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                         # Show the appropriate "footer" message - WHOIS tools, etc.
 196                         if ( $this->opts['contribs'] == 'newbie' ) {
 197                                 $message = 'sp-contributions-footer-newbies';
 198                         } elseif( IP::isIPAddress( $target ) ) {
 199                                 $message = 'sp-contributions-footer-anon';
 200                         } elseif( $userObj->isAnon() ) {
 201                                 // No message for non-existing users
 202                                 $message = '';
 203                         } else {
 204                                 $message = 'sp-contributions-footer';
 205                         }
 206
 207                         if( $message ) {
 208                                 if ( !$this->msg( $message, $target )->isDisabled() ) {
 209                                         $out->wrapWikiMsg(
 210                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
 211                                                 array( $message, $target ) );
 212                                 }
 213                         }
 214                 }
 215         }
 216
 217         /**
 218          * Generates the subheading with links
 219          * @param $userObj User object for the target
 220          * @return String: appropriately-escaped HTML to be output literally
 221          * @todo FIXME: Almost the same as getSubTitle in SpecialDeletedContributions.php. Could be combined.
 222          */
 223         protected function contributionsSub( $userObj ) {
 224                 if ( $userObj->isAnon() ) {
 225                         $user = htmlspecialchars( $userObj->getName() );
 226                 } else {
 227                         $user = Linker::link( $userObj->getUserPage(), htmlspecialchars( $userObj->getName() ) );
 228                 }
 229                 $nt = $userObj->getUserPage();
 230                 $talk = $userObj->getTalkPage();
 231                 $links = '';
 232                 if ( $talk ) {
 233                         $tools = $this->getUserLinks( $nt, $talk, $userObj );
 234                         $links = $this->getLanguage()->pipeList( $tools );
 235
 236                         // Show a note if the user is blocked and display the last block log entry.
 237                         // Do not expose the autoblocks, since that may lead to a leak of accounts' IPs,
 238                         // and also this will display a totally irrelevant log entry as a current block.
 239                         if ( $userObj->isBlocked() && $userObj->getBlock()->getType() != Block::TYPE_AUTO ) {
 240                                 $out = $this->getOutput(); // showLogExtract() wants first parameter by reference
 241                                 LogEventsList::showLogExtract(
 242                                         $out,
 243                                         'block',
 244                                         $nt,
 245                                         '',
 246                                         array(
 247                                                 'lim' => 1,
 248                                                 'showIfEmpty' => false,
 249                                                 'msgKey' => array(
 250                                                         $userObj->isAnon() ?
 251                                                                 'sp-contributions-blocked-notice-anon' :
 252                                                                 'sp-contributions-blocked-notice',
 253                                                         $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
 254                                                 ),
 255                                                 'offset' => '' # don't use WebRequest parameter offset
 256                                         )
 257                                 );
 258                         }
 259                 }
 260
 261                 // Old message 'contribsub' had one parameter, but that doesn't work for
 262                 // languages that want to put the "for" bit right after $user but before
 263                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 264                 // otherwise use 'contribsub2'.
 265                 // @todo Should this be removed at some point?
 266                 $oldMsg = $this->msg( 'contribsub' );
 267                 if ( $oldMsg->exists() ) {
 268                         $linksWithParentheses = $this->msg( 'parentheses' )->rawParams( $links )->escaped();
 269                         return $oldMsg->rawParams( "$user $linksWithParentheses" );
 270                 } else {
 271                         return $this->msg( 'contribsub2' )->rawParams( $user, $links );
 272                 }
 273         }
 274
 275         /**
 276          * Links to different places.
