includes/api/ApiQueryUsers.php

   1 <?php
   2
   3 /*
   4  * Created on July 30, 2007
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if (!defined('MEDIAWIKI')) {
  27         // Eclipse helper - will be ignored in production
  28         require_once ('ApiQueryBase.php');
  29 }
  30
  31 /**
  32  * Query module to get information about a list of users
  33  *
  34  * @ingroup API
  35  */
  36
  37  class ApiQueryUsers extends ApiQueryBase {
  38
  39         public function __construct($query, $moduleName) {
  40                 parent :: __construct($query, $moduleName, 'us');
  41         }
  42
  43         public function execute() {
  44                 $params = $this->extractRequestParams();
  45                 $result = $this->getResult();
  46                 $r = array();
  47
  48                 if (!is_null($params['prop'])) {
  49                         $this->prop = array_flip($params['prop']);
  50                 } else {
  51                         $this->prop = array();
  52                 }
  53
  54                 $users = (array)$params['users'];
  55                 $goodNames = $done = array();
  56                 $result = $this->getResult();
  57                 // Canonicalize user names
  58                 foreach($users as $u) {
  59                         $n = User::getCanonicalName($u);
  60                         if($n === false || $n === '')
  61                         {
  62                                 $vals = array('name' => $u, 'invalid' => '');
  63                                 $fit = $result->addValue(array('query', $this->getModuleName()),
  64                                                 null, $vals);
  65                                 if(!$fit)
  66                                 {
  67                                         $this->setContinueEnumParameter('users',
  68                                                         implode('|', array_diff($users, $done)));
  69                                         $goodNames = array();
  70                                         break;
  71                                 }
  72                                 $done[] = $u;
  73                         }
  74                          else
  75                                 $goodNames[] = $n;
  76                 }
  77                 if(count($goodNames))
  78                 {
  79                         $db = $this->getDb();
  80                         $this->addTables('user', 'u1');
  81                         $this->addFields('u1.user_name');
  82                         $this->addWhereFld('u1.user_name', $goodNames);
  83                         $this->addFieldsIf('u1.user_editcount', isset($this->prop['editcount']));
  84                         $this->addFieldsIf('u1.user_registration', isset($this->prop['registration']));
  85
  86                         if(isset($this->prop['groups'])) {
  87                                 $this->addTables('user_groups');
  88                                 $this->addJoinConds(array('user_groups' => array('LEFT JOIN', 'ug_user=u1.user_id')));
  89                                 $this->addFields('ug_group');
  90                         }
  91                         if(isset($this->prop['blockinfo'])) {
  92                                 $this->addTables('ipblocks');
  93                                 $this->addTables('user', 'u2');
  94                                 $u2 = $this->getAliasedName('user', 'u2');
  95                                 $this->addJoinConds(array(
  96                                         'ipblocks' => array('LEFT JOIN', 'ipb_user=u1.user_id'),
  97                                         $u2 => array('LEFT JOIN', 'ipb_by=u2.user_id')));
  98                                 $this->addFields(array('ipb_reason', 'u2.user_name blocker_name'));
  99                         }
 100
 101                         $data = array();
 102                         $res = $this->select(__METHOD__);
 103                         while(($r = $db->fetchObject($res))) {
 104                                 $data[$r->user_name]['name'] = $r->user_name;
 105                                 if(isset($this->prop['editcount']))
 106                                         $data[$r->user_name]['editcount'] = $r->user_editcount;
 107                                 if(isset($this->prop['registration']))
 108                                         $data[$r->user_name]['registration'] = wfTimestampOrNull(TS_ISO_8601, $r->user_registration);
 109                                 if(isset($this->prop['groups']))
 110                                         // This row contains only one group, others will be added from other rows
 111                                         if(!is_null($r->ug_group))
 112                                                 $data[$r->user_name]['groups'][] = $r->ug_group;
 113                                 if(isset($this->prop['blockinfo']))
 114                                         if(!is_null($r->blocker_name)) {
 115                                                 $data[$r->user_name]['blockedby'] = $r->blocker_name;
 116                                                 $data[$r->user_name]['blockreason'] = $r->ipb_reason;
 117                                         }
 118                         }
 119                 }
 120                 // Second pass: add result data to $retval
 121                 foreach($goodNames as $u) {
 122                         if(!isset($data[$u]))
 123                                 $retval[] = array('name' => $u, 'missing' => '');
 124                         else {
 125                                 if(isset($this->prop['groups']) && isset($data[$u]['groups']))
 126                                         $this->getResult()->setIndexedTagName($data[$u]['groups'], 'g');
 127                                 $retval[] = $data[$u];
 128                         }
 129                         $done[] = $u;
 130                 }
 131                 return $this->getResult()->setIndexedTagName_internal(array('query', $this->getModuleName()), 'user');
 132         }
 133
 134         public function getAllowedParams() {
 135                 return array (
 136                         'prop' => array (
 137                                 ApiBase :: PARAM_DFLT => NULL,
 138                                 ApiBase :: PARAM_ISMULTI => true,
 139                                 ApiBase :: PARAM_TYPE => array (
 140                                         'blockinfo',
 141                                         'groups',
 142                                         'editcount',
 143                                         'registration',
 144                                         'emailable',
 145                                 )
 146                         ),
 147                         'users' => array(
 148                                 ApiBase :: PARAM_ISMULTI => true
 149                         )
 150                 );
 151         }
 152
 153         public function getParamDescription() {
 154                 return array (
 155                         'prop' => array(
 156                                 'What pieces of information to include',
 157                                 '  blockinfo    - tags if the user is blocked, by whom, and for what reason',
 158                                 '  groups       - lists all the groups the user belongs to',
 159                                 '  editcount    - adds the user\'s edit count',
 160                                 '  registration - adds the user\'s registration timestamp',
 161                                 '  emailable    - tags if the user can and wants to receive e-mail through [[Special:Emailuser]]',
 162                         ),
 163                         'users' => 'A list of users to obtain the same information for'
 164                 );
 165         }
 166
 167         public function getDescription() {
 168                 return 'Get information about a list of users';
 169         }
 170
 171         protected function getExamples() {
 172                 return 'api.php?action=query&list=users&ususers=brion|TimStarling&usprop=groups|editcount';
 173         }
 174
 175         public function getVersion() {
 176                 return __CLASS__ . ': $Id$';
 177         }
 178 }