]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/api/ApiQueryWatchlist.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / api / ApiQueryWatchlist.php
index 5f9310d4367c3de5fdf3a5aeb313896847d8049f..1e3b2c739832ec6ee3682aac615ef38faf113f2d 100644 (file)
@@ -1,10 +1,10 @@
 <?php
 /**
- * API for MediaWiki 1.8+
+ *
  *
  * Created on Sep 25, 2006
  *
- * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * @file
  */
 
-if ( !defined( 'MEDIAWIKI' ) ) {
-       // Eclipse helper - will be ignored in production
-       require_once( 'ApiQueryBase.php' );
-}
+use MediaWiki\MediaWikiServices;
 
 /**
  * This query action allows clients to retrieve a list of recently modified pages
@@ -37,7 +34,10 @@ if ( !defined( 'MEDIAWIKI' ) ) {
  */
 class ApiQueryWatchlist extends ApiQueryGeneratorBase {
 
-       public function __construct( $query, $moduleName ) {
+       /** @var CommentStore */
+       private $commentStore;
+
+       public function __construct( ApiQuery $query, $moduleName ) {
                parent::__construct( $query, $moduleName, 'wl' );
        }
 
@@ -49,16 +49,23 @@ class ApiQueryWatchlist extends ApiQueryGeneratorBase {
                $this->run( $resultPageSet );
        }
 
-       private $fld_ids = false, $fld_title = false, $fld_patrol = false, $fld_flags = false,
-                       $fld_timestamp = false, $fld_user = false, $fld_comment = false, $fld_parsedcomment = false, $fld_sizes = false,
-                       $fld_notificationtimestamp = false, $fld_userid = false;
+       private $fld_ids = false, $fld_title = false, $fld_patrol = false,
+               $fld_flags = false, $fld_timestamp = false, $fld_user = false,
+               $fld_comment = false, $fld_parsedcomment = false, $fld_sizes = false,
+               $fld_notificationtimestamp = false, $fld_userid = false,
+               $fld_loginfo = false;
 
+       /**
+        * @param ApiPageSet $resultPageSet
+        * @return void
+        */
        private function run( $resultPageSet = null ) {
-               $this->selectNamedDB( 'watchlist', DB_SLAVE, 'watchlist' );
+               $this->selectNamedDB( 'watchlist', DB_REPLICA, 'watchlist' );
 
                $params = $this->extractRequestParams();
 
-               $user = $this->getWatchlistUser( $params );
+               $user = $this->getUser();
+               $wlowner = $this->getWatchlistUser( $params );
 
                if ( !is_null( $params['prop'] ) && is_null( $resultPageSet ) ) {
                        $prop = array_flip( $params['prop'] );
@@ -69,149 +76,143 @@ class ApiQueryWatchlist extends ApiQueryGeneratorBase {
                        $this->fld_user = isset( $prop['user'] );
                        $this->fld_userid = isset( $prop['userid'] );
                        $this->fld_comment = isset( $prop['comment'] );
-                       $this->fld_parsedcomment = isset ( $prop['parsedcomment'] );
+                       $this->fld_parsedcomment = isset( $prop['parsedcomment'] );
                        $this->fld_timestamp = isset( $prop['timestamp'] );
                        $this->fld_sizes = isset( $prop['sizes'] );
                        $this->fld_patrol = isset( $prop['patrol'] );
                        $this->fld_notificationtimestamp = isset( $prop['notificationtimestamp'] );
+                       $this->fld_loginfo = isset( $prop['loginfo'] );
 
                        if ( $this->fld_patrol ) {
                                if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
-                                       $this->dieUsage( 'patrol property is not available', 'patrol' );
+                                       $this->dieWithError( 'apierror-permissiondenied-patrolflag', 'patrol' );
                                }
                        }
+
+                       if ( $this->fld_comment || $this->fld_parsedcomment ) {
+                               $this->commentStore = new CommentStore( 'rc_comment' );
+                       }
                }
 
