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                 wfRunHooks( '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( $par );
 129
 130                 if ( !$this->including() ) {
 131                         // Settings
 132                         $this->form();
 133
 134                         $feedType = $this->opts->getValue( 'feed' );
 135                         if ( $feedType ) {
 136                                 $this->feed( $feedType );
 137
 138                                 return;
 139                         }
 140
 141                         $allValues = $this->opts->getAllValues();
 142                         unset( $allValues['feed'] );
 143                         $out->setFeedAppendQuery( wfArrayToCgi( $allValues ) );
 144                 }
 145
 146                 $pager = new NewPagesPager( $this, $this->opts );
 147                 $pager->mLimit = $this->opts->getValue( 'limit' );
 148                 $pager->mOffset = $this->opts->getValue( 'offset' );
 149
 150                 if ( $pager->getNumRows() ) {
 151                         $navigation = '';
 152                         if ( $this->showNavigation ) {
 153                                 $navigation = $pager->getNavigationBar();
 154                         }
 155                         $out->addHTML( $navigation . $pager->getBody() . $navigation );
 156                 } else {
 157                         $out->addWikiMsg( 'specialpage-empty' );
 158                 }
 159         }
 160
 161         protected function filterLinks() {
 162                 // show/hide links
 163                 $showhide = array( $this->msg( 'show' )->escaped(), $this->msg( 'hide' )->escaped() );
 164
 165                 // Option value -> message mapping
 166                 $filters = array(
 167                         'hideliu' => 'rcshowhideliu',
 168                         'hidepatrolled' => 'rcshowhidepatr',
 169                         'hidebots' => 'rcshowhidebots',
 170                         'hideredirs' => 'whatlinkshere-hideredirs'
 171                 );
 172                 foreach ( $this->customFilters as $key => $params ) {
 173                         $filters[$key] = $params['msg'];
 174                 }
 175
 176                 // Disable some if needed
 177                 if ( !User::groupHasPermission( '*', 'createpage' ) ) {
 178                         unset( $filters['hideliu'] );
 179                 }
 180                 if ( !$this->getUser()->useNPPatrol() ) {
 181                         unset( $filters['hidepatrolled'] );
 182                 }
 183
 184                 $links = array();
 185                 $changed = $this->opts->getChangedValues();
 186                 unset( $changed['offset'] ); // Reset offset if query type changes
 187
 188                 $self = $this->getPageTitle();
 189                 foreach ( $filters as $key => $msg ) {
 190                         $onoff = 1 - $this->opts->getValue( $key );
 191                         $link = Linker::link( $self, $showhide[$onoff], array(),
 192                                 array( $key => $onoff ) + $changed
 193                         );
 194                         $links[$key] = $this->msg( $msg )->rawParams( $link )->escaped();
 195                 }
 196
 197                 return $this->getLanguage()->pipeList( $links );
 198         }
 199
 200         protected function form() {
 201                 // Consume values
 202                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 203                 $namespace = $this->opts->consumeValue( 'namespace' );
 204                 $username = $this->opts->consumeValue( 'username' );
 205                 $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 206                 $nsinvert = $this->opts->consumeValue( 'invert' );
 207
 208                 // Check username input validity
 209                 $ut = Title::makeTitleSafe( NS_USER, $username );
 210                 $userText = $ut ? $ut->getText() : '';
 211
 212                 // Store query values in hidden fields so that form submission doesn't lose them
 213                 $hidden = array();
 214                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 215                         $hidden[] = Html::hidden( $key, $value );
 216                 }
 217                 $hidden = implode( "\n", $hidden );
 218
 219                 $tagFilter = ChangeTags::buildTagFilterSelector( $tagFilterVal );
 220                 if ( $tagFilter ) {
 221                         list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 222                 }
 223
 224                 $form = Xml::openElement( 'form', array( 'action' => wfScript() ) ) .
 225                         Html::hidden( 'title', $this->getPageTitle()->getPrefixedDBkey() ) .
 226                         Xml::fieldset( $this->msg( 'newpages' )->text() ) .
 227                         Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 228                         '<tr>
 229                                 <td class="mw-label">' .
 230                         Xml::label( $this->msg( 'namespace' )->text(), 'namespace' ) .
 231                         '</td>
 232                         <td class="mw-input">' .
 233                         Html::namespaceSelector(
 234                                 array(
 235                                         'selected' => $namespace,
 236                                         'all' => 'all',
 237                                 ), array(
 238                                         'name' => 'namespace',
 239                                         'id' => 'namespace',
 240                                         'class' => 'namespaceselector',
 241                                 )
 242                         ) . '&#160;' .
