Stylize API
[lhc/web/wiklou.git] / includes / api / ApiQueryWatchlist.php
index a2552f6..0064e16 100644 (file)
@@ -1,12 +1,11 @@
 <?php
 
-
-/*
+/**
  * Created on Sep 25, 2006
  *
  * API for MediaWiki 1.8+
  *
- * Copyright (C) 2006 Yuri Astrakhan <FirstnameLastname@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
  *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  * http://www.gnu.org/copyleft/gpl.html
  */
 
-if (!defined('MEDIAWIKI')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
        // Eclipse helper - will be ignored in production
-       require_once ('ApiQueryBase.php');
+       require_once( 'ApiQueryBase.php' );
 }
 
+/**
+ * This query action allows clients to retrieve a list of recently modified pages
+ * that are part of the logged-in user's watchlist.
+ *
+ * @ingroup API
+ */
 class ApiQueryWatchlist extends ApiQueryGeneratorBase {
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'wl');
+       public function __construct( $query, $moduleName ) {
+               parent::__construct( $query, $moduleName, 'wl' );
        }
 
        public function execute() {
                $this->run();
        }
 
-       public function executeGenerator($resultPageSet) {
-               $this->run($resultPageSet);
+       public function executeGenerator( $resultPageSet ) {
+               $this->run( $resultPageSet );
        }
 
-       private function run($resultPageSet = null) {
-               global $wgUser;
-
-               if (!$wgUser->isLoggedIn())
-                       $this->dieUsage('You must be logged-in to have a watchlist', 'notloggedin');
-
-               $allrev = $start = $end = $namespace = $dir = $limit = $prop = null;
-               extract($this->extractRequestParams());
-
-               $db = $this->getDB();
-
-               $dirNewer = ($dir === 'newer');
-               $before = ($dirNewer ? '<=' : '>=');
-               $after = ($dirNewer ? '>=' : '<=');
-
-               $tables = array (
-                       'watchlist',
-                       'page',
-                       'recentchanges'
-               );
-
-               $options = array (
-                       'LIMIT' => $limit +1,
-                       'ORDER BY' => 'rc_timestamp' . ($dirNewer ? '' : ' DESC'
-               ));
-
-               $patrol = $timestamp = $user = $comment = false;
-               if (!is_null($prop)) {
-                       if (!is_null($resultPageSet))
-                               $this->dieUsage('prop parameter may not be used in a generator', 'params');
-
-                       $user = (false !== array_search('user', $prop));
-                       $comment = (false !== array_search('comment', $prop));
-                       $timestamp = (false !== array_search('timestamp', $prop));
-                       $patrol = (false !== array_search('patrol', $prop));
-
-                       if ($patrol) {
-                               global $wgUseRCPatrol, $wgUser;
-                               if (!$wgUseRCPatrol || !$wgUser->isAllowed('patrol'))
-                                       $this->dieUsage('patrol property is not available', 'patrol');
+       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;
+
+       private function run( $resultPageSet = null ) {
+               $this->selectNamedDB( 'watchlist', DB_SLAVE, 'watchlist' );
+
+               $params = $this->extractRequestParams();
+               
+               $user = $this->getWatchlistUser( $params );
+
+               if ( !is_null( $params['prop'] ) && is_null( $resultPageSet ) ) {
+                       $prop = array_flip( $params['prop'] );
+
+                       $this->fld_ids = isset( $prop['ids'] );
+                       $this->fld_title = isset( $prop['title'] );
+                       $this->fld_flags = isset( $prop['flags'] );
+                       $this->fld_user = isset( $prop['user'] );
+                       $this->fld_comment = isset( $prop['comment'] );
+                       $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'] );
+
+                       if ( $this->fld_patrol ) {
+                               if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
+                                       $this->dieUsage( 'patrol property is not available', 'patrol' );
+                               }
                        }
                }
 
