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Provide a REST interface to retrieve tags or tagged items.

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GET  /tag?limit=nn,offset=nn  Retrieve all tags sorted by count descending
GET  /tag/uri/uri/uri         Retrieve all the tags for the resource specified by path
GET  /tag/t1/t2/t3            Retrieve all the items that have the specified tags
                              Can specifiy limit and offset to limit response size
This commit is contained in:
Tim Almdal
2009-12-23 14:20:23 -08:00
parent d0dd6650be
commit cf6de01f1e
1 changed files with 80 additions and 0 deletions
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80
modules/tag/helpers/tag_rest.php Normal file
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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 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 tag_rest_Core {
static function get($request) {
if (empty($request->arguments)) {
$tags = ORM::factory("tag")
->select("name", "count")
->orderby("count", "DESC");
if (!empty($request->limit)) {
$tags->limit($request->limit);
}
if (!empty($request->offset)) {
$tags->offset($request->offset);
}
$response = array("tags" => array());
foreach ($tags->find_all() as $row) {
$response["tags"][] = array("name" => $row->name, "count" => $row->count);
}
} else {
$item = ORM::factory("item")
->where("relative_url_cache", implode("/", $request->arguments))
->viewable()
->find();
if ($item->loaded) {
$response = array("tags" => tag::item_tags($item));
} else {
$response = array("resources" => tag_rest::_get_items($request));
}
}
return rest::success($response);
}
private static function _get_items($request) {
$tags = $request->arguments;
$items = ORM::factory("item")
->join("items_tags", "items.id", "items_tags.item_id", "left")
->join("tags", "tags.id", "items_tags.tag_id", "left")
->where("tags.name", array_shift($tags));
if (!empty($request->limit)) {
$items->limit($request->limit);
}
if (!empty($request->offset)) {
$tags->offset($request->offset);
}
foreach ($tags as $tag) {
$items->orWhere("tags.name", $tag);
}
$resources = array();
foreach ($items->find_all() as $item) {
$resources[] = array("type" => $item->type,
"has_children" => $item->children_count() > 0,
"path" => $item->relative_url(),
"thumb_url" => $item->thumb_url(true),
"thumb_dimensions" => array("width" => $item->thumb_width,
"height" => $item->thumb_height),
"has_thumb" => $item->has_thumb(),
"title" => $item->title);
}
return $resources;
}
}