includes/api/ApiQueryUserContributions.php

   1 <?php
   2 /**
   3  * Copyright © 2006 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 /**
  24  * This query action adds a list of a specified user's contributions to the output.
  25  *
  26  * @ingroup API
  27  */
  28 class ApiQueryContributions extends ApiQueryBase {
  29
  30         public function __construct( ApiQuery $query, $moduleName ) {
  31                 parent::__construct( $query, $moduleName, 'uc' );
  32         }
  33
  34         private $params, $prefixMode, $userprefix, $multiUserMode, $idMode, $usernames, $userids,
  35                 $parentLens, $commentStore;
  36         private $fld_ids = false, $fld_title = false, $fld_timestamp = false,
  37                 $fld_comment = false, $fld_parsedcomment = false, $fld_flags = false,
  38                 $fld_patrolled = false, $fld_tags = false, $fld_size = false, $fld_sizediff = false;
  39
  40         public function execute() {
  41                 // Parse some parameters
  42                 $this->params = $this->extractRequestParams();
  43
  44                 $this->commentStore = new CommentStore( 'rev_comment' );
  45
  46                 $prop = array_flip( $this->params['prop'] );
  47                 $this->fld_ids = isset( $prop['ids'] );
  48                 $this->fld_title = isset( $prop['title'] );
  49                 $this->fld_comment = isset( $prop['comment'] );
  50                 $this->fld_parsedcomment = isset( $prop['parsedcomment'] );
  51                 $this->fld_size = isset( $prop['size'] );
  52                 $this->fld_sizediff = isset( $prop['sizediff'] );
  53                 $this->fld_flags = isset( $prop['flags'] );
  54                 $this->fld_timestamp = isset( $prop['timestamp'] );
  55                 $this->fld_patrolled = isset( $prop['patrolled'] );
  56                 $this->fld_tags = isset( $prop['tags'] );
  57
  58                 // Most of this code will use the 'contributions' group DB, which can map to replica DBs
  59                 // with extra user based indexes or partioning by user. The additional metadata
  60                 // queries should use a regular replica DB since the lookup pattern is not all by user.
  61                 $dbSecondary = $this->getDB(); // any random replica DB
  62
  63                 // TODO: if the query is going only against the revision table, should this be done?
  64                 $this->selectNamedDB( 'contributions', DB_REPLICA, 'contributions' );
  65
  66                 $this->requireOnlyOneParameter( $this->params, 'userprefix', 'userids', 'user' );
  67
  68                 $this->idMode = false;
  69                 if ( isset( $this->params['userprefix'] ) ) {
  70                         $this->prefixMode = true;
  71                         $this->multiUserMode = true;
  72                         $this->userprefix = $this->params['userprefix'];
  73                 } elseif ( isset( $this->params['userids'] ) ) {
  74                         $this->userids = [];
  75
  76                         if ( !count( $this->params['userids'] ) ) {
  77                                 $encParamName = $this->encodeParamName( 'userids' );
  78                                 $this->dieWithError( [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName" );
  79                         }
  80
  81                         foreach ( $this->params['userids'] as $uid ) {
  82                                 if ( $uid <= 0 ) {
  83                                         $this->dieWithError( [ 'apierror-invaliduserid', $uid ], 'invaliduserid' );
  84                                 }
  85
  86                                 $this->userids[] = $uid;
  87                         }
  88
  89                         $this->prefixMode = false;
  90                         $this->multiUserMode = ( count( $this->params['userids'] ) > 1 );
  91                         $this->idMode = true;
  92                 } else {
  93                         $anyIPs = false;
  94                         $this->userids = [];
  95                         $this->usernames = [];
  96                         if ( !count( $this->params['user'] ) ) {
  97                                 $encParamName = $this->encodeParamName( 'user' );
  98                                 $this->dieWithError(
  99                                         [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName"
 100                                 );
 101                         }
 102                         foreach ( $this->params['user'] as $u ) {
 103                                 if ( $u === '' ) {
 104                                         $encParamName = $this->encodeParamName( 'user' );
 105                                         $this->dieWithError(
 106                                                 [ 'apierror-paramempty', $encParamName ], "paramempty_$encParamName"
 107                                         );
 108                                 }
 109
 110                                 if ( User::isIP( $u ) ) {
 111                                         $anyIPs = true;
