MediaWiki  REL1_19
ApiQueryRecentChanges.php
Go to the documentation of this file.
00001 <?php
00033 class ApiQueryRecentChanges extends ApiQueryGeneratorBase {
00034 
00035         public function __construct( $query, $moduleName ) {
00036                 parent::__construct( $query, $moduleName, 'rc' );
00037         }
00038 
00039         private $fld_comment = false, $fld_parsedcomment = false, $fld_user = false, $fld_userid = false,
00040                         $fld_flags = false, $fld_timestamp = false, $fld_title = false, $fld_ids = false,
00041                         $fld_sizes = false, $fld_redirect = false, $fld_patrolled = false, $fld_loginfo = false,
00042                         $fld_tags = false, $token = array();
00043 
00044         private $tokenFunctions;
00045 
00052         protected function getTokenFunctions() {
00053                 // Don't call the hooks twice
00054                 if ( isset( $this->tokenFunctions ) ) {
00055                         return $this->tokenFunctions;
00056                 }
00057 
00058                 // If we're in JSON callback mode, no tokens can be obtained
00059                 if ( !is_null( $this->getMain()->getRequest()->getVal( 'callback' ) ) ) {
00060                         return array();
00061                 }
00062 
00063                 $this->tokenFunctions = array(
00064                         'patrol' => array( 'ApiQueryRecentChanges', 'getPatrolToken' )
00065                 );
00066                 wfRunHooks( 'APIQueryRecentChangesTokens', array( &$this->tokenFunctions ) );
00067                 return $this->tokenFunctions;
00068         }
00069 
00076         public static function getPatrolToken( $pageid, $title, $rc ) {
00077                 global $wgUser;
00078                 if ( !$wgUser->useRCPatrol() && ( !$wgUser->useNPPatrol() ||
00079                                 $rc->getAttribute( 'rc_type' ) != RC_NEW ) )
00080                 {
00081                         return false;
00082                 }
00083 
00084                 // The patrol token is always the same, let's exploit that
00085                 static $cachedPatrolToken = null;
00086                 if ( is_null( $cachedPatrolToken ) ) {
00087                         $cachedPatrolToken = $wgUser->getEditToken( 'patrol' );
00088                 }
00089 
00090                 return $cachedPatrolToken;
00091         }
00092 
00097         public function initProperties( $prop ) {
00098                 $this->fld_comment = isset( $prop['comment'] );
00099                 $this->fld_parsedcomment = isset( $prop['parsedcomment'] );
00100                 $this->fld_user = isset( $prop['user'] );
00101                 $this->fld_userid = isset( $prop['userid'] );
00102                 $this->fld_flags = isset( $prop['flags'] );
00103                 $this->fld_timestamp = isset( $prop['timestamp'] );
00104                 $this->fld_title = isset( $prop['title'] );
00105                 $this->fld_ids = isset( $prop['ids'] );
00106                 $this->fld_sizes = isset( $prop['sizes'] );
00107                 $this->fld_redirect = isset( $prop['redirect'] );
00108                 $this->fld_patrolled = isset( $prop['patrolled'] );
00109                 $this->fld_loginfo = isset( $prop['loginfo'] );
00110                 $this->fld_tags = isset( $prop['tags'] );
00111         }
00112 
00113         public function execute() {
00114                 $this->run();
00115         }
00116 
00117         public function executeGenerator( $resultPageSet ) {
00118                 $this->run( $resultPageSet );
00119         }
00120 
00126         public function run( $resultPageSet = null ) {
00127                 $user = $this->getUser();
00128                 /* Get the parameters of the request. */
00129                 $params = $this->extractRequestParams();
00130 
00131                 /* Build our basic query. Namely, something along the lines of:
00132                  * SELECT * FROM recentchanges WHERE rc_timestamp > $start
00133                  *              AND rc_timestamp < $end AND rc_namespace = $namespace
00134                  *              AND rc_deleted = '0'
00135                  */
00136                 $this->addTables( 'recentchanges' );
00137                 $index = array( 'recentchanges' => 'rc_timestamp' ); // May change
00138                 $this->addTimestampWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );
00139                 $this->addWhereFld( 'rc_namespace', $params['namespace'] );
00140                 $this->addWhereFld( 'rc_deleted', 0 );
00141 
00142                 if ( !is_null( $params['type'] ) ) {
00143                         $this->addWhereFld( 'rc_type', $this->parseRCType( $params['type'] ) );
00144                 }
00145 
00146                 if ( !is_null( $params['show'] ) ) {
00147                         $show = array_flip( $params['show'] );
00148 
00149                         /* Check for conflicting parameters. */
00150                         if ( ( isset( $show['minor'] ) && isset( $show['!minor'] ) )
00151                                         || ( isset( $show['bot'] ) && isset( $show['!bot'] ) )
00152                                         || ( isset( $show['anon'] ) && isset( $show['!anon'] ) )
