mirror of https://github.com/nextcloud/bookmarks
115 lines
2.3 KiB
PHP
115 lines
2.3 KiB
PHP
<?php
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/*
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* Copyright (c) 2020. The Nextcloud Bookmarks contributors.
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*
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* This file is licensed under the Affero General Public License version 3 or later. See the COPYING file.
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*/
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namespace OCA\Bookmarks\Service;
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use OCP\Files\IAppData;
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use OCP\Files\NotFoundException;
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use OCP\Files\NotPermittedException;
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use OCP\ICache;
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class FileCache implements ICache {
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public const TIMEOUT = 60 * 60 * 24 * 30 * 2; // two months
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protected $storage;
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public function __construct(IAppData $appData) {
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try {
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$this->storage = $appData->getFolder('cache');
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} catch (NotFoundException $e) {
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$appData->newFolder('cache');
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$this->storage = $appData->getFolder('cache');
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}
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}
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/**
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* @param string $key
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* @return mixed|null
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* @throws NotFoundException
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* @throws NotPermittedException
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*/
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public function get($key) {
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$result = null;
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if ($this->hasKey($key)) {
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$result = $this->storage->getFile($key)->getContent();
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}
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return $result;
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}
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/**
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* Returns the size of the stored/cached data
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*
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* @param string $key
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* @return int
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* @throws NotFoundException
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*/
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public function size($key): int {
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$result = 0;
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if ($this->hasKey($key)) {
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$result = $this->storage->getFile($key)->getSize();
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}
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return $result;
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}
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/**
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* @param string $key
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* @param mixed $value
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* @param int $ttl
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* @return bool
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* @throws NotFoundException
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* @throws NotPermittedException
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*/
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public function set($key, $value, $ttl = 0) {
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$file = $this->storage->newFile($key);
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$file->putContent($value);
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return true;
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}
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/**
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* @param string $key
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* @return bool
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*/
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public function hasKey($key) {
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if ($this->storage->fileExists($key)) {
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return true;
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}
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return false;
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}
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/**
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* @param string $key
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* @return bool
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* @throws NotFoundException
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* @throws NotPermittedException
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*/
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public function remove($key) {
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return (boolean) $this->storage->getFile($key)->delete();
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}
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/**
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* @param string $prefix
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* @return void
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* @throws NotPermittedException
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*/
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public function clear($prefix = '') {
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$this->storage->delete();
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}
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/**
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* Runs GC
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*
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* @throws NotPermittedException
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*/
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public function gc(): void {
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foreach ($this->storage->getDirectoryListing() as $file) {
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if (time() - self::TIMEOUT > $file->getMTime()) {
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$file->delete();
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}
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}
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}
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}
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