stylize.php on API code
[lhc/web/wiklou.git] / includes / api / ApiQueryLogEvents.php
index 1d3ba3b..86d48e6 100644 (file)
  * 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' );
 }
 
 /**
  * Query action to List the log events, with optional filtering by various parameters.
  *
- * @addtogroup API
+ * @ingroup API
  */
 class ApiQueryLogEvents extends ApiQueryBase {
 
-       public function __construct($query, $moduleName) {
-               parent :: __construct($query, $moduleName, 'le');
+       public function __construct( $query, $moduleName ) {
+               parent :: __construct( $query, $moduleName, 'le' );
        }
 
        public function execute() {
@@ -44,163 +44,232 @@ class ApiQueryLogEvents extends ApiQueryBase {
                $db = $this->getDB();
 
                $prop = $params['prop'];
-               $this->fld_ids = in_array('ids', $prop);
-               $this->fld_title = in_array('title', $prop);
-               $this->fld_type = in_array('type', $prop);
-               $this->fld_user = in_array('user', $prop);
-               $this->fld_timestamp = in_array('timestamp', $prop);
-               $this->fld_comment = in_array('comment', $prop);
-               $this->fld_details = in_array('details', $prop);
+               $this->fld_ids = in_array( 'ids', $prop );
+               $this->fld_title = in_array( 'title', $prop );
+               $this->fld_type = in_array( 'type', $prop );
+               $this->fld_user = in_array( 'user', $prop );
+               $this->fld_timestamp = in_array( 'timestamp', $prop );
+               $this->fld_comment = in_array( 'comment', $prop );
+               $this->fld_details = in_array( 'details', $prop );
+               $this->fld_tags = in_array( 'tags', $prop );
 
-               list($tbl_logging, $tbl_page, $tbl_user) = $db->tableNamesN('logging', 'page', 'user');
+               list( $tbl_logging, $tbl_page, $tbl_user ) = $db->tableNamesN( 'logging', 'page', 'user' );
 
-               $hideLogs = LogEventsList::getExcludeClause($db);
-               if($hideLogs !== false)
-                       $this->addWhere($hideLogs);
+               $hideLogs = LogEventsList::getExcludeClause( $db );
+               if ( $hideLogs !== false )
+                       $this->addWhere( $hideLogs );
 
                // Order is significant here
-               $this->addTables(array('user', 'page', 'logging'));
-               $this->addJoinConds(array(
-                       'page' => array('LEFT JOIN',
+               $this->addTables( array( 'logging', 'user', 'page' ) );
+               $this->addOption( 'STRAIGHT_JOIN' );
+               $this->addJoinConds( array(
+                       'user' => array( 'JOIN',
+                               'user_id=log_user' ),
+                       'page' => array( 'LEFT JOIN',
                                array(  'log_namespace=page_namespace',
-                                       'log_title=page_title'))));
-               $this->addWhere('user_id=log_user');
-               $this->addOption('USE INDEX', array('logging' => 'times'));
+                                       'log_title=page_title' ) ) ) );
+               $index = 'times'; // default, may change
 
