includes/revisiondelete/RevDelRevisionItem.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup RevisionDelete
  20  */
  21
  22 /**
  23  * Item class for a live revision table row
  24  */
  25 class RevDelRevisionItem extends RevDelItem {
  26         /** @var Revision */
  27         public $revision;
  28
  29         public function __construct( $list, $row ) {
  30                 parent::__construct( $list, $row );
  31                 $this->revision = new Revision( $row );
  32         }
  33
  34         public function getIdField() {
  35                 return 'rev_id';
  36         }
  37
  38         public function getTimestampField() {
  39                 return 'rev_timestamp';
  40         }
  41
  42         public function getAuthorIdField() {
  43                 return 'rev_user';
  44         }
  45
  46         public function getAuthorNameField() {
  47                 return 'rev_user_text';
  48         }
  49
  50         public function getAuthorActorField() {
  51                 return 'rev_actor';
  52         }
  53
  54         public function canView() {
  55                 return $this->revision->userCan( Revision::DELETED_RESTRICTED, $this->list->getUser() );
  56         }
  57
  58         public function canViewContent() {
  59                 return $this->revision->userCan( Revision::DELETED_TEXT, $this->list->getUser() );
  60         }
  61
  62         public function getBits() {
  63                 return $this->revision->getVisibility();
  64         }
  65
  66         public function setBits( $bits ) {
  67                 $dbw = wfGetDB( DB_MASTER );
  68                 // Update revision table
  69                 $dbw->update( 'revision',
  70                         [ 'rev_deleted' => $bits ],
  71                         [
  72                                 'rev_id' => $this->revision->getId(),
  73                                 'rev_page' => $this->revision->getPage(),
  74                                 'rev_deleted' => $this->getBits() // cas
  75                         ],
  76                         __METHOD__
  77                 );
  78                 if ( !$dbw->affectedRows() ) {
  79                         // Concurrent fail!
  80                         return false;
  81                 }
  82                 // Update recentchanges table
  83                 $dbw->update( 'recentchanges',
  84                         [
  85                                 'rc_deleted' => $bits,
  86                                 'rc_patrolled' => 1
  87                         ],
  88                         [
  89                                 'rc_this_oldid' => $this->revision->getId(), // condition
  90                                 // non-unique timestamp index
  91                                 'rc_timestamp' => $dbw->timestamp( $this->revision->getTimestamp() ),
  92                         ],
  93                         __METHOD__
  94                 );
  95
  96                 return true;
  97         }
  98
  99         public function isDeleted() {
 100                 return $this->revision->isDeleted( Revision::DELETED_TEXT );
 101         }
 102
 103         public function isHideCurrentOp( $newBits ) {
 104                 return ( $newBits & Revision::DELETED_TEXT )
 105                         && $this->list->getCurrent() == $this->getId();
 106         }
 107
 108         /**
 109          * Get the HTML link to the revision text.
 110          * Overridden by RevDelArchiveItem.
 111          * @return string
 112          */
 113         protected function getRevisionLink() {
 114                 $