570 lines
17 KiB
PHP
570 lines
17 KiB
PHP
<?php
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/**
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* Created on Oct 19, 2006
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*
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* API for MediaWiki 1.8+
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*
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* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*/
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if ( !defined( 'MEDIAWIKI' ) ) {
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// Eclipse helper - will be ignored in production
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require_once( 'ApiQueryBase.php' );
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}
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/**
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* A query action to enumerate the recent changes that were done to the wiki.
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* Various filters are supported.
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*
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* @ingroup API
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*/
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class ApiQueryRecentChanges extends ApiQueryBase {
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public function __construct( $query, $moduleName ) {
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parent::__construct( $query, $moduleName, 'rc' );
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}
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private $fld_comment = false, $fld_parsedcomment = false, $fld_user = false, $fld_flags = false,
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$fld_timestamp = false, $fld_title = false, $fld_ids = false,
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$fld_sizes = false;
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/**
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* Get an array mapping token names to their handler functions.
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* The prototype for a token function is func($pageid, $title, $rc)
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* it should return a token or false (permission denied)
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* @return array(tokenname => function)
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*/
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protected function getTokenFunctions() {
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// Don't call the hooks twice
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if ( isset( $this->tokenFunctions ) ) {
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return $this->tokenFunctions;
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}
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// If we're in JSON callback mode, no tokens can be obtained
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if ( !is_null( $this->getMain()->getRequest()->getVal( 'callback' ) ) ) {
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return array();
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}
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$this->tokenFunctions = array(
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'patrol' => array( 'ApiQueryRecentChanges', 'getPatrolToken' )
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);
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wfRunHooks( 'APIQueryRecentChangesTokens', array( &$this->tokenFunctions ) );
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return $this->tokenFunctions;
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}
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public static function getPatrolToken( $pageid, $title, $rc ) {
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global $wgUser;
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if ( !$wgUser->useRCPatrol() && ( !$wgUser->useNPPatrol() ||
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$rc->getAttribute( 'rc_type' ) != RC_NEW ) )
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{
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return false;
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}
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// The patrol token is always the same, let's exploit that
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static $cachedPatrolToken = null;
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if ( !is_null( $cachedPatrolToken ) ) {
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return $cachedPatrolToken;
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}
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$cachedPatrolToken = $wgUser->editToken();
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return $cachedPatrolToken;
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}
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/**
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* Sets internal state to include the desired properties in the output.
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* @param $prop associative array of properties, only keys are used here
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*/
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public function initProperties( $prop ) {
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$this->fld_comment = isset( $prop['comment'] );
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$this->fld_parsedcomment = isset( $prop['parsedcomment'] );
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$this->fld_user = isset( $prop['user'] );
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$this->fld_flags = isset( $prop['flags'] );
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$this->fld_timestamp = isset( $prop['timestamp'] );
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$this->fld_title = isset( $prop['title'] );
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$this->fld_ids = isset( $prop['ids'] );
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$this->fld_sizes = isset( $prop['sizes'] );
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$this->fld_redirect = isset( $prop['redirect'] );
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$this->fld_patrolled = isset( $prop['patrolled'] );
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$this->fld_loginfo = isset( $prop['loginfo'] );
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$this->fld_tags = isset( $prop['tags'] );
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}
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/**
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* Generates and outputs the result of this query based upon the provided parameters.
