includes/specials/SpecialContributions.php

   1 <?php
   2 /**
   3  * Implements Special:Contributions
   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  * Special:Contributions, show user contributions in a paged list
  26  *
  27  * @ingroup SpecialPage
  28  */
  29
  30 class SpecialContributions extends SpecialPage {
  31
  32         protected $opts;
  33
  34         public function __construct() {
  35                 parent::__construct( 'Contributions' );
  36         }
  37
  38         public function execute( $par ) {
  39                 $this->setHeaders();
  40                 $this->outputHeader();
  41                 $out = $this->getOutput();
  42                 $out->addModuleStyles( 'mediawiki.special' );
  43
  44                 $this->opts = array();
  45                 $request = $this->getRequest();
  46
  47                 if ( $par !== null ) {
  48                         $target = $par;
  49                 } else {
  50                         $target = $request->getVal( 'target' );
  51                 }
  52
  53                 // check for radiobox
  54                 if ( $request->getVal( 'contribs' ) == 'newbie' ) {
  55                         $target = 'newbies';
  56                         $this->opts['contribs'] = 'newbie';
  57                 } elseif ( $par === 'newbies' ) { // b/c for WMF
  58                         $target = 'newbies';
  59                         $this->opts['contribs'] = 'newbie';
  60                 } else {
  61                         $this->opts['contribs'] = 'user';
  62                 }
  63
  64                 $this->opts['deletedOnly'] = $request->getBool( 'deletedOnly' );
  65
  66                 if ( !strlen( $target ) ) {
  67                         $out->addHTML( $this->getForm() );
  68                         return;
  69                 }
  70
  71                 $user = $this->getUser();
  72
  73                 $this->opts['limit'] = $request->getInt( 'limit', $user->getOption( 'rclimit' ) );
  74                 $this->opts['target'] = $target;
  75                 $this->opts['topOnly'] = $request->getBool( 'topOnly' );
  76
  77                 $nt = Title::makeTitleSafe( NS_USER, $target );
  78                 if ( !$nt ) {
  79                         $out->addHTML( $this->getForm() );
  80                         return;
  81                 }
  82                 $userObj = User::newFromName( $nt->getText(), false );
  83                 if ( !$userObj ) {
  84                         $out->addHTML( $this->getForm() );
  85                         return;
  86                 }
  87                 $id = $userObj->getID();
  88
  89                 if ( $this->opts['contribs'] != 'newbie' ) {
  90                         $target = $nt->getText();
  91                         $out->addSubtitle( $this->contributionsSub( $userObj ) );
  92                         $out->setHTMLTitle( $this->msg( 'pagetitle', $this->msg( 'contributions-title', $target )->plain() ) );
  93                         $this->getSkin()->setRelevantUser( $userObj );
  94                 } else {
  95                         $out->addSubtitle( $this->msg( 'sp-contributions-newbies-sub' ) );
  96                         $out->setHTMLTitle( $this->msg( 'pagetitle', $this->msg( 'sp-contributions-newbies-title' )->plain() ) );
  97                 }
  98
  99                 if ( ( $ns = $request->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
 100                         $this->opts['namespace'] = intval( $ns );
 101                 } else {
 102                         $this->opts['namespace'] = '';
 103                 }
 104
 105                 $this->opts['associated'] = $request->getBool( 'associated' );
 106
 107                 $this->opts['nsInvert'] = (bool) $request->getVal( 'nsInvert' );
 108
 109                 $this->opts['tagfilter'] = (string) $request->getVal( 'tagfilter' );
 110
 111                 // Allows reverts to have the bot flag in recent changes. It is just here to
 112                 // be passed in the form at the top of the page
 113                 if ( $user->isAllowed( 'markbotedits' ) && $request->getBool( 'bot' ) ) {
 114                         $this->opts['bot'] = '1';
 115                 }
 116
 117                 $skip = $request->getText( 'offset' ) || $request->getText( 'dir' ) == 'prev';
 118                 # Offset overrides year/month selection
 119                 if ( $skip ) {
 120                         $this->opts['year'] = '';
 121                         $this->opts['month'] = '';
 122                 } else {
 123                         $this->opts['year'] = $request->getIntOrNull( 'year' );
 124                         $this->opts['month'] = $request->getIntOrNull( 'month' );
 125                 }
 126
 127                 $feedType = $request->getVal( 'feed' );
 128                 if ( $feedType ) {
 129                         // Maintain some level of backwards compatability
 130                         // If people request feeds using the old parameters, redirect to API
 131                         $apiParams = array(
 132                                 'action' => 'feedcontributions',
 133                                 'feedformat' => $feedType,
 134                                 'user' => $target,
 135                         );
 136                         if ( $this->opts['topOnly'] ) {
 137                                 $apiParams['toponly'] = true;
 138                         }