 243                         Xml::checkLabel(
 244                                 $this->msg( 'invert' )->text(),
 245                                 'invert',
 246                                 'nsinvert',
 247                                 $nsinvert,
 248                                 array( 'title' => $this->msg( 'tooltip-invert' )->text() )
 249                         ) .
 250                         '</td>
 251                         </tr>' . ( $tagFilter ? (
 252                         '<tr>
 253                                 <td class="mw-label">' .
 254                                 $tagFilterLabel .
 255                                 '</td>
 256                                 <td class="mw-input">' .
 257                                 $tagFilterSelector .
 258                                 '</td>
 259                         </tr>' ) : '' ) .
 260                         '<tr>
 261                                 <td class="mw-label">' .
 262                                         Xml::label( $this->msg( 'newpages-username' )->text(), 'mw-np-username' ) .
 263                                         '</td>
 264                                 <td class="mw-input">' .
 265                                         Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 266                                         '</td>
 267                         </tr>' .
 268                         '<tr> <td></td>
 269                                 <td class="mw-submit">' .
 270                         Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) .
 271                         '</td>
 272                 </tr>' .
 273                         '<tr>
 274                                 <td></td>
 275                                 <td class="mw-input">' .
 276                         $this->filterLinks() .
 277                         '</td>
 278                         </tr>' .
 279                         Xml::closeElement( 'table' ) .
 280                         Xml::closeElement( 'fieldset' ) .
 281                         $hidden .
 282                         Xml::closeElement( 'form' );
 283
 284                 $this->getOutput()->addHTML( $form );
 285         }
 286
 287         /**
 288          * Format a row, providing the timestamp, links to the page/history,
 289          * size, user links, and a comment
 290          *
 291          * @param object $result Result row
 292          * @return string
 293          */
 294         public function formatRow( $result ) {
 295                 $title = Title::newFromRow( $result );
 296
 297                 # Revision deletion works on revisions, so we should cast one
 298                 $row = array(
 299                         'comment' => $result->rc_comment,
 300                         'deleted' => $result->rc_deleted,
 301                         'user_text' => $result->rc_user_text,
 302                         'user' => $result->rc_user,
 303                 );
 304                 $rev = new Revision( $row );
 305                 $rev->setTitle( $title );
 306
 307                 $classes = array();
 308
 309                 $lang = $this->getLanguage();
 310                 $dm = $lang->getDirMark();
 311
 312                 $spanTime = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 313                         $lang->userTimeAndDate( $result->rc_timestamp, $this->getUser() )
 314                 );
 315                 $time = Linker::linkKnown(
 316                         $title,
 317                         $spanTime,
 318                         array(),
 319                         array( 'oldid' => $result->rc_this_oldid ),
 320                         array()
 321                 );
 322
 323                 $query = array( 'redirect' => 'no' );
 324
 325                 // Linker::linkKnown() uses 'known' and 'noclasses' options.
 326                 // This breaks the colouration for stubs.
 327                 $plink = Linker::link(
 328                         $title,
 329                         null,
 330                         array( 'class' => 'mw-newpages-pagename' ),
 331                         $query,
 332                         array( 'known' )
 333                 );
 334                 $histLink = Linker::linkKnown(
 335                         $title,
 336                         $this->msg( 'hist' )->escaped(),
 337                         array(),
 338                         array( 'action' => 'history' )
 339                 );
 340                 $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ),
 341                         $this->msg( 'parentheses' )->rawParams( $histLink )->escaped() );
 342
 343                 $length = Html::element(
 344                         'span',
 345                         array( 'class' => 'mw-newpages-length' ),
 346                         $this->msg( 'brackets' )->params( $this->msg( 'nbytes' )
 347                                 ->numParams( $result->length )->text()
 348                         )
 349                 );
 350
 351                 $ulink = Linker::revUserTools( $rev );
 352                 $comment = Linker::revComment( $rev );
 353
 354                 if ( $this->patrollable( $result ) ) {
 355                         $classes[] = 'not-patrolled';
 356                 }
 357
 358                 # Add a class for zero byte pages
 359                 if ( $result->length == 0 ) {
 360                         $classes[] = 'mw-newpages-zero-byte-page';
 361                 }
 362
 363                 # Tags, if any.
