maintenance/updateArticleCount.php

   1 <?php
   2 /**
   3  * Maintenance script to provide a better count of the number of articles
   4  * and update the site statistics table, if desired
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @file
  22  * @ingroup Maintenance
  23  * @author Rob Church <robchur@gmail.com>
  24  */
  25
  26 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  27
  28 class UpdateArticleCount extends Maintenance {
  29
  30         // Content namespaces
  31         private $namespaces;
  32
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->mDescription = "Count of the number of articles and update the site statistics table";
  36                 $this->addOption( 'update', 'Update the site_stats table with the new count' );
  37         }
  38
  39         public function execute() {
  40                 global $wgContentNamespaces;
  41                 $this->namespaces = $wgContentNamespaces;
  42                 $this->output( "Counting articles..." );
  43                 $result = $this->count();
  44
  45                 if ( $result !== false ) {
  46                         $this->output( "found {$result}.\n" );
  47                         if ( $this->hasOption( 'update' ) ) {
  48                                 $this->output( "Updating site statistics table... " );
  49                                 $dbw = wfGetDB( DB_MASTER );
  50                                 $dbw->update( 'site_stats', array( 'ss_good_articles' => $result ), array( 'ss_row_id' => 1 ), __METHOD__ );
  51                                 $this->output( "done.\n" );
  52                         } else {
  53                                 $this->output( "To update the site statistics table, run the script with the --update option.\n" );
  54                         }
  55                 } else {
  56                         $this->output( "failed.\n" );
  57                 }
  58         }
  59
  60         /**
  61          * Produce a comma-delimited set of namespaces
  62          * Includes paranoia
  63          *
  64          * @return string
  65          */
  66         private function makeNsSet() {
  67                 foreach ( $this->namespaces as $namespace )
  68                         $namespaces[] = intval( $namespace );
  69                 return implode( ', ', $namespaces );
  70         }
  71
  72         /**
  73          * Produce SQL for the query
  74          *
  75          * @param $dbr Database handle
  76          * @return string
  77          */
  78         private function makeSql( $dbr ) {
  79                 list( $page, $pagelinks ) = $dbr->tableNamesN( 'page', 'pagelinks' );
  80                 $nsset = $this->makeNsSet();
  81                 return "SELECT COUNT(DISTINCT page_id) AS pagecount " .
  82                         "FROM $page, $pagelinks " .
  83                         "WHERE pl_from=page_id and page_namespace IN ( $nsset ) " .
  84                         "AND page_is_redirect = 0 AND page_len > 0";
  85         }
  86
  87         /**
  88          * Count the number of valid content pages in the wiki
  89          *
  90          * @return mixed Integer, or false if there's a problem
  91          */
  92         private function count() {
  93                 $dbr = wfGetDB( DB_SLAVE );
  94                 $res = $dbr->query( $this->makeSql( $dbr ), __METHOD__ );
  95                 $row = $dbr->fetchObject( $res );
  96                 return $row ? $row->pagecount : false;
  97         }
  98 }
  99
 100 $maintClass = "UpdateArticleCount";
 101 require_once( DO_MAINTENANCE );