 139                         if ( $this->opts['deletedOnly'] ) {
 140                                 $apiParams['deletedonly'] = true;
 141                         }
 142                         if ( $this->opts['tagfilter'] !== '' ) {
 143                                 $apiParams['tagfilter'] = $this->opts['tagfilter'];
 144                         }
 145                         if ( $this->opts['namespace'] !== '' ) {
 146                                 $apiParams['namespace'] = $this->opts['namespace'];
 147                         }
 148                         if ( $this->opts['year'] !== null ) {
 149                                 $apiParams['year'] = $this->opts['year'];
 150                         }
 151                         if ( $this->opts['month'] !== null ) {
 152                                 $apiParams['month'] = $this->opts['month'];
 153                         }
 154
 155                         $url = wfScript( 'api' ) . '?' . wfArrayToCGI( $apiParams );
 156
 157                         $out->redirect( $url, '301' );
 158                         return;
 159                 }
 160
 161                 // Add RSS/atom links
 162                 $this->addFeedLinks( array( 'action' => 'feedcontributions', 'user' => $target ) );
 163
 164                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
 165
 166                         $out->addHTML( $this->getForm() );
 167
 168                         $pager = new ContribsPager( $this->getContext(), array(
 169                                 'target' => $target,
 170                                 'contribs' => $this->opts['contribs'],
 171                                 'namespace' => $this->opts['namespace'],
 172                                 'year' => $this->opts['year'],
 173                                 'month' => $this->opts['month'],
 174                                 'deletedOnly' => $this->opts['deletedOnly'],
 175                                 'topOnly' => $this->opts['topOnly'],
 176                                 'nsInvert' => $this->opts['nsInvert'],
 177                                 'associated' => $this->opts['associated'],
 178                         ) );
 179                         if ( !$pager->getNumRows() ) {
 180                                 $out->addWikiMsg( 'nocontribs', $target );
 181                         } else {
 182                                 # Show a message about slave lag, if applicable
 183                                 $lag = wfGetLB()->safeGetLag( $pager->getDatabase() );
 184                                 if ( $lag > 0 )
 185                                         $out->showLagWarning( $lag );
 186
 187                                 $out->addHTML(
 188                                         '<p>' . $pager->getNavigationBar() . '</p>' .
 189                                         $pager->getBody() .
 190                                         '<p>' . $pager->getNavigationBar() . '</p>'
 191                                 );
 192                         }
 193                         $out->preventClickjacking( $pager->getPreventClickjacking() );
 194
 195
 196                         # Show the appropriate "footer" message - WHOIS tools, etc.
 197                         if ( $this->opts['contribs'] == 'newbie' ) {
 198                                 $message = 'sp-contributions-footer-newbies';
 199                         } elseif( IP::isIPAddress( $target ) ) {
 200                                 $message = 'sp-contributions-footer-anon';
 201                         } elseif( $userObj->isAnon() ) {
 202                                 // No message for non-existing users
 203                                 $message = '';
 204                         } else {
 205                                 $message = 'sp-contributions-footer';
 206                         }
 207
 208                         if( $message ) {
 209                                 if ( !$this->msg( $message, $target )->isDisabled() ) {
 210                                         $out->wrapWikiMsg(
 211                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
 212                                                 array( $message, $target ) );
 213                                 }
 214                         }
 215                 }
 216         }
 217
 218         /**
 219          * Generates the subheading with links
 220          * @param $userObj User object for the target
 221          * @return String: appropriately-escaped HTML to be output literally
 222          * @todo FIXME: Almost the same as getSubTitle in SpecialDeletedContributions.php. Could be combined.
 223          */
 224         protected function contributionsSub( $userObj ) {
 225                 if ( $userObj->isAnon() ) {
 226                         $user = htmlspecialchars( $userObj->getName() );
 227                 } else {
 228                         $user = Linker::link( $userObj->getUserPage(), htmlspecialchars( $userObj->getName() ) );
 229                 }
 230                 $nt = $userObj->getUserPage();
 231                 $talk = $userObj->getTalkPage();
 232                 $links = '';
 233                 if ( $talk ) {
 234                         $tools = $this->getUserLinks( $nt, $talk, $userObj );
 235                         $links = $this->getLanguage()->pipeList( $tools );
 236
 237                         // Show a note if the user is blocked and display the last block log entry.
