3 * StatusNet, the distributed open-source microblogging tool
5 * Action for displaying the public stream
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@status.net>
25 * @copyright 2008-2009 StatusNet, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://status.net/
30 if (!defined('GNUSOCIAL')) { exit(1); }
32 // Farther than any human will go
34 define('MAX_PUBLIC_PAGE', 100);
37 * Action for displaying the public stream
41 * @author Evan Prodromou <evan@status.net>
42 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
43 * @link http://status.net/
45 * @see PublicrssAction
46 * @see PublicxrdsAction
48 class PublicAction extends ManagedAction
51 * page of the stream we're on; default = 1
57 protected $stream = null;
59 function isReadOnly($args)
64 protected function doPreparation()
66 $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
68 if ($this->page > MAX_PUBLIC_PAGE) {
69 // TRANS: Client error displayed when requesting a public timeline page beyond the page limit.
70 // TRANS: %s is the page limit.
71 $this->clientError(sprintf(_('Beyond the page limit (%s).'), MAX_PUBLIC_PAGE));
74 common_set_returnto($this->selfUrl());
76 $this->streamPrepare();
78 $this->notice = $this->stream->getNotices(($this->page-1)*NOTICES_PER_PAGE,
79 NOTICES_PER_PAGE + 1);
82 // TRANS: Server error displayed when a public timeline cannot be retrieved.
83 $this->serverError(_('Could not retrieve public timeline.'));
86 if ($this->page > 1 && $this->notice->N == 0){
87 // TRANS: Client error when page not found (404).
88 $this->clientError(_('No such page.'), 404);
94 protected function streamPrepare()
96 if ($this->scoped instanceof Profile && $this->scoped->isLocal() && $this->scoped->getUser()->streamModeOnly()) {
97 $this->stream = new PublicNoticeStream($this->scoped);
99 $this->stream = new ThreadingPublicNoticeStream($this->scoped);
106 * @return page title, including page number if over 1
110 if ($this->page > 1) {
111 // TRANS: Title for all public timeline pages but the first.
112 // TRANS: %d is the page number.
113 return sprintf(_('Public timeline, page %d'), $this->page);
115 // TRANS: Title for the first public timeline page.
116 return _('Public timeline');
123 $this->element('meta', array('http-equiv' => 'X-XRDS-Location',
124 'content' => common_local_url('publicxrds')));
126 $rsd = common_local_url('rsd');
128 // RSD, http://tales.phrasewise.com/rfc/rsd
130 $this->element('link', array('rel' => 'EditURI',
131 'type' => 'application/rsd+xml',
134 if ($this->page != 1) {
135 $this->element('link', array('rel' => 'canonical',
136 'href' => common_local_url('public')));
141 * Output <head> elements for RSS and Atom feeds
147 return array(new Feed(Feed::JSON,
148 common_local_url('ApiTimelinePublic',
149 array('format' => 'as')),
150 // TRANS: Link description for public timeline feed.
151 _('Public Timeline Feed (Activity Streams JSON)')),
152 new Feed(Feed::RSS1, common_local_url('publicrss'),
153 // TRANS: Link description for public timeline feed.
154 _('Public Timeline Feed (RSS 1.0)')),
156 common_local_url('ApiTimelinePublic',
157 array('format' => 'rss')),
158 // TRANS: Link description for public timeline feed.
159 _('Public Timeline Feed (RSS 2.0)')),
161 common_local_url('ApiTimelinePublic',
162 array('format' => 'atom')),
163 // TRANS: Link description for public timeline feed.
164 _('Public Timeline Feed (Atom)')));
167 function showEmptyList()
169 // TRANS: Text displayed for public feed when there are no public notices.
170 $message = _('This is the public timeline for %%site.name%% but no one has posted anything yet.') . ' ';
172 if (common_logged_in()) {
173 // TRANS: Additional text displayed for public feed when there are no public notices for a logged in user.
174 $message .= _('Be the first to post!');
177 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
178 // TRANS: Additional text displayed for public feed when there are no public notices for a not logged in user.
179 $message .= _('Why not [register an account](%%action.register%%) and be the first to post!');
183 $this->elementStart('div', 'guide');
184 $this->raw(common_markup_to_html($message));
185 $this->elementEnd('div');
189 * Fill the content area
191 * Shows a list of the notices in the public stream, with some pagination
196 function showContent()
198 if ($this->scoped instanceof Profile && $this->scoped->isLocal() && $this->scoped->getUser()->streamModeOnly()) {
199 $nl = new PrimaryNoticeList($this->notice, $this, array('show_n'=>NOTICES_PER_PAGE));
201 $nl = new ThreadedNoticeList($this->notice, $this, $this->scoped);
207 $this->showEmptyList();
210 $this->pagination($this->page > 1, $cnt > NOTICES_PER_PAGE,
211 $this->page, $this->action);
214 function showSections()
216 // Show invite button, as long as site isn't closed, and
217 // we have a logged in user.
218 if (common_config('invite', 'enabled') && !common_config('site', 'closed') && common_logged_in()) {
219 if (!common_config('site', 'private')) {
220 $ibs = new InviteButtonSection(
222 // TRANS: Button text for inviting more users to the StatusNet instance.
223 // TRANS: Less business/enterprise-oriented language for public sites.
224 _m('BUTTON', 'Send invite')
227 $ibs = new InviteButtonSection($this);
232 $p = Profile::current();
234 if (!common_config('performance', 'high')) {
235 $cloud = new PublicTagCloudSection($this);
238 $feat = new FeaturedUsersSection($this);
242 function showAnonymousMessage()
244 if (! (common_config('site','closed') || common_config('site','inviteonly'))) {
245 // TRANS: Message for not logged in users at an invite-only site trying to view the public feed of notices.
246 // TRANS: This message contains Markdown links. Please mind the formatting.
247 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
248 'based on the Free Software [StatusNet](http://status.net/) tool. ' .
249 '[Join now](%%action.register%%) to share notices about yourself with friends, family, and colleagues! ' .
250 '([Read more](%%doc.help%%))');
252 // TRANS: Message for not logged in users at a closed site trying to view the public feed of notices.
253 // TRANS: This message contains Markdown links. Please mind the formatting.
254 $m = _('This is %%site.name%%, a [micro-blogging](http://en.wikipedia.org/wiki/Micro-blogging) service ' .
255 'based on the Free Software [StatusNet](http://status.net/) tool.');
257 $this->elementStart('div', array('id' => 'anon_notice'));
258 $this->raw(common_markup_to_html($m));
259 $this->elementEnd('div');