includes/api/ApiQueryWatchlistRaw.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on Oct 4, 2008
   6  *
   7  * Copyright © 2008 Roan Kattouw "<Firstname>.<Lastname>@gmail.com"
   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  * @file
  25  */
  26
  27 use MediaWiki\MediaWikiServices;
  28
  29 /**
  30  * This query action allows clients to retrieve a list of pages
  31  * on the logged-in user's watchlist.
  32  *
  33  * @ingroup API
  34  */
  35 class ApiQueryWatchlistRaw extends ApiQueryGeneratorBase {
  36
  37         public function __construct( ApiQuery $query, $moduleName ) {
  38                 parent::__construct( $query, $moduleName, 'wr' );
  39         }
  40
  41         public function execute() {
  42                 $this->run();
  43         }
  44
  45         public function executeGenerator( $resultPageSet ) {
  46                 $this->run( $resultPageSet );
  47         }
  48
  49         /**
  50          * @param ApiPageSet $resultPageSet
  51          * @return void
  52          */
  53         private function run( $resultPageSet = null ) {
  54                 $params = $this->extractRequestParams();
  55
  56                 $user = $this->getWatchlistUser( $params );
  57
  58                 $prop = array_flip( (array)$params['prop'] );
  59                 $show = array_flip( (array)$params['show'] );
  60                 if ( isset( $show[WatchedItemQueryService::FILTER_CHANGED] )
  61                         && isset( $show[WatchedItemQueryService::FILTER_NOT_CHANGED] )
  62                 ) {
  63                         $this->dieWithError( 'apierror-show' );
  64                 }
  65
  66                 $options = [];
  67                 if ( $params['namespace'] ) {
  68                         $options['namespaceIds'] = $params['namespace'];
  69                 }
  70                 if ( isset( $show[WatchedItemQueryService::FILTER_CHANGED] ) ) {
  71                         $options['filter'] = WatchedItemQueryService::FILTER_CHANGED;
  72                 }
  73                 if ( isset( $show[WatchedItemQueryService::FILTER_NOT_CHANGED] ) ) {
  74                         $options['filter'] = WatchedItemQueryService::FILTER_NOT_CHANGED;
  75                 }
  76
  77                 if ( isset( $params['continue'] ) ) {
  78                         $cont = explode( '|', $params['continue'] );
  79                         $this->dieContinueUsageIf( count( $cont ) != 2 );
  80                         $ns = intval( $cont[0] );
  81                         $this->dieContinueUsageIf( strval( $ns ) !== $cont[0] );
  82                         $title = $cont[1];
  83                         $options['startFrom'] = new TitleValue( $ns, $title );
  84                 }
  85
  86                 if ( isset( $params['fromtitle'] ) ) {
  87                         list( $ns, $title ) = $this->prefixedTitlePartToKey( $params['fromtitle'] );
  88                         $options['from'] = new TitleValue( $ns, $title );
  89                 }
  90
  91                 if ( isset( $params['totitle'] ) ) {
  92                         list( $ns, $title ) = $this->prefixedTitlePartToKey( $params['totitle'] );
  93                         $options['until'] = new TitleValue( $ns, $title );
  94                 }
  95
  96                 $options['sort'] = WatchedItemStore::SORT_ASC;
  97                 if ( $params['dir'] === 'descending' ) {
  98                         $options['sort'] = WatchedItemStore::SORT_DESC;
  99                 }
 100                 $options['limit'] = $params['limit'] + 1;
 101
 102                 $titles = [];
 103                 $count = 0;
 104                 $items = MediaWikiServices::getInstance()->getWatchedItemQueryService()
 105                         ->getWatchedItemsForUser( $user, $options );
 106                 foreach ( $items as $item ) {
 107                         $ns = $item->getLinkTarget()->getNamespace();
 108                         $dbKey = $item->getLinkTarget()->getDBkey();
 109                         if ( ++$count > $params['limit'] ) {
 110                                 // We've reached the one extra which shows that there are
 111                                 // additional pages to be had. Stop here...
 112                                 $this->setContinueEnumParameter( 'continue', $ns . '|' . $dbKey );
 113                                 break;
 114                         }
 115                         $t = Title::makeTitle( $ns, $dbKey );
 116
 117                         if ( is_null( $resultPageSet ) ) {
 118                                 $vals = [];
 119                                 ApiQueryBase::addTitleInfo( $vals, $t );
 120                                 if ( isset( $prop['changed'] ) && !is_null( $item->getNotificationTimestamp() ) ) {
 121                                         $vals['changed'] = wfTimestamp( TS_ISO_8601, $item->getNotificationTimestamp() );
 122                                 }
 123                                 $fit = $this->getResult()->addValue( $this->getModuleName(), null, $vals );
 124                                 if ( !$fit ) {
 125                                         $this->setContinueEnumParameter( 'continue', $ns . '|' . $dbKey );
 126                                         break;
 127                                 }
 128                         } else {
 129                                 $titles[] = $t;
 130                         }
 131                 }
 132                 if ( is_null( $resultPageSet ) ) {
 133                         $this->getResult()->addIndexedTagName( $this->getModuleName(), 'wr' );
 134                 } else {
 135                         $resultPageSet->populateFromTitles( $titles );
 136                 }
 137         }
 138
 139         public function getAllowedParams() {
 140                 return [
 141                         'continue' => [
 142                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 143                         ],
 144                         'namespace' => [
 145                                 ApiBase::PARAM_ISMULTI => true,
 146                                 ApiBase::PARAM_TYPE => 'namespace'
 147                         ],
 148                         'limit' => [
 149                                 ApiBase::PARAM_DFLT => 10,
 150                                 ApiBase::PARAM_TYPE => 'limit',
 151                                 ApiBase::PARAM_MIN => 1,
 152                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
 153                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
 154                         ],
 155                         'prop' => [
 156                                 ApiBase::PARAM_ISMULTI => true,
 157                                 ApiBase::PARAM_TYPE => [
 158                                         'changed',
 159                                 ],
 160                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
 161                         ],
 162                         'show' => [
 163                                 ApiBase::PARAM_ISMULTI => true,
 164                                 ApiBase::PARAM_TYPE => [
 165                                         WatchedItemQueryService::FILTER_CHANGED,
 166                                         WatchedItemQueryService::FILTER_NOT_CHANGED
 167                                 ]
 168                         ],
 169                         'owner' => [
 170                                 ApiBase::PARAM_TYPE => 'user'
 171                         ],
 172                         'token' => [
 173                                 ApiBase::PARAM_TYPE => 'string'
 174                         ],
 175                         'dir' => [
 176                                 ApiBase::PARAM_DFLT => 'ascending',
 177                                 ApiBase::PARAM_TYPE => [
 178                                         'ascending',
 179                                         'descending'
 180                                 ],
 181                         ],
 182                         'fromtitle' => [
 183                                 ApiBase::PARAM_TYPE => 'string'
 184                         ],
 185                         'totitle' => [
 186                                 ApiBase::PARAM_TYPE => 'string'
 187                         ],
 188                 ];
 189         }
 190
 191         protected function getExamplesMessages() {
 192                 return [
 193                         'action=query&list=watchlistraw'
 194                                 => 'apihelp-query+watchlistraw-example-simple',
 195                         'action=query&generator=watchlistraw&gwrshow=changed&prop=info'
 196                                 => 'apihelp-query+watchlistraw-example-generator',
 197                 ];
 198         }
 199
 200         public function getHelpUrls() {
 201                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Watchlistraw';
 202         }
 203 }