00153                                         || ( isset( $show['redirect'] ) && isset( $show['!redirect'] ) )
00154                                         || ( isset( $show['patrolled'] ) && isset( $show['!patrolled'] ) )
00155                         ) {
00156                                 $this->dieUsageMsg( 'show' );
00157                         }
00158 
00159                         // Check permissions
00160                         if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) {
00161                                 if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
00162                                         $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
00163                                 }
00164                         }
00165 
00166                         /* Add additional conditions to query depending upon parameters. */
00167                         $this->addWhereIf( 'rc_minor = 0', isset( $show['!minor'] ) );
00168                         $this->addWhereIf( 'rc_minor != 0', isset( $show['minor'] ) );
00169                         $this->addWhereIf( 'rc_bot = 0', isset( $show['!bot'] ) );
00170                         $this->addWhereIf( 'rc_bot != 0', isset( $show['bot'] ) );
00171                         $this->addWhereIf( 'rc_user = 0', isset( $show['anon'] ) );
00172                         $this->addWhereIf( 'rc_user != 0', isset( $show['!anon'] ) );
00173                         $this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
00174                         $this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
00175                         $this->addWhereIf( 'page_is_redirect = 1', isset( $show['redirect'] ) );
00176 
00177                         // Don't throw log entries out the window here
00178                         $this->addWhereIf( 'page_is_redirect = 0 OR page_is_redirect IS NULL', isset( $show['!redirect'] ) );
00179                 }
00180 
00181                 if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) ) {
00182                         $this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
00183                 }
00184 
00185                 if ( !is_null( $params['user'] ) ) {
00186                         $this->addWhereFld( 'rc_user_text', $params['user'] );
00187                         $index['recentchanges'] = 'rc_user_text';
00188                 }
00189 
00190                 if ( !is_null( $params['excludeuser'] ) ) {
00191                         // We don't use the rc_user_text index here because
00192                         // * it would require us to sort by rc_user_text before rc_timestamp
00193                         // * the != condition doesn't throw out too many rows anyway
00194                         $this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
00195                 }
00196 
00197                 /* Add the fields we're concerned with to our query. */
00198                 $this->addFields( array(
00199                         'rc_timestamp',
00200                         'rc_namespace',
00201                         'rc_title',
00202                         'rc_cur_id',
00203                         'rc_type',
00204                         'rc_moved_to_ns',
00205                         'rc_moved_to_title',
00206                         'rc_deleted'
00207                 ) );
00208 
00209                 $showRedirects = false;
00210                 /* Determine what properties we need to display. */
00211                 if ( !is_null( $params['prop'] ) ) {
00212                         $prop = array_flip( $params['prop'] );
00213 
00214                         /* Set up internal members based upon params. */
00215                         $this->initProperties( $prop );
00216 
00217                         if ( $this->fld_patrolled && !$user->useRCPatrol() && !$user->useNPPatrol() ) {
00218                                 $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
00219                         }
00220 
00221                         /* Add fields to our query if they are specified as a needed parameter. */
00222                         $this->addFieldsIf( array( 'rc_id', 'rc_this_oldid', 'rc_last_oldid' ), $this->fld_ids );
00223                         $this->addFieldsIf( 'rc_comment', $this->fld_comment || $this->fld_parsedcomment );
00224                         $this->addFieldsIf( 'rc_user', $this->fld_user );
00225                         $this->addFieldsIf( 'rc_user_text', $this->fld_user || $this->fld_userid );
00226                         $this->addFieldsIf( array( 'rc_minor', 'rc_new', 'rc_bot' ) , $this->fld_flags );
00227                         $this->addFieldsIf( array( 'rc_old_len', 'rc_new_len' ), $this->fld_sizes );
00228                         $this->addFieldsIf( 'rc_patrolled', $this->fld_patrolled );
00229                         $this->addFieldsIf( array( 'rc_logid', 'rc_log_type', 'rc_log_action', 'rc_params' ), $this->fld_loginfo );
00230                         $showRedirects = $this->fld_redirect || isset( $show['redirect'] ) || isset( $show['!redirect'] );
00231                 }
00232 
00233                 if ( $this->fld_tags ) {
00234                         $this->addTables( 'tag_summary' );