-               $this->addFields( array(
-                       'rc_namespace',
-                       'rc_title',
-                       'rc_timestamp'
-               ) );
+               $options = [
+                       'dir' => $params['dir'] === 'older'
+                               ? WatchedItemQueryService::DIR_OLDER
+                               : WatchedItemQueryService::DIR_NEWER,
+               ];
 
                if ( is_null( $resultPageSet ) ) {
-                       $this->addFields( array(
-                               'rc_cur_id',
-                               'rc_this_oldid'
-                       ) );
-
-                       $this->addFieldsIf( 'rc_new', $this->fld_flags );
-                       $this->addFieldsIf( 'rc_minor', $this->fld_flags );
-                       $this->addFieldsIf( 'rc_bot', $this->fld_flags );
-                       $this->addFieldsIf( 'rc_user', $this->fld_user || $this->fld_userid );
-                       $this->addFieldsIf( 'rc_user_text', $this->fld_user );
-                       $this->addFieldsIf( 'rc_comment', $this->fld_comment || $this->fld_parsedcomment );
-                       $this->addFieldsIf( 'rc_patrolled', $this->fld_patrol );
-                       $this->addFieldsIf( 'rc_old_len', $this->fld_sizes );
-                       $this->addFieldsIf( 'rc_new_len', $this->fld_sizes );
-                       $this->addFieldsIf( 'wl_notificationtimestamp', $this->fld_notificationtimestamp );
-               } elseif ( $params['allrev'] ) {
-                       $this->addFields( 'rc_this_oldid' );
+                       $options['includeFields'] = $this->getFieldsToInclude();
                } else {
-                       $this->addFields( 'rc_cur_id' );
-               }
-
-               $this->addTables( array(
-                       'watchlist',
-                       'page',
-                       'recentchanges'
-               ) );
-
-               $userId = $user->getId();
-               $this->addWhere( array(
-                       'wl_namespace = rc_namespace',
-                       'wl_title = rc_title',
-                       'rc_cur_id = page_id',
-                       'wl_user' => $userId,
-                       'rc_deleted' => 0,
-               ) );
-               
-               $db = $this->getDB();
-
-               $this->addWhereRange( 'rc_timestamp', $params['dir'], 
-                       $db->timestamp( $params['start'] ), 
-                       $db->timestamp( $params['end'] ) );
-               $this->addWhereFld( 'wl_namespace', $params['namespace'] );
-               $this->addWhereIf( 'rc_this_oldid=page_latest', !$params['allrev'] );
+                       $options['usedInGenerator'] = true;
+               }
+
+               if ( $params['start'] ) {
+                       $options['start'] = $params['start'];
+               }
+               if ( $params['end'] ) {
+                       $options['end'] = $params['end'];
+               }
+
+               $startFrom = null;
+               if ( !is_null( $params['continue'] ) ) {
+                       $cont = explode( '|', $params['continue'] );
+                       $this->dieContinueUsageIf( count( $cont ) != 2 );
+                       $continueTimestamp = $cont[0];
+                       $continueId = (int)$cont[1];
+                       $this->dieContinueUsageIf( $continueId != $cont[1] );
+                       $startFrom = [ $continueTimestamp, $continueId ];
+               }
+
+               if ( $wlowner !== $user ) {
+                       $options['watchlistOwner'] = $wlowner;
+                       $options['watchlistOwnerToken'] = $params['token'];
+               }
+
+               if ( !is_null( $params['namespace'] ) ) {
+                       $options['namespaceIds'] = $params['namespace'];
+               }
+
+               if ( $params['allrev'] ) {
+                       $options['allRevisions'] = true;
+               }
 
                if ( !is_null( $params['show'] ) ) {
                        $show = array_flip( $params['show'] );
 
