<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @since 1.23
*/
/**
* Recent changes feed.
*
* @ingroup API
*/
class ApiFeedRecentChanges extends ApiBase {
/**
* This module uses a custom feed wrapper printer.
*
* @return ApiFormatFeedWrapper
*/
public function getCustomPrinter() {
return new ApiFormatFeedWrapper( $this->getMain() );
}
/**
* Format the rows (generated by SpecialRecentchanges or SpecialRecentchangeslinked)
* as an RSS/Atom feed.
*/
public function execute() {
$config = $this->getConfig();
$this->params = $this->extractRequestParams();
if ( !$config->get( 'Feed' ) ) {
$this->dieUsage( 'Syndication feeds are not available', 'feed-unavailable' );
}
$feedClasses = $config->get( 'FeedClasses' );
if ( !isset( $feedClasses[$this->params['feedformat']] ) ) {
$this->dieUsage( 'Invalid subscription feed type', 'feed-invalid' );
}
$this->getMain()->setCacheMode( 'public' );
if ( !$this->getMain()->getParameter( 'smaxage' ) ) {
// bug 63249: This page gets hit a lot, cache at least 15 seconds.
$this->getMain()->setCacheMaxAge( 15 );
}
$feedFormat = $this->params['feedformat'];
$specialClass = $this->params['target'] !== null
? 'SpecialRecentchangeslinked'
: 'SpecialRecentchanges';
$formatter = $this->getFeedObject( $feedFormat, $specialClass );
// Parameters are passed via the request in the context… :(
$context = new DerivativeContext( $this );
$context->setRequest( new DerivativeRequest(
$this->getRequest(),
$this->params,
$this->getRequest()->wasPosted()
) );
// The row-getting functionality should be factored out of ChangesListSpecialPage too…
$rc = new $specialClass();
$rc->setContext( $context );
$rows = $rc->getRows();
$feedItems = $rows ? ChangesFeed::buildItems( $rows ) : array();
ApiFormatFeedWrapper::setResult( $this->getResult(), $formatter, $feedItems );
}
/**
* Return a ChannelFeed object.
*
* @param string $feedFormat Feed's format (either 'rss' or 'atom')
* @param string $specialClass Relevant special page name (either 'SpecialRecentchanges' or
* 'SpecialRecentchangeslinked')
* @return ChannelFeed
*/
public function getFeedObject( $feedFormat, $specialClass ) {
if ( $specialClass === 'SpecialRecentchangeslinked' ) {
$title = Title::newFromText( $this->params['target'] );
if ( !$title ) {
$this->dieUsageMsg( array( 'invalidtitle', $this->params['target'] ) );
}
$feed = new ChangesFeed( $feedFormat, false );
$feedObj = $feed->getFeedObject(
$this->msg( 'recentchangeslinked-title', $title->getPrefixedText() )
->inContentLanguage()->text(),
$this->msg( 'recentchangeslinked-feed' )->inContentLanguage()->text(),
SpecialPage::getTitleFor( 'Recentchangeslinked' )->getFullURL()
);
} else {
$feed = new ChangesFeed( $feedFormat, 'rcfeed' );
$feedObj = $feed->getFeedObject(
$this->msg( 'recentchanges' )->inContentLanguage()->text(),
$this->msg( 'recentchanges-feed-description' )->inContentLanguage()->text(),
SpecialPage::getTitleFor( 'Recentchanges' )->getFullURL()
);
}
return $feedObj;
}
public function getAllowedParams() {
$config = $this->getConfig();
$feedFormatNames = array_keys( $config->get( 'FeedClasses' ) );
$ret = array(
'feedformat' => array(
ApiBase::PARAM_DFLT => 'rss',
ApiBase::PARAM_TYPE => $feedFormatNames,
),
'namespace' => array(
ApiBase::PARAM_TYPE => 'namespace',
),
'invert' => false,
'associated' => false,
'days' => array(
ApiBase::PARAM_DFLT => 7,
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_TYPE => 'integer',
),
'limit' => array(
ApiBase::PARAM_DFLT => 50,
ApiBase::PARAM_MIN => 1,
ApiBase::PARAM_MAX => $config->get( 'FeedLimit' ),
ApiBase::PARAM_TYPE => 'integer',
),
'from' => array(
ApiBase::PARAM_TYPE => 'timestamp',
),
'hideminor' => false,
'hidebots' => false,
'hideanons' => false,
'hideliu' => false,
'hidepatrolled' => false,
'hidemyself' => false,
'onlynew' => false,
'onlypatrolled' => false,
'hideredirect' => false,
'tagfilter' => array(
ApiBase::PARAM_TYPE => 'string',
),
'target' => array(
ApiBase::PARAM_TYPE => 'string',
),
'showlinkedto' => false,
);
if ( $config->get( 'AllowCategorizedRecentChanges' ) ) {
$ret += array(
'categories' => array(
ApiBase::PARAM_TYPE => 'string',
ApiBase::PARAM_ISMULTI => true,
),
'categories_any' => false,
);
}
return $ret;
}
protected function getExamplesMessages() {
return array(
'action=feedrecentchanges'
=> 'apihelp-feedrecentchanges-example-simple',
'action=feedrecentchanges&days=30'
=> 'apihelp-feedrecentchanges-example-30days',
);
}
}