includes/revisiondelete/RevisionDelete.php

   1 <?php
   2 /**
   3  * Base implementations for deletable items.
   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 RevisionDelete
  22  */
  23
  24 /**
  25  * List for revision table items
  26  *
  27  * This will check both the 'revision' table for live revisions and the
  28  * 'archive' table for traditionally-deleted revisions that have an
  29  * ar_rev_id saved.
  30  *
  31  * See RevDel_RevisionItem and RevDel_ArchivedRevisionItem for items.
  32  */
  33 class RevDel_RevisionList extends RevDel_List {
  34         var $currentRevId;
  35
  36         public function getType() {
  37                 return 'revision';
  38         }
  39
  40         public static function getRelationType() {
  41                 return 'rev_id';
  42         }
  43
  44         /**
  45          * @param $db DatabaseBase
  46          * @return mixed
  47          */
  48         public function doQuery( $db ) {
  49                 $ids = array_map( 'intval', $this->ids );
  50                 $live = $db->select(
  51                         array( 'revision', 'page', 'user' ),
  52                         array_merge( Revision::selectFields(), Revision::selectUserFields() ),
  53                         array(
  54                                 'rev_page' => $this->title->getArticleID(),
  55                                 'rev_id'   => $ids,
  56                         ),
  57                         __METHOD__,
  58                         array( 'ORDER BY' => 'rev_id DESC' ),
  59                         array(
  60                                 'page' => Revision::pageJoinCond(),
  61                                 'user' => Revision::userJoinCond() )
  62                 );
  63
  64                 if ( $live->numRows() >= count( $ids ) ) {
  65                         // All requested revisions are live, keeps things simple!
  66                         return $live;
  67                 }
  68
  69                 // Check if any requested revisions are available fully deleted.
  70                 $archived = $db->select( array( 'archive' ), '*',
  71                         array(
  72                                 'ar_rev_id' => $ids
  73                         ),
  74                         __METHOD__,
  75                         array( 'ORDER BY' => 'ar_rev_id DESC' )
  76                 );
  77
  78                 if ( $archived->numRows() == 0 ) {
  79                         return $live;
  80                 } elseif ( $live->numRows() == 0 ) {
  81                         return $archived;
  82                 } else {
  83                         // Combine the two! Whee
  84                         $rows = array();
  85                         foreach ( $live as $row ) {
  86                                 $rows[$row->rev_id] = $row;
  87                         }
  88                         foreach ( $archived as $row ) {
  89                                 $rows[$row->ar_rev_id] = $row;
  90                         }
  91                         krsort( $rows );
  92                         return new FakeResultWrapper( array_values( $rows ) );
  93                 }
  94         }
  95
  96         public function newItem( $row ) {
  97                 if ( isset( $row->rev_id ) ) {
  98                         return new RevDel_RevisionItem( $this, $row );
  99                 } elseif ( isset( $row->ar_rev_id ) ) {
 100                         return new RevDel_ArchivedRevisionItem( $this, $row );
 101                 } else {
 102                         // This shouldn't happen. :)
 103                         throw new MWException( 'Invalid row type in RevDel_RevisionList' );
 104                 }
 105         }
 106
 107         public function getCurrent() {
 108                 if ( is_null( $this->currentRevId ) ) {
 109                         $dbw = wfGetDB( DB_MASTER );
 110                         $this->currentRevId = $dbw->selectField(
 111                                 'page', 'page_latest', $this->title->pageCond(), __METHOD__ );
 112                 }
 113                 return $this->currentRevId;
 114         }
 115
 116         public function getSuppressBit() {
 117                 return Revision::DELETED_RESTRICTED;
 118         }
 119
 120         public function doPreCommitUpdates() {
 121                 $this->title->invalidateCache();
 122                 return Status::newGood();
 123         }
 124
