/**
* {@inheritdoc}
*/
public function getBackupsToRemove(BackupCollection $existingBackups, Backup $newBackup)
{
$size = $existingBackups->getTotalFileSize() + $newBackup->getSize();
if ($size < $this->maxSize) {
return new BackupCollection();
}
$backupsToRemove = array();
/** @var Backup[] $existingBackups */
foreach ($existingBackups as $backup) {
$backupsToRemove[] = $backup;
$size -= $backup->getSize();
if ($size < $this->maxSize) {
break;
}
}
return new BackupCollection($backupsToRemove);
}
/**
* {@inheritdoc}
*/
public function all()
{
$backups = array();
/** @var SplFileInfo[] $files */
$files = Finder::create()->in($this->directory)->files()->depth(0)->sortByModifiedTime();
foreach ($files as $file) {
$backups[] = Backup::fromFile($file->getPathname());
}
return $backups;
}
/**
* {@inheritdoc}
*/
public function push($filename, LoggerInterface $logger)
{
$this->doRotate(Backup::fromFile($filename), $logger);
return $this->destination->push($filename, $logger);
}