includes/specials/SpecialNewpages.php

   1 <?php
   2 /**
   3  * Implements Special:Newpages
   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  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * A special page that list newly created pages
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialNewpages extends IncludableSpecialPage {
  30         /**
  31          * @var FormOptions
  32          */
  33         protected $opts;
  34         protected $customFilters;
  35
  36         protected $showNavigation = false;
  37
  38         public function __construct() {
  39                 parent::__construct( 'Newpages' );
  40         }
  41
  42         protected function setup( $par ) {
  43                 // Options
  44                 $opts = new FormOptions();
  45                 $this->opts = $opts; // bind
  46                 $opts->add( 'hideliu', false );
  47                 $opts->add( 'hidepatrolled', $this->getUser()->getBoolOption( 'newpageshidepatrolled' ) );
  48                 $opts->add( 'hidebots', false );
  49                 $opts->add( 'hideredirs', true );
  50                 $opts->add( 'limit', $this->getUser()->getIntOption( 'rclimit' ) );
  51                 $opts->add( 'offset', '' );
  52                 $opts->add( 'namespace', '0' );
  53                 $opts->add( 'username', '' );
  54                 $opts->add( 'feed', '' );
  55                 $opts->add( 'tagfilter', '' );
  56                 $opts->add( 'invert', false );
  57
  58                 $this->customFilters = array();
  59                 Hooks::run( 'SpecialNewPagesFilters', array( $this, &$this->customFilters ) );
  60                 foreach ( $this->customFilters as $key => $params ) {
  61                         $opts->add( $key, $params['default'] );
  62                 }
  63
  64                 // Set values
  65                 $opts->fetchValuesFromRequest( $this->getRequest() );
  66                 if ( $par ) {
  67                         $this->parseParams( $par );
  68                 }
  69
  70                 // Validate
  71                 $opts->validateIntBounds( 'limit', 0, 5000 );
  72         }
  73
  74         protected function parseParams( $par ) {
  75                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  76                 foreach ( $bits as $bit ) {
  77                         if ( 'shownav' == $bit ) {
  78                                 $this->showNavigation = true;
  79                         }
  80                         if ( 'hideliu' === $bit ) {
  81                                 $this->opts->setValue( 'hideliu', true );
  82                         }
  83                         if ( 'hidepatrolled' == $bit ) {
  84                                 $this->opts->setValue( 'hidepatrolled', true );
  85                         }
  86                         if ( 'hidebots' == $bit ) {
  87                                 $this->opts->setValue( 'hidebots', true );
  88                         }
  89                         if ( 'showredirs' == $bit ) {
  90                                 $this->opts->setValue( 'hideredirs', false );
  91                         }
  92                         if ( is_numeric( $bit ) ) {
  93                                 $this->opts->setValue( 'limit', intval( $bit ) );
  94                         }
  95
  96                         $m = array();
  97                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
  98                                 $this->opts->setValue( 'limit', intval( $m[1] ) );
  99                         }
 100                         // PG offsets not just digits!
 101                         if ( preg_match( '/^offset=([^=]+)$/', $bit, $m ) ) {
 102                                 $this->opts->setValue( 'offset', intval( $m[1] ) );
 103                         }
 104                         if ( preg_match( '/^username=(.*)$/', $bit, $m ) ) {
 105                                 $this->opts->setValue( 'username', $m[1] );
 106                         }
 107                         if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
 108                                 $ns = $this->getLanguage()->getNsIndex( $m[1] );
 109                                 if ( $ns !== false ) {
 110                                         $this->opts->setValue( 'namespace', $ns );
 111                                 }
 112                         }
 113                 }
 114         }
 115
 116         /**
 117          * Show a form for filtering namespace and username
 118          *
 119          * @param string $par
 120          */
 121         public function execute( $par ) {
 122                 $out = $this->getOutput();
 123
 124                 $this->setHeaders();
 125                 $this->outputHeader();
 126
 127                 $this->showNavigation = !$this->including(); // Maybe changed in setup
 128                 $this->setup( $par );
 129
 130                 $this->addHelpLink( 'Help:New pages' );
 131
 132                 if ( !$this->including() ) {
 133                         // Settings
 134                         $this->form();
 135
 136                         $feedType = $this->opts->getValue( 'feed' );
 137                         if ( $feedType ) {
 138                                 $this->feed( $feedType );
 139
 140                                 return;
 141                         }
 142
 143                         $allValues = $this->opts->getAllValues();
 144                         unset( $allValues['feed'] );
 145                         $out->setFeedAppendQuery( wfArrayToCgi( $allValues ) );
 146                 }
 147
 148                 $pager = new NewPagesPager( $this, $this->opts );
