includes/api/ApiQueryProtectedTitles.php

   1 <?php
   2
   3 /*
   4  * Created on Feb 13, 2009
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2009 Roan Kattouw <Firstname>.<Lastname>@home.nl
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if ( !defined( 'MEDIAWIKI' ) ) {
  27         // Eclipse helper - will be ignored in production
  28         require_once ( 'ApiQueryBase.php' );
  29 }
  30
  31 /**
  32  * Query module to enumerate all create-protected pages.
  33  *
  34  * @ingroup API
  35  */
  36 class ApiQueryProtectedTitles extends ApiQueryGeneratorBase {
  37
  38         public function __construct( $query, $moduleName ) {
  39                 parent :: __construct( $query, $moduleName, 'pt' );
  40         }
  41
  42         public function execute() {
  43                 $this->run();
  44         }
  45
  46         public function executeGenerator( $resultPageSet ) {
  47                 $this->run( $resultPageSet );
  48         }
  49
  50         private function run( $resultPageSet = null ) {
  51                 $db = $this->getDB();
  52                 $params = $this->extractRequestParams();
  53
  54                 $this->addTables( 'protected_titles' );
  55                 $this->addFields( array( 'pt_namespace', 'pt_title', 'pt_timestamp' ) );
  56
  57                 $prop = array_flip( $params['prop'] );
  58                 $this->addFieldsIf( 'pt_user', isset( $prop['user'] ) );
  59                 $this->addFieldsIf( 'pt_reason', isset( $prop['comment'] ) );
  60                 $this->addFieldsIf( 'pt_expiry', isset( $prop['expiry'] ) );
  61                 $this->addFieldsIf( 'pt_create_perm', isset( $prop['level'] ) );
  62
  63                 $this->addWhereRange( 'pt_timestamp', $params['dir'], $params['start'], $params['end'] );
  64                 $this->addWhereFld( 'pt_namespace', $params['namespace'] );
  65                 $this->addWhereFld( 'pt_create_perm', $params['level'] );
  66
  67                 if ( isset( $prop['user'] ) )
  68                 {
  69                         $this->addTables( 'user' );
  70                         $this->addFields( 'user_name' );
  71                         $this->addJoinConds( array( 'user' => array( 'LEFT JOIN',
  72                                 'user_id=pt_user'
  73                         ) ) );
  74                 }
  75
  76                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
  77                 $res = $this->select( __METHOD__ );
  78
  79                 $count = 0;
  80                 $result = $this->getResult();
  81                 while ( $row = $db->fetchObject( $res ) ) {
  82                         if ( ++ $count > $params['limit'] ) {
  83                                 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
  84                                 $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->pt_timestamp ) );
  85                                 break;
  86                         }
  87
  88                         $title = Title::makeTitle( $row->pt_namespace, $row->pt_title );
  89                         if ( is_null( $resultPageSet ) ) {
  90                                 $vals = array();
  91                                 ApiQueryBase::addTitleInfo( $vals, $title );
  92                                 if ( isset( $prop['timestamp'] ) )
  93                                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->pt_timestamp );
  94                                 if ( isset( $prop['user'] ) && !is_null( $row->user_name ) )
  95                                         $vals['user'] = $row->user_name;
  96                                 if ( isset( $prop['comment'] ) )
  97                                         $vals['comment'] = $row->pt_reason;
  98                                 if ( isset( $prop['expiry'] ) )
  99                                         $vals['expiry'] = Block::decodeExpiry( $row->pt_expiry, TS_ISO_8601 );
 100                                 if ( isset( $prop['level'] ) )
 101                                         $vals['level'] = $row->pt_create_perm;
 102
 103                                 $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $vals );
 104                                 if ( !$fit )
 105                                 {
 106                                         $this->setContinueEnumParameter( 'start',
 107                                                 wfTimestamp( TS_ISO_8601, $row->pt_timestamp ) );
 108                                         break;
 109                                 }
 110                         } else {
 111                                 $titles[] = $title;
 112                         }
 113                 }
 114                 $db->freeResult( $res );
 115                 if ( is_null( $resultPageSet ) )
 116                         $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), $this->getModulePrefix() );
 117                 else
 118                         $resultPageSet->populateFromTitles( $titles );
 119         }
 120
 121         public function getAllowedParams() {
 122                 global $wgRestrictionLevels;
 123                 return array (
 124                         'namespace' => array (
 125                                 ApiBase :: PARAM_ISMULTI => true,
 126                                 ApiBase :: PARAM_TYPE => 'namespace',
 127                         ),
 128                         'level' => array(
 129                                 ApiBase :: PARAM_ISMULTI => true,
 130                                 ApiBase :: PARAM_TYPE => array_diff( $wgRestrictionLevels, array( '' ) )
 131                         ),
 132                         'limit' => array (
 133                                 ApiBase :: PARAM_DFLT => 10,
 134                                 ApiBase :: PARAM_TYPE => 'limit',
 135                                 ApiBase :: PARAM_MIN => 1,
 136                                 ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
 137                                 ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
 138                         ),
 139                         'dir' => array (
 140                                 ApiBase :: PARAM_DFLT => 'older',
 141                                 ApiBase :: PARAM_TYPE => array (
 142                                         'older',
 143                                         'newer'
 144                                 )
 145                         ),
 146                         'start' => array(
 147                                 ApiBase :: PARAM_TYPE => 'timestamp'
 148                         ),
 149                         'end' => array(
 150                                 ApiBase :: PARAM_TYPE => 'timestamp'
 151                         ),
 152                         'prop' => array(
 153                                 ApiBase :: PARAM_ISMULTI => true,
 154                                 ApiBase :: PARAM_DFLT => 'timestamp|level',
 155                                 ApiBase :: PARAM_TYPE => array(
 156                                         'timestamp',
 157                                         'user',
 158                                         'comment',
 159                                         'expiry',
 160                                         'level'
 161                                 )
 162                         ),
 163                 );
 164         }
 165
 166         public function getParamDescription() {
 167                 return array (
 168                         'namespace' => 'Only list titles in these namespaces',
 169                         'start' => 'Start listing at this protection timestamp',
 170                         'end' => 'Stop listing at this protection timestamp',
 171                         'dir' => 'The direction in which to list',
 172                         'limit' => 'How many total pages to return.',
 173                         'prop' => 'Which properties to get',
 174                         'level' => 'Only list titles with these protection levels',
 175                 );
 176         }
 177
 178         public function getDescription() {
 179                 return 'List all titles protected from creation';
 180         }
 181
 182         protected function getExamples() {
 183                 return array (
 184                         'api.php?action=query&list=protectedtitles',
 185                 );
 186         }
 187
 188         public function getVersion() {
 189                 return __CLASS__ . ': $Id$';
 190         }
 191 }