 364                 if ( isset( $result->ts_tags ) ) {
 365                         list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow(
 366                                 $result->ts_tags,
 367                                 'newpages'
 368                         );
 369                         $classes = array_merge( $classes, $newClasses );
 370                 } else {
 371                         $tagDisplay = '';
 372                 }
 373
 374                 $css = count( $classes ) ? ' class="' . implode( ' ', $classes ) . '"' : '';
 375
 376                 # Display the old title if the namespace/title has been changed
 377                 $oldTitleText = '';
 378                 $oldTitle = Title::makeTitle( $result->rc_namespace, $result->rc_title );
 379
 380                 if ( !$title->equals( $oldTitle ) ) {
 381                         $oldTitleText = $oldTitle->getPrefixedText();
 382                         $oldTitleText = $this->msg( 'rc-old-title' )->params( $oldTitleText )->escaped();
 383                 }
 384
 385                 return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} "
 386                         . "{$dm}{$ulink} {$comment} {$tagDisplay} {$oldTitleText}</li>\n";
 387         }
 388
 389         /**
 390          * Should a specific result row provide "patrollable" links?
 391          *
 392          * @param object $result Result row
 393          * @return bool
 394          */
 395         protected function patrollable( $result ) {
 396                 return ( $this->getUser()->useNPPatrol() && !$result->rc_patrolled );
 397         }
 398
 399         /**
 400          * Output a subscription feed listing recent edits to this page.
 401          *
 402          * @param string $type
 403          */
 404         protected function feed( $type ) {
 405                 if ( !$this->getConfig()->get( 'Feed' ) ) {
 406                         $this->getOutput()->addWikiMsg( 'feed-unavailable' );
 407
 408                         return;
 409                 }
 410
 411                 $feedClasses = $this->getConfig()->get( 'FeedClasses' );
 412                 if ( !isset( $feedClasses[$type] ) ) {
 413                         $this->getOutput()->addWikiMsg( 'feed-invalid' );
 414
 415                         return;
 416                 }
 417
 418                 $feed = new $feedClasses[$type](
 419                         $this->feedTitle(),
 420                         $this->msg( 'tagline' )->text(),
 421                         $this->getPageTitle()->getFullURL()
 422                 );
 423
 424                 $pager = new NewPagesPager( $this, $this->opts );
 425                 $limit = $this->opts->getValue( 'limit' );
 426                 $pager->mLimit = min( $limit, $this->getConfig()->get( 'FeedLimit' ) );
 427
 428                 $feed->outHeader();
 429                 if ( $pager->getNumRows() > 0 ) {
 430                         foreach ( $pager->mResult as $row ) {
 431                                 $feed->outItem( $this->feedItem( $row ) );
 432                         }
 433                 }
 434                 $feed->outFooter();
 435         }
 436
 437         protected function feedTitle() {
 438                 $desc = $this->getDescription();
 439                 $code = $this->getConfig()->get( 'LanguageCode' );
 440                 $sitename = $this->getConfig()->get( 'Sitename' );
 441
 442                 return "$sitename - $desc [$code]";
 443         }
 444
 445         protected function feedItem( $row ) {
 446                 $title = Title::makeTitle( intval( $row->rc_namespace ), $row->rc_title );
 447                 if ( $title ) {
 448                         $date = $row->rc_timestamp;
 449                         $comments = $title->getTalkPage()->getFullURL();
 450
 451                         return new FeedItem(
 452                                 $title->getPrefixedText(),
 453                                 $this->feedItemDesc( $row ),
 454                                 $title->getFullURL(),
 455                                 $date,
 456                                 $this->feedItemAuthor( $row ),
 457                                 $comments
 458                         );
 459                 } else {
 460                         return null;
 461                 }
 462         }
 463
 464         protected function feedItemAuthor( $row ) {
 465                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 466         }
 467
 468         protected function feedItemDesc( $row ) {
 469                 $revision = Revision::newFromId( $row->rev_id );
 470                 if ( $revision ) {
 471                         //XXX: include content model/type in feed item?
 472                         return '<p>' . htmlspecialchars( $revision->getUserText() ) .
 473                                 $this->msg( 'colon-separator' )->inContentLanguage()->escaped() .
 474                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 475                                 "</p>\n<hr />\n<div>" .
