266 lines
7.5 KiB
PHP
266 lines
7.5 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Action for displaying the public stream
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Public
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @copyright 2008-2009 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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require_once INSTALLDIR.'/lib/publicgroupnav.php';
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require_once INSTALLDIR.'/lib/noticelist.php';
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require_once INSTALLDIR.'/lib/feedlist.php';
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/**
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* Action for displaying the public stream
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*
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* @category Public
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*
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* @see PublicrssAction
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* @see PublicxrdsAction
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*/
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class PublicAction extends Action
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{
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/**
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* page of the stream we're on; default = 1
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*/
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var $page = null;
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/**
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* Number of notices being shown on this page.
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*/
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// Does this need to be here? Should it be?
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// If it does, this property needs to be
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// added to other actions as well, like $page.
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// I'm trying to find a way to capture the
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// output of the $cnt variable from this
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// action's showContent() method but need
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// to do so earlier, I think...?
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var $count = null;
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function isReadOnly()
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{
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return true;
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}
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/**
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* Read and validate arguments
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*
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* @param array $args URL parameters
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*
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* @return boolean success value
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
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common_set_returnto($this->selfUrl());
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return true;
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}
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/**
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* handle request
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*
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* Show the public stream, using recipe method showPage()
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*
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* @param array $args arguments, mostly unused
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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header('X-XRDS-Location: '. common_local_url('publicxrds'));
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$this->showPage();
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}
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/**
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* Title of the page
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*
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* @return page title, including page number if over 1
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*/
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function title()
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{
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if ($this->page > 1) {
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return sprintf(_('Public timeline, page %d'), $this->page);
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} else {
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return _('Public timeline');
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}
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}
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/**
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* Output <head> elements for RSS and Atom feeds
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*
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* @return void
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*/
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function getFeeds()
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{
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return array(new Feed(Feed::RSS1, common_local_url('publicrss'),
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_('Public Stream Feed (RSS 1.0)')),
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new Feed(Feed::RSS2,
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common_local_url('api',
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array('apiaction' => 'statuses',
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'method' => 'public_timeline.rss')),
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_('Public Stream Feed (RSS 2.0)')),
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new Feed(Feed::ATOM,
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common_local_url('api',
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array('apiaction' => 'statuses',
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'method' => 'public_timeline.atom')),
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_('Public Stream Feed (Atom)')));
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}
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/**
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* Output document relationship links
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*
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* @return void
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*/
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function showRelationshipLinks()
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{
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$this->sequenceRelationships($this->page > 1, $this->count > NOTICES_PER_PAGE, // FIXME
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$this->page, 'public');
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}
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/**
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* Extra head elements
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*
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* We include a <meta> element linking to the publicxrds page, for OpenID
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* client-side authentication.
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*
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* @return void
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*/
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function extraHead()
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{
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// for client side of OpenID authentication
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$this->element('meta', array('http-equiv' => 'X-XRDS-Location',
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'content' => common_local_url('publicxrds')));
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}
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/**
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* Show tabset for this page
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*
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* Uses the PublicGroupNav widget
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*
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* @return void
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* @see PublicGroupNav
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*/
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function showLocalNav()
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{
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$nav = new PublicGroupNav($this);
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$nav->show();
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}
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function showEmptyList()
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{
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$message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
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if (common_logged_in()) {
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$message .= _('Be the first to post!');
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}
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else {
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$message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
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}
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$this->elementStart('div', 'guide');
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$this->raw(common_markup_to_html($message));
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$this->elementEnd('div');
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}
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/**
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* Fill the content area
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*
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* Shows a list of the notices in the public stream, with some pagination
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* controls.
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*
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* @return void
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*/
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function showContent()
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{
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$notice = Notice::publicStream(($this->page-1)*NOTICES_PER_PAGE,
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NOTICES_PER_PAGE + 1);
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if (!$notice) {
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$this->serverError(_('Could not retrieve public stream.'));
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return;
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}
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$nl = new NoticeList($notice, $this);
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$cnt = $nl->show();
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if ($cnt == 0) {
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$this->showEmptyList();
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}
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$this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
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$this->page, 'public');
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}
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function showSections()
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{
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// $top = new TopPostersSection($this);
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// $top->show();
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$pop = new PopularNoticeSection($this);
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$pop->show();
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$gbp = new GroupsByPostsSection($this);
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$gbp->show();
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$feat = new FeaturedUsersSection($this);
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$feat->show();
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}
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function showAnonymousMessage()
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{
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if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
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$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
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'based on the Free Software [Laconica](http://laconi.ca/) tool. ' .
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'[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ([Read more](%%doc.help%%))');
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} else {
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$m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
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'based on the Free Software [Laconica](http://laconi.ca/) tool.');
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}
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$this->elementStart('div', array('id' => 'anon_notice'));
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$this->raw(common_markup_to_html($m));
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$this->elementEnd('div');
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}
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}
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