                        /* Check for conflicting parameters. */
-                       if ( ( isset ( $show['minor'] ) && isset ( $show['!minor'] ) )
-                                       || ( isset ( $show['bot'] ) && isset ( $show['!bot'] ) )
-                                       || ( isset ( $show['anon'] ) && isset ( $show['!anon'] ) )
-                                       || ( isset ( $show['patrolled'] ) && isset ( $show['!patrolled'] ) )
-                       )
-                       {
-                               $this->dieUsageMsg( array( 'show' ) );
+                       if ( $this->showParamsConflicting( $show ) ) {
+                               $this->dieWithError( 'apierror-show' );
                        }
 
                        // Check permissions.
-                       if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) {
-                               global $wgUser;
-                               if ( !$wgUser->useRCPatrol() && !$wgUser->useNPPatrol() ) {
-                                       $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
+                       if ( isset( $show[WatchedItemQueryService::FILTER_PATROLLED] )
+                               || isset( $show[WatchedItemQueryService::FILTER_NOT_PATROLLED] )
+                       ) {
+                               if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
+                                       $this->dieWithError( 'apierror-permissiondenied-patrolflag', 'permissiondenied' );
                                }
                        }
 
-                       /* Add additional conditions to query depending upon parameters. */
-                       $this->addWhereIf( 'rc_minor = 0', isset( $show['!minor'] ) );
-                       $this->addWhereIf( 'rc_minor != 0', isset( $show['minor'] ) );
-                       $this->addWhereIf( 'rc_bot = 0', isset( $show['!bot'] ) );
-                       $this->addWhereIf( 'rc_bot != 0', isset( $show['bot'] ) );
-                       $this->addWhereIf( 'rc_user = 0', isset( $show['anon'] ) );
-                       $this->addWhereIf( 'rc_user != 0', isset( $show['!anon'] ) );
-                       $this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
-                       $this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
+                       $options['filters'] = array_keys( $show );
                }
 
-               if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) ) {
-                       $this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
+               if ( !is_null( $params['type'] ) ) {
+                       try {
+                               $rcTypes = RecentChange::parseToRCType( $params['type'] );
+                               if ( $rcTypes ) {
+                                       $options['rcTypes'] = $rcTypes;
+                               }
+                       } catch ( Exception $e ) {
+                               ApiBase::dieDebug( __METHOD__, $e->getMessage() );
+                       }
                }
+
+               $this->requireMaxOneParameter( $params, 'user', 'excludeuser' );
                if ( !is_null( $params['user'] ) ) {
-                       $this->addWhereFld( 'rc_user_text', $params['user'] );
+                       $options['onlyByUser'] = $params['user'];
                }
                if ( !is_null( $params['excludeuser'] ) ) {
-                       $this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
+                       $options['notByUser'] = $params['excludeuser'];
                }
 
-               
-
-               // This is an index optimization for mysql, as done in the Special:Watchlist page
-               $this->addWhereIf( "rc_timestamp > ''", !isset( $params['start'] ) && !isset( $params['end'] ) && $db->getType() == 'mysql' );
+               $options['limit'] = $params['limit'];
 
-               $this->addOption( 'LIMIT', $params['limit'] + 1 );
+               Hooks::run( 'ApiQueryWatchlistPrepareWatchedItemQueryServiceOptions', [
+                       $this, $params, &$options
+               ] );
 
-               $ids = array();
+               $ids = [];
                $count = 0;
-               $res = $this->select( __METHOD__ );
-
-               foreach ( $res as $row ) {
-                       if ( ++ $count > $params['limit'] ) {
-                               // We've reached the one extra which shows that there are additional pages to be had. Stop here...
-                               $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
-                               break;
-                       }
+               $watchedItemQuery = MediaWikiServices::getInstance()->getWatchedItemQueryService();
+               $items = $watchedItemQuery->getWatchedItemsWithRecentChangeInfo( $wlowner, $options, $startFrom );
 