 149                 $pager->mLimit = $this->opts->getValue( 'limit' );
 150                 $pager->mOffset = $this->opts->getValue( 'offset' );
 151
 152                 if ( $pager->getNumRows() ) {
 153                         $navigation = '';
 154                         if ( $this->showNavigation ) {
 155                                 $navigation = $pager->getNavigationBar();
 156                         }
 157                         $out->addHTML( $navigation . $pager->getBody() . $navigation );
 158                 } else {
 159                         $out->addWikiMsg( 'specialpage-empty' );
 160                 }
 161         }
 162
 163         protected function filterLinks() {
 164                 // show/hide links
 165                 $showhide = array( $this->msg( 'show' )->escaped(), $this->msg( 'hide' )->escaped() );
 166
 167                 // Option value -> message mapping
 168                 $filters = array(
 169                         'hideliu' => 'rcshowhideliu',
 170                         'hidepatrolled' => 'rcshowhidepatr',
 171                         'hidebots' => 'rcshowhidebots',
 172                         'hideredirs' => 'whatlinkshere-hideredirs'
 173                 );
 174                 foreach ( $this->customFilters as $key => $params ) {
 175                         $filters[$key] = $params['msg'];
 176                 }
 177
 178                 // Disable some if needed
 179                 if ( !User::groupHasPermission( '*', 'createpage' ) ) {
 180                         unset( $filters['hideliu'] );
 181                 }
 182                 if ( !$this->getUser()->useNPPatrol() ) {
 183                         unset( $filters['hidepatrolled'] );
 184                 }
 185
 186                 $links = array();
 187                 $changed = $this->opts->getChangedValues();
 188                 unset( $changed['offset'] ); // Reset offset if query type changes
 189
 190                 $self = $this->getPageTitle();
 191                 foreach ( $filters as $key => $msg ) {
 192                         $onoff = 1 - $this->opts->getValue( $key );
 193                         $link = Linker::link( $self, $showhide[$onoff], array(),
 194                                 array( $key => $onoff ) + $changed
 195                         );
 196                         $links[$key] = $this->msg( $msg )->rawParams( $link )->escaped();
 197                 }
 198
 199                 return $this->getLanguage()->pipeList( $links );
 200         }
 201
 202         protected function form() {
 203                 $out = $this->getOutput();
 204                 $out->addModules( 'mediawiki.userSuggest' );
 205
 206                 // Consume values
 207                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 208                 $namespace = $this->opts->consumeValue( 'namespace' );
 209                 $username = $this->opts->consumeValue( 'username' );
 210                 $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 211                 $nsinvert = $this->opts->consumeValue( 'invert' );
 212
 213                 // Check username input validity
 214                 $ut = Title::makeTitleSafe( NS_USER, $username );
 215                 $userText = $ut ? $ut->getText() : '';
 216
 217                 // Store query values in hidden fields so that form submission doesn't lose them
 218                 $hidden = array();
 219                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 220                         $hidden[] = Html::hidden( $key, $value );
 221                 }
 222                 $hidden = implode( "\n", $hidden );
 223
 224                 $form = array(
 225                         'namespace' => array(
 226                                 'type' => 'namespaceselect',
 227                                 'name' => 'namespace',
 228                                 'label-message' => 'namespace',
 229                                 'default' => $namespace,
 230                         ),
 231                         'nsinvert' => array(
 232                                 'type' => 'check',
 233                                 'name' => 'invert',
 234                                 'label-message' => 'invert',
 235                                 'default' => $nsinvert,
 236                                 'tooltip' => 'invert',
 237                         ),
 238                         'tagFilter' => array(
 239                                 'type' => 'tagfilter',
 240                                 'name' => 'tagfilter',
 241                                 'label-raw' => $this->msg( 'tag-filter' )->parse(),
 242                                 'default' => $tagFilterVal,
 243                         ),
 244                         'username' => array(
 245                                 'type' => 'text',
 246                                 'name' => 'username',
 247                                 'label-message' => 'newpages-username',
 248                                 'default' => $userText,
 249                                 'id' => 'mw-np-username',
 250                                 'size' => 30,
 251                                 'cssclass' => 'mw-autocomplete-user', // used by mediawiki.userSuggest
 252                         ),
 253                 );
 254
 255                 $htmlForm = new HTMLForm( $form, $this->getContext() );
 256
 257                 $htmlForm->setSubmitText( $this->msg( 'newpages-submit' )->text() );
 258                 $htmlForm->setSubmitProgressive();
 259                 // The form should be visible on each request (inclusive requests with submitted forms), so
 260                 // return always false here.
