wiki.techinc.nl/includes/api/ApiQueryUserContributions.php
Brion Vibber 8919302663 Revert r54291 "(bug 19004) Added support for tags to the API. Patch by Matthew Britton."
Per notes on code review, this doesn't handle multiple tags correctly right now.
2009-08-19 17:34:08 +00:00

390 lines
12 KiB
PHP

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