 112                                         $this->usernames[] = $u;
 113                                 } else {
 114                                         $name = User::getCanonicalName( $u, 'valid' );
 115                                         if ( $name === false ) {
 116                                                 $encParamName = $this->encodeParamName( 'user' );
 117                                                 $this->dieWithError(
 118                                                         [ 'apierror-baduser', $encParamName, wfEscapeWikiText( $u ) ], "baduser_$encParamName"
 119                                                 );
 120                                         }
 121                                         $this->usernames[] = $name;
 122                                 }
 123                         }
 124                         $this->prefixMode = false;
 125                         $this->multiUserMode = ( count( $this->params['user'] ) > 1 );
 126
 127                         if ( !$anyIPs ) {
 128                                 $dbr = $this->getDB();
 129                                 $res = $dbr->select( 'user', 'user_id', [ 'user_name' => $this->usernames ], __METHOD__ );
 130                                 foreach ( $res as $row ) {
 131                                         $this->userids[] = $row->user_id;
 132                                 }
 133                                 $this->idMode = count( $this->userids ) === count( $this->usernames );
 134                         }
 135                 }
 136
 137                 $this->prepareQuery();
 138
 139                 $hookData = [];
 140                 // Do the actual query.
 141                 $res = $this->select( __METHOD__, [], $hookData );
 142
 143                 if ( $this->fld_sizediff ) {
 144                         $revIds = [];
 145                         foreach ( $res as $row ) {
 146                                 if ( $row->rev_parent_id ) {
 147                                         $revIds[] = $row->rev_parent_id;
 148                                 }
 149                         }
 150                         $this->parentLens = Revision::getParentLengths( $dbSecondary, $revIds );
 151                         $res->rewind(); // reset
 152                 }
 153
 154                 // Initialise some variables
 155                 $count = 0;
 156                 $limit = $this->params['limit'];
 157
 158                 // Fetch each row
 159                 foreach ( $res as $row ) {
 160                         if ( ++$count > $limit ) {
 161                                 // We've reached the one extra which shows that there are
 162                                 // additional pages to be had. Stop here...
 163                                 $this->setContinueEnumParameter( 'continue', $this->continueStr( $row ) );
 164                                 break;
 165                         }
 166
 167                         $vals = $this->extractRowInfo( $row );
 168                         $fit = $this->processRow( $row, $vals, $hookData ) &&
 169                                 $this->getResult()->addValue( [ 'query', $this->getModuleName() ], null, $vals );
 170                         if ( !$fit ) {
 171                                 $this->setContinueEnumParameter( 'continue', $this->continueStr( $row ) );
 172                                 break;
 173                         }
 174                 }
 175
 176                 $this->getResult()->addIndexedTagName(
 177                         [ 'query', $this->getModuleName() ],
 178                         'item'
 179                 );
 180         }
 181
 182         /**
 183          * Prepares the query and returns the limit of rows requested
 184          */
 185         private function prepareQuery() {
 186                 // We're after the revision table, and the corresponding page
 187                 // row for anything we retrieve. We may also need the
 188                 // recentchanges row and/or tag summary row.
 189                 $user = $this->getUser();
 190                 $tables = [ 'page', 'revision' ]; // Order may change
 191                 $this->addWhere( 'page_id=rev_page' );
 192
 193                 // Handle continue parameter
 194                 if ( !is_null( $this->params['continue'] ) ) {
 195                         $continue = explode( '|', $this->params['continue'] );
 196                         $db = $this->getDB();
 197                         if ( $this->multiUserMode ) {
 198                                 $this->dieContinueUsageIf( count( $continue ) != 4 );
 199                                 $modeFlag = array_shift( $continue );
 200                                 $this->dieContinueUsageIf( !in_array( $modeFlag, [ 'id', 'name' ] ) );
 201                                 if ( $this->idMode && $modeFlag === 'name' ) {
 202                                         // The users were created since this query started, but we
 203                                         // can't go back and change modes now. So just keep on with
 204                                         // name mode.
