includes/specialpage/ChangesListSpecialPage.php
<?php
/**
* 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
*/
namespace MediaWiki\SpecialPage;
use ChangesListBooleanFilter;
use ChangesListBooleanFilterGroup;
use ChangesListFilterGroup;
use ChangesListStringOptionsFilterGroup;
use ChangeTags;
use FormatJson;
use LogFormatter;
use MediaWiki\Context\IContextSource;
use MediaWiki\Html\FormOptions;
use MediaWiki\Html\Html;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Parser\Sanitizer;
use MediaWiki\ResourceLoader as RL;
use MediaWiki\User\TempUser\TempUserConfig;
use MediaWiki\User\UserIdentity;
use MediaWiki\User\UserIdentityUtils;
use MWExceptionHandler;
use OOUI\IconWidget;
use RecentChange;
use Wikimedia\Rdbms\DBQueryTimeoutError;
use Wikimedia\Rdbms\FakeResultWrapper;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\IReadableDatabase;
use Wikimedia\Rdbms\IResultWrapper;
/**
* Special page which uses a ChangesList to show query results.
*
* @todo Most of the functions here should be protected instead of public.
*
* @ingroup SpecialPage
*/
abstract class ChangesListSpecialPage extends SpecialPage {
/** @var string */
protected $rcSubpage;
/** @var FormOptions */
protected $rcOptions;
protected UserIdentityUtils $userIdentityUtils;
protected TempUserConfig $tempUserConfig;
// Order of both groups and filters is significant; first is top-most priority,
// descending from there.
// 'showHideSuffix' is a shortcut to and avoid spelling out
// details specific to subclasses here.
/**
* Definition information for the filters and their groups
*
* The value is $groupDefinition, a parameter to the ChangesListFilterGroup constructor.
* However, priority is dynamically added for the core groups, to ease maintenance.
*
* Groups are displayed to the user in the structured UI. However, if necessary,
* all of the filters in a group can be configured to only display on the
* unstuctured UI, in which case you don't need a group title.
*
* @var array
*/
private $filterGroupDefinitions;
/**
* @var array Same format as filterGroupDefinitions, but for a single group (reviewStatus)
* that is registered conditionally.
*/
private $legacyReviewStatusFilterGroupDefinition;
/** @var array Single filter group registered conditionally */
private $reviewStatusFilterGroupDefinition;
/** @var array Single filter group registered conditionally */
private $hideCategorizationFilterDefinition;
/**
* Filter groups, and their contained filters
* This is an associative array (with group name as key) of ChangesListFilterGroup objects.
*
* @var ChangesListFilterGroup[]
*/
protected $filterGroups = [];
/**
* @param string $name
* @param string $restriction
* @param UserIdentityUtils $userIdentityUtils
* @param TempUserConfig $tempUserConfig
*/
public function __construct(
$name,
$restriction,
UserIdentityUtils $userIdentityUtils,
TempUserConfig $tempUserConfig
) {
parent::__construct( $name, $restriction );
$this->userIdentityUtils = $userIdentityUtils;
$this->tempUserConfig = $tempUserConfig;
$nonRevisionTypes = [ RC_LOG ];
$this->getHookRunner()->onSpecialWatchlistGetNonRevisionTypes( $nonRevisionTypes );
$this->filterGroupDefinitions = [
[
'name' => 'registration',
'title' => 'rcfilters-filtergroup-registration',
'class' => ChangesListBooleanFilterGroup::class,
'filters' => [
[
'name' => 'hideliu',
// rcshowhideliu-show, rcshowhideliu-hide,
// wlshowhideliu
'showHideSuffix' => 'showhideliu',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds['actor_user'] = null;
$join_conds['recentchanges_actor'] = [ 'JOIN', 'actor_id=rc_actor' ];
},
'isReplacedInStructuredUi' => true,
],
[
'name' => 'hideanons',
// rcshowhideanons-show, rcshowhideanons-hide,
// wlshowhideanons
'showHideSuffix' => 'showhideanons',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = 'actor_user IS NOT NULL';
$join_conds['recentchanges_actor'] = [ 'JOIN', 'actor_id=rc_actor' ];
},
'isReplacedInStructuredUi' => true,
]
],
],
[
'name' => 'userExpLevel',
'title' => 'rcfilters-filtergroup-user-experience-level',
'class' => ChangesListStringOptionsFilterGroup::class,
'isFullCoverage' => true,
'filters' => [
[
'name' => 'unregistered',
'label' => 'rcfilters-filter-user-experience-level-unregistered-label',
'description' => $this->tempUserConfig->isEnabled() ?
'rcfilters-filter-user-experience-level-unregistered-description-temp' :
'rcfilters-filter-user-experience-level-unregistered-description',
'cssClassSuffix' => 'user-unregistered',
'isRowApplicableCallable' => function ( IContextSource $ctx, RecentChange $rc ) {
return !$this->userIdentityUtils->isNamed( $rc->getPerformerIdentity() );
}
],
[
'name' => 'registered',
'label' => 'rcfilters-filter-user-experience-level-registered-label',
'description' => 'rcfilters-filter-user-experience-level-registered-description',
'cssClassSuffix' => 'user-registered',
'isRowApplicableCallable' => function ( IContextSource $ctx, RecentChange $rc ) {
return $this->userIdentityUtils->isNamed( $rc->getPerformerIdentity() );
}
],
[
'name' => 'newcomer',
'label' => 'rcfilters-filter-user-experience-level-newcomer-label',
'description' => 'rcfilters-filter-user-experience-level-newcomer-description',
'cssClassSuffix' => 'user-newcomer',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
$performer = $rc->getPerformerIdentity();
return $performer->isRegistered() &&
MediaWikiServices::getInstance()
->getUserFactory()
->newFromUserIdentity( $performer )
->getExperienceLevel() === 'newcomer';
}
],
[
'name' => 'learner',
'label' => 'rcfilters-filter-user-experience-level-learner-label',
'description' => 'rcfilters-filter-user-experience-level-learner-description',
'cssClassSuffix' => 'user-learner',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
$performer = $rc->getPerformerIdentity();
return $performer->isRegistered() &&
MediaWikiServices::getInstance()
->getUserFactory()
->newFromUserIdentity( $performer )
->getExperienceLevel() === 'learner';
},
],
[
'name' => 'experienced',
'label' => 'rcfilters-filter-user-experience-level-experienced-label',
'description' => 'rcfilters-filter-user-experience-level-experienced-description',
'cssClassSuffix' => 'user-experienced',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
$performer = $rc->getPerformerIdentity();
return $performer->isRegistered() &&
MediaWikiServices::getInstance()
->getUserFactory()
->newFromUserIdentity( $performer )
->getExperienceLevel() === 'experienced';
},
]
],
'default' => ChangesListStringOptionsFilterGroup::NONE,
'queryCallable' => [ $this, 'filterOnUserExperienceLevel' ],
],
[
'name' => 'authorship',
'title' => 'rcfilters-filtergroup-authorship',
'class' => ChangesListBooleanFilterGroup::class,
'filters' => [
[
'name' => 'hidemyself',
'label' => 'rcfilters-filter-editsbyself-label',
'description' => 'rcfilters-filter-editsbyself-description',
// rcshowhidemine-show, rcshowhidemine-hide,
// wlshowhidemine
'showHideSuffix' => 'showhidemine',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$user = $ctx->getUser();
$conds[] = 'actor_name<>' . $dbr->addQuotes( $user->getName() );
$join_conds['recentchanges_actor'] = [ 'JOIN', 'actor_id=rc_actor' ];
},
'cssClassSuffix' => 'self',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $ctx->getUser()->equals( $rc->getPerformerIdentity() );
},
],
[
'name' => 'hidebyothers',
'label' => 'rcfilters-filter-editsbyother-label',
'description' => 'rcfilters-filter-editsbyother-description',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$user = $ctx->getUser();
if ( $user->isAnon() ) {
$conds['actor_name'] = $user->getName();
} else {
$conds['actor_user'] = $user->getId();
}
