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 = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 220                         $this->revision->getTimestamp(), $this->list->getUser() ) );
 221
 222                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 223                         return $date;
 224                 }
 225                 return Linker::linkKnown(
 226                         $this->list->title,
 227                         $date,
 228                         array(),
 229                         array(
 230                                 'oldid' => $this->revision->getId(),
 231                                 'unhide' => 1
 232                         )
 233                 );
 234         }
 235
 236         /**
 237          * Get the HTML link to the diff.
 238          * Overridden by RevDel_ArchiveItem
 239          * @return string
 240          */
 241         protected function getDiffLink() {
 242                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 243                         return $this->list->msg( 'diff' )->escaped();
 244                 } else {
 245                         return
 246                                 Linker::linkKnown(
 247                                         $this->list->title,
 248                                         $this->list->msg( 'diff' )->escaped(),
 249                                         array(),
 250                                         array(
 251                                                 'diff' => $this->revision->getId(),
 252                                                 'oldid' => 'prev',
 253                                                 'unhide' => 1
 254                                         )
 255                                 );
 256                 }
 257         }
 258
 259         public function getHTML() {
 260                 $difflink = $this->list->msg( 'parentheses' )
 261                         ->rawParams( $this->getDiffLink() )->escaped();
 262                 $revlink = $this->getRevisionLink();
 263                 $userlink = Linker::revUserLink( $this->revision );
 264                 $comment = Linker::revComment( $this->revision );
 265                 if ( $this->isDeleted() ) {
 266                         $revlink = "<span class=\"history-deleted\">$revlink</span>";
 267                 }
 268                 return "<li>$difflink $revlink $userlink $comment</li>";
 269         }
 270 }
 271
 272 /**
 273  * List for archive table items, i.e. revisions deleted via action=delete
 274  */
 275 class RevDel_ArchiveList extends RevDel_RevisionList {
 276         public function getType() {
 277                 return 'archive';
 278         }
 279
 280         public static function getRelationType() {
 281                 return 'ar_timestamp';
 282         }
 283
 284         /**
 285          * @param $db DatabaseBase
 286          * @return mixed
 287          */
 288         public function doQuery( $db ) {
 289                 $timestamps = array();
 290                 foreach ( $this->ids as $id ) {
 291                         $timestamps[] = $db->timestamp( $id );
 292                 }
 293                 return $db->select( 'archive', '*',
 294                                 array(
 295                                         'ar_namespace' => $this->title->getNamespace(),
 296                                         'ar_title'     => $this->title->getDBkey(),
 297                                         'ar_timestamp' => $timestamps
 298                                 ),
 299                                 __METHOD__,
 300                                 array( 'ORDER BY' => 'ar_timestamp DESC' )
 301                         );
 302         }
 303
 304         public function newItem( $row ) {
 305                 return new RevDel_ArchiveItem( $this, $row );
 306         }
 307
 308         public function doPreCommitUpdates() {
 309                 return Status::newGood();
 310         }
 311
 312         public function doPostCommitUpdates() {
 313                 return Status::newGood();
 314         }
 315 }
 316
 317 /**
 318  * Item class for a archive table row
 319  */
 320 class RevDel_ArchiveItem extends RevDel_RevisionItem {
 321         public function __construct( $list, $row ) {
 322                 RevDel_Item::__construct( $list, $row );
 323                 $this->revision = Revision::newFromArchiveRow( $row,
 324                         array( 'page' => $this->list->title->getArticleID() ) );
 325         }
 326
 327         public function getIdField() {
 328                 return 'ar_timestamp';
 329         }
 330
 331         public function getTimestampField() {
 332                 return 'ar_timestamp';
 333         }
 334
 335         public function getAuthorIdField() {
 336                 return 'ar_user';
 337         }
 338
 339         public function getAuthorNameField() {
 340                 return 'ar_user_text';
 341         }
 342
 343         public function getId() {
 344                 # Convert DB timestamp to MW timestamp
 345                 return $this->revision->getTimestamp();
 346         }
 347
 348         public function setBits( $bits ) {
 349                 $dbw = wfGetDB( DB_MASTER );
 350                 $dbw->update( 'archive',
 351                         array( 'ar_deleted' => $bits ),
 352                         array(
 353                                 'ar_namespace'  => $this->list->title->getNamespace(),
 354                                 'ar_title'      => $this->list->title->getDBkey(),
 355                                 // use timestamp for index
 356                                 'ar_timestamp'  => $this->row->ar_timestamp,
 357                                 'ar_rev_id'     => $this->row->ar_rev_id,
 358                                 'ar_deleted'    => $this->getBits()
 359                         ),
 360                         __METHOD__ );
 361                 return (bool)$dbw->affectedRows();
 362         }
 363
 364         protected function getRevisionLink() {
 365                 $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 366                         $this->revision->getTimestamp(), $this->list->getUser() ) );
 367
 368                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 369                         return $date;
 370                 }
 371
 372                 return Linker::link(
 373                         SpecialPage::getTitleFor( 'Undelete' ),
 374                         $date,
 375                         array(),
 376                         array(
 377                                 'target' => $this->list->title->getPrefixedText(),
 378                                 'timestamp' => $this->revision->getTimestamp()
 379                         )
 380                 );
 381         }
 382
 383         protected function getDiffLink() {
 384                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 385                         return $this->list->msg( 'diff' )->escaped();
 386                 }
 387
 388                 return Linker::link(
 389                         SpecialPage::getTitleFor( 'Undelete' ),
 390                         $this->list->msg( 'diff' )->escaped(),
 391                         array(),
 392                         array(
 393                                 'target' => $this->list->title->getPrefixedText(),
 394                                 'diff' => 'prev',
 395                                 'timestamp' => $this->revision->getTimestamp()
 396                         )
 397                 );
 398         }
 399 }
 400
 401 /**
 402  * Item class for a archive table row by ar_rev_id -- actually
 403  * used via RevDel_RevisionList.