 238                         // Do not expose the autoblocks, since that may lead to a leak of accounts' IPs,
 239                         // and also this will display a totally irrelevant log entry as a current block.
 240                         if ( $userObj->isBlocked() && $userObj->getBlock()->getType() != Block::TYPE_AUTO ) {
 241                                 $out = $this->getOutput(); // showLogExtract() wants first parameter by reference
 242                                 LogEventsList::showLogExtract(
 243                                         $out,
 244                                         'block',
 245                                         $nt,
 246                                         '',
 247                                         array(
 248                                                 'lim' => 1,
 249                                                 'showIfEmpty' => false,
 250                                                 'msgKey' => array(
 251                                                         $userObj->isAnon() ?
 252                                                                 'sp-contributions-blocked-notice-anon' :
 253                                                                 'sp-contributions-blocked-notice',
 254                                                         $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
 255                                                 ),
 256                                                 'offset' => '' # don't use WebRequest parameter offset
 257                                         )
 258                                 );
 259                         }
 260                 }
 261
 262                 // Old message 'contribsub' had one parameter, but that doesn't work for
 263                 // languages that want to put the "for" bit right after $user but before
 264                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 265                 // otherwise use 'contribsub2'.
 266                 // @todo Should this be removed at some point?
 267                 $oldMsg = $this->msg( 'contribsub' );
 268                 if ( $oldMsg->exists() ) {
 269                         $linksWithParentheses = $this->msg( 'parentheses' )->rawParams( $links )->escaped();
 270                         return $oldMsg->rawParams( "$user $linksWithParentheses" );
 271                 } else {
 272                         return $this->msg( 'contribsub2' )->rawParams( $user, $links );
 273                 }
 274         }
 275
 276         /**
 277          * Links to different places.
 278          * @param $userpage Title: Target user page
 279          * @param $talkpage Title: Talk page
 280          * @param $target User: Target user object
 281          * @return array
 282          */
 283         public function getUserLinks( Title $userpage, Title $talkpage, User $target ) {
 284
 285                 $id = $target->getId();
 286                 $username = $target->getName();
 287
 288                 $tools[] = Linker::link( $talkpage, $this->msg( 'sp-contributions-talk' )->escaped() );
 289
 290                 if ( ( $id !== null ) || ( $id === null && IP::isIPAddress( $username ) ) ) {
 291                         if ( $this->getUser()->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 292                                 if ( $target->isBlocked() ) {
 293                                         $tools[] = Linker::linkKnown( # Change block link
 294                                                 SpecialPage::getTitleFor( 'Block', $username ),
 295                                                 $this->msg( 'change-blocklink' )->escaped()
 296                                         );
 297                                         $tools[] = Linker::linkKnown( # Unblock link
 298                                                 SpecialPage::getTitleFor( 'Unblock', $username ),
 299                                                 $this->msg( 'unblocklink' )->escaped()
 300                                         );
 301                                 } else { # User is not blocked
 302                                         $tools[] = Linker::linkKnown( # Block link
 303                                                 SpecialPage::getTitleFor( 'Block', $username ),
 304                                                 $this->msg( 'blocklink' )->escaped()
 305                                         );
 306                                 }
 307                         }
 308                         # Block log link
 309                         $tools[] = Linker::linkKnown(
 310                                 SpecialPage::getTitleFor( 'Log', 'block' ),
 311                                 $this->msg( 'sp-contributions-blocklog' )->escaped(),
 312                                 array(),
 313                                 array(
 314                                         'page' => $userpage->getPrefixedText()
 315                                 )
 316                         );
 317                 }
 318                 # Uploads
 319                 $tools[] = Linker::linkKnown(
 320                         SpecialPage::getTitleFor( 'Listfiles', $username ),
 321                         $this->msg( 'sp-contributions-uploads' )->escaped()
 322                 );
 323
 324                 # Other logs link
 325                 $tools[] = Linker::linkKnown(
 326                         SpecialPage::getTitleFor( 'Log', $username ),
 327                         $this->msg( 'sp-contributions-logs' )->escaped()
 328                 );
 329
 330                 # Add link to deleted user contributions for priviledged users
 331                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 332                         $tools[] = Linker::linkKnown(
 333                                 SpecialPage::getTitleFor( 'DeletedContributions', $username ),
 334                                 $this->msg( 'sp-contributions-deleted' )->escaped()
 335                         );
 336                 }
 337
 338                 # Add a link to change user rights for privileged users
 339                 $userrightsPage = new UserrightsPage();
 340                 $userrightsPage->setContext( $this->getContext() );
 341                 if ( $userrightsPage->userCanChangeRights( $target ) ) {
 342                         $tools[] = Linker::linkKnown(
 343                                 SpecialPage::getTitleFor( 'Userrights', $username ),
 344                                 $this->msg( 'sp-contributions-userrights' )->escaped()
 345                         );
 346                 }
 347
 348                 wfRunHooks( 'ContributionsToolLinks', array( $id, $userpage, &$tools ) );
 349                 return $tools;
 350         }
 351
 352         /**
 353          * Generates the namespace selector form with hidden attributes.