 277          * @param $userpage Title: Target user page
 278          * @param $talkpage Title: Talk page
 279          * @param $target User: Target user object
 280          * @return array
 281          */
 282         public function getUserLinks( Title $userpage, Title $talkpage, User $target ) {
 283
 284                 $id = $target->getId();
 285                 $username = $target->getName();
 286
 287                 $tools[] = Linker::link( $talkpage, $this->msg( 'sp-contributions-talk' )->escaped() );
 288
 289                 if ( ( $id !== null ) || ( $id === null && IP::isIPAddress( $username ) ) ) {
 290                         if ( $this->getUser()->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 291                                 if ( $target->isBlocked() ) {
 292                                         $tools[] = Linker::linkKnown( # Change block link
 293                                                 SpecialPage::getTitleFor( 'Block', $username ),
 294                                                 $this->msg( 'change-blocklink' )->escaped()
 295                                         );
 296                                         $tools[] = Linker::linkKnown( # Unblock link
 297                                                 SpecialPage::getTitleFor( 'Unblock', $username ),
 298                                                 $this->msg( 'unblocklink' )->escaped()
 299                                         );
 300                                 } else { # User is not blocked
 301                                         $tools[] = Linker::linkKnown( # Block link
 302                                                 SpecialPage::getTitleFor( 'Block', $username ),
 303                                                 $this->msg( 'blocklink' )->escaped()
 304                                         );
 305                                 }
 306                         }
 307                         # Block log link
 308                         $tools[] = Linker::linkKnown(
 309                                 SpecialPage::getTitleFor( 'Log', 'block' ),
 310                                 $this->msg( 'sp-contributions-blocklog' )->escaped(),
 311                                 array(),
 312                                 array(
 313                                         'page' => $userpage->getPrefixedText()
 314                                 )
 315                         );
 316                 }
 317                 # Uploads
 318                 $tools[] = Linker::linkKnown(
 319                         SpecialPage::getTitleFor( 'Listfiles', $username ),
 320                         $this->msg( 'sp-contributions-uploads' )->escaped()
 321                 );
 322
 323                 # Other logs link
 324                 $tools[] = Linker::linkKnown(
 325                         SpecialPage::getTitleFor( 'Log', $username ),
 326                         $this->msg( 'sp-contributions-logs' )->escaped()
 327                 );
 328
 329                 # Add link to deleted user contributions for priviledged users
 330                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 331                         $tools[] = Linker::linkKnown(
 332                                 SpecialPage::getTitleFor( 'DeletedContributions', $username ),
 333                                 $this->msg( 'sp-contributions-deleted' )->escaped()
 334                         );
 335                 }
 336
 337                 # Add a link to change user rights for privileged users
 338                 $userrightsPage = new UserrightsPage();
 339                 $userrightsPage->setContext( $this->getContext() );
 340                 if ( $userrightsPage->userCanChangeRights( $target ) ) {
 341                         $tools[] = Linker::linkKnown(
 342                                 SpecialPage::getTitleFor( 'Userrights', $username ),
 343                                 $this->msg( 'sp-contributions-userrights' )->escaped()
 344                         );
 345                 }
 346
 347                 wfRunHooks( 'ContributionsToolLinks', array( $id, $userpage, &$tools ) );
 348                 return $tools;
 349         }
 350
 351         /**
 352          * Generates the namespace selector form with hidden attributes.