$join_conds['recentchanges_actor'] = [ 'JOIN', 'actor_id=rc_actor' ];
},
'cssClassSuffix' => 'others',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return !$ctx->getUser()->equals( $rc->getPerformerIdentity() );
},
]
]
],
[
'name' => 'automated',
'title' => 'rcfilters-filtergroup-automated',
'class' => ChangesListBooleanFilterGroup::class,
'filters' => [
[
'name' => 'hidebots',
'label' => 'rcfilters-filter-bots-label',
'description' => 'rcfilters-filter-bots-description',
// rcshowhidebots-show, rcshowhidebots-hide,
// wlshowhidebots
'showHideSuffix' => 'showhidebots',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds['rc_bot'] = 0;
},
'cssClassSuffix' => 'bot',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_bot' );
},
],
[
'name' => 'hidehumans',
'label' => 'rcfilters-filter-humans-label',
'description' => 'rcfilters-filter-humans-description',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds['rc_bot'] = 1;
},
'cssClassSuffix' => 'human',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return !$rc->getAttribute( 'rc_bot' );
},
]
]
],
// significance (conditional)
[
'name' => 'significance',
'title' => 'rcfilters-filtergroup-significance',
'class' => ChangesListBooleanFilterGroup::class,
'priority' => -6,
'filters' => [
[
'name' => 'hideminor',
'label' => 'rcfilters-filter-minor-label',
'description' => 'rcfilters-filter-minor-description',
// rcshowhideminor-show, rcshowhideminor-hide,
// wlshowhideminor
'showHideSuffix' => 'showhideminor',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = 'rc_minor = 0';
},
'cssClassSuffix' => 'minor',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_minor' );
}
],
[
'name' => 'hidemajor',
'label' => 'rcfilters-filter-major-label',
'description' => 'rcfilters-filter-major-description',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = 'rc_minor = 1';
},
'cssClassSuffix' => 'major',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return !$rc->getAttribute( 'rc_minor' );
}
]
]
],
[
'name' => 'lastRevision',
'title' => 'rcfilters-filtergroup-lastrevision',
'class' => ChangesListBooleanFilterGroup::class,
'priority' => -7,
'filters' => [
[
'name' => 'hidelastrevision',
'label' => 'rcfilters-filter-lastrevision-label',
'description' => 'rcfilters-filter-lastrevision-description',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) use ( $nonRevisionTypes ) {
$conds[] = $dbr->makeList(
[
'rc_this_oldid <> page_latest',
'rc_type' => $nonRevisionTypes,
],
LIST_OR
);
},
'cssClassSuffix' => 'last',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_this_oldid' ) === $rc->getAttribute( 'page_latest' );
}
],
[
'name' => 'hidepreviousrevisions',
'label' => 'rcfilters-filter-previousrevision-label',
'description' => 'rcfilters-filter-previousrevision-description',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) use ( $nonRevisionTypes ) {
$conds[] = $dbr->makeList(
[
'rc_this_oldid = page_latest',
'rc_type' => $nonRevisionTypes,
],
LIST_OR
);
},
'cssClassSuffix' => 'previous',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_this_oldid' ) !== $rc->getAttribute( 'page_latest' );
}
]
]
],
// With extensions, there can be change types that will not be hidden by any of these.
[
'name' => 'changeType',
'title' => 'rcfilters-filtergroup-changetype',
'class' => ChangesListBooleanFilterGroup::class,
'priority' => -8,
'filters' => [
[
'name' => 'hidepageedits',
'label' => 'rcfilters-filter-pageedits-label',
'description' => 'rcfilters-filter-pageedits-description',
'default' => false,
'priority' => -2,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = $dbr->expr( 'rc_type', '!=', RC_EDIT );
},
'cssClassSuffix' => 'src-mw-edit',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_source' ) === RecentChange::SRC_EDIT;
},
],
[
'name' => 'hidenewpages',
'label' => 'rcfilters-filter-newpages-label',
'description' => 'rcfilters-filter-newpages-description',
'default' => false,
'priority' => -3,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = $dbr->expr( 'rc_type', '!=', RC_NEW );
},
'cssClassSuffix' => 'src-mw-new',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_source' ) === RecentChange::SRC_NEW;
},
],
// hidecategorization
[
'name' => 'hidelog',
'label' => 'rcfilters-filter-logactions-label',
'description' => 'rcfilters-filter-logactions-description',
'default' => false,
'priority' => -5,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = $dbr->expr( 'rc_type', '!=', RC_LOG );
},
'cssClassSuffix' => 'src-mw-log',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_source' ) === RecentChange::SRC_LOG;
}
],
[
'name' => 'hidenewuserlog',
'label' => 'rcfilters-filter-accountcreations-label',
'description' => 'rcfilters-filter-accountcreations-description',
'default' => false,
'priority' => -6,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = $dbr->makeList(
[
$dbr->expr( 'rc_log_type', '!=', 'newusers' ),
'rc_log_type' => null
],
IReadableDatabase::LIST_OR
);
},
'cssClassSuffix' => 'src-mw-newuserlog',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_log_type' ) === "newusers";
},
],
],
],
];
$this->legacyReviewStatusFilterGroupDefinition = [
[
'name' => 'legacyReviewStatus',
'title' => 'rcfilters-filtergroup-reviewstatus',
'class' => ChangesListBooleanFilterGroup::class,
'filters' => [
[
'name' => 'hidepatrolled',
// rcshowhidepatr-show, rcshowhidepatr-hide
// wlshowhidepatr
'showHideSuffix' => 'showhidepatr',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds['rc_patrolled'] = RecentChange::PRC_UNPATROLLED;
},
'isReplacedInStructuredUi' => true,
],
[
'name' => 'hideunpatrolled',
'default' => false,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = 'rc_patrolled != ' . RecentChange::PRC_UNPATROLLED;
},
'isReplacedInStructuredUi' => true,
],
],
]
];
$this->reviewStatusFilterGroupDefinition = [
[
'name' => 'reviewStatus',
'title' => 'rcfilters-filtergroup-reviewstatus',
'class' => ChangesListStringOptionsFilterGroup::class,
'isFullCoverage' => true,
'priority' => -5,
'filters' => [
[
'name' => 'unpatrolled',
'label' => 'rcfilters-filter-reviewstatus-unpatrolled-label',
'description' => 'rcfilters-filter-reviewstatus-unpatrolled-description',
'cssClassSuffix' => 'reviewstatus-unpatrolled',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_patrolled' ) == RecentChange::PRC_UNPATROLLED;
},
],
[
'name' => 'manual',
'label' => 'rcfilters-filter-reviewstatus-manual-label',
'description' => 'rcfilters-filter-reviewstatus-manual-description',
'cssClassSuffix' => 'reviewstatus-manual',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_patrolled' ) == RecentChange::PRC_PATROLLED;
},
],
[
'name' => 'auto',
'label' => 'rcfilters-filter-reviewstatus-auto-label',
'description' => 'rcfilters-filter-reviewstatus-auto-description',
'cssClassSuffix' => 'reviewstatus-auto',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_patrolled' ) == RecentChange::PRC_AUTOPATROLLED;
},
],
],
'default' => ChangesListStringOptionsFilterGroup::NONE,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds, $selected
) {
if ( $selected === [] ) {
return;
}
$rcPatrolledValues = [
'unpatrolled' => RecentChange::PRC_UNPATROLLED,
'manual' => RecentChange::PRC_PATROLLED,
'auto' => RecentChange::PRC_AUTOPATROLLED,
];
// e.g. rc_patrolled IN (0, 2)
$conds['rc_patrolled'] = array_map( static function ( $s ) use ( $rcPatrolledValues ) {
return $rcPatrolledValues[ $s ];
}, $selected );
}
]
];
$this->hideCategorizationFilterDefinition = [
'name' => 'hidecategorization',
'label' => 'rcfilters-filter-categorization-label',
'description' => 'rcfilters-filter-categorization-description',
// rcshowhidecategorization-show, rcshowhidecategorization-hide.
