MediaWiki  REL1_21
ApiQueryRecentChanges.php
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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 = null ) {
00077                 global $wgUser;
00078 
00079                 $validTokenUser = false;
00080 
00081                 if ( $rc ) {
00082                         if ( ( $wgUser->useRCPatrol() && $rc->getAttribute( 'rc_type' ) == RC_EDIT ) ||
00083                                 ( $wgUser->useNPPatrol() && $rc->getAttribute( 'rc_type' ) == RC_NEW ) )
00084                         {
00085                                 $validTokenUser = true;
00086                         }
00087                 } else {
00088                         if ( $wgUser->useRCPatrol() || $wgUser->useNPPatrol() ) {
00089                                 $validTokenUser = true;
00090                         }
00091                 }
00092 
00093                 if ( $validTokenUser ) {
00094                         // The patrol token is always the same, let's exploit that
00095                         static $cachedPatrolToken = null;
00096                         if ( is_null( $cachedPatrolToken ) ) {
00097                                 $cachedPatrolToken = $wgUser->getEditToken( 'patrol' );
00098                         }
00099                         return $cachedPatrolToken;
00100                 } else {
00101                         return false;
00102                 }
00103 
00104         }
00105 
00110         public function initProperties( $prop ) {
00111                 $this->fld_comment = isset( $prop['comment'] );
00112                 $this->fld_parsedcomment = isset( $prop['parsedcomment'] );
00113                 $this->fld_user = isset( $prop['user'] );
00114                 $this->fld_userid = isset( $prop['userid'] );
00115                 $this->fld_flags = isset( $prop['flags'] );
00116                 $this->fld_timestamp = isset( $prop['timestamp'] );
00117                 $this->fld_title = isset( $prop['title'] );
00118                 $this->fld_ids = isset( $prop['ids'] );
00119                 $this->fld_sizes = isset( $prop['sizes'] );
00120                 $this->fld_redirect = isset( $prop['redirect'] );
00121                 $this->fld_patrolled = isset( $prop['patrolled'] );
00122                 $this->fld_loginfo = isset( $prop['loginfo'] );
00123                 $this->fld_tags = isset( $prop['tags'] );
00124         }
00125 
00126         public function execute() {
00127                 $this->run();
00128         }
00129 
00130         public function executeGenerator( $resultPageSet ) {
00131                 $this->run( $resultPageSet );
00132         }
00133 
00139         public function run( $resultPageSet = null ) {
00140                 $user = $this->getUser();
00141                 /* Get the parameters of the request. */
00142                 $params = $this->extractRequestParams();
00143 
00144                 /* Build our basic query. Namely, something along the lines of:
00145                  * SELECT * FROM recentchanges WHERE rc_timestamp > $start
00146                  *              AND rc_timestamp < $end AND rc_namespace = $namespace
00147                  *              AND rc_deleted = 0
00148                  */
00149                 $this->addTables( 'recentchanges' );
00150                 $index = array( 'recentchanges' => 'rc_timestamp' ); // May change
00151                 $this->addTimestampWhereRange( 'rc_timestamp', $params['dir'], $params['start'], $params['end'] );
00152 
00153                 if ( !is_null( $params['continue'] ) ) {
00154                         $cont = explode( '|', $params['continue'] );
00155                         if ( count( $cont ) != 2 ) {
00156                                 $this->dieUsage( 'Invalid continue param. You should pass the ' .
00157                                                                 'original value returned by the previous query', '_badcontinue' );
00158                         }
00159 
00160                         $timestamp = $this->getDB()->addQuotes( wfTimestamp( TS_MW, $cont[0] ) );
00161                         $id = intval( $cont[1] );
00162                         $op = $params['dir'] === 'older' ? '<' : '>';
00163 
00164                         $this->addWhere(
00165                                 "rc_timestamp $op $timestamp OR " .
00166                                 "(rc_timestamp = $timestamp AND " .
