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 = Html::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                                 Html::rawElement( 'td', array( 'class' => 'mw-label' ), array_shift( $tagFilter ) ) .
 418                                 Html::rawElement( 'td', array( 'class' => 'mw-input' ), implode( '&#160', $tagFilter ) );
 419                 } else {
 420                         $filterSelection = Html::rawElement( 'td', array( 'colspan' => 2 ), '' );
 421                 }
 422
 423                 $targetSelection = Html::rawElement( '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' => '40', '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                         Html::rawElement( '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                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
 489                         $deletedOnlyCheck = 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                 } else {
 499                         $deletedOnlyCheck = '';
 500                 }
 501
 502                 $extraOptions = Html::rawElement( 'td', array( 'colspan' => 2 ),
 503                         $deletedOnlyCheck .
 504                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 505                                 Xml::checkLabel(
 506                                         $this->msg( 'sp-contributions-toponly' )->text(),
 507                                         'topOnly',
 508                                         'mw-show-top-only',
 509                                         $this->opts['topOnly'],
 510                                         array( 'class' => 'mw-input' )
 511                                 )
 512                         )
 513                 );
 514
 515                 $dateSelectionAndSubmit = Xml::tags( 'td', array( 'colspan' => 2 ),
 516                         Xml::dateMenu(
 517                                 $this->opts['year'],
 518                                 $this->opts['month']
 519                         ) . ' ' .
 520                         Xml::submitButton(
 521                                 $this->msg( 'sp-contributions-submit' )->text(),
 522                                 array( 'class' => 'mw-submit' )
 523                         )
 524                 ) ;
 525
 526                 $form .=
 527                         Xml::fieldset( $this->msg( 'sp-contributions-search' )->text() ) .
 528                         Html::rawElement( 'table', array( 'class' => 'mw-contributions-table' ), "\n" .
 529                                 Html::rawElement( 'tr', array(), $targetSelection ) . "\n" .
 530                                 Html::rawElement( 'tr', array(), $namespaceSelection ) . "\n" .
 531                                 Html::rawElement( 'tr', array(), $filterSelection ) . "\n" .
 532                                 Html::rawElement( 'tr', array(), $extraOptions ) . "\n" .
 533                                 Html::rawElement( 'tr', array(), $dateSelectionAndSubmit ) . "\n"
 534                         );
 535
 536                 $explain = $this->msg( 'sp-contributions-explain' );
 537                 if ( !$explain->isBlank() ) {
 538                         $form .= "<p id='mw-sp-contributions-explain'>{$explain->parse()}</p>";
 539                 }
 540                 $form .= Xml::closeElement( 'fieldset' ) .
 541                         Xml::closeElement( 'form' );
 542                 return $form;
 543         }
 544 }
 545
 546 /**
 547  * Pager for Special:Contributions
 548  * @ingroup SpecialPage Pager
 549  */
 550 class ContribsPager extends ReverseChronologicalPager {
 551         public $mDefaultDirection = true;
 552         var $messages, $target;
 553         var $namespace = '', $mDb;
 554         var $preventClickjacking = false;
 555
 556         /**
 557          * @var array
 558          */
 559         protected $mParentLens;
 560
 561         function __construct( IContextSource $context, array $options ) {
 562                 parent::__construct( $context );
 563
 564                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 565
 566                 foreach ( $msgs as $msg ) {
 567                         $this->messages[$msg] = $this->msg( $msg )->escaped();
 568                 }
 569
 570                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 571                 $this->contribs = isset( $options['contribs'] ) ? $options['contribs'] : 'users';
 572                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 573                 $this->tagFilter = isset( $options['tagfilter'] ) ? $options['tagfilter'] : false;
 574                 $this->nsInvert = isset( $options['nsInvert'] ) ? $options['nsInvert'] : false;
 575                 $this->associated = isset( $options['associated'] ) ? $options['associated'] : false;
 576
 577                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 578                 $this->topOnly = !empty( $options['topOnly'] );
 579
 580                 $year = isset( $options['year'] ) ? $options['year'] : false;
 581                 $month = isset( $options['month'] ) ? $options['month'] : false;
 582                 $this->getDateCond( $year, $month );
 583
 584                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 585         }
 586
 587         function getDefaultQuery() {
 588                 $query = parent::getDefaultQuery();
 589                 $query['target'] = $this->target;
 590                 return $query;
 591         }
 592
 593         /**
 594          * This method basically executes the exact same code as the parent class, though with
 595          * a hook added, to allow extentions to add additional queries.
