forked from GNUsocial/gnu-social
319 lines
9.5 KiB
PHP
319 lines
9.5 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Show the public timeline
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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 API
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @author Evan Prodromou <evan@status.net>
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* @author Jeffery To <jeffery.to@gmail.com>
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* @author mac65 <mac65@mac65.com>
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* @author Mike Cochrane <mikec@mikenz.geek.nz>
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* @author Robin Millette <robin@millette.info>
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* @author Zach Copley <zach@status.net>
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* @copyright 2009 StatusNet, Inc.
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* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
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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://status.net/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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require_once INSTALLDIR . '/lib/apiprivateauth.php';
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/**
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* Returns the most recent notices (default 20) posted by everybody
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*
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* @category API
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @author Evan Prodromou <evan@status.net>
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* @author Jeffery To <jeffery.to@gmail.com>
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* @author mac65 <mac65@mac65.com>
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* @author Mike Cochrane <mikec@mikenz.geek.nz>
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* @author Robin Millette <robin@millette.info>
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* @author Zach Copley <zach@status.net>
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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://status.net/
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*/
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/* External API usage documentation. Please update when you change how this method works. */
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/*! @page publictimeline statuses/public_timeline
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@section Description
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Returns the 20 most recent notices from users throughout the system who have
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uploaded their own avatars. Depending on configuration, it may or may not
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not include notices from automatic posting services.
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@par URL patterns
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@li /api/statuses/public_timeline.:format
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@par Formats (:format)
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xml, json, rss, atom
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@par HTTP Method(s)
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GET
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@par Requires Authentication
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No
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@param since_id (Optional) Returns only statuses with an ID greater
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than (that is, more recent than) the specified ID.
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@param max_id (Optional) Returns only statuses with an ID less than
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(that is, older than) or equal to the specified ID.
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@param count (Optional) Specifies the number of statuses to retrieve.
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@param page (Optional) Specifies the page of results to retrieve.
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@sa @ref apiroot
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@subsection usagenotes Usage notes
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@li The URL pattern is relative to the @ref apiroot.
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@li The XML response uses <a href="http://georss.org/Main_Page">GeoRSS</a>
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to encode the latitude and longitude (see example response below <georss:point>).
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@subsection exampleusage Example usage
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@verbatim
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curl http://identi.ca/api/statuses/friends_timeline/evan.xml?count=1&page=2
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@endverbatim
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@subsection exampleresponse Example response
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@verbatim
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<?xml version="1.0" encoding="UTF-8"?>
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<statuses type="array">
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<status>
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<text>@skwashd oh, commbank reenabled me super quick both times. but disconcerting when you don't expect it though</text>
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<truncated>false</truncated>
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<created_at>Sat Apr 17 00:49:12 +0000 2010</created_at>
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<in_reply_to_status_id>28838393</in_reply_to_status_id>
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<source>xmpp</source>
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<id>28838456</id>
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<in_reply_to_user_id>39303</in_reply_to_user_id>
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<in_reply_to_screen_name>skwashd</in_reply_to_screen_name>
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<geo></geo>
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<favorited>false</favorited>
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<user>
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<id>44517</id>
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<name>joshua may</name>
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<screen_name>notjosh</screen_name>
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<location></location>
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<description></description>
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<profile_image_url>http://avatar.identi.ca/44517-48-20090321004106.jpeg</profile_image_url>
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<url></url>
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<protected>false</protected>
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<followers_count>17</followers_count>
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<profile_background_color></profile_background_color>
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<profile_text_color></profile_text_color>
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<profile_link_color></profile_link_color>
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<profile_sidebar_fill_color></profile_sidebar_fill_color>
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<profile_sidebar_border_color></profile_sidebar_border_color>
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<friends_count>20</friends_count>
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<created_at>Sat Mar 21 00:40:25 +0000 2009</created_at>
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<favourites_count>0</favourites_count>
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<utc_offset>0</utc_offset>
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<time_zone>UTC</time_zone>
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<profile_background_image_url></profile_background_image_url>
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<profile_background_tile>false</profile_background_tile>
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<statuses_count>100</statuses_count>
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<following>false</following>
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<notifications>false</notifications>
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</user>
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</status>
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[....]