00167                                 "rc_id $op= $id)"
00168                         );
00169                 }
00170 
00171                 $order = $params['dir'] === 'older' ? 'DESC' : 'ASC';
00172                 $this->addOption( 'ORDER BY', array(
00173                         "rc_timestamp $order",
00174                         "rc_id $order",
00175                 ) );
00176 
00177                 $this->addWhereFld( 'rc_namespace', $params['namespace'] );
00178                 $this->addWhereFld( 'rc_deleted', 0 );
00179 
00180                 if ( !is_null( $params['type'] ) ) {
00181                         $this->addWhereFld( 'rc_type', $this->parseRCType( $params['type'] ) );
00182                 }
00183 
00184                 if ( !is_null( $params['show'] ) ) {
00185                         $show = array_flip( $params['show'] );
00186 
00187                         /* Check for conflicting parameters. */
00188                         if ( ( isset( $show['minor'] ) && isset( $show['!minor'] ) )
00189                                         || ( isset( $show['bot'] ) && isset( $show['!bot'] ) )
00190                                         || ( isset( $show['anon'] ) && isset( $show['!anon'] ) )
00191                                         || ( isset( $show['redirect'] ) && isset( $show['!redirect'] ) )
00192                                         || ( isset( $show['patrolled'] ) && isset( $show['!patrolled'] ) )
00193                         ) {
00194                                 $this->dieUsageMsg( 'show' );
00195                         }
00196 
00197                         // Check permissions
00198                         if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) {
00199                                 if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
00200                                         $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
00201                                 }
00202                         }
00203 
00204                         /* Add additional conditions to query depending upon parameters. */
00205                         $this->addWhereIf( 'rc_minor = 0', isset( $show['!minor'] ) );
00206                         $this->addWhereIf( 'rc_minor != 0', isset( $show['minor'] ) );
00207                         $this->addWhereIf( 'rc_bot = 0', isset( $show['!bot'] ) );
00208                         $this->addWhereIf( 'rc_bot != 0', isset( $show['bot'] ) );
00209                         $this->addWhereIf( 'rc_user = 0', isset( $show['anon'] ) );
00210                         $this->addWhereIf( 'rc_user != 0', isset( $show['!anon'] ) );
00211                         $this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
00212                         $this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
00213                         $this->addWhereIf( 'page_is_redirect = 1', isset( $show['redirect'] ) );
00214 
00215                         // Don't throw log entries out the window here
00216                         $this->addWhereIf( 'page_is_redirect = 0 OR page_is_redirect IS NULL', isset( $show['!redirect'] ) );
00217                 }
00218 
00219                 if ( !is_null( $params['user'] ) && !is_null( $params['excludeuser'] ) ) {
00220                         $this->dieUsage( 'user and excludeuser cannot be used together', 'user-excludeuser' );
00221                 }
00222 
00223                 if ( !is_null( $params['user'] ) ) {
00224                         $this->addWhereFld( 'rc_user_text', $params['user'] );
00225                         $index['recentchanges'] = 'rc_user_text';
00226                 }
00227 
00228                 if ( !is_null( $params['excludeuser'] ) ) {
00229                         // We don't use the rc_user_text index here because
00230                         // * it would require us to sort by rc_user_text before rc_timestamp
00231                         // * the != condition doesn't throw out too many rows anyway
00232                         $this->addWhere( 'rc_user_text != ' . $this->getDB()->addQuotes( $params['excludeuser'] ) );
00233                 }
00234 
00235                 /* Add the fields we're concerned with to our query. */
00236                 $this->addFields( array(
00237                         'rc_timestamp',
