includes/specials/SpecialNewpages.php

   1 <?php
   2
   3 /**
   4  * implements Special:Newpages
   5  * @ingroup SpecialPage
   6  */
   7 class SpecialNewpages extends SpecialPage {
   8
   9         // Stored objects
  10         protected $opts, $skin;
  11
  12         // Some internal settings
  13         protected $showNavigation = false;
  14
  15         public function __construct() {
  16                 parent::__construct( 'Newpages' );
  17                 $this->includable( true );
  18         }
  19
  20         protected function setup( $par ) {
  21                 global $wgRequest, $wgUser, $wgEnableNewpagesUserFilter;
  22
  23                 // Options
  24                 $opts = new FormOptions();
  25                 $this->opts = $opts; // bind
  26                 $opts->add( 'hideliu', false );
  27                 $opts->add( 'hidepatrolled', $wgUser->getBoolOption( 'newpageshidepatrolled' ) );
  28                 $opts->add( 'hidebots', $wgUser->getBoolOption( 'newpageshidebots' ) );
  29                 $opts->add( 'hideown', $wgUser->getBoolOption( 'newpageshideown' ) );
  30                 $opts->add( 'hideredirs', true );
  31                 $opts->add( 'limit', (int)$wgUser->getOption( 'rclimit' ) );
  32                 $opts->add( 'offset', '' );
  33                 $opts->add( 'namespace', '0' );
  34                 $opts->add( 'username', '' );
  35                 $opts->add( 'feed', '' );
  36                 $opts->add( 'tagfilter', '' );
  37
  38                 // Set values
  39                 $opts->fetchValuesFromRequest( $wgRequest );
  40                 if ( $par ) $this->parseParams( $par );
  41
  42                 // Validate
  43                 $opts->validateIntBounds( 'limit', 0, 5000 );
  44                 if( !$wgEnableNewpagesUserFilter ) {
  45                         $opts->setValue( 'username', '' );
  46                 }
  47
  48                 // Store some objects
  49                 $this->skin = $wgUser->getSkin();
  50         }
  51
  52         protected function parseParams( $par ) {
  53                 global $wgLang;
  54                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  55                 foreach ( $bits as $bit ) {
  56                         if ( 'shownav' == $bit )
  57                                 $this->showNavigation = true;
  58                         if ( 'hideliu' === $bit )
  59                                 $this->opts->setValue( 'hideliu', true );
  60                         if ( 'hidepatrolled' == $bit )
  61                                 $this->opts->setValue( 'hidepatrolled', true );
  62                         if ( 'hidebots' == $bit )
  63                                 $this->opts->setValue( 'hidebots', true );
  64                         if ( 'hideown' == $bit )
  65                                 $this->opts->setValue( 'hideown', true );
  66                         if ( 'showredirs' == $bit )
  67                                 $this->opts->setValue( 'hideredirs', false );
  68                         if ( is_numeric( $bit ) )
  69                                 $this->opts->setValue( 'limit', intval( $bit ) );
  70
  71                         $m = array();
  72                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) )
  73                                 $this->opts->setValue( 'limit', intval($m[1]) );
  74                         // PG offsets not just digits!
  75                         if ( preg_match( '/^offset=([^=]+)$/', $bit, $m ) )
  76                                 $this->opts->setValue( 'offset',  intval($m[1]) );
  77                         if ( preg_match( '/^username=(.*)$/', $bit, $m ) )
  78                                 $this->opts->setValue( 'username', $m[1] );
  79                         if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
  80                                 $ns = $wgLang->getNsIndex( $m[1] );
  81                                 if( $ns !== false ) {
  82                                         $this->opts->setValue( 'namespace',  $ns );
  83                                 }
  84                         }
  85                 }
  86         }
  87
  88         /**
  89          * Show a form for filtering namespace and username
  90          *
  91          * @param string $par
  92          * @return string
  93          */
  94         public function execute( $par ) {
  95                 global $wgLang, $wgUser, $wgOut;
  96
  97                 $this->setHeaders();
  98                 $this->outputHeader();
  99
 100                 $this->showNavigation = !$this->including(); // Maybe changed in setup
 101                 $this->setup( $par );
 102
 103                 if( !$this->including() ) {
 104                         // Settings
 105                         $this->form();
 106
 107                         $this->setSyndicated();
 108                         $feedType = $this->opts->getValue( 'feed' );
 109                         if( $feedType ) {
 110                                 return $this->feed( $feedType );
 111                         }
 112                 }
 113
 114                 $pager = new NewPagesPager( $this, $this->opts );
 115                 $pager->mLimit = $this->opts->getValue( 'limit' );
 116                 $pager->mOffset = $this->opts->getValue( 'offset' );
 117
 118                 if( $pager->getNumRows() ) {
 119                         $navigation = '';
 120                         if ( $this->showNavigation ) $navigation = $pager->getNavigationBar();