 205                                         $this->idMode = false;
 206                                 }
 207                                 $this->dieContinueUsageIf( ( $modeFlag === 'id' ) !== $this->idMode );
 208                                 $userField = $this->idMode ? 'rev_user' : 'rev_user_text';
 209                                 $encUser = $db->addQuotes( array_shift( $continue ) );
 210                         } else {
 211                                 $this->dieContinueUsageIf( count( $continue ) != 2 );
 212                         }
 213                         $encTS = $db->addQuotes( $db->timestamp( $continue[0] ) );
 214                         $encId = (int)$continue[1];
 215                         $this->dieContinueUsageIf( $encId != $continue[1] );
 216                         $op = ( $this->params['dir'] == 'older' ? '<' : '>' );
 217                         if ( $this->multiUserMode ) {
 218                                 $this->addWhere(
 219                                         "$userField $op $encUser OR " .
 220                                         "($userField = $encUser AND " .
 221                                         "(rev_timestamp $op $encTS OR " .
 222                                         "(rev_timestamp = $encTS AND " .
 223                                         "rev_id $op= $encId)))"
 224                                 );
 225                         } else {
 226                                 $this->addWhere(
 227                                         "rev_timestamp $op $encTS OR " .
 228                                         "(rev_timestamp = $encTS AND " .
 229                                         "rev_id $op= $encId)"
 230                                 );
 231                         }
 232                 }
 233
 234                 // Don't include any revisions where we're not supposed to be able to
 235                 // see the username.
 236                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 237                         $bitmask = Revision::DELETED_USER;
 238                 } elseif ( !$user->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
 239                         $bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
 240                 } else {
 241                         $bitmask = 0;
 242                 }
 243                 if ( $bitmask ) {
 244                         $this->addWhere( $this->getDB()->bitAnd( 'rev_deleted', $bitmask ) . " != $bitmask" );
 245                 }
 246
 247                 // We only want pages by the specified users.
 248                 if ( $this->prefixMode ) {
 249                         $this->addWhere( 'rev_user_text' .
 250                                 $this->getDB()->buildLike( $this->userprefix, $this->getDB()->anyString() ) );
 251                 } elseif ( $this->idMode ) {
 252                         $this->addWhereFld( 'rev_user', $this->userids );
 253                 } else {
 254                         $this->addWhereFld( 'rev_user_text', $this->usernames );
 255                 }
 256                 // ... and in the specified timeframe.
 257                 // Ensure the same sort order for rev_user/rev_user_text and rev_timestamp
 258                 // so our query is indexed
 259                 if ( $this->multiUserMode ) {
 260                         $this->addWhereRange( $this->idMode ? 'rev_user' : 'rev_user_text',
 261                                 $this->params['dir'], null, null );
 262                 }
 263                 $this->addTimestampWhereRange( 'rev_timestamp',
 264                         $this->params['dir'], $this->params['start'], $this->params['end'] );
 265                 // Include in ORDER BY for uniqueness
 266                 $this->addWhereRange( 'rev_id', $this->params['dir'], null, null );
 267
 268                 $this->addWhereFld( 'page_namespace', $this->params['namespace'] );
 269
 270                 $show = $this->params['show'];
 271                 if ( $this->params['toponly'] ) { // deprecated/old param
 272                         $show[] = 'top';
 273                 }
 274                 if ( !is_null( $show ) ) {
 275                         $show = array_flip( $show );
 276
 277                         if ( ( isset( $show['minor'] ) && isset( $show['!minor'] ) )
 278                                 || ( isset( $show['patrolled'] ) && isset( $show['!patrolled'] ) )
 279                                 || ( isset( $show['top'] ) && isset( $show['!top'] ) )
 280                                 || ( isset( $show['new'] ) && isset( $show['!new'] ) )
 281                         ) {
 282                                 $this->dieWithError( 'apierror-show' );
 283                         }
 284
 285                         $this->addWhereIf( 'rev_minor_edit = 0', isset( $show['!minor'] ) );
 286                         $this->addWhereIf( 'rev_minor_edit != 0', isset( $show['minor'] ) );
 287                         $this->addWhereIf( 'rc_patrolled = 0', isset( $show['!patrolled'] ) );
 288                         $this->addWhereIf( 'rc_patrolled != 0', isset( $show['patrolled'] ) );
 289                         $this->addWhereIf( 'rev_id != page_latest', isset( $show['!top'] ) );
 290                         $this->addWhereIf( 'rev_id = page_latest', isset( $show['top'] ) );