 354          * @return String: HTML fragment
 355          */
 356         protected function getForm() {
 357                 global $wgScript;
 358
 359                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 360                 if ( !isset( $this->opts['target'] ) ) {
 361                         $this->opts['target'] = '';
 362                 } else {
 363                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 364                 }
 365
 366                 if ( !isset( $this->opts['namespace'] ) ) {
 367                         $this->opts['namespace'] = '';
 368                 }
 369
 370                 if ( !isset( $this->opts['nsInvert'] ) ) {
 371                         $this->opts['nsInvert'] = '';
 372                 }
 373
 374                 if ( !isset( $this->opts['associated'] ) ) {
 375                         $this->opts['associated'] = false;
 376                 }
 377
 378                 if ( !isset( $this->opts['contribs'] ) ) {
 379                         $this->opts['contribs'] = 'user';
 380                 }
 381
 382                 if ( !isset( $this->opts['year'] ) ) {
 383                         $this->opts['year'] = '';
 384                 }
 385
 386                 if ( !isset( $this->opts['month'] ) ) {
 387                         $this->opts['month'] = '';
 388                 }
 389
 390                 if ( $this->opts['contribs'] == 'newbie' ) {
 391                         $this->opts['target'] = '';
 392                 }
 393
 394                 if ( !isset( $this->opts['tagfilter'] ) ) {
 395                         $this->opts['tagfilter'] = '';
 396                 }
 397
 398                 if ( !isset( $this->opts['topOnly'] ) ) {
 399                         $this->opts['topOnly'] = false;
 400                 }
 401
 402                 $form = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
 403
 404                 # Add hidden params for tracking except for parameters in $skipParameters
 405                 $skipParameters = array( 'namespace', 'nsInvert', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly', 'associated' );
 406                 foreach ( $this->opts as $name => $value ) {
 407                         if ( in_array( $name, $skipParameters ) ) {
 408                                 continue;
 409                         }
 410                         $form .= "\t" . Html::hidden( $name, $value ) . "\n";
 411                 }
 412
 413                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 414
 415                 if ( $tagFilter ) {
 416                         $filterSelection =
 417                                 Xml::tags( 'td', array( 'class' => 'mw-label' ), array_shift( $tagFilter ) ) .
 418                                 Xml::tags( 'td', array( 'class' => 'mw-input' ), implode( '&#160', $tagFilter ) );
 419                 } else {
 420                         $filterSelection = Xml::tags( 'td', array( 'colspan' => 2 ), '' );
 421                 }
 422
 423                 $targetSelection = Xml::tags( 'td', array( 'colspan' => 2 ),
 424                         Xml::radioLabel(
 425                                 $this->msg( 'sp-contributions-newbies' )->text(),
 426                                 'contribs',
 427                                 'newbie' ,
 428                                 'newbie',
 429                                 $this->opts['contribs'] == 'newbie',
 430                                 array( 'class' => 'mw-input' )
 431                         ) . '<br />' .
 432                         Xml::radioLabel(
 433                                 $this->msg( 'sp-contributions-username' )->text(),
 434                                 'contribs',
 435                                 'user',
 436                                 'user',
 437                                 $this->opts['contribs'] == 'user',
 438                                 array( 'class' => 'mw-input' )
 439                         ) . ' ' .
 440                         Html::input(
 441                                 'target',
 442                                 $this->opts['target'],
 443                                 'text',
 444                                 array( 'size' => '20', 'required' => '', 'class' => 'mw-input' ) +
 445                                         ( $this->opts['target'] ? array() : array( 'autofocus' )
 446                                 )
 447                         ) . ' '
 448                 ) ;
 449
 450                 $namespaceSelection =
 451                         Xml::tags( 'td', array( 'class' => 'mw-label' ),
 452                                 Xml::label(
 453                                         $this->msg( 'namespace' )->text(),
 454                                         'namespace',
 455                                         ''
 456                                 )
 457                         ) .
