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