() are valid in URLs, not sure why we're using them as a finishing point in ApiFormatBase
[lhc/web/wiklou.git] / includes / api / ApiFeedWatchlist.php
index 346de65..eee8fa1 100644 (file)
@@ -1,11 +1,10 @@
 <?php
-
-/*
- * Created on Oct 13, 2006
+/**
  *
- * API for MediaWiki 1.8+
  *
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on Oct 13, 2006
+ *
+ * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
  *
  * 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
  *
  * 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
  */
 
-if (!defined('MEDIAWIKI')) {
-       // Eclipse helper - will be ignored in production
-       require_once ("ApiBase.php");
-}
-
 /**
  * This action allows users to get their watchlist items in RSS/Atom formats.
  * When executed, it performs a nested call to the API to get the needed data,
  * and formats it in a proper format.
  *
- * @addtogroup API
+ * @ingroup API
  */
 class ApiFeedWatchlist extends ApiBase {
 
-       public function __construct($main, $action) {
-               parent :: __construct($main, $action);
+       public function __construct( $main, $action ) {
+               parent::__construct( $main, $action );
        }
 
        /**
         * This module uses a custom feed wrapper printer.
+        *
+        * @return ApiFormatFeedWrapper
         */
        public function getCustomPrinter() {
-               return new ApiFormatFeedWrapper($this->getMain());
+               return new ApiFormatFeedWrapper( $this->getMain() );
        }
 
+       private $linkToDiffs = false;
+
        /**
         * Make a nested call to the API to request watchlist items in the last $hours.
         * Wrap the result as an RSS/Atom feed.
         */
        public function execute() {
-
-               global $wgFeedClasses, $wgFeedLimit, $wgSitename, $wgContLanguageCode;
+               global $wgFeed, $wgFeedClasses, $wgFeedLimit, $wgSitename, $wgLanguageCode;
 
                try {
                        $params = $this->extractRequestParams();
 
+                       if( !$wgFeed ) {
+                               $this->dieUsage( 'Syndication feeds are not available', 'feed-unavailable' );
+                       }
+
+                       if( !isset( $wgFeedClasses[ $params['feedformat'] ] ) ) {
+                               $this->dieUsage( 'Invalid subscription feed type', 'feed-invalid' );
+                       }
+                       if ( !is_null( $params['wlexcludeuser'] ) ) {
+                               $fauxReqArr['wlexcludeuser'] = $params['wlexcludeuser'];
+                       }
+
                        // limit to the number of hours going from now back
-                       $endTime = wfTimestamp(TS_MW, time() - intval($params['hours'] * 60 * 60));
+                       $endTime = wfTimestamp( TS_MW, time() - intval( $params['hours'] * 60 * 60 ) );
 
-                       $dbr = wfGetDB( DB_SLAVE );
                        // Prepare parameters for nested request
-                       $fauxReqArr = array (
+                       $fauxReqArr = array(
                                'action' => 'query',
                                'meta' => 'siteinfo',
                                'siprop' => 'general',
                                'list' => 'watchlist',
                                'wlprop' => 'title|user|comment|timestamp',
-                               'wldir' => 'older',             // reverse order - from newest to oldest
-                               'wlend' => $dbr->timestamp($endTime),   // stop at this time
-                               'wllimit' => (50 > $wgFeedLimit) ? $wgFeedLimit : 50
+                               'wldir' => 'older', // reverse order - from newest to oldest
+                               'wlend' => $endTime, // stop at this time
+                               'wllimit' => ( 50 > $wgFeedLimit ) ? $wgFeedLimit : 50
                        );
 
+                       if ( !is_null( $params['wlowner'] ) ) {
+                               $fauxReqArr['wlowner'] = $params['wlowner'];
+                       }
+                       if ( !is_null( $params['wltoken'] ) ) {
+                               $fauxReqArr['wltoken'] = $params['wltoken'];
+                       }
+
+                       // Support linking to diffs instead of article
+                       if ( $params['linktodiffs'] ) {
+                               $this->linkToDiffs = true;
+                               $fauxReqArr['wlprop'] .= '|ids';
+                       }
+
                        // Check for 'allrev' parameter, and if found, show all revisions to each page on wl.
-                       if ( ! is_null ( $params['allrev'] ) )  $fauxReqArr['wlallrev'] = '';
+                       if ( $params['allrev'] ) {
+                               $fauxReqArr['wlallrev'] = '';
+                       }
 