// wlshowhidecategorization
'showHideSuffix' => 'showhidecategorization',
'default' => false,
'priority' => -4,
'queryCallable' => static function ( string $specialClassName, IContextSource $ctx,
IReadableDatabase $dbr, &$tables, &$fields, &$conds, &$query_options, &$join_conds
) {
$conds[] = $dbr->expr( 'rc_type', '!=', RC_CATEGORIZE );
},
'cssClassSuffix' => 'src-mw-categorize',
'isRowApplicableCallable' => static function ( IContextSource $ctx, RecentChange $rc ) {
return $rc->getAttribute( 'rc_source' ) === RecentChange::SRC_CATEGORIZE;
},
];
}
/**
* Check if filters are in conflict and guaranteed to return no results.
*
* @return bool
*/
protected function areFiltersInConflict() {
$opts = $this->getOptions();
foreach ( $this->getFilterGroups() as $group ) {
if ( $group->getConflictingGroups() ) {
wfLogWarning(
$group->getName() .
" specifies conflicts with other groups but these are not supported yet."
);
}
foreach ( $group->getConflictingFilters() as $conflictingFilter ) {
if ( $conflictingFilter->activelyInConflictWithGroup( $group, $opts ) ) {
return true;
}
}
foreach ( $group->getFilters() as $filter ) {
foreach ( $filter->getConflictingFilters() as $conflictingFilter ) {
if (
$conflictingFilter->activelyInConflictWithFilter( $filter, $opts ) &&
$filter->activelyInConflictWithFilter( $conflictingFilter, $opts )
) {
return true;
}
}
}
}
return false;
}
/**
* @param string|null $subpage
*/
public function execute( $subpage ) {
$this->rcSubpage = $subpage;
if ( $this->considerActionsForDefaultSavedQuery( $subpage ) ) {
// Don't bother rendering the page if we'll be performing a redirect (T330100).
return;
}
// Enable OOUI and module for the clock icon.
if ( $this->getConfig()->get( MainConfigNames::WatchlistExpiry ) && !$this->including() ) {
$this->getOutput()->enableOOUI();
$this->getOutput()->addModules( 'mediawiki.special.changeslist.watchlistexpiry' );
}
$opts = $this->getOptions();
try {
$rows = $this->getRows();
if ( $rows === false ) {
$rows = new FakeResultWrapper( [] );
}
// Used by Structured UI app to get results without MW chrome
if ( $this->getRequest()->getRawVal( 'action' ) === 'render' ) {
$this->getOutput()->setArticleBodyOnly( true );
}
// Used by "live update" and "view newest" to check
// if there's new changes with minimal data transfer
if ( $this->getRequest()->getBool( 'peek' ) ) {
$code = $rows->numRows() > 0 ? 200 : 204;
$this->getOutput()->setStatusCode( $code );
if ( $this->getUser()->isAnon() !==
$this->getRequest()->getFuzzyBool( 'isAnon' )
) {
$this->getOutput()->setStatusCode( 205 );
}
return;
}
$linkBatchFactory = MediaWikiServices::getInstance()->getLinkBatchFactory();
$batch = $linkBatchFactory->newLinkBatch();
foreach ( $rows as $row ) {
$batch->add( NS_USER, $row->rc_user_text );
$batch->add( NS_USER_TALK, $row->rc_user_text );
$batch->add( $row->rc_namespace, $row->rc_title );
if ( $row->rc_source === RecentChange::SRC_LOG ) {
$formatter = LogFormatter::newFromRow( $row );
foreach ( $formatter->getPreloadTitles() as $title ) {
$batch->addObj( $title );
}
}
}
$batch->execute();
$this->setHeaders();
$this->outputHeader();
$this->addModules();
$this->webOutput( $rows, $opts );
$rows->free();
} catch ( DBQueryTimeoutError $timeoutException ) {
MWExceptionHandler::logException( $timeoutException );
$this->setHeaders();
$this->outputHeader();
$this->addModules();
$this->getOutput()->setStatusCode( 500 );
$this->webOutputHeader( 0, $opts );
$this->outputTimeout();
}
$this->includeRcFiltersApp();
}
/**
* Set the temp user config.
*
* @internal
* @param TempUserConfig $tempUserConfig
* @since 1.42
*/
public function setTempUserConfig( TempUserConfig $tempUserConfig ) {
$this->tempUserConfig = $tempUserConfig;
}
/**
* Check whether or not the page should load defaults, and if so, whether
* a default saved query is relevant to be redirected to. If it is relevant,
* redirect properly with all necessary query parameters.
*
* @param string $subpage
* @return bool Whether a redirect will be performed.
*/
protected function considerActionsForDefaultSavedQuery( $subpage ) {
if ( !$this->isStructuredFilterUiEnabled() || $this->including() ) {
return false;
}
$knownParams = $this->getRequest()->getValues(
...array_keys( $this->getOptions()->getAllValues() )
);
// HACK: Temporarily until we can properly define "sticky" filters and parameters,
// we need to exclude several parameters we know should not be counted towards preventing
// the loading of defaults.
$excludedParams = [ 'limit' => '', 'days' => '', 'enhanced' => '', 'from' => '' ];
$knownParams = array_diff_key( $knownParams, $excludedParams );
if (
// If there are NO known parameters in the URL request
// (that are not excluded) then we need to check into loading
// the default saved query
count( $knownParams ) === 0
) {
$prefJson = MediaWikiServices::getInstance()
->getUserOptionsLookup()
->getOption( $this->getUser(), $this->getSavedQueriesPreferenceName() );
// Get the saved queries data and parse it
$savedQueries = $prefJson ? FormatJson::decode( $prefJson, true ) : false;
if ( $savedQueries && isset( $savedQueries[ 'default' ] ) ) {
// Only load queries that are 'version' 2, since those
// have parameter representation
if ( isset( $savedQueries[ 'version' ] ) && $savedQueries[ 'version' ] === '2' ) {
$savedQueryDefaultID = $savedQueries[ 'default' ];
$defaultQuery = $savedQueries[ 'queries' ][ $savedQueryDefaultID ][ 'data' ];
// Build the entire parameter list
$query = array_merge(
$defaultQuery[ 'params' ],
$defaultQuery[ 'highlights' ],
[
'urlversion' => '2',
]
);
// Add to the query any parameters that we may have ignored before
// but are still valid and requested in the URL
$query = array_merge( $this->getRequest()->getValues(), $query );
unset( $query[ 'title' ] );
$this->getOutput()->redirect( $this->getPageTitle( $subpage )->getCanonicalURL( $query ) );
// Signal that we only need to redirect to the full URL
// and can skip rendering the actual page (T330100).
return true;
} else {
// There's a default, but the version is not 2, and the server can't
// actually recognize the query itself. This happens if it is before
// the conversion, so we need to tell the UI to reload saved query as
// it does the conversion to version 2
$this->getOutput()->addJsConfigVars(
'wgStructuredChangeFiltersDefaultSavedQueryExists',
true
);
// Add the class that tells the frontend it is still loading
// another query
$this->getOutput()->addBodyClasses( 'mw-rcfilters-ui-loading' );
}
}
}
return false;
}
/**
* @see \MediaWiki\MainConfigSchema::RCLinkDays and \MediaWiki\MainConfigSchema::RCFilterByAge.
