class Rss10Action extends Action
{
# This will contain the details of each feed item's author and be used to generate SIOC data.
-
+
var $creators = array();
var $limit = DEFAULT_RSS_LIMIT;
-
+ var $notices = null;
+
/**
* Constructor
*
/**
* Do we need to write to the database?
- *
+ *
* @return boolean true
*/
-
+
function isReadonly()
{
return true;
/**
* Read arguments and initialize members
- *
+ *
* @param array $args Arguments from $_REQUEST
* @return boolean success
*/
-
+
function prepare($args)
{
- $this->limit = (int) $this->trimmed('limit');
- if ($this->limit == 0) {
- $this->limit = DEFAULT_RSS_LIMIT;
- }
- return true;
+ parent::prepare($args);
+ $this->limit = (int) $this->trimmed('limit');
+ if ($this->limit == 0) {
+ $this->limit = DEFAULT_RSS_LIMIT;
+ }
+ return true;
}
-
+
/**
* Handle a request
- *
+ *
* @param array $args Arguments from $_REQUEST
- *
+ *
* @return void
*/
-
+
function handle($args)
{
+ // Parent handling, including cache check
parent::handle($args);
- $this->show_rss($limit);
+ // Get the list of notices
+ if (empty($this->tag)) {
+ $this->notices = $this->getNotices($this->limit);
+ } else {
+ $this->notices = $this->getTaggedNotices($this->tag, $this->limit);
+ }
+ $this->showRss();
}
/**
* Get the notices to output in this stream
- *
+ *
* @return array an array of Notice objects sorted in reverse chron
*/
-
+
function getNotices()
{
return array();
/**
* Get a description of the channel
- *
- * Returns an array with the following
- * @return array
- function get_channel()
+ *
+ * Returns an array with the following
+ * @return array
+ */
+
+ function getChannel()
{
return array('url' => '',
'title' => '',
'description' => '');
}
- function get_image()
+ function getImage()
{
return null;
}
- function show_rss($limit=0)
+ function showRss()
{
- $notices = $this->get_notices($limit);
-
- $this->init_rss();
- $this->show_channel($notices);
- $this->show_image();
+ $this->initRss();
+ $this->showChannel();
+ $this->showImage();
- foreach ($notices as $n) {
- $this->show_item($n);
+ foreach ($this->notices as $n) {
+ $this->showItem($n);
}
- $this->show_creators();
- $this->end_rss();
+ $this->showCreators();
+ $this->endRss();
}
- function show_channel($notices)
+ function showChannel()
{
- $channel = $this->get_channel();
- $image = $this->get_image();
+ $channel = $this->getChannel();
+ $image = $this->getImage();
- common_element_start('channel', array('rdf:about' => $channel['url']));
- common_element('title', null, $channel['title']);
- common_element('link', null, $channel['link']);
- common_element('description', null, $channel['description']);
- common_element('cc:licence', array('rdf:resource' => common_config('license','url')));
+ $this->elementStart('channel', array('rdf:about' => $channel['url']));
+ $this->element('title', null, $channel['title']);
+ $this->element('link', null, $channel['link']);
+ $this->element('description', null, $channel['description']);
+ $this->element('cc:licence', array('rdf:resource' => common_config('license','url')));
if ($image) {
- common_element('image', array('rdf:resource' => $image));
+ $this->element('image', array('rdf:resource' => $image));
}
- common_element_start('items');
- common_element_start('rdf:Seq');
+ $this->elementStart('items');
+ $this->elementStart('rdf:Seq');
- foreach ($notices as $notice) {
- common_element('sioct:MicroblogPost', array('rdf:resource' => $notice->uri));
+ foreach ($this->notices as $notice) {
+ $this->element('rdf:li', array('rdf:resource' => $notice->uri));
}
- common_element_end('rdf:Seq');
- common_element_end('items');
+ $this->elementEnd('rdf:Seq');
+ $this->elementEnd('items');
- common_element_end('channel');
+ $this->elementEnd('channel');
}
- function show_image()
+ function showImage()
{
- $image = $this->get_image();
+ $image = $this->getImage();
if ($image) {
- $channel = $this->get_channel();
- common_element_start('image', array('rdf:about' => $image));
- common_element('title', null, $channel['title']);
- common_element('link', null, $channel['link']);
- common_element('url', null, $image);
- common_element_end('image');
+ $channel = $this->getChannel();
+ $this->elementStart('image', array('rdf:about' => $image));
+ $this->element('title', null, $channel['title']);
+ $this->element('link', null, $channel['link']);
+ $this->element('url', null, $image);
+ $this->elementEnd('image');
}
}
- function show_item($notice)
+ function showItem($notice)
{
$profile = Profile::staticGet($notice->profile_id);
$nurl = common_local_url('shownotice', array('notice' => $notice->id));
$creator_uri = common_profile_uri($profile);