00238                         'rc_namespace',
00239                         'rc_title',
00240                         'rc_cur_id',
00241                         'rc_type',
00242                         'rc_deleted'
00243                 ) );
00244 
00245                 $showRedirects = false;
00246                 /* Determine what properties we need to display. */
00247                 if ( !is_null( $params['prop'] ) ) {
00248                         $prop = array_flip( $params['prop'] );
00249 
00250                         /* Set up internal members based upon params. */
00251                         $this->initProperties( $prop );
00252 
00253                         if ( $this->fld_patrolled && !$user->useRCPatrol() && !$user->useNPPatrol() ) {
00254                                 $this->dieUsage( 'You need the patrol right to request the patrolled flag', 'permissiondenied' );
00255                         }
00256 
00257                         $this->addFields( 'rc_id' );
00258                         /* Add fields to our query if they are specified as a needed parameter. */
00259                         $this->addFieldsIf( array( 'rc_this_oldid', 'rc_last_oldid' ), $this->fld_ids );
00260                         $this->addFieldsIf( 'rc_comment', $this->fld_comment || $this->fld_parsedcomment );
00261                         $this->addFieldsIf( 'rc_user', $this->fld_user );
00262                         $this->addFieldsIf( 'rc_user_text', $this->fld_user || $this->fld_userid );
00263                         $this->addFieldsIf( array( 'rc_minor', 'rc_type', 'rc_bot' ), $this->fld_flags );
00264                         $this->addFieldsIf( array( 'rc_old_len', 'rc_new_len' ), $this->fld_sizes );
00265                         $this->addFieldsIf( 'rc_patrolled', $this->fld_patrolled );
00266                         $this->addFieldsIf( array( 'rc_logid', 'rc_log_type', 'rc_log_action', 'rc_params' ), $this->fld_loginfo );
00267                         $showRedirects = $this->fld_redirect || isset( $show['redirect'] ) || isset( $show['!redirect'] );
00268                 }
00269 
00270                 if ( $this->fld_tags ) {
00271                         $this->addTables( 'tag_summary' );
00272                         $this->addJoinConds( array( 'tag_summary' => array( 'LEFT JOIN', array( 'rc_id=ts_rc_id' ) ) ) );
00273                         $this->addFields( 'ts_tags' );
00274                 }
00275 
00276                 if ( $params['toponly'] || $showRedirects ) {
00277                         $this->addTables( 'page' );
00278                         $this->addJoinConds( array( 'page' => array( 'LEFT JOIN', array( 'rc_namespace=page_namespace', 'rc_title=page_title' ) ) ) );
00279                         $this->addFields( 'page_is_redirect' );
00280 
00281                         if ( $params['toponly'] ) {
00282                                 $this->addWhere( 'rc_this_oldid = page_latest' );
00283                         }
00284                 }
00285 
00286                 if ( !is_null( $params['tag'] ) ) {
00287                         $this->addTables( 'change_tag' );
00288                         $this->addJoinConds( array( 'change_tag' => array( 'INNER JOIN', array( 'rc_id=ct_rc_id' ) ) ) );
00289                         $this->addWhereFld( 'ct_tag', $params['tag'] );
00290                         global $wgOldChangeTagsIndex;
00291                         $index['change_tag'] = $wgOldChangeTagsIndex ? 'ct_tag' : 'change_tag_tag_id';
00292                 }
00293 
00294                 $this->token = $params['token'];
00295                 $this->addOption( 'LIMIT', $params['limit'] + 1 );
00296                 $this->addOption( 'USE INDEX', $index );
00297 
00298                 $count = 0;
00299                 /* Perform the actual query. */
00300                 $res = $this->select( __METHOD__ );
00301 
00302                 $titles = array();
00303 
00304                 $result = $this->getResult();
00305 
00306                 /* Iterate through the rows, adding data extracted from them to our query result. */
00307                 foreach ( $res as $row ) {
00308                         if ( ++ $count > $params['limit'] ) {
00309                                 // We've reached the one extra which shows that there are additional pages to be had. Stop here...
