/**
* Generates token for backup
*
* @param \Backup $backup
* @return srting token generated based on grouping string
* @author : Rafał Trójniak rafal@trojniak.net
*/
private function genToken(\Backup $backup)
{
$created = clone $backup->getCreation();
if(!is_null($this->offset)){
$created->sub($this->offset);
}
return $created->format($this->group);
}
/**
* Forgets about the backup
* This deletes it from the list, but not from the disk
*
* @param Backup $backup
* @author : Rafał Trójniak rafal@trojniak.net
*/
public function forgetBackup(Backup $backup)
{
unset($this->backups[$backup->getCreation()->getTimestamp()]);
}
