5f0226fd8d
* put the tables in the right order * JOIN on user_text as well for better index usage * Force the index on the recentchanges table as well * Don't ORDER BY rev_user_text if it's constant
375 lines
No EOL
12 KiB
PHP
375 lines
No EOL
12 KiB
PHP
<?php
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/*
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* Created on Oct 16, 2006
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*
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* API for MediaWiki 1.8+
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*
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* Copyright (C) 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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* This query action adds a list of a specified user's contributions to the output.
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*
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* @ingroup API
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*/
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class ApiQueryContributions extends ApiQueryBase {
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public function __construct($query, $moduleName) {
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parent :: __construct($query, $moduleName, 'uc');
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}
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private $params, $username;
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private $fld_ids = false, $fld_title = false, $fld_timestamp = false,
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$fld_comment = false, $fld_flags = false,
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$fld_patrolled = false;
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public function execute() {
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// Parse some parameters
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$this->params = $this->extractRequestParams();
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$prop = array_flip($this->params['prop']);
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$this->fld_ids = isset($prop['ids']);
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$this->fld_title = isset($prop['title']);
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$this->fld_comment = isset($prop['comment']);
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$this->fld_flags = isset($prop['flags']);
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$this->fld_timestamp = isset($prop['timestamp']);
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$this->fld_patrolled = isset($prop['patrolled']);
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// TODO: if the query is going only against the revision table, should this be done?
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$this->selectNamedDB('contributions', DB_SLAVE, 'contributions');
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$db = $this->getDB();
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if(isset($this->params['userprefix']))
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{
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$this->prefixMode = true;
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$this->multiUserMode = true;
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$this->userprefix = $this->params['userprefix'];
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}
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else
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{
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$this->usernames = array();
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if(!is_array($this->params['user']))
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$this->params['user'] = array($this->params['user']);
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foreach($this->params['user'] as $u)
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$this->prepareUsername($u);
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$this->prefixMode = false;
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$this->multiUserMode = (count($this->params['user']) > 1);
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}
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$this->prepareQuery();
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//Do the actual query.
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$res = $this->select( __METHOD__ );
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//Initialise some variables
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$count = 0;
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$limit = $this->params['limit'];
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//Fetch each row
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while ( $row = $db->fetchObject( $res ) ) {
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if (++ $count > $limit) {
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// We've reached the one extra which shows that there are additional pages to be had. Stop here...
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if($this->multiUserMode)
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$this->setContinueEnumParameter('continue', $this->continueStr($row));
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else
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$this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->rev_timestamp));
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break;
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}
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$vals = $this->extractRowInfo($row);
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$fit = $this->getResult()->addValue(array('query', $this->getModuleName()), null, $vals);
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if(!$fit)
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{
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if($this->multiUserMode)
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$this->setContinueEnumParameter('continue', $this->continueStr($row));
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else
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$this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->rev_timestamp));
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break;
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}
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}
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//Free the database record so the connection can get on with other stuff
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$db->freeResult($res);
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$this->getResult()->setIndexedTagName_internal(array('query', $this->getModuleName()), 'item');
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}
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/**
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* Validate the 'user' parameter and set the value to compare
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* against `revision`.`rev_user_text`
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*/
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private function prepareUsername($user) {
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if( $user ) {
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$name = User::isIP( $user )
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? $user
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: User::getCanonicalName( $user, 'valid' );
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if( $name === false ) {
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$this->dieUsage( "User name {$user} is not valid", 'param_user' );
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} else {
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$this->usernames[] = $name;
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}
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} else {
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$this->dieUsage( 'User parameter may not be empty', 'param_user' );
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}
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}
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/**
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* Prepares the query and returns the limit of rows requested
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*/
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private function prepareQuery() {
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// We're after the revision table, and the corresponding page
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// row for anything we retrieve. We may also need the
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// recentchanges row.