 121                         $wgOut->addHTML( $navigation . $pager->getBody() . $navigation );
 122                 } else {
 123                         $wgOut->addWikiMsg( 'specialpage-empty' );
 124                 }
 125         }
 126
 127         protected function filterLinks() {
 128                 global $wgGroupPermissions, $wgUser, $wgLang;
 129
 130                 // show/hide links
 131                 $showhide = array( wfMsgHtml( 'show' ), wfMsgHtml( 'hide' ) );
 132
 133                 // Option value -> message mapping
 134                 $filters = array(
 135                         'hideliu' => 'rcshowhideliu',
 136                         'hidepatrolled' => 'rcshowhidepatr',
 137                         'hidebots' => 'rcshowhidebots',
 138                         'hideown' => 'rcshowhidemine',
 139                         'hideredirs' => 'whatlinkshere-hideredirs'
 140                 );
 141
 142                 // Disable some if needed
 143                 if ( $wgGroupPermissions['*']['createpage'] !== true )
 144                         unset($filters['hideliu']);
 145
 146                 if ( !$wgUser->useNPPatrol() )
 147                         unset($filters['hidepatrolled']);
 148
 149                 $links = array();
 150                 $changed = $this->opts->getChangedValues();
 151                 unset($changed['offset']); // Reset offset if query type changes
 152
 153                 $self = $this->getTitle();
 154                 foreach ( $filters as $key => $msg ) {
 155                         $onoff = 1 - $this->opts->getValue($key);
 156                         $link = $this->skin->link( $self, $showhide[$onoff], array(),
 157                                  array( $key => $onoff ) + $changed
 158                         );
 159                         $links[$key] = wfMsgHtml( $msg, $link );
 160                 }
 161
 162                 return $wgLang->pipeList( $links );
 163         }
 164
 165         protected function form() {
 166                 global $wgOut, $wgEnableNewpagesUserFilter, $wgScript;
 167
 168                 // Consume values
 169                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 170                 $namespace = $this->opts->consumeValue( 'namespace' );
 171                 $username = $this->opts->consumeValue( 'username' );
 172
 173                 // Check username input validity
 174                 $ut = Title::makeTitleSafe( NS_USER, $username );
 175                 $userText = $ut ? $ut->getText() : '';
 176
 177                 // Store query values in hidden fields so that form submission doesn't lose them
 178                 $hidden = array();
 179                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 180                         $hidden[] = Xml::hidden( $key, $value );
 181                 }
 182                 $hidden = implode( "\n", $hidden );
 183
 184                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 185                 if ($tagFilter)
 186                         list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 187
 188                 $form = Xml::openElement( 'form', array( 'action' => $wgScript ) ) .
 189                         Xml::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 190                         Xml::fieldset( wfMsg( 'newpages' ) ) .
 191                         Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 192                         "<tr>
 193                                 <td class='mw-label'>" .
 194                                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
 195                                 "</td>
 196                                 <td class='mw-input'>" .
 197                                         Xml::namespaceSelector( $namespace, 'all' ) .
 198                                 "</td>
 199                         </tr>" . ( $tagFilter ? (
 200                         "<tr>
 201                                 <td class='mw-label'>" .
 202                                         $tagFilterLabel .
 203                                 "</td>
 204                                 <td class='mw-input'>" .
 205                                         $tagFilterSelector .
 206                                 "</td>
 207                         </tr>" ) : '' ) .
 208                         ($wgEnableNewpagesUserFilter ?
 209                         "<tr>
 210                                 <td class='mw-label'>" .
 211                                         Xml::label( wfMsg( 'newpages-username' ), 'mw-np-username' ) .
 212                                 "</td>
 213                                 <td class='mw-input'>" .
 214                                         Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 215                                 "</td>
 216                         </tr>" : "" ) .
 217                         "<tr> <td></td>
 218                                 <td class='mw-submit'>" .
 219                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
 220                                 "</td>
 221                         </tr>" .
 222                         "<tr>
 223                                 <td></td>
 224                                 <td class='mw-input'>" .
 225                                         $this->filterLinks() .
 226                                 "</td>
 227                         </tr>" .
 228                         Xml::closeElement( 'table' ) .
 229                         Xml::closeElement( 'fieldset' ) .
 230                         $hidden .
