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<?php
/**
* Fix instances of pre-existing JSON pages
*
* 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 Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Usage:
* fixDefaultJsonContentPages.php
*
* It is automatically run by update.php
*/
class FixDefaultJsonContentPages extends LoggedUpdateMaintenance {
public function __construct() {
parent::__construct();
$this->addDescription(
'Fix instances of JSON pages prior to them being the ContentHandler default' );
$this->setBatchSize( 100 );
}
protected function getUpdateKey() {
return __CLASS__;
}
protected function doDBUpdates() {
if ( !$this->getConfig()->get( 'ContentHandlerUseDB' ) ) {
$this->output( "\$wgContentHandlerUseDB is not enabled, nothing to do.\n" );
return true;
}
$dbr = $this->getDB( DB_SLAVE );
$namespaces = [
NS_MEDIAWIKI => $dbr->buildLike( $dbr->anyString(), '.json' ),
NS_USER => $dbr->buildLike( $dbr->anyString(), '/', $dbr->anyString(), '.json' ),
];
foreach ( $namespaces as $ns => $like ) {
$lastPage = 0;
do {
$rows = $dbr->select(
'page',
[ 'page_id', 'page_title', 'page_namespace', 'page_content_model' ],
[
'page_namespace' => $ns,
'page_title ' . $like,
'page_id > ' . $dbr->addQuotes( $lastPage )
],
__METHOD__,
[ 'ORDER BY' => 'page_id', 'LIMIT' => $this->mBatchSize ]
);
foreach ( $rows as $row ) {
$this->handleRow( $row );
}
} while ( $rows->numRows() >= $this->mBatchSize );
}
return true;
}
protected function handleRow( stdClass $row ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$this->output( "Processing {$title} ({$row->page_id})...\n" );
$rev = Revision::newFromTitle( $title );
$content = $rev->getContent( Revision::RAW );
$dbw = $this->getDB( DB_MASTER );
if ( $content instanceof JsonContent ) {
if ( $content->isValid() ) {
// Yay, actually JSON. We need to just change the
// page_content_model because revision will automatically
// use the default, which is *now* JSON.
$this->output( "Setting page_content_model to json..." );
$dbw->update(
'page',
[ 'page_content_model' => CONTENT_MODEL_JSON ],
[ 'page_id' => $row->page_id ],
__METHOD__
);
$this->output( "done.\n" );
wfWaitForSlaves();
} else {
// Not JSON...force it to wikitext. We need to update the
// revision table so that these revisions are always processed
// as wikitext in the future. page_content_model is already
// set to "wikitext".
$this->output( "Setting rev_content_model to wikitext..." );
// Grab all the ids for batching
$ids = $dbw->selectFieldValues(
'revision',
'rev_id',
[ 'rev_page' => $row->page_id ],
__METHOD__
);
foreach ( array_chunk( $ids, 50 ) as $chunk ) {
$dbw->update(
'revision',
[ 'rev_content_model' => CONTENT_MODEL_WIKITEXT ],
[ 'rev_page' => $row->page_id, 'rev_id' => $chunk ]
);
wfWaitForSlaves();
}
$this->output( "done.\n" );
}
} else {
$this->output( "not a JSON page? Skipping\n" );
}
}
}
$maintClass = 'FixDefaultJsonContentPages';
require_once RUN_MAINTENANCE_IF_MAIN;