-               $this->addFields(array (
+               $this->addFields( array (
                        'log_type',
                        'log_action',
                        'log_timestamp',
-               ));
-
-               // FIXME: Fake out log_id for now until the column is live on Wikimedia
-               // $this->addFieldsIf('log_id', $this->fld_ids);
-               $this->addFieldsIf('page_id', $this->fld_ids);
-               $this->addFieldsIf('log_user', $this->fld_user);
-               $this->addFieldsIf('user_name', $this->fld_user);
-               $this->addFieldsIf('log_namespace', $this->fld_title);
-               $this->addFieldsIf('log_title', $this->fld_title);
-               $this->addFieldsIf('log_comment', $this->fld_comment);
-               $this->addFieldsIf('log_params', $this->fld_details);
-
-               $this->addWhereFld('log_deleted', 0);
-               $this->addWhereFld('log_type', $params['type']);
-               $this->addWhereRange('log_timestamp', $params['dir'], $params['start'], $params['end']);
+                       'log_deleted',
+               ) );
+
+               $this->addFieldsIf( 'log_id', $this->fld_ids );
+               $this->addFieldsIf( 'page_id', $this->fld_ids );
+               $this->addFieldsIf( 'log_user', $this->fld_user );
+               $this->addFieldsIf( 'user_name', $this->fld_user );
+               $this->addFieldsIf( 'log_namespace', $this->fld_title );
+               $this->addFieldsIf( 'log_title', $this->fld_title );
+               $this->addFieldsIf( 'log_comment', $this->fld_comment );
+               $this->addFieldsIf( 'log_params', $this->fld_details );
+               
+               if ( $this->fld_tags ) {
+                       $this->addTables( 'tag_summary' );
+                       $this->addJoinConds( array( 'tag_summary' => array( 'LEFT JOIN', 'log_id=ts_log_id' ) ) );
+                       $this->addFields( 'ts_tags' );
+               }
+               
+               if ( !is_null( $params['tag'] ) ) {
+                       $this->addTables( 'change_tag' );
+                       $this->addJoinConds( array( 'change_tag' => array( 'INNER JOIN', array( 'log_id=ct_log_id' ) ) ) );
+                       $this->addWhereFld( 'ct_tag', $params['tag'] );
+               }
+               
+               if ( !is_null( $params['type'] ) ) {
+                       $this->addWhereFld( 'log_type', $params['type'] );
+                       $index = 'type_time';
+               }
+               
+               $this->addWhereRange( 'log_timestamp', $params['dir'], $params['start'], $params['end'] );
 
                $limit = $params['limit'];
-               $this->addOption('LIMIT', $limit +1);
+               $this->addOption( 'LIMIT', $limit + 1 );
 
                $user = $params['user'];
-               if (!is_null($user)) {
-                       $userid = $db->selectField('user', 'user_id', array (
-                               'user_name' => $user
-                       ));
-                       if (!$userid)
-                               $this->dieUsage("User name $user not found", 'param_user');
-                       $this->addWhereFld('log_user', $userid);
+               if ( !is_null( $user ) ) {
+                       $userid = User::idFromName( $user );
+                       if ( !$userid )
+                               $this->dieUsage( "User name $user not found", 'param_user' );
+                       $this->addWhereFld( 'log_user', $userid );
+                       $index = 'user_time';
                }
 
                $title = $params['title'];
-               if (!is_null($title)) {
-                       $titleObj = Title :: newFromText($title);
-                       if (is_null($titleObj))
-                               $this->dieUsage("Bad title value '$title'", 'param_title');
-                       $this->addWhereFld('log_namespace', $titleObj->getNamespace());
-                       $this->addWhereFld('log_title', $titleObj->getDBkey());
+               if ( !is_null( $title ) ) {
+                       $titleObj = Title :: newFromText( $title );
+                       if ( is_null( $titleObj ) )
+                               $this->dieUsage( "Bad title value '$title'", 'param_title' );
+                       $this->addWhereFld( 'log_namespace', $titleObj->getNamespace() );
+                       $this->addWhereFld( 'log_title', $titleObj->getDBkey() );
+
+                       // Use the title index in preference to the user index if there is a conflict
+                       $index = is_null( $user ) ? 'page_time' : array( 'page_time', 'user_time' );
+               }
+
+               $this->addOption( 'USE INDEX', array( 'logging' => $index ) );
+
+               // Paranoia: avoid brute force searches (bug 17342)
+               if ( !is_null( $title ) ) {
+                       $this->addWhere( $db->bitAnd( 'log_deleted', LogPage::DELETED_ACTION ) . ' = 0' );
+               }
+               if ( !is_null( $user ) ) {
+                       $this->addWhere( $db->bitAnd( 'log_deleted', LogPage::DELETED_USER ) . ' = 0' );
                }
 
-               $data = array ();
                $count = 0;
-               $res = $this->select(__METHOD__);
-               while ($row = $db->fetchObject($res)) {
-                       if (++ $count > $limit) {
+               $res = $this->select( __METHOD__ );
+               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->log_timestamp));
+                               $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->log_timestamp ) );
                                break;
                        }
 
