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<?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 * @ingroup Pager */ namespace MediaWiki\Pager; use LocalRepo; use MediaWiki\Cache\LinkBatchFactory; use MediaWiki\CommentFormatter\CommentFormatter; use MediaWiki\CommentStore\CommentStore; use MediaWiki\Context\IContextSource; use MediaWiki\Html\Html; use MediaWiki\HTMLForm\HTMLForm; use MediaWiki\Linker\Linker; use MediaWiki\Linker\LinkRenderer; use MediaWiki\MainConfigNames; use MediaWiki\SpecialPage\SpecialPage; use MediaWiki\Title\Title; use MediaWiki\User\User; use MediaWiki\User\UserNameUtils; use MediaWiki\Xml\Xml; use RepoGroup; use UnexpectedValueException; use Wikimedia\Rdbms\FakeResultWrapper; use Wikimedia\Rdbms\IConnectionProvider; use Wikimedia\Rdbms\IResultWrapper; use Wikimedia\Rdbms\Subquery; /** * @ingroup Pager */ class ImageListPager extends TablePager { /** @var string[]|null */ protected $mFieldNames = null; /** * @deprecated Subclasses should override {@see buildQueryConds} instead * @var array */ protected $mQueryConds = []; /** @var string|null */ protected $mUserName = null; /** @var User|null The relevant user */ protected $mUser = null; /** @var bool */ protected $mIncluding = false; /** @var bool */ protected $mShowAll = false; /** @var string */ protected $mTableName = 'image'; private CommentStore $commentStore; private LocalRepo $localRepo; private CommentFormatter $commentFormatter; private LinkBatchFactory $linkBatchFactory; /** * The unique sort fields for the sort options for unique paginate */ private const INDEX_FIELDS = [ 'img_timestamp' => [ 'img_timestamp', 'img_name' ], 'img_name' => [ 'img_name' ], 'img_size' => [ 'img_size', 'img_name' ], ]; /** * @param IContextSource $context * @param CommentStore $commentStore * @param LinkRenderer $linkRenderer * @param IConnectionProvider $dbProvider * @param RepoGroup $repoGroup * @param UserNameUtils $userNameUtils * @param CommentFormatter $commentFormatter * @param LinkBatchFactory $linkBatchFactory * @param string $userName * @param string $search * @param bool $including * @param bool $showAll */ public function __construct( IContextSource $context, CommentStore $commentStore, LinkRenderer $linkRenderer, IConnectionProvider $dbProvider, RepoGroup $repoGroup, UserNameUtils $userNameUtils, CommentFormatter $commentFormatter, LinkBatchFactory $linkBatchFactory, $userName, $search, $including, $showAll ) { $this->setContext( $context ); $this->mIncluding = $including; $this->mShowAll = $showAll; if ( $userName !== null && $userName !== '' ) { $nt = Title::makeTitleSafe( NS_USER, $userName ); if ( $nt === null ) { $this->outputUserDoesNotExist( $userName ); } else { $this->mUserName = $nt->getText(); $user = User::newFromName( $this->mUserName, false ); if ( $user ) { $this->mUser = $user; } if ( !$user || ( $user->isAnon() && !$userNameUtils->isIP( $user->getName() ) ) ) { $this->outputUserDoesNotExist( $userName ); } } } if ( $including || $this->getRequest()->getText( 'sort', 'img_date' ) === 'img_date' ) { $this->mDefaultDirection = IndexPager::DIR_DESCENDING; } else { $this->mDefaultDirection = IndexPager::DIR_ASCENDING; } // Set database before parent constructor to avoid setting it there $this->mDb = $dbProvider->getReplicaDatabase(); parent::__construct( $context, $linkRenderer ); $this->commentStore = $commentStore; $this->localRepo = $repoGroup->getLocalRepo(); $this->commentFormatter = $commentFormatter; $this->linkBatchFactory = $linkBatchFactory; } /** * Get the user relevant to the ImageList * * @return User|null */ public function getRelevantUser() { return $this->mUser; } /** * Add a message to the output stating that the user doesn't exist * * @param string $userName Unescaped user name */ protected function outputUserDoesNotExist( $userName ) { $this->getOutput()->addHTML( Html::warningBox( $this->getOutput()->msg( 'listfiles-userdoesnotexist', wfEscapeWikiText( $userName ) )->parse(), 'mw-userpage-userdoesnotexist' ) ); } /** * Build the where clause of the query. * * Replaces the older mQueryConds member variable. * @param string $table Either "image" or "oldimage" * @return array The query conditions. */ protected function buildQueryConds( $table ) { $conds = []; if ( $this->mUserName !