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</statuses>
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@endverbatim
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*/
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class ApiTimelinePublicAction extends ApiPrivateAuthAction
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{
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var $notices = null;
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/**
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* Take arguments for running
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*
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* @param array $args $_REQUEST args
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*
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* @return boolean success flag
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*
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*/
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function prepare($args)
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{
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parent::prepare($args);
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$this->notices = $this->getNotices();
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return true;
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}
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/**
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* Handle the request
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*
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* Just show the notices
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*
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* @param array $args $_REQUEST data (unused)
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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$this->showTimeline();
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}
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/**
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* Show the timeline of notices
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*
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* @return void
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*/
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function showTimeline()
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{
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$sitename = common_config('site', 'name');
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$sitelogo = (common_config('site', 'logo')) ? common_config('site', 'logo') : Theme::path('logo.png');
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// TRANS: Title for site timeline. %s is the StatusNet sitename.
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$title = sprintf(_("%s public timeline"), $sitename);
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$taguribase = TagURI::base();
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$id = "tag:$taguribase:PublicTimeline";
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$link = common_local_url('public');
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$self = $this->getSelfUri();
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// TRANS: Subtitle for site timeline. %s is the StatusNet sitename.
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$subtitle = sprintf(_("%s updates from everyone!"), $sitename);
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switch($this->format) {
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case 'xml':
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$this->showXmlTimeline($this->notices);
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break;
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case 'rss':
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$this->showRssTimeline(
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$this->notices,
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$title,
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$link,
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$subtitle,
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null,
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$sitelogo,
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$self
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);
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break;
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case 'atom':
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header('Content-Type: application/atom+xml; charset=utf-8');
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$atom = new AtomNoticeFeed($this->auth_user);
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$atom->setId($id);
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$atom->setTitle($title);
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$atom->setSubtitle($subtitle);
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$atom->setLogo($sitelogo);
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$atom->setUpdated('now');
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$atom->addLink(common_local_url('public'));
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$atom->setSelfLink($self);
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$atom->addEntryFromNotices($this->notices);
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$this->raw($atom->getString());
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break;
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case 'json':
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$this->showJsonTimeline($this->notices);
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break;
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default:
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// TRANS: Client error displayed when trying to handle an unknown API method.
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$this->clientError(_('API method not found.'), $code = 404);
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break;
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}
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}
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/**
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* Get notices
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*
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* @return array notices
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*/
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function getNotices()
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{
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$notices = array();
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$notice = Notice::publicStream(
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($this->page - 1) * $this->count, $this->count, $this->since_id,
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$this->max_id
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);
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while ($notice->fetch()) {
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$notices[] = clone($notice);
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}
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return $notices;
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}
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/**
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* Is this action read only?
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*
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* @param array $args other arguments
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*
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* @return boolean true
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*/
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function isReadOnly($args)
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{
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return true;
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}
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/**
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* When was this feed last modified?
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*
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* @return string datestamp of the latest notice in the stream
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*/
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function lastModified()
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{
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if (!empty($this->notices) && (count($this->notices) > 0)) {
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return strtotime($this->notices[0]->created);
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}
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return null;
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}
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/**
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* An entity tag for this stream
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*
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* Returns an Etag based on the action name, language, and
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* timestamps of the first and last notice in the timeline
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*
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* @return string etag
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*/
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function etag()
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{
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if (!empty($this->notices) && (count($this->notices) > 0)) {
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$last = count($this->notices) - 1;
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return '"' . implode(
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':',
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array($this->arg('action'),
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common_user_cache_hash($this->auth_user),
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common_language(),
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strtotime($this->notices[0]->created),
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strtotime($this->notices[$last]->created))
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)
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. '"';
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}
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return null;
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}
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}
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