                        // Create the request
-                       $fauxReq = new FauxRequest ( $fauxReqArr );
+                       $fauxReq = new FauxRequest( $fauxReqArr );
 
                        // Execute
-                       $module = new ApiMain($fauxReq);
+                       $module = new ApiMain( $fauxReq );
                        $module->execute();
 
                        // Get data array
                        $data = $module->getResultData();
 
-                       $feedItems = array ();
-                       foreach ($data['query']['watchlist'] as $info) {
-                               $feedItems[] = $this->createFeedItem($info);
+                       $feedItems = array();
+                       foreach ( (array)$data['query']['watchlist'] as $info ) {
+                               $feedItems[] = $this->createFeedItem( $info );
                        }
 
-                       $feedTitle = $wgSitename . ' - ' . wfMsgForContent('watchlist') . ' [' . $wgContLanguageCode . ']';
-                       $feedUrl = SpecialPage::getTitleFor( 'Watchlist' )->getFullUrl();
+                       $msg = wfMsgForContent( 'watchlist' );
 
-                       $feed = new $wgFeedClasses[$params['feedformat']] ($feedTitle, htmlspecialchars(wfMsgForContent('watchlist')), $feedUrl);
+                       $feedTitle = $wgSitename . ' - ' . $msg . ' [' . $wgLanguageCode . ']';
+                       $feedUrl = SpecialPage::getTitleFor( 'Watchlist' )->getFullURL();
 
-                       ApiFormatFeedWrapper :: setResult($this->getResult(), $feed, $feedItems);
+                       $feed = new $wgFeedClasses[$params['feedformat']] ( $feedTitle, htmlspecialchars( $msg ), $feedUrl );
 
-               } catch (Exception $e) {
+                       ApiFormatFeedWrapper::setResult( $this->getResult(), $feed, $feedItems );
 
-                       // Error results should not be cached
-                       $this->getMain()->setCacheMaxAge(0);
+               } catch ( Exception $e ) {
 
-                       $feedTitle = $wgSitename . ' - Error - ' . wfMsgForContent('watchlist') . ' [' . $wgContLanguageCode . ']';
-                       $feedUrl = SpecialPage::getTitleFor( 'Watchlist' )->getFullUrl();
+                       // Error results should not be cached
+                       $this->getMain()->setCacheMaxAge( 0 );
 
-                       $feedFormat = isset($params['feedformat']) ? $params['feedformat'] : 'rss';
-                       $feed = new $wgFeedClasses[$feedFormat] ($feedTitle, htmlspecialchars(wfMsgForContent('watchlist')), $feedUrl);
+                       $feedTitle = $wgSitename . ' - Error - ' . wfMsgForContent( 'watchlist' ) . ' [' . $wgLanguageCode . ']';
+                       $feedUrl = SpecialPage::getTitleFor( 'Watchlist' )->getFullURL();
 
+                       $feedFormat = isset( $params['feedformat'] ) ? $params['feedformat'] : 'rss';
+                       $feed = new $wgFeedClasses[$feedFormat] ( $feedTitle, htmlspecialchars( wfMsgForContent( 'watchlist' ) ), $feedUrl );
 
-                       if ($e instanceof UsageException) {
+                       if ( $e instanceof UsageException ) {
                                $errorCode = $e->getCodeString();
                        } else {
                                // Something is seriously wrong
@@ -120,60 +145,94 @@ class ApiFeedWatchlist extends ApiBase {
                        }
 
                        $errorText = $e->getMessage();
-                       $feedItems[] = new FeedItem("Error ($errorCode)", $errorText, "", "", "");
-                       ApiFormatFeedWrapper :: setResult($this->getResult(), $feed, $feedItems);
+                       $feedItems[] = new FeedItem( "Error ($errorCode)", $errorText, '', '', '' );
+                       ApiFormatFeedWrapper::setResult( $this->getResult(), $feed, $feedItems );
                }
        }
 