 125         public function doPostCommitUpdates() {
 126                 $this->title->purgeSquid();
 127                 // Extensions that require referencing previous revisions may need this
 128                 wfRunHooks( 'ArticleRevisionVisibilitySet', array( &$this->title ) );
 129                 return Status::newGood();
 130         }
 131 }
 132
 133 /**
 134  * Item class for a live revision table row
 135  */
 136 class RevDel_RevisionItem extends RevDel_Item {
 137         var $revision;
 138
 139         public function __construct( $list, $row ) {
 140                 parent::__construct( $list, $row );
 141                 $this->revision = new Revision( $row );
 142         }
 143
 144         public function getIdField() {
 145                 return 'rev_id';
 146         }
 147
 148         public function getTimestampField() {
 149                 return 'rev_timestamp';
 150         }
 151
 152         public function getAuthorIdField() {
 153                 return 'rev_user';
 154         }
 155
 156         public function getAuthorNameField() {
 157                 return 'user_name'; // see Revision::selectUserFields()
 158         }
 159
 160         public function canView() {
 161                 return $this->revision->userCan( Revision::DELETED_RESTRICTED, $this->list->getUser() );
 162         }
 163
 164         public function canViewContent() {
 165                 return $this->revision->userCan( Revision::DELETED_TEXT, $this->list->getUser() );
 166         }
 167
 168         public function getBits() {
 169                 return $this->revision->getVisibility();
 170         }
 171
 172         public function setBits( $bits ) {
 173                 $dbw = wfGetDB( DB_MASTER );
 174                 // Update revision table
 175                 $dbw->update( 'revision',
 176                         array( 'rev_deleted' => $bits ),
 177                         array(
 178                                 'rev_id' => $this->revision->getId(),
 179                                 'rev_page' => $this->revision->getPage(),
 180                                 'rev_deleted' => $this->getBits()
 181                         ),
 182                         __METHOD__
 183                 );
 184                 if ( !$dbw->affectedRows() ) {
 185                         // Concurrent fail!
 186                         return false;
 187                 }
 188                 // Update recentchanges table
 189                 $dbw->update( 'recentchanges',
 190                         array(
 191                                 'rc_deleted' => $bits,
 192                                 'rc_patrolled' => 1
 193                         ),
 194                         array(
 195                                 'rc_this_oldid' => $this->revision->getId(), // condition
 196                                 // non-unique timestamp index
 197                                 'rc_timestamp' => $dbw->timestamp( $this->revision->getTimestamp() ),
 198                         ),
 199                         __METHOD__
 200                 );
 201                 return true;
 202         }
 203
 204         public function isDeleted() {
 205                 return $this->revision->isDeleted( Revision::DELETED_TEXT );
 206         }
 207
 208         public function isHideCurrentOp( $newBits ) {
 209                 return ( $newBits & Revision::DELETED_TEXT )
 210                         && $this->list->getCurrent() == $this->getId();
 211         }
 212
 213         /**
 214          * Get the HTML link to the revision text.
 215          * Overridden by RevDel_ArchiveItem.
 216          * @return string
 217          */
 218         protected function getRevisionLink() {
 219                 $date = $this->list->getLanguage()->userTimeAndDate(
 220                         $this->revision->getTimestamp(), $this->list->getUser() );
 221                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 222                         return $date;
 223                 }
 224                 return Linker::link(
 225                         $this->list->title,
 226                         $date,
 227                         array(),
 228                         array(
 229                                 'oldid' => $this->revision->getId(),
 230                                 'unhide' => 1
 231                         )
 232                 );
 233         }
 234
 235         /**
 236          * Get the HTML link to the diff.