== null ) { // getQueryInfoReal() should have handled the tables and joins. $conds['actor_name'] = $this->mUserName; } if ( $table === 'oldimage' ) { // Don't want to deal with revdel. // Future fixme: Show partial information as appropriate. // Would have to be careful about filtering by username when username is deleted. $conds['oi_deleted'] = 0; } // Add mQueryConds in case anyone was subclassing and using the old variable. return $conds + $this->mQueryConds; } protected function getFieldNames() { if ( !$this->mFieldNames ) { $this->mFieldNames = [ 'img_timestamp' => $this->msg( 'listfiles_date' )->text(), 'img_name' => $this->msg( 'listfiles_name' )->text(), 'thumb' => $this->msg( 'listfiles_thumb' )->text(), 'img_size' => $this->msg( 'listfiles_size' )->text(), ]; if ( $this->mUserName === null ) { // Do not show username if filtering by username $this->mFieldNames['img_actor'] = $this->msg( 'listfiles_user' )->text(); } // img_description down here, in order so that its still after the username field. $this->mFieldNames['img_description'] = $this->msg( 'listfiles_description' )->text(); if ( $this->mShowAll ) { $this->mFieldNames['top'] = $this->msg( 'listfiles-latestversion' )->text(); } elseif ( !$this->getConfig()->get( MainConfigNames::MiserMode ) ) { $this->mFieldNames['count'] = $this->msg( 'listfiles_count' )->text(); } } return $this->mFieldNames; } protected function isFieldSortable( $field ) { if ( $this->mIncluding ) { return false; } /* For reference, the indices we can use for sorting are: * On the image table: img_actor_timestamp, img_size, img_timestamp * On oldimage: oi_actor_timestamp, oi_name_timestamp * * In particular that means we cannot sort by timestamp when not filtering * by user and including old images in the results. Which is sad. (T279982) */ if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) { if ( $this->mUserName !== null ) { // If we're sorting by user, the index only supports sorting by time. return $field === 'img_timestamp'; } elseif ( $this->mShowAll ) { // no oi_timestamp index, so only alphabetical sorting in this case. return $field === 'img_name'; } } return isset( self::INDEX_FIELDS[$field] ); } public function getQueryInfo() { // Hacky Hacky Hacky - I want to get query info // for two different tables, without reimplementing // the pager class. return $this->getQueryInfoReal( $this->mTableName ); } /** * Actually get the query info. * * This is to allow displaying both stuff from image and oldimage table. * * This is a bit hacky. * * @param string $table Either 'image' or 'oldimage' * @return array Query info */ protected function getQueryInfoReal( $table ) { $dbr = $this->getDatabase(); $prefix = $table === 'oldimage' ? 'oi' : 'img'; $tables = [ $table, 'actor' ]; $join_conds = []; if ( $table === 'oldimage' ) { $fields = [ 'img_timestamp' => 'oi_timestamp', 'img_name' => 'oi_name', 'img_size' => 'oi_size', 'top' => $dbr->addQuotes( 'no' ) ]; $join_conds['actor'] = [ 'JOIN', 'actor_id=oi_actor' ]; } else { $fields = [ 'img_timestamp', 'img_name', 'img_size', 'top' => $dbr->addQuotes( 'yes' ) ]; $join_conds['actor'] = [ 'JOIN', 'actor_id=img_actor' ]; } # Description field $commentQuery = $this->commentStore->getJoin( $prefix . '_description' ); $tables += $commentQuery['tables']; $fields += $commentQuery['fields']; $join_conds += $commentQuery['joins']; $fields['description_field'] = $dbr->addQuotes( "{$prefix}_description" ); # Actor fields $fields[] = 'actor_user'; $fields[] = 'actor_name'; # Depends on $wgMiserMode # Will also not happen if mShowAll is true. if ( array_key_exists( 'count', $this->getFieldNames() ) ) { $fields['count'] = new Subquery( $dbr->newSelectQueryBuilder() ->select( 'COUNT(oi_archive_name)' ) ->from( 'oldimage' ) ->where( 'oi_name = img_name' ) ->caller( __METHOD__ ) ->getSQL() ); } return [ 'tables' => $tables, 'fields' => $fields, 'conds' => $this->buildQueryConds( $table ), 'options' => [], 'join_conds' => $join_conds ]; } /** * Override reallyDoQuery to mix together two queries. * * @param string $offset * @param int $limit * @param bool $order IndexPager::QUERY_ASCENDING or IndexPager::QUERY_DESCENDING * @return IResultWrapper */ public function reallyDoQuery( $offset, $limit, $order ) { $dbr = $this->getDatabase(); $prevTableName = $this->mTableName; $this->mTableName = 'image'; [ $tables, $fields, $conds, $fname, $options, $join_conds ] = $this->buildQueryInfo( $offset, $limit, $order ); $imageRes = $dbr->newSelectQueryBuilder() ->tables( is_array( $tables ) ? $tables : [ $tables ] ) ->fields( $fields ) ->conds( $conds ) ->caller( $fname ) ->options( $options ) ->joinConds( $join_conds ) ->fetchResultSet(); $this->mTableName = $prevTableName; if ( !