 353          * @return String: HTML fragment
 354          */
 355         protected function getForm() {
 356                 global $wgScript;
 357
 358                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 359                 if ( !isset( $this->opts['target'] ) ) {
 360                         $this->opts['target'] = '';
 361                 } else {
 362                         $this->opts['target'] = str_replace( '_', ' ', $this->opts['target'] );
 363                 }
 364
 365                 if ( !isset( $this->opts['namespace'] ) ) {
 366                         $this->opts['namespace'] = '';
 367                 }
 368
 369                 if ( !isset( $this->opts['nsInvert'] ) ) {
 370                         $this->opts['nsInvert'] = '';
 371                 }
 372
 373                 if ( !isset( $this->opts['associated'] ) ) {
 374                         $this->opts['associated'] = false;
 375                 }
 376
 377                 if ( !isset( $this->opts['contribs'] ) ) {
 378                         $this->opts['contribs'] = 'user';
 379                 }
 380
 381                 if ( !isset( $this->opts['year'] ) ) {
 382                         $this->opts['year'] = '';
 383                 }
 384
 385                 if ( !isset( $this->opts['month'] ) ) {
 386                         $this->opts['month'] = '';
 387                 }
 388
 389                 if ( $this->opts['contribs'] == 'newbie' ) {
 390                         $this->opts['target'] = '';
 391                 }
 392
 393                 if ( !isset( $this->opts['tagfilter'] ) ) {
 394                         $this->opts['tagfilter'] = '';
 395                 }
 396
 397                 if ( !isset( $this->opts['topOnly'] ) ) {
 398                         $this->opts['topOnly'] = false;
 399                 }
 400
 401                 $form = Html::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
 402
 403                 # Add hidden params for tracking except for parameters in $skipParameters
 404                 $skipParameters = array( 'namespace', 'nsInvert', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly', 'associated' );
 405                 foreach ( $this->opts as $name => $value ) {
 406                         if ( in_array( $name, $skipParameters ) ) {
 407                                 continue;
 408                         }
 409                         $form .= "\t" . Html::hidden( $name, $value ) . "\n";
 410                 }
 411
 412                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 413
 414                 if ( $tagFilter ) {
 415                         $filterSelection =
 416                                 Html::rawElement( 'td', array( 'class' => 'mw-label' ), array_shift( $tagFilter ) ) .
 417                                 Html::rawElement( 'td', array( 'class' => 'mw-input' ), implode( '&#160', $tagFilter ) );
 418                 } else {
 419                         $filterSelection = Html::rawElement( 'td', array( 'colspan' => 2 ), '' );
 420                 }
 421
 422                 $targetSelection = Html::rawElement( 'td', array( 'colspan' => 2 ),
 423                         Xml::radioLabel(
 424                                 $this->msg( 'sp-contributions-newbies' )->text(),
 425                                 'contribs',
 426                                 'newbie',
 427                                 'newbie',
 428                                 $this->opts['contribs'] == 'newbie',
 429                                 array( 'class' => 'mw-input' )
 430                         ) . '<br />' .
 431                         Xml::radioLabel(
 432                                 $this->msg( 'sp-contributions-username' )->text(),
 433                                 'contribs',
 434                                 'user',
 435                                 'user',
 436                                 $this->opts['contribs'] == 'user',
 437                                 array( 'class' => 'mw-input' )
 438                         ) . ' ' .
 439                         Html::input(
 440                                 'target',
 441                                 $this->opts['target'],
 442                                 'text',
 443                                 array( 'size' => '40', 'required' => '', 'class' => 'mw-input' ) +
 444                                         ( $this->opts['target'] ? array() : array( 'autofocus' )
 445                                 )
 446                         ) . ' '
 447                 );
 448
 449                 $namespaceSelection =
 450                         Xml::tags( 'td', array( 'class' => 'mw-label' ),
 451                                 Xml::label(
 452                                         $this->msg( 'namespace' )->text(),
 453                                         'namespace',
 454                                         ''
 455                                 )
 456                         ) .
 457                         Html::rawElement( 'td', null,
 458                                 Html::namespaceSelector( array(
 459                                         'selected' => $this->opts['namespace'],
 460                                         'all'      => '',
 461                                 ), array(
 462                                         'name'  => 'namespace',
 463                                         'id'    => 'namespace',
 464                                         'class' => 'namespaceselector',
 465                                 ) ) .
 466                                 '&#160;' .
 467                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 468                                         Xml::checkLabel(
 469                                                 $this->msg( 'invert' )->text(),
 470                                                 'nsInvert',
 471                                                 'nsInvert',
 472                                                 $this->opts['nsInvert'],
 473                                                 array( 'title' => $this->msg( 'tooltip-invert' )->text(), 'class' => 'mw-input' )
 474                                         ) . '&#160;'
 475                                 ) .
