includes/api/ApiMove.php

   1 <?php
   2
   3 /**
   4  * Created on Oct 31, 2007
   5  * API for MediaWiki 1.8+
   6  *
   7  * Copyright © 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  */
  24
  25 if ( !defined( 'MEDIAWIKI' ) ) {
  26         // Eclipse helper - will be ignored in production
  27         require_once( "ApiBase.php" );
  28 }
  29
  30 /**
  31  * API Module to move pages
  32  * @ingroup API
  33  */
  34 class ApiMove extends ApiBase {
  35
  36         public function __construct( $main, $action ) {
  37                 parent::__construct( $main, $action );
  38         }
  39
  40         public function execute() {
  41                 global $wgUser;
  42                 $params = $this->extractRequestParams();
  43                 if ( is_null( $params['reason'] ) ) {
  44                         $params['reason'] = '';
  45                 }
  46
  47                 $this->requireOnlyOneParameter( $params, 'from', 'fromid' );
  48                 if ( !isset( $params['to'] ) ) {
  49                         $this->dieUsageMsg( array( 'missingparam', 'to' ) );
  50                 }
  51
  52                 if ( isset( $params['from'] ) ) {
  53                         $fromTitle = Title::newFromText( $params['from'] );
  54                         if ( !$fromTitle ) {
  55                                 $this->dieUsageMsg( array( 'invalidtitle', $params['from'] ) );
  56                         }
  57                 } elseif ( isset( $params['fromid'] ) ) {
  58                         $fromTitle = Title::newFromID( $params['fromid'] );
  59                         if ( !$fromTitle ) {
  60                                 $this->dieUsageMsg( array( 'nosuchpageid', $params['fromid'] ) );
  61                         }
  62                 }
  63
  64                 if ( !$fromTitle->exists() ) {
  65                         $this->dieUsageMsg( array( 'notanarticle' ) );
  66                 }
  67                 $fromTalk = $fromTitle->getTalkPage();
  68
  69                 $toTitle = Title::newFromText( $params['to'] );
  70                 if ( !$toTitle ) {
  71                         $this->dieUsageMsg( array( 'invalidtitle', $params['to'] ) );
  72                 }
  73                 $toTalk = $toTitle->getTalkPage();
  74
  75                 if ( $toTitle->getNamespace() == NS_FILE
  76                         && !RepoGroup::singleton()->getLocalRepo()->findFile( $toTitle )
  77                         && wfFindFile( $toTitle ) )
  78                 {
  79                         if ( !$params['ignorewarnings'] && $wgUser->isAllowed( 'reupload-shared' ) ) {
  80                                 $this->dieUsageMsg( array( 'sharedfile-exists' ) );
  81                         } elseif ( !$wgUser->isAllowed( 'reupload-shared' ) ) {
  82                                 $this->dieUsageMsg( array( 'cantoverwrite-sharedfile' ) );
  83                         }
  84                 }
  85
  86                 // Move the page
  87                 $retval = $fromTitle->moveTo( $toTitle, true, $params['reason'], !$params['noredirect'] );
  88                 if ( $retval !== true ) {
  89                         $this->dieUsageMsg( reset( $retval ) );
  90                 }
  91
  92                 $r = array( 'from' => $fromTitle->getPrefixedText(), 'to' => $toTitle->getPrefixedText(), 'reason' => $params['reason'] );
  93                 if ( !$params['noredirect'] || !$wgUser->isAllowed( 'suppressredirect' ) ) {
  94                         $r['redirectcreated'] = '';
  95                 }
  96
  97                 // Move the talk page
  98                 if ( $params['movetalk'] && $fromTalk->exists() && !$fromTitle->isTalkPage() ) {
  99                         $retval = $fromTalk->moveTo( $toTalk, true, $params['reason'], !$params['noredirect'] );
 100                         if ( $retval === true ) {
 101                                 $r['talkfrom'] = $fromTalk->getPrefixedText();
 102                                 $r['talkto'] = $toTalk->getPrefixedText();
 103                         } else {
 104                                 // We're not gonna dieUsage() on failure, since we already changed something
 105                                 $parsed = $this->parseMsg( reset( $retval ) );
 106                                 $r['talkmove-error-code'] = $parsed['code'];
 107                                 $r['talkmove-error-info'] = $parsed['info'];
 108                         }
 109                 }
 110
 111                 // Move subpages
 112                 if ( $params['movesubpages'] ) {
 113                         $r['subpages'] = $this->moveSubpages( $fromTitle, $toTitle,
 114                                         $params['reason'], $params['noredirect'] );
 115                         $this->getResult()->setIndexedTagName( $r['subpages'], 'subpage' );
 116                         if ( $params['movetalk'] ) {
 117                                 $r['subpages-talk'] = $this->moveSubpages( $fromTalk, $toTalk,
 118                                         $params['reason'], $params['noredirect'] );
 119                                 $this->getResult()->setIndexedTagName( $r['subpages-talk'], 'subpage' );
 120                         }
 121                 }
 122
 123                 $watch = "preferences";
 124                 if ( isset( $params['watchlist'] ) ) {
 125                         $watch = $params['watchlist'];
 126                 } elseif ( $params['watch'] ) {
 127                         $watch = 'watch';
 128                 } elseif ( $params['unwatch'] ) {
 129                         $watch = 'unwatch';
 130                 }
 131