00310                                 $this->setContinueEnumParameter( 'continue', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) . '|' . $row->rc_id );
00311                                 break;
00312                         }
00313 
00314                         if ( is_null( $resultPageSet ) ) {
00315                                 /* Extract the data from a single row. */
00316                                 $vals = $this->extractRowInfo( $row );
00317 
00318                                 /* Add that row's data to our final output. */
00319                                 if ( !$vals ) {
00320                                         continue;
00321                                 }
00322                                 $fit = $result->addValue( array( 'query', $this->getModuleName() ), null, $vals );
00323                                 if ( !$fit ) {
00324                                         $this->setContinueEnumParameter( 'continue', wfTimestamp( TS_ISO_8601, $row->rc_timestamp ) . '|' . $row->rc_id );
00325                                         break;
00326                                 }
00327                         } else {
00328                                 $titles[] = Title::makeTitle( $row->rc_namespace, $row->rc_title );
00329                         }
00330                 }
00331 
00332                 if ( is_null( $resultPageSet ) ) {
00333                         /* Format the result */
00334                         $result->setIndexedTagName_internal( array( 'query', $this->getModuleName() ), 'rc' );
00335                 } else {
00336                         $resultPageSet->populateFromTitles( $titles );
00337                 }
00338         }
00339 
00347         public function extractRowInfo( $row ) {
00348                 /* Determine the title of the page that has been changed. */
00349                 $title = Title::makeTitle( $row->rc_namespace, $row->rc_title );
00350 
00351                 /* Our output data. */
00352                 $vals = array();
00353 
00354                 $type = intval( $row->rc_type );
00355 
00356                 /* Determine what kind of change this was. */
00357                 switch ( $type ) {
00358                         case RC_EDIT:
00359                                 $vals['type'] = 'edit';
00360                                 break;
00361                         case RC_NEW:
00362                                 $vals['type'] = 'new';
00363                                 break;
00364                         case RC_MOVE:
00365                                 $vals['type'] = 'move';
00366                                 break;
00367                         case RC_LOG:
00368                                 $vals['type'] = 'log';
00369                                 break;
00370                         case RC_EXTERNAL:
00371                                 $vals['type'] = 'external';
00372                                 break;
00373                         case RC_MOVE_OVER_REDIRECT:
00374                                 $vals['type'] = 'move over redirect';
00375                                 break;
00376                         default:
00377                                 $vals['type'] = $type;
00378                 }
00379 
00380                 /* Create a new entry in the result for the title. */
00381                 if ( $this->fld_title ) {
00382                         ApiQueryBase::addTitleInfo( $vals, $title );
00383                 }
00384 
00385                 /* Add ids, such as rcid, pageid, revid, and oldid to the change's info. */
00386                 if ( $this->fld_ids ) {
00387                         $vals['rcid'] = intval( $row->rc_id );
00388                         $vals['pageid'] = intval( $row->rc_cur_id );
00389                         $vals['revid'] = intval( $row->rc_this_oldid );
00390                         $vals['old_revid'] = intval( $row->rc_last_oldid );
00391                 }
00392 
00393                 /* Add user data and 'anon' flag, if use is anonymous. */
00394                 if ( $this->fld_user || $this->fld_userid ) {
00395 
00396                         if ( $this->fld_user ) {
00397                                 $vals['user'] = $row->rc_user_text;
00398                         }
00399 
00400                         if ( $this->fld_userid ) {
00401                                 $vals['userid'] = $row->rc_user;
00402                         }
00403 
00404                         if ( !$row->rc_user ) {
00405                                 $vals['anon'] = '';
00406                         }
00407                 }
00408 
00409                 /* Add flags, such as new, minor, bot. */
00410                 if ( $this->fld_flags ) {
00411                         if ( $row->rc_bot ) {
00412                                 $vals['bot'] = '';
00413                         }
00414                         if ( $row->rc_type == RC_NEW ) {
00415                                 $vals['new'] = '';
00416                         }
00417                         if ( $row->rc_minor ) {
00418                                 $vals['minor'] = '';
00419                         }
00420                 }
00421 
00422                 /* Add sizes of each revision. (Only available on 1.10+) */
00423                 if ( $this->fld_sizes ) {
00424                         $vals['oldlen'] = intval( $row->rc_old_len );
00425                         $vals['newlen'] = intval( $row->rc_new_len );
00426                 }
00427 
00428                 /* Add the timestamp. */
00429                 if ( $this->fld_timestamp ) {
00430                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rc_timestamp );
00431                 }
00432 
00433                 /* Add edit summary / log summary. */
00434                 if ( $this->fld_comment && isset( $row->rc_comment ) ) {
00435                         $vals['comment'] = $row->rc_comment;
