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<?php
/**
* expire_studygroups.class.php - Removes studygroups that have reached their expiration date
* and also notifies about upcoming expirations to the founders of the studygroups.
*
* @author Rasmus Fuhse <fuhse@data-quest.de>
* @access public
* @since 6.0
*/
class ExpireStudygroups extends CronJob
{
public static function getName()
{
return _('Studiengruppen abräumen');
}
public static function getDescription()
{
return _('Löscht ablaufende Studiengruppen und benachrichtigt einen Monat vor Ablauf der Studiengruppe über die Löschung.');
}
public function execute($last_result, $parameters = [])
{
$statement = DBManager::get()->prepare("
SELECT `seminare`.*
FROM `seminare`
INNER JOIN `config_values` ON (`config_values`.`range_id` = `seminare`.`Seminar_id` AND `config_values`.`field` = 'STUDYGROUP_EXPIRATION_DATE')
WHERE `config_values`.`value` >= UNIX_TIMESTAMP()
");
$statement->execute();
while ($course = Course::buildExisting($statement->fetch(PDO::FETCH_ASSOC))) {
$course->delete();
}
//now the notifications
$messaging = new messaging();
$statement = DBManager::get()->prepare("
SELECT `seminare`.*
FROM `seminare`
INNER JOIN `config_values` ON (`config_values`.`range_id` = `seminare`.`Seminar_id` AND `config_values`.`field` = 'STUDYGROUP_EXPIRATION_DATE')
WHERE `config_values`.`value` >= UNIX_TIMESTAMP() - 86400 * 31
AND `config_values`.`value` < UNIX_TIMESTAMP() - 86400 * 30
");
$statement->execute([
'last_time' => $last_result
]);
while ($course = Course::buildExisting($statement->fetch(PDO::FETCH_ASSOC))) {
}
}
}
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