 231                         Xml::closeElement( 'form' );
 232
 233                 $wgOut->addHTML( $form );
 234         }
 235
 236         protected function setSyndicated() {
 237                 global $wgOut;
 238                 $queryParams = array(
 239                         'namespace' => $this->opts->getValue( 'namespace' ),
 240                         'username' => $this->opts->getValue( 'username' )
 241                 );
 242                 $wgOut->setSyndicated( true );
 243                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $queryParams ) );
 244         }
 245
 246         /**
 247          * Format a row, providing the timestamp, links to the page/history, size, user links, and a comment
 248          *
 249          * @param $skin Skin to use
 250          * @param $result Result row
 251          * @return string
 252          */
 253         public function formatRow( $result ) {
 254                 global $wgLang, $wgContLang, $wgUser;
 255
 256                 $classes = array();
 257
 258                 $dm = $wgContLang->getDirMark();
 259
 260                 $title = Title::makeTitleSafe( $result->rc_namespace, $result->rc_title );
 261                 $time = $wgLang->timeAndDate( $result->rc_timestamp, true );
 262                 $query = $this->patrollable( $result ) ? "rcid={$result->rc_id}&redirect=no" : 'redirect=no';
 263                 $plink = $this->skin->makeKnownLinkObj( $title, '', $query );
 264                 $hist = $this->skin->makeKnownLinkObj( $title, wfMsgHtml( 'hist' ), 'action=history' );
 265                 $length = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
 266                         $wgLang->formatNum( $result->length ) );
 267                 $ulink = $this->skin->userLink( $result->rc_user, $result->rc_user_text ) . ' ' .
 268                         $this->skin->userToolLinks( $result->rc_user, $result->rc_user_text );
 269                 $comment = $this->skin->commentBlock( $result->rc_comment );
 270
 271                 if ( $this->patrollable( $result ) )
 272                         $classes[] = 'not-patrolled';
 273
 274                 # Tags, if any.
 275                 list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow( $result->ts_tags, 'newpages' );
 276                 $classes = array_merge( $classes, $newClasses );
 277
 278                 $css = count($classes) ? ' class="'.implode( " ", $classes).'"' : '';
 279
 280                 return "<li{$css}>{$time} {$dm}{$plink} ({$hist}) {$dm}[{$length}] {$dm}{$ulink} {$comment} {$tagDisplay}</li>\n";
 281         }
 282
 283         /**
 284          * Should a specific result row provide "patrollable" links?
 285          *
 286          * @param $result Result row
 287          * @return bool
 288          */
 289         protected function patrollable( $result ) {
 290                 global $wgUser;
 291                 return ( $wgUser->useNPPatrol() && !$result->rc_patrolled );
 292         }
 293
 294         /**
 295          * Output a subscription feed listing recent edits to this page.
 296          * @param string $type
 297          */
 298         protected function feed( $type ) {
 299                 global $wgFeed, $wgFeedClasses, $wgFeedLimit;
 300
 301                 if ( !$wgFeed ) {
 302                         global $wgOut;
 303                         $wgOut->addWikiMsg( 'feed-unavailable' );
 304                         return;
 305                 }
 306
 307                 if( !isset( $wgFeedClasses[$type] ) ) {
 308                         global $wgOut;
 309                         $wgOut->addWikiMsg( 'feed-invalid' );
 310                         return;
 311                 }
 312
 313                 $feed = new $wgFeedClasses[$type](
 314                         $this->feedTitle(),
 315                         wfMsgExt( 'tagline', 'parsemag' ),
 316                         $this->getTitle()->getFullUrl() );
 317
 318                 $pager = new NewPagesPager( $this, $this->opts );
 319                 $limit = $this->opts->getValue( 'limit' );
 320                 $pager->mLimit = min( $limit, $wgFeedLimit );
 321
 322                 $feed->outHeader();
 323                 if( $pager->getNumRows() > 0 ) {
 324                         while( $row = $pager->mResult->fetchObject() ) {
 325                                 $feed->outItem( $this->feedItem( $row ) );
 326                         }
 327                 }
 328                 $feed->outFooter();
 329         }
 330
 331         protected function feedTitle() {
 332                 global $wgContLanguageCode, $wgSitename;
 333                 $page = SpecialPage::getPage( 'Newpages' );
 334                 $desc = $page->getDescription();
 335                 return "$wgSitename - $desc [$wgContLanguageCode]";
 336         }
 337
 338         protected function feedItem( $row ) {
 339                 $title = Title::MakeTitle( intval( $row->rc_namespace ), $row->rc_title );
 340                 if( $title ) {
 341                         $date = $row->rc_timestamp;
 342                         $comments = $title->getTalkPage()->getFullURL();
 343
 344                         return new FeedItem(
 345                                 $title->getPrefixedText(),
 346                                 $this->feedItemDesc( $row ),
 347                                 $title->getFullURL(),
 348                                 $date,
 349                                 $this->feedItemAuthor( $row ),
 350                                 $comments);
 351                 } else {
 352                         return NULL;
 353                 }
 354         }
 355
 356         protected function feedItemAuthor( $row ) {
 357                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 358         }
 359
 360         protected function feedItemDesc( $row ) {
 361                 $revision = Revision::newFromId( $row->rev_id );
 362                 if( $revision ) {
 363                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 364                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 365                                 "</p>\n<hr />\n<div>" .