 476                                 nl2br( htmlspecialchars( $revision->getContent()->serialize() ) ) . "</div>";
 477                 }
 478
 479                 return '';
 480         }
 481
 482         protected function getGroupName() {
 483                 return 'changes';
 484         }
 485 }
 486
 487 /**
 488  * @ingroup SpecialPage Pager
 489  */
 490 class NewPagesPager extends ReverseChronologicalPager {
 491         // Stored opts
 492         protected $opts;
 493
 494         /**
 495          * @var HtmlForm
 496          */
 497         protected $mForm;
 498
 499         function __construct( $form, FormOptions $opts ) {
 500                 parent::__construct( $form->getContext() );
 501                 $this->mForm = $form;
 502                 $this->opts = $opts;
 503         }
 504
 505         function getQueryInfo() {
 506                 $conds = array();
 507                 $conds['rc_new'] = 1;
 508
 509                 $namespace = $this->opts->getValue( 'namespace' );
 510                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 511
 512                 $username = $this->opts->getValue( 'username' );
 513                 $user = Title::makeTitleSafe( NS_USER, $username );
 514
 515                 $rcIndexes = array();
 516
 517                 if ( $namespace !== false ) {
 518                         if ( $this->opts->getValue( 'invert' ) ) {
 519                                 $conds[] = 'rc_namespace != ' . $this->mDb->addQuotes( $namespace );
 520                         } else {
 521                                 $conds['rc_namespace'] = $namespace;
 522                         }
 523                 }
 524
 525                 if ( $user ) {
 526                         $conds['rc_user_text'] = $user->getText();
 527                         $rcIndexes = 'rc_user_text';
 528                 } elseif ( User::groupHasPermission( '*', 'createpage' ) &&
 529                         $this->opts->getValue( 'hideliu' )
 530                 ) {
 531                         # If anons cannot make new pages, don't "exclude logged in users"!
 532                         $conds['rc_user'] = 0;
 533                 }
 534
 535                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 536                 if ( $this->opts->getValue( 'hidepatrolled' ) && $this->getUser()->useNPPatrol() ) {
 537                         $conds['rc_patrolled'] = 0;
 538                 }
 539
 540                 if ( $this->opts->getValue( 'hidebots' ) ) {
 541                         $conds['rc_bot'] = 0;
 542                 }
 543
 544                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 545                         $conds['page_is_redirect'] = 0;
 546                 }
 547
 548                 // Allow changes to the New Pages query
 549                 $tables = array( 'recentchanges', 'page' );
 550                 $fields = array(
 551                         'rc_namespace', 'rc_title', 'rc_cur_id', 'rc_user', 'rc_user_text',
 552                         'rc_comment', 'rc_timestamp', 'rc_patrolled', 'rc_id', 'rc_deleted',
 553                         'length' => 'page_len', 'rev_id' => 'page_latest', 'rc_this_oldid',
 554                         'page_namespace', 'page_title'
 555                 );
 556                 $join_conds = array( 'page' => array( 'INNER JOIN', 'page_id=rc_cur_id' ) );
 557
 558                 wfRunHooks( 'SpecialNewpagesConditions',
 559                         array( &$this, $this->opts, &$conds, &$tables, &$fields, &$join_conds ) );
 560
 561                 $options = array();
 562
 563                 if ( $rcIndexes ) {
 564                         $options = array( 'USE INDEX' => array( 'recentchanges' => $rcIndexes ) );
 565                 }
 566
 567                 $info = array(
 568                         'tables' => $tables,
 569                         'fields' => $fields,
 570                         'conds' => $conds,
 571                         'options' => $options,
 572                         'join_conds' => $join_conds
 573                 );
 574
 575                 // Modify query for tags
 576                 ChangeTags::modifyDisplayQuery(
 577                         $info['tables'],
 578                         $info['fields'],
 579                         $info['conds'],
 580                         $info['join_conds'],
 581                         $info['options'],
 582                         $this->opts['tagfilter']
 583                 );
 584
 585                 return $info;
 586         }
 587
 588         function getIndexField() {
 589                 return 'rc_timestamp';
 590         }
 591
 592         function formatRow( $row ) {
 593                 return $this->mForm->formatRow( $row );
 594         }
 595
 596         function getStartBody() {
 597                 # Do a batch existence check on pages
 598                 $linkBatch = new LinkBatch();
 599                 foreach ( $this->mResult as $row ) {
 600                         $linkBatch->add( NS_USER, $row->rc_user_text );
 601                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 602                         $linkBatch->add( $row->rc_namespace, $row->rc_title );
 603                 }
 604                 $linkBatch->execute();
 605
 606                 return '<ul>';
 607         }
 608
 609         function getEndBody() {
 610                 return '</ul>';
 611         }
 612 }