+               foreach ( $items as list( $watchedItem, $recentChangeInfo ) ) {
+                       /** @var WatchedItem $watchedItem */
                        if ( is_null( $resultPageSet ) ) {
-                               $vals = $this->extractRowInfo( $row );
-                               $fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ), null, $vals );
+                               $vals = $this->extractOutputData( $watchedItem, $recentChangeInfo );
+                               $fit = $this->getResult()->addValue( [ 'query', $this->getModuleName() ], null, $vals );
                                if ( !$fit ) {
-                                       $this->setContinueEnumParameter( 'start',
-                                                       wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
+                                       $startFrom = [ $recentChangeInfo['rc_timestamp'], $recentChangeInfo['rc_id'] ];
                                        break;
                                }
                        } else {
                                if ( $params['allrev'] ) {
-                                       $ids[] = intval( $row->rc_this_oldid );
+                                       $ids[] = intval( $recentChangeInfo['rc_this_oldid'] );
                                } else {
-                                       $ids[] = intval( $row->rc_cur_id );
+                                       $ids[] = intval( $recentChangeInfo['rc_cur_id'] );
                                }
                        }
                }
 
+               if ( $startFrom !== null ) {
+                       $this->setContinueEnumParameter( 'continue', implode( '|', $startFrom ) );
+               }
+
                if ( is_null( $resultPageSet ) ) {
-                       $this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'item' );
+                       $this->getResult()->addIndexedTagName(
+                               [ 'query', $this->getModuleName() ],
+                               'item'
+                       );
                } elseif ( $params['allrev'] ) {
                        $resultPageSet->populateFromRevisionIDs( $ids );
                } else {
@@ -219,115 +220,227 @@ class ApiQueryWatchlist extends ApiQueryGeneratorBase {
                }
        }
 
-       private function extractRowInfo( $row ) {
-               $vals = array();
-
-               if ( $this->fld_ids ) {
-                       $vals['pageid'] = intval( $row->rc_cur_id );
-                       $vals['revid'] = intval( $row->rc_this_oldid );
+       private function getFieldsToInclude() {
+               $includeFields = [];
+               if ( $this->fld_flags ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_FLAGS;
                }
+               if ( $this->fld_user || $this->fld_userid ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_USER_ID;
+               }
+               if ( $this->fld_user ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_USER;
+               }
+               if ( $this->fld_comment || $this->fld_parsedcomment ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_COMMENT;
+               }
+               if ( $this->fld_patrol ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_PATROL_INFO;
+               }
+               if ( $this->fld_sizes ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_SIZES;
+               }
+               if ( $this->fld_loginfo ) {
+                       $includeFields[] = WatchedItemQueryService::INCLUDE_LOG_INFO;
+               }
+               return $includeFields;
+       }
 
-               $title = Title::makeTitle( $row->rc_namespace, $row->rc_title );
+       private function showParamsConflicting( array $show ) {
+               return ( isset( $show[WatchedItemQueryService::FILTER_MINOR] )
+                       && isset( $show[WatchedItemQueryService::FILTER_NOT_MINOR] ) )
+               || ( isset( $show[WatchedItemQueryService::FILTER_BOT] )
+                       && isset( $show[WatchedItemQueryService::FILTER_NOT_BOT] ) )
+               || ( isset( $show[WatchedItemQueryService::FILTER_ANON] )
+                       && isset( $show[WatchedItemQueryService::FILTER_NOT_ANON] ) )
+               || ( isset( $show[WatchedItemQueryService::FILTER_PATROLLED] )
+                       && isset( $show[WatchedItemQueryService::FILTER_NOT_PATROLLED] ) )
+               || ( isset( $show[WatchedItemQueryService::FILTER_UNREAD] )
+                       && isset( $show[WatchedItemQueryService::FILTER_NOT_UNREAD] ) );
+       }
 