* @return int[]
*/
protected function getLinkDays() {
$linkDays = $this->getConfig()->get( MainConfigNames::RCLinkDays );
$filterByAge = $this->getConfig()->get( MainConfigNames::RCFilterByAge );
$maxAge = $this->getConfig()->get( MainConfigNames::RCMaxAge );
if ( $filterByAge ) {
// Trim it to only links which are within $wgRCMaxAge.
// Note that we allow one link higher than the max for things like
// "age 56 days" being accessible through the "60 days" link.
sort( $linkDays );
$maxAgeDays = $maxAge / ( 3600 * 24 );
foreach ( $linkDays as $i => $days ) {
if ( $days >= $maxAgeDays ) {
array_splice( $linkDays, $i + 1 );
break;
}
}
}
return $linkDays;
}
/**
* Include the modules and configuration for the RCFilters app.
* Conditional on the user having the feature enabled.
*
* If it is disabled, add a <body> class marking that
*/
protected function includeRcFiltersApp() {
$out = $this->getOutput();
if ( $this->isStructuredFilterUiEnabled() && !$this->including() ) {
$jsData = $this->getStructuredFilterJsData();
$messages = [];
foreach ( $jsData['messageKeys'] as $key ) {
$messages[$key] = $this->msg( $key )->plain();
}
$out->addBodyClasses( 'mw-rcfilters-enabled' );
$collapsed = MediaWikiServices::getInstance()->getUserOptionsLookup()
->getBoolOption( $this->getUser(), $this->getCollapsedPreferenceName() );
if ( $collapsed ) {
$out->addBodyClasses( 'mw-rcfilters-collapsed' );
}
// These config and message exports should be moved into a ResourceLoader data module (T201574)
$out->addJsConfigVars( 'wgStructuredChangeFilters', $jsData['groups'] );
$out->addJsConfigVars( 'wgStructuredChangeFiltersMessages', $messages );
$out->addJsConfigVars( 'wgStructuredChangeFiltersCollapsedState', $collapsed );
$out->addJsConfigVars(
'StructuredChangeFiltersDisplayConfig',
[
'maxDays' => // Translate to days
(int)$this->getConfig()->get( MainConfigNames::RCMaxAge ) / ( 24 * 3600 ),
'limitArray' => $this->getConfig()->get( MainConfigNames::RCLinkLimits ),
'limitDefault' => $this->getDefaultLimit(),
'daysArray' => $this->getLinkDays(),
'daysDefault' => $this->getDefaultDays(),
]
);
$out->addJsConfigVars(
'wgStructuredChangeFiltersSavedQueriesPreferenceName',
$this->getSavedQueriesPreferenceName()
);
$out->addJsConfigVars(
'wgStructuredChangeFiltersLimitPreferenceName',
$this->getLimitPreferenceName()
);
$out->addJsConfigVars(
'wgStructuredChangeFiltersDaysPreferenceName',
$this->getDefaultDaysPreferenceName()
);
$out->addJsConfigVars(
'wgStructuredChangeFiltersCollapsedPreferenceName',
$this->getCollapsedPreferenceName()
);
} else {
$out->addBodyClasses( 'mw-rcfilters-disabled' );
}
}
/**
* Get essential data about getRcFiltersConfigVars() for change detection.
*
* @internal For use by Resources.php only.
* @see Module::getDefinitionSummary() and Module::getVersionHash()
* @param RL\Context $context
* @return array
*/
public static function getRcFiltersConfigSummary( RL\Context $context ) {
$lang = MediaWikiServices::getInstance()->getLanguageFactory()
->getLanguage( $context->getLanguage() );
return [
// Reduce version computation by avoiding Message parsing
'RCFiltersChangeTags' => ChangeTags::getChangeTagListSummary( $context, $lang ),
'StructuredChangeFiltersEditWatchlistUrl' =>
SpecialPage::getTitleFor( 'EditWatchlist' )->getLocalURL()
];
}
/**
* Get config vars to export with the mediawiki.rcfilters.filters.ui module.
*
* @internal For use by Resources.php only.
* @param RL\Context $context
* @return array
*/
public static function getRcFiltersConfigVars( RL\Context $context ) {
$lang = MediaWikiServices::getInstance()->getLanguageFactory()
->getLanguage( $context->getLanguage() );
return [
'RCFiltersChangeTags' => ChangeTags::getChangeTagList( $context, $lang ),
'StructuredChangeFiltersEditWatchlistUrl' =>
SpecialPage::getTitleFor( 'EditWatchlist' )->getLocalURL()
];
}
/**
* Add the "no results" message to the output
*/
protected function outputNoResults() {
$this->getOutput()->addHTML(
Html::rawElement(
'div',
[ 'class' => 'mw-changeslist-empty' ],
$this->msg( 'recentchanges-noresult' )->parse()
)
);
}
/**
* Add the "timeout" message to the output
*/
protected function outputTimeout() {
$this->getOutput()->addHTML(
'<div class="mw-changeslist-empty mw-changeslist-timeout">' .
$this->msg( 'recentchanges-timeout' )->parse() .
'</div>'
);
}
/**
* Get the database result for this special page instance. Used by ApiFeedRecentChanges.
*
* @return IResultWrapper|false
*/
public function getRows() {
$opts = $this->getOptions();
$tables = [];
$fields = [];
$conds = [];
$query_options = [];
$join_conds = [];
$this->buildQuery( $tables, $fields, $conds, $query_options, $join_conds, $opts );
return $this->doMainQuery( $tables, $fields, $conds, $query_options, $join_conds, $opts );
}
/**
* Get the current FormOptions for this request
*
* @return FormOptions
*/
public function getOptions() {
if ( $this->rcOptions === null ) {
$this->rcOptions = $this->setup( $this->rcSubpage );
}
return $this->rcOptions;
}
/**
* Register all filters and their groups (including those from hooks), plus handle
* conflicts and defaults.
*
* You might want to customize these in the same method, in subclasses. You can
* call getFilterGroup to access a group, and (on the group) getFilter to access a
* filter, then make necessary modfications to the filter or group (e.g. with
* setDefault).
*/
protected function registerFilters() {
$this->registerFiltersFromDefinitions( $this->filterGroupDefinitions );
// Make sure this is not being transcluded (we don't want to show this
// information to all users just because the user that saves the edit can
// patrol or is logged in)
if ( !$this->including() && $this->getUser()->useRCPatrol() ) {
$this->registerFiltersFromDefinitions( $this->legacyReviewStatusFilterGroupDefinition );
$this->registerFiltersFromDefinitions( $this->reviewStatusFilterGroupDefinition );
}
$changeTypeGroup = $this->getFilterGroup( 'changeType' );
$categoryFilter = null;
if ( $this->getConfig()->get( MainConfigNames::RCWatchCategoryMembership ) ) {
$transformedHideCategorizationDef = $this->transformFilterDefinition(
$this->hideCategorizationFilterDefinition
);
$transformedHideCategorizationDef['group'] = $changeTypeGroup;
$categoryFilter = new ChangesListBooleanFilter(
$transformedHideCategorizationDef
);
}
$this->getHookRunner()->onChangesListSpecialPageStructuredFilters( $this );
$this->registerFiltersFromDefinitions( [] );
$userExperienceLevel = $this->getFilterGroup( 'userExpLevel' );
$registered = $userExperienceLevel->getFilter( 'registered' );
$registered->setAsSupersetOf( $userExperienceLevel->getFilter( 'newcomer' ) );
$registered->setAsSupersetOf( $userExperienceLevel->getFilter( 'learner' ) );
$registered->setAsSupersetOf( $userExperienceLevel->getFilter( 'experienced' ) );
$logactionsFilter = $changeTypeGroup->getFilter( 'hidelog' );
$lognewuserFilter = $changeTypeGroup->getFilter( 'hidenewuserlog' );
$pagecreationFilter = $changeTypeGroup->getFilter( 'hidenewpages' );
$significanceTypeGroup = $this->getFilterGroup( 'significance' );
$hideMinorFilter = $significanceTypeGroup->getFilter( 'hideminor' );
if ( $categoryFilter !== null ) {
$hideMinorFilter->conflictsWith(
$categoryFilter,
'rcfilters-hideminor-conflicts-typeofchange-global',
'rcfilters-hideminor-conflicts-typeofchange',
'rcfilters-typeofchange-conflicts-hideminor'
);
}
$hideMinorFilter->conflictsWith(
$logactionsFilter,
'rcfilters-hideminor-conflicts-typeofchange-global',
'rcfilters-hideminor-conflicts-typeofchange',
'rcfilters-typeofchange-conflicts-hideminor'
);
$hideMinorFilter->conflictsWith(
$lognewuserFilter,
'rcfilters-hideminor-conflicts-typeofchange-global',
'rcfilters-hideminor-conflicts-typeofchange',
'rcfilters-typeofchange-conflicts-hideminor'
);
$hideMinorFilter->conflictsWith(
$pagecreationFilter,
'rcfilters-hideminor-conflicts-typeofchange-global',
'rcfilters-hideminor-conflicts-typeofchange',
'rcfilters-typeofchange-conflicts-hideminor'
);
}
/**
* Transforms filter definition to prepare it for constructor.
