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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2010 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class items_rest_Core {
/**
* To retrieve a collection of items, you can specify the following query parameters to specify
* the type of the collection. If both are specified, then the url parameter is used and the
* ancestors_for is ignored. Specifying the "type" parameter with the urls parameter, will
* filter the results based on the specified type. Using the type parameter with the
* ancestors_for parameter makes no sense and will be ignored.
*
* urls=url1,url2,url3
* return items that match the specified urls. Typically used to return the member detail
*
* ancestors_for=url
* return the ancestors of the specified item
*
* type=<comma separate list of photo, movie or album>
* limit the type to types in this list. eg, "type=photo,movie"
*/
static function get($request) {
$items = array();
if (isset($request->params->urls)) {
foreach (json_decode($request->params->urls) as $url) {
if (isset($request->params->type)) {
$types = explode(",", $request->params->type);
}
$item = rest::resolve($url);
if (access::can("view", $item)) {
if (isset($types)) {
if (in_array($item->type, $types)) {
$items[] = items_rest::_format_restful_item($item);
}
} else {
$items[] = items_rest::_format_restful_item($item);
}
}
}
} else if (isset($request->params->ancestors_for)) {
$item = rest::resolve($request->params->ancestors_for);
if (!access::can("view", $item)) {
throw new Kohana_404_Exception();
}
$items[] = items_rest::_format_restful_item($item);
while (($item = $item->parent()) != null) {
array_unshift($items, items_rest::_format_restful_item($item));
};
}
return $items;
}
static function resolve($id) {
$item = ORM::factory("item", $id);
if (!access::can("view", $item)) {
throw new Kohana_404_Exception();
}
return $item;
}
private static function _format_restful_item($item) {
$item_rest = array("url" => rest::url("item", $item),
"entity" => $item->as_restful_array(),
"relationships" => rest::relationships("item", $item));
if ($item->type == "album") {
$members = array();
foreach ($item->viewable()->children() as $child) {
$members[] = rest::url("item", $child);
}
$item_rest["members"] = $members;
}
return $item_rest;
}
}
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