-               if ( $this->fld_title ) {
-                       ApiQueryBase::addTitleInfo( $vals, $title );
+       private function extractOutputData( WatchedItem $watchedItem, array $recentChangeInfo ) {
+               /* Determine the title of the page that has been changed. */
+               $title = Title::newFromLinkTarget( $watchedItem->getLinkTarget() );
+               $user = $this->getUser();
+
+               /* Our output data. */
+               $vals = [];
+               $type = intval( $recentChangeInfo['rc_type'] );
+               $vals['type'] = RecentChange::parseFromRCType( $type );
+               $anyHidden = false;
+
+               /* Create a new entry in the result for the title. */
+               if ( $this->fld_title || $this->fld_ids ) {
+                       // These should already have been filtered out of the query, but just in case.
+                       if ( $type === RC_LOG && ( $recentChangeInfo['rc_deleted'] & LogPage::DELETED_ACTION ) ) {
+                               $vals['actionhidden'] = true;
+                               $anyHidden = true;
+                       }
+                       if ( $type !== RC_LOG ||
+                               LogEventsList::userCanBitfield(
+                                       $recentChangeInfo['rc_deleted'],
+                                       LogPage::DELETED_ACTION,
+                                       $user
+                               )
+                       ) {
+                               if ( $this->fld_title ) {
+                                       ApiQueryBase::addTitleInfo( $vals, $title );
+                               }
+                               if ( $this->fld_ids ) {
+                                       $vals['pageid'] = intval( $recentChangeInfo['rc_cur_id'] );
+                                       $vals['revid'] = intval( $recentChangeInfo['rc_this_oldid'] );
+                                       $vals['old_revid'] = intval( $recentChangeInfo['rc_last_oldid'] );
+                               }
+                       }
                }
 
+               /* Add user data and 'anon' flag, if user is anonymous. */
                if ( $this->fld_user || $this->fld_userid ) {
-
-                       if ( $this->fld_user ) {
-                               $vals['user'] = $row->rc_user_text;
+                       if ( $recentChangeInfo['rc_deleted'] & Revision::DELETED_USER ) {
+                               $vals['userhidden'] = true;
+                               $anyHidden = true;
                        }
+                       if ( Revision::userCanBitfield(
+                               $recentChangeInfo['rc_deleted'],
+                               Revision::DELETED_USER,
+                               $user
+                       ) ) {
+                               if ( $this->fld_userid ) {
+                                       $vals['userid'] = (int)$recentChangeInfo['rc_user'];
+                                       // for backwards compatibility
+                                       $vals['user'] = (int)$recentChangeInfo['rc_user'];
+                               }
 
-                       if ( $this->fld_userid ) {
-                               $vals['user'] = $row->rc_user;  
-                       }
+                               if ( $this->fld_user ) {
+                                       $vals['user'] = $recentChangeInfo['rc_user_text'];
+                               }
 
-                       if ( !$row->rc_user ) {
-                               $vals['anon'] = '';
+                               if ( !$recentChangeInfo['rc_user'] ) {
+                                       $vals['anon'] = true;
+                               }
                        }
                }
 
+               /* Add flags, such as new, minor, bot. */
                if ( $this->fld_flags ) {
-                       if ( $row->rc_new ) {
-                               $vals['new'] = '';
-                       }
-                       if ( $row->rc_minor ) {
-                               $vals['minor'] = '';
-                       }
-                       if ( $row->rc_bot ) {
-                               $vals['bot'] = '';
-                       }
+                       $vals['bot'] = (bool)$recentChangeInfo['rc_bot'];
+                       $vals['new'] = $recentChangeInfo['rc_type'] == RC_NEW;
+                       $vals['minor'] = (bool)$recentChangeInfo['rc_minor'];
                }
 
-               if ( $this->fld_patrol && isset( $row->rc_patrolled ) ) {
-                       $vals['patrolled'] = '';
+               /* Add sizes of each revision. (Only available on 1.10+) */
+               if ( $this->fld_sizes ) {
+                       $vals['oldlen'] = intval( $recentChangeInfo['rc_old_len'] );
+                       $vals['newlen'] = intval( $recentChangeInfo['rc_new_len'] );
                }
 