00235                         $this->addJoinConds( array( 'tag_summary' => array( 'LEFT JOIN', array( 'rc_id=ts_rc_id' ) ) ) );
00236                         $this->addFields( 'ts_tags' );
00237                 }
00238 
00239                 if ( $params['toponly'] || $showRedirects ) {
00240                         $this->addTables( 'page' );
00241                         $this->addJoinConds( array( 'page' => array( 'LEFT JOIN', array( 'rc_namespace=page_namespace', 'rc_title=page_title' ) ) ) );
00242                         $this->addFields( 'page_is_redirect' );
00243 
00244                         if ( $params['toponly'] ) {
00245                                 $this->addWhere( 'rc_this_oldid = page_latest' );
00246                         }
00247                 }
00248 
00249                 if ( !is_null( $params['tag'] ) ) {
00250                         $this->addTables( 'change_tag' );
00251                         $this->addJoinConds( array( 'change_tag' => array( 'INNER JOIN', array( 'rc_id=ct_rc_id' ) ) ) );
00252                         $this->addWhereFld( 'ct_tag' , $params['tag'] );
00253                         global $wgOldChangeTagsIndex;
00254                         $index['change_tag'] = $wgOldChangeTagsIndex ? 'ct_tag' : 'change_tag_tag_id';
00255                 }
00256 
00257                 $this->token = $params['token'];
00258                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
00259                 $this->addOption( 'USE INDEX', $index );
00260 
00261                 $count = 0;
00262                 /* Perform the actual query. */
00263                 $res = $this->select( __METHOD__ );
00264 
00265                 $titles = array();
00266 
00267                 $result = $this->getResult();
00268 
00269                 /* Iterate through the rows, adding data extracted from them to our query result. */
00270                 foreach ( $res as $row ) {
00271                         if ( ++ $count > $params['limit'] ) {
00272                                 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
00273                                 $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
00274                                 break;
00275                         }
00276 
00277                         if ( is_null( $resultPageSet ) ) {
00278                                 /* Extract the data from a single row. */
00279                                 $vals = $this->extractRowInfo( $row );
00280 
00281                                 /* Add that row's data to our final output. */
00282                                 if ( !$vals ) {
00283                                         continue;
00284                                 }
00285                                 $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $vals );
00286                                 if ( !$fit ) {
00287                                         $this->setContinueEnumParameter( 'start', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) );
00288                                         break;
00289                                 }
00290                         } else {
00291                                 $titles[] = Title::makeTitle( $row->rc_namespace, $row->rc_title );
00292                         }
00293                 }
00294 
00295                 if ( is_null( $resultPageSet ) ) {
00296                         /* Format the result */
00297                         $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'rc' );
00298                 } else {
00299                         $resultPageSet->populateFromTitles( $titles );
00300                 }
00301         }
00302 
00310         public function extractRowInfo( $row ) {
00311                 /* If page was moved somewhere, get the title of the move target. */
00312                 $movedToTitle = false;
00313                 if ( isset( $row->rc_moved_to_title ) && $row->rc_moved_to_title !== '' ) {
00314                         $movedToTitle = Title::makeTitle( $row->rc_moved_to_ns, $row->rc_moved_to_title );
00315                 }
00316 
00317                 /* Determine the title of the page that has been changed. */
00318                 $title = Title::makeTitle( $row->rc_namespace, $row->rc_title );
00319 
00320                 /* Our output data. */
00321                 $vals = array();
00322 
00323                 $type = intval( $row->rc_type );
00324 
00325                 /* Determine what kind of change this was. */
00326                 switch ( $type ) {
00327                         case RC_EDIT:
00328                                 $vals['type'] = 'edit';
00329                                 break;
00330                         case RC_NEW:
00331                                 $vals['type'] = 'new';
00332                                 break;
00333                         case RC_MOVE:
00334                                 $vals['type'] = 'move';
00335                                 break;
00336                         case RC_LOG:
00337                                 $vals['type'] = 'log';
00338                                 break;
00339                         case RC_MOVE_OVER_REDIRECT:
00340                                 $vals['type'] = 'move over redirect';