 458                         Xml::tags( 'td', null,
 459                                 Html::namespaceSelector( array(
 460                                         'selected' => $this->opts['namespace'],
 461                                         'all'      => '',
 462                                 ), array(
 463                                         'name'  => 'namespace',
 464                                         'id'    => 'namespace',
 465                                         'class' => 'namespaceselector',
 466                                 ) ) .
 467                                 '&#160;' .
 468                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 469                                         Xml::checkLabel(
 470                                                 $this->msg( 'invert' )->text(),
 471                                                 'nsInvert',
 472                                                 'nsInvert',
 473                                                 $this->opts['nsInvert'],
 474                                                 array( 'title' => $this->msg( 'tooltip-invert' )->text(), 'class' => 'mw-input' )
 475                                         ) . '&#160;'
 476                                 ) .
 477                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 478                                         Xml::checkLabel(
 479                                                 $this->msg( 'namespace_association' )->text(),
 480                                                 'associated',
 481                                                 'associated',
 482                                                 $this->opts['associated'],
 483                                                 array( 'title' => $this->msg( 'tooltip-namespace_association' )->text(), 'class' => 'mw-input' )
 484                                         ) . '&#160;'
 485                                 )
 486                         ) ;
 487
 488                 $extraOptions = Xml::tags( 'td', array( 'colspan' => 2 ),
 489                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 490                                 Xml::checkLabel(
 491                                         $this->msg( 'history-show-deleted' )->text(),
 492                                         'deletedOnly',
 493                                         'mw-show-deleted-only',
 494                                         $this->opts['deletedOnly'],
 495                                         array( 'class' => 'mw-input' )
 496                                 )
 497                         ) .
 498                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 499                                 Xml::checkLabel(
 500                                         $this->msg( 'sp-contributions-toponly' )->text(),
 501                                         'topOnly',
 502                                         'mw-show-top-only',
 503                                         $this->opts['topOnly'],
 504                                         array( 'class' => 'mw-input' )
 505                                 )
 506                         )
 507                 ) ;
 508
 509                 $dateSelectionAndSubmit = Xml::tags( 'td', array( 'colspan' => 2 ),
 510                         Xml::dateMenu(
 511                                 $this->opts['year'],
 512                                 $this->opts['month']
 513                         ) . ' ' .
 514                         Xml::submitButton(
 515                                 $this->msg( 'sp-contributions-submit' )->text(),
 516                                 array( 'class' => 'mw-submit' )
 517                         )
 518                 ) ;
 519
 520                 $form .=
 521                         Xml::fieldset( $this->msg( 'sp-contributions-search' )->text() ) .
 522                         Xml::openElement( 'table', array( 'class' => 'mw-contributions-table' ) ) .
 523                                 Xml::openElement( 'tr' ) .
 524                                         $targetSelection .
 525                                 Xml::closeElement( 'tr' ) .
 526                                 Xml::openElement( 'tr' ) .
 527                                         $namespaceSelection .
 528                                 Xml::closeElement( 'tr' ) .
 529                                 Xml::openElement( 'tr' ) .
 530                                         $filterSelection .
 531                                 Xml::closeElement( 'tr' ) .
 532                                 Xml::openElement( 'tr' ) .
 533                                         $extraOptions .
 534                                 Xml::closeElement( 'tr' ) .
 535                                 Xml::openElement( 'tr' ) .
 536                                         $dateSelectionAndSubmit .
 537                                 Xml::closeElement( 'tr' ) .
 538                         Xml::closeElement( 'table' );
 539
 540                 $explain = $this->msg( 'sp-contributions-explain' );
 541                 if ( $explain->exists() ) {
 542                         $form .= "<p id='mw-sp-contributions-explain'>{$explain}</p>";
 543                 }
 544                 $form .= Xml::closeElement( 'fieldset' ) .