-       private function createFeedItem($info) {
+       /**
+        * @param $info array
+        * @return FeedItem
+        */
+       private function createFeedItem( $info ) {
                $titleStr = $info['title'];
-               $title = Title :: newFromText($titleStr);
-               $titleUrl = $title->getFullUrl();
+               $title = Title::newFromText( $titleStr );
+               if ( $this->linkToDiffs && isset( $info['revid'] ) ) {
+                       $titleUrl = $title->getFullURL( array( 'diff' => $info['revid'] ) );
+               } else {
+                       $titleUrl = $title->getFullURL();
+               }
                $comment = isset( $info['comment'] ) ? $info['comment'] : null;
                $timestamp = $info['timestamp'];
                $user = $info['user'];
 
                $completeText = "$comment ($user)";
 
-               return new FeedItem($titleStr, $completeText, $titleUrl, $timestamp, $user);
+               return new FeedItem( $titleStr, $completeText, $titleUrl, $timestamp, $user );
        }
 
        public function getAllowedParams() {
                global $wgFeedClasses;
-               $feedFormatNames = array_keys($wgFeedClasses);
+               $feedFormatNames = array_keys( $wgFeedClasses );
                return array (
-                       'feedformat' => array (
-                               ApiBase :: PARAM_DFLT => 'rss',
-                               ApiBase :: PARAM_TYPE => $feedFormatNames
+                       'feedformat' => array(
+                               ApiBase::PARAM_DFLT => 'rss',
+                               ApiBase::PARAM_TYPE => $feedFormatNames
+                       ),
+                       'hours' => array(
+                               ApiBase::PARAM_DFLT => 24,
+                               ApiBase::PARAM_TYPE => 'integer',
+                               ApiBase::PARAM_MIN => 1,
+                               ApiBase::PARAM_MAX => 72,
                        ),
-                       'hours' => array (
-                               ApiBase :: PARAM_DFLT => 24,
-                               ApiBase :: PARAM_TYPE => 'integer',
-                               ApiBase :: PARAM_MIN => 1,
-                               ApiBase :: PARAM_MAX => 72,
+                       'allrev' => false,
+                       'wlowner' => array(
+                               ApiBase::PARAM_TYPE => 'user'
                        ),
-                       'allrev' => null
+                       'wltoken' => array(
+                               ApiBase::PARAM_TYPE => 'string'
+                       ),
+                       'wlexcludeuser' => array(
+                               ApiBase::PARAM_TYPE => 'user'
+                       ),
+                       'linktodiffs' => false,
                );
        }
 
        public function getParamDescription() {
-               return array (
+               return array(
                        'feedformat' => 'The format of the feed',
                        'hours'      => 'List pages modified within this many hours from now',
-                       'allrev'     => 'Include multiple revisions of the same page within given timeframe.'
+                       'allrev'     => 'Include multiple revisions of the same page within given timeframe',
+                       'wlowner'    => "The user whose watchlist you want (must be accompanied by {$this->getModulePrefix()}wltoken if it's not you)",
+                       'wltoken'    => 'Security token that requested user set in their preferences',
+                       'wlexcludeuser' => 'A user whose edits should not be shown in the watchlist',
+                       'linktodiffs' => 'Link to change differences instead of article pages',
                );
        }
 
        public function getDescription() {
-               return 'This module returns a watchlist feed';
+               return 'Returns a watchlist feed';
        }
 
-       protected function getExamples() {
-               return array (
-                       'api.php?action=feedwatchlist'
+       public function getPossibleErrors() {
+               return array_merge( parent::getPossibleErrors(), array(
+                       array( 'code' => 'feed-unavailable', 'info' => 'Syndication feeds are not available' ),
+                       array( 'code' => 'feed-invalid', 'info' => 'Invalid subscription feed type' ),
+               ) );
+       }
+
+       public function getExamples() {
+               return array(
+                       'api.php?action=feedwatchlist',
+                       'api.php?action=feedwatchlist&allrev=&linktodiffs=&hours=6'
                );
        }
 
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/API:Watchlist_feed';
+       }
+
        public function getVersion() {
                return __CLASS__ . ': $Id$';
        }