 291                         $this->addWhereIf( 'rev_parent_id != 0', isset( $show['!new'] ) );
 292                         $this->addWhereIf( 'rev_parent_id = 0', isset( $show['new'] ) );
 293                 }
 294                 $this->addOption( 'LIMIT', $this->params['limit'] + 1 );
 295
 296                 // Mandatory fields: timestamp allows request continuation
 297                 // ns+title checks if the user has access rights for this page
 298                 // user_text is necessary if multiple users were specified
 299                 $this->addFields( [
 300                         'rev_id',
 301                         'rev_timestamp',
 302                         'page_namespace',
 303                         'page_title',
 304                         'rev_user',
 305                         'rev_user_text',
 306                         'rev_deleted'
 307                 ] );
 308
 309                 if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ||
 310                         $this->fld_patrolled
 311                 ) {
 312                         if ( !$user->useRCPatrol() && !$user->useNPPatrol() ) {
 313                                 $this->dieWithError( 'apierror-permissiondenied-patrolflag', 'permissiondenied' );
 314                         }
 315
 316                         // Use a redundant join condition on both
 317                         // timestamp and ID so we can use the timestamp
 318                         // index
 319                         $index['recentchanges'] = 'rc_user_text';
 320                         if ( isset( $show['patrolled'] ) || isset( $show['!patrolled'] ) ) {
 321                                 // Put the tables in the right order for
 322                                 // STRAIGHT_JOIN
 323                                 $tables = [ 'revision', 'recentchanges', 'page' ];
 324                                 $this->addOption( 'STRAIGHT_JOIN' );
 325                                 $this->addWhere( 'rc_user_text=rev_user_text' );
 326                                 $this->addWhere( 'rc_timestamp=rev_timestamp' );
 327                                 $this->addWhere( 'rc_this_oldid=rev_id' );
 328                         } else {
 329                                 $tables[] = 'recentchanges';
 330                                 $this->addJoinConds( [ 'recentchanges' => [
 331                                         'LEFT JOIN', [
 332                                                 'rc_user_text=rev_user_text',
 333                                                 'rc_timestamp=rev_timestamp',
 334                                                 'rc_this_oldid=rev_id' ] ] ] );
 335                         }
 336                 }
 337
 338                 $this->addTables( $tables );
 339                 $this->addFieldsIf( 'rev_page', $this->fld_ids );
 340                 $this->addFieldsIf( 'page_latest', $this->fld_flags );
 341                 // $this->addFieldsIf( 'rev_text_id', $this->fld_ids ); // Should this field be exposed?
 342                 $this->addFieldsIf( 'rev_len', $this->fld_size || $this->fld_sizediff );
 343                 $this->addFieldsIf( 'rev_minor_edit', $this->fld_flags );
 344                 $this->addFieldsIf( 'rev_parent_id', $this->fld_flags || $this->fld_sizediff || $this->fld_ids );
 345                 $this->addFieldsIf( 'rc_patrolled', $this->fld_patrolled );
 346
 347                 if ( $this->fld_comment || $this->fld_parsedcomment ) {
 348                         $commentQuery = $this->commentStore->getJoin();
 349                         $this->addTables( $commentQuery['tables'] );
 350                         $this->addFields( $commentQuery['fields'] );
 351                         $this->addJoinConds( $commentQuery['joins'] );
 352                 }
 353
 354                 if ( $this->fld_tags ) {
 355                         $this->addTables( 'tag_summary' );
 356                         $this->addJoinConds(
 357                                 [ 'tag_summary' => [ 'LEFT JOIN', [ 'rev_id=ts_rev_id' ] ] ]
 358                         );
 359                         $this->addFields( 'ts_tags' );
 360                 }
 361
 362                 if ( isset( $this->params['tag'] ) ) {
 363                         $this->addTables( 'change_tag' );
 364                         $this->addJoinConds(
 365                                 [ 'change_tag' => [ 'INNER JOIN', [ 'rev_id=ct_rev_id' ] ] ]
 366                         );
 367                         $this->addWhereFld( 'ct_tag', $this->params['tag'] );
 368                 }
 369
 370                 if ( isset( $index ) ) {
 371                         $this->addOption( 'USE INDEX', $index );
 372                 }
 373         }
 374
 375         /**
 376          * Extract fields from the database row and append them to a result array
 377          *
 378          * @param stdClass $row
 379          * @return array
 380          */
 381         private function extractRowInfo( $row ) {
 382                 $vals = [];
 383                 $anyHidden = false;
 384
 385                 if ( $row->rev_deleted & Revision::DELETED_TEXT ) {
 386                         $vals['texthidden'] = true;
 387                         $anyHidden = true;
 388                 }
 389
 390                 // Any rows where we can't view the user were filtered out in the query.
