mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
319 lines
9 KiB
PHP
319 lines
9 KiB
PHP
<?php
|
|
/**
|
|
* Refresh link tables.
|
|
*
|
|
* 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';
|
|
|
|
/**
|
|
* Maintenance script to refresh link tables.
|
|
*
|
|
* @ingroup Maintenance
|
|
*/
|
|
class RefreshLinks extends Maintenance {
|
|
public function __construct() {
|
|
parent::__construct();
|
|
$this->mDescription = "Refresh link tables";
|
|
$this->addOption( 'dfn-only', 'Delete links from nonexistent articles only' );
|
|
$this->addOption( 'new-only', 'Only affect articles with just a single edit' );
|
|
$this->addOption( 'redirects-only', 'Only fix redirects, not all links' );
|
|
$this->addOption( 'old-redirects-only', 'Only fix redirects with no redirect table entry' );
|
|
$this->addOption( 'm', 'Maximum replication lag', false, true );
|
|
$this->addOption( 'e', 'Last page id to refresh', false, true );
|
|
$this->addArg( 'start', 'Page_id to start from, default 1', false );
|
|
$this->setBatchSize( 100 );
|
|
}
|
|
|
|
public function execute() {
|
|
$max = $this->getOption( 'm', 0 );
|
|
if ( !$this->hasOption( 'dfn-only' ) ) {
|
|
$start = $this->getArg( 0, 1 );
|
|
$new = $this->getOption( 'new-only', false );
|
|
$end = $this->getOption( 'e', 0 );
|
|
$redir = $this->getOption( 'redirects-only', false );
|
|
$oldRedir = $this->getOption( 'old-redirects-only', false );
|
|
$this->doRefreshLinks( $start, $new, $max, $end, $redir, $oldRedir );
|
|
}
|
|
$this->deleteLinksFromNonexistent( $max, $this->mBatchSize );
|
|
}
|
|
|
|
/**
|
|
* Do the actual link refreshing.
|
|
* @param $start int Page_id to start from
|
|
* @param $newOnly bool Only do pages with 1 edit
|
|
* @param $maxLag int Max DB replication lag
|
|
* @param $end int Page_id to stop at
|
|
* @param $redirectsOnly bool Only fix redirects
|
|
* @param $oldRedirectsOnly bool Only fix redirects without redirect entries
|
|
*/
|
|
private function doRefreshLinks( $start, $newOnly = false, $maxLag = false,
|
|
$end = 0, $redirectsOnly = false, $oldRedirectsOnly = false ) {
|
|
global $wgParser, $wgUseTidy;
|
|
|
|
$reportingInterval = 100;
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$start = intval( $start );
|
|
|
|
// Give extensions a chance to optimize settings
|
|
wfRunHooks( 'MaintenanceRefreshLinksInit', array( $this ) );
|
|
|
|
# Don't generate extension images (e.g. Timeline)
|
|
$wgParser->clearTagHooks();
|
|
|
|
# Don't use HTML tidy
|
|
$wgUseTidy = false;
|
|
|
|
$what = $redirectsOnly ? "redirects" : "links";