00436                 }
00437 
00438                 if ( $this->fld_parsedcomment && isset( $row->rc_comment ) ) {
00439                         $vals['parsedcomment'] = Linker::formatComment( $row->rc_comment, $title );
00440                 }
00441 
00442                 if ( $this->fld_redirect ) {
00443                         if ( $row->page_is_redirect ) {
00444                                 $vals['redirect'] = '';
00445                         }
00446                 }
00447 
00448                 /* Add the patrolled flag */
00449                 if ( $this->fld_patrolled && $row->rc_patrolled == 1 ) {
00450                         $vals['patrolled'] = '';
00451                 }
00452 
00453                 if ( $this->fld_loginfo && $row->rc_type == RC_LOG ) {
00454                         $vals['logid'] = intval( $row->rc_logid );
00455                         $vals['logtype'] = $row->rc_log_type;
00456                         $vals['logaction'] = $row->rc_log_action;
00457                         $logEntry = DatabaseLogEntry::newFromRow( (array)$row );
00458                         ApiQueryLogEvents::addLogParams(
00459                                 $this->getResult(),
00460                                 $vals,
00461                                 $logEntry->getParameters(),
00462                                 $logEntry->getType(),
00463                                 $logEntry->getSubtype(),
00464                                 $logEntry->getTimestamp()
00465                         );
00466                 }
00467 
00468                 if ( $this->fld_tags ) {
00469                         if ( $row->ts_tags ) {
00470                                 $tags = explode( ',', $row->ts_tags );
00471                                 $this->getResult()->setIndexedTagName( $tags, 'tag' );
00472                                 $vals['tags'] = $tags;
00473                         } else {
00474                                 $vals['tags'] = array();
00475                         }
00476                 }
00477 
00478                 if ( !is_null( $this->token ) ) {
00479                         $tokenFunctions = $this->getTokenFunctions();
00480                         foreach ( $this->token as $t ) {
00481                                 $val = call_user_func( $tokenFunctions[$t], $row->rc_cur_id,
00482                                         $title, RecentChange::newFromRow( $row ) );
00483                                 if ( $val === false ) {
00484                                         $this->setWarning( "Action '$t' is not allowed for the current user" );
00485                                 } else {
00486                                         $vals[$t . 'token'] = $val;
00487                                 }
00488                         }
00489                 }
00490 
00491                 return $vals;
00492         }
00493 
00494         private function parseRCType( $type ) {
00495                 if ( is_array( $type ) ) {
00496                         $retval = array();
00497                         foreach ( $type as $t ) {
00498                                 $retval[] = $this->parseRCType( $t );
00499                         }
00500                         return $retval;
00501                 }
00502                 switch( $type ) {
00503                         case 'edit':
00504                                 return RC_EDIT;
00505                         case 'new':
00506                                 return RC_NEW;
00507                         case 'log':
00508                                 return RC_LOG;
00509                         case 'external':
00510                                 return RC_EXTERNAL;
00511                 }
00512         }
00513 
00514         public function getCacheMode( $params ) {
00515                 if ( isset( $params['show'] ) ) {
00516                         foreach ( $params['show'] as $show ) {
00517                                 if ( $show === 'patrolled' || $show === '!patrolled' ) {
00518                                         return 'private';
00519                                 }
00520                         }
00521                 }
00522                 if ( isset( $params['token'] ) ) {
00523                         return 'private';
00524                 }
00525                 if ( !is_null( $params['prop'] ) && in_array( 'parsedcomment', $params['prop'] ) ) {
00526                         // formatComment() calls wfMessage() among other things
00527                         return 'anon-public-user-private';
00528                 }
00529                 return 'public';
00530         }
00531 
00532         public function getAllowedParams() {
00533                 return array(
00534                         'start' => array(
00535                                 ApiBase::PARAM_TYPE => 'timestamp'
00536                         ),
00537                         'end' => array(
00538                                 ApiBase::PARAM_TYPE => 'timestamp'
00539                         ),
00540                         'dir' => array(
00541                                 ApiBase::PARAM_DFLT => 'older',
00542                                 ApiBase::PARAM_TYPE => array(
00543                                         'newer',
00544                                         'older'
00545                                 )
00546                         ),
00547                         'namespace' => array(
00548                                 ApiBase::PARAM_ISMULTI => true,
00549                                 ApiBase::PARAM_TYPE => 'namespace'
00550                         ),
00551                         'user' => array(
00552                                 ApiBase::PARAM_TYPE => 'user'
00553                         ),
00554                         'excludeuser' => array(
00555                                 ApiBase::PARAM_TYPE => 'user'
00556                         ),