 391                 $vals['userid'] = (int)$row->rev_user;
 392                 $vals['user'] = $row->rev_user_text;
 393                 if ( $row->rev_deleted & Revision::DELETED_USER ) {
 394                         $vals['userhidden'] = true;
 395                         $anyHidden = true;
 396                 }
 397                 if ( $this->fld_ids ) {
 398                         $vals['pageid'] = intval( $row->rev_page );
 399                         $vals['revid'] = intval( $row->rev_id );
 400                         // $vals['textid'] = intval( $row->rev_text_id ); // todo: Should this field be exposed?
 401
 402                         if ( !is_null( $row->rev_parent_id ) ) {
 403                                 $vals['parentid'] = intval( $row->rev_parent_id );
 404                         }
 405                 }
 406
 407                 $title = Title::makeTitle( $row->page_namespace, $row->page_title );
 408
 409                 if ( $this->fld_title ) {
 410                         ApiQueryBase::addTitleInfo( $vals, $title );
 411                 }
 412
 413                 if ( $this->fld_timestamp ) {
 414                         $vals['timestamp'] = wfTimestamp( TS_ISO_8601, $row->rev_timestamp );
 415                 }
 416
 417                 if ( $this->fld_flags ) {
 418                         $vals['new'] = $row->rev_parent_id == 0 && !is_null( $row->rev_parent_id );
 419                         $vals['minor'] = (bool)$row->rev_minor_edit;
 420                         $vals['top'] = $row->page_latest == $row->rev_id;
 421                 }
 422
 423                 if ( $this->fld_comment || $this->fld_parsedcomment ) {
 424                         if ( $row->rev_deleted & Revision::DELETED_COMMENT ) {
 425                                 $vals['commenthidden'] = true;
 426                                 $anyHidden = true;
 427                         }
 428
 429                         $userCanView = Revision::userCanBitfield(
 430                                 $row->rev_deleted,
 431                                 Revision::DELETED_COMMENT, $this->getUser()
 432                         );
 433
 434                         if ( $userCanView ) {
 435                                 $comment = $this->commentStore->getComment( $row )->text;
 436                                 if ( $this->fld_comment ) {
 437                                         $vals['comment'] = $comment;
 438                                 }
 439
 440                                 if ( $this->fld_parsedcomment ) {
 441                                         $vals['parsedcomment'] = Linker::formatComment( $comment, $title );
 442                                 }
 443                         }
 444                 }
 445
 446                 if ( $this->fld_patrolled ) {
 447                         $vals['patrolled'] = (bool)$row->rc_patrolled;
 448                 }
 449
 450                 if ( $this->fld_size && !is_null( $row->rev_len ) ) {
 451                         $vals['size'] = intval( $row->rev_len );
 452                 }
 453
 454                 if ( $this->fld_sizediff
 455                         && !is_null( $row->rev_len )
 456                         && !is_null( $row->rev_parent_id )
 457                 ) {
 458                         $parentLen = isset( $this->parentLens[$row->rev_parent_id] )
 459                                 ? $this->parentLens[$row->rev_parent_id]
 460                                 : 0;
 461                         $vals['sizediff'] = intval( $row->rev_len - $parentLen );
 462                 }
 463
 464                 if ( $this->fld_tags ) {
 465                         if ( $row->ts_tags ) {
 466                                 $tags = explode( ',', $row->ts_tags );
 467                                 ApiResult::setIndexedTagName( $tags, 'tag' );
 468                                 $vals['tags'] = $tags;
 469                         } else {
 470                                 $vals['tags'] = [];
 471                         }
 472                 }
 473
 474                 if ( $anyHidden && $row->rev_deleted & Revision::DELETED_RESTRICTED ) {
 475                         $vals['suppressed'] = true;
 476                 }
 477
 478                 return $vals;
 479         }
 480
 481         private function continueStr( $row ) {
 482                 if ( $this->multiUserMode ) {
 483                         if ( $this->idMode ) {
 484                                 return "id|$row->rev_user|$row->rev_timestamp|$row->rev_id";
 485                         } else {
 486                                 return "name|$row->rev_user_text|$row->rev_timestamp|$row->rev_id";
 487                         }
 488                 } else {
 489                         return "$row->rev_timestamp|$row->rev_id";
 490                 }
 491         }
 492
 493         public function getCacheMode( $params ) {
 494                 // This module provides access to deleted revisions and patrol flags if