+               /* Add the timestamp. */
                if ( $this->fld_timestamp ) {
-                       $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rc_timestamp );
-               }
-
-               if ( $this->fld_sizes ) {
-                       $vals['oldlen'] = intval( $row->rc_old_len );
-                       $vals['newlen'] = intval( $row->rc_new_len );
+                       $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $recentChangeInfo['rc_timestamp'] );
                }
 
                if ( $this->fld_notificationtimestamp ) {
-                       $vals['notificationtimestamp'] = ( $row->wl_notificationtimestamp == null )
+                       $vals['notificationtimestamp'] = ( $watchedItem->getNotificationTimestamp() == null )
                                ? ''
-                               : wfTimestamp( TS_ISO_8601, $row->wl_notificationtimestamp );
+                               : wfTimestamp( TS_ISO_8601, $watchedItem->getNotificationTimestamp() );
                }
 
-               if ( $this->fld_comment && isset( $row->rc_comment ) ) {
-                       $vals['comment'] = $row->rc_comment;
+               /* Add edit summary / log summary. */
+               if ( $this->fld_comment || $this->fld_parsedcomment ) {
+                       if ( $recentChangeInfo['rc_deleted'] & Revision::DELETED_COMMENT ) {
+                               $vals['commenthidden'] = true;
+                               $anyHidden = true;
+                       }
+                       if ( Revision::userCanBitfield(
+                               $recentChangeInfo['rc_deleted'],
+                               Revision::DELETED_COMMENT,
+                               $user
+                       ) ) {
+                               $comment = $this->commentStore->getComment( $recentChangeInfo )->text;
+                               if ( $this->fld_comment ) {
+                                       $vals['comment'] = $comment;
+                               }
+
+                               if ( $this->fld_parsedcomment ) {
+                                       $vals['parsedcomment'] = Linker::formatComment( $comment, $title );
+                               }
+                       }
+               }
+
+               /* Add the patrolled flag */
+               if ( $this->fld_patrol ) {
+                       $vals['patrolled'] = $recentChangeInfo['rc_patrolled'] == 1;
+                       $vals['unpatrolled'] = ChangesList::isUnpatrolled( (object)$recentChangeInfo, $user );
+               }
+
+               if ( $this->fld_loginfo && $recentChangeInfo['rc_type'] == RC_LOG ) {
+                       if ( $recentChangeInfo['rc_deleted'] & LogPage::DELETED_ACTION ) {
+                               $vals['actionhidden'] = true;
+                               $anyHidden = true;
+                       }
+                       if ( LogEventsList::userCanBitfield(
+                               $recentChangeInfo['rc_deleted'],
+                               LogPage::DELETED_ACTION,
+                               $user
+                       ) ) {
+                               $vals['logid'] = intval( $recentChangeInfo['rc_logid'] );
+                               $vals['logtype'] = $recentChangeInfo['rc_log_type'];
+                               $vals['logaction'] = $recentChangeInfo['rc_log_action'];
+                               $vals['logparams'] = LogFormatter::newFromRow( $recentChangeInfo )->formatParametersForApi();
+                       }
                }
 
-               if ( $this->fld_parsedcomment && isset( $row->rc_comment ) ) {
-                       global $wgUser;
-                       $vals['parsedcomment'] = $wgUser->getSkin()->formatComment( $row->rc_comment, $title );
+               if ( $anyHidden && ( $recentChangeInfo['rc_deleted'] & Revision::DELETED_RESTRICTED ) ) {
+                       $vals['suppressed'] = true;
                }
 
+               Hooks::run( 'ApiQueryWatchlistExtractOutputData', [
+                       $this, $watchedItem, $recentChangeInfo, &$vals
+               ] );
+
                return $vals;
        }
 