 596          *
 597          * @param $offset String: index offset, inclusive
 598          * @param $limit Integer: exact query limit
 599          * @param $descending Boolean: query direction, false for ascending, true for descending
 600          * @return ResultWrapper
 601          */
 602         function reallyDoQuery( $offset, $limit, $descending ) {
 603                 list( $tables, $fields, $conds, $fname, $options, $join_conds ) = $this->buildQueryInfo( $offset, $limit, $descending );
 604                 $pager = $this;
 605
 606                 /*
 607                  * This hook will allow extensions to add in additional queries, so they can get their data
 608                  * in My Contributions as well. Extensions should append their results to the $data array.
 609                  *
 610                  * Extension queries have to implement the navbar requirement as well. They should
 611                  * - have a column aliased as $pager->getIndexField()
 612                  * - have LIMIT set
 613                  * - have a WHERE-clause that compares the $pager->getIndexField()-equivalent column to the offset
 614                  * - have the ORDER BY specified based upon the details provided by the navbar
 615                  *
 616                  * See includes/Pager.php buildQueryInfo() method on how to build LIMIT, WHERE & ORDER BY
 617                  *
 618                  * &$data: an array of results of all contribs queries
 619                  * $pager: the ContribsPager object hooked into
 620                  * $offset: see phpdoc above
 621                  * $limit: see phpdoc above
 622                  * $descending: see phpdoc above
 623                  */
 624                 $data = array( $this->mDb->select( $tables, $fields, $conds, $fname, $options, $join_conds ) );
 625                 wfRunHooks( 'ContribsPager::reallyDoQuery', array( &$data, $pager, $offset, $limit, $descending ) );
 626
 627                 $result = array();
 628
 629                 // loop all results and collect them in an array
 630                 foreach ( $data as $j => $query ) {
 631                         foreach ( $query as $i => $row ) {
 632                                 // use index column as key, allowing us to easily sort in PHP
 633                                 $result[$row->{$this->getIndexField()} . "-$i"] = $row;
 634                         }
 635                 }
 636
 637                 // sort results
 638                 if ( $descending ) {
 639                         ksort( $result );
 640                 } else {
 641                         krsort( $result );
 642                 }
 643
 644                 // enforce limit
 645                 $result = array_slice( $result, 0, $limit );
 646
 647                 // get rid of array keys
 648                 $result = array_values( $result );
 649
 650                 return new FakeResultWrapper( $result );
 651         }
 652
 653         function getQueryInfo() {
 654                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 655
 656                 $user = $this->getUser();
 657                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 658
 659                 // Paranoia: avoid brute force searches (bug 17342)
 660                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
 661                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0';
 662                 } elseif ( !$user->isAllowed( 'suppressrevision' ) ) {
 663                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::SUPPRESSED_USER ) .