 237          * Overridden by RevDel_ArchiveItem
 238          * @return string
 239          */
 240         protected function getDiffLink() {
 241                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 242                         return $this->list->msg( 'diff' )->escaped();
 243                 } else {
 244                         return
 245                                 Linker::link(
 246                                         $this->list->title,
 247                                         $this->list->msg( 'diff' )->escaped(),
 248                                         array(),
 249                                         array(
 250                                                 'diff' => $this->revision->getId(),
 251                                                 'oldid' => 'prev',
 252                                                 'unhide' => 1
 253                                         ),
 254                                         array(
 255                                                 'known',
 256                                                 'noclasses'
 257                                         )
 258                                 );
 259                 }
 260         }
 261
 262         public function getHTML() {
 263                 $difflink = wfMessage( 'parentheses' )->rawParams( $this->getDiffLink() );
 264                 $revlink = $this->getRevisionLink();
 265                 $userlink = Linker::revUserLink( $this->revision );
 266                 $comment = Linker::revComment( $this->revision );
 267                 if ( $this->isDeleted() ) {
 268                         $revlink = "<span class=\"history-deleted\">$revlink</span>";
 269                 }
 270                 return "<li>$difflink $revlink $userlink $comment</li>";
 271         }
 272 }
 273
 274 /**
 275  * List for archive table items, i.e. revisions deleted via action=delete
 276  */
 277 class RevDel_ArchiveList extends RevDel_RevisionList {
 278         public function getType() {
 279                 return 'archive';
 280         }
 281
 282         public static function getRelationType() {
 283                 return 'ar_timestamp';
 284         }
 285
 286         /**
 287          * @param $db DatabaseBase
 288          * @return mixed
 289          */
 290         public function doQuery( $db ) {
 291                 $timestamps = array();
 292                 foreach ( $this->ids as $id ) {
 293                         $timestamps[] = $db->timestamp( $id );
 294                 }
 295                 return $db->select( 'archive', '*',
 296                                 array(
 297                                         'ar_namespace' => $this->title->getNamespace(),
 298                                         'ar_title'     => $this->title->getDBkey(),
 299                                         'ar_timestamp' => $timestamps
 300                                 ),
 301                                 __METHOD__,
 302                                 array( 'ORDER BY' => 'ar_timestamp DESC' )
 303                         );
 304         }
 305
 306         public function newItem( $row ) {
 307                 return new RevDel_ArchiveItem( $this, $row );
 308         }
 309
 310         public function doPreCommitUpdates() {
 311                 return Status::newGood();
 312         }
 313
 314         public function doPostCommitUpdates() {
 315                 return Status::newGood();
 316         }
 317 }
 318
 319 /**
 320  * Item class for a archive table row
 321  */
 322 class RevDel_ArchiveItem extends RevDel_RevisionItem {
 323         public function __construct( $list, $row ) {
 324                 RevDel_Item::__construct( $list, $row );
 325                 $this->revision = Revision::newFromArchiveRow( $row,
 326                         array( 'page' => $this->list->title->getArticleID() ) );
 327         }
 328
 329         public function getIdField() {
 330                 return 'ar_timestamp';
 331         }
 332
 333         public function getTimestampField() {
 334                 return 'ar_timestamp';
 335         }
 336
 337         public function getAuthorIdField() {
 338                 return 'ar_user';
 339         }
 340
 341         public function getAuthorNameField() {
 342                 return 'ar_user_text';
 343         }
 344
 345         public function getId() {
 346                 # Convert DB timestamp to MW timestamp
 347                 return $this->revision->getTimestamp();
 348         }
 349
 350         public function setBits( $bits ) {
 351                 $dbw = wfGetDB( DB_MASTER );
 352                 $dbw->update( 'archive',
 353                         array( 'ar_deleted' => $bits ),
 354                         array(
 355                                 'ar_namespace'  => $this->list->title->getNamespace(),
 356                                 'ar_title'      => $this->list->title->getDBkey(),
 357                                 // use timestamp for index
 358                                 'ar_timestamp'  => $this->row->ar_timestamp,
 359                                 'ar_rev_id'     => $this->row->ar_rev_id,
 360                                 'ar_deleted'    => $this->getBits()
 361                         ),
 362                         __METHOD__ );
 363                 return (bool)$dbw->affectedRows();
 364         }
 365
 366         protected function getRevisionLink() {
 367                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 368                 $date = $this->list->getLanguage()->userTimeAndDate(
 369                         $this->revision->getTimestamp(), $this->list->getUser() );
 370                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 371                         return $date;
 372                 }
 373                 return Linker::link( $undelete, $date, array(),
 374                         array(
 375                                 'target' => $this->list->title->getPrefixedText(),
 376                                 'timestamp' => $this->revision->getTimestamp()
 377                         ) );
 378         }
 379
 380         protected function getDiffLink() {
 381                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 382                         return $this->list->msg( 'diff' )->escaped();
 383                 }
 384                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 385                 return Linker::link( $undelete, $this->list->msg( 'diff' )->escaped(), array(),
 386                         array(
 387                                 'target' => $this->list->title->getPrefixedText(),
 388                                 'diff' => 'prev',
 389                                 'timestamp' => $this->revision->getTimestamp()
 390                         ) );
 391         }
 392 }
 393
 394
 395 /**
 396  * Item class for a archive table row by ar_rev_id -- actually
 397  * used via RevDel_RevisionList.
