nextcloud_groupfolder_files.../lib/Manager/SnapshotManager.php

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<?php
namespace OCA\GroupfolderFilesystemSnapshots\Manager;
use OCA\GroupfolderFilesystemSnapshots\Manager\PathManager;
use OCA\GroupfolderFilesystemSnapshots\Entity\Snapshot;
class SnapshotManager {
private PathManager $pathManager;
public function __construct(PathManager $pathManager){
$this->pathManager = $pathManager;
}
private function validSnapshotId(string $snapshotId) {
return (preg_match("/^[a-zA-Z0-9-_]+$/", $snapshotId) == 1);
}
function snapshotExists(string $snapshotId): bool {
if($this->validSnapshotId($snapshotId)) {
$path = $this->pathManager->getSnapshotPath($snapshotId);
return (file_exists($path) && is_dir($path));
} else {
return false;
}
}
function get(string $snapshotId) {
if(self::snapshotExists($snapshotId)) {
return new Snapshot($snapshotId);
} else {
return false;
}
}
function getAll() {
$iterator = new \FilesystemIterator($this->pathManager->getFilesystemSnapshotsPath());
foreach ($iterator as $fileinfo) {
if(!$fileinfo->isDir()) continue;
yield new Snapshot($fileinfo->getFilename());
}
}
}