 132                 // Watch pages
 133                 $this->setWatch( $watch, $fromTitle, 'watchmoves' );
 134                 $this->setWatch( $watch, $toTitle, 'watchmoves' );
 135
 136                 $this->getResult()->addValue( null, $this->getModuleName(), $r );
 137         }
 138
 139         public function moveSubpages( $fromTitle, $toTitle, $reason, $noredirect ) {
 140                 $retval = array();
 141                 $success = $fromTitle->moveSubpages( $toTitle, true, $reason, !$noredirect );
 142                 if ( isset( $success[0] ) ) {
 143                         return array( 'error' => $this->parseMsg( $success ) );
 144                 } else {
 145                         // At least some pages could be moved
 146                         // Report each of them separately
 147                         foreach ( $success as $oldTitle => $newTitle ) {
 148                                 $r = array( 'from' => $oldTitle );
 149                                 if ( is_array( $newTitle ) ) {
 150                                         $r['error'] = $this->parseMsg( reset( $newTitle ) );
 151                                 } else {
 152                                         // Success
 153                                         $r['to'] = $newTitle;
 154                                 }
 155                                 $retval[] = $r;
 156                         }
 157                 }
 158                 return $retval;
 159         }
 160
 161         public function mustBePosted() {
 162                 return true;
 163         }
 164
 165         public function isWriteMode() {
 166                 return true;
 167         }
 168
 169         public function getAllowedParams() {
 170                 return array(
 171                         'from' => null,
 172                         'fromid' => array(
 173                                 ApiBase::PARAM_TYPE => 'integer'
 174                         ),
 175                         'to' => null,
 176                         'token' => null,
 177                         'reason' => null,
 178                         'movetalk' => false,
 179                         'movesubpages' => false,
 180                         'noredirect' => false,
 181                         'watch' => array(
 182                                 ApiBase::PARAM_DFLT => false,
 183                                 ApiBase::PARAM_DEPRECATED => true,
 184                         ),
 185                         'unwatch' => array(
 186                                 ApiBase::PARAM_DFLT => false,
 187                                 ApiBase::PARAM_DEPRECATED => true,
 188                         ),
 189                         'watchlist' => array(
 190                                 ApiBase::PARAM_DFLT => 'preferences',
 191                                 ApiBase::PARAM_TYPE => array(
 192                                         'watch',
 193                                         'unwatch',
 194                                         'preferences',
 195                                         'nochange'
 196                                 ),
 197                         ),
 198                         'ignorewarnings' => false
 199                 );
 200         }
 201
 202         public function getParamDescription() {
 203                 $p = $this->getModulePrefix();
 204                 return array(
 205                         'from' => "Title of the page you want to move. Cannot be used together with {$p}fromid",
 206                         'fromid' => "Page ID of the page you want to move. Cannot be used together with {$p}from",
 207                         'to' => 'Title you want to rename the page to',
 208                         'token' => 'A move token previously retrieved through prop=info',
 209                         'reason' => 'Reason for the move (optional)',
 210                         'movetalk' => 'Move the talk page, if it exists',
 211                         'movesubpages' => 'Move subpages, if applicable',
 212                         'noredirect' => 'Don\'t create a redirect',
 213                         'watch' => 'Add the page and the redirect to your watchlist',
 214                         'unwatch' => 'Remove the page and the redirect from your watchlist',
 215                         'watchlist' => 'Unconditionally add or remove the page from your watchlist, use preferences or do not change watch',
 216                         'ignorewarnings' => 'Ignore any warnings'
 217                 );
 218         }
 219
 220         public function getDescription() {
 221                 return 'Move a page';
 222         }
 223
 224         public function getPossibleErrors() {
 225                 return array_merge( parent::getPossibleErrors(), array(
 226                         array( 'missingparam', 'to' ),
 227                         array( 'invalidtitle', 'from' ),
 228                         array( 'nosuchpageid', 'fromid' ),
 229                         array( 'notanarticle' ),
 230                         array( 'invalidtitle', 'to' ),
 231                         array( 'sharedfile-exists' ),
 232                 ) );
 233         }
 234
 235         public function getTokenSalt() {
 236                 return '';
 237         }
 238
 239         protected function getExamples() {
 240                 return array(
 241                         'api.php?action=move&from=Exampel&to=Example&token=123ABC&reason=Misspelled%20title&movetalk&noredirect'
 242                 );
 243         }
 244
 245         public function getVersion() {
 246                 return __CLASS__ . ': $Id$';
 247         }
 248 }