$this->mShowAll ) { return $imageRes; } $this->mTableName = 'oldimage'; # Hacky... $oldIndex = $this->mIndexField; foreach ( $this->mIndexField as &$index ) { if ( !str_starts_with( $index, 'img_' ) ) { throw new UnexpectedValueException( "Expected to be sorting on an image table field" ); } $index = 'oi_' . substr( $index, 4 ); } unset( $index ); [ $tables, $fields, $conds, $fname, $options, $join_conds ] = $this->buildQueryInfo( $offset, $limit, $order ); $oldimageRes = $dbr->newSelectQueryBuilder() ->tables( is_array( $tables ) ? $tables : [ $tables ] ) ->fields( $fields ) ->conds( $conds ) ->caller( $fname ) ->options( $options ) ->joinConds( $join_conds ) ->fetchResultSet(); $this->mTableName = $prevTableName; $this->mIndexField = $oldIndex; return $this->combineResult( $imageRes, $oldimageRes, $limit, $order ); } /** * Combine results from 2 tables. * * Note: This will throw away some results * * @param IResultWrapper $res1 * @param IResultWrapper $res2 * @param int $limit * @param bool $order IndexPager::QUERY_ASCENDING or IndexPager::QUERY_DESCENDING * @return IResultWrapper $res1 and $res2 combined */ protected function combineResult( $res1, $res2, $limit, $order ) { $res1->rewind(); $res2->rewind(); $topRes1 = $res1->fetchObject(); $topRes2 = $res2->fetchObject(); $resultArray = []; for ( $i = 0; $i < $limit && $topRes1 && $topRes2; $i++ ) { if ( strcmp( $topRes1->{$this->mIndexField[0]}, $topRes2->{$this->mIndexField[0]} ) > 0 ) { if ( $order !== IndexPager::QUERY_ASCENDING ) { $resultArray[] = $topRes1; $topRes1 = $res1->fetchObject(); } else { $resultArray[] = $topRes2; $topRes2 = $res2->fetchObject(); } } elseif ( $order !== IndexPager::QUERY_ASCENDING ) { $resultArray[] = $topRes2; $topRes2 = $res2->fetchObject(); } else { $resultArray[] = $topRes1; $topRes1 = $res1->fetchObject(); } } for ( ; $i < $limit && $topRes1; $i++ ) { $resultArray[] = $topRes1; $topRes1 = $res1->fetchObject(); } for ( ; $i < $limit && $topRes2; $i++ ) { $resultArray[] = $topRes2; $topRes2 = $res2->fetchObject(); } return new FakeResultWrapper( $resultArray ); } public function getIndexField() { return [ self::INDEX_FIELDS[$this->mSort] ]; } public function getDefaultSort() { if ( $this->mShowAll && $this->getConfig()->get( MainConfigNames::MiserMode ) && $this->mUserName === null ) { // Unfortunately no index on oi_timestamp. return 'img_name'; } else { return 'img_timestamp'; } } protected function doBatchLookups() { $this->mResult->seek( 0 ); $batch = $this->linkBatchFactory->newLinkBatch(); foreach ( $this->mResult as $row ) { $batch->add( NS_USER, $row->actor_name ); $batch->add( NS_USER_TALK, $row->actor_name ); $batch->add( NS_FILE, $row->img_name ); } $batch->execute(); } /** * @param string $field * @param string|null $value * @return string */ public function formatValue( $field, $value ) { $linkRenderer = $this->getLinkRenderer(); switch ( $field ) { case 'thumb': $opt = [ 'time' => wfTimestamp( TS_MW, $this->mCurrentRow->img_timestamp ) ]; $file = $this->localRepo->findFile( $this->getCurrentRow()->img_name, $opt ); // If statement for paranoia if ( $file ) { $thumb = $file->transform( [ 'width' => 180, 'height' => 360 ] ); if ( $thumb ) { return $thumb->toHtml( [ 'desc-link' => true, 'loading' => 'lazy' ] ); } return $this->msg( 'thumbnail_error', '' )->escaped(); } else { return htmlspecialchars( $this->getCurrentRow()->img_name ); } case 'img_timestamp': // We may want to make this a link to the "old" version when displaying old files return htmlspecialchars( $this->getLanguage()->userTimeAndDate( $value, $this->getUser() ) ); case 'img_name': static $imgfile = null; $imgfile ??