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*/
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public function execute() {
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/* Get the parameters of the request. */
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$params = $this->extractRequestParams();
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/* Build our basic query. Namely, something along the lines of:
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* SELECT * FROM recentchanges WHERE rc_timestamp > $start
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* AND rc_timestamp < $end AND rc_namespace = $namespace
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* AND rc_deleted = '0'
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*/
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$db = $this->getDB();
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$this->addTables( 'recentchanges' );
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$index = array( 'recentchanges' => 'rc_timestamp' ); // May change
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$this->addWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );
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$this->addWhereFld( 'rc_namespace', $params['namespace'] );
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$this->addWhereFld( 'rc_deleted', 0 );
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if ( !is_null( $params['type'] ) ) {
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$this->addWhereFld( 'rc_type', $this->parseRCType( $params['type'] ) );
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}
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if ( !is_null( $params['show'] ) ) {
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$show = array_flip( $params['show'] );
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/* Check for conflicting parameters. */
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if ( ( isset( $show['minor'] ) && isset( $show['!minor'] ) )
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|| ( isset( $show['bot'] ) && isset( $show['!bot'] ) )
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|| ( isset( $show['anon'] ) && isset( $show['!anon'] ) )
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|| ( isset( $show['redirect'] ) && isset( $show['!redirect'] ) )
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|| ( isset( $show['patrolled'] ) && isset( $show['!patrolled'] ) )
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)
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{
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$this->dieUsageMsg( array( 'show' ) );
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}
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// Check permissions
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global $wgUser;
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if ( ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) && !$wgUser->useRCPatrol() && !$wgUser->useNPPatrol() )
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{
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$this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
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}
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/* Add additional conditions to query depending upon parameters. */
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$this->addWhereIf( 'rc_minor = 0', isset( $show['!minor'] ) );
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$this->addWhereIf( 'rc_minor != 0', isset( $show['minor'] ) );
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$this->addWhereIf( 'rc_bot = 0', isset( $show['!bot'] ) );
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$this->addWhereIf( 'rc_bot != 0', isset( $show['bot'] ) );
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$this->addWhereIf( 'rc_user = 0', isset( $show['anon'] ) );
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$this->addWhereIf( 'rc_user != 0', isset( $show['!anon'] ) );
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$this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
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$this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
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$this->addWhereIf( 'page_is_redirect = 1', isset( $show['redirect'] ) );
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// Don't throw log entries out the window here
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$this->addWhereIf( 'page_is_redirect = 0 OR page_is_redirect IS NULL', isset( $show['!redirect'] ) );
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}
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if ( !is_null( $params['user'] ) && !is_null( $param['excludeuser'] ) ) {
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$this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
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}
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if ( !is_null( $params['user'] ) ) {
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$this->addWhereFld( 'rc_user_text', $params['user'] );
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$index['recentchanges'] = 'rc_user_text';
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}
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if ( !is_null( $params['excludeuser'] ) ) {
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// We don't use the rc_user_text index here because
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// * it would require us to sort by rc_user_text before rc_timestamp
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// * the != condition doesn't throw out too many rows anyway
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$this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
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}
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/* Add the fields we're concerned with to our query. */
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$this->addFields( array(
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'rc_timestamp',
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'rc_namespace',
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'rc_title',
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'rc_cur_id',
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'rc_type',
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'rc_moved_to_ns',
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'rc_moved_to_title'
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) );
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/* Determine what properties we need to display. */
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if ( !is_null( $params['prop'] ) ) {
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$prop = array_flip( $params['prop'] );
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/* Set up internal members based upon params. */
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$this->initProperties( $prop );
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global $wgUser;
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if ( $this->fld_patrolled && !$wgUser->useRCPatrol() && !$wgUser->useNPPatrol() )