 366                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 367                 }
 368                 return '';
 369         }
 370 }
 371
 372 /**
 373  * @ingroup SpecialPage Pager
 374  */
 375 class NewPagesPager extends ReverseChronologicalPager {
 376         // Stored opts
 377         protected $opts, $mForm;
 378
 379         function __construct( $form, FormOptions $opts ) {
 380                 parent::__construct();
 381                 $this->mForm = $form;
 382                 $this->opts = $opts;
 383         }
 384
 385         function getTitle() {
 386                 static $title = null;
 387                 if ( $title === null )
 388                         $title = $this->mForm->getTitle();
 389                 return $title;
 390         }
 391
 392         function getQueryInfo() {
 393                 global $wgEnableNewpagesUserFilter, $wgGroupPermissions, $wgUser;
 394                 $dbr = wfGetDB( DB_SLAVE );
 395                 $conds = array();
 396                 $conds['rc_new'] = 1;
 397
 398                 $namespace = $this->opts->getValue( 'namespace' );
 399                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 400
 401                 $username = $this->opts->getValue( 'username' );
 402                 $user = Title::makeTitleSafe( NS_USER, $username );
 403
 404                 if( $namespace !== false ) {
 405                         $conds['rc_namespace'] = $namespace;
 406                         $rcIndexes = array( 'new_name_timestamp' );
 407                 } else {
 408                         $rcIndexes = array( 'rc_timestamp' );
 409                 }
 410
 411                 # $wgEnableNewpagesUserFilter - temp WMF hack
 412                 if( $wgEnableNewpagesUserFilter && $user ) {
 413                         $conds['rc_user_text'] = $user->getText();
 414                         $rcIndexes = 'rc_user_text';
 415                 # If anons cannot make new pages, don't "exclude logged in users"!
 416                 } elseif( $wgGroupPermissions['*']['createpage'] && $this->opts->getValue( 'hideliu' ) ) {
 417                         $conds['rc_user'] = 0;
 418                 }
 419                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 420                 if( $this->opts->getValue( 'hidepatrolled' ) && $wgUser->useNPPatrol() ) {
 421                         $conds['rc_patrolled'] = 0;
 422                 }
 423                 if( $this->opts->getValue( 'hidebots' ) ) {
 424                         $conds['rc_bot'] = 0;
 425                 }
 426                 if( $this->opts->getValue( 'hideown' ) ) {
 427                         if( $wgUser->getId() ) {
 428                                 $conds[] = 'rc_user != ' . $dbr->addQuotes( $wgUser->getId() );
 429                         } else {
 430                                 $conds[] = 'rc_user_text != ' . $dbr->addQuotes( $wgUser->getName() );
 431                         }
 432                 }
 433                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 434                         $conds['page_is_redirect'] = 0;
 435                 }
 436
 437                 $info = array(
 438                         'tables' => array( 'recentchanges', 'page' ),
 439                         'fields' => 'rc_namespace,rc_title, rc_cur_id, rc_user,rc_user_text,rc_comment,
 440                                 rc_timestamp,rc_patrolled,rc_id,page_len as length, page_latest as rev_id, ts_tags',
 441                         'conds' => $conds,
 442                         'options' => array( 'USE INDEX' => array('recentchanges' => $rcIndexes) ),
 443                         'join_conds' => array(
 444                                 'page' => array('INNER JOIN', 'page_id=rc_cur_id'),
 445                         ),
 446                 );
 447
 448                 ## Empty array for fields, it'll be set by us anyway.
 449                 $fields = array();
 450
 451                 ## Modify query for tags
 452                 ChangeTags::modifyDisplayQuery( $info['tables'],
 453                                                                                 $fields,
 454                                                                                 $info['conds'],
 455                                                                                 $info['join_conds'],
 456                                                                                 $info['options'],
 457                                                                                 $this->opts['tagfilter'] );
 458
 459                 return $info;
 460         }
 461
 462         function getIndexField() {
 463                 return 'rc_timestamp';
 464         }
 465
 466         function formatRow( $row ) {
 467                 return $this->mForm->formatRow( $row );
 468         }
 469
 470         function getStartBody() {
 471                 # Do a batch existence check on pages
 472                 $linkBatch = new LinkBatch();
 473                 while( $row = $this->mResult->fetchObject() ) {
 474                         $linkBatch->add( NS_USER, $row->rc_user_text );
 475                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 476                         $linkBatch->add( $row->rc_namespace, $row->rc_title );
 477                 }
 478                 $linkBatch->execute();
 479                 return "<ul>";
 480         }
 481
 482         function getEndBody() {
 483                 return "</ul>";
 484         }
 485 }