 398  */
 399 class RevDel_ArchivedRevisionItem extends RevDel_ArchiveItem {
 400         public function __construct( $list, $row ) {
 401                 RevDel_Item::__construct( $list, $row );
 402
 403                 $this->revision = Revision::newFromArchiveRow( $row,
 404                         array( 'page' => $this->list->title->getArticleID() ) );
 405         }
 406
 407         public function getIdField() {
 408                 return 'ar_rev_id';
 409         }
 410
 411         public function getId() {
 412                 return $this->revision->getId();
 413         }
 414
 415         public function setBits( $bits ) {
 416                 $dbw = wfGetDB( DB_MASTER );
 417                 $dbw->update( 'archive',
 418                         array( 'ar_deleted' => $bits ),
 419                         array( 'ar_rev_id' => $this->row->ar_rev_id,
 420                                    'ar_deleted' => $this->getBits()
 421                         ),
 422                         __METHOD__ );
 423                 return (bool)$dbw->affectedRows();
 424         }
 425 }
 426
 427 /**
 428  * List for oldimage table items
 429  */
 430 class RevDel_FileList extends RevDel_List {
 431         public function getType() {
 432                 return 'oldimage';
 433         }
 434
 435         public static function getRelationType() {
 436                 return 'oi_archive_name';
 437         }
 438
 439         var $storeBatch, $deleteBatch, $cleanupBatch;
 440
 441         /**
 442          * @param $db DatabaseBase
 443          * @return mixed
 444          */
 445         public function doQuery( $db ) {
 446                 $archiveNames = array();
 447                 foreach( $this->ids as $timestamp ) {
 448                         $archiveNames[] = $timestamp . '!' . $this->title->getDBkey();
 449                 }
 450                 return $db->select( 'oldimage', '*',
 451                         array(
 452                                 'oi_name'         => $this->title->getDBkey(),
 453                                 'oi_archive_name' => $archiveNames
 454                         ),
 455                         __METHOD__,
 456                         array( 'ORDER BY' => 'oi_timestamp DESC' )
 457                 );
 458         }
 459
 460         public function newItem( $row ) {
 461                 return new RevDel_FileItem( $this, $row );
 462         }
 463
 464         public function clearFileOps() {
 465                 $this->deleteBatch = array();
 466                 $this->storeBatch = array();
 467                 $this->cleanupBatch = array();
 468         }
 469
 470         public function doPreCommitUpdates() {
 471                 $status = Status::newGood();
 472                 $repo = RepoGroup::singleton()->getLocalRepo();
 473                 if ( $this->storeBatch ) {
 474                         $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) );
 475                 }
 476                 if ( !$status->isOK() ) {
 477                         return $status;
 478                 }
 479                 if ( $this->deleteBatch ) {
 480                         $status->merge( $repo->deleteBatch( $this->deleteBatch ) );
 481                 }
 482                 if ( !$status->isOK() ) {
 483                         // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already
 484                         // modified (but destined for rollback) causes data loss
 485                         return $status;
 486                 }
 487                 if ( $this->cleanupBatch ) {
 488                         $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) );
 489                 }
 490                 return $status;
 491         }
 492
 493         public function doPostCommitUpdates() {
 494                 $file = wfLocalFile( $this->title );
 495                 $file->purgeCache();
 496                 $file->purgeDescription();
 497                 return Status::newGood();
 498         }
 499
 500         public function getSuppressBit() {
 501                 return File::DELETED_RESTRICTED;
 502         }
 503 }
 504
 505 /**
 506  * Item class for an oldimage table row
 507  */
 508 class RevDel_FileItem extends RevDel_Item {
 509
 510         /**
 511          * @var File
 512          */
 513         var $file;
 514
 515         public function __construct( $list, $row ) {
 516                 parent::__construct( $list, $row );
 517                 $this->file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row );
 518         }
 519
 520         public function getIdField() {
 521                 return 'oi_archive_name';
 522         }
 523
 524         public function getTimestampField() {
 525                 return 'oi_timestamp';
 526         }
 527
 528         public function getAuthorIdField() {
 529                 return 'oi_user';
 530         }
 531
 532         public function getAuthorNameField() {
 533                 return 'oi_user_text';
 534         }
 535
 536         public function getId() {
 537                 $parts = explode( '!', $this->row->oi_archive_name );
 538                 return $parts[0];
 539         }
 540
 541         public function canView() {
 542                 return $this->file->userCan( File::DELETED_RESTRICTED, $this->list->getUser() );