-               if (is_null($resultPageSet)) {
-                       $fields = array (
-                               'rc_cur_id AS page_id',
-                               'rc_this_oldid AS rev_id',
-                               'rc_namespace AS page_namespace',
-                               'rc_title AS page_title',
-                               'rc_new AS page_is_new',
-                               'rc_minor AS rev_minor_edit'
-                       );
-                       if ($user) {
-                               $fields[] = 'rc_user AS rev_user';
-                               $fields[] = 'rc_user_text AS rev_user_text';
-                       }
-                       if ($comment)
-                               $fields[] = 'rc_comment AS rev_comment';
-                       if ($timestamp)
-                               $fields[] = 'rc_timestamp AS rev_timestamp';
-                       if ($patrol)
-                               $fields[] = 'rc_patrolled';
-               }
-               elseif ($allrev) {
-                       $fields = array (
-                               'rc_this_oldid AS rev_id',
-                               'rc_namespace AS page_namespace',
-                               'rc_title AS page_title',
-                               'rc_timestamp AS rev_timestamp'
-                       );
+               $this->addFields( array(
+                       'rc_namespace',
+                       'rc_title',
+                       'rc_timestamp'
+               ) );
+
+               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->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' );
                } else {
-                       $fields = array (
-                               'rc_cur_id AS page_id',
-                               'rc_namespace AS page_namespace',
-                               'rc_title AS page_title',
-                               'rc_timestamp AS rev_timestamp'
-                       );
+                       $this->addFields( 'rc_cur_id' );
                }
 
-               $where = array (
+               $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' => $wgUser->getID());
+                       'wl_user' => $userId,
+                       'rc_deleted' => 0,
+               ) );
+
+               $this->addWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );
+               $this->addWhereFld( 'wl_namespace', $params['namespace'] );
+               $this->addWhereIf( 'rc_this_oldid=page_latest', !$params['allrev'] );
+
+               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 (!$allrev)
-                       $where[] = 'rc_this_oldid=page_latest';
-               if (isset ($namespace))
-                       $where['wl_namespace'] = $namespace;
+                       // Check permissions.  FIXME: should this check $user instead of $wgUser?
+                       if ( ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) && !$wgUser->useRCPatrol() && !$wgUser->useNPPatrol() )
+                       {
+                               $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
+                       }
 
-               if (isset ($start))
-                       $where[] = 'rc_timestamp' . $after . $db->addQuotes($start);
+                       /* 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'] ) );
+               }
 
-               if (isset ($end))
-                       $where[] = 'rc_timestamp' . $before . $db->addQuotes($end);
+               if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) ) {
+                       $this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
+               }
+               if ( !is_null( $params['user'] ) ) {
+                       $this->addWhereFld( 'rc_user_text', $params['user'] );
+               }
+               if ( !is_null( $params['excludeuser'] ) ) {
+                       $this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
+               }
+
+               $db = $this->getDB();
 
-               if (!isset ($start) && !isset ($end))
-                       $where[] = "rc_timestamp > ''";
+               // 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' );
 
-               $this->profileDBIn();
-               $res = $db->select($tables, $fields, $where, __METHOD__, $options);
-               $this->profileDBOut();
+               $this->addOption( 'LIMIT', $params['limit'] + 1 );
 
-               $data = array ();
+               $ids = array();
                $count = 0;
-               while ($row = $db->fetchObject($res)) {
-                       if (++ $count > $limit) {
+               $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('from', $row->rev_timestamp);
+                               $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
                                break;
                        }
 