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{
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$this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
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}
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/* Add fields to our query if they are specified as a needed parameter. */
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$this->addFieldsIf( 'rc_id', $this->fld_ids );
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$this->addFieldsIf( 'rc_this_oldid', $this->fld_ids );
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$this->addFieldsIf( 'rc_last_oldid', $this->fld_ids );
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$this->addFieldsIf( 'rc_comment', $this->fld_comment || $this->fld_parsedcomment );
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$this->addFieldsIf( 'rc_user', $this->fld_user );
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$this->addFieldsIf( 'rc_user_text', $this->fld_user );
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$this->addFieldsIf( 'rc_minor', $this->fld_flags );
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$this->addFieldsIf( 'rc_bot', $this->fld_flags );
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$this->addFieldsIf( 'rc_new', $this->fld_flags );
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$this->addFieldsIf( 'rc_old_len', $this->fld_sizes );
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$this->addFieldsIf( 'rc_new_len', $this->fld_sizes );
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$this->addFieldsIf( 'rc_patrolled', $this->fld_patrolled );
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$this->addFieldsIf( 'rc_logid', $this->fld_loginfo );
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$this->addFieldsIf( 'rc_log_type', $this->fld_loginfo );
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$this->addFieldsIf( 'rc_log_action', $this->fld_loginfo );
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$this->addFieldsIf( 'rc_params', $this->fld_loginfo );
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if ( $this->fld_redirect || isset( $show['redirect'] ) || isset( $show['!redirect'] ) )
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{
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$this->addTables( 'page' );
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$this->addJoinConds( array( 'page' => array( 'LEFT JOIN', array( 'rc_namespace=page_namespace', 'rc_title=page_title' ) ) ) );
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$this->addFields( 'page_is_redirect' );
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}
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}
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if ( $this->fld_tags ) {
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$this->addTables( 'tag_summary' );
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$this->addJoinConds( array( 'tag_summary' => array( 'LEFT JOIN', array( 'rc_id=ts_rc_id' ) ) ) );
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$this->addFields( 'ts_tags' );
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}
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if ( !is_null( $params['tag'] ) ) {
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$this->addTables( 'change_tag' );
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$this->addJoinConds( array( 'change_tag' => array( 'INNER JOIN', array( 'rc_id=ct_rc_id' ) ) ) );
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$this->addWhereFld( 'ct_tag' , $params['tag'] );
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global $wgOldChangeTagsIndex;
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$index['change_tag'] = $wgOldChangeTagsIndex ? 'ct_tag' : 'change_tag_tag_id';
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}
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$this->token = $params['token'];
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$this->addOption( 'LIMIT', $params['limit'] + 1 );
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$this->addOption( 'USE INDEX', $index );
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$count = 0;
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/* Perform the actual query. */
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$db = $this->getDB();
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$res = $this->select( __METHOD__ );
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/* Iterate through the rows, adding data extracted from them to our query result. */
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foreach ( $res as $row ) {
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if ( ++ $count > $params['limit'] ) {
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// We've reached the one extra which shows that there are additional pages to be had. Stop here...
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$this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
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break;
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}
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/* Extract the data from a single row. */
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$vals = $this->extractRowInfo( $row );
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/* Add that row's data to our final output. */
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if ( !$vals ) {
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continue;
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}
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$fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ), null, $vals );
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if ( !$fit ) {
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$this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
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break;
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}
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}
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/* Format the result */
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$this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'rc' );
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}
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/**
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* Extracts from a single sql row the data needed to describe one recent change.
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*
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* @param $row The row from which to extract the data.
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* @return An array mapping strings (descriptors) to their respective string values.
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* @access public
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*/
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public function extractRowInfo( $row ) {
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/* If page was moved somewhere, get the title of the move target. */
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$movedToTitle = false;