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$tables = array('page', 'revision'); // Order may change
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$this->addWhere('page_id=rev_page');
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// Handle continue parameter
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if($this->multiUserMode && !is_null($this->params['continue']))
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{
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$continue = explode('|', $this->params['continue']);
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if(count($continue) != 2)
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$this->dieUsage("Invalid continue param. You should pass the original " .
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"value returned by the previous query", "_badcontinue");
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$encUser = $this->getDB()->strencode($continue[0]);
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$encTS = wfTimestamp(TS_MW, $continue[1]);
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$op = ($this->params['dir'] == 'older' ? '<' : '>');
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$this->addWhere("rev_user_text $op '$encUser' OR " .
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"(rev_user_text = '$encUser' AND " .
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"rev_timestamp $op= '$encTS')");
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}
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$this->addWhereFld('rev_deleted', 0);
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// We only want pages by the specified users.
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if($this->prefixMode)
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$this->addWhere("rev_user_text LIKE '" . $this->getDB()->escapeLike($this->userprefix) . "%'");
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else
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$this->addWhereFld('rev_user_text', $this->usernames);
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// ... and in the specified timeframe.
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// Ensure the same sort order for rev_user_text and rev_timestamp
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// so our query is indexed
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if($this->multiUserMode)
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$this->addWhereRange('rev_user_text', $this->params['dir'], null, null);
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$this->addWhereRange('rev_timestamp',
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$this->params['dir'], $this->params['start'], $this->params['end'] );
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$this->addWhereFld('page_namespace', $this->params['namespace']);
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$show = $this->params['show'];
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if (!is_null($show)) {
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$show = array_flip($show);
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if ((isset($show['minor']) && isset($show['!minor']))
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|| (isset($show['patrolled']) && isset($show['!patrolled'])))
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$this->dieUsage("Incorrect parameter - mutually exclusive values may not be supplied", 'show');
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$this->addWhereIf('rev_minor_edit = 0', isset($show['!minor']));
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$this->addWhereIf('rev_minor_edit != 0', isset($show['minor']));
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$this->addWhereIf('rc_patrolled = 0', isset($show['!patrolled']));
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$this->addWhereIf('rc_patrolled != 0', isset($show['patrolled']));
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}
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$this->addOption('LIMIT', $this->params['limit'] + 1);
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$index['revision'] = 'usertext_timestamp';
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// Mandatory fields: timestamp allows request continuation
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// ns+title checks if the user has access rights for this page
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// user_text is necessary if multiple users were specified
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$this->addFields(array(
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'rev_timestamp',
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'page_namespace',
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'page_title',
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'rev_user_text',
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));
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if(isset($show['patrolled']) || isset($show['!patrolled']) ||
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$this->fld_patrolled)
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{
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global $wgUser;
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if(!$wgUser->useRCPatrol() && !$wgUser->useNPPatrol())
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$this->dieUsage("You need the patrol right to request the patrolled flag", 'permissiondenied');
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// Use a redundant join condition on both
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// timestamp and ID so we can use the timestamp
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// index
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$index['recentchanges'] = 'rc_user_text';
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if(isset($show['patrolled']) || isset($show['!patrolled']))
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{
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// Put the tables in the right order for
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// STRAIGHT_JOIN
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$tables = array('revision', 'recentchanges', 'page');
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$this->addOption('STRAIGHT_JOIN');
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$this->addWhere('rc_user_text=rev_user_text');
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$this->addWhere('rc_timestamp=rev_timestamp');
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$this->addWhere('rc_this_oldid=rev_id');
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}
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else
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{
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$tables[] = 'recentchanges';
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$this->addJoinConds(array('recentchanges' => array(
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'LEFT JOIN', array(
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'rc_user_text=rev_user_text',
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'rc_timestamp=rev_timestamp',
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'rc_this_oldid=rev_id'))));
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}
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}
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$this->addTables($tables);
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$this->addOption('USE INDEX', $index);
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$this->addFieldsIf('rev_page', $this->fld_ids);
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$this->addFieldsIf('rev_id', $this->fld_ids || $this->fld_flags);
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$this->addFieldsIf('page_latest', $this->fld_flags);
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// $this->addFieldsIf('rev_text_id', $this->fld_ids); // Should this field be exposed?