 545                         Xml::closeElement( 'form' );
 546                 return $form;
 547         }
 548 }
 549
 550 /**
 551  * Pager for Special:Contributions
 552  * @ingroup SpecialPage Pager
 553  */
 554 class ContribsPager extends ReverseChronologicalPager {
 555         public $mDefaultDirection = true;
 556         var $messages, $target;
 557         var $namespace = '', $mDb;
 558         var $preventClickjacking = false;
 559
 560         /**
 561          * @var array
 562          */
 563         protected $mParentLens;
 564
 565         function __construct( IContextSource $context, array $options ) {
 566                 parent::__construct( $context );
 567
 568                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 569
 570                 foreach ( $msgs as $msg ) {
 571                         $this->messages[$msg] = $this->msg( $msg )->escaped();
 572                 }
 573
 574                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 575                 $this->contribs = isset( $options['contribs'] ) ? $options['contribs'] : 'users';
 576                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 577                 $this->tagFilter = isset( $options['tagfilter'] ) ? $options['tagfilter'] : false;
 578                 $this->nsInvert = isset( $options['nsInvert'] ) ? $options['nsInvert'] : false;
 579                 $this->associated = isset( $options['associated'] ) ? $options['associated'] : false;
 580
 581                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 582                 $this->topOnly = !empty( $options['topOnly'] );
 583
 584                 $year = isset( $options['year'] ) ? $options['year'] : false;
 585                 $month = isset( $options['month'] ) ? $options['month'] : false;
 586                 $this->getDateCond( $year, $month );
 587
 588                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 589         }
 590
 591         function getDefaultQuery() {
 592                 $query = parent::getDefaultQuery();
 593                 $query['target'] = $this->target;
 594                 return $query;
 595         }
 596
 597         function getQueryInfo() {
 598                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 599
 600                 $user = $this->getUser();
 601                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 602
 603                 // Paranoia: avoid brute force searches (bug 17342)
 604                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 605                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0';
 606                 } elseif ( !$user->isAllowed( 'suppressrevision' ) ) {
 607                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::SUPPRESSED_USER ) .
 608                                 ' != ' . Revision::SUPPRESSED_USER;
 609                 }
 610
 611                 # Don't include orphaned revisions
 612                 $join_cond['page'] = Revision::pageJoinCond();
 613                 # Get the current user name for accounts
 614                 $join_cond['user'] = Revision::userJoinCond();
 615
 616                 $queryInfo = array(
 617                         'tables'     => $tables,
 618                         'fields'     => array_merge(
 619                                 Revision::selectFields(),
 620                                 Revision::selectUserFields(),
 621                                 array( 'page_namespace', 'page_title', 'page_is_new',
 622                                         'page_latest', 'page_is_redirect', 'page_len' )
 623                         ),
 624                         'conds'      => $conds,
 625                         'options'    => array( 'USE INDEX' => array( 'revision' => $index ) ),
 626                         'join_conds' => $join_cond
 627                 );
 628
 629                 ChangeTags::modifyDisplayQuery(
 630                         $queryInfo['tables'],
 631                         $queryInfo['fields'],
 632                         $queryInfo['conds'],
 633                         $queryInfo['join_conds'],
 634                         $queryInfo['options'],
 635                         $this->tagFilter
 636                 );
 637
 638                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 639                 return $queryInfo;
 640         }
 641
 642         function getUserCond() {
 643                 $condition = array();
 644                 $join_conds = array();
 645                 $tables = array( 'revision', 'page', 'user' );
 646                 if ( $this->contribs == 'newbie' ) {
 647                         $tables[] = 'user_groups';
 648                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 649                         $condition[] = 'rev_user >' . (int)( $max - $max / 100 );
 650                         $condition[] = 'ug_group IS NULL';
 651                         $index = 'user_timestamp';
 652                         # @todo FIXME: Other groups may have 'bot' rights
 653                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 654                 } else {
 655                         $uid = User::idFromName( $this->target );
 656                         if ( $uid ) {
 657                                 $condition['rev_user'] = $uid;
 658                                 $index = 'user_timestamp';
 659                         } else {
 660                                 $condition['rev_user_text'] = $this->target;
 661                                 $index = 'usertext_timestamp';
 662                         }
 663                 }
 664                 if ( $this->deletedOnly ) {
 665                         $condition[] = "rev_deleted != '0'";
 666                 }
 667                 if ( $this->topOnly ) {
 668                         $condition[] = "rev_id = page_latest";
 669                 }
 670                 return array( $tables, $index, $condition, $join_conds );
 671         }
 672
 673         function getNamespaceCond() {
 674                 if ( $this->namespace !== '' ) {
 675                         $selectedNS = $this->mDb->addQuotes( $this->namespace );
 676                         $eq_op = $this->nsInvert ? '!=' : '=';
 677                         $bool_op = $this->nsInvert ? 'AND' : 'OR';
 678
 679                         if ( !$this->associated ) {
 680                                 return array( "page_namespace $eq_op $selectedNS" );
 681                         } else {
 682                                 $associatedNS = $this->mDb->addQuotes (
 683                                         MWNamespace::getAssociated( $this->namespace )
 684                                 );
 685                                 return array(
 686                                         "page_namespace $eq_op $selectedNS " .