 404  */
 405 class RevDel_ArchivedRevisionItem extends RevDel_ArchiveItem {
 406         public function __construct( $list, $row ) {
 407                 RevDel_Item::__construct( $list, $row );
 408
 409                 $this->revision = Revision::newFromArchiveRow( $row,
 410                         array( 'page' => $this->list->title->getArticleID() ) );
 411         }
 412
 413         public function getIdField() {
 414                 return 'ar_rev_id';
 415         }
 416
 417         public function getId() {
 418                 return $this->revision->getId();
 419         }
 420
 421         public function setBits( $bits ) {
 422                 $dbw = wfGetDB( DB_MASTER );
 423                 $dbw->update( 'archive',
 424                         array( 'ar_deleted' => $bits ),
 425                         array( 'ar_rev_id' => $this->row->ar_rev_id,
 426                                 'ar_deleted' => $this->getBits()
 427                         ),
 428                         __METHOD__ );
 429                 return (bool)$dbw->affectedRows();
 430         }
 431 }
 432
 433 /**
 434  * List for oldimage table items
 435  */
 436 class RevDel_FileList extends RevDel_List {
 437         public function getType() {
 438                 return 'oldimage';
 439         }
 440
 441         public static function getRelationType() {
 442                 return 'oi_archive_name';
 443         }
 444
 445         var $storeBatch, $deleteBatch, $cleanupBatch;
 446
 447         /**
 448          * @param $db DatabaseBase
 449          * @return mixed
 450          */
 451         public function doQuery( $db ) {
 452                 $archiveNames = array();
 453                 foreach( $this->ids as $timestamp ) {
 454                         $archiveNames[] = $timestamp . '!' . $this->title->getDBkey();
 455                 }
 456                 return $db->select(
 457                         'oldimage',
 458                         OldLocalFile::selectFields(),
 459                         array(
 460                                 'oi_name'         => $this->title->getDBkey(),
 461                                 'oi_archive_name' => $archiveNames
 462                         ),
 463                         __METHOD__,
 464                         array( 'ORDER BY' => 'oi_timestamp DESC' )
 465                 );
 466         }
 467
 468         public function newItem( $row ) {
 469                 return new RevDel_FileItem( $this, $row );
 470         }
 471
 472         public function clearFileOps() {
 473                 $this->deleteBatch = array();
 474                 $this->storeBatch = array();
 475                 $this->cleanupBatch = array();
 476         }
 477
 478         public function doPreCommitUpdates() {
 479                 $status = Status::newGood();
 480                 $repo = RepoGroup::singleton()->getLocalRepo();
 481                 if ( $this->storeBatch ) {
 482                         $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) );
 483                 }
 484                 if ( !$status->isOK() ) {
 485                         return $status;
 486                 }
 487                 if ( $this->deleteBatch ) {
 488                         $status->merge( $repo->deleteBatch( $this->deleteBatch ) );
 489                 }
 490                 if ( !$status->isOK() ) {
 491                         // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already
 492                         // modified (but destined for rollback) causes data loss
 493                         return $status;
 494                 }
 495                 if ( $this->cleanupBatch ) {
 496                         $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) );
 497                 }
 498                 return $status;
 499         }
 500
 501         public function doPostCommitUpdates() {
 502                 $file = wfLocalFile( $this->title );
 503                 $file->purgeCache();
 504                 $file->purgeDescription();
 505                 return Status::newGood();
 506         }
 507
 508         public function getSuppressBit() {
 509                 return File::DELETED_RESTRICTED;
 510         }
 511 }
 512
 513 /**
 514  * Item class for an oldimage table row
 515  */
 516 class RevDel_FileItem extends RevDel_Item {
 517
 518         /**
 519          * @var File
 520          */
 521         var $file;
 522
 523         public function __construct( $list, $row ) {
 524                 parent::__construct( $list, $row );
 525                 $this->file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row );
 526         }
 527
 528         public function getIdField() {
 529                 return 'oi_archive_name';
 530         }
 531
 532         public function getTimestampField() {
 533                 return 'oi_timestamp';
 534         }
 535
 536         public function getAuthorIdField() {