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$this->addFieldsIf('rev_comment', $this->fld_comment);
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$this->addFieldsIf('rev_minor_edit', $this->fld_flags);
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$this->addFieldsIf('rev_parent_id', $this->fld_flags);
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$this->addFieldsIf('rc_patrolled', $this->fld_patrolled);
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}
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/**
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* Extract fields from the database row and append them to a result array
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*/
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private function extractRowInfo($row) {
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$vals = array();
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$vals['user'] = $row->rev_user_text;
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if ($this->fld_ids) {
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$vals['pageid'] = intval($row->rev_page);
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$vals['revid'] = intval($row->rev_id);
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// $vals['textid'] = intval($row->rev_text_id); // todo: Should this field be exposed?
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}
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if ($this->fld_title)
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ApiQueryBase :: addTitleInfo($vals,
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Title :: makeTitle($row->page_namespace, $row->page_title));
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if ($this->fld_timestamp)
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$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rev_timestamp);
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if ($this->fld_flags) {
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if ($row->rev_parent_id == 0)
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$vals['new'] = '';
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if ($row->rev_minor_edit)
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$vals['minor'] = '';
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if ($row->page_latest == $row->rev_id)
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$vals['top'] = '';
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}
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if ($this->fld_comment && isset($row->rev_comment))
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$vals['comment'] = $row->rev_comment;
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if ($this->fld_patrolled && $row->rc_patrolled)
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$vals['patrolled'] = '';
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return $vals;
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}
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private function continueStr($row)
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{
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return $row->rev_user_text . '|' .
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wfTimestamp(TS_ISO_8601, $row->rev_timestamp);
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}
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public function getAllowedParams() {
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return array (
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'limit' => array (
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ApiBase :: PARAM_DFLT => 10,
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ApiBase :: PARAM_TYPE => 'limit',
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ApiBase :: PARAM_MIN => 1,
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ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
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ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
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),
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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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'continue' => null,
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'user' => array (
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ApiBase :: PARAM_ISMULTI => true
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),
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'userprefix' => null,
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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 (
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ApiBase :: PARAM_ISMULTI => true,
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ApiBase :: PARAM_TYPE => 'namespace'
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),
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'prop' => array (
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ApiBase :: PARAM_ISMULTI => true,
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ApiBase :: PARAM_DFLT => 'ids|title|timestamp|flags|comment',
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ApiBase :: PARAM_TYPE => array (
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'ids',
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'title',
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'timestamp',
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'comment',
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'flags',
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'patrolled',
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)
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),
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'show' => array (
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ApiBase :: PARAM_ISMULTI => true,
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ApiBase :: PARAM_TYPE => array (
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'minor',
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'!minor',
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'patrolled',
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'!patrolled',
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)
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),
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);
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}
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public function getParamDescription() {
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return array (
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'limit' => 'The maximum number of contributions to return.',
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'start' => 'The start timestamp to return from.',
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'end' => 'The end timestamp to return to.',
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'continue' => 'When more results are available, use this to continue.',
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'user' => 'The user to retrieve contributions for.',
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'userprefix' => 'Retrieve contibutions for all users whose names begin with this value. Overrides ucuser.',
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'dir' => 'The direction to search (older or newer).',
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'namespace' => 'Only list contributions in these namespaces',
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'prop' => 'Include additional pieces of information',
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'show' => array('Show only items that meet this criteria, e.g. non minor edits only: show=!minor',
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'NOTE: if show=patrolled or show=!patrolled is set, revisions older than $wgRCMaxAge won\'t be shown',),
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);
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}
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public function getDescription() {
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return 'Get all edits by a user';
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}
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protected function getExamples() {
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return array (
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'api.php?action=query&list=usercontribs&ucuser=YurikBot',
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'api.php?action=query&list=usercontribs&ucuserprefix=217.121.114.',
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);
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}
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public function getVersion() {
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return __CLASS__ . ': $Id$';
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}
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} |