wiki.techinc.nl/includes/api/ApiQueryAllUsers.php
Aaron Schulz d834197821 Moved ActiveUsers updates to recent changes jobs
* This avoids writes on view and is more reliable
* Also made the wfWaitForSlaves() there actually work

Bug: T95501
Bug: T92357
Bug: T89027
Change-Id: I0a006fc92a9268feb185c9d88aa04002ea51ecd3
2015-04-22 19:13:37 +00:00

370 lines
11 KiB
PHP

<?php
/**
*
*
* Created on July 7, 2007
*
* Copyright © 2007 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Query module to enumerate all registered users.
*
* @ingroup API
*/
class ApiQueryAllUsers extends ApiQueryBase {
public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'au' );
}
/**
* This function converts the user name to a canonical form
* which is stored in the database.
* @param string $name
* @return string
*/
private function getCanonicalUserName( $name ) {
return str_replace( '_', ' ', $name );
}
public function execute() {
$params = $this->extractRequestParams();
$activeUserDays = $this->getConfig()->get( 'ActiveUserDays' );
$db = $this->getDB();
$prop = $params['prop'];
if ( !is_null( $prop ) ) {
$prop = array_flip( $prop );
$fld_blockinfo = isset( $prop['blockinfo'] );
$fld_editcount = isset( $prop['editcount'] );
$fld_groups = isset( $prop['groups'] );
$fld_rights = isset( $prop['rights'] );
$fld_registration = isset( $prop['registration'] );
$fld_implicitgroups = isset( $prop['implicitgroups'] );
} else {
$fld_blockinfo = $fld_editcount = $fld_groups = $fld_registration =
$fld_rights = $fld_implicitgroups = false;
}
$limit = $params['limit'];
$this->addTables( 'user' );
$dir = ( $params['dir'] == 'descending' ? 'older' : 'newer' );
$from = is_null( $params['from'] ) ? null : $this->getCanonicalUserName( $params['from'] );
$to = is_null( $params['to'] ) ? null : $this->getCanonicalUserName( $params['to'] );
# MySQL can't figure out that 'user_name' and 'qcc_title' are the same
# despite the JOIN condition, so manually sort on the correct one.
$userFieldToSort = $params['activeusers'] ? 'qcc_title' : 'user_name';
# Some of these subtable joins are going to give us duplicate rows, so
# calculate the maximum number of duplicates we might see.
$maxDuplicateRows = 1;
$this->addWhereRange( $userFieldToSort, $dir, $from, $to );
if ( !is_null( $params['prefix'] ) ) {
$this->addWhere( $userFieldToSort .
$db->buildLike( $this->getCanonicalUserName( $params['prefix'] ), $db->anyString() ) );
}
if ( !is_null( $params['rights'] ) && count( $params['rights'] ) ) {
$groups = array();
foreach ( $params['rights'] as $r ) {
$groups = array_merge( $groups, User::getGroupsWithPermission( $r ) );
}
// no group with the given right(s) exists, no need for a query
if ( !count( $groups ) ) {
$this->getResult()->addIndexedTagName( array( 'query', $this->getModuleName() ), '' );
return;
}
$groups = array_unique( $groups );
if ( is_null( $params['group'] ) ) {
$params['group'] = $groups;
} else {
$params['group'] = array_unique( array_merge( $params['group'], $groups ) );
}
}
if ( !is_null( $params['group'] ) && !is_null( $params['excludegroup'] ) ) {
$this->dieUsage( 'group and excludegroup cannot be used together', 'group-excludegroup' );
}
if ( !is_null( $params['group'] ) && count( $params['group'] ) ) {
// Filter only users that belong to a given group. This might
// produce as many rows-per-user as there are groups being checked.