- common_element_start('item', array('rdf:about' => $notice->uri));
+ $this->elementStart('item', array('rdf:about' => $notice->uri,
+ 'rdf:type' => 'http://rdfs.org/sioc/types#MicroblogPost'));
$title = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
- common_element('title', null, $title);
- common_element('link', null, $nurl);
- common_element('description', null, $profile->nickname."'s status on ".common_exact_date($notice->created));
- common_element('dc:date', null, common_date_w3dtf($notice->created));
- common_element('dc:creator', null, ($profile->fullname) ? $profile->fullname : $profile->nickname);
- common_element('sioc:has_creator', array('rdf:resource' => $creator_uri));
- common_element('laconica:postIcon', array('rdf:resource' => common_profile_avatar_url($profile)));
- common_element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
- common_element_end('item');
+ $this->element('title', null, $title);
+ $this->element('link', null, $nurl);
+ $this->element('description', null, $profile->nickname."'s status on ".common_exact_date($notice->created));
+ if ($notice->rendered) {
+ $this->element('content:encoded', null, common_xml_safe_str($notice->rendered));
+ }
+ $this->element('dc:date', null, common_date_w3dtf($notice->created));
+ $this->element('dc:creator', null, ($profile->fullname) ? $profile->fullname : $profile->nickname);
+ $this->element('foaf:maker', array('rdf:resource' => $creator_uri));
+ $this->element('sioc:has_creator', array('rdf:resource' => $creator_uri.'#acct'));
+ $this->element('laconica:postIcon', array('rdf:resource' => $profile->avatarUrl()));
+ $this->element('cc:licence', array('rdf:resource' => common_config('license', 'url')));
+ if ($notice->reply_to) {
+ $replyurl = common_local_url('shownotice', array('notice' => $notice->reply_to));
+ $this->element('sioc:reply_of', array('rdf:resource' => $replyurl));
+ }
+ $this->elementEnd('item');
$this->creators[$creator_uri] = $profile;
}
- function show_creators()
+ function showCreators()
{
foreach ($this->creators as $uri => $profile) {
$id = $profile->id;
$nickname = $profile->nickname;
- common_element_start('sioc:User', array('rdf:about' => $uri));
- common_element('foaf:nick', null, $nickname);
+ $this->elementStart('foaf:Agent', array('rdf:about' => $uri));
+ $this->element('foaf:nick', null, $nickname);
if ($profile->fullname) {
- common_element('foaf:name', null, $profile->fullname);
+ $this->element('foaf:name', null, $profile->fullname);
}
- common_element('sioc:id', null, $id);
- $avatar = common_profile_avatar_url($profile);
- common_element('sioc:avatar', array('rdf:resource' => $avatar));
- common_element_end('sioc:User');
+ $this->element('foaf:holdsAccount', array('rdf:resource' => $uri.'#acct'));
+ $avatar = $profile->avatarUrl();
+ $this->element('foaf:depiction', array('rdf:resource' => $avatar));
+ $this->elementEnd('foaf:Agent');
}
}
- function init_rss()
+ function initRss()
{
- $channel = $this->get_channel();
+ $channel = $this->getChannel();
header('Content-Type: application/rdf+xml');
- common_start_xml();
- common_element_start('rdf:RDF', array('xmlns:rdf' =>
+ $this->startXml();
+ $this->elementStart('rdf:RDF', array('xmlns:rdf' =>
'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
'xmlns:dc' =>
'http://purl.org/dc/elements/1.1/',
'xmlns:cc' =>
- 'http://web.resource.org/cc/',
+ 'http://creativecommons.org/ns#',
'xmlns:content' =>
'http://purl.org/rss/1.0/modules/content/',
'xmlns:foaf' =>
'xmlns:laconica' =>
'http://laconi.ca/ont/',
'xmlns' => 'http://purl.org/rss/1.0/'));
- common_element_start('sioc:Site', array('rdf:about' => common_root_url()));
- common_element('sioc:name', null, common_config('site', 'name'));
- common_element_start('sioc:container_of');
- common_element('sioc:Container', array('rdf:about' =>
+ $this->elementStart('sioc:Site', array('rdf:about' => common_root_url()));
+ $this->element('sioc:name', null, common_config('site', 'name'));
+ $this->elementStart('sioc:space_of');
+ $this->element('sioc:Container', array('rdf:about' =>
$channel['url']));
- common_element_end('sioc:container_of');
- common_element_end('sioc:Site');
+ $this->elementEnd('sioc:space_of');
+ $this->elementEnd('sioc:Site');
}
- function end_rss()
+ function endRss()
{
- common_element_end('rdf:RDF');
+ $this->elementEnd('rdf:RDF');
+ }
+
+ /**
+ * When was this page last modified?
+ *
+ */
+
+ function lastModified()
+ {
+ if (empty($this->notices)) {
+ return null;
+ }
+
+ if (count($this->notices) == 0) {
+ return null;
+ }
+
+ // FIXME: doesn't handle modified profiles, avatars, deleted notices
+
+ return strtotime($this->notices[0]->created);
}
}
+