93 lines
3.2 KiB
PHP
93 lines
3.2 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 tree_rest_Core {
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/**
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* The tree is rooted in a single item and can have modifiers which adjust what data is shown
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* for items inside the given tree, up to the depth that you want. The entity for this resource
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* is a series of items.
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*
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* depth=<number>
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* Only traverse this far down into the tree. If there are more albums
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* below this depth, provide RESTful urls to other tree resources in
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* the members section. Default is infinite.
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*
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* type=<album|photo|movie>
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* Restrict the items displayed to the given type. Default is all types.
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*
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* fields=<comma separated list of field names>
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* In the entity section only return these fields for each item.
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* Default is all fields.
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*/
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static function get($request) {
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$item = rest::resolve($request->url);
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access::required("view", $item);
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$query_params = array();
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$p = $request->params;
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$where = array();
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if (isset($p->type)) {
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$where[] = array("type", "=", $p->type);
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$query_params[] = "type={$p->type}";
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}
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if (isset($p->depth)) {
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$lowest_depth = $item->level + $p->depth;
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$where[] = array("level", "<=", $lowest_depth);
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$query_params[] = "depth={$p->depth}";
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}
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$fields = array();
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if (isset($p->fields)) {
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$fields = explode(",", $p->fields);
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$query_params[] = "fields={$p->fields}";
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}
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$entity = array(array("url" => rest::url("item", $item),
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"entity" => $item->as_restful_array($fields)));
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$members = array();
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foreach ($item->viewable()->descendants(null, null, $where) as $child) {
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$entity[] = array("url" => rest::url("item", $child),
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"entity" => $child->as_restful_array($fields));
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if (isset($lowest_depth) && $child->level == $lowest_depth) {
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$members[] = url::merge_querystring(rest::url("tree", $child), $query_params);
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}
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}
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$result = array(
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"url" => $request->url,
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"entity" => $entity,
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"members" => $members,
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"relationships" => rest::relationships("tree", $item));
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return $result;
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}
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static function resolve($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 $item;
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}
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static function url($item) {
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return url::abs_site("rest/tree/{$item->id}");
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}
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}
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