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if ( isset( $row->rc_moved_to_title ) && $row->rc_moved_to_title !== '' )
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{
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$movedToTitle = Title::makeTitle( $row->rc_moved_to_ns, $row->rc_moved_to_title );
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}
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/* Determine the title of the page that has been changed. */
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$title = Title::makeTitle( $row->rc_namespace, $row->rc_title );
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/* Our output data. */
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$vals = array();
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$type = intval( $row->rc_type );
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/* Determine what kind of change this was. */
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switch ( $type ) {
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case RC_EDIT:
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$vals['type'] = 'edit';
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break;
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case RC_NEW:
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$vals['type'] = 'new';
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break;
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case RC_MOVE:
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$vals['type'] = 'move';
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break;
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case RC_LOG:
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$vals['type'] = 'log';
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break;
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case RC_MOVE_OVER_REDIRECT:
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$vals['type'] = 'move over redirect';
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break;
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default:
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$vals['type'] = $type;
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}
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/* Create a new entry in the result for the title. */
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if ( $this->fld_title ) {
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ApiQueryBase::addTitleInfo( $vals, $title );
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if ( $movedToTitle ) {
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ApiQueryBase::addTitleInfo( $vals, $movedToTitle, 'new_' );
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}
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}
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/* Add ids, such as rcid, pageid, revid, and oldid to the change's info. */
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if ( $this->fld_ids ) {
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$vals['rcid'] = intval( $row->rc_id );
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$vals['pageid'] = intval( $row->rc_cur_id );
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$vals['revid'] = intval( $row->rc_this_oldid );
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$vals['old_revid'] = intval( $row->rc_last_oldid );
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}
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/* Add user data and 'anon' flag, if use is anonymous. */
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if ( $this->fld_user ) {
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$vals['user'] = $row->rc_user_text;
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if ( !$row->rc_user ) {
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$vals['anon'] = '';
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}
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}
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/* Add flags, such as new, minor, bot. */
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if ( $this->fld_flags ) {
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if ( $row->rc_bot ) {
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$vals['bot'] = '';
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}
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if ( $row->rc_new ) {
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$vals['new'] = '';
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}
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if ( $row->rc_minor ) {
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$vals['minor'] = '';
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}
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}
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/* Add sizes of each revision. (Only available on 1.10+) */
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if ( $this->fld_sizes ) {
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$vals['oldlen'] = intval( $row->rc_old_len );
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$vals['newlen'] = intval( $row->rc_new_len );
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}
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/* Add the timestamp. */
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if ( $this->fld_timestamp ) {
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$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rc_timestamp );
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}
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/* Add edit summary / log summary. */
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if ( $this->fld_comment && isset( $row->rc_comment ) ) {
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$vals['comment'] = $row->rc_comment;
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}
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if ( $this->fld_parsedcomment && isset( $row->rc_comment ) ) {
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global $wgUser;
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$vals['parsedcomment'] = $wgUser->getSkin()->formatComment( $row->rc_comment, $title );
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}
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if ( $this->fld_redirect ) {
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if ( $row->page_is_redirect ) {
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$vals['redirect'] = '';
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}
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}
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/* Add the patrolled flag */
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if ( $this->fld_patrolled && $row->rc_patrolled == 1 ) {
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$vals['patrolled'] = '';
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}
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if ( $this->fld_loginfo && $row->rc_type == RC_LOG ) {
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$vals['logid'] = intval( $row->rc_logid );
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$vals['logtype'] = $row->rc_log_type;
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$vals['logaction'] = $row->rc_log_action;