 476                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 477                                         Xml::checkLabel(
 478                                                 $this->msg( 'namespace_association' )->text(),
 479                                                 'associated',
 480                                                 'associated',
 481                                                 $this->opts['associated'],
 482                                                 array( 'title' => $this->msg( 'tooltip-namespace_association' )->text(), 'class' => 'mw-input' )
 483                                         ) . '&#160;'
 484                                 )
 485                         );
 486
 487                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 488                         $deletedOnlyCheck = Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 489                                 Xml::checkLabel(
 490                                         $this->msg( 'history-show-deleted' )->text(),
 491                                         'deletedOnly',
 492                                         'mw-show-deleted-only',
 493                                         $this->opts['deletedOnly'],
 494                                         array( 'class' => 'mw-input' )
 495                                 )
 496                         );
 497                 } else {
 498                         $deletedOnlyCheck = '';
 499                 }
 500
 501                 $extraOptions = Html::rawElement( 'td', array( 'colspan' => 2 ),
 502                         $deletedOnlyCheck .
 503                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 504                                 Xml::checkLabel(
 505                                         $this->msg( 'sp-contributions-toponly' )->text(),
 506                                         'topOnly',
 507                                         'mw-show-top-only',
 508                                         $this->opts['topOnly'],
 509                                         array( 'class' => 'mw-input' )
 510                                 )
 511                         )
 512                 );
 513
 514                 $dateSelectionAndSubmit = Xml::tags( 'td', array( 'colspan' => 2 ),
 515                         Xml::dateMenu(
 516                                 $this->opts['year'],
 517                                 $this->opts['month']
 518                         ) . ' ' .
 519                         Xml::submitButton(
 520                                 $this->msg( 'sp-contributions-submit' )->text(),
 521                                 array( 'class' => 'mw-submit' )
 522                         )
 523                 );
 524
 525                 $form .=
 526                         Xml::fieldset( $this->msg( 'sp-contributions-search' )->text() ) .
 527                         Html::rawElement( 'table', array( 'class' => 'mw-contributions-table' ), "\n" .
 528                                 Html::rawElement( 'tr', array(), $targetSelection ) . "\n" .
 529                                 Html::rawElement( 'tr', array(), $namespaceSelection ) . "\n" .
 530                                 Html::rawElement( 'tr', array(), $filterSelection ) . "\n" .
 531                                 Html::rawElement( 'tr', array(), $extraOptions ) . "\n" .
 532                                 Html::rawElement( 'tr', array(), $dateSelectionAndSubmit ) . "\n"
 533                         );
 534
 535                 $explain = $this->msg( 'sp-contributions-explain' );
 536                 if ( !$explain->isBlank() ) {
 537                         $form .= "<p id='mw-sp-contributions-explain'>{$explain->parse()}</p>";
 538                 }
 539                 $form .= Xml::closeElement( 'fieldset' ) .
 540                         Xml::closeElement( 'form' );
 541                 return $form;
 542         }
 543
 544         protected function getGroupName() {
 545                 return 'users';
 546         }
 547 }
 548
 549 /**
 550  * Pager for Special:Contributions
 551  * @ingroup SpecialPage Pager
 552  */
 553 class ContribsPager extends ReverseChronologicalPager {
 554         public $mDefaultDirection = true;
 555         var $messages, $target;
 556         var $namespace = '', $mDb;
 557         var $preventClickjacking = false;
 558
 559         /**
 560          * @var array
 561          */
 562         protected $mParentLens;
 563
 564         function __construct( IContextSource $context, array $options ) {
 565                 parent::__construct( $context );
 566
 567                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 568
 569                 foreach ( $msgs as $msg ) {
 570                         $this->messages[$msg] = $this->msg( $msg )->escaped();
 571                 }
 572
 573                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 574                 $this->contribs = isset( $options['contribs'] ) ? $options['contribs'] : 'users';
 575                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 576                 $this->tagFilter = isset( $options['tagfilter'] ) ? $options['tagfilter'] : false;
 577                 $this->nsInvert = isset( $options['nsInvert'] ) ? $options['nsInvert'] : false;
 578                 $this->associated = isset( $options['associated'] ) ? $options['associated'] : false;
 579
 580                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 581                 $this->topOnly = !empty( $options['topOnly'] );
 582
 583                 $year = isset( $options['year'] ) ? $options['year'] : false;
 584                 $month = isset( $options['month'] ) ? $options['month'] : false;
 585                 $this->getDateCond( $year, $month );
 586
 587                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 588         }
 589
 590         function getDefaultQuery() {
 591                 $query = parent::getDefaultQuery();
 592                 $query['target'] = $this->target;
 593                 return $query;
 594         }
 595
 596         /**
 597          * This method basically executes the exact same code as the parent class, though with
 598          * a hook added, to allow extentions to add additional queries.
