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167 lines (141 loc) · 4.31 KB
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<?php
declare(strict_types=1);
/*
* This file is part of the DebugBar package.
*
* (c) 2013 Maxime Bouroumeau-Fuseau
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace DebugBar\Storage;
/**
* Stores collected data into files
*/
class FileStorage extends AbstractStorage
{
protected string $dirname;
/**
* @param string $dirname Directories where to store files
*/
public function __construct(string $dirname)
{
$this->dirname = rtrim($dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
}
public function save(string $id, array $data): void
{
if (!file_exists($this->dirname)) {
mkdir($this->dirname, 0o755, true);
file_put_contents($this->dirname . '.gitignore', "*\n!.gitignore\n");
}
file_put_contents($this->makeFilename($id), json_encode($data));
$this->autoPrune();
}
/**
* {@inheritdoc}
*/
public function get(string $id): array
{
$fileName = $this->makeFilename($id);
if (!file_exists($fileName)) {
return [];
}
$content = file_get_contents($fileName);
if ($content === false) {
throw new \RuntimeException("Unable to read file $fileName");
}
return json_decode($content, true) ?: [];
}
/**
* {@inheritdoc}
*/
public function find(array $filters = [], int $max = 20, int $offset = 0): array
{
//Load the metadata and filter the results.
$results = [];
$ids = [];
$i = 0;
$files = new \FilesystemIterator($this->dirname, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::CURRENT_AS_PATHNAME);
foreach ($files as $path) {
if (str_ends_with($path, '.json')) {
$ids[] = basename($path, '.json');
}
}
// Sort by id
sort($ids, SORT_STRING);
$ids = array_reverse($ids);
$filterUtime = null;
if ($filters['utime'] ?? false) {
$filterUtime = (float) $filters['utime'];
unset($filters['utime']);
}
foreach ($ids as $id) {
//When filter is empty, skip loading the offset
if ($i++ < $offset && !$filters) {
$results[] = null;
continue;
}
$data = $this->get($id);
if (!isset($data['__meta'])) {
continue;
}
$meta = $data['__meta'];
unset($data);
if ($filterUtime !== null && $meta['utime'] <= $filterUtime) {
break;
}
if ($this->filter($meta, $filters)) {
$results[] = $meta;
}
if (count($results) >= ($max + $offset)) {
break;
}
}
return array_slice($results, $offset, $max);
}
/**
* Filter the metadata for matches.
*
*
*/
protected function filter(array $meta, array $filters): bool
{
foreach ($filters as $key => $value) {
if (!isset($meta[$key]) || fnmatch($value, $meta[$key]) === false) {
return false;
}
}
return true;
}
/**
* {@inheritdoc}
*/
public function clear(): void
{
foreach (new \FilesystemIterator($this->dirname, \FilesystemIterator::CURRENT_AS_PATHNAME | \FilesystemIterator::SKIP_DOTS) as $path) {
if (is_file($path) && str_ends_with($path, '.json')) {
unlink($path);
}
}
}
public function makeFilename(string $id): string
{
return $this->dirname . basename($id) . ".json";
}
/**
* {@inheritdoc}
*/
public function prune(int $hours = 24): void
{
$cutoffTime = time() - $hours * 3600;
if (!is_dir($this->dirname)) {
return;
}
/** @var \DirectoryIterator $file */
foreach (new \FilesystemIterator($this->dirname, \FilesystemIterator::CURRENT_AS_FILEINFO | \FilesystemIterator::SKIP_DOTS) as $file) {
if ($file->isFile() && str_ends_with($file->getFilename(), '.json') && $file->getMTime() < $cutoffTime) {
unlink($file->getPathname());
}
}
}
}