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| 1 | <?php |
| 2 | /** |
| 3 | * Fix instances of pre-existing JSON pages |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup Maintenance |
| 22 | */ |
| 23 | |
| 24 | use MediaWiki\Revision\RevisionRecord; |
| 25 | use MediaWiki\Revision\SlotRecord; |
| 26 | use MediaWiki\Title\Title; |
| 27 | use Wikimedia\Rdbms\IExpression; |
| 28 | use Wikimedia\Rdbms\LikeValue; |
| 29 | |
| 30 | require_once __DIR__ . '/Maintenance.php'; |
| 31 | |
| 32 | /** |
| 33 | * Usage: |
| 34 | * fixDefaultJsonContentPages.php |
| 35 | * |
| 36 | * It is automatically run by update.php |
| 37 | */ |
| 38 | class FixDefaultJsonContentPages extends LoggedUpdateMaintenance { |
| 39 | public function __construct() { |
| 40 | parent::__construct(); |
| 41 | $this->addDescription( |
| 42 | 'Fix instances of JSON pages prior to them being the ContentHandler default' ); |
| 43 | $this->setBatchSize( 100 ); |
| 44 | } |
| 45 | |
| 46 | protected function getUpdateKey() { |
| 47 | return __CLASS__; |
| 48 | } |
| 49 | |
| 50 | protected function doDBUpdates() { |
| 51 | $dbr = $this->getReplicaDB(); |
| 52 | $namespaces = [ |
| 53 | NS_MEDIAWIKI => $dbr->expr( |
| 54 | 'page_title', |
| 55 | IExpression::LIKE, |
| 56 | new LikeValue( $dbr->anyString(), '.json' ) |
| 57 | ), |
| 58 | NS_USER => $dbr->expr( |
| 59 | 'page_title', |
| 60 | IExpression::LIKE, |
| 61 | new LikeValue( $dbr->anyString(), '/', $dbr->anyString(), '.json' ) |
| 62 | ), |
| 63 | ]; |
| 64 | foreach ( $namespaces as $ns => $likeExpr ) { |
| 65 | $lastPage = 0; |
| 66 | do { |
| 67 | $rows = $dbr->newSelectQueryBuilder() |
| 68 | ->select( [ 'page_id', 'page_title', 'page_namespace', 'page_content_model' ] ) |
| 69 | ->from( 'page' ) |
| 70 | ->where( [ |
| 71 | 'page_namespace' => $ns, |
| 72 | $likeExpr, |
| 73 | $dbr->expr( 'page_id', '>', $lastPage ), |
| 74 | ] ) |
| 75 | ->orderBy( 'page_id' ) |
| 76 | ->limit( $this->getBatchSize() ) |
| 77 | ->caller( __METHOD__ )->fetchResultSet(); |
| 78 | foreach ( $rows as $row ) { |
| 79 | $this->handleRow( $row ); |
| 80 | $lastPage = $row->page_id; |
| 81 | } |
| 82 | } while ( $rows->numRows() >= $this->getBatchSize() ); |
| 83 | } |
| 84 | |
| 85 | return true; |
| 86 | } |
| 87 | |
| 88 | protected function handleRow( stdClass $row ) { |
| 89 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
| 90 | $this->output( "Processing {$title} ({$row->page_id})...\n" ); |
| 91 | $rev = $this->getServiceContainer() |
| 92 | ->getRevisionLookup() |
| 93 | ->getRevisionByTitle( $title ); |
| 94 | $content = $rev->getContent( SlotRecord::MAIN, RevisionRecord::RAW ); |
| 95 | $dbw = $this->getPrimaryDB(); |
| 96 | if ( $content instanceof JsonContent ) { |
| 97 | if ( $content->isValid() ) { |
| 98 | // Yay, actually JSON. We need to just change the |
| 99 | // page_content_model because revision will automatically |
| 100 | // use the default, which is *now* JSON. |
| 101 | $this->output( "Setting page_content_model to json..." ); |
| 102 | $dbw->newUpdateQueryBuilder() |
| 103 | ->update( 'page' ) |
| 104 | ->set( [ 'page_content_model' => CONTENT_MODEL_JSON ] ) |
| 105 | ->where( [ 'page_id' => $row->page_id ] ) |
| 106 | ->caller( __METHOD__ )->execute(); |
| 107 | |
| 108 | $this->output( "done.\n" ); |
| 109 | $this->waitForReplication(); |
| 110 | } else { |
| 111 | // Not JSON...force it to wikitext. We need to update the |
| 112 | // revision table so that these revisions are always processed |
| 113 | // as wikitext in the future. page_content_model is already |
| 114 | // set to "wikitext". |
| 115 | $this->output( "Setting rev_content_model to wikitext..." ); |
| 116 | // Grab all the ids for batching |
| 117 | $ids = $dbw->newSelectQueryBuilder() |
| 118 | ->select( 'rev_id' ) |
| 119 | ->from( 'revision' ) |
| 120 | ->where( [ 'rev_page' => $row->page_id ] ) |
| 121 | ->caller( __METHOD__ )->fetchFieldValues(); |
| 122 | foreach ( array_chunk( $ids, 50 ) as $chunk ) { |
| 123 | $dbw->newUpdateQueryBuilder() |
| 124 | ->update( 'revision' ) |
| 125 | ->set( [ 'rev_content_model' => CONTENT_MODEL_WIKITEXT ] ) |
| 126 | ->where( [ 'rev_page' => $row->page_id, 'rev_id' => $chunk ] ) |
| 127 | ->caller( __METHOD__ )->execute(); |
| 128 | |
| 129 | $this->waitForReplication(); |
| 130 | } |
| 131 | $this->output( "done.\n" ); |
| 132 | } |
| 133 | } else { |
| 134 | $this->output( "not a JSON page? Skipping\n" ); |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | $maintClass = FixDefaultJsonContentPages::class; |
| 140 | require_once RUN_MAINTENANCE_IF_MAIN; |