00341                                 break;
00342                         default:
00343                                 $vals['type'] = $type;
00344                 }
00345 
00346                 /* Create a new entry in the result for the title. */
00347                 if ( $this->fld_title ) {
00348                         ApiQueryBase::addTitleInfo( $vals, $title );
00349                         if ( $movedToTitle ) {
00350                                 ApiQueryBase::addTitleInfo( $vals, $movedToTitle, 'new_' );
00351                         }
00352                 }
00353 
00354                 /* Add ids, such as rcid, pageid, revid, and oldid to the change's info. */
00355                 if ( $this->fld_ids ) {
00356                         $vals['rcid'] = intval( $row->rc_id );
00357                         $vals['pageid'] = intval( $row->rc_cur_id );
00358                         $vals['revid'] = intval( $row->rc_this_oldid );
00359                         $vals['old_revid'] = intval( $row->rc_last_oldid );
00360                 }
00361 
00362                 /* Add user data and 'anon' flag, if use is anonymous. */
00363                 if ( $this->fld_user || $this->fld_userid ) {
00364 
00365                         if ( $this->fld_user ) {
00366                                 $vals['user'] = $row->rc_user_text;
00367                         }
00368 
00369                         if ( $this->fld_userid ) {
00370                                 $vals['userid'] = $row->rc_user;
00371                         }
00372 
00373                         if ( !$row->rc_user ) {
00374                                 $vals['anon'] = '';
00375                         }
00376                 }
00377 
00378                 /* Add flags, such as new, minor, bot. */
00379                 if ( $this->fld_flags ) {
00380                         if ( $row->rc_bot ) {
00381                                 $vals['bot'] = '';
00382                         }
00383                         if ( $row->rc_new ) {
00384                                 $vals['new'] = '';
00385                         }
00386                         if ( $row->rc_minor ) {
00387                                 $vals['minor'] = '';
00388                         }
00389                 }
00390 
00391                 /* Add sizes of each revision. (Only available on 1.10+) */
00392                 if ( $this->fld_sizes ) {
00393                         $vals['oldlen'] = intval( $row->rc_old_len );
00394                         $vals['newlen'] = intval( $row->rc_new_len );
00395                 }
00396 
00397                 /* Add the timestamp. */
00398                 if ( $this->fld_timestamp ) {
00399                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rc_timestamp );
00400                 }
00401 
00402                 /* Add edit summary / log summary. */
00403                 if ( $this->fld_comment && isset( $row->rc_comment ) ) {
00404                         $vals['comment'] = $row->rc_comment;
00405                 }
00406 
00407                 if ( $this->fld_parsedcomment && isset( $row->rc_comment ) ) {
00408                         $vals['parsedcomment'] = Linker::formatComment( $row->rc_comment, $title );
00409                 }
00410 
00411                 if ( $this->fld_redirect ) {
00412                         if ( $row->page_is_redirect ) {
00413                                 $vals['redirect'] = '';
00414                         }
00415                 }
00416 
00417                 /* Add the patrolled flag */
00418                 if ( $this->fld_patrolled && $row->rc_patrolled == 1 ) {
00419                         $vals['patrolled'] = '';
00420                 }
00421 
00422                 if ( $this->fld_loginfo && $row->rc_type == RC_LOG ) {
00423                         $vals['logid'] = intval( $row->rc_logid );
00424                         $vals['logtype'] = $row->rc_log_type;
00425                         $vals['logaction'] = $row->rc_log_action;
00426                         ApiQueryLogEvents::addLogParams(
00427                                 $this->getResult(),
00428                                 $vals,
00429                                 $row->rc_params,
00430                                 $row->rc_log_action,
00431                                 $row->rc_log_type,
00432                                 $row->rc_timestamp
00433                         );
00434                 }
00435 
00436                 if ( $this->fld_tags ) {
00437                         if ( $row->ts_tags ) {
00438                                 $tags = explode( ',', $row->ts_tags );
00439                                 $this->getResult()->setIndexedTagName( $tags, 'tag' );
00440                                 $vals['tags'] = $tags;
00441                         } else {
00442                                 $vals['tags'] = array();
00443                         }
00444                 }
00445 
00446                 if ( !is_null( $this->token ) ) {
00447                         $tokenFunctions = $this->getTokenFunctions();
00448                         foreach ( $this->token as $t ) {
00449                                 $val = call_user_func( $tokenFunctions[$t], $row->rc_cur_id,
