gnu-social/lib/sitestreamaction.php

183 lines
6.7 KiB
PHP

<?php
if (!defined('GNUSOCIAL')) { exit(1); }
// Farther than any human will go
define('MAX_PUBLIC_PAGE', 100);
class SitestreamAction extends ManagedAction
{
/**
* page of the stream we're on; default = 1
*/
var $page = null;
var $notice;
protected $stream = null;
function isReadOnly($args)
{
return true;
}
protected function doPreparation()
{
$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
if ($this->page > MAX_PUBLIC_PAGE) {
// TRANS: Client error displayed when requesting a public timeline page beyond the page limit.
// TRANS: %s is the page limit.
$this->clientError(sprintf(_('Beyond the page limit (%s).'), MAX_PUBLIC_PAGE));
}
common_set_returnto($this->selfUrl());
$this->streamPrepare();
$this->notice = $this->stream->getNotices(($this->page-1)*NOTICES_PER_PAGE,
NOTICES_PER_PAGE + 1);
if (!$this->notice) {
// TRANS: Server error displayed when a public timeline cannot be retrieved.
$this->serverError(_('Could not retrieve public timeline.'));
}
if ($this->page > 1 && $this->notice->N == 0){
// TRANS: Client error when page not found (404).
$this->clientError(_('No such page.'), 404);
}
return true;
}
/**
* Title of the page
*
* @return page title, including page number if over 1
*/
function title()
{
if ($this->page > 1) {
// TRANS: Title for all public timeline pages but the first.
// TRANS: %d is the page number.
return sprintf(_('Public timeline, page %d'), $this->page);
} else {
// TRANS: Title for the first public timeline page.
return _('Public timeline');
}
}
function extraHead()
{
parent::extraHead();
$rsd = common_local_url('rsd');
// RSD, http://tales.phrasewise.com/rfc/rsd
$this->element('link', array('rel' => 'EditURI',
'type' => 'application/rsd+xml',
'href' => $rsd));
if ($this->page != 1) {
$this->element('link', array('rel' => 'canonical',
'href' => common_local_url('public')));
}
}
/**
* Output <head> elements for RSS and Atom feeds
*
* @return void
*/
function getFeeds()
{
return array(new Feed(Feed::JSON,
common_local_url('ApiTimelinePublic',
array('format' => 'as')),
// TRANS: Link description for public timeline feed.
_('Public Timeline Feed (Activity Streams JSON)')),
new Feed(Feed::RSS1, common_local_url('publicrss'),
// TRANS: Link description for public timeline feed.
_('Public Timeline Feed (RSS 1.0)')),
new Feed(Feed::RSS2,
common_local_url('ApiTimelinePublic',
array('format' => 'rss')),
// TRANS: Link description for public timeline feed.
_('Public Timeline Feed (RSS 2.0)')),
new Feed(Feed::ATOM,
common_local_url('ApiTimelinePublic',
array('format' => 'atom')),
// TRANS: Link description for public timeline feed.
_('Public Timeline Feed (Atom)')));
}
function showEmptyList()
{
// TRANS: Text displayed for public feed when there are no public notices.
$message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
if (common_logged_in()) {
// TRANS: Additional text displayed for public feed when there are no public notices for a logged in user.
$message .= _('Be the first to post!');
}
else {
if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
// TRANS: Additional text displayed for public feed when there are no public notices for a not logged in user.
$message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
}
}
$this->elementStart('div', 'guide');
$this->raw(common_markup_to_html($message));
$this->elementEnd('div');
}
/**
* Fill the content area
*
* Shows a list of the notices in the public stream, with some pagination
* controls.
*
* @return void
*/
function showContent()
{
if ($this->scoped instanceof Profile && $this->scoped->isLocal() && $this->scoped->getUser()->streamModeOnly()) {
$nl = new PrimaryNoticeList($this->notice, $this, array('show_n'=>NOTICES_PER_PAGE));
} else {
$nl = new ThreadedNoticeList($this->notice, $this, $this->scoped);
}
$cnt = $nl->show();
if ($cnt == 0) {
$this->showEmptyList();
}
$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
$this->page, $this->action);
}
function showAnonymousMessage()
{
if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
// TRANS: Message for not logged in users at an invite-only site trying to view the public feed of notices.
// TRANS: This message contains Markdown links. Please mind the formatting.
$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
'based on the Free Software [StatusNet](http://status.net/) tool. ' .
'[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ' .
'([Read more](%%doc.help%%))');
} else {
// TRANS: Message for not logged in users at a closed site trying to view the public feed of notices.
// TRANS: This message contains Markdown links. Please mind the formatting.
$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
'based on the Free Software [StatusNet](http://status.net/) tool.');
}
$this->elementStart('div', array('id' => 'anon_notice'));
$this->raw(common_markup_to_html($m));
$this->elementEnd('div');
}
}