00557                         'tag' => null,
00558                         'prop' => array(
00559                                 ApiBase::PARAM_ISMULTI => true,
00560                                 ApiBase::PARAM_DFLT => 'title|timestamp|ids',
00561                                 ApiBase::PARAM_TYPE => array(
00562                                         'user',
00563                                         'userid',
00564                                         'comment',
00565                                         'parsedcomment',
00566                                         'flags',
00567                                         'timestamp',
00568                                         'title',
00569                                         'ids',
00570                                         'sizes',
00571                                         'redirect',
00572                                         'patrolled',
00573                                         'loginfo',
00574                                         'tags'
00575                                 )
00576                         ),
00577                         'token' => array(
00578                                 ApiBase::PARAM_TYPE => array_keys( $this->getTokenFunctions() ),
00579                                 ApiBase::PARAM_ISMULTI => true
00580                         ),
00581                         'show' => array(
00582                                 ApiBase::PARAM_ISMULTI => true,
00583                                 ApiBase::PARAM_TYPE => array(
00584                                         'minor',
00585                                         '!minor',
00586                                         'bot',
00587                                         '!bot',
00588                                         'anon',
00589                                         '!anon',
00590                                         'redirect',
00591                                         '!redirect',
00592                                         'patrolled',
00593                                         '!patrolled'
00594                                 )
00595                         ),
00596                         'limit' => array(
00597                                 ApiBase::PARAM_DFLT => 10,
00598                                 ApiBase::PARAM_TYPE => 'limit',
00599                                 ApiBase::PARAM_MIN => 1,
00600                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
00601                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
00602                         ),
00603                         'type' => array(
00604                                 ApiBase::PARAM_ISMULTI => true,
00605                                 ApiBase::PARAM_TYPE => array(
00606                                         'edit',
00607                                         'external',
00608                                         'new',
00609                                         'log'
00610                                 )
00611                         ),
00612                         'toponly' => false,
00613                         'continue' => null,
00614                 );
00615         }
00616 
00617         public function getParamDescription() {
00618                 $p = $this->getModulePrefix();
00619                 return array(
00620                         'start' => 'The timestamp to start enumerating from',
00621                         'end' => 'The timestamp to end enumerating',
00622                         'dir' => $this->getDirectionDescription( $p ),
00623                         'namespace' => 'Filter log entries to only this namespace(s)',
00624                         'user' => 'Only list changes by this user',
00625                         'excludeuser' => 'Don\'t list changes by this user',
00626                         'prop' => array(
00627                                 'Include additional pieces of information',
00628                                 ' user           - Adds the user responsible for the edit and tags if they are an IP',
00629                                 ' userid         - Adds the user id responsible for the edit',
00630                                 ' comment        - Adds the comment for the edit',
00631                                 ' parsedcomment  - Adds the parsed comment for the edit',
00632                                 ' flags          - Adds flags for the edit',
00633                                 ' timestamp      - Adds timestamp of the edit',
00634                                 ' title          - Adds the page title of the edit',
00635                                 ' ids            - Adds the page ID, recent changes ID and the new and old revision ID',
00636                                 ' sizes          - Adds the new and old page length in bytes',
00637                                 ' redirect       - Tags edit if page is a redirect',
00638                                 ' patrolled      - Tags edits that have been patrolled',
00639                                 ' loginfo        - Adds log information (logid, logtype, etc) to log entries',
00640                                 ' tags           - Lists tags for the entry',
00641                         ),
00642                         'token' => 'Which tokens to obtain for each change',
00643                         'show' => array(
00644                                 'Show only items that meet this criteria.',
00645                                 "For example, to see only minor edits done by logged-in users, set {$p}show=minor|!anon"
00646                         ),
00647                         'type' => 'Which types of changes to show',
00648                         'limit' => 'How many total changes to return',
00649                         'tag' => 'Only list changes tagged with this tag',