 664                                 ' != ' . Revision::SUPPRESSED_USER;
 665                 }
 666
 667                 # Don't include orphaned revisions
 668                 $join_cond['page'] = Revision::pageJoinCond();
 669                 # Get the current user name for accounts
 670                 $join_cond['user'] = Revision::userJoinCond();
 671
 672                 $queryInfo = array(
 673                         'tables'     => $tables,
 674                         'fields'     => array_merge(
 675                                 Revision::selectFields(),
 676                                 Revision::selectUserFields(),
 677                                 array( 'page_namespace', 'page_title', 'page_is_new',
 678                                         'page_latest', 'page_is_redirect', 'page_len' )
 679                         ),
 680                         'conds'      => $conds,
 681                         'options'    => array( 'USE INDEX' => array( 'revision' => $index ) ),
 682                         'join_conds' => $join_cond
 683                 );
 684
 685                 ChangeTags::modifyDisplayQuery(
 686                         $queryInfo['tables'],
 687                         $queryInfo['fields'],
 688                         $queryInfo['conds'],
 689                         $queryInfo['join_conds'],
 690                         $queryInfo['options'],
 691                         $this->tagFilter
 692                 );
 693
 694                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 695                 return $queryInfo;
 696         }
 697
 698         function getUserCond() {
 699                 $condition = array();
 700                 $join_conds = array();
 701                 $tables = array( 'revision', 'page', 'user' );
 702                 if ( $this->contribs == 'newbie' ) {
 703                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 704                         $condition[] = 'rev_user >' . (int)( $max - $max / 100 );
 705                         $index = 'user_timestamp';
 706                         # ignore local groups with the bot right
 707                         # @todo FIXME: Global groups may have 'bot' rights
 708                         $groupsWithBotPermission = User::getGroupsWithPermission( 'bot' );
 709                         if( count( $groupsWithBotPermission ) ) {
 710                                 $tables[] = 'user_groups';
 711                                 $condition[] = 'ug_group IS NULL';
 712                                 $join_conds['user_groups'] = array(
 713                                         'LEFT JOIN', array(
 714                                                 'ug_user = rev_user',
 715                                                 'ug_group' => $groupsWithBotPermission
 716                                         )
 717                                 );
 718                         }
 719                 } else {
 720                         $uid = User::idFromName( $this->target );
 721                         if ( $uid ) {
 722                                 $condition['rev_user'] = $uid;
 723                                 $index = 'user_timestamp';
 724                         } else {
 725                                 $condition['rev_user_text'] = $this->target;
 726                                 $index = 'usertext_timestamp';
 727                         }
 728                 }
 729                 if ( $this->deletedOnly ) {
 730                         $condition[] = "rev_deleted != '0'";
 731                 }
 732                 if ( $this->topOnly ) {
 733                         $condition[] = "rev_id = page_latest";
 734                 }
 735                 return array( $tables, $index, $condition, $join_conds );
 736         }
 737
 738         function getNamespaceCond() {
 739                 if ( $this->namespace !== '' ) {
 740                         $selectedNS = $this->mDb->addQuotes( $this->namespace );
 741                         $eq_op = $this->nsInvert ? '!=' : '=';
 742                         $bool_op = $this->nsInvert ? 'AND' : 'OR';
 743
 744                         if ( !$this->associated ) {
 745                                 return array( "page_namespace $eq_op $selectedNS" );
 746                         } else {
 747                                 $associatedNS = $this->mDb->addQuotes (
 748                                         MWNamespace::getAssociated( $this->namespace )
 749                                 );
 750                                 return array(
 751                                         "page_namespace $eq_op $selectedNS " .
 752                                         $bool_op .