-                       $title = Title :: makeTitle($row->page_namespace, $row->page_title);
-                       // skip any pages that user has no rights to read
-                       if ($title->userCanRead()) {
-
-                               if (is_null($resultPageSet)) {
-                                       $id = intval($row->page_id);
-
-                                       $vals = array ();
-                                       $vals['pageid'] = intval($row->page_id);
-                                       $vals['revid'] = intval($row->rev_id);
-                                       $vals['ns'] = $title->getNamespace();
-                                       $vals['title'] = $title->getPrefixedText();
-
-                                       if ($row->page_is_new)
-                                               $vals['new'] = '';
-                                       if ($row->rev_minor_edit)
-                                               $vals['minor'] = '';
-
-                                       if ($user) {
-                                               if (!$row->rev_user)
-                                                       $vals['anon'] = '';
-                                               $vals['user'] = $row->rev_user_text;
-                                       }
-                                       if ($comment)
-                                               $vals['comment'] = $row->rev_comment;
-                                       if ($timestamp)
-                                               $vals['timestamp'] = $row->rev_timestamp;
-                                       if ($patrol && $row->rc_patrolled)
-                                               $vals['patrolled'] = '';
-
-                                       $data[] = $vals;
+                       if ( is_null( $resultPageSet ) ) {
+                               $vals = $this->extractRowInfo( $row );
+                               $fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ), null, $vals );
+                               if ( !$fit ) {
+                                       $this->setContinueEnumParameter( 'start',
+                                                       wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
+                                       break;
                                }
-                               elseif ($allrev) {
-                                       $data[] = intval($row->rev_id);
+                       } else {
+                               if ( $params['allrev'] ) {
+                                       $ids[] = intval( $row->rc_this_oldid );
                                } else {
-                                       $data[] = intval($row->page_id);
+                                       $ids[] = intval( $row->rc_cur_id );
                                }
                        }
                }
-               $db->freeResult($res);
 
-               if (is_null($resultPageSet)) {
-                       ApiResult :: setIndexedTagName($data, 'item');
-                       $this->getResult()->addValue('query', $this->getModuleName(), $data);
-               }
-               elseif ($allrev) {
-                       $resultPageSet->populateFromRevisionIDs($data);
+               if ( is_null( $resultPageSet ) ) {
+                       $this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'item' );
+               } elseif ( $params['allrev'] ) {
+                       $resultPageSet->populateFromRevisionIDs( $ids );
                } else {
-                       $resultPageSet->populateFromPageIDs($data);
+                       $resultPageSet->populateFromPageIDs( $ids );
+               }
+       }
+
+       private function extractRowInfo( $row ) {
+               $vals = array();
+
+               if ( $this->fld_ids ) {
+                       $vals['pageid'] = intval( $row->rc_cur_id );
+                       $vals['revid'] = intval( $row->rc_this_oldid );
+               }
+
+               $title = Title::makeTitle( $row->rc_namespace, $row->rc_title );
+
+               if ( $this->fld_title ) {
+                       ApiQueryBase::addTitleInfo( $vals, $title );
+               }
+
+               if ( $this->fld_user ) {
+                       $vals['user'] = $row->rc_user_text;
+                       if ( !$row->rc_user ) {
+                               $vals['anon'] = '';
+                       }
+               }
+
+               if ( $this->fld_flags ) {
+                       if ( $row->rc_new ) {
+                               $vals['new'] = '';
+                       }
+                       if ( $row->rc_minor ) {
+                               $vals['minor'] = '';
+                       }
+                       if ( $row->rc_bot ) {
+                               $vals['bot'] = '';
+                       }
+               }
+
+               if ( $this->fld_patrol && isset( $row->rc_patrolled ) ) {
+                       $vals['patrolled'] = '';
+               }
+
+               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 );
                }
+
+               if ( $this->fld_notificationtimestamp ) {
+                       $vals['notificationtimestamp'] = ( $row->wl_notificationtimestamp == null )
+                               ? ''
+                               : wfTimestamp( TS_ISO_8601, $row->wl_notificationtimestamp );
+               }
+
+               if ( $this->fld_comment && isset( $row->rc_comment ) ) {
+                       $vals['comment'] = $row->rc_comment;
+               }
+
+               if ( $this->fld_parsedcomment && isset( $row->rc_comment ) ) {
+                       global $wgUser;
+                       $vals['parsedcomment'] = $wgUser->getSkin()->formatComment( $row->rc_comment, $title );
+               }
+
+               return $vals;
        }
 
