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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
*/
use Wikimedia\Rdbms\IDatabase;
use MediaWiki\MediaWikiServices;
/**
* Class designed for counting of stats.
*/
class SiteStatsInit {
/* @var IDatabase */
private $dbr;
/** @var int */
private $edits;
/** @var int */
private $articles;
/** @var int */
private $pages;
/** @var int */
private $users;
/** @var int */
private $files;
/**
* @param bool|IDatabase $database
* - bool: Whether to use the master DB
* - IDatabase: Database connection to use
*/
public function __construct( $database = false ) {
if ( $database instanceof IDatabase ) {
$this->dbr = $database;
} elseif ( $database ) {
$this->dbr = self::getDB( DB_MASTER );
} else {
$this->dbr = self::getDB( DB_REPLICA, 'vslow' );
}
}
/**
* Count the total number of edits
* @return int
*/
public function edits() {
$this->edits = $this->dbr->selectField( 'revision', 'COUNT(*)', '', __METHOD__ );
$this->edits += $this->dbr->selectField( 'archive', 'COUNT(*)', '', __METHOD__ );
return $this->edits;
}
/**
* Count pages in article space(s)
* @return int
*/
public function articles() {
$config = MediaWikiServices::getInstance()->getMainConfig();
$tables = [ 'page' ];
$conds = [
'page_namespace' => MWNamespace::getContentNamespaces(),
'page_is_redirect' => 0,
];
if ( $config->get( 'ArticleCountMethod' ) == 'link' ) {
$tables[] = 'pagelinks';
$conds[] = 'pl_from=page_id';
}
$this->articles = $this->dbr->selectField(
$tables,
'COUNT(DISTINCT page_id)',
$conds,
__METHOD__
);
return $this->articles;
}
/**
* Count total pages
* @return int
*/
public function pages() {
$this->pages = $this->dbr->selectField( 'page', 'COUNT(*)', '', __METHOD__ );
return $this->pages;
}
/**
* Count total users
* @return int
*/
public function users() {
$this->users = $this->dbr->selectField( 'user', 'COUNT(*)', '', __METHOD__ );
return $this->users;
}
/**
* Count total files
* @return int
*/
public function files() {
$this->files = $this->dbr->selectField( 'image', 'COUNT(*)', '', __METHOD__ );
return $this->files;
}
/**
* Do all updates and commit them. More or less a replacement
* for the original initStats, but without output.
*
* @param IDatabase|bool $database
* - bool: Whether to use the master DB
* - IDatabase: Database connection to use
* @param array $options Array of options, may contain the following values
* - activeUsers bool: Whether to update the number of active users (default: false)
*/
public static function doAllAndCommit( $database, array $options = [] ) {
$options += [ 'update' => false, 'activeUsers' => false ];
// Grab the object and count everything
$counter = new self( $database );
$counter->edits();
$counter->articles();
$counter->pages();
$counter->users();
$counter->files();
$counter->refresh();
// Count active users if need be
if ( $options['activeUsers'] ) {
SiteStatsUpdate::cacheUpdate( self::getDB( DB_MASTER ) );
}
}
/**
* Insert a dummy row with all zeroes if no row is present
*/
public static function doPlaceholderInit() {
$dbw = self::getDB( DB_MASTER );
$exists = $dbw->selectField( 'site_stats', '1', [ 'ss_row_id' => 1 ], __METHOD__ );
if ( $exists === false ) {
$dbw->insert(
'site_stats',
[ 'ss_row_id' => 1 ] + array_fill_keys( SiteStats::selectFields(), 0 ),
__METHOD__,
[ 'IGNORE' ]
);
}
}
/**
* Refresh site_stats
*/
public function refresh() {
$values = [
'ss_row_id' => 1,
'ss_total_edits' => $this->edits === null ? $this->edits() : $this->edits,
'ss_good_articles' => $this->articles === null ? $this->articles() : $this->articles,
'ss_total_pages' => $this->pages === null ? $this->pages() : $this->pages,
'ss_users' => $this->users === null ? $this->users() : $this->users,
'ss_images' => $this->files === null ? $this->files() : $this->files,
];
self::getDB( DB_MASTER )->upsert(
'site_stats',
$values,
[ 'ss_row_id' ],
$values,
__METHOD__
);
}
/**
* @param int $index
* @param string[] $groups
* @return IDatabase
*/
private static function getDB( $index, $groups = [] ) {
$lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
return $lb->getConnection( $index, $groups );
}
}
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