]> scripts.mit.edu Git - autoinstalls/mediawiki.git/blobdiff - includes/api/ApiQueryWatchlist.php
MediaWiki 1.11.0
[autoinstalls/mediawiki.git] / includes / api / ApiQueryWatchlist.php
diff --git a/includes/api/ApiQueryWatchlist.php b/includes/api/ApiQueryWatchlist.php
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+<?php
+
+/*
+ * Created on Sep 25, 2006
+ *
+ * API for MediaWiki 1.8+
+ *
+ * Copyright (C) 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+if (!defined('MEDIAWIKI')) {
+       // Eclipse helper - will be ignored in production
+       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.
+ * 
+ * @addtogroup API
+ */
+class ApiQueryWatchlist extends ApiQueryGeneratorBase {
+
+       public function __construct($query, $moduleName) {
+               parent :: __construct($query, $moduleName, 'wl');
+       }
+
+       public function execute() {
+               $this->run();
+       }
+
+       public function executeGenerator($resultPageSet) {
+               $this->run($resultPageSet);
+       }
+
+       private $fld_ids = false, $fld_title = false, $fld_patrol = false, $fld_flags = false,
+                       $fld_timestamp = false, $fld_user = false, $fld_comment = false, $fld_sizes = false;
+       
+       private function run($resultPageSet = null) {
+               global $wgUser, $wgDBtype;
+
+               $this->selectNamedDB('watchlist', DB_SLAVE, 'watchlist');
+
+               if (!$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());
+
+               if (!is_null($prop) && is_null($resultPageSet)) {
+
+                       $prop = array_flip($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']);
+                       $this->fld_timestamp = isset($prop['timestamp']);
+                       $this->fld_sizes = isset($prop['sizes']);
+                       $this->fld_patrol = isset($prop['patrol']);
+
+                       if ($this->fld_patrol) {
+                               global $wgUseRCPatrol, $wgUser;
+                               if (!$wgUseRCPatrol || !$wgUser->isAllowed('patrol'))
+                                       $this->dieUsage('patrol property is not available', 'patrol');
+                       }
+               }
+
+               if (is_null($resultPageSet)) {
+                       $this->addFields(array (
+                               'rc_cur_id',
+                               'rc_this_oldid',
+                               'rc_namespace',
+                               'rc_title',
+                               'rc_timestamp'
+                       ));
+
+                       $this->addFieldsIf('rc_new', $this->fld_flags);
+                       $this->addFieldsIf('rc_minor', $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->addFieldsIf('rc_patrolled', $this->fld_patrol);
+                       $this->addFieldsIf('rc_old_len', $this->fld_sizes);
+                       $this->addFieldsIf('rc_new_len', $this->fld_sizes);
+               }
+               elseif ($allrev) {
+                       $this->addFields(array (
+                               'rc_this_oldid',
+                               'rc_namespace',
+                               'rc_title',
+                               'rc_timestamp'
+                       ));
+               } else {
+                       $this->addFields(array (
+                               'rc_cur_id',
+                               'rc_namespace',
+                               'rc_title',
+                               'rc_timestamp'
+                       ));
+               }
+
+               $this->addTables(array (
+                       'watchlist',
+                       'page',
+                       'recentchanges'
+               ));
+
+               $userId = $wgUser->getID();
+               $this->addWhere(array (
+                       'wl_namespace = rc_namespace',
+                       'wl_title = rc_title',
+                       'rc_cur_id = page_id',
+                       'wl_user' => $userId,
+                       'rc_deleted' => 0,
+               ));
+
+               $this->addWhereRange('rc_timestamp', $dir, $start, $end);
+               $this->addWhereFld('wl_namespace', $namespace);
+               $this->addWhereIf('rc_this_oldid=page_latest', !$allrev);
+               
+               # This is a index optimization for mysql, as done in the Special:Watchlist page
+               $this->addWhereIf("rc_timestamp > ''", !isset ($start) && !isset ($end) && $wgDBtype == 'mysql');
+
+               $this->addOption('LIMIT', $limit +1);
+
+               $data = array ();
+               $count = 0;
+               $res = $this->select(__METHOD__);
+
+               $db = $this->getDB();
+               while ($row = $db->fetchObject($res)) {
+                       if (++ $count > $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, $row->rc_timestamp));
+                               break;
+                       }
+
+                       if (is_null($resultPageSet)) {
+                               $vals = $this->extractRowInfo($row);
+                               if ($vals)
+                                       $data[] = $vals;
+                       } else {
+                               if ($allrev) {
+                                       $data[] = intval($row->rc_this_oldid);
+                               } else {
+                                       $data[] = intval($row->rc_cur_id);
+                               }
+                       }
+               }
+
+               $db->freeResult($res);
+
+               if (is_null($resultPageSet)) {
+                       $this->getResult()->setIndexedTagName($data, 'item');
+                       $this->getResult()->addValue('query', $this->getModuleName(), $data);
+               }
+               elseif ($allrev) {
+                       $resultPageSet->populateFromRevisionIDs($data);
+               } else {
+                       $resultPageSet->populateFromPageIDs($data);
+               }
+       }
+
+       private function extractRowInfo($row) {
+
+               $vals = array ();
+
+               if ($this->fld_ids) {
+                       $vals['pageid'] = intval($row->rc_cur_id);
+                       $vals['revid'] = intval($row->rc_this_oldid); 
+               }
+               
+               if ($this->fld_title)
+                       ApiQueryBase :: addTitleInfo($vals, Title :: makeTitle($row->rc_namespace, $row->rc_title));
+
+               if ($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)
+                               $vals['minor'] = '';
+               }
+
+               if ($this->fld_patrol && isset($row->rc_patrolled))
+                       $vals['patrolled'] = '';
+
+               if ($this->fld_timestamp)
+                       $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->rc_timestamp);
+
+                       $this->addFieldsIf('rc_new_len', $this->fld_sizes);
+
+               if ($this->fld_sizes) {
+                       $vals['oldlen'] = intval($row->rc_old_len);
+                       $vals['newlen'] = intval($row->rc_new_len);
+               }
+
+               if ($this->fld_comment && !empty ($row->rc_comment))
+                       $vals['comment'] = $row->rc_comment;
+
+               return $vals;
+       }
+
+       protected function getAllowedParams() {
+               return array (
+                       'allrev' => false,
+                       'start' => array (
+                               ApiBase :: PARAM_TYPE => 'timestamp'
+                       ),
+                       'end' => array (
+                               ApiBase :: PARAM_TYPE => 'timestamp'
+                       ),
+                       'namespace' => array (
+                               ApiBase :: PARAM_ISMULTI => true,
+                               ApiBase :: PARAM_TYPE => 'namespace'
+                       ),
+                       '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_MAX => ApiBase :: LIMIT_BIG1,
+                               ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
+                       ),
+                       'prop' => array (
+                               APIBase :: PARAM_ISMULTI => true,
+                               APIBase :: PARAM_DFLT => 'ids|title|flags',
+                               APIBase :: PARAM_TYPE => array (
+                                       'ids',
+                                       'title',
+                                       'flags',
+                                       'user',
+                                       'comment',
+                                       'timestamp',
+                                       'patrol',
+                                       'sizes',
+                               )
+                       )
+               );
+       }
+
+       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).'
+               );
+       }
+
+       protected function getDescription() {
+               return '';
+       }
+
+       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'
+               );
+       }
+
+       public function getVersion() {
+               return __CLASS__ . ': $Id: ApiQueryWatchlist.php 24092 2007-07-14 19:04:31Z yurik $';
+       }
+}
+