* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
-class ActivityStreamJSONDocument
+class ActivityStreamJSONDocument extends JSONActivityCollection
{
+ // Note: Lot of AS folks think the content type should be:
+ // 'application/stream+json; charset=utf-8', but this is more
+ // useful at the moment, because some programs actually understand
+ // it.
+ const CONTENT_TYPE = 'application/json; charset=utf-8';
/* Top level array representing the document */
protected $doc = array();
/* The current authenticated user */
- protected $cur = null;
+ protected $cur;
+ protected $scoped = null;
+
+ /* Title of the document */
+ protected $title;
+
+ /* Links associated with this document */
+ protected $links;
+
+ /* Count of items in this document */
+ // XXX This is cryptically referred to in the spec: "The Stream serialization MAY contain a count property."
+ protected $count;
/**
* Constructor
* @param User $cur the current authenticated user
*/
- function __construct($cur = null)
+ function __construct($cur = null, $title = null, $items = null, $links = null, $url = null)
{
+ parent::__construct($items, $url);
- $this->cur = $cur;
+ $this->cur = $cur ?: common_current_user();
+ $this->scoped = !is_null($this->cur) ? $this->cur->getProfile() : null;
/* Title of the JSON document */
- $this->doc['title'] = null;
+ $this->title = $title;
- /* Array of activity items */
- $this->doc['items'] = array();
+ if (!empty($items)) {
+ $this->count = count($this->items);
+ }
/* Array of links associated with the document */
- $this->doc['links'] = array();
+ $this->links = empty($links) ? array() : $items;
+ /* URL of a document, this document? containing a list of all the items in the stream */
+ if (!empty($this->url)) {
+ $this->url = $this->url;
+ }
}
/**
function setTitle($title)
{
- $this->doc['title'] = $title;
+ $this->title = $title;
+ }
+
+ function setUrl($url)
+ {
+ $this->url = $url;
}
+
/**
* Add more than one Item to the document
*
function addItemsFromNotices($notices)
{
- common_debug("addItemsFromNotices");
if (is_array($notices)) {
foreach ($notices as $notice) {
$this->addItemFromNotice($notice);
function addItemFromNotice($notice)
{
- $cur = empty($this->cur) ? common_current_user() : $this->cur;
-
- $act = $notice->asActivity();
- $act->extra[] = $notice->noticeInfo($cur);
-
- array_push($this->doc['items'], $act->asArray());
+ $act = $notice->asActivity($this->scoped);
+ $act->extra[] = $notice->noticeInfo($this->scoped);
+ array_push($this->items, $act->asArray());
+ $this->count++;
}
/**
function addLink($url = null, $rel = null, $mediaType = null)
{
$link = new ActivityStreamsLink($url, $rel, $mediaType);
- $this->doc['link'][] = $link->asArray();
+ array_push($this->links, $link->asArray());
}
/*
*/
function asString()
{
- return json_encode(array_filter($this->doc));
- }
-
-}
-
-/**
- * A class for representing MediaLinks in JSON Activities
- *
- * @category Feed
- * @package StatusNet
- * @author Zach Copley <zach@status.net>
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
- */
-
-class ActivityStreamsMediaLink extends ActivityStreamsLink
-{
- private $linkDict;
-
- function __construct(
- $url = null,
- $width = null,
- $height = null,
- $mediaType = null,
- $rel = null,
- $duration = null
- )
- {
- parent::__construct($url, $rel, $mediaType);
- $this->linkDict = array(
- 'width' => $width,
- 'height' => $height,
- 'duration' => $duration
- );
- }
-
- function asArray()
- {
- return array_merge(
- parent::asArray(),
- array_filter($this->linkDict)
- );
- }
-}
-
-/**
- * A class for representing links in JSON Activities
- *
- * @category Feed
- * @package StatusNet
- * @author Zach Copley <zach@status.net>
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
- */
-
-class ActivityStreamsLink
-{
- private $linkDict;
-
- function __construct($url = null, $rel = null, $mediaType = null)
- {
- // links MUST have a URL
- if (empty($url)) {
- throw new Exception('Links must have a URL.');
- }
-
- $this->linkDict = array(
- 'url' => $url,
- 'rel' => $rel, // extension
- 'type' => $mediaType // extension
- );
+ $this->doc['generator'] = 'GNU social ' . GNUSOCIAL_VERSION; // extension
+ $this->doc['title'] = $this->title;
+ $this->doc['url'] = $this->url;
+ $this->doc['totalItems'] = $this->count;
+ $this->doc['items'] = $this->items;
+ $this->doc['links'] = $this->links; // extension
+ return json_encode(array_filter($this->doc)); // filter out empty elements
}
- function asArray()
- {
- return array_filter($this->linkDict);
- }
}