00450                                         $title, RecentChange::newFromRow( $row ) );
00451                                 if ( $val === false ) {
00452                                         $this->setWarning( "Action '$t' is not allowed for the current user" );
00453                                 } else {
00454                                         $vals[$t . 'token'] = $val;
00455                                 }
00456                         }
00457                 }
00458 
00459                 return $vals;
00460         }
00461 
00462         private function parseRCType( $type ) {
00463                 if ( is_array( $type ) ) {
00464                         $retval = array();
00465                         foreach ( $type as $t ) {
00466                                 $retval[] = $this->parseRCType( $t );
00467                         }
00468                         return $retval;
00469                 }
00470                 switch( $type ) {
00471                         case 'edit':
00472                                 return RC_EDIT;
00473                         case 'new':
00474                                 return RC_NEW;
00475                         case 'log':
00476                                 return RC_LOG;
00477                 }
00478         }
00479 
00480         public function getCacheMode( $params ) {
00481                 if ( isset( $params['show'] ) ) {
00482                         foreach ( $params['show'] as $show ) {
00483                                 if ( $show === 'patrolled' || $show === '!patrolled' ) {
00484                                         return 'private';
00485                                 }
00486                         }
00487                 }
00488                 if ( isset( $params['token'] ) ) {
00489                         return 'private';
00490                 }
00491                 if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
00492                         // formatComment() calls wfMsg() among other things
00493                         return 'anon-public-user-private';
00494                 }
00495                 return 'public';
00496         }
00497 
00498         public function getAllowedParams() {
00499                 return array(
00500                         'start' => array(
00501                                 ApiBase::PARAM_TYPE => 'timestamp'
00502                         ),
00503                         'end' => array(
00504                                 ApiBase::PARAM_TYPE => 'timestamp'
00505                         ),
00506                         'dir' => array(
00507                                 ApiBase::PARAM_DFLT => 'older',
00508                                 ApiBase::PARAM_TYPE => array(
00509                                         'newer',
00510                                         'older'
00511                                 )
00512                         ),
00513                         'namespace' => array(
00514                                 ApiBase::PARAM_ISMULTI => true,
00515                                 ApiBase::PARAM_TYPE => 'namespace'
00516                         ),
00517                         'user' => array(
00518                                 ApiBase::PARAM_TYPE => 'user'
00519                         ),
00520                         'excludeuser' => array(
00521                                 ApiBase::PARAM_TYPE => 'user'
00522                         ),
00523                         'tag' => null,
00524                         'prop' => array(
00525                                 ApiBase::PARAM_ISMULTI => true,
00526                                 ApiBase::PARAM_DFLT => 'title|timestamp|ids',
00527                                 ApiBase::PARAM_TYPE => array(
00528                                         'user',
00529                                         'userid',
00530                                         'comment',
00531                                         'parsedcomment',
00532                                         'flags',
00533                                         'timestamp',
00534                                         'title',
00535                                         'ids',
00536                                         'sizes',
00537                                         'redirect',
00538                                         'patrolled',
00539                                         'loginfo',
00540                                         'tags'
00541                                 )
00542                         ),
00543                         'token' => array(
00544                                 ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() ),
00545                                 ApiBase::PARAM_ISMULTI => true
00546                         ),
00547                         'show' => array(
00548                                 ApiBase::PARAM_ISMULTI => true,
00549                                 ApiBase::PARAM_TYPE => array(
00550                                         'minor',
00551                                         '!minor',
00552                                         'bot',
00553                                         '!bot',