 543         }
 544
 545         public function canViewContent() {
 546                 return $this->file->userCan( File::DELETED_FILE, $this->list->getUser() );
 547         }
 548
 549         public function getBits() {
 550                 return $this->file->getVisibility();
 551         }
 552
 553         public function setBits( $bits ) {
 554                 # Queue the file op
 555                 # @todo FIXME: Move to LocalFile.php
 556                 if ( $this->isDeleted() ) {
 557                         if ( $bits & File::DELETED_FILE ) {
 558                                 # Still deleted
 559                         } else {
 560                                 # Newly undeleted
 561                                 $key = $this->file->getStorageKey();
 562                                 $srcRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
 563                                 $this->list->storeBatch[] = array(
 564                                         $this->file->repo->getVirtualUrl( 'deleted' ) . '/' . $srcRel,
 565                                         'public',
 566                                         $this->file->getRel()
 567                                 );
 568                                 $this->list->cleanupBatch[] = $key;
 569                         }
 570                 } elseif ( $bits & File::DELETED_FILE ) {
 571                         # Newly deleted
 572                         $key = $this->file->getStorageKey();
 573                         $dstRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
 574                         $this->list->deleteBatch[] = array( $this->file->getRel(), $dstRel );
 575                 }
 576
 577                 # Do the database operations
 578                 $dbw = wfGetDB( DB_MASTER );
 579                 $dbw->update( 'oldimage',
 580                         array( 'oi_deleted' => $bits ),
 581                         array(
 582                                 'oi_name' => $this->row->oi_name,
 583                                 'oi_timestamp' => $this->row->oi_timestamp,
 584                                 'oi_deleted' => $this->getBits()
 585                         ),
 586                         __METHOD__
 587                 );
 588                 return (bool)$dbw->affectedRows();
 589         }
 590
 591         public function isDeleted() {
 592                 return $this->file->isDeleted( File::DELETED_FILE );
 593         }
 594
 595         /**
 596          * Get the link to the file.
 597          * Overridden by RevDel_ArchivedFileItem.
 598          * @return string
 599          */
 600         protected function getLink() {
 601                 $date = $this->list->getLanguage()->userTimeAndDate(
 602                         $this->file->getTimestamp(), $this->list->getUser() );
 603                 if ( $this->isDeleted() ) {
 604                         # Hidden files...
 605                         if ( !$this->canViewContent() ) {
 606                                 $link = $date;
 607                         } else {
 608                                 $revdelete = SpecialPage::getTitleFor( 'Revisiondelete' );
 609                                 $link = Linker::link(
 610                                         $revdelete,
 611                                         $date, array(),
 612                                         array(
 613                                                 'target' => $this->list->title->getPrefixedText(),
 614                                                 'file'   => $this->file->getArchiveName(),
 615                                                 'token'  => $this->list->getUser()->getEditToken(
 616                                                         $this->file->getArchiveName() )
 617                                         )
 618                                 );
 619                         }
 620                         return '<span class="history-deleted">' . $link . '</span>';
 621                 } else {
 622                         # Regular files...
 623                         return Xml::element( 'a', array( 'href' => $this->file->getUrl() ), $date );
 624                 }
 625         }
 626         /**
 627          * Generate a user tool link cluster if the current user is allowed to view it
 628          * @return string HTML
 629          */
 630         protected function getUserTools() {
 631                 if( $this->file->userCan( Revision::DELETED_USER, $this->list->getUser() ) ) {
 632                         $link = Linker::userLink( $this->file->user, $this->file->user_text ) .
 633                                 Linker::userToolLinks( $this->file->user, $this->file->user_text );
 634                 } else {
 635                         $link = $this->list->msg( 'rev-deleted-user' )->escaped();
 636                 }
 637                 if( $this->file->isDeleted( Revision::DELETED_USER ) ) {
 638                         return '<span class="history-deleted">' . $link . '</span>';
 639                 }
 640                 return $link;
 641         }
 642
 643         /**
 644          * Wrap and format the file's comment block, if the current
 645          * user is allowed to view it.