 599          *
 600          * @param $offset String: index offset, inclusive
 601          * @param $limit Integer: exact query limit
 602          * @param $descending Boolean: query direction, false for ascending, true for descending
 603          * @return ResultWrapper
 604          */
 605         function reallyDoQuery( $offset, $limit, $descending ) {
 606                 list( $tables, $fields, $conds, $fname, $options, $join_conds ) = $this->buildQueryInfo( $offset, $limit, $descending );
 607                 $pager = $this;
 608
 609                 /*
 610                  * This hook will allow extensions to add in additional queries, so they can get their data
 611                  * in My Contributions as well. Extensions should append their results to the $data array.
 612                  *
 613                  * Extension queries have to implement the navbar requirement as well. They should
 614                  * - have a column aliased as $pager->getIndexField()
 615                  * - have LIMIT set
 616                  * - have a WHERE-clause that compares the $pager->getIndexField()-equivalent column to the offset
 617                  * - have the ORDER BY specified based upon the details provided by the navbar
 618                  *
 619                  * See includes/Pager.php buildQueryInfo() method on how to build LIMIT, WHERE & ORDER BY
 620                  *
 621                  * &$data: an array of results of all contribs queries
 622                  * $pager: the ContribsPager object hooked into
 623                  * $offset: see phpdoc above
 624                  * $limit: see phpdoc above
 625                  * $descending: see phpdoc above
 626                  */
 627                 $data = array( $this->mDb->select( $tables, $fields, $conds, $fname, $options, $join_conds ) );
 628                 wfRunHooks( 'ContribsPager::reallyDoQuery', array( &$data, $pager, $offset, $limit, $descending ) );
 629
 630                 $result = array();
 631
 632                 // loop all results and collect them in an array
 633                 foreach ( $data as $j => $query ) {
 634                         foreach ( $query as $i => $row ) {
 635                                 // use index column as key, allowing us to easily sort in PHP
 636                                 $result[$row->{$this->getIndexField()} . "-$i"] = $row;
 637                         }
 638                 }
 639
 640                 // sort results
 641                 if ( $descending ) {
 642                         ksort( $result );
 643                 } else {
 644                         krsort( $result );
 645                 }
 646
 647                 // enforce limit
 648                 $result = array_slice( $result, 0, $limit );
 649
 650                 // get rid of array keys
 651                 $result = array_values( $result );
 652
 653                 return new FakeResultWrapper( $result );
 654         }
 655
 656         function getQueryInfo() {
 657                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 658
 659                 $user = $this->getUser();
 660                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 661
 662                 // Paranoia: avoid brute force searches (bug 17342)
 663                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 664                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0';
 665                 } elseif ( !$user->isAllowed( 'suppressrevision' ) ) {
 666                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::SUPPRESSED_USER ) .