= $this->msg( 'imgfile' )->text(); // Weird files can maybe exist? T24227 $filePage = Title::makeTitleSafe( NS_FILE, $value ); if ( $filePage ) { $html = $linkRenderer->makeKnownLink( $filePage, $filePage->getText() ); $opt = [ 'time' => wfTimestamp( TS_MW, $this->mCurrentRow->img_timestamp ) ]; $file = $this->localRepo->findFile( $value, $opt ); if ( $file ) { $download = Xml::element( 'a', [ 'href' => $file->getUrl() ], $imgfile ); $html .= ' ' . $this->msg( 'parentheses' )->rawParams( $download )->escaped(); } // Add delete links if allowed // From https://github.com/Wikia/app/pull/3859 if ( $this->getAuthority()->probablyCan( 'delete', $filePage ) ) { $deleteMsg = $this->msg( 'listfiles-delete' )->text(); $delete = $linkRenderer->makeKnownLink( $filePage, $deleteMsg, [], [ 'action' => 'delete' ] ); $html .= ' ' . $this->msg( 'parentheses' )->rawParams( $delete )->escaped(); } return $html; } else { return htmlspecialchars( $value ); } case 'img_actor': $userId = (int)$this->mCurrentRow->actor_user; $userName = $this->mCurrentRow->actor_name; return Linker::userLink( $userId, $userName ) . Linker::userToolLinks( $userId, $userName ); case 'img_size': return htmlspecialchars( $this->getLanguage()->formatSize( (int)$value ) ); case 'img_description': $field = $this->mCurrentRow->description_field; $value = $this->commentStore->getComment( $field, $this->mCurrentRow )->text; return $this->commentFormatter->format( $value ); case 'count': return htmlspecialchars( $this->getLanguage()->formatNum( intval( $value ) + 1 ) ); case 'top': // Messages: listfiles-latestversion-yes, listfiles-latestversion-no return $this->msg( 'listfiles-latestversion-' . $value )->escaped(); default: throw new UnexpectedValueException( "Unknown field '$field'" ); } } /** * Escape the options list * @return array */ private function getEscapedLimitSelectList(): array { $list = $this->getLimitSelectList(); $result = []; foreach ( $list as $key => $value ) { $result[htmlspecialchars( $key )] = $value; } return $result; } public function getForm() { $formDescriptor = []; $formDescriptor['limit'] = [ 'type' => 'radio', 'name' => 'limit', 'label-message' => 'table_pager_limit_label', 'options' => $this->getEscapedLimitSelectList(), 'flatlist' => true, 'default' => $this->mLimit ]; $formDescriptor['user'] = [ 'type' => 'user', 'name' => 'user', 'id' => 'mw-listfiles-user', 'label-message' => 'username', 'default' => $this->mUserName, 'size' => '40', 'maxlength' => '255', ]; $formDescriptor['ilshowall'] = [ 'type' => 'check', 'name' => 'ilshowall', 'id' => 'mw-listfiles-show-all', 'label-message' => 'listfiles-show-all', 'default' => $this->mShowAll, ]; $query = $this->getRequest()->getQueryValues(); unset( $query['title'] ); unset( $query['limit'] ); unset( $query['ilsearch'] ); unset( $query['ilshowall'] ); unset( $query['user'] ); HTMLForm::factory( 'ooui', $formDescriptor, $this->getContext() ) ->setMethod( 'get' ) ->setId( 'mw-listfiles-form' ) ->setTitle( $this->getTitle() ) ->setSubmitTextMsg( 'listfiles-pager-submit' ) ->setWrapperLegendMsg( 'listfiles' ) ->addHiddenFields( $query ) ->prepareForm() ->displayForm( '' ); } protected function getTableClass() { return parent::getTableClass() . ' listfiles'; } protected function getNavClass() { return parent::getNavClass() . ' listfiles_nav'; } protected function getSortHeaderClass() { return parent::getSortHeaderClass() . ' listfiles_sort'; } public function getPagingQueries() { $queries = parent::getPagingQueries(); if ( $this->mUserName !== null ) { # Append the username to the query string foreach ( $queries as &$query ) { if ( $query !== false ) { $query['user'] = $this->mUserName; } } } return $queries; } public function getDefaultQuery() { $queries = parent::getDefaultQuery(); if ( !isset( $queries['user'] ) && $this->mUserName !== null ) { $queries['user'] = $this->mUserName; } return $queries; } public function getTitle() { return SpecialPage::getTitleFor( 'Listfiles' ); } } /** * Retain the old class name for backwards compatibility. * @deprecated since 1.41 */ class_alias( ImageListPager::class, 'ImageListPager' );
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