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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 item_ordered_members_rest_Core {
static function get($request) {
$item = rest::resolve($request->url);
$ordered_members = array();
foreach ($item->children() as $child) {
$ordered_members[] = rest::url("item", $child);
}
return array(
"url" => $request->url,
"entity" => array("ordered_members" => $ordered_members));
}
static function put($request) {
$item = rest::resolve($request->url);
access::required("edit", $item);
// Verify that we're not adding or removing members this way
if (count($request->params->ordered_members) != $item->children_count()) {
throw new Rest_Exception("Bad Request", 400);
}
$ordered_members = array();
foreach ($request->params->ordered_members as $url) {
$member = rest::resolve($url);
if ($member->parent_id != $item->id) {
throw new Rest_Exception("Bad Request", 400);
}
$ordered_members[] = $member;
}
// Update all the weights. This is a pretty inefficient way to do this if we're just changing
// one or two elements, but it's easy. We could optimize this by looking at the current order
// and figuring out which elements have moved and then only changing those values.
$i = 0;
foreach ($ordered_members as $member) {
$member->weight = $i++;
$member->save();
}
}
static function relationships($resource_type, $resource) {
if ($resource_type == "item" && $resource->is_album()) {
return array(
"item_ordered_members" => array(
"url" => rest::url("item_ordered_members", $resource)));
}
}
static function resolve($id) {
$item = ORM::factory("item", $id);
if (!access::can("view", $item) || !$item->is_album()) {
throw new Kohana_404_Exception();
}
return $item;
}
static function url($item) {
return url::abs_site("rest/item_ordered_members/{$item->id}");
}
}
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