-       protected function getAllowedParams() {
-               $namespaces = $this->getQuery()->getValidNamespaces();
-               return array (
+       public function getAllowedParams() {
+               return array(
                        'allrev' => false,
-                       'start' => array (
-                               ApiBase :: PARAM_TYPE => 'timestamp'
+                       'start' => array(
+                               ApiBase::PARAM_TYPE => 'timestamp'
                        ),
-                       'end' => array (
-                               ApiBase :: PARAM_TYPE => 'timestamp'
+                       'end' => array(
+                               ApiBase::PARAM_TYPE => 'timestamp'
                        ),
                        'namespace' => array (
-                               ApiBase :: PARAM_ISMULTI => true,
-                               ApiBase :: PARAM_TYPE => $namespaces
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => 'namespace'
+                       ),
+                       'user' => array(
+                               ApiBase::PARAM_TYPE => 'user',
+                       ),
+                       'excludeuser' => array(
+                               ApiBase::PARAM_TYPE => 'user',
                        ),
-                       'dir' => array (
-                               ApiBase :: PARAM_DFLT => 'older',
-                               ApiBase :: PARAM_TYPE => array (
+                       'dir' => array(
+                               ApiBase::PARAM_DFLT => 'older',
+                               ApiBase::PARAM_TYPE => array(
                                        'newer',
                                        'older'
                                )
                        ),
-                       'limit' => array (
-                               ApiBase :: PARAM_DFLT => 10,
-                               ApiBase :: PARAM_TYPE => 'limit',
-                               ApiBase :: PARAM_MIN => 1,
-                               ApiBase :: PARAM_MAX1 => ApiBase :: LIMIT_BIG1,
-                               ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
+                       'limit' => array(
+                               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 (
-                               APIBase :: PARAM_ISMULTI => true,
-                               APIBase :: PARAM_TYPE => array (
+                       'prop' => array(
+                               APIBase::PARAM_ISMULTI => true,
+                               APIBase::PARAM_DFLT => 'ids|title|flags',
+                               APIBase::PARAM_TYPE => array(
+                                       'ids',
+                                       'title',
+                                       'flags',
                                        'user',
                                        'comment',
+                                       'parsedcomment',
                                        'timestamp',
-                                       'patrol'
+                                       'patrol',
+                                       'sizes',
+                                       'notificationtimestamp'
                                )
+                       ),
+                       'show' => array(
+                               ApiBase::PARAM_ISMULTI => true,
+                               ApiBase::PARAM_TYPE => array(
+                                       'minor',
+                                       '!minor',
+                                       'bot',
+                                       '!bot',
+                                       'anon',
+                                       '!anon',
+                                       'patrolled',
+                                       '!patrolled',
+                               )
+                       ),
+                       'owner' => array(
+                               ApiBase::PARAM_TYPE => 'user'
+                       ),
+                       'token' => array(
+                               ApiBase::PARAM_TYPE => 'string'
                        )
                );
        }
 
-       protected 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).',
-                       'dir' => 'In which direction to enumerate pages.',
-                       'limit' => 'How many total pages to return per request.',
-                       'prop' => 'Which additional items to get (non-generator mode only).'
+       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 user who 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'
                );
        }
 
-       protected function getDescription() {
-               return '';
+       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' ),
+               ) );
        }
 
        protected function getExamples() {
-               return array (
+               return array(
                        'api.php?action=query&list=watchlist',
-                       'api.php?action=query&list=watchlist&wlallrev',
+                       '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&generator=watchlist&gwlallrev&prop=revisions&rvprop=timestamp|user',
+                       'api.php?action=query&list=watchlist&wlowner=Bob_Smith&wltoken=d8d562e9725ea1512894cdab28e5ceebc7f20237'
                );
        }
 
@@ -276,4 +409,3 @@ class ApiQueryWatchlist extends ApiQueryGeneratorBase {
                return __CLASS__ . ': $Id$';
        }
 }
-?>
\ No newline at end of file