 753                                         " page_namespace $eq_op $associatedNS"
 754                                 );
 755                         }
 756
 757                 } else {
 758                         return array();
 759                 }
 760         }
 761
 762         function getIndexField() {
 763                 return 'rev_timestamp';
 764         }
 765
 766         function doBatchLookups() {
 767                 # Do a link batch query
 768                 $this->mResult->seek( 0 );
 769                 $revIds = array();
 770                 $batch = new LinkBatch();
 771                 # Give some pointers to make (last) links
 772                 foreach ( $this->mResult as $row ) {
 773                         if( isset( $row->rev_parent_id ) && $row->rev_parent_id ) {
 774                                 $revIds[] = $row->rev_parent_id;
 775                         }
 776                         if ( isset( $row->rev_id ) ) {
 777                                 if ( $this->contribs === 'newbie' ) { // multiple users
 778                                         $batch->add( NS_USER, $row->user_name );
 779                                         $batch->add( NS_USER_TALK, $row->user_name );
 780                                 }
 781                                 $batch->add( $row->page_namespace, $row->page_title );
 782                         }
 783                 }
 784                 $this->mParentLens = Revision::getParentLengths( $this->getDatabase(), $revIds );
 785                 $batch->execute();
 786                 $this->mResult->seek( 0 );
 787         }
 788
 789         /**
 790          * @return string
 791          */
 792         function getStartBody() {
 793                 return "<ul>\n";
 794         }
 795
 796         /**
 797          * @return string
 798          */
 799         function getEndBody() {
 800                 return "</ul>\n";
 801         }
 802
 803         /**
 804          * Generates each row in the contributions list.
 805          *
 806          * Contributions which are marked "top" are currently on top of the history.
 807          * For these contributions, a [rollback] link is shown for users with roll-
 808          * back privileges. The rollback link restores the most recent version that
 809          * was not written by the target user.
 810          *
 811          * @todo This would probably look a lot nicer in a table.
 812          * @param $row
 813          * @return string
 814          */
 815         function formatRow( $row ) {
 816                 wfProfileIn( __METHOD__ );
 817
 818                 $ret = '';
 819                 $classes = array();
 820
 821                 /*
 822                  * There may be more than just revision rows. To make sure that we'll only be processing
 823                  * revisions here, let's _try_ to build a revision out of our row (without displaying
 824                  * notices though) and then trying to grab data from the built object. If we succeed,
 825                  * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
 826                  * to extensions to subscribe to the hook to parse the row.
 827                  */
 828                 wfSuppressWarnings();
 829                 $rev = new Revision( $row );
 830                 $validRevision = $rev->getParentId() !== null;
 831                 wfRestoreWarnings();
 832
 833                 if ( $validRevision ) {
 834                         $classes = array();
 835
 836                         $page = Title::newFromRow( $row );
 837                         $link = Linker::link(
 838                                 $page,
 839                                 htmlspecialchars( $page->getPrefixedText() ),
 840                                 array( 'class' => 'mw-contributions-title' ),
 841                                 $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 842                         );
 843                         # Mark current revisions
 844                         $topmarktext = '';
 845                         $user = $this->getUser();
 846                         if ( $row->rev_id == $row->page_latest ) {
 847                                 $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 848                                 # Add rollback link
 849                                 if ( !$row->page_is_new && $page->quickUserCan( 'rollback', $user )
 850                                         && $page->quickUserCan( 'edit', $user ) )
 851                                 {
 852                                         $this->preventClickjacking();
 853                                         $topmarktext .= ' ' . Linker::generateRollback( $rev, $this->getContext() );
 854                                 }
 855                         }
 856                         # Is there a visible previous revision?
 857                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) && $rev->getParentId() !== 0 ) {
 858                                 $difftext = Linker::linkKnown(
 859                                         $page,
 860                                         $this->messages['diff'],
 861                                         array(),
 862                                         array(
 863                                                 'diff' => 'prev',
 864                                                 'oldid' => $row->rev_id
 865                                         )
 866                                 );
 867                         } else {
 868                                 $difftext = $this->messages['diff'];
 869                         }
 870                         $histlink = Linker::linkKnown(
 871                                 $page,
 872                                 $this->messages['hist'],
 873                                 array(),
 874                                 array( 'action' => 'history' )
 875                         );
 876
 877                         if ( $row->rev_parent_id === null ) {
 878                                 // For some reason rev_parent_id isn't populated for this row.
 879                                 // Its rumoured this is true on wikipedia for some revisions (bug 34922).
 880                                 // Next best thing is to have the total number of bytes.