 495                 // the requester is logged in
 496                 return 'anon-public-user-private';
 497         }
 498
 499         public function getAllowedParams() {
 500                 return [
 501                         'limit' => [
 502                                 ApiBase::PARAM_DFLT => 10,
 503                                 ApiBase::PARAM_TYPE => 'limit',
 504                                 ApiBase::PARAM_MIN => 1,
 505                                 ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
 506                                 ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
 507                         ],
 508                         'start' => [
 509                                 ApiBase::PARAM_TYPE => 'timestamp'
 510                         ],
 511                         'end' => [
 512                                 ApiBase::PARAM_TYPE => 'timestamp'
 513                         ],
 514                         'continue' => [
 515                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 516                         ],
 517                         'user' => [
 518                                 ApiBase::PARAM_TYPE => 'user',
 519                                 ApiBase::PARAM_ISMULTI => true
 520                         ],
 521                         'userids' => [
 522                                 ApiBase::PARAM_TYPE => 'integer',
 523                                 ApiBase::PARAM_ISMULTI => true
 524                         ],
 525                         'userprefix' => null,
 526                         'dir' => [
 527                                 ApiBase::PARAM_DFLT => 'older',
 528                                 ApiBase::PARAM_TYPE => [
 529                                         'newer',
 530                                         'older'
 531                                 ],
 532                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
 533                         ],
 534                         'namespace' => [
 535                                 ApiBase::PARAM_ISMULTI => true,
 536                                 ApiBase::PARAM_TYPE => 'namespace'
 537                         ],
 538                         'prop' => [
 539                                 ApiBase::PARAM_ISMULTI => true,
 540                                 ApiBase::PARAM_DFLT => 'ids|title|timestamp|comment|size|flags',
 541                                 ApiBase::PARAM_TYPE => [
 542                                         'ids',
 543                                         'title',
 544                                         'timestamp',
 545                                         'comment',
 546                                         'parsedcomment',
 547                                         'size',
 548                                         'sizediff',
 549                                         'flags',
 550                                         'patrolled',
 551                                         'tags'
 552                                 ],
 553                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
 554                         ],
 555                         'show' => [
 556                                 ApiBase::PARAM_ISMULTI => true,
 557                                 ApiBase::PARAM_TYPE => [
 558                                         'minor',
 559                                         '!minor',
 560                                         'patrolled',
 561                                         '!patrolled',
 562                                         'top',
 563                                         '!top',
 564                                         'new',
 565                                         '!new',
 566                                 ],
 567                                 ApiBase::PARAM_HELP_MSG => [
 568                                         'apihelp-query+usercontribs-param-show',
 569                                         $this->getConfig()->get( 'RCMaxAge' )
 570                                 ],
 571                         ],
 572                         'tag' => null,
 573                         'toponly' => [
 574                                 ApiBase::PARAM_DFLT => false,
 575                                 ApiBase::PARAM_DEPRECATED => true,
 576                         ],
 577                 ];
 578         }
 579
 580         protected function getExamplesMessages() {
 581                 return [
 582                         'action=query&list=usercontribs&ucuser=Example'
 583                                 => 'apihelp-query+usercontribs-example-user',
 584                         'action=query&list=usercontribs&ucuserprefix=192.0.2.'
 585                                 => 'apihelp-query+usercontribs-example-ipprefix',
 586                 ];
 587         }
 588
 589         public function getHelpUrls() {
 590                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Usercontribs';
 591         }
 592 }