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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\RemoteStorage\Driver\Adapter;
use League\Flysystem\Config;
use League\Flysystem\FileAttributes;
use League\Flysystem\FilesystemAdapter;
use Magento\RemoteStorage\Driver\Adapter\Cache\CacheInterface;
/**
* Cached adapter implementation for filesystem storage.
*/
class CachedAdapter implements CachedAdapterInterface
{
/**
* @var FilesystemAdapter
*/
private $adapter;
/**
* @var CacheInterface
*/
private $cache;
/**
* @var MetadataProviderInterface
*/
private $metadataProvider;
/**
* Constructor.
*
* @param FilesystemAdapter $adapter
* @param CacheInterface $cache
* @param MetadataProviderInterface $metadataProvider
*/
public function __construct(
FilesystemAdapter $adapter,
CacheInterface $cache,
MetadataProviderInterface $metadataProvider
) {
$this->adapter = $adapter;
$this->cache = $cache;
$this->metadataProvider = $metadataProvider;
}
/**
* {@inheritdoc}
*/
public function write(string $path, string $contents, Config $config): void
{
$this->adapter->write($path, $contents, $config);
$object = [
'type' => 'file',
'path' => $path,
];
$this->cache->updateMetadata($path, $object, true);
}
/**
* {@inheritdoc}
*/
public function writeStream(string $path, $contents, Config $config): void
{
$this->adapter->writeStream($path, $contents, $config);
$object = [
'type' => 'file',
'path' => $path,
];
$this->cache->updateMetadata($path, $object, true);
}
/**
* {@inheritdoc}
*/
public function move(string $source, string $destination, Config $config): void
{
$this->adapter->move($source, $destination, $config);
$this->cache->moveFile($source, $destination);
}
/**
* {@inheritdoc}
*/
public function copy(string $source, string $destination, Config $config): void
{
$this->adapter->copy($source, $destination, $config);
$this->cache->copyFile($source, $destination);
}
/**
* {@inheritdoc}
*/
public function delete(string $path): void
{
$this->adapter->delete($path);
$this->cache->deleteFile($path);
}
/**
* {@inheritdoc}
*/
public function deleteDirectory(string $path): void
{
$this->adapter->deleteDirectory($path);
$this->cache->deleteDir($path);
}
/**
* {@inheritdoc}
*/
public function createDirectory(string $path, Config $config): void
{
$this->adapter->createDirectory($path, $config);
$type = 'dir';
$dirname = $path;
$this->cache->updateMetadata($dirname, ['path' => $path, 'type' => $type], true);
}
/**
* {@inheritdoc}
*/
public function setVisibility(string $path, string $visibility): void
{
$this->adapter->setVisibility($path, $visibility);
$this->cache->updateMetadata($path, ['path' => $path, 'visibility' => $visibility], true);
}
/**
* {@inheritdoc}
*/
public function fileExists(string $path): bool
{
$cacheHas = $this->cache->exists($path);
if ($cacheHas !== null) {
return $cacheHas;
}
$exists = $this->adapter->fileExists($path);
if (!$exists) {
try {
// check if target is a directory
$exists = iterator_count($this->adapter->listContents($path, false)) > 0;
} catch (\Throwable $e) {
// catch closed iterator
$exists = false;
}
}
if (!$exists) {
$this->cache->storeFileNotExists($path);
} else {
$cacheEntry = is_array($exists) ? $exists : ['path' => $path];
$this->cache->updateMetadata($path, $cacheEntry, true);
}
return $exists;
}
/**
* {@inheritdoc}
*/
public function read(string $path): string
{
return $this->adapter->read($path);
}
/**
* {@inheritdoc}
*/
public function readStream(string $path)
{
return $this->adapter->readStream($path);
}
/**
* {@inheritdoc}
*/
public function listContents(string $path, bool $deep): iterable
{
return $this->adapter->listContents($path, $deep);
}
/**
* {@inheritdoc}
*/
public function fileSize(string $path): FileAttributes
{
$result = $this->metadataProvider->getMetadata($path);
return new FileAttributes($path, (int)$result['size']);
}
/**
* {@inheritdoc}
*/
public function mimeType(string $path): FileAttributes
{
$result = $this->metadataProvider->getMetadata($path);
return new FileAttributes($path, null, null, null, $result['mimetype']);
}
/**
* {@inheritdoc}
*/
public function lastModified(string $path): FileAttributes
{
$result = $this->metadataProvider->getMetadata($path);
return new FileAttributes($path, null, null, (int)$result['timestamp']);
}
/**
* {@inheritdoc}
*/
public function visibility(string $path): FileAttributes
{
$result = $this->metadataProvider->getMetadata($path);
return new FileAttributes($path, null, $result['visibility']);
}
}