 646          *
 647          * @return string HTML
 648          */
 649         protected function getComment() {
 650                 if( $this->file->userCan( File::DELETED_COMMENT, $this->list->getUser() ) ) {
 651                         $block = Linker::commentBlock( $this->file->description );
 652                 } else {
 653                         $block = ' ' . $this->list->msg( 'rev-deleted-comment' )->escaped();
 654                 }
 655                 if( $this->file->isDeleted( File::DELETED_COMMENT ) ) {
 656                         return "<span class=\"history-deleted\">$block</span>";
 657                 }
 658                 return $block;
 659         }
 660
 661         public function getHTML() {
 662                 $data =
 663                         $this->list->msg( 'widthheight' )->numParams(
 664                                 $this->file->getWidth(), $this->file->getHeight() )->text() .
 665                         ' (' . $this->list->msg( 'nbytes' )->numParams( $this->file->getSize() )->text() . ')';
 666
 667                 return '<li>' . $this->getLink() . ' ' . $this->getUserTools() . ' ' .
 668                         $data . ' ' . $this->getComment(). '</li>';
 669         }
 670 }
 671
 672 /**
 673  * List for filearchive table items
 674  */
 675 class RevDel_ArchivedFileList extends RevDel_FileList {
 676         public function getType() {
 677                 return 'filearchive';
 678         }
 679
 680         public static function getRelationType() {
 681                 return 'fa_id';
 682         }
 683
 684         /**
 685          * @param $db DatabaseBase
 686          * @return mixed
 687          */
 688         public function doQuery( $db ) {
 689                 $ids = array_map( 'intval', $this->ids );
 690                 return $db->select( 'filearchive', '*',
 691                         array(
 692                                 'fa_name' => $this->title->getDBkey(),
 693                                 'fa_id'   => $ids
 694                         ),
 695                         __METHOD__,
 696                         array( 'ORDER BY' => 'fa_id DESC' )
 697                 );
 698         }
 699
 700         public function newItem( $row ) {
 701                 return new RevDel_ArchivedFileItem( $this, $row );
 702         }
 703 }
 704
 705 /**
 706  * Item class for a filearchive table row
 707  */
 708 class RevDel_ArchivedFileItem extends RevDel_FileItem {
 709         public function __construct( $list, $row ) {
 710                 RevDel_Item::__construct( $list, $row );
 711                 $this->file = ArchivedFile::newFromRow( $row );
 712         }
 713
 714         public function getIdField() {
 715                 return 'fa_id';
 716         }
 717
 718         public function getTimestampField() {
 719                 return 'fa_timestamp';
 720         }
 721
 722         public function getAuthorIdField() {
 723                 return 'fa_user';
 724         }
 725
 726         public function getAuthorNameField() {
 727                 return 'fa_user_text';
 728         }
 729
 730         public function getId() {
 731                 return $this->row->fa_id;
 732         }
 733
 734         public function setBits( $bits ) {
 735                 $dbw = wfGetDB( DB_MASTER );
 736                 $dbw->update( 'filearchive',
 737                         array( 'fa_deleted' => $bits ),
 738                         array(
 739                                 'fa_id' => $this->row->fa_id,
 740                                 'fa_deleted' => $this->getBits(),
 741                         ),
 742                         __METHOD__
 743                 );
 744                 return (bool)$dbw->affectedRows();
 745         }
 746
 747         protected function getLink() {
 748                 $date = $this->list->getLanguage()->userTimeAndDate(
 749                         $this->file->getTimestamp(), $this->list->getUser() );
 750                 $undelete = SpecialPage::getTitleFor( 'Undelete' );
 751                 $key = $this->file->getKey();
 752                 # Hidden files...
