/**
* @desc Deletes an alert from the database.
* @param AdministratorAlert $alert The alert to delete.
*/
public static function delete_alert($alert)
{
// If it exists in the data base
if ($alert->get_id() > 0) {
self::$db_querier->delete(DB_TABLE_EVENTS, 'WHERE id = :id', array('id' => $alert->get_id()));
$alert->set_id(0);
AdministratorAlertCache::invalidate();
}
//Else it's not present in the database, we have nothing to delete
}
