wiki.techinc.nl/includes/api/ApiQueryWatchlist.php
Aryeh Gregor 3758769f0d stylize.php on API code
"I wouldn't object to stylizing the API code to bring it in line with
the rest of MW on principle, but I'm not gonna bother myself." --Roan
<http://www.mediawiki.org/wiki/Special:Code/MediaWiki/60657#c5108>

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2010-01-11 15:55:52 +00:00

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PHP

<?php
/*
* Created on Sep 25, 2006
*
* API for MediaWiki 1.8+
*
* 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
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
require_once ( 'ApiQueryBase.php' );
}
/**
* This query action allows clients to retrieve a list of recently modified pages
* that are part of the logged-in user's watchlist.
*
* @ingroup API
*/
class ApiQueryWatchlist extends ApiQueryGeneratorBase {
public function __construct( $query, $moduleName ) {
parent :: __construct( $query, $moduleName, 'wl' );
}
public function execute() {
$this->run();
}
public function executeGenerator( $resultPageSet ) {
$this->run( $resultPageSet );
}
private $fld_ids = false, $fld_title = false, $fld_patrol = false, $fld_flags = false,
$fld_timestamp = false, $fld_user = false, $fld_comment = false, $fld_sizes = false;
private function run( $resultPageSet = null ) {
global $wgUser, $wgDBtype;
$this->selectNamedDB( 'watchlist', DB_SLAVE, 'watchlist' );
$params = $this->extractRequestParams();
if ( !is_null( $params['owner'] ) && !is_null( $params['token'] ) ) {
$user = User::newFromName( $params['owner'], false );
if ( !$user->getId() ) {
$this->dieUsage( 'Specified user does not exist', 'bad_wlowner' );
}
$token = $user->getOption( 'watchlisttoken' );
if ( $token == '' || $token != $params['token'] ) {
$this->dieUsage( 'Incorrect watchlist token provided -- please set a correct token in Special:Preferences', 'bad_wltoken' );
}
} elseif ( !$wgUser->isLoggedIn() ) {
$this->dieUsage( 'You must be logged-in to have a watchlist', 'notloggedin' );
} else {
$user = $wgUser;
}
if ( !is_null( $params['prop'] ) && is_null( $resultPageSet ) ) {
$prop = array_flip( $params['prop'] );
$this->fld_ids = isset( $prop['ids'] );
$this->fld_title = isset( $prop['title'] );
$this->fld_flags = isset( $prop['flags'] );
$this->fld_user = isset( $prop['user'] );
$this->fld_comment = isset( $prop['comment'] );
$this->fld_timestamp = isset( $prop['timestamp'] );
$this->fld_sizes = isset( $prop['sizes'] );
$this->fld_patrol = isset( $prop['patrol'] );
if ( $this->fld_patrol ) {
if ( !$user->useRCPatrol() && !$user->useNPPatrol() )
$this->dieUsage( 'patrol property is not available', 'patrol' );
}
}
if ( is_null( $resultPageSet ) ) {
$this->addFields( array (
'rc_cur_id',
'rc_this_oldid',
'rc_namespace',
'rc_title',
'rc_timestamp'
) );
$this->addFieldsIf( 'rc_new', $this->fld_flags );
$this->addFieldsIf( 'rc_minor', $this->fld_flags );
$this->addFieldsIf( 'rc_bot', $this->fld_flags );
$this->addFieldsIf( 'rc_user', $this->fld_user );
$this->addFieldsIf( 'rc_user_text', $this->fld_user );