 537                 return 'oi_user';
 538         }
 539
 540         public function getAuthorNameField() {
 541                 return 'oi_user_text';
 542         }
 543
 544         public function getId() {
 545                 $parts = explode( '!', $this->row->oi_archive_name );
 546                 return $parts[0];
 547         }
 548
 549         public function canView() {
 550                 return $this->file->userCan( File::DELETED_RESTRICTED, $this->list->getUser() );
 551         }
 552
 553         public function canViewContent() {
 554                 return $this->file->userCan( File::DELETED_FILE, $this->list->getUser() );
 555         }
 556
 557         public function getBits() {
 558                 return $this->file->getVisibility();
 559         }
 560
 561         public function setBits( $bits ) {
 562                 # Queue the file op
 563                 # @todo FIXME: Move to LocalFile.php
 564                 if ( $this->isDeleted() ) {
 565                         if ( $bits & File::DELETED_FILE ) {
 566                                 # Still deleted
 567                         } else {
 568                                 # Newly undeleted
 569                                 $key = $this->file->getStorageKey();
 570                                 $srcRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
 571                                 $this->list->storeBatch[] = array(
 572                                         $this->file->repo->getVirtualUrl( 'deleted' ) . '/' . $srcRel,
 573                                         'public',
 574                                         $this->file->getRel()
 575                                 );
 576                                 $this->list->cleanupBatch[] = $key;
 577                         }
 578                 } elseif ( $bits & File::DELETED_FILE ) {
 579                         # Newly deleted
 580                         $key = $this->file->getStorageKey();
 581                         $dstRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
 582                         $this->list->deleteBatch[] = array( $this->file->getRel(), $dstRel );
 583                 }
 584
 585                 # Do the database operations
 586                 $dbw = wfGetDB( DB_MASTER );
 587                 $dbw->update( 'oldimage',
 588                         array( 'oi_deleted' => $bits ),
 589                         array(
 590                                 'oi_name' => $this->row->oi_name,
 591                                 'oi_timestamp' => $this->row->oi_timestamp,
 592                                 'oi_deleted' => $this->getBits()
 593                         ),
 594                         __METHOD__
 595                 );
 596                 return (bool)$dbw->affectedRows();
 597         }
 598
 599         public function isDeleted() {
 600                 return $this->file->isDeleted( File::DELETED_FILE );
 601         }
 602
 603         /**
 604          * Get the link to the file.
 605          * Overridden by RevDel_ArchivedFileItem.
 606          * @return string
 607          */
 608         protected function getLink() {
 609                 $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 610                         $this->file->getTimestamp(), $this->list->getUser() ) );
 611
 612                 if ( !$this->isDeleted() ) {
 613                         # Regular files...
 614                         return Html::rawElement( 'a', array( 'href' => $this->file->getUrl() ), $date );
 615                 }
 616
 617                 # Hidden files...
 618                 if ( !$this->canViewContent() ) {
 619                         $link = $date;
 620                 } else {
 621                         $link = Linker::link(
 622                                 SpecialPage::getTitleFor( 'Revisiondelete' ),
 623                                 $date,
 624                                 array(),
 625                                 array(
 626                                         'target' => $this->list->title->getPrefixedText(),
 627                                         'file'   => $this->file->getArchiveName(),
 628                                         'token'  => $this->list->getUser()->getEditToken(
 629                                                 $this->file->getArchiveName() )
 630                                 )
 631                         );
 632                 }
 633                 return '<span class="history-deleted">' . $link . '</span>';
 634         }
 635         /**
 636          * Generate a user tool link cluster if the current user is allowed to view it
 637          * @return string HTML
 638          */
 639         protected function getUserTools() {
 640                 if( $this->file->userCan( Revision::DELETED_USER, $this->list->getUser() ) ) {
 641                         $link = Linker::userLink( $this->file->user, $this->file->user_text ) .