*
* See overrides of this method as well.
*
* @param array $filterDefinition Original filter definition
*
* @return array Transformed definition
*/
protected function transformFilterDefinition( array $filterDefinition ) {
return $filterDefinition;
}
/**
* Register filters from a definition object
*
* Array specifying groups and their filters; see Filter and
* ChangesListFilterGroup constructors.
*
* There is light processing to simplify core maintenance.
* @param array $definition
* @phan-param array<int,array{class:class-string<ChangesListFilterGroup>,filters:array}> $definition
*/
protected function registerFiltersFromDefinitions( array $definition ) {
$autoFillPriority = -1;
foreach ( $definition as $groupDefinition ) {
if ( !isset( $groupDefinition['priority'] ) ) {
$groupDefinition['priority'] = $autoFillPriority;
} else {
// If it's explicitly specified, start over the auto-fill
$autoFillPriority = $groupDefinition['priority'];
}
$autoFillPriority--;
$className = $groupDefinition['class'];
unset( $groupDefinition['class'] );
foreach ( $groupDefinition['filters'] as &$filterDefinition ) {
$filterDefinition = $this->transformFilterDefinition( $filterDefinition );
}
$this->registerFilterGroup( new $className( $groupDefinition ) );
}
}
/**
* @return ChangesListBooleanFilter[] The legacy show/hide toggle filters
*/
protected function getLegacyShowHideFilters() {
$filters = [];
foreach ( $this->filterGroups as $group ) {
if ( $group instanceof ChangesListBooleanFilterGroup ) {
foreach ( $group->getFilters() as $key => $filter ) {
if ( $filter->displaysOnUnstructuredUi() ) {
$filters[ $key ] = $filter;
}
}
}
}
return $filters;
}
/**
* Register all the filters, including legacy hook-driven ones.
* Then create a FormOptions object with options as specified by the user
*
* @param string $parameters
*
* @return FormOptions
*/
public function setup( $parameters ) {
$this->registerFilters();
$opts = $this->getDefaultOptions();
$opts = $this->fetchOptionsFromRequest( $opts );
// Give precedence to subpage syntax
if ( $parameters !== null ) {
$this->parseParameters( $parameters, $opts );
}
$this->validateOptions( $opts );
return $opts;
}
/**
* Get a FormOptions object containing the default options. By default, returns
* some basic options. The filters listed explicitly here are overridden in this
* method, in subclasses, but most filters (e.g. hideminor, userExpLevel filters,
* and more) are structured. Structured filters are overridden in registerFilters.
* not here.
*
* @return FormOptions
*/
public function getDefaultOptions() {
$opts = new FormOptions();
$structuredUI = $this->isStructuredFilterUiEnabled();
// If urlversion=2 is set, ignore the filter defaults and set them all to false/empty
$useDefaults = $this->getRequest()->getInt( 'urlversion' ) !== 2;
/** @var ChangesListFilterGroup $filterGroup */
foreach ( $this->filterGroups as $filterGroup ) {
$filterGroup->addOptions( $opts, $useDefaults, $structuredUI );
}
$opts->add( 'namespace', '', FormOptions::STRING );
// TODO: Rename this option to 'invertnamespaces'?
$opts->add( 'invert', false );
$opts->add( 'associated', false );
$opts->add( 'urlversion', 1 );
$opts->add( 'tagfilter', '' );
$opts->add( 'inverttags', false );
$opts->add( 'days', $this->getDefaultDays(), FormOptions::FLOAT );
$opts->add( 'limit', $this->getDefaultLimit(), FormOptions::INT );
$opts->add( 'from', '' );
return $opts;
}
/**
* Register a structured changes list filter group
*
* @param ChangesListFilterGroup $group
*/
public function registerFilterGroup( ChangesListFilterGroup $group ) {
$groupName = $group->getName();
$this->filterGroups[$groupName] = $group;
}
/**
* Gets the currently registered filters groups
*
* @return ChangesListFilterGroup[] Associative array of ChangesListFilterGroup objects, with group name as key
*/
protected function getFilterGroups() {
return $this->filterGroups;
}
/**
* Gets a specified ChangesListFilterGroup by name
*
* @param string $groupName Name of group
*
* @return ChangesListFilterGroup|null Group, or null if not registered
*/
public function getFilterGroup( $groupName ) {
return $this->filterGroups[$groupName] ?? null;
}
// Currently, this intentionally only includes filters that display
// in the structured UI. This can be changed easily, though, if we want
// to include data on filters that use the unstructured UI. messageKeys is a
// special top-level value, with the value being an array of the message keys to
// send to the client.
/**
* Gets structured filter information needed by JS
*
* @return array Associative array
* * array $return['groups'] Group data
* * array $return['messageKeys'] Array of message keys
*/
public function getStructuredFilterJsData() {
$output = [
'groups' => [],
'messageKeys' => [],
];
usort( $this->filterGroups, static function ( ChangesListFilterGroup $a, ChangesListFilterGroup $b ) {
return $b->getPriority() <=> $a->getPriority();
} );
foreach ( $this->filterGroups as $group ) {
$groupOutput = $group->getJsData();
if ( $groupOutput !== null ) {
$output['messageKeys'] = array_merge(
$output['messageKeys'],
$groupOutput['messageKeys']
);
unset( $groupOutput['messageKeys'] );
$output['groups'][] = $groupOutput;
}
}
return $output;
}
/**
* Fetch values for a FormOptions object from the WebRequest associated with this instance.
*
* Intended for subclassing, e.g. to add a backwards-compatibility layer.
*
* @param FormOptions $opts
* @return FormOptions
*/
protected function fetchOptionsFromRequest( $opts ) {
$opts->fetchValuesFromRequest( $this->getRequest() );
return $opts;
}
/**
* Process $par and put options found in $opts. Used when including the page.
*
* @param string $par
* @param FormOptions $opts
*/
public function parseParameters( $par, FormOptions $opts ) {
$stringParameterNameSet = [];
$hideParameterNameSet = [];
// URL parameters can be per-group, like 'userExpLevel',
// or per-filter, like 'hideminor'.
foreach ( $this->filterGroups as $filterGroup ) {
if ( $filterGroup instanceof ChangesListStringOptionsFilterGroup ) {
$stringParameterNameSet[$filterGroup->getName()] = true;
} elseif ( $filterGroup instanceof ChangesListBooleanFilterGroup ) {
foreach ( $filterGroup->getFilters() as $filter ) {
$hideParameterNameSet[$filter->getName()] = true;
}
}
}
$bits = preg_split( '/\s*,\s*/', trim( $par ) );
foreach ( $bits as $bit ) {
$m = [];
if ( isset( $hideParameterNameSet[$bit] ) ) {
// hidefoo => hidefoo=true
$opts[$bit] = true;
} elseif ( isset( $hideParameterNameSet["hide$bit"] ) ) {
// foo => hidefoo=false
$opts["hide$bit"] = false;
} elseif ( preg_match( '/^(.*)=(.*)$/', $bit, $m ) ) {
if ( isset( $stringParameterNameSet[$m[1]] ) ) {
$opts[$m[1]] = $m[2];
}
}
}
}
/**
* Validate a FormOptions object generated by getDefaultOptions() with values already populated.