        public function getAllowedParams() {
-               return array(
+               return [
                        'allrev' => false,
-                       'start' => array(
+                       'start' => [
                                ApiBase::PARAM_TYPE => 'timestamp'
-                       ),
-                       'end' => array(
+                       ],
+                       'end' => [
                                ApiBase::PARAM_TYPE => 'timestamp'
-                       ),
-                       'namespace' => array (
+                       ],
+                       'namespace' => [
                                ApiBase::PARAM_ISMULTI => true,
                                ApiBase::PARAM_TYPE => 'namespace'
-                       ),
-                       'user' => array(
+                       ],
+                       'user' => [
                                ApiBase::PARAM_TYPE => 'user',
-                       ),
-                       'excludeuser' => array(
+                       ],
+                       'excludeuser' => [
                                ApiBase::PARAM_TYPE => 'user',
-                       ),
-                       'dir' => array(
+                       ],
+                       'dir' => [
                                ApiBase::PARAM_DFLT => 'older',
-                               ApiBase::PARAM_TYPE => array(
+                               ApiBase::PARAM_TYPE => [
                                        'newer',
                                        'older'
-                               )
-                       ),
-                       'limit' => array(
+                               ],
+                               ApiHelp::PARAM_HELP_MSG => 'api-help-param-direction',
+                       ],
+                       'limit' => [
                                ApiBase::PARAM_DFLT => 10,
                                ApiBase::PARAM_TYPE => 'limit',
                                ApiBase::PARAM_MIN => 1,
                                ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
                                ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
-                       ),
-                       'prop' => array(
+                       ],
+                       'prop' => [
                                ApiBase::PARAM_ISMULTI => true,
                                ApiBase::PARAM_DFLT => 'ids|title|flags',
-                               ApiBase::PARAM_TYPE => array(
+                               ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+                               ApiBase::PARAM_TYPE => [
                                        'ids',
                                        'title',
                                        'flags',
@@ -338,92 +451,62 @@ class ApiQueryWatchlist extends ApiQueryGeneratorBase {
                                        'timestamp',
                                        'patrol',
                                        'sizes',
-                                       'notificationtimestamp'
-                               )
-                       ),
-                       'show' => array(
+                                       'notificationtimestamp',
+                                       'loginfo',
+                               ]
+                       ],
+                       'show' => [
                                ApiBase::PARAM_ISMULTI => true,
-                               ApiBase::PARAM_TYPE => array(
-                                       'minor',
-                                       '!minor',
-                                       'bot',
-                                       '!bot',
-                                       'anon',
-                                       '!anon',
-                                       'patrolled',
-                                       '!patrolled',
-                               )
-                       ),
-                       'owner' => array(
+                               ApiBase::PARAM_TYPE => [
+                                       WatchedItemQueryService::FILTER_MINOR,
+                                       WatchedItemQueryService::FILTER_NOT_MINOR,
+                                       WatchedItemQueryService::FILTER_BOT,
+                                       WatchedItemQueryService::FILTER_NOT_BOT,
+                                       WatchedItemQueryService::FILTER_ANON,
+                                       WatchedItemQueryService::FILTER_NOT_ANON,
+                                       WatchedItemQueryService::FILTER_PATROLLED,
+                                       WatchedItemQueryService::FILTER_NOT_PATROLLED,
+                                       WatchedItemQueryService::FILTER_UNREAD,
+                                       WatchedItemQueryService::FILTER_NOT_UNREAD,
+                               ]
+                       ],
+                       'type' => [
+                               ApiBase::PARAM_DFLT => 'edit|new|log|categorize',
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+                               ApiBase::PARAM_TYPE => RecentChange::getChangeTypes()
+                       ],
+                       'owner' => [
                                ApiBase::PARAM_TYPE => 'user'
-                       ),
-                       'token' => array(
-                               ApiBase::PARAM_TYPE => 'string'
-                       )
-               );
-       }
-
-       public function getParamDescription() {
-               return array(
-                       'allrev' => 'Include multiple revisions of the same page within given timeframe',
-                       'start' => 'The timestamp to start enumerating from',
-                       'end' => 'The timestamp to end enumerating',
-                       'namespace' => 'Filter changes to only the given namespace(s)',
-                       'user' => 'Only list changes by this user',
-                       'excludeuser' => 'Don\'t list changes by this user',
-                       'dir' => 'In which direction to enumerate pages',
-                       'limit' => 'How many total results to return per request',
-                       'prop' => array(
-                               'Which additional items to get (non-generator mode only).',
-                               ' ids                    - Adds revision ids and page ids',
-                               ' title                  - Adds title of the page',
-                               ' flags                  - Adds flags for the edit',
-                               ' user                   - Adds the user who made the edit',
-                               ' userid                 - Adds user id of whom made the edit',
-                               ' comment                - Adds comment of the edit',
-                               ' parsedcomment          - Adds parsed comment of the edit',
-                               ' timestamp              - Adds timestamp of the edit',
-                               ' patrol                 - Tags edits that are patrolled',
-                               ' size                   - Adds the old and new lengths of the page',
-                               ' notificationtimestamp  - Adds timestamp of when the user was last notified about the edit',
-                       ),
-                       'show' => array(
-                               'Show only items that meet this criteria.',
-                               "For example, to see only minor edits done by logged-in users, set {$this->getModulePrefix()}show=minor|!anon"
-                       ),
-                       'owner' => 'The name of the user whose watchlist you\'d like to access',
-                       'token' => 'Give a security token (settable in preferences) to allow access to another user\'s watchlist'
-               );
-       }
-
-       public function getDescription() {
-               return "Get all recent changes to pages in the logged in user's watchlist";
-       }
-
-       public function getPossibleErrors() {
-               return array_merge( parent::getPossibleErrors(), array(
-                       array( 'code' => 'bad_wlowner', 'info' => 'Specified user does not exist' ),
-                       array( 'code' => 'bad_wltoken', 'info' => 'Incorrect watchlist token provided -- please set a correct token in Special:Preferences' ),
-                       array( 'code' => 'notloggedin', 'info' => 'You must be logged-in to have a watchlist' ),
-                       array( 'code' => 'patrol', 'info' => 'patrol property is not available' ),
-                       array( 'show' ),
-                       array( 'code' => 'permissiondenied', 'info' => 'You need the patrol right to request the patrolled flag' ),
-                       array( 'code' => 'user-excludeuser', 'info' => 'user and excludeuser cannot be used together' ),
-               ) );
+                       ],
+                       'token' => [
+                               ApiBase::PARAM_TYPE => 'string',
+                               ApiBase::PARAM_SENSITIVE => true,
+                       ],
+                       'continue' => [
+                               ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+                       ],
+               ];
        }
 