 642                                 Linker::userToolLinks( $this->file->user, $this->file->user_text );
 643                 } else {
 644                         $link = $this->list->msg( 'rev-deleted-user' )->escaped();
 645                 }
 646                 if( $this->file->isDeleted( Revision::DELETED_USER ) ) {
 647                         return '<span class="history-deleted">' . $link . '</span>';
 648                 }
 649                 return $link;
 650         }
 651
 652         /**
 653          * Wrap and format the file's comment block, if the current
 654          * user is allowed to view it.
 655          *
 656          * @return string HTML
 657          */
 658         protected function getComment() {
 659                 if( $this->file->userCan( File::DELETED_COMMENT, $this->list->getUser() ) ) {
 660                         $block = Linker::commentBlock( $this->file->description );
 661                 } else {
 662                         $block = ' ' . $this->list->msg( 'rev-deleted-comment' )->escaped();
 663                 }
 664                 if( $this->file->isDeleted( File::DELETED_COMMENT ) ) {
 665                         return "<span class=\"history-deleted\">$block</span>";
 666                 }
 667                 return $block;
 668         }
 669
 670         public function getHTML() {
 671                 $data =
 672                         $this->list->msg( 'widthheight' )->numParams(
 673                                 $this->file->getWidth(), $this->file->getHeight() )->text() .
 674                         ' (' . $this->list->msg( 'nbytes' )->numParams( $this->file->getSize() )->text() . ')';
 675
 676                 return '<li>' . $this->getLink() . ' ' . $this->getUserTools() . ' ' .
 677                         $data . ' ' . $this->getComment(). '</li>';
 678         }
 679 }
 680
 681 /**
 682  * List for filearchive table items
 683  */
 684 class RevDel_ArchivedFileList extends RevDel_FileList {
 685         public function getType() {
 686                 return 'filearchive';
 687         }
 688
 689         public static function getRelationType() {
 690                 return 'fa_id';
 691         }
 692
 693         /**
 694          * @param $db DatabaseBase
 695          * @return mixed
 696          */
 697         public function doQuery( $db ) {
 698                 $ids = array_map( 'intval', $this->ids );
 699                 return $db->select(
 700                         'filearchive',
 701                         ArchivedFile::selectFields(),
 702                         array(
 703                                 'fa_name' => $this->title->getDBkey(),
 704                                 'fa_id'   => $ids
 705                         ),
 706                         __METHOD__,
 707                         array( 'ORDER BY' => 'fa_id DESC' )
 708                 );
 709         }
 710
 711         public function newItem( $row ) {
 712                 return new RevDel_ArchivedFileItem( $this, $row );
 713         }
 714 }
 715
 716 /**
 717  * Item class for a filearchive table row
 718  */
 719 class RevDel_ArchivedFileItem extends RevDel_FileItem {
 720         public function __construct( $list, $row ) {
 721                 RevDel_Item::__construct( $list, $row );
 722                 $this->file = ArchivedFile::newFromRow( $row );
 723         }
 724
 725         public function getIdField() {
 726                 return 'fa_id';
 727         }
 728
 729         public function getTimestampField() {
 730                 return 'fa_timestamp';
 731         }
 732
 733         public function getAuthorIdField() {
 734                 return 'fa_user';
 735         }
 736
 737         public function getAuthorNameField() {
 738                 return 'fa_user_text';
 739         }
 740
 741         public function getId() {
 742                 return $this->row->fa_id;
 743         }
 744
 745         public function setBits( $bits ) {
 746                 $dbw = wfGetDB( DB_MASTER );
 747                 $dbw->update( 'filearchive',
 748                         array( 'fa_deleted' => $bits ),
 749                         array(
 750                                 'fa_id' => $this->row->fa_id,
 751                                 'fa_deleted' => $this->getBits(),
 752                         ),
 753                         __METHOD__
 754                 );
 755                 return (bool)$dbw->affectedRows();
 756         }
 757
 758         protected function getLink() {
 759                 $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 760                         $this->file->getTimestamp(), $this->list->getUser() ) );
 761
 762                 # Hidden files...
