97 lines
3.5 KiB
PHP
97 lines
3.5 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) 2000-2013 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 items_rest_Core {
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/**
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* To retrieve a collection of items, you can specify the following query parameters to specify
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* the type of the collection. If both are specified, then the url parameter is used and the
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* ancestors_for is ignored. Specifying the "type" parameter with the urls parameter, will
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* filter the results based on the specified type. Using the type parameter with the
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* ancestors_for parameter makes no sense and will be ignored.
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*
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* urls=["url1","url2","url3"]
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* Return items that match the specified urls. Typically used to return the member detail
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*
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* ancestors_for=url
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* Return the ancestors of the specified item
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*
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* type=<comma separate list of photo, movie or album>
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* Limit the type to types in this list, eg: "type=photo,movie".
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* Also limits the types returned in the member collections (same behaviour as item_rest).
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* Ignored if ancestors_for is set.
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*/
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static function get($request) {
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$items = array();
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$types = array();
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if (isset($request->params->urls)) {
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if (isset($request->params->type)) {
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$types = explode(",", $request->params->type);
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}
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foreach (json_decode($request->params->urls) as $url) {
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$item = rest::resolve($url);
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if (!access::can("view", $item)) {
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continue;
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}
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if (empty($types) || in_array($item->type, $types)) {
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$items[] = items_rest::_format_restful_item($item, $types);
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}
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}
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} else if (isset($request->params->ancestors_for)) {
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$item = rest::resolve($request->params->ancestors_for);
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if (!access::can("view", $item)) {
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throw new Kohana_404_Exception();
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}
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$items[] = items_rest::_format_restful_item($item, $types);
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while (($item = $item->parent()) != null) {
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array_unshift($items, items_rest::_format_restful_item($item, $types));
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};
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}
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return $items;
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}
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static function resolve($id) {
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$item = ORM::factory("item", $id);
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if (!access::can("view", $item)) {
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throw new Kohana_404_Exception();
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}
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return $item;
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}
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private static function _format_restful_item($item, $types) {
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$item_rest = array("url" => rest::url("item", $item),
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"entity" => $item->as_restful_array(),
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"relationships" => rest::relationships("item", $item));
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if ($item->type == "album") {
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$members = array();
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foreach ($item->viewable()->children() as $child) {
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if (empty($types) || in_array($child->type, $types)) {
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$members[] = rest::url("item", $child);
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}
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}
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$item_rest["members"] = $members;
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}
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return $item_rest;
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}
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}
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