|
|
|
|
if ( $oldRedirectsOnly ) {
|
|
# This entire code path is cut-and-pasted from below. Hurrah.
|
|
|
|
$conds = array(
|
|
"page_is_redirect=1",
|
|
"rd_from IS NULL"
|
|
);
|
|
|
|
if ( $end == 0 ) {
|
|
$conds[] = "page_id >= $start";
|
|
} else {
|
|
$conds[] = "page_id BETWEEN $start AND $end";
|
|
}
|
|
|
|
$res = $dbr->select(
|
|
array( 'page', 'redirect' ),
|
|
'page_id',
|
|
$conds,
|
|
__METHOD__,
|
|
array(),
|
|
array( 'redirect' => array( "LEFT JOIN", "page_id=rd_from" ) )
|
|
);
|
|
$num = $res->numRows();
|
|
$this->output( "Refreshing $num old redirects from $start...\n" );
|
|
|
|
$i = 0;
|
|
|
|
foreach ( $res as $row ) {
|
|
if ( !( ++$i % $reportingInterval ) ) {
|
|
$this->output( "$i\n" );
|
|
wfWaitForSlaves();
|
|
}
|
|
$this->fixRedirect( $row->page_id );
|
|
}
|
|
} elseif ( $newOnly ) {
|
|
$this->output( "Refreshing $what from " );
|
|
$res = $dbr->select( 'page',
|
|
array( 'page_id' ),
|
|
array(
|
|
'page_is_new' => 1,
|
|
"page_id >= $start" ),
|
|
__METHOD__
|
|
);
|
|
$num = $res->numRows();
|
|
$this->output( "$num new articles...\n" );
|
|
|
|
$i = 0;
|
|
foreach ( $res as $row ) {
|
|
if ( !( ++$i % $reportingInterval ) ) {
|
|
$this->output( "$i\n" );
|
|
wfWaitForSlaves();
|
|
}
|
|
if ( $redirectsOnly ) {
|
|
$this->fixRedirect( $row->page_id );
|
|
} else {
|
|
self::fixLinksFromArticle( $row->page_id );
|
|
}
|
|
}
|
|
} else {
|
|
if ( !$end ) {
|
|
$maxPage = $dbr->selectField( 'page', 'max(page_id)', false );
|
|
$maxRD = $dbr->selectField( 'redirect', 'max(rd_from)', false );
|
|
$end = max( $maxPage, $maxRD );
|
|
}
|
|
$this->output( "Refreshing redirects table.\n" );
|
|
$this->output( "Starting from page_id $start of $end.\n" );
|
|
|
|
for ( $id = $start; $id <= $end; $id++ ) {
|
|
|
|
if ( !( $id % $reportingInterval ) ) {
|
|
$this->output( "$id\n" );
|
|
wfWaitForSlaves();
|
|
}
|
|
$this->fixRedirect( $id );
|
|
}
|
|
|
|
if ( !$redirectsOnly ) {
|
|
$this->output( "Refreshing links tables.\n" );
|
|
$this->output( "Starting from page_id $start of $end.\n" );
|
|
|
|
for ( $id = $start; $id <= $end; $id++ ) {
|
|
|
|
if ( !( $id % $reportingInterval ) ) {
|
|
$this->output( "$id\n" );
|
|
wfWaitForSlaves();
|
|
}
|
|
self::fixLinksFromArticle( $id );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update the redirect entry for a given page.
|
|
*
|
|
* This methods bypasses the "redirect" table to get the redirect target,
|
|
* and parses the page's content to fetch it. This allows to be sure that
|
|
* the redirect target is up to date and valid.
|
|
* This is particularly useful when modifying namespaces to be sure the
|
|
* entry in the "redirect" table points to the correct page and not to an
|
|
* invalid one.