 753                 if( !$this->canViewContent() ) {
 754                         $link = $date;
 755                 } else {
 756                         $link = Linker::link( $undelete, $date, array(),
 757                                 array(
 758                                         'target' => $this->list->title->getPrefixedText(),
 759                                         'file' => $key,
 760                                         'token' => $this->list->getUser()->getEditToken( $key )
 761                                 )
 762                         );
 763                 }
 764                 if( $this->isDeleted() ) {
 765                         $link = '<span class="history-deleted">' . $link . '</span>';
 766                 }
 767                 return $link;
 768         }
 769 }
 770
 771 /**
 772  * List for logging table items
 773  */
 774 class RevDel_LogList extends RevDel_List {
 775         public function getType() {
 776                 return 'logging';
 777         }
 778
 779         public static function getRelationType() {
 780                 return 'log_id';
 781         }
 782
 783         /**
 784          * @param $db DatabaseBase
 785          * @return mixed
 786          */
 787         public function doQuery( $db ) {
 788                 $ids = array_map( 'intval', $this->ids );
 789                 return $db->select( 'logging', '*',
 790                         array( 'log_id' => $ids ),
 791                         __METHOD__,
 792                         array( 'ORDER BY' => 'log_id DESC' )
 793                 );
 794         }
 795
 796         public function newItem( $row ) {
 797                 return new RevDel_LogItem( $this, $row );
 798         }
 799
 800         public function getSuppressBit() {
 801                 return Revision::DELETED_RESTRICTED;
 802         }
 803
 804         public function getLogAction() {
 805                 return 'event';
 806         }
 807
 808         public function getLogParams( $params ) {
 809                 return array(
 810                         implode( ',', $params['ids'] ),
 811                         "ofield={$params['oldBits']}",
 812                         "nfield={$params['newBits']}"
 813                 );
 814         }
 815 }
 816
 817 /**
 818  * Item class for a logging table row
 819  */
 820 class RevDel_LogItem extends RevDel_Item {
 821         public function getIdField() {
 822                 return 'log_id';
 823         }
 824
 825         public function getTimestampField() {
 826                 return 'log_timestamp';
 827         }
 828
 829         public function getAuthorIdField() {
 830                 return 'log_user';
 831         }
 832
 833         public function getAuthorNameField() {
 834                 return 'log_user_text';
 835         }
 836
 837         public function canView() {
 838                 return LogEventsList::userCan( $this->row, Revision::DELETED_RESTRICTED, $this->list->getUser() );
 839         }
 840
 841         public function canViewContent() {
 842                 return true; // none
 843         }
 844
 845         public function getBits() {
 846                 return $this->row->log_deleted;
 847         }
 848
 849         public function setBits( $bits ) {
 850                 $dbw = wfGetDB( DB_MASTER );
 851                 $dbw->update( 'recentchanges',
 852                         array(
 853                                 'rc_deleted' => $bits,
 854                                 'rc_patrolled' => 1
 855                         ),
 856                         array(
 857                                 'rc_logid' => $this->row->log_id,
 858                                 'rc_timestamp' => $this->row->log_timestamp // index
 859                         ),
 860                         __METHOD__
 861                 );
 862                 $dbw->update( 'logging',
 863                         array( 'log_deleted' => $bits ),
 864                         array(
 865                                 'log_id' => $this->row->log_id,
 866                                 'log_deleted' => $this->getBits()
 867                         ),
 868                         __METHOD__
 869                 );
 870                 return (bool)$dbw->affectedRows();
 871         }
 872
 873         public function getHTML() {
 874                 $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 875                         $this->row->log_timestamp, $this->list->getUser() ) );
 876                 $title = Title::makeTitle( $this->row->log_namespace, $this->row->log_title );
 877                 $formatter = LogFormatter::newFromRow( $this->row );
 878                 $formatter->setContext( $this->list->getContext() );
 879                 $formatter->setAudience( LogFormatter::FOR_THIS_USER );
 880
 881                 // Log link for this page
 882                 $loglink = Linker::link(
 883                         SpecialPage::getTitleFor( 'Log' ),
 884                         $this->list->msg( 'log' )->escaped(),
 885                         array(),
 886                         array( 'page' => $title->getPrefixedText() )
 887                 );
 888                 $loglink = wfMessage( 'parentheses' )->rawParams( $loglink );
 889                 // User links and action text
 890                 $action = $formatter->getActionText();
 891                 // Comment
 892                 $comment = $this->list->getLanguage()->getDirMark() . Linker::commentBlock( $this->row->log_comment );
 893                 if( LogEventsList::isDeleted($this->row,LogPage::DELETED_COMMENT) ) {
 894                         $comment = '<span class="history-deleted">' . $comment . '</span>';
 895                 }
 896
 897                 return "<li>$loglink $date $action $comment</li>";
 898         }
 899 }