$this->addFieldsIf( 'rc_comment', $this->fld_comment );
$this->addFieldsIf( 'rc_patrolled', $this->fld_patrol );
$this->addFieldsIf( 'rc_old_len', $this->fld_sizes );
$this->addFieldsIf( 'rc_new_len', $this->fld_sizes );
}
elseif ( $params['allrev'] ) {
$this->addFields( array (
'rc_this_oldid',
'rc_namespace',
'rc_title',
'rc_timestamp'
) );
} else {
$this->addFields( array (
'rc_cur_id',
'rc_namespace',
'rc_title',
'rc_timestamp'
) );
}
$this->addTables( array (
'watchlist',
'page',
'recentchanges'
) );
$userId = $user->getId();
$this->addWhere( array (
'wl_namespace = rc_namespace',
'wl_title = rc_title',
'rc_cur_id = page_id',
'wl_user' => $userId,
'rc_deleted' => 0,
) );
$this->addWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );
$this->addWhereFld( 'wl_namespace', $params['namespace'] );
$this->addWhereIf( 'rc_this_oldid=page_latest', !$params['allrev'] );
if ( !is_null( $params['show'] ) ) {
$show = array_flip( $params['show'] );
/* Check for conflicting parameters. */
if ( ( isset ( $show['minor'] ) && isset ( $show['!minor'] ) )
|| ( isset ( $show['bot'] ) && isset ( $show['!bot'] ) )
|| ( isset ( $show['anon'] ) && isset ( $show['!anon'] ) )
|| ( isset ( $show['patrolled'] ) && isset ( $show['!patrolled'] ) ) ) {
$this->dieUsage( "Incorrect parameter - mutually exclusive values may not be supplied", 'show' );
}
// Check permissions. FIXME: should this check $user instead of
// $wgUser?
global $wgUser;
if ( ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) && !$wgUser->useRCPatrol() && !$wgUser->useNPPatrol() )
$this->dieUsage( "You need the patrol right to request the patrolled flag", 'permissiondenied' );
/* Add additional conditions to query depending upon parameters. */
$this->addWhereIf( 'rc_minor = 0', isset ( $show['!minor'] ) );
$this->addWhereIf( 'rc_minor != 0', isset ( $show['minor'] ) );
$this->addWhereIf( 'rc_bot = 0', isset ( $show['!bot'] ) );
$this->addWhereIf( 'rc_bot != 0', isset ( $show['bot'] ) );
$this->addWhereIf( 'rc_user = 0', isset ( $show['anon'] ) );
$this->addWhereIf( 'rc_user != 0', isset ( $show['!anon'] ) );
$this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
$this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
}
if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) )
$this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
if ( !is_null( $params['user'] ) )
$this->addWhereFld( 'rc_user_text', $params['user'] );
if ( !is_null( $params['excludeuser'] ) )
$this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
# This is an index optimization for mysql, as done in the Special:Watchlist page
$this->addWhereIf( "rc_timestamp > ''", !isset ( $params['start'] ) && !isset ( $params['end'] ) && $wgDBtype == 'mysql' );
$this->addOption( 'LIMIT', $params['limit'] + 1 );
$ids = array ();
$count = 0;
$res = $this->select( __METHOD__ );
$db = $this->getDB();
while ( $row = $db->fetchObject( $res ) ) {
if ( ++ $count > $params['limit'] ) {
// We've reached the one extra which shows that there are additional pages to be had. Stop here...