 261                 $htmlForm->setSubmitCallback(
 262                         function () {
 263                                 return false;
 264                         }
 265                 );
 266                 $htmlForm->setMethod( 'get' );
 267
 268                 $out->addHtml( Xml::fieldset( $this->msg( 'newpages' )->text() ) );
 269
 270                 $htmlForm->show();
 271
 272                 $out->addHtml(
 273                         Html::rawElement(
 274                                 'div',
 275                                 null,
 276                                 $this->filterLinks()
 277                         ) .
 278                         Xml::closeElement( 'fieldset' )
 279                 );
 280         }
 281
 282         /**
 283          * Format a row, providing the timestamp, links to the page/history,
 284          * size, user links, and a comment
 285          *
 286          * @param object $result Result row
 287          * @return string
 288          */
 289         public function formatRow( $result ) {
 290                 $title = Title::newFromRow( $result );
 291
 292                 # Revision deletion works on revisions, so we should cast one
 293                 $row = array(
 294                         'comment' => $result->rc_comment,
 295                         'deleted' => $result->rc_deleted,
 296                         'user_text' => $result->rc_user_text,
 297                         'user' => $result->rc_user,
 298                 );
 299                 $rev = new Revision( $row );
 300                 $rev->setTitle( $title );
 301
 302                 $classes = array();
 303
 304                 $lang = $this->getLanguage();
 305                 $dm = $lang->getDirMark();
 306
 307                 $spanTime = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 308                         $lang->userTimeAndDate( $result->rc_timestamp, $this->getUser() )
 309                 );
 310                 $time = Linker::linkKnown(
 311                         $title,
 312                         $spanTime,
 313                         array(),
 314                         array( 'oldid' => $result->rc_this_oldid ),
 315                         array()
 316                 );
 317
 318                 $query = $title->isRedirect() ? array( 'redirect' => 'no' ) : array();
 319
 320                 // Linker::linkKnown() uses 'known' and 'noclasses' options.
 321                 // This breaks the colouration for stubs.
 322                 $plink = Linker::link(
 323                         $title,
 324                         null,
 325                         array( 'class' => 'mw-newpages-pagename' ),
 326                         $query,
 327                         array( 'known' )
 328                 );
 329                 $histLink = Linker::linkKnown(
 330                         $title,
 331                         $this->msg( 'hist' )->escaped(),
 332                         array(),
 333                         array( 'action' => 'history' )
 334                 );
 335                 $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ),
 336                         $this->msg( 'parentheses' )->rawParams( $histLink )->escaped() );
 337
 338                 $length = Html::rawElement(
 339                         'span',
 340                         array( 'class' => 'mw-newpages-length' ),
 341                         $this->msg( 'brackets' )->rawParams(
 342                                 $this->msg( 'nbytes' )->numParams( $result->length )->escaped()
 343                         )->escaped()
 344                 );
 345
 346                 $ulink = Linker::revUserTools( $rev );
 347                 $comment = Linker::revComment( $rev );
 348
 349                 if ( $this->patrollable( $result ) ) {
 350                         $classes[] = 'not-patrolled';
 351                 }
 352
 353                 # Add a class for zero byte pages
 354                 if ( $result->length == 0 ) {
 355                         $classes[] = 'mw-newpages-zero-byte-page';
 356                 }
 357
 358                 # Tags, if any.
