<?php
-
/*
* Created on Oct 13, 2006
*
* API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@gmail.com>
+ * Copyright (C) 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
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
+ */
class ApiFeedWatchlist extends ApiBase {
public function __construct($main, $action) {
parent :: __construct($main, $action);
}
+ /**
+ * This module uses a custom feed wrapper printer.
+ */
public function getCustomPrinter() {
return new ApiFormatFeedWrapper($this->getMain());
}
+ /**
+ * 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() {
- $feedformat = null;
- extract($this->extractRequestParams());
-
- // Prepare nested request
- $params = new FauxRequest(array (
- 'action' => 'query',
- 'meta' => 'siteinfo',
- 'siprop' => 'general',
- 'list' => 'watchlist',
- 'wlprop' => 'user|comment|timestamp',
- 'wlstart' => wfTimestamp(TS_MW, time() - intval( 1 * 86400 )), // limit to 1 day
- 'wllimit' => 50
- ));
- // Execute
- $module = new ApiMain($params);
- $module->execute();
-
- // Get data array
- $data = & $module->getResultData();
-
- $feedItems = array ();
- foreach ($data['query']['watchlist'] as $index => $info) {
- $title = $info['title'];
- $titleUrl = Title :: newFromText($title)->getFullUrl();
- $feedItems[] = new FeedItem($title, $info['comment'], $titleUrl, $info['timestamp'], $info['user']);
+ global $wgFeedClasses, $wgSitename, $wgContLanguageCode;
+
+ try {
+ $params = $this->extractRequestParams();
+
+ // limit to the number of hours going from now back
+ $endTime = wfTimestamp(TS_MW, time() - intval($params['hours'] * 60 * 60));
+
+ $dbr = wfGetDB( DB_SLAVE );
+ // Prepare parameters for nested request
+ $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
+ );
+
+ // Check for 'allrev' parameter, and if found, show all revisions to each page on wl.
+ if ( ! is_null ( $params['allrev'] ) ) $fauxReqArr['wlallrev'] = '';
+
+ // Create the request
+ $fauxReq = new FauxRequest ( $fauxReqArr );
+
+ // Execute
+ $module = new ApiMain($fauxReq);
+ $module->execute();
+
+ // Get data array
+ $data = $module->getResultData();
+
+ $feedItems = array ();
+ foreach ($data['query']['watchlist'] as $info) {
+ $feedItems[] = $this->createFeedItem($info);
+ }
+
+ $feedTitle = $wgSitename . ' - ' . wfMsgForContent('watchlist') . ' [' . $wgContLanguageCode . ']';
+ $feedUrl = SpecialPage::getTitleFor( 'Watchlist' )->getFullUrl();
+
+ $feed = new $wgFeedClasses[$params['feedformat']] ($feedTitle, htmlspecialchars(wfMsgForContent('watchlist')), $feedUrl);
+
+ ApiFormatFeedWrapper :: setResult($this->getResult(), $feed, $feedItems);
+
+ } catch (Exception $e) {
+
+ // Error results should not be cached
+ $this->getMain()->setCacheMaxAge(0);
+
+ $feedTitle = $wgSitename . ' - Error - ' . wfMsgForContent('watchlist') . ' [' . $wgContLanguageCode . ']';
+ $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) {
+ $errorCode = $e->getCodeString();
+ } else {
+ // Something is seriously wrong
+ $errorCode = 'internal_api_error';
+ }
+
+ $errorText = $e->getMessage();
+ $feedItems[] = new FeedItem("Error ($errorCode)", $errorText, "", "", "");
+ ApiFormatFeedWrapper :: setResult($this->getResult(), $feed, $feedItems);
}
+ }
- global $wgFeedClasses, $wgSitename, $wgContLanguageCode;
- $feedTitle = $wgSitename . ' - ' . wfMsgForContent('watchlist') . ' [' . $wgContLanguageCode . ']';
- $feedUrl = Title :: makeTitle(NS_SPECIAL, 'Watchlist')->getFullUrl();
- $feed = new $wgFeedClasses[$feedformat] ($feedTitle, '!Watchlist (TODO)!', $feedUrl);
+ private function createFeedItem($info) {
+ $titleStr = $info['title'];
+ $title = Title :: newFromText($titleStr);
+ $titleUrl = $title->getFullUrl();
+ $comment = isset( $info['comment'] ) ? $info['comment'] : null;
+ $timestamp = $info['timestamp'];
+ $user = $info['user'];
- ApiFormatFeedWrapper :: setResult($this->getResult(), $feed, $feedItems);
+ $completeText = "$comment ($user)";
+
+ return new FeedItem($titleStr, $completeText, $titleUrl, $timestamp, $user);
}
- protected function GetAllowedParams() {
+ protected function getAllowedParams() {
global $wgFeedClasses;
$feedFormatNames = array_keys($wgFeedClasses);
return array (
'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,
+ ),
+ 'allrev' => null
);
}
- protected function GetParamDescription() {
+ protected function getParamDescription() {
return array (
- 'feedformat' => 'The format of the feed'
+ '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.'
);
}
- protected function GetDescription() {
+ protected function getDescription() {
return 'This module returns a watchlist feed';
}
- protected function GetExamples() {
+ protected function getExamples() {
return array (
'api.php?action=feedwatchlist'
);
return __CLASS__ . ': $Id$';
}
}
-?>
\ No newline at end of file
+