$this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
break;
}
if ( is_null( $resultPageSet ) ) {
$vals = $this->extractRowInfo( $row );
$fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ), null, $vals );
if ( !$fit )
{
$this->setContinueEnumParameter( 'start',
wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
break;
}
} else {
if ( $params['allrev'] ) {
$ids[] = intval( $row->rc_this_oldid );
} else {
$ids[] = intval( $row->rc_cur_id );
}
}
}
$db->freeResult( $res );
if ( is_null( $resultPageSet ) ) {
$this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'item' );
}
elseif ( $params['allrev'] ) {
$resultPageSet->populateFromRevisionIDs( $ids );
} else {
$resultPageSet->populateFromPageIDs( $ids );
}
}
private function extractRowInfo( $row ) {
$vals = array ();
if ( $this->fld_ids ) {
$vals['pageid'] = intval( $row->rc_cur_id );
$vals['revid'] = intval( $row->rc_this_oldid );
}
if ( $this->fld_title )
ApiQueryBase :: addTitleInfo( $vals, Title :: makeTitle( $row->rc_namespace, $row->rc_title ) );
if ( $this->fld_user ) {
$vals['user'] = $row->rc_user_text;
if ( !$row->rc_user )
$vals['anon'] = '';
}
if ( $this->fld_flags ) {
if ( $row->rc_new )
$vals['new'] = '';
if ( $row->rc_minor )
$vals['minor'] = '';
if ( $row->rc_bot )
$vals['bot'] = '';
}
if ( $this->fld_patrol && isset( $row->rc_patrolled ) )
$vals['patrolled'] = '';
if ( $this->fld_timestamp )
$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rc_timestamp );
if ( $this->fld_sizes ) {
$vals['oldlen'] = intval( $row->rc_old_len );
$vals['newlen'] = intval( $row->rc_new_len );
}
if ( $this->fld_comment && isset( $row->rc_comment ) )
$vals['comment'] = $row->rc_comment;
return $vals;
}
public function getAllowedParams() {
return array (
'allrev' => false,
'start' => array (
ApiBase :: PARAM_TYPE => 'timestamp'
),
'end' => array (
ApiBase :: PARAM_TYPE => 'timestamp'
),
'namespace' => array (
ApiBase :: PARAM_ISMULTI => true,
ApiBase :: PARAM_TYPE => 'namespace'
),
'user' => array(
ApiBase :: PARAM_TYPE => 'user',
),
'excludeuser' => array(
ApiBase :: PARAM_TYPE => 'user',
),
'dir' => array (
ApiBase :: PARAM_DFLT => 'older',
ApiBase :: PARAM_TYPE => array (
'newer',
'older'
)
),
'limit' => array (
ApiBase :: PARAM_DFLT => 10,
ApiBase :: PARAM_TYPE => 'limit',
ApiBase :: PARAM_MIN => 1,
ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
),
'prop' => array (
APIBase :: PARAM_ISMULTI => true,
APIBase :: PARAM_DFLT => 'ids|title|flags',
APIBase :: PARAM_TYPE => array (
'ids',
'title',
'flags',
'user',
'comment',
'timestamp',
'patrol',
'sizes',
)
),
'show' => array (
ApiBase :: PARAM_ISMULTI => true,
ApiBase :: PARAM_TYPE => array (
'minor',
'!minor',
'bot',
'!bot',
'anon',
'!anon',
'patrolled',
'!patrolled',
)
),
'owner' => array (
ApiBase :: PARAM_TYPE => 'user'
),
'token' => array (
ApiBase :: PARAM_TYPE => 'string'
)
);
}
public function getParamDescription() {
return array (
'allrev' => 'Include multiple revisions of the same page within given timeframe.',
'start' => 'The timestamp to start enumerating from.',
'end' => 'The timestamp to end enumerating.',
'namespace' => 'Filter changes to only the given namespace(s).',
'user' => 'Only list changes by this user',
'excludeuser' => 'Don\'t list changes by this user',
'dir' => 'In which direction to enumerate pages.',
'limit' => 'How many total results to return per request.',
'prop' => 'Which additional items to get (non-generator mode only).',
'show' => array (
'Show only items that meet this criteria.',
'For example, to see only minor edits done by logged-in users, set show=minor|!anon'
),
'owner' => "The name of the user whose watchlist you'd like to access",
'token' => "Give a security token (settable in preferences) to allow access to another user's watchlist"
);
}
public function getDescription() {
return "Get all recent changes to pages in the logged in user's watchlist";
}
protected function getExamples() {
return array (
'api.php?action=query&list=watchlist',
'api.php?action=query&list=watchlist&wlprop=ids|title|timestamp|user|comment',
'api.php?action=query&list=watchlist&wlallrev&wlprop=ids|title|timestamp|user|comment',
'api.php?action=query&generator=watchlist&prop=info',
'api.php?action=query&generator=watchlist&gwlallrev&prop=revisions&rvprop=timestamp|user',
'api.php?action=query&list=watchlist&wlowner=Bob_Smith&wltoken=d8d562e9725ea1512894cdab28e5ceebc7f20237'
);
}
public function getVersion() {
return __CLASS__ . ': $Id$';
}
}