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<?php
namespace Algolia\AlgoliaSearch\Cache;
use Psr\SimpleCache\CacheInterface;
final class FileCacheDriver implements CacheInterface
{
const PREFIX = 'algolia-client-';
private $directory;
public function __construct($directory)
{
$this->directory = rtrim($directory, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
}
/**
* {@inheritdoc}
*/
public function get($key, $default = null)
{
if (!$this->has($key)) {
return $default;
}
return file_get_contents($this->getFilenameFromKey($key));
}
/**
* {@inheritdoc}
*/
public function set($key, $value, $ttl = null)
{
return file_put_contents($this->getFilenameFromKey($key), $value);
}
/**
* {@inheritdoc}
*/
public function delete($key)
{
return @unlink($this->getFilenameFromKey($key));
}
/**
* {@inheritdoc}
*/
public function clear()
{
$result = true;
foreach (glob($this->directory.self::PREFIX.'*') as $file) {
$result &= @unlink($file);
}
return $result;
}
/**
* {@inheritdoc}
*/
public function getMultiple($keys, $default = null)
{
$result = [];
foreach ($keys as $key) {
$result[$key] = $this->get($key, $default);
}
return $result;
}
/**
* {@inheritdoc}
*/
public function setMultiple($values, $ttl = null)
{
$result = true;
foreach ($values as $key => $value) {
$result &= $this->set($key, $value, $ttl);
}
return $result;
}
/**
* {@inheritdoc}
*/
public function deleteMultiple($keys)
{
$result = true;
foreach ($keys as $key) {
$result &= $this->delete($key);
}
return $result;
}
/**
* {@inheritdoc}
*/
public function has($key)
{
return file_exists($this->getFilenameFromKey($key));
}
/**
* @param string $key
*
* @return string
*/
private function getFilenameFromKey($key)
{
$name = $this->directory.self::PREFIX.$key;
return str_replace('\\', '-', $name);
}
}
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