-       protected function getExamples() {
-               return array(
-                       'api.php?action=query&list=watchlist',
-                       'api.php?action=query&list=watchlist&wlprop=ids|title|timestamp|user|comment',
-                       'api.php?action=query&list=watchlist&wlallrev=&wlprop=ids|title|timestamp|user|comment',
-                       'api.php?action=query&generator=watchlist&prop=info',
-                       'api.php?action=query&generator=watchlist&gwlallrev=&prop=revisions&rvprop=timestamp|user',
-                       'api.php?action=query&list=watchlist&wlowner=Bob_Smith&wltoken=d8d562e9725ea1512894cdab28e5ceebc7f20237'
-               );
+       protected function getExamplesMessages() {
+               return [
+                       'action=query&list=watchlist'
+                               => 'apihelp-query+watchlist-example-simple',
+                       'action=query&list=watchlist&wlprop=ids|title|timestamp|user|comment'
+                               => 'apihelp-query+watchlist-example-props',
+                       'action=query&list=watchlist&wlallrev=&wlprop=ids|title|timestamp|user|comment'
+                               => 'apihelp-query+watchlist-example-allrev',
+                       'action=query&generator=watchlist&prop=info'
+                               => 'apihelp-query+watchlist-example-generator',
+                       'action=query&generator=watchlist&gwlallrev=&prop=revisions&rvprop=timestamp|user'
+                               => 'apihelp-query+watchlist-example-generator-rev',
+                       'action=query&list=watchlist&wlowner=Example&wltoken=123ABC'
+                               => 'apihelp-query+watchlist-example-wlowner',
+               ];
        }
 
-       public function getVersion() {
-               return __CLASS__ . ': $Id$';
+       public function getHelpUrls() {
+               return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Watchlist';
        }
 }