 667                                 ' != ' . Revision::SUPPRESSED_USER;
 668                 }
 669
 670                 # Don't include orphaned revisions
 671                 $join_cond['page'] = Revision::pageJoinCond();
 672                 # Get the current user name for accounts
 673                 $join_cond['user'] = Revision::userJoinCond();
 674
 675                 $queryInfo = array(
 676                         'tables'     => $tables,
 677                         'fields'     => array_merge(
 678                                 Revision::selectFields(),
 679                                 Revision::selectUserFields(),
 680                                 array( 'page_namespace', 'page_title', 'page_is_new',
 681                                         'page_latest', 'page_is_redirect', 'page_len' )
 682                         ),
 683                         'conds'      => $conds,
 684                         'options'    => array( 'USE INDEX' => array( 'revision' => $index ) ),
 685                         'join_conds' => $join_cond
 686                 );
 687
 688                 ChangeTags::modifyDisplayQuery(
 689                         $queryInfo['tables'],
 690                         $queryInfo['fields'],
 691                         $queryInfo['conds'],
 692                         $queryInfo['join_conds'],
 693                         $queryInfo['options'],
 694                         $this->tagFilter
 695                 );
 696
 697                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 698                 return $queryInfo;
 699         }
 700
 701         function getUserCond() {
 702                 $condition = array();
 703                 $join_conds = array();
 704                 $tables = array( 'revision', 'page', 'user' );
 705                 if ( $this->contribs == 'newbie' ) {
 706                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 707                         $condition[] = 'rev_user >' . (int)( $max - $max / 100 );
 708                         $index = 'user_timestamp';
 709                         # ignore local groups with the bot right
 710                         # @todo FIXME: Global groups may have 'bot' rights
 711                         $groupsWithBotPermission = User::getGroupsWithPermission( 'bot' );
 712                         if( count( $groupsWithBotPermission ) ) {
 713                                 $tables[] = 'user_groups';
 714                                 $condition[] = 'ug_group IS NULL';
 715                                 $join_conds['user_groups'] = array(
 716                                         'LEFT JOIN', array(
 717                                                 'ug_user = rev_user',
 718                                                 'ug_group' => $groupsWithBotPermission
 719                                         )
 720                                 );
 721                         }
 722                 } else {
 723                         $uid = User::idFromName( $this->target );
 724                         if ( $uid ) {
 725                                 $condition['rev_user'] = $uid;
 726                                 $index = 'user_timestamp';
 727                         } else {
 728                                 $condition['rev_user_text'] = $this->target;
 729                                 $index = 'usertext_timestamp';
 730                         }
 731                 }
 732                 if ( $this->deletedOnly ) {
 733                         $condition[] = 'rev_deleted != 0';
 734                 }
 735                 if ( $this->topOnly ) {
 736                         $condition[] = 'rev_id = page_latest';
 737                 }
 738                 return array( $tables, $index, $condition, $join_conds );
 739         }
 740
 741         function getNamespaceCond() {
 742                 if ( $this->namespace !== '' ) {
 743                         $selectedNS = $this->mDb->addQuotes( $this->namespace );
 744                         $eq_op = $this->nsInvert ? '!=' : '=';
 745                         $bool_op = $this->nsInvert ? 'AND' : 'OR';
 746
 747                         if ( !$this->associated ) {
 748                                 return array( "page_namespace $eq_op $selectedNS" );
 749                         } else {
 750                                 $associatedNS = $this->mDb->addQuotes (
 751                                         MWNamespace::getAssociated( $this->namespace )
 752                                 );
 753                                 return array(
 754                                         "page_namespace $eq_op $selectedNS " .
 755                                         $bool_op .