 687                                         $bool_op .
 688                                         " page_namespace $eq_op $associatedNS"
 689                                 );
 690                         }
 691
 692                 } else {
 693                         return array();
 694                 }
 695         }
 696
 697         function getIndexField() {
 698                 return 'rev_timestamp';
 699         }
 700
 701         function doBatchLookups() {
 702                 $this->mResult->rewind();
 703                 $revIds = array();
 704                 foreach ( $this->mResult as $row ) {
 705                         if( $row->rev_parent_id ) {
 706                                 $revIds[] = $row->rev_parent_id;
 707                         }
 708                 }
 709                 $this->mParentLens = $this->getParentLengths( $revIds );
 710                 $this->mResult->rewind(); // reset
 711
 712                 # Do a link batch query
 713                 $this->mResult->seek( 0 );
 714                 $batch = new LinkBatch();
 715                 # Give some pointers to make (last) links
 716                 foreach ( $this->mResult as $row ) {
 717                         if ( $this->contribs === 'newbie' ) { // multiple users
 718                                 $batch->add( NS_USER, $row->user_name );
 719                                 $batch->add( NS_USER_TALK, $row->user_name );
 720                         }
 721                         $batch->add( $row->page_namespace, $row->page_title );
 722                 }
 723                 $batch->execute();
 724                 $this->mResult->seek( 0 );
 725         }
 726
 727         /**
 728          * Do a batched query to get the parent revision lengths
 729          * @param $revIds array
 730          * @return array
 731          */
 732         private function getParentLengths( array $revIds ) {
 733                 $revLens = array();
 734                 if ( !$revIds ) {
 735                         return $revLens; // empty
 736                 }
 737                 wfProfileIn( __METHOD__ );
 738                 $res = $this->getDatabase()->select( 'revision',
 739                         array( 'rev_id', 'rev_len' ),
 740                         array( 'rev_id' => $revIds ),
 741                         __METHOD__ );
 742                 foreach ( $res as $row ) {
 743                         $revLens[$row->rev_id] = $row->rev_len;
 744                 }
 745                 wfProfileOut( __METHOD__ );
 746                 return $revLens;
 747         }
 748
 749         /**
 750          * @return string
 751          */
 752         function getStartBody() {
 753                 return "<ul>\n";
 754         }
 755
 756         /**
 757          * @return string
 758          */
 759         function getEndBody() {
 760                 return "</ul>\n";
 761         }
 762
 763         /**
 764          * Generates each row in the contributions list.
 765          *
 766          * Contributions which are marked "top" are currently on top of the history.
 767          * For these contributions, a [rollback] link is shown for users with roll-
 768          * back privileges. The rollback link restores the most recent version that
 769          * was not written by the target user.
 770          *
 771          * @todo This would probably look a lot nicer in a table.
 772          * @param $row
 773          * @return string
 774          */
 775         function formatRow( $row ) {
 776                 wfProfileIn( __METHOD__ );
 777
 778                 $rev = new Revision( $row );
 779                 $classes = array();
 780
 781                 $page = Title::newFromRow( $row );
 782                 $link = Linker::link(
 783                         $page,
 784                         htmlspecialchars( $page->getPrefixedText() ),
 785                         array(),
 786                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 787                 );
 788                 # Mark current revisions
 789                 $topmarktext = '';
 790                 if ( $row->rev_id == $row->page_latest ) {
 791                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 792                         # Add rollback link
 793                         if ( !$row->page_is_new && $page->quickUserCan( 'rollback' )
 794                                 && $page->quickUserCan( 'edit' ) )
 795                         {
 796                                 $this->preventClickjacking();
 797                                 $topmarktext .= ' ' . Linker::generateRollback( $rev );
 798                         }
 799                 }
 800                 $user = $this->getUser();
 801                 # Is there a visible previous revision?
