' IS NULL AND R.' . this_db\ratingallocate::ACCESSTIMESTOP . '<' . $currenttime;
$records = $DB->get_records_sql($statement);
$course = null;
foreach ($records as $record) {
$cm = get_coursemodule_from_instance(this_db\ratingallocate::TABLE, $record->{this_db\ratingallocate::ID});
// Fetch the data for the course, if is has changed
if (!$course || $course->id != $record->{this_db\ratingallocate::COURSE}) {
$course = $DB->get_record('course', array('id' => $record->{this_db\ratingallocate::COURSE}), '*', MUST_EXIST);
}
// Create ratingallocate instance from record
$ratingallocate = new \ratingallocate($record, $course, $cm, \context_module::instance($cm->id));
$currenttime = time();
$timetoterminate = $CFG->ratingallocate_algorithm_timeout + $ratingallocate->ratingallocate->algorithmstarttime;
// If last execution exeeds timeout limit assume failure of algorithm run.
if ($ratingallocate->ratingallocate->algorithmstarttime && $currenttime >= $timetoterminate && $ratingallocate->get_algorithm_status() === \mod_ratingallocate\algorithm_status::running) {
$ratingallocate->set_algorithm_failed();
return true;
}
// Only start the algorithm, if it should be run by the cron and hasn't been started somehow, yet.
if ($ratingallocate->ratingallocate->runalgorithmbycron === "1" && $ratingallocate->get_algorithm_status() === \mod_ratingallocate\algorithm_status::notstarted) {
// Run allocation.
$ratingallocate->distrubute_choices();
}
}
return true;
}