$this->addTables( 'user_groups', 'ug1' );
$this->addJoinConds( array( 'ug1' => array( 'INNER JOIN', array( 'ug1.ug_user=user_id',
'ug1.ug_group' => $params['group'] ) ) ) );
$maxDuplicateRows *= count( $params['group'] );
}
if ( !is_null( $params['excludegroup'] ) && count( $params['excludegroup'] ) ) {
// Filter only users don't belong to a given group. This can only
// produce one row-per-user, because we only keep on "no match".
$this->addTables( 'user_groups', 'ug1' );
if ( count( $params['excludegroup'] ) == 1 ) {
$exclude = array( 'ug1.ug_group' => $params['excludegroup'][0] );
} else {
$exclude = array( $db->makeList(
array( 'ug1.ug_group' => $params['excludegroup'] ),
LIST_OR
) );
}
$this->addJoinConds( array( 'ug1' => array( 'LEFT OUTER JOIN',
array_merge( array( 'ug1.ug_user=user_id' ), $exclude )
) ) );
$this->addWhere( 'ug1.ug_user IS NULL' );
}
if ( $params['witheditsonly'] ) {
$this->addWhere( 'user_editcount > 0' );
}
$this->showHiddenUsersAddBlockInfo( $fld_blockinfo );
if ( $fld_groups || $fld_rights ) {
$this->addFields( array( 'groups' =>
$db->buildGroupConcatField( '|', 'user_groups', 'ug_group', 'ug_user=user_id' )
) );
}
if ( $params['activeusers'] ) {
$activeUserSeconds = $activeUserDays * 86400;
// Filter query to only include users in the active users cache.
// There shouldn't be any duplicate rows in querycachetwo here.
$this->addTables( 'querycachetwo' );
$this->addJoinConds( array( 'querycachetwo' => array(
'INNER JOIN', array(
'qcc_type' => 'activeusers',
'qcc_namespace' => NS_USER,
'qcc_title=user_name',
),
) ) );
// Actually count the actions using a subquery (bug 64505 and bug 64507)
$timestamp = $db->timestamp( wfTimestamp( TS_UNIX ) - $activeUserSeconds );
$this->addFields( array(
'recentactions' => '(' . $db->selectSQLText(
'recentchanges',
'COUNT(*)',
array(
'rc_user_text = user_name',
'rc_type != ' . $db->addQuotes( RC_EXTERNAL ), // no wikidata
'rc_log_type IS NULL OR rc_log_type != ' . $db->addQuotes( 'newusers' ),
'rc_timestamp >= ' . $db->addQuotes( $timestamp ),
)
) . ')'
) );
}
$sqlLimit = $limit + $maxDuplicateRows;
$this->addOption( 'LIMIT', $sqlLimit );
$this->addFields( array(
'user_name',
'user_id'
) );
$this->addFieldsIf( 'user_editcount', $fld_editcount );
$this->addFieldsIf( 'user_registration', $fld_registration );
$res = $this->select( __METHOD__ );
$count = 0;
$countDuplicates = 0;
$lastUser = false;
$result = $this->getResult();
foreach ( $res as $row ) {
$count++;
if ( $lastUser === $row->user_name ) {
// Duplicate row due to one of the needed subtable joins.
// Ignore it, but count the number of them to sanely handle
// miscalculation of $maxDuplicateRows.
$countDuplicates++;
if ( $countDuplicates == $maxDuplicateRows ) {
ApiBase::dieDebug( __METHOD__, 'Saw more duplicate rows than expected' );
}
continue;
}
$countDuplicates = 0;
$lastUser = $row->user_name;
if ( $count > $limit ) {
// We've reached the one extra which shows that there are
// additional pages to be had. Stop here...
$this->setContinueEnumParameter( 'from', $row->user_name );
break;
}
if ( $count == $sqlLimit ) {
// Should never hit this (either the $countDuplicates check or
// the $count > $limit check should hit first), but check it
// anyway just in case.