 802                 if ( $rev->userCan( Revision::DELETED_TEXT, $user ) && $rev->getParentId() !== 0 ) {
 803                         $difftext = Linker::linkKnown(
 804                                 $page,
 805                                 $this->messages['diff'],
 806                                 array(),
 807                                 array(
 808                                         'diff' => 'prev',
 809                                         'oldid' => $row->rev_id
 810                                 )
 811                         );
 812                 } else {
 813                         $difftext = $this->messages['diff'];
 814                 }
 815                 $histlink = Linker::linkKnown(
 816                         $page,
 817                         $this->messages['hist'],
 818                         array(),
 819                         array( 'action' => 'history' )
 820                 );
 821
 822                 if ( $row->rev_parent_id === null ) {
 823                         // For some reason rev_parent_id isn't populated for this row.
 824                         // Its rumoured this is true on wikipedia for some revisions (bug 34922).
 825                         // Next best thing is to have the total number of bytes.
 826                         $chardiff = ' . . ' . Linker::formatRevisionSize( $row->rev_len ) . ' . . ';
 827                 } else {
 828                         $parentLen = isset( $this->mParentLens[$row->rev_parent_id] ) ? $this->mParentLens[$row->rev_parent_id] : 0;
 829                         $chardiff = ' . . ' . ChangesList::showCharacterDifference(
 830                                         $parentLen, $row->rev_len ) . ' . . ';
 831                 }
 832
 833                 $lang = $this->getLanguage();
 834                 $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
 835                 $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
 836                 if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
 837                         $d = Linker::linkKnown(
 838                                 $page,
 839                                 htmlspecialchars( $date ),
 840                                 array(),
 841                                 array( 'oldid' => intval( $row->rev_id ) )
 842                         );
 843                 } else {
 844                         $d = htmlspecialchars( $date );
 845                 }
 846                 if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 847                         $d = '<span class="history-deleted">' . $d . '</span>';
 848                 }
 849
 850                 # Show user names for /newbies as there may be different users.
 851                 # Note that we already excluded rows with hidden user names.
 852                 if ( $this->contribs == 'newbie' ) {
 853                         $userlink = ' . . ' . Linker::userLink( $rev->getUser(), $rev->getUserText() );
 854                         $userlink .= ' ' . $this->msg( 'parentheses' )->rawParams(
 855                                 Linker::userTalkLink( $rev->getUser(), $rev->getUserText() ) )->escaped() . ' ';
 856                 } else {
 857                         $userlink = '';
 858                 }
 859
 860                 if ( $rev->getParentId() === 0 ) {
 861                         $nflag = ChangesList::flag( 'newpage' );
 862                 } else {
 863                         $nflag = '';
 864                 }
 865
 866                 if ( $rev->isMinor() ) {
 867                         $mflag = ChangesList::flag( 'minor' );
 868                 } else {
 869                         $mflag = '';
 870                 }
 871
 872                 $del = Linker::getRevDeleteLink( $user, $rev, $page );
 873                 if ( $del !== '' ) {
 874                         $del .= ' ';
 875                 }
 876
 877                 $diffHistLinks = $this->msg( 'parentheses' )->rawParams( $difftext . $this->messages['pipe-separator'] . $histlink )->escaped();
 878                 $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 879
 880                 # Denote if username is redacted for this edit
 881                 if ( $rev->isDeleted( Revision::DELETED_USER ) ) {
 882                         $ret .= " <strong>" . $this->msg( 'rev-deleted-user-contribs' )->escaped() . "</strong>";
 883                 }
 884
 885                 # Tags, if any.
 886                 list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 887                 $classes = array_merge( $classes, $newClasses );
 888                 $ret .= " $tagSummary";
 889
 890                 // Let extensions add data
 891                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 892
 893                 $classes = implode( ' ', $classes );
 894                 $ret = "<li class=\"$classes\">$ret</li>\n";
 895                 wfProfileOut( __METHOD__ );
 896                 return $ret;
 897         }
 898
 899         /**
 900          * Get the Database object in use
 901          *
 902          * @return DatabaseBase
 903          */
 904         public function getDatabase() {
 905                 return $this->mDb;
 906         }
 907
 908         /**
 909          * Overwrite Pager function and return a helpful comment
 910          * @return string
 911          */
 912         function getSqlComment() {
 913                 if ( $this->namespace || $this->deletedOnly ) {
 914                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 915                 } else {
 916                         return 'contributions page unfiltered';
 917                 }
 918         }
 919
 920         protected function preventClickjacking() {
 921                 $this->preventClickjacking = true;
 922         }
 923
 924         /**
 925          * @return bool
 926          */
 927         public function getPreventClickjacking() {
 928                 return $this->preventClickjacking;
 929         }
 930 }