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ApiQueryLogEvents::addLogParams(
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$this->getResult(),
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$vals, $row->rc_params,
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$row->rc_log_type, $row->rc_timestamp
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);
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}
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if ( $this->fld_tags ) {
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if ( $row->ts_tags ) {
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$tags = explode( ',', $row->ts_tags );
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$this->getResult()->setIndexedTagName( $tags, 'tag' );
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$vals['tags'] = $tags;
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} else {
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$vals['tags'] = array();
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}
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}
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if ( !is_null( $this->token ) ) {
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$tokenFunctions = $this->getTokenFunctions();
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foreach ( $this->token as $t ) {
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$val = call_user_func( $tokenFunctions[$t], $row->rc_cur_id,
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$title, RecentChange::newFromRow( $row ) );
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if ( $val === false ) {
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$this->setWarning( "Action '$t' is not allowed for the current user" );
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} else {
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$vals[$t . 'token'] = $val;
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}
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}
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}
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return $vals;
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}
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private function parseRCType( $type ) {
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if ( is_array( $type ) ) {
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$retval = array();
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foreach ( $type as $t ) {
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$retval[] = $this->parseRCType( $t );
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}
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return $retval;
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}
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switch( $type ) {
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case 'edit':
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return RC_EDIT;
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case 'new':
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return RC_NEW;
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case 'log':
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return RC_LOG;
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}
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}
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public function getAllowedParams() {
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return array(
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'start' => array(
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ApiBase::PARAM_TYPE => 'timestamp'
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),
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'end' => array(
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ApiBase::PARAM_TYPE => 'timestamp'
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),
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'dir' => array(
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ApiBase::PARAM_DFLT => 'older',
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ApiBase::PARAM_TYPE => array(
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'newer',
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'older'
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)
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),
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'namespace' => array(
|
|
ApiBase::PARAM_ISMULTI => true,
|
|
ApiBase::PARAM_TYPE => 'namespace'
|
|
),
|
|
'user' => array(
|
|
ApiBase::PARAM_TYPE => 'user'
|
|
),
|
|
'excludeuser' => array(
|
|
ApiBase::PARAM_TYPE => 'user'
|
|
),
|
|
'tag' => null,
|
|
'prop' => array(
|
|
ApiBase::PARAM_ISMULTI => true,
|
|
ApiBase::PARAM_DFLT => 'title|timestamp|ids',
|
|
ApiBase::PARAM_TYPE => array(
|
|
'user',
|
|
'comment',
|
|
'parsedcomment',
|
|
'flags',
|
|
'timestamp',
|
|
'title',
|
|
'ids',
|
|
'sizes',
|
|
'redirect',
|
|
'patrolled',
|
|
'loginfo',
|
|
'tags'
|
|
)
|
|
),
|
|
'token' => array(
|
|
ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() ),
|
|
ApiBase::PARAM_ISMULTI => true
|
|
),
|
|
'show' => array(
|
|
ApiBase::PARAM_ISMULTI => true,
|
|
ApiBase::PARAM_TYPE => array(
|
|
'minor',
|
|
'!minor',
|
|
'bot',
|
|
'!bot',
|
|
'anon',
|
|
'!anon',
|
|
'redirect',
|
|
'!redirect',
|
|
'patrolled',
|
|
'!patrolled'
|
|
)
|
|
),
|
|
'limit' => array(
|
|
ApiBase::PARAM_DFLT => 10,
|
|
ApiBase::PARAM_TYPE => 'limit',
|
|
ApiBase::PARAM_MIN => 1,
|
|
ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
|
|
ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
|
|
),
|
|
'type' => array(
|
|
ApiBase::PARAM_ISMULTI => true,
|
|
ApiBase::PARAM_TYPE => array(
|
|
'edit',
|
|
'new',
|
|
'log'
|
|
)
|
|
)
|
|
);
|
|
}
|
|
|
|
public function getParamDescription() {
|
|
return array(
|
|
'start' => 'The timestamp to start enumerating from',
|
|
'end' => 'The timestamp to end enumerating',
|
|
'dir' => 'In which direction to enumerate',
|
|
'namespace' => 'Filter log entries to only this namespace(s)',
|
|
'user' => 'Only list changes by this user',
|
|
'excludeuser' => 'Don\'t list changes by this user',
|
|
'prop' => 'Include additional pieces of information',
|
|
'token' => 'Which tokens to obtain for each change',
|
|
'show' => array(
|
|
'Show only items that meet this criteria.',
|
|
"For example, to see only minor edits done by logged-in users, set {$this->getModulePrefix()}show=minor|!anon"
|
|
),
|
|
'type' => 'Which types of changes to show',
|
|
'limit' => 'How many total changes to return',
|
|
'tag' => 'Only list changes tagged with this tag',
|
|
);
|
|
}
|
|
|
|
public function getDescription() {
|
|
return 'Enumerate recent changes';
|
|
}
|
|
|
|
public function getPossibleErrors() {
|
|
return array_merge( parent::getPossibleErrors(), array(
|
|
array( 'show' ),
|
|
array( 'code' => 'permissiondenied', 'info' => 'You need the patrol right to request the patrolled flag' ),
|
|
array( 'code' => 'user-excludeuser', 'info' => 'user and excludeuser cannot be used together' ),
|
|
) );
|
|
}
|
|
|
|
protected function getExamples() {
|
|
return array(
|
|
'api.php?action=query&list=recentchanges'
|
|
);
|
|
}
|
|
|
|
public function getVersion() {
|
|
return __CLASS__ . ': $Id$';
|
|
}
|
|
}
|