00650                         'toponly' => 'Only list changes which are the latest revision',
00651                         'continue' => 'When more results are available, use this to continue',
00652                 );
00653         }
00654 
00655         public function getResultProperties() {
00656                 global $wgLogTypes;
00657                 $props = array(
00658                         '' => array(
00659                                 'type' => array(
00660                                         ApiBase::PROP_TYPE => array(
00661                                                 'edit',
00662                                                 'new',
00663                                                 'move',
00664                                                 'log',
00665                                                 'move over redirect'
00666                                         )
00667                                 )
00668                         ),
00669                         'title' => array(
00670                                 'ns' => 'namespace',
00671                                 'title' => 'string',
00672                                 'new_ns' => array(
00673                                         ApiBase::PROP_TYPE => 'namespace',
00674                                         ApiBase::PROP_NULLABLE => true
00675                                 ),
00676                                 'new_title' => array(
00677                                         ApiBase::PROP_TYPE => 'string',
00678                                         ApiBase::PROP_NULLABLE => true
00679                                 )
00680                         ),
00681                         'ids' => array(
00682                                 'rcid' => 'integer',
00683                                 'pageid' => 'integer',
00684                                 'revid' => 'integer',
00685                                 'old_revid' => 'integer'
00686                         ),
00687                         'user' => array(
00688                                 'user' => 'string',
00689                                 'anon' => 'boolean'
00690                         ),
00691                         'userid' => array(
00692                                 'userid' => 'integer',
00693                                 'anon' => 'boolean'
00694                         ),
00695                         'flags' => array(
00696                                 'bot' => 'boolean',
00697                                 'new' => 'boolean',
00698                                 'minor' => 'boolean'
00699                         ),
00700                         'sizes' => array(
00701                                 'oldlen' => 'integer',
00702                                 'newlen' => 'integer'
00703                         ),
00704                         'timestamp' => array(
00705                                 'timestamp' => 'timestamp'
00706                         ),
00707                         'comment' => array(
00708                                 'comment' => array(
00709                                         ApiBase::PROP_TYPE => 'string',
00710                                         ApiBase::PROP_NULLABLE => true
00711                                 )
00712                         ),
00713                         'parsedcomment' => array(
00714                                 'parsedcomment' => array(
00715                                         ApiBase::PROP_TYPE => 'string',
00716                                         ApiBase::PROP_NULLABLE => true
00717                                 )
00718                         ),
00719                         'redirect' => array(
00720                                 'redirect' => 'boolean'
00721                         ),
00722                         'patrolled' => array(
00723                                 'patrolled' => 'boolean'
00724                         ),
00725                         'loginfo' => array(
00726                                 'logid' => array(
00727                                         ApiBase::PROP_TYPE => 'integer',
00728                                         ApiBase::PROP_NULLABLE => true
00729                                 ),
00730                                 'logtype' => array(
00731                                         ApiBase::PROP_TYPE => $wgLogTypes,
00732                                         ApiBase::PROP_NULLABLE => true
00733                                 ),
00734                                 'logaction' => array(
00735                                         ApiBase::PROP_TYPE => 'string',
00736                                         ApiBase::PROP_NULLABLE => true
00737                                 )
00738                         )
00739                 );
00740 
00741                 self::addTokenProperties( $props, $this->getTokenFunctions() );
00742 
00743                 return $props;
00744         }
00745 
00746         public function getDescription() {
00747                 return 'Enumerate recent changes';
00748         }
00749 
00750         public function getPossibleErrors() {
00751                 return array_merge( parent::getPossibleErrors(), array(
00752                         array( 'show' ),
00753                         array( 'code' => 'permissiondenied', 'info' => 'You need the patrol right to request the patrolled flag' ),
00754                         array( 'code' => 'user-excludeuser', 'info' => 'user and excludeuser cannot be used together' ),
00755                 ) );
00756         }
00757 
00758         public function getExamples() {
00759                 return array(
00760                         'api.php?action=query&list=recentchanges'
00761                 );
00762         }
00763 
00764         public function getHelpUrls() {
00765                 return 'https://www.mediawiki.org/wiki/API:Recentchanges';
00766         }
00767 }