maintenance/clearInterwikiCache.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Maintenance
  20  */
  21
  22 // @codeCoverageIgnoreStart
  23 require_once __DIR__ . '/Maintenance.php';
  24 // @codeCoverageIgnoreEnd
  25
  26 /**
  27  * Clear the cache of interwiki prefixes.
  28  *
  29  * @ingroup Maintenance
  30  */
  31 class ClearInterwikiCache extends Maintenance {
  32
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->addDescription( 'Clear all interwiki links for all languages from the cache' );
  36         }
  37
  38         public function execute() {
  39                 $lookup = $this->getServiceContainer()->getInterwikiLookup();
  40
  41                 $dbr = $this->getReplicaDB();
  42                 $prefixes = $dbr->newSelectQueryBuilder()
  43                         ->select( 'iw_prefix' )
  44                         ->from( 'interwiki' )
  45                         ->caller( __METHOD__ )
  46                         ->fetchFieldValues();
  47
  48                 foreach ( $prefixes as $prefix ) {
  49                         $this->output( "...$prefix\n" );
  50                         $lookup->invalidateCache( $prefix );
  51                 }
  52                 $this->output( "done\n" );
  53         }
  54 }
  55
  56 // @codeCoverageIgnoreStart
  57 $maintClass = ClearInterwikiCache::class;
  58 require_once RUN_MAINTENANCE_IF_MAIN;
  59 // @codeCoverageIgnoreEnd