-                       $vals = $this->extractRowInfo($row);
-                       if($vals)
-                               $data[] = $vals;
+                       $vals = $this->extractRowInfo( $row );
+                       if ( !$vals )
+                               continue;
+                       $fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ), null, $vals );
+                       if ( !$fit )
+                       {
+                               $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->log_timestamp ) );
+                               break;
+                       }
                }
-               $db->freeResult($res);
+               $db->freeResult( $res );
 
-               $this->getResult()->setIndexedTagName($data, 'item');
-               $this->getResult()->addValue('query', $this->getModuleName(), $data);
+               $this->getResult()->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'item' );
+       }
+       
+       public static function addLogParams( $result, &$vals, $params, $type, $ts ) {
+               $params = explode( "\n", $params );
+               switch ( $type ) {
+                       case 'move':
+                               if ( isset ( $params[0] ) ) {
+                                       $title = Title :: newFromText( $params[0] );
+                                       if ( $title ) {
+                                               $vals2 = array();
+                                               ApiQueryBase :: addTitleInfo( $vals2, $title, "new_" );
+                                               $vals[$type] = $vals2;
+                                       }
+                               }
+                               if ( isset ( $params[1] ) && $params[1] ) {
+                                       $vals[$type]['suppressedredirect'] = '';
+                               }
+                               $params = null;
+                               break;
+                       case 'patrol':
+                               $vals2 = array();
+                               list( $vals2['cur'], $vals2['prev'], $vals2['auto'] ) = $params;
+                               $vals[$type] = $vals2;
+                               $params = null;
+                               break;
+                       case 'rights':
+                               $vals2 = array();
+                               list( $vals2['old'], $vals2['new'] ) = $params;
+                               $vals[$type] = $vals2;
+                               $params = null;
+                               break;
+                       case 'block':
+                               $vals2 = array();
+                               list( $vals2['duration'], $vals2['flags'] ) = $params;
+                               $vals2['expiry'] = wfTimestamp( TS_ISO_8601,
+                                               strtotime( $params[0], wfTimestamp( TS_UNIX, $ts ) ) );
+                               $vals[$type] = $vals2;
+                               $params = null;
+                               break;
+               }
+               if ( !is_null( $params ) ) {
+                       $result->setIndexedTagName( $params, 'param' );
+                       $vals = array_merge( $vals, $params );
+               }
+               return $vals;
        }
 
-       private function extractRowInfo($row) {
+       private function extractRowInfo( $row ) {
                $vals = array();
 
-               if ($this->fld_ids) {
-                       // FIXME: Fake out log_id for now until the column is live on Wikimedia
-                       // $vals['logid'] = intval($row->log_id);
-                       $vals['logid'] = 0;
-                       $vals['pageid'] = intval($row->page_id);
+               if ( $this->fld_ids ) {
+                       $vals['logid'] = intval( $row->log_id );
+                       $vals['pageid'] = intval( $row->page_id );
                }
 
-               if ($this->fld_title) {
-                       $title = Title :: makeTitle($row->log_namespace, $row->log_title);
-                       ApiQueryBase :: addTitleInfo($vals, $title);
+               if ( $this->fld_title ) {
+                       if ( LogEventsList::isDeleted( $row, LogPage::DELETED_ACTION ) ) {
+                               $vals['actionhidden'] = '';
+                       } else {
+                               $title = Title :: makeTitle( $row->log_namespace, $row->log_title );
+                               ApiQueryBase :: addTitleInfo( $vals, $title );
+                       }
                }
 
-               if ($this->fld_type) {
+               if ( $this->fld_type ) {
                        $vals['type'] = $row->log_type;
                        $vals['action'] = $row->log_action;
                }
 