ApiBase::dieDebug( __METHOD__, 'Saw more duplicate rows than expected' );
}
if ( $params['activeusers'] && $row->recentactions === 0 ) {
// activeusers cache was out of date
continue;
}
$data = array(
'userid' => $row->user_id,
'name' => $row->user_name,
);
if ( $fld_blockinfo && !is_null( $row->ipb_by_text ) ) {
$data['blockid'] = $row->ipb_id;
$data['blockedby'] = $row->ipb_by_text;
$data['blockedbyid'] = $row->ipb_by;
$data['blockedtimestamp'] = wfTimestamp( TS_ISO_8601, $row->ipb_timestamp );
$data['blockreason'] = $row->ipb_reason;
$data['blockexpiry'] = $row->ipb_expiry;
}
if ( $row->ipb_deleted ) {
$data['hidden'] = true;
}
if ( $fld_editcount ) {
$data['editcount'] = intval( $row->user_editcount );
}
if ( $params['activeusers'] ) {
$data['recentactions'] = intval( $row->recentactions );
// @todo 'recenteditcount' is set for BC, remove in 1.25
$data['recenteditcount'] = $data['recentactions'];
}
if ( $fld_registration ) {
$data['registration'] = $row->user_registration ?
wfTimestamp( TS_ISO_8601, $row->user_registration ) : '';
}
if ( $fld_implicitgroups || $fld_groups || $fld_rights ) {
$user = User::newFromId( $row->user_id );
$implicitGroups = User::newFromId( $row->user_id )->getAutomaticGroups();
if ( isset( $row->groups ) && $row->groups !== '' ) {
$groups = array_merge( $implicitGroups, explode( '|', $row->groups ) );
} else {
$groups = $implicitGroups;
}
if ( $fld_groups ) {
$data['groups'] = $groups;
ApiResult::setIndexedTagName( $data['groups'], 'g' );
}
if ( $fld_implicitgroups ) {
$data['implicitgroups'] = $implicitGroups;
ApiResult::setIndexedTagName( $data['implicitgroups'], 'g' );
}
if ( $fld_rights ) {
$data['rights'] = User::getGroupPermissions( $groups );
ApiResult::setIndexedTagName( $data['rights'], 'r' );
}
}
$fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $data );
if ( !$fit ) {
$this->setContinueEnumParameter( 'from', $data['name'] );
break;
}
}
$result->addIndexedTagName( array( 'query', $this->getModuleName() ), 'u' );
}
public function getCacheMode( $params ) {
return 'anon-public-user-private';
}
public function getAllowedParams() {
$userGroups = User::getAllGroups();
return array(
'from' => null,
'to' => null,
'prefix' => null,
'dir' => array(
ApiBase::PARAM_DFLT => 'ascending',
ApiBase::PARAM_TYPE => array(
'ascending',
'descending'
),
),
'group' => array(
ApiBase::PARAM_TYPE => $userGroups,
ApiBase::PARAM_ISMULTI => true,
),
'excludegroup' => array(
ApiBase::PARAM_TYPE => $userGroups,
ApiBase::PARAM_ISMULTI => true,
),
'rights' => array(
ApiBase::PARAM_TYPE => User::getAllRights(),
ApiBase::PARAM_ISMULTI => true,
),
'prop' => array(
ApiBase::PARAM_ISMULTI => true,
ApiBase::PARAM_TYPE => array(
'blockinfo',
'groups',
'implicitgroups',
'rights',
'editcount',
'registration'
)
),
'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
),
'witheditsonly' => false,
'activeusers' => array(
ApiBase::PARAM_DFLT => false,
ApiBase::PARAM_HELP_MSG => array(
'apihelp-query+allusers-param-activeusers',
$this->getConfig()->get( 'ActiveUserDays' )
),
),
);
}
protected function getExamplesMessages() {
return array(
'action=query&list=allusers&aufrom=Y'
=> 'apihelp-query+allusers-example-Y',
);
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Allusers';
}
}