owncloud/core

<?php
/**
 * @author Robin Appelman <icewind@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Files\Cache;

use OCP\Constants;
use OCP\Files\Cache\ICache;

/**
 * Storage placeholder to represent a missing precondition, storage unavailable
 */
class FailedCache implements ICache {
    /** @var bool whether to show the failed storage in the ui */
    private $visible;

    /**
     * FailedCache constructor.
     *
     * @param bool $visible
     */
    public function __construct($visible = true) {
        $this->visible = $visible;
    }

    public function getNumericStorageId() {
        return -1;
    }

    public function get($file) {
        if ($file === '') {
            return new CacheEntry([
                'fileid' => -1,
                'size' => 0,
                'mimetype' => 'httpd/unix-directory',
                'mimepart' => 'httpd',
                'permissions' => $this->visible ? Constants::PERMISSION_READ : 0,
                'mtime' => \time()
            ]);
        } else {
            return false;
        }
    }

    public function getFolderContents($folder) {
        return [];
    }

    public function getFolderContentsById($fileId) {
        return [];
    }

    public function put($file, array $data) {
        return;
    }

    public function insert($file, array $data) {
        return;
    }

    public function update($id, array $data) {
        return;
    }

    public function getId($file) {
        return -1;
    }

    public function getParentId($file) {
        return -1;
    }

    public function inCache($file) {
        return false;
    }

    public function remove($file) {
        return;
    }

    public function move($source, $target) {
        return;
    }

    public function moveFromCache(ICache $sourceCache, $sourcePath, $targetPath) {
        return;
    }

    public function clear() {
        return;
    }

    public function getStatus($file) {
        return ICache::NOT_FOUND;
    }

    public function search($pattern) {
        return [];
    }

    public function searchByMime($mimetype) {
        return [];
    }

    public function searchByTag($tag, $userId) {
        return [];
    }

    public function getAll() {
        return [];
    }

    public function getIncomplete() {
        return [];
    }

    public function getPathById($id) {
        return null;
    }

    public function normalize($path) {
        return $path;
    }
}