 756                                         " page_namespace $eq_op $associatedNS"
 757                                 );
 758                         }
 759
 760                 } else {
 761                         return array();
 762                 }
 763         }
 764
 765         function getIndexField() {
 766                 return 'rev_timestamp';
 767         }
 768
 769         function doBatchLookups() {
 770                 # Do a link batch query
 771                 $this->mResult->seek( 0 );
 772                 $revIds = array();
 773                 $batch = new LinkBatch();
 774                 # Give some pointers to make (last) links
 775                 foreach ( $this->mResult as $row ) {
 776                         if( isset( $row->rev_parent_id ) && $row->rev_parent_id ) {
 777                                 $revIds[] = $row->rev_parent_id;
 778                         }
 779                         if ( isset( $row->rev_id ) ) {
 780                                 if ( $this->contribs === 'newbie' ) { // multiple users
 781                                         $batch->add( NS_USER, $row->user_name );
 782                                         $batch->add( NS_USER_TALK, $row->user_name );
 783                                 }
 784                                 $batch->add( $row->page_namespace, $row->page_title );
 785                         }
 786                 }
 787                 $this->mParentLens = Revision::getParentLengths( $this->getDatabase(), $revIds );
 788                 $batch->execute();
 789                 $this->mResult->seek( 0 );
 790         }
 791
 792         /**
 793          * @return string
 794          */
 795         function getStartBody() {
 796                 return "<ul>\n";
 797         }
 798
 799         /**
 800          * @return string
 801          */
 802         function getEndBody() {
 803                 return "</ul>\n";
 804         }
 805
 806         /**
 807          * Generates each row in the contributions list.
 808          *
 809          * Contributions which are marked "top" are currently on top of the history.
 810          * For these contributions, a [rollback] link is shown for users with roll-
 811          * back privileges. The rollback link restores the most recent version that
 812          * was not written by the target user.
 813          *
 814          * @todo This would probably look a lot nicer in a table.
 815          * @param $row
 816          * @return string
 817          */
 818         function formatRow( $row ) {
 819                 wfProfileIn( __METHOD__ );
 820
 821                 $ret = '';
 822                 $classes = array();
 823
 824                 /*
 825                  * There may be more than just revision rows. To make sure that we'll only be processing
 826                  * revisions here, let's _try_ to build a revision out of our row (without displaying
 827                  * notices though) and then trying to grab data from the built object. If we succeed,
 828                  * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
 829                  * to extensions to subscribe to the hook to parse the row.
 830                  */
 831                 wfSuppressWarnings();
 832                 $rev = new Revision( $row );
 833                 $validRevision = (bool) $rev->getId();
 834                 wfRestoreWarnings();
 835
 836                 if ( $validRevision ) {
 837                         $classes = array();
 838
 839                         $page = Title::newFromRow( $row );
 840                         $link = Linker::link(
 841                                 $page,
 842                                 htmlspecialchars( $page->getPrefixedText() ),
 843                                 array( 'class' => 'mw-contributions-title' ),
 844                                 $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 845                         );
 846                         # Mark current revisions
 847                         $topmarktext = '';
 848                         $user = $this->getUser();
 849                         if ( $row->rev_id == $row->page_latest ) {
 850                                 $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 851                                 # Add rollback link
 852                                 if ( !$row->page_is_new && $page->quickUserCan( 'rollback', $user )
 853                                         && $page->quickUserCan( 'edit', $user ) )
 854                                 {
 855                                         $this->preventClickjacking();
 856                                         $topmarktext .= ' ' . Linker::generateRollback( $rev, $this->getContext() );
 857                                 }
 858                         }
 859                         # Is there a visible previous revision?
 860                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) && $rev->getParentId() !== 0 ) {
 861                                 $difftext = Linker::linkKnown(
 862                                         $page,
 863                                         $this->messages['diff'],
 864                                         array(),
 865                                         array(
 866                                                 'diff' => 'prev',
 867                                                 'oldid' => $row->rev_id
 868                                         )
 869                                 );
 870                         } else {
 871                                 $difftext = $this->messages['diff'];
 872                         }
 873                         $histlink = Linker::linkKnown(
 874                                 $page,
 875                                 $this->messages['hist'],
 876                                 array(),
 877                                 array( 'action' => 'history' )
 878                         );
 879
 880                         if ( $row->rev_parent_id === null ) {
 881                                 // For some reason rev_parent_id isn't populated for this row.
 882                                 // Its rumoured this is true on wikipedia for some revisions (bug 34922).
 883                                 // Next best thing is to have the total number of bytes.