 359                 if ( isset( $result->ts_tags ) ) {
 360                         list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow(
 361                                 $result->ts_tags,
 362                                 'newpages'
 363                         );
 364                         $classes = array_merge( $classes, $newClasses );
 365                 } else {
 366                         $tagDisplay = '';
 367                 }
 368
 369                 $css = count( $classes ) ? ' class="' . implode( ' ', $classes ) . '"' : '';
 370
 371                 # Display the old title if the namespace/title has been changed
 372                 $oldTitleText = '';
 373                 $oldTitle = Title::makeTitle( $result->rc_namespace, $result->rc_title );
 374
 375                 if ( !$title->equals( $oldTitle ) ) {
 376                         $oldTitleText = $oldTitle->getPrefixedText();
 377                         $oldTitleText = $this->msg( 'rc-old-title' )->params( $oldTitleText )->escaped();
 378                 }
 379
 380                 return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} "
 381                         . "{$dm}{$ulink} {$comment} {$tagDisplay} {$oldTitleText}</li>\n";
 382         }
 383
 384         /**
 385          * Should a specific result row provide "patrollable" links?
 386          *
 387          * @param object $result Result row
 388          * @return bool
 389          */
 390         protected function patrollable( $result ) {
 391                 return ( $this->getUser()->useNPPatrol() && !$result->rc_patrolled );
 392         }
 393
 394         /**
 395          * Output a subscription feed listing recent edits to this page.
 396          *
 397          * @param string $type
 398          */
 399         protected function feed( $type ) {
 400                 if ( !$this->getConfig()->get( 'Feed' ) ) {
 401                         $this->getOutput()->addWikiMsg( 'feed-unavailable' );
 402
 403                         return;
 404                 }
 405
 406                 $feedClasses = $this->getConfig()->get( 'FeedClasses' );
 407                 if ( !isset( $feedClasses[$type] ) ) {
 408                         $this->getOutput()->addWikiMsg( 'feed-invalid' );
 409
 410                         return;
 411                 }
 412
 413                 $feed = new $feedClasses[$type](
 414                         $this->feedTitle(),
 415                         $this->msg( 'tagline' )->text(),
 416                         $this->getPageTitle()->getFullURL()
 417                 );
 418
 419                 $pager = new NewPagesPager( $this, $this->opts );
 420                 $limit = $this->opts->getValue( 'limit' );
 421                 $pager->mLimit = min( $limit, $this->getConfig()->get( 'FeedLimit' ) );
 422
 423                 $feed->outHeader();
 424                 if ( $pager->getNumRows() > 0 ) {
 425                         foreach ( $pager->mResult as $row ) {
 426                                 $feed->outItem( $this->feedItem( $row ) );
 427                         }
 428                 }
 429                 $feed->outFooter();
 430         }
 431
 432         protected function feedTitle() {
 433                 $desc = $this->getDescription();
 434                 $code = $this->getConfig()->get( 'LanguageCode' );
 435                 $sitename = $this->getConfig()->get( 'Sitename' );
 436
 437                 return "$sitename - $desc [$code]";
 438         }
 439
 440         protected function feedItem( $row ) {
 441                 $title = Title::makeTitle( intval( $row->rc_namespace ), $row->rc_title );
 442                 if ( $title ) {
 443                         $date = $row->rc_timestamp;
 444                         $comments = $title->getTalkPage()->getFullURL();
 445
 446                         return new FeedItem(
 447                                 $title->getPrefixedText(),
 448                                 $this->feedItemDesc( $row ),
 449                                 $title->getFullURL(),
 450                                 $date,
 451                                 $this->feedItemAuthor( $row ),
 452                                 $comments
 453                         );
 454                 } else {
 455                         return null;
 456                 }
 457         }
 458
 459         protected function feedItemAuthor( $row ) {
 460                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 461         }
 462
 463         protected function feedItemDesc( $row ) {
 464                 $revision = Revision::newFromId( $row->rev_id );
 465                 if ( $revision ) {
 466                         // XXX: include content model/type in feed item?
 467                         return '<p>' . htmlspecialchars( $revision->getUserText() ) .
 468                                 $this->msg( 'colon-separator' )->inContentLanguage()->escaped() .
 469                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 470                                 "</p>\n<hr />\n<div>" .