*
* @param FormOptions $opts
*/
public function validateOptions( FormOptions $opts ) {
$isContradictory = $this->fixContradictoryOptions( $opts );
$isReplaced = $this->replaceOldOptions( $opts );
if ( $isContradictory || $isReplaced ) {
$query = wfArrayToCgi( $this->convertParamsForLink( $opts->getChangedValues() ) );
$this->getOutput()->redirect( $this->getPageTitle()->getCanonicalURL( $query ) );
}
$opts->validateIntBounds( 'limit', 0, 5000 );
$opts->validateBounds( 'days', 0,
$this->getConfig()->get( MainConfigNames::RCMaxAge ) / ( 3600 * 24 ) );
}
/**
* Fix invalid options by resetting pairs that should never appear together.
*
* @param FormOptions $opts
* @return bool True if any option was reset
*/
private function fixContradictoryOptions( FormOptions $opts ) {
$fixed = $this->fixBackwardsCompatibilityOptions( $opts );
foreach ( $this->filterGroups as $filterGroup ) {
if ( $filterGroup instanceof ChangesListBooleanFilterGroup ) {
$filters = $filterGroup->getFilters();
if ( count( $filters ) === 1 ) {
// legacy boolean filters should not be considered
continue;
}
$allInGroupEnabled = array_reduce(
$filters,
static function ( bool $carry, ChangesListBooleanFilter $filter ) use ( $opts ) {
return $carry && $opts[ $filter->getName() ];
},
/* initialValue */ count( $filters ) > 0
);
if ( $allInGroupEnabled ) {
foreach ( $filters as $filter ) {
$opts[ $filter->getName() ] = false;
}
$fixed = true;
}
}
}
return $fixed;
}
/**
* Fix a special case (hideanons=1 and hideliu=1) in a special way, for backwards
* compatibility.
*
* This is deprecated and may be removed.
*
* @param FormOptions $opts
* @return bool True if this change was mode
*/
private function fixBackwardsCompatibilityOptions( FormOptions $opts ) {
if ( $opts['hideanons'] && $opts['hideliu'] ) {
$opts->reset( 'hideanons' );
if ( !$opts['hidebots'] ) {
$opts->reset( 'hideliu' );
$opts['hidehumans'] = 1;
}
return true;
}
return false;
}
/**
* Replace old options with their structured UI equivalents
*
* @param FormOptions $opts
* @return bool True if the change was made
*/
public function replaceOldOptions( FormOptions $opts ) {
if ( !$this->isStructuredFilterUiEnabled() ) {
return false;
}
$changed = false;
// At this point 'hideanons' and 'hideliu' cannot be both true,
// because fixBackwardsCompatibilityOptions resets (at least) 'hideanons' in such case
if ( $opts[ 'hideanons' ] ) {
$opts->reset( 'hideanons' );
$opts[ 'userExpLevel' ] = 'registered';
$changed = true;
}
if ( $opts[ 'hideliu' ] ) {
$opts->reset( 'hideliu' );
$opts[ 'userExpLevel' ] = 'unregistered';
$changed = true;
}
if ( $this->getFilterGroup( 'legacyReviewStatus' ) ) {
if ( $opts[ 'hidepatrolled' ] ) {
$opts->reset( 'hidepatrolled' );
$opts[ 'reviewStatus' ] = 'unpatrolled';
$changed = true;
}
if ( $opts[ 'hideunpatrolled' ] ) {
$opts->reset( 'hideunpatrolled' );
$opts[ 'reviewStatus' ] = implode(
ChangesListStringOptionsFilterGroup::SEPARATOR,
[ 'manual', 'auto' ]
);
$changed = true;
}
}
return $changed;
}
/**
* Convert parameters values from true/false to 1/0
* so they are not omitted by wfArrayToCgi()
* T38524
*
* @param array $params
* @return array
*/
protected function convertParamsForLink( $params ) {
foreach ( $params as &$value ) {
if ( $value === false ) {
$value = '0';
}
}
unset( $value );
return $params;
}
/**
* Sets appropriate tables, fields, conditions, etc. depending on which filters
* the user requested.
*
* @param array &$tables Array of tables; see IReadableDatabase::select $table
* @param array &$fields Array of fields; see IReadableDatabase::select $vars
* @param array &$conds Array of conditions; see IReadableDatabase::select $conds
* @param array &$query_options Array of query options; see IReadableDatabase::select $options
* @param array &$join_conds Array of join conditions; see IReadableDatabase::select $join_conds
* @param FormOptions $opts
*/
protected function buildQuery( &$tables, &$fields, &$conds, &$query_options,
&$join_conds, FormOptions $opts
) {
$dbr = $this->getDB();
$isStructuredUI = $this->isStructuredFilterUiEnabled();
/** @var ChangesListFilterGroup $filterGroup */
foreach ( $this->filterGroups as $filterGroup ) {
$filterGroup->modifyQuery( $dbr, $this, $tables, $fields, $conds,
$query_options, $join_conds, $opts, $isStructuredUI );
}
// Namespace filtering
if ( $opts[ 'namespace' ] !== '' ) {
$namespaces = explode( ';', $opts[ 'namespace' ] );
$namespaces = $this->expandSymbolicNamespaceFilters( $namespaces );
$namespaceInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
$namespaces = array_filter( $namespaces, [ $namespaceInfo, 'exists' ] );
if ( $namespaces !== [] ) {
// Namespaces are just ints, use them as int when acting with the database
$namespaces = array_map( 'intval', $namespaces );
if ( $opts[ 'associated' ] ) {
$associatedNamespaces = array_map(
[ $namespaceInfo, 'getAssociated' ],
array_filter( $namespaces, [ $namespaceInfo, 'hasTalkNamespace' ] )
);
$namespaces = array_unique( array_merge( $namespaces, $associatedNamespaces ) );
}
if ( count( $namespaces ) === 1 ) {
$operator = $opts[ 'invert' ] ? '!=' : '=';
$value = $dbr->addQuotes( reset( $namespaces ) );
} else {
$operator = $opts[ 'invert' ] ? 'NOT IN' : 'IN';
sort( $namespaces );
$value = '(' . $dbr->makeList( $namespaces ) . ')';
}
$conds[] = "rc_namespace $operator $value";
}
}
// Calculate cutoff
$cutoff_unixtime = time() - $opts['days'] * 3600 * 24;
$cutoff = $dbr->timestamp( $cutoff_unixtime );
$fromValid = preg_match( '/^[0-9]{14}$/', $opts['from'] );
if ( $fromValid && $opts['from'] > wfTimestamp( TS_MW, $cutoff ) ) {
$cutoff = $dbr->timestamp( $opts['from'] );
} else {
$opts->reset( 'from' );
}
$conds[] = $dbr->expr( 'rc_timestamp', '>=', $cutoff );
}
/**
* Process the query
*
* @param array $tables Array of tables; see IReadableDatabase::select $table
* @param array $fields Array of fields; see IReadableDatabase::select $vars
* @param array $conds Array of conditions; see IReadableDatabase::select $conds
* @param array $query_options Array of query options; see IReadableDatabase::select $options
* @param array $join_conds Array of join conditions; see IReadableDatabase::select $join_conds
* @param FormOptions $opts
* @return bool|IResultWrapper Result or false
*/
protected function doMainQuery( $tables, $fields, $conds,
$query_options, $join_conds, FormOptions $opts
) {
$rcQuery = RecentChange::getQueryInfo();
$tables = array_merge( $tables, $rcQuery['tables'] );
$fields = array_merge( $rcQuery['fields'], $fields );
$join_conds = array_merge( $join_conds, $rcQuery['joins'] );
ChangeTags::modifyDisplayQuery(
$tables,
$fields,
$conds,
$join_conds,
$query_options,
'',
$opts[ 'inverttags' ]
);
if (
!$this->runMainQueryHook( $tables, $fields, $conds, $query_options, $join_conds, $opts )
) {
return false;
}
$dbr = $this->getDB();
return $dbr->select(
$tables,
$fields,
$conds,
__METHOD__,
$query_options,
$join_conds
);
}
protected function runMainQueryHook( &$tables, &$fields, &$conds,
&$query_options, &$join_conds, $opts
) {
return $this->getHookRunner()->onChangesListSpecialPageQuery(
$this->getName(), $tables, $fields, $conds, $query_options, $join_conds, $opts );
}
/**
* Which database to use for read queries
*
* @return IReadableDatabase
*/
protected function getDB(): IReadableDatabase {
return MediaWikiServices::getInstance()->getConnectionProvider()->getReplicaDatabase();
}
/**
* Send header output to the OutputPage object, only called if not using feeds
*
* @param int $rowCount Number of database rows
* @param FormOptions $opts
*/
private function webOutputHeader( $rowCount, $opts ) {
if ( !$this->including() ) {
$this->outputFeedLinks();
$this->doHeader( $opts, $rowCount );
}
}
/**
* Send output to the OutputPage object, only called if not used feeds
*
* @param IResultWrapper $rows Database rows
* @param FormOptions $opts
*/
public function webOutput( $rows, $opts ) {
$this->webOutputHeader( $rows->numRows(), $opts );
$this->outputChangesList( $rows, $opts );
}
public function outputFeedLinks() {
// nothing by default
}
/**
* Build and output the actual changes list.