|
|
*
|
|
* @param $id int The page ID to check
|
|
*/
|
|
private function fixRedirect( $id ) {
|
|
$page = WikiPage::newFromID( $id );
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
if ( $page === null ) {
|
|
// This page doesn't exist (any more)
|
|
// Delete any redirect table entry for it
|
|
$dbw->delete( 'redirect', array( 'rd_from' => $id ),
|
|
__METHOD__ );
|
|
return;
|
|
}
|
|
|
|
$rt = null;
|
|
$content = $page->getContent( Revision::RAW );
|
|
if ( $content !== null ) {
|
|
$rt = $content->getUltimateRedirectTarget();
|
|
}
|
|
|
|
if ( $rt === null ) {
|
|
// The page is not a redirect
|
|
// Delete any redirect table entry for it
|
|
$dbw->delete( 'redirect', array( 'rd_from' => $id ), __METHOD__ );
|
|
$fieldValue = 0;
|
|
} else {
|
|
$page->insertRedirectEntry( $rt );
|
|
$fieldValue = 1;
|
|
}
|
|
|
|
// Update the page table to be sure it is an a consistent state
|
|
$dbw->update( 'page', array( 'page_is_redirect' => $fieldValue ),
|
|
array( 'page_id' => $id ), __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Run LinksUpdate for all links on a given page_id
|
|
* @param $id int The page_id
|
|
*/
|
|
public static function fixLinksFromArticle( $id ) {
|
|
$page = WikiPage::newFromID( $id );
|
|
|
|
LinkCache::singleton()->clear();
|
|
|
|
if ( $page === null ) {
|
|
return;
|
|
}
|
|
|
|
$content = $page->getContent( Revision::RAW );
|
|
if ( $content === null ) {
|
|
return;
|
|
}
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$dbw->begin( __METHOD__ );
|
|
|
|
$updates = $content->getSecondaryDataUpdates( $page->getTitle() );
|
|
DataUpdate::runUpdates( $updates );
|
|
|
|
$dbw->commit( __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Removes non-existing links from pages from pagelinks, imagelinks,
|
|
* categorylinks, templatelinks, externallinks, interwikilinks, langlinks and redirect tables.
|
|
*
|
|
* @param $maxLag int
|
|
* @param $batchSize int The size of deletion batches
|
|
*
|
|
* @author Merlijn van Deen <valhallasw@arctus.nl>
|
|
*/
|
|
private function deleteLinksFromNonexistent( $maxLag = 0, $batchSize = 100 ) {
|
|
wfWaitForSlaves();
|
|
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
|
|
$lb = wfGetLBFactory()->newMainLB();
|
|
$dbr = $lb->getConnection( DB_SLAVE );
|
|
$dbr->bufferResults( false );
|
|
|
|
$linksTables = array( // table name => page_id field
|
|
'pagelinks' => 'pl_from',
|
|
'imagelinks' => 'il_from',
|
|
'categorylinks' => 'cl_from',
|
|
'templatelinks' => 'tl_from',
|
|
'externallinks' => 'el_from',
|
|
'iwlinks' => 'iwl_from',
|
|
'langlinks' => 'll_from',
|
|
'redirect' => 'rd_from',
|
|
'page_props' => 'pp_page',
|
|
);
|
|
|
|
foreach ( $linksTables as $table => $field ) {
|
|
$this->output( "Retrieving illegal entries from $table... " );
|
|
|
|
// SELECT DISTINCT( $field ) FROM $table LEFT JOIN page ON $field=page_id WHERE page_id IS NULL;
|
|
$results = $dbr->select(
|
|
array( $table, 'page' ),
|
|
$field,
|
|
array( 'page_id' => null ),
|
|
__METHOD__,
|
|
'DISTINCT',
|
|
array( 'page' => array( 'LEFT JOIN', "$field=page_id" ) )
|
|
);
|
|
|
|
$counter = 0;
|
|
$list = array();
|
|
$this->output( "0.." );
|
|
foreach ( $results as $row ) {
|
|
$counter++;
|
|
$list[] = $row->$field;
|
|
if ( ( $counter % $batchSize ) == 0 ) {
|
|
wfWaitForSlaves();
|
|
$dbw->delete( $table, array( $field => $list ), __METHOD__ );
|
|
|
|
$this->output( $counter . ".." );
|
|
$list = array();
|
|
}
|
|
}
|
|
$this->output( $counter );
|
|
if ( count( $list ) > 0 ) {
|
|
$dbw->delete( $table, array( $field => $list ), __METHOD__ );
|
|
}
|
|
$this->output( "\n" );
|
|
wfWaitForSlaves();
|
|
}
|
|
$lb->closeAll();
|
|
}
|
|
}
|
|
|
|
$maintClass = 'RefreshLinks';
|
|
require_once RUN_MAINTENANCE_IF_MAIN;
|