 471                                 nl2br( htmlspecialchars( $revision->getContent()->serialize() ) ) . "</div>";
 472                 }
 473
 474                 return '';
 475         }
 476
 477         protected function getGroupName() {
 478                 return 'changes';
 479         }
 480 }
 481
 482 /**
 483  * @ingroup SpecialPage Pager
 484  */
 485 class NewPagesPager extends ReverseChronologicalPager {
 486         // Stored opts
 487         protected $opts;
 488
 489         /**
 490          * @var HtmlForm
 491          */
 492         protected $mForm;
 493
 494         function __construct( $form, FormOptions $opts ) {
 495                 parent::__construct( $form->getContext() );
 496                 $this->mForm = $form;
 497                 $this->opts = $opts;
 498         }
 499
 500         function getQueryInfo() {
 501                 $conds = array();
 502                 $conds['rc_new'] = 1;
 503
 504                 $namespace = $this->opts->getValue( 'namespace' );
 505                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 506
 507                 $username = $this->opts->getValue( 'username' );
 508                 $user = Title::makeTitleSafe( NS_USER, $username );
 509
 510                 $rcIndexes = array();
 511
 512                 if ( $namespace !== false ) {
 513                         if ( $this->opts->getValue( 'invert' ) ) {
 514                                 $conds[] = 'rc_namespace != ' . $this->mDb->addQuotes( $namespace );
 515                         } else {
 516                                 $conds['rc_namespace'] = $namespace;
 517                         }
 518                 }
 519
 520                 if ( $user ) {
 521                         $conds['rc_user_text'] = $user->getText();
 522                         $rcIndexes = 'rc_user_text';
 523                 } elseif ( User::groupHasPermission( '*', 'createpage' ) &&
 524                         $this->opts->getValue( 'hideliu' )
 525                 ) {
 526                         # If anons cannot make new pages, don't "exclude logged in users"!
 527                         $conds['rc_user'] = 0;
 528                 }
 529
 530                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 531                 if ( $this->opts->getValue( 'hidepatrolled' ) && $this->getUser()->useNPPatrol() ) {
 532                         $conds['rc_patrolled'] = 0;
 533                 }
 534
 535                 if ( $this->opts->getValue( 'hidebots' ) ) {
 536                         $conds['rc_bot'] = 0;
 537                 }
 538
 539                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 540                         $conds['page_is_redirect'] = 0;
 541                 }
 542
 543                 // Allow changes to the New Pages query
 544                 $tables = array( 'recentchanges', 'page' );
 545                 $fields = array(
 546                         'rc_namespace', 'rc_title', 'rc_cur_id', 'rc_user', 'rc_user_text',
 547                         'rc_comment', 'rc_timestamp', 'rc_patrolled', 'rc_id', 'rc_deleted',
 548                         'length' => 'page_len', 'rev_id' => 'page_latest', 'rc_this_oldid',
 549                         'page_namespace', 'page_title'
 550                 );
 551                 $join_conds = array( 'page' => array( 'INNER JOIN', 'page_id=rc_cur_id' ) );
 552
 553                 Hooks::run( 'SpecialNewpagesConditions',
 554                         array( &$this, $this->opts, &$conds, &$tables, &$fields, &$join_conds ) );
 555
 556                 $options = array();
 557
 558                 if ( $rcIndexes ) {
 559                         $options = array( 'USE INDEX' => array( 'recentchanges' => $rcIndexes ) );
 560                 }
 561
 562                 $info = array(
 563                         'tables' => $tables,
 564                         'fields' => $fields,
 565                         'conds' => $conds,
 566                         'options' => $options,
 567                         'join_conds' => $join_conds
 568                 );
 569
 570                 // Modify query for tags
 571                 ChangeTags::modifyDisplayQuery(
 572                         $info['tables'],
 573                         $info['fields'],
 574                         $info['conds'],
 575                         $info['join_conds'],
 576                         $info['options'],
 577                         $this->opts['tagfilter']
 578                 );
 579
 580                 return $info;
 581         }
 582
 583         function getIndexField() {
 584                 return 'rc_timestamp';
 585         }
 586
 587         function formatRow( $row ) {
 588                 return $this->mForm->formatRow( $row );
 589         }
 590
 591         function getStartBody() {
 592                 # Do a batch existence check on pages
 593                 $linkBatch = new LinkBatch();
 594                 foreach ( $this->mResult as $row ) {
 595                         $linkBatch->add( NS_USER, $row->rc_user_text );
 596                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 597                         $linkBatch->add( $row->page_namespace, $row->page_title );
 598                 }
 599                 $linkBatch->execute();
 600
 601                 return '<ul>';
 602         }
 603
 604         function getEndBody() {
 605                 return '</ul>';
 606         }
 607 }