 884                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . Linker::formatRevisionSize( $row->rev_len ) . ' <span class="mw-changeslist-separator">. .</span> ';
 885                         } else {
 886                                 $parentLen = isset( $this->mParentLens[$row->rev_parent_id] ) ? $this->mParentLens[$row->rev_parent_id] : 0;
 887                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . ChangesList::showCharacterDifference(
 888                                                 $parentLen, $row->rev_len, $this->getContext() ) . ' <span class="mw-changeslist-separator">. .</span> ';
 889                         }
 890
 891                         $lang = $this->getLanguage();
 892                         $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
 893                         $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
 894                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
 895                                 $d = Linker::linkKnown(
 896                                         $page,
 897                                         htmlspecialchars( $date ),
 898                                         array( 'class' => 'mw-changeslist-date' ),
 899                                         array( 'oldid' => intval( $row->rev_id ) )
 900                                 );
 901                         } else {
 902                                 $d = htmlspecialchars( $date );
 903                         }
 904                         if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 905                                 $d = '<span class="history-deleted">' . $d . '</span>';
 906                         }
 907
 908                         # Show user names for /newbies as there may be different users.
 909                         # Note that we already excluded rows with hidden user names.
 910                         if ( $this->contribs == 'newbie' ) {
 911                                 $userlink = ' . . ' . Linker::userLink( $rev->getUser(), $rev->getUserText() );
 912                                 $userlink .= ' ' . $this->msg( 'parentheses' )->rawParams(
 913                                         Linker::userTalkLink( $rev->getUser(), $rev->getUserText() ) )->escaped() . ' ';
 914                         } else {
 915                                 $userlink = '';
 916                         }
 917
 918                         if ( $rev->getParentId() === 0 ) {
 919                                 $nflag = ChangesList::flag( 'newpage' );
 920                         } else {
 921                                 $nflag = '';
 922                         }
 923
 924                         if ( $rev->isMinor() ) {
 925                                 $mflag = ChangesList::flag( 'minor' );
 926                         } else {
 927                                 $mflag = '';
 928                         }
 929
 930                         $del = Linker::getRevDeleteLink( $user, $rev, $page );
 931                         if ( $del !== '' ) {
 932                                 $del .= ' ';
 933                         }
 934
 935                         $diffHistLinks = $this->msg( 'parentheses' )->rawParams( $difftext . $this->messages['pipe-separator'] . $histlink )->escaped();
 936                         $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 937
 938                         # Denote if username is redacted for this edit
 939                         if ( $rev->isDeleted( Revision::DELETED_USER ) ) {
 940                                 $ret .= " <strong>" . $this->msg( 'rev-deleted-user-contribs' )->escaped() . "</strong>";
 941                         }
 942
 943                         # Tags, if any.
 944                         list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 945                         $classes = array_merge( $classes, $newClasses );
 946                         $ret .= " $tagSummary";
 947                 }
 948
 949                 // Let extensions add data
 950                 wfRunHooks( 'ContributionsLineEnding', array( $this, &$ret, $row, &$classes ) );
 951
 952                 if ( $classes === array() && $ret === '' ) {
 953                         wfDebug( 'Dropping Special:Contribution row that could not be formatted' );
 954                         $ret = "<!-- Could not format Special:Contribution row. -->\n";
 955                 } else {
 956                         $ret = Html::rawElement( 'li', array( 'class' => $classes ), $ret ) . "\n";
 957                 }
 958
 959                 wfProfileOut( __METHOD__ );
 960                 return $ret;
 961         }
 962
 963         /**
 964          * Overwrite Pager function and return a helpful comment
 965          * @return string
 966          */
 967         function getSqlComment() {
 968                 if ( $this->namespace || $this->deletedOnly ) {
 969                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 970                 } else {
 971                         return 'contributions page unfiltered';
 972                 }
 973         }
 974
 975         protected function preventClickjacking() {
 976                 $this->preventClickjacking = true;
 977         }
 978
 979         /**
 980          * @return bool
 981          */
 982         public function getPreventClickjacking() {
 983                 return $this->preventClickjacking;
 984         }
 985 }