 763                 if( !$this->canViewContent() ) {
 764                         $link = $date;
 765                 } else {
 766                         $undelete = SpecialPage::getTitleFor( 'Undelete' );
 767                         $key = $this->file->getKey();
 768                         $link = Linker::link( $undelete, $date, array(),
 769                                 array(
 770                                         'target' => $this->list->title->getPrefixedText(),
 771                                         'file' => $key,
 772                                         'token' => $this->list->getUser()->getEditToken( $key )
 773                                 )
 774                         );
 775                 }
 776                 if( $this->isDeleted() ) {
 777                         $link = '<span class="history-deleted">' . $link . '</span>';
 778                 }
 779                 return $link;
 780         }
 781 }
 782
 783 /**
 784  * List for logging table items
 785  */
 786 class RevDel_LogList extends RevDel_List {
 787         public function getType() {
 788                 return 'logging';
 789         }
 790
 791         public static function getRelationType() {
 792                 return 'log_id';
 793         }
 794
 795         /**
 796          * @param $db DatabaseBase
 797          * @return mixed
 798          */
 799         public function doQuery( $db ) {
 800                 $ids = array_map( 'intval', $this->ids );
 801                 return $db->select( 'logging', '*',
 802                         array( 'log_id' => $ids ),
 803                         __METHOD__,
 804                         array( 'ORDER BY' => 'log_id DESC' )
 805                 );
 806         }
 807
 808         public function newItem( $row ) {
 809                 return new RevDel_LogItem( $this, $row );
 810         }
 811
 812         public function getSuppressBit() {
 813                 return Revision::DELETED_RESTRICTED;
 814         }
 815
 816         public function getLogAction() {
 817                 return 'event';
 818         }
 819
 820         public function getLogParams( $params ) {
 821                 return array(
 822                         implode( ',', $params['ids'] ),
 823                         "ofield={$params['oldBits']}",
 824                         "nfield={$params['newBits']}"
 825                 );
 826         }
 827 }
 828
 829 /**
 830  * Item class for a logging table row
 831  */
 832 class RevDel_LogItem extends RevDel_Item {
 833         public function getIdField() {
 834                 return 'log_id';
 835         }
 836
 837         public function getTimestampField() {
 838                 return 'log_timestamp';
 839         }
 840
 841         public function getAuthorIdField() {
 842                 return 'log_user';
 843         }
 844
 845         public function getAuthorNameField() {
 846                 return 'log_user_text';
 847         }
 848
 849         public function canView() {
 850                 return LogEventsList::userCan( $this->row, Revision::DELETED_RESTRICTED, $this->list->getUser() );
 851         }
 852
 853         public function canViewContent() {
 854                 return true; // none
 855         }
 856
 857         public function getBits() {
 858                 return $this->row->log_deleted;
 859         }
 860
 861         public function setBits( $bits ) {
 862                 $dbw = wfGetDB( DB_MASTER );
 863                 $dbw->update( 'recentchanges',
 864                         array(
 865                                 'rc_deleted' => $bits,
 866                                 'rc_patrolled' => 1
 867                         ),
 868                         array(
 869                                 'rc_logid' => $this->row->log_id,
 870                                 'rc_timestamp' => $this->row->log_timestamp // index
 871                         ),
 872                         __METHOD__
 873                 );
 874                 $dbw->update( 'logging',
 875                         array( 'log_deleted' => $bits ),
 876                         array(
 877                                 'log_id' => $this->row->log_id,
 878                                 'log_deleted' => $this->getBits()
 879                         ),
 880                         __METHOD__
 881                 );
 882                 return (bool)$dbw->affectedRows();
 883         }
 884
 885         public function getHTML() {
 886                 $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
 887                         $this->row->log_timestamp, $this->list->getUser() ) );
 888                 $title = Title::makeTitle( $this->row->log_namespace, $this->row->log_title );
 889                 $formatter = LogFormatter::newFromRow( $this->row );
 890                 $formatter->setContext( $this->list->getContext() );
 891                 $formatter->setAudience( LogFormatter::FOR_THIS_USER );
 892
 893                 // Log link for this page
 894                 $loglink = Linker::link(
 895                         SpecialPage::getTitleFor( 'Log' ),
 896                         $this->list->msg( 'log' )->escaped(),
 897                         array(),
 898                         array( 'page' => $title->getPrefixedText() )
 899                 );
 900                 $loglink = $this->list->msg( 'parentheses' )->rawParams( $loglink )->escaped();
 901                 // User links and action text
 902                 $action = $formatter->getActionText();
 903                 // Comment
 904                 $comment = $this->list->getLanguage()->getDirMark() . Linker::commentBlock( $this->row->log_comment );
 905                 if( LogEventsList::isDeleted( $this->row, LogPage::DELETED_COMMENT ) ) {
 906                         $comment = '<span class="history-deleted">' . $comment . '</span>';
 907                 }
 908
 909                 return "<li>$loglink $date $action $comment</li>";
 910         }
 911 }