-               if ($this->fld_details && $row->log_params !== '') {
-                       $params = explode("\n", $row->log_params);
-                       switch ($row->log_type) {
-                               case 'move':
-                                       if (isset ($params[0])) {
-                                               $title = Title :: newFromText($params[0]);
-                                               if ($title) {
-                                                       $vals2 = array();
-                                                       ApiQueryBase :: addTitleInfo($vals2, $title, "new_");
-                                                       $vals[$row->log_type] = $vals2;
-                                                       $params = null;
-                                               }
-                                       }
-                                       break;
-                               case 'patrol':
-                                       $vals2 = array();
-                                       list( $vals2['cur'], $vals2['prev'], $vals2['auto'] ) = $params;
-                                       $vals[$row->log_type] = $vals2;
-                                       $params = null;
-                                       break;
-                               case 'rights':
-                                       $vals2 = array();
-                                       list( $vals2['old'], $vals2['new'] ) = $params;
-                                       $vals[$row->log_type] = $vals2;
-                                       $params = null;
-                                       break;
-                               case 'block':
-                                       $vals2 = array();
-                                       list( $vals2['duration'], $vals2['flags'] ) = $params;
-                                       $vals[$row->log_type] = $vals2;
-                                       $params = null;
-                                       break;
-                       }
-
-                       if (isset($params)) {
-                               $this->getResult()->setIndexedTagName($params, 'param');
-                               $vals = array_merge($vals, $params);
+               if ( $this->fld_details && $row->log_params !== '' ) {
+                       if ( LogEventsList::isDeleted( $row, LogPage::DELETED_ACTION ) ) {
+                               $vals['actionhidden'] = '';
+                       } else {
+                               self::addLogParams( $this->getResult(), $vals,
+                                       $row->log_params, $row->log_type,
+                                       $row->log_timestamp );
                        }
                }
 
-               if ($this->fld_user) {
-                       $vals['user'] = $row->user_name;
-                       if(!$row->log_user)
-                               $vals['anon'] = '';
+               if ( $this->fld_user ) {
+                       if ( LogEventsList::isDeleted( $row, LogPage::DELETED_USER ) ) {
+                               $vals['userhidden'] = '';
+                       } else {
+                               $vals['user'] = $row->user_name;
+                               if ( !$row->log_user )
+                                       $vals['anon'] = '';
+                       }
                }
-               if ($this->fld_timestamp) {
-                       $vals['timestamp'] = wfTimestamp(TS_ISO_8601, $row->log_timestamp);
+               if ( $this->fld_timestamp ) {
+                       $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->log_timestamp );
                }
-               if ($this->fld_comment && !empty ($row->log_comment)) {
-                       $vals['comment'] = $row->log_comment;
+               if ( $this->fld_comment && isset( $row->log_comment ) ) {
+                       if ( LogEventsList::isDeleted( $row, LogPage::DELETED_COMMENT ) ) {
+                               $vals['commenthidden'] = '';
+                       } else {
+                               $vals['comment'] = $row->log_comment;
+                       }
                }
 
+               if ( $this->fld_tags ) {
+                       if ( $row->ts_tags ) {
+                               $tags = explode( ',', $row->ts_tags );
+                               $this->getResult()->setIndexedTagName( $tags, 'tag' );
+                               $vals['tags'] = $tags;
+                       } else {
+                               $vals['tags'] = array();
+                       }
+               }
+               
                return $vals;
        }
 
@@ -219,6 +288,7 @@ class ApiQueryLogEvents extends ApiQueryBase {
                                        'timestamp',
                                        'comment',
                                        'details',
+                                       'tags'
                                )
                        ),
                        'type' => array (
@@ -239,6 +309,7 @@ class ApiQueryLogEvents extends ApiQueryBase {
                        ),
                        'user' => null,
                        'title' => null,
+                       'tag' => null,
                        'limit' => array (
                                ApiBase :: PARAM_DFLT => 10,
                                ApiBase :: PARAM_TYPE => 'limit',
@@ -258,7 +329,8 @@ class ApiQueryLogEvents extends ApiQueryBase {
                        'dir' => 'In which direction to enumerate.',
                        'user' => 'Filter entries to those made by the given user.',
                        'title' => 'Filter entries to those related to a page.',
-                       'limit' => 'How many total event entries to return.'
+                       'limit' => 'How many total event entries to return.',
+                       'tag' => 'Only list event entries tagged with this tag.',
                );
        }