00554                                         'anon',
00555                                         '!anon',
00556                                         'redirect',
00557                                         '!redirect',
00558                                         'patrolled',
00559                                         '!patrolled'
00560                                 )
00561                         ),
00562                         'limit' => array(
00563                                 ApiBase::PARAM_DFLT => 10,
00564                                 ApiBase::PARAM_TYPE => 'limit',
00565                                 ApiBase::PARAM_MIN => 1,
00566                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
00567                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
00568                         ),
00569                         'type' => array(
00570                                 ApiBase::PARAM_ISMULTI => true,
00571                                 ApiBase::PARAM_TYPE => array(
00572                                         'edit',
00573                                         'new',
00574                                         'log'
00575                                 )
00576                         ),
00577                         'toponly' => false,
00578                 );
00579         }
00580 
00581         public function getParamDescription() {
00582                 $p = $this->getModulePrefix();
00583                 return array(
00584                         'start' => 'The timestamp to start enumerating from',
00585                         'end' => 'The timestamp to end enumerating',
00586                         'dir' => $this->getDirectionDescription( $p ),
00587                         'namespace' => 'Filter log entries to only this namespace(s)',
00588                         'user' => 'Only list changes by this user',
00589                         'excludeuser' => 'Don\'t list changes by this user',
00590                         'prop' => array(
00591                                 'Include additional pieces of information',
00592                                 ' user           - Adds the user responsible for the edit and tags if they are an IP',
00593                                 ' userid         - Adds the user id responsible for the edit',
00594                                 ' comment        - Adds the comment for the edit',
00595                                 ' parsedcomment  - Adds the parsed comment for the edit',
00596                                 ' flags          - Adds flags for the edit',
00597                                 ' timestamp      - Adds timestamp of the edit',
00598                                 ' title          - Adds the page title of the edit',
00599                                 ' ids            - Adds the page ID, recent changes ID and the new and old revision ID',
00600                                 ' sizes          - Adds the new and old page length in bytes',
00601                                 ' redirect       - Tags edit if page is a redirect',
00602                                 ' patrolled      - Tags edits that have been patrolled',
00603                                 ' loginfo        - Adds log information (logid, logtype, etc) to log entries',
00604                                 ' tags           - Lists tags for the entry',
00605                         ),
00606                         'token' => 'Which tokens to obtain for each change',
00607                         'show' => array(
00608                                 'Show only items that meet this criteria.',
00609                                 "For example, to see only minor edits done by logged-in users, set {$p}show=minor|!anon"
00610                         ),
00611                         'type' => 'Which types of changes to show',
00612                         'limit' => 'How many total changes to return',
00613                         'tag' => 'Only list changes tagged with this tag',
00614                         'toponly' => 'Only list changes which are the latest revision',
00615                 );
00616         }
00617 
00618         public function getDescription() {
00619                 return 'Enumerate recent changes';
00620         }
00621 
00622         public function getPossibleErrors() {
00623                 return array_merge( parent::getPossibleErrors(), array(
00624                         array( 'show' ),
00625                         array( 'code' => 'permissiondenied', 'info' => 'You need the patrol right to request the patrolled flag' ),
00626                         array( 'code' => 'user-excludeuser', 'info' => 'user and excludeuser cannot be used together' ),
00627                 ) );
00628         }
00629 
00630         public function getExamples() {
00631                 return array(
00632                         'api.php?action=query&list=recentchanges'
00633                 );
00634         }
00635 
00636         public function getHelpUrls() {
00637                 return 'https://www.mediawiki.org/wiki/API:Recentchanges';
00638         }
00639 
00640         public function getVersion() {
00641                 return __CLASS__ . ': $Id$';
00642         }
00643 }