maintenance/populateLogSearch.php

   1 <?php
   2 /**
   3  * Makes the required database updates for populating the
   4  * log_search table retroactively
   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  * @ingroup Maintenance
  22  */
  23
  24 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  25
  26 class PopulateLogSearch extends Maintenance {
  27
  28         const LOG_SEARCH_BATCH_SIZE = 100;
  29
  30         static $tableMap = array( 'rev' => 'revision', 'fa' => 'filearchive', 'oi' => 'oldimage', 'ar' => 'archive' );
  31
  32         public function __construct() {
  33                 parent::__construct();
  34                 $this->mDescription = "Migrate log params to new table and index for searching";
  35         }
  36
  37         public function execute() {
  38                 $db = wfGetDB( DB_MASTER );
  39                 if ( !$db->tableExists( 'log_search' ) ) {
  40                         $this->error( "log_search does not exist", true );
  41                 }
  42                 $start = $db->selectField( 'logging', 'MIN(log_id)', false, __FUNCTION__ );
  43                 if ( !$start ) {
  44                         $this->output( "Nothing to do.\n" );
  45                         return true;
  46                 }
  47                 $end = $db->selectField( 'logging', 'MAX(log_id)', false, __FUNCTION__ );
  48
  49                 # Do remaining chunk
  50                 $end += self::LOG_SEARCH_BATCH_SIZE - 1;
  51                 $blockStart = $start;
  52                 $blockEnd = $start + self::LOG_SEARCH_BATCH_SIZE - 1;
  53
  54                 $delTypes = array( 'delete', 'suppress' ); // revisiondelete types
  55                 while ( $blockEnd <= $end ) {
  56                         $this->output( "...doing log_id from $blockStart to $blockEnd\n" );
  57                         $cond = "log_id BETWEEN $blockStart AND $blockEnd";
  58                         $res = $db->select( 'logging', '*', $cond, __FUNCTION__ );
  59                         $batch = array();
  60                         foreach ( $res as $row ) {
  61                                 // RevisionDelete logs - revisions
  62                                 if ( LogEventsList::typeAction( $row, $delTypes, 'revision' ) ) {
  63                                         $params = LogPage::extractParams( $row->log_params );
  64                                         // Param format: <urlparam> <item CSV> [<ofield> <nfield>]
  65                                         if ( count( $params ) < 2 ) continue; // bad row?
  66                                         $field = RevisionDeleter::getRelationType( $params[0] );
  67                                         // B/C, the params may start with a title key (<title> <urlparam> <CSV>)
  68                                         if ( $field == null ) {
  69                                                 array_shift( $params ); // remove title param
  70                                                 $field = RevisionDeleter::getRelationType( $params[0] );
  71                                                 if ( $field == null ) {
  72                                                         $this->output( "Invalid param type for {$row->log_id}\n" );
  73                                                         continue; // skip this row
  74                                                 } else {
  75                                                         // Clean up the row...
  76                                                         $db->update( 'logging',
  77                                                                 array( 'log_params' => implode( ',', $params ) ),
  78                                                                 array( 'log_id' => $row->log_id ) );
  79                                                 }
  80                                         }
  81                                         $items = explode( ',', $params[1] );
  82                                         $log = new LogPage( $row->log_type );
  83                                         // Add item relations...
  84                                         $log->addRelations( $field, $items, $row->log_id );
  85                                         // Determine what table to query...
  86                                         $prefix = substr( $field, 0, strpos( $field, '_' ) ); // db prefix
  87                                         if ( !isset( self::$tableMap[$prefix] ) )
  88                                                 continue; // bad row?
  89                                         $table = self::$tableMap[$prefix];
  90                                         $userField = $prefix . '_user';
  91                                         $userTextField = $prefix . '_user_text';
  92                                         // Add item author relations...
  93                                         $userIds = $userIPs = array();
  94                                         $sres = $db->select( $table,
  95                                                 array( $userField, $userTextField ),
  96                                                 array( $field => $items )
  97                                         );
  98                                         foreach ( $sres as $srow ) {
  99                                                 if ( $srow->$userField > 0 )
 100                                                         $userIds[] = intval( $srow->$userField );
 101                                                 else if ( $srow->$userTextField != '' )
 102                                                         $userIPs[] = $srow->$userTextField;
 103                                         }
 104                                         // Add item author relations...
 105                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 106                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 107                                 // RevisionDelete logs - log events
 108                                 } else if ( LogEventsList::typeAction( $row, $delTypes, 'event' ) ) {
 109                                         $params = LogPage::extractParams( $row->log_params );
 110                                         // Param format: <item CSV> [<ofield> <nfield>]
 111                                         if ( count( $params ) < 1 ) continue; // bad row
 112                                         $items = explode( ',', $params[0] );
 113                                         $log = new LogPage( $row->log_type );
 114                                         // Add item relations...
 115                                         $log->addRelations( 'log_id', $items, $row->log_id );
 116                                         // Add item author relations...
 117                                         $userIds = $userIPs = array();
 118                                         $sres = $db->select( 'logging',
 119                                                 array( 'log_user', 'log_user_text' ),
 120                                                 array( 'log_id' => $items )
 121                                         );
 122                                         foreach ( $sres as $srow ) {
 123                                                 if ( $srow->log_user > 0 )
 124                                                         $userIds[] = intval( $srow->log_user );
 125                                                 else if ( IP::isIPAddress( $srow->log_user_text ) )
 126                                                         $userIPs[] = $srow->log_user_text;
 127                                         }
 128                                         $log->addRelations( 'target_author_id', $userIds, $row->log_id );
 129                                         $log->addRelations( 'target_author_ip', $userIPs, $row->log_id );
 130                                 }
 131                         }
 132                         $blockStart += self::LOG_SEARCH_BATCH_SIZE;
 133                         $blockEnd += self::LOG_SEARCH_BATCH_SIZE;
 134                         wfWaitForSlaves( 5 );
 135                 }
 136                 if ( $db->insert(
 137                                 'updatelog',
 138                                 array( 'ul_key' => 'populate log_search' ),
 139                                 __FUNCTION__,
 140                                 'IGNORE'
 141                         )
 142                 ) {
 143                         $this->output( "log_search population complete.\n" );
 144                         return true;
 145                 } else {
 146                         $this->output( "Could not insert log_search population row.\n" );
 147                         return false;
 148                 }
 149         }
 150 }
 151
 152 $maintClass = "PopulateLogSearch";
 153 require_once( DO_MAINTENANCE );