*
* @param IResultWrapper $rows Database rows
* @param FormOptions $opts
*/
abstract public function outputChangesList( $rows, $opts );
/**
* Set the text to be displayed above the changes
*
* @param FormOptions $opts
* @param int $numRows Number of rows in the result to show after this header
*/
public function doHeader( $opts, $numRows ) {
$this->setTopText( $opts );
// @todo Lots of stuff should be done here.
$this->setBottomText( $opts );
}
/**
* Send the text to be displayed before the options.
* Should use $this->getOutput()->addWikiTextAsInterface()
* or similar methods to print the text.
*
* @param FormOptions $opts
*/
public function setTopText( FormOptions $opts ) {
// nothing by default
}
/**
* Send the text to be displayed after the options.
* Should use $this->getOutput()->addWikiTextAsInterface()
* or similar methods to print the text.
*
* @param FormOptions $opts
*/
public function setBottomText( FormOptions $opts ) {
// nothing by default
}
/**
* Get options to be displayed in a form
* @todo This should handle options returned by getDefaultOptions().
* @todo Not called by anything in this class (but is in subclasses), should be
* called by something… doHeader() maybe?
*
* @param FormOptions $opts
* @return array
*/
public function getExtraOptions( $opts ) {
return [];
}
/**
* Return the legend displayed within the fieldset
*
* @return string
*/
public function makeLegend() {
$context = $this->getContext();
$user = $context->getUser();
# The legend showing what the letters and stuff mean
$legend = Html::openElement( 'dl' ) . "\n";
# Iterates through them and gets the messages for both letter and tooltip
$legendItems = $context->getConfig()->get( MainConfigNames::RecentChangesFlags );
if ( !( $user->useRCPatrol() || $user->useNPPatrol() ) ) {
unset( $legendItems['unpatrolled'] );
}
foreach ( $legendItems as $key => $item ) { # generate items of the legend
$label = $item['legend'] ?? $item['title'];
$letter = $item['letter'];
$cssClass = $item['class'] ?? $key;
$legend .= Html::element( 'dt',
[ 'class' => $cssClass ], $context->msg( $letter )->text()
) . "\n" .
Html::rawElement( 'dd',
[ 'class' => Sanitizer::escapeClass( 'mw-changeslist-legend-' . $key ) ],
$context->msg( $label )->parse()
) . "\n";
}
# (+-123)
$legend .= Html::rawElement( 'dt',
[ 'class' => 'mw-plusminus-pos' ],
$context->msg( 'recentchanges-legend-plusminus' )->parse()
) . "\n";
$legend .= Html::element(
'dd',
[ 'class' => 'mw-changeslist-legend-plusminus' ],
$context->msg( 'recentchanges-label-plusminus' )->text()
) . "\n";
// Watchlist expiry clock icon.
if ( $context->getConfig()->get( MainConfigNames::WatchlistExpiry ) && !$this->including() ) {
$widget = new IconWidget( [
'icon' => 'clock',
'classes' => [ 'mw-changesList-watchlistExpiry' ],
] );
// Link the image to its label for assistive technologies.
$watchlistLabelId = 'mw-changeslist-watchlistExpiry-label';
$widget->getIconElement()->setAttributes( [
'role' => 'img',
'aria-labelledby' => $watchlistLabelId,
] );
$legend .= Html::rawElement(
'dt',
[ 'class' => 'mw-changeslist-legend-watchlistexpiry' ],
$widget
);
$legend .= Html::element(
'dd',
[ 'class' => 'mw-changeslist-legend-watchlistexpiry', 'id' => $watchlistLabelId ],
$context->msg( 'recentchanges-legend-watchlistexpiry' )->text()
);
}
$legend .= Html::closeElement( 'dl' ) . "\n";
$legendHeading = $this->isStructuredFilterUiEnabled() ?
$context->msg( 'rcfilters-legend-heading' )->parse() :
$context->msg( 'recentchanges-legend-heading' )->parse();
# Collapsible
$collapsedState = $this->getRequest()->getCookie( 'changeslist-state' );
$legend = Html::rawElement( 'details', [
'class' => 'mw-changeslist-legend',
'open' => $collapsedState !== 'collapsed' ? 'open' : null,
],
Html::rawElement( 'summary', [], $legendHeading ) .
$legend
);
return $legend;
}
/**
* Add page-specific modules.
*/
protected function addModules() {
$out = $this->getOutput();
// Styles and behavior for the legend box (see makeLegend())
$out->addModuleStyles( [
'mediawiki.interface.helpers.styles',
'mediawiki.special.changeslist.legend',
'mediawiki.special.changeslist',
] );
$out->addModules( 'mediawiki.special.changeslist.legend.js' );
if ( $this->isStructuredFilterUiEnabled() && !$this->including() ) {
$out->addModules( 'mediawiki.rcfilters.filters.ui' );
$out->addModuleStyles( 'mediawiki.rcfilters.filters.base.styles' );
}
}
protected function getGroupName() {
return 'changes';
}
/**
* Return expression that is true when the user is or isn't registered.
* @param bool $isRegistered
* @param IReadableDatabase $dbr
* @return IExpression
*/
private function getRegisteredExpr( $isRegistered, $dbr ): IExpression {
$expr = $dbr->expr( 'actor_user', $isRegistered ? '!=' : '=', null );
if ( !$this->tempUserConfig->isEnabled() ) {
return $expr;
}
if ( $isRegistered ) {
return $expr->andExpr( $this->tempUserConfig->getMatchCondition( $dbr,
'actor_name', IExpression::NOT_LIKE ) );
} else {
return $expr->orExpr( $this->tempUserConfig->getMatchCondition( $dbr,
'actor_name', IExpression::LIKE ) );
}
}
/**
* Return expression that is true when the user has reached the given experience level.