 881                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . Linker::formatRevisionSize( $row->rev_len ) . ' <span class="mw-changeslist-separator">. .</span> ';
 882                         } else {
 883                                 $parentLen = isset( $this->mParentLens[$row->rev_parent_id] ) ? $this->mParentLens[$row->rev_parent_id] : 0;
 884                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . ChangesList::showCharacterDifference(
 885                                                 $parentLen, $row->rev_len, $this->getContext() ) . ' <span class="mw-changeslist-separator">. .</span> ';
 886                         }
 887
 888                         $lang = $this->getLanguage();
 889                         $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
 890                         $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
 891                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
 892                                 $d = Linker::linkKnown(
 893                                         $page,
 894                                         htmlspecialchars( $date ),
 895                                         array( 'class' => 'mw-changeslist-date' ),
 896                                         array( 'oldid' => intval( $row->rev_id ) )
 897                                 );
 898                         } else {
 899                                 $d = htmlspecialchars( $date );
 900                         }
 901                         if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 902                                 $d = '<span class="history-deleted">' . $d . '</span>';
 903                         }
 904
 905                         # Show user names for /newbies as there may be different users.
 906                         # Note that we already excluded rows with hidden user names.
 907                         if ( $this->contribs == 'newbie' ) {
 908                                 $userlink = ' . . ' . Linker::userLink( $rev->getUser(), $rev->getUserText() );
 909                                 $userlink .= ' ' . $this->msg( 'parentheses' )->rawParams(
 910                                         Linker::userTalkLink( $rev->getUser(), $rev->getUserText() ) )->escaped() . ' ';
 911                         } else {
 912                                 $userlink = '';
 913                         }
 914
 915                         if ( $rev->getParentId() === 0 ) {
 916                                 $nflag = ChangesList::flag( 'newpage' );
 917                         } else {
 918                                 $nflag = '';
 919                         }
 920
 921                         if ( $rev->isMinor() ) {
 922                                 $mflag = ChangesList::flag( 'minor' );
 923                         } else {
 924                                 $mflag = '';
 925                         }
 926
 927                         $del = Linker::getRevDeleteLink( $user, $rev, $page );
 928                         if ( $del !== '' ) {
 929                                 $del .= ' ';
 930                         }
 931
 932                         $diffHistLinks = $this->msg( 'parentheses' )->rawParams( $difftext . $this->messages['pipe-separator'] . $histlink )->escaped();
 933                         $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 934
 935                         # Denote if username is redacted for this edit
 936                         if ( $rev->isDeleted( Revision::DELETED_USER ) ) {
 937                                 $ret .= " <strong>" . $this->msg( 'rev-deleted-user-contribs' )->escaped() . "</strong>";
 938                         }
 939
 940                         # Tags, if any.
 941                         list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 942                         $classes = array_merge( $classes, $newClasses );
 943                         $ret .= " $tagSummary";
 944                 }
 945
 946                 // Let extensions add data
 947                 wfRunHooks( 'ContributionsLineEnding', array( $this, &$ret, $row, &$classes ) );
 948
 949                 $classes = implode( ' ', $classes );
 950                 $ret = "<li class=\"$classes\">$ret</li>\n";
 951
 952                 wfProfileOut( __METHOD__ );
 953                 return $ret;
 954         }
 955
 956         /**
 957          * Overwrite Pager function and return a helpful comment
 958          * @return string
 959          */
 960         function getSqlComment() {
 961                 if ( $this->namespace || $this->deletedOnly ) {
 962                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 963                 } else {
 964                         return 'contributions page unfiltered';
 965                 }
 966         }
 967
 968         protected function preventClickjacking() {
 969                 $this->preventClickjacking = true;
 970         }
 971
 972         /**
 973          * @return bool
 974          */
 975         public function getPreventClickjacking() {
 976                 return $this->preventClickjacking;
 977         }
 978 }