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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | * @ingroup RevisionDelete |
| 20 | */ |
| 21 | |
| 22 | use MediaWiki\Cache\HTMLCacheUpdater; |
| 23 | use MediaWiki\Context\IContextSource; |
| 24 | use MediaWiki\FileRepo\File\FileSelectQueryBuilder; |
| 25 | use MediaWiki\Page\PageIdentity; |
| 26 | use MediaWiki\Status\Status; |
| 27 | use Wikimedia\Rdbms\IReadableDatabase; |
| 28 | use Wikimedia\Rdbms\IResultWrapper; |
| 29 | use Wikimedia\Rdbms\LBFactory; |
| 30 | use Wikimedia\Rdbms\SelectQueryBuilder; |
| 31 | |
| 32 | /** |
| 33 | * List for oldimage table items |
| 34 | */ |
| 35 | class RevDelFileList extends RevDelList { |
| 36 | |
| 37 | protected const SUPPRESS_BIT = File::DELETED_RESTRICTED; |
| 38 | |
| 39 | /** @var HTMLCacheUpdater */ |
| 40 | private $htmlCacheUpdater; |
| 41 | |
| 42 | /** @var RepoGroup */ |
| 43 | private $repoGroup; |
| 44 | |
| 45 | /** @var array */ |
| 46 | public $storeBatch; |
| 47 | |
| 48 | /** @var array */ |
| 49 | public $deleteBatch; |
| 50 | |
| 51 | /** @var array */ |
| 52 | public $cleanupBatch; |
| 53 | |
| 54 | /** |
| 55 | * @param IContextSource $context |
| 56 | * @param PageIdentity $page |
| 57 | * @param array $ids |
| 58 | * @param LBFactory $lbFactory |
| 59 | * @param HTMLCacheUpdater $htmlCacheUpdater |
| 60 | * @param RepoGroup $repoGroup |
| 61 | */ |
| 62 | public function __construct( |
| 63 | IContextSource $context, |
| 64 | PageIdentity $page, |
| 65 | array $ids, |
| 66 | LBFactory $lbFactory, |
| 67 | HTMLCacheUpdater $htmlCacheUpdater, |
| 68 | RepoGroup $repoGroup |
| 69 | ) { |
| 70 | parent::__construct( $context, $page, $ids, $lbFactory ); |
| 71 | $this->htmlCacheUpdater = $htmlCacheUpdater; |
| 72 | $this->repoGroup = $repoGroup; |
| 73 | } |
| 74 | |
| 75 | public function getType() { |
| 76 | return 'oldimage'; |
| 77 | } |
| 78 | |
| 79 | public static function getRelationType() { |
| 80 | return 'oi_archive_name'; |
| 81 | } |
| 82 | |
| 83 | public static function getRestriction() { |
| 84 | return 'deleterevision'; |
| 85 | } |
| 86 | |
| 87 | public static function getRevdelConstant() { |
| 88 | return File::DELETED_FILE; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * @param IReadableDatabase $db |
| 93 | * @return IResultWrapper |
| 94 | */ |
| 95 | public function doQuery( $db ) { |
| 96 | $archiveNames = []; |
| 97 | foreach ( $this->ids as $timestamp ) { |
| 98 | $archiveNames[] = $timestamp . '!' . $this->page->getDBkey(); |
| 99 | } |
| 100 | |
| 101 | $queryBuilder = FileSelectQueryBuilder::newForOldFile( $db ); |
| 102 | $queryBuilder |
| 103 | ->where( [ 'oi_name' => $this->page->getDBkey(), 'oi_archive_name' => $archiveNames ] ) |
| 104 | ->orderBy( 'oi_timestamp', SelectQueryBuilder::SORT_DESC ); |
| 105 | return $queryBuilder->caller( __METHOD__ )->fetchResultSet(); |
| 106 | } |
| 107 | |
| 108 | public function newItem( $row ) { |
| 109 | return new RevDelFileItem( $this, $row ); |
| 110 | } |
| 111 | |
| 112 | public function clearFileOps() { |
| 113 | $this->deleteBatch = []; |
| 114 | $this->storeBatch = []; |
| 115 | $this->cleanupBatch = []; |
| 116 | } |
| 117 | |
| 118 | public function doPreCommitUpdates() { |
| 119 | $status = Status::newGood(); |
| 120 | $repo = $this->repoGroup->getLocalRepo(); |
| 121 | if ( $this->storeBatch ) { |
| 122 | $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) ); |
| 123 | } |
| 124 | if ( !$status->isOK() ) { |
| 125 | return $status; |
| 126 | } |
| 127 | if ( $this->deleteBatch ) { |
| 128 | $status->merge( $repo->deleteBatch( $this->deleteBatch ) ); |
| 129 | } |
| 130 | if ( !$status->isOK() ) { |
| 131 | // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already |
| 132 | // modified (but destined for rollback) causes data loss |
| 133 | return $status; |
| 134 | } |
| 135 | if ( $this->cleanupBatch ) { |
| 136 | $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) ); |
| 137 | } |
| 138 | |
| 139 | return $status; |
| 140 | } |
| 141 | |
| 142 | public function doPostCommitUpdates( array $visibilityChangeMap ) { |
| 143 | $file = $this->repoGroup->getLocalRepo()->newFile( $this->page ); |
| 144 | $file->purgeCache(); |
| 145 | $file->purgeDescription(); |
| 146 | |
| 147 | // Purge full images from cache |
| 148 | $purgeUrls = []; |
| 149 | foreach ( $this->ids as $timestamp ) { |
| 150 | $archiveName = $timestamp . '!' . $this->page->getDBkey(); |
| 151 | $file->purgeOldThumbnails( $archiveName ); |
| 152 | $purgeUrls[] = $file->getArchiveUrl( $archiveName ); |
| 153 | } |
| 154 | |
| 155 | $this->htmlCacheUpdater->purgeUrls( |
| 156 | $purgeUrls, |
| 157 | HTMLCacheUpdater::PURGE_INTENT_TXROUND_REFLECTED |
| 158 | ); |
| 159 | |
| 160 | return Status::newGood(); |
| 161 | } |
| 162 | |
| 163 | } |