* @param string $level 'learner' or 'experienced'
* @param int $now Current time as UNIX timestamp (if 0, uses actual time)
* @param IReadableDatabase $dbr
* @return IExpression
*/
private function getExperienceExpr( $level, $now, IReadableDatabase $dbr ): IExpression {
$config = $this->getConfig();
$configSince = [
'learner' => $config->get( MainConfigNames::LearnerMemberSince ),
'experienced' => $config->get( MainConfigNames::ExperiencedUserMemberSince ),
][$level];
if ( $now === 0 ) {
$now = time();
}
$secondsPerDay = 86400;
$timeCutoff = $now - $configSince * $secondsPerDay;
$editCutoff = [
'learner' => $config->get( MainConfigNames::LearnerEdits ),
'experienced' => $config->get( MainConfigNames::ExperiencedUserEdits ),
][$level];
return $dbr->expr( 'user_editcount', '>=', intval( $editCutoff ) )->andExpr(
// Users who don't have user_registration set are very old, so we assume they're above any cutoff
$dbr->expr( 'user_registration', '=', null )
->or( 'user_registration', '<=', $dbr->timestamp( $timeCutoff ) )
);
}
/**
* Filter on users' experience levels; this will not be called if nothing is
* selected.
*
* @param string $specialPageClassName Class name of current special page
* @param IContextSource $context Context, for e.g. user
* @param IReadableDatabase $dbr Database, for addQuotes, makeList, and similar
* @param array &$tables Array of tables; see IReadableDatabase::select $table
* @param array &$fields Array of fields; see IReadableDatabase::select $vars
* @param array &$conds Array of conditions; see IReadableDatabase::select $conds
* @param array &$query_options Array of query options; see IReadableDatabase::select $options
* @param array &$join_conds Array of join conditions; see IReadableDatabase::select $join_conds
* @param array $selectedExpLevels The allowed active values, sorted
* @param int $now Current time as UNIX timestamp (if 0, uses actual time)
*/
public function filterOnUserExperienceLevel( $specialPageClassName, $context, $dbr,
&$tables, &$fields, &$conds, &$query_options, &$join_conds, $selectedExpLevels, $now = 0
) {
$selected = array_fill_keys( $selectedExpLevels, true );
$isUnregistered = $this->getRegisteredExpr( false, $dbr )->toSql( $dbr );
$isRegistered = $this->getRegisteredExpr( true, $dbr )->toSql( $dbr );
$aboveNewcomer = $this->getExperienceExpr( 'learner', $now, $dbr )->toSql( $dbr );
$aboveLearner = $this->getExperienceExpr( 'experienced', $now, $dbr )->toSql( $dbr );
// We need to select some range of user experience levels, from the following table:
// | Unregistered | --------- Registered --------- |
// | | Newcomers | Learners | Experienced |
// |<------------>|<----------->|<---------->|<----------->|
// We just need to define a condition for each of the columns, figure out which are selected,
// and then OR them together.
$columnConds = [
'unregistered' => [ $isUnregistered ],
'registered' => [ $isRegistered ],
'newcomer' => [ $isRegistered, "NOT ( $aboveNewcomer )" ],
'learner' => [ $isRegistered, $aboveNewcomer, "NOT ( $aboveLearner )" ],
'experienced' => [ $isRegistered, $aboveLearner ],
];
foreach ( $columnConds as &$nestedConds ) {
$nestedConds = $dbr->makeList( $nestedConds, IReadableDatabase::LIST_AND );
}
// There are some cases where we can easily optimize away some queries:
// | Unregistered | --------- Registered --------- |
// | | Newcomers | Learners | Experienced |
// | |<-------------------------------------->| (1)
// |<----------------------------------------------------->| (2)
// (1) Selecting all of "Newcomers", "Learners" and "Experienced users" is the same as "Registered".
if (
isset( $selected['registered'] ) ||
( isset( $selected['newcomer'] ) && isset( $selected['learner'] ) && isset( $selected['experienced'] ) )
) {
unset( $selected['newcomer'], $selected['learner'], $selected['experienced'] );
$selected['registered'] = true;
}
// (2) Selecting "Unregistered" and "Registered" covers all users.
if ( isset( $selected['registered'] ) && isset( $selected['unregistered'] ) ) {
unset( $selected['registered'], $selected['unregistered'] );
}
// Combine the conditions for the selected columns.
if ( !$selected ) {
return;
}
$selectedColumnConds = array_values( array_intersect_key( $columnConds, $selected ) );
$conds[] = $dbr->makeList( $selectedColumnConds, IReadableDatabase::LIST_OR );
// Add necessary tables to the queries.
$join_conds['recentchanges_actor'] = [ 'JOIN', 'actor_id=rc_actor' ];
if ( isset( $selected['newcomer'] ) || isset( $selected['learner'] ) || isset( $selected['experienced'] ) ) {
$tables[] = 'user';
$join_conds['user'] = [ 'LEFT JOIN', 'actor_user=user_id' ];
}
}
/**
* Check whether the structured filter UI is enabled
*
* @return bool
*/
public function isStructuredFilterUiEnabled() {
if ( $this->getRequest()->getBool( 'rcfilters' ) ) {
return true;
}
return static::checkStructuredFilterUiEnabled( $this->getUser() );
}
/**
* Static method to check whether StructuredFilter UI is enabled for the given user
*
* @since 1.31
* @param UserIdentity $user
* @return bool
*/
public static function checkStructuredFilterUiEnabled( UserIdentity $user ) {
return !MediaWikiServices::getInstance()
->getUserOptionsLookup()
->getOption( $user, 'rcenhancedfilters-disable' );
}
/**
* Get the default value of the number of changes to display when loading
* the result set.
*
* @since 1.30
* @return int
*/
public function getDefaultLimit() {
return MediaWikiServices::getInstance()
->getUserOptionsLookup()
->getIntOption( $this->getUser(), $this->getLimitPreferenceName() );
}
/**
* Get the default value of the number of days to display when loading
* the result set.
* Supports fractional values, and should be cast to a float.
*
* @since 1.30
* @return float
*/
public function getDefaultDays() {
return floatval( MediaWikiServices::getInstance()
->getUserOptionsLookup()
->getOption( $this->getUser(), $this->getDefaultDaysPreferenceName() ) );
}
/**
* Getting the preference name for 'limit'.
*
* @since 1.37
* @return string
*/
abstract protected function getLimitPreferenceName(): string;
/**
* Preference name for saved queries.
*
* @since 1.38
* @return string
*/
abstract protected function getSavedQueriesPreferenceName(): string;
/**
* Preference name for 'days'.
*
* @since 1.38
* @return string
*/
abstract protected function getDefaultDaysPreferenceName(): string;
/**
* Preference name for collapsing the active filter display.
*
* @since 1.38
* @return string
*/
abstract protected function getCollapsedPreferenceName(): string;
/**
* @param array $namespaces
* @return array
*/
private function expandSymbolicNamespaceFilters( array $namespaces ) {
$nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
$symbolicFilters = [
'all-contents' => $nsInfo->getSubjectNamespaces(),
'all-discussions' => $nsInfo->getTalkNamespaces(),
];
$additionalNamespaces = [];
foreach ( $symbolicFilters as $name => $values ) {
if ( in_array( $name, $namespaces ) ) {
$additionalNamespaces = array_merge( $additionalNamespaces, $values );
}
}
$namespaces = array_diff( $namespaces, array_keys( $symbolicFilters ) );
$namespaces = array_merge( $namespaces, $additionalNamespaces );
return array_unique( $namespaces );
}
}
/** @deprecated class alias since 1.41 */
class_alias( ChangesListSpecialPage::class, 'ChangesListSpecialPage' );