67 lines
1.9 KiB
PHP
67 lines
1.9 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2012 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class Gallery3_DAV_Cache {
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private static $cache;
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private static $instance;
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private function __construct() {
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self::$cache = array();
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}
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public static function instance() {
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if (!isset(self::$instance)) {
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self::$instance = new Gallery3_DAV_Cache();
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}
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return self::$instance;
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}
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private function encode_path($path) {
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$path = trim($path, "/");
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$encoded_array = array();
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foreach (explode("/", $path) as $part) {
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$encoded_array[] = rawurlencode($part);
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}
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return join("/", $encoded_array);
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}
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public function to_album($path) {
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$path = substr($path, 0, strrpos($path, "/"));
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return $this->to_item($path);
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}
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public function to_item($path) {
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$path = trim($path, "/");
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$path = $this->encode_path($path);
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if (!isset(self::$cache[$path])) {
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self::$cache[$path] = ORM::factory("item")
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->viewable()
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->where("relative_path_cache", "=", $path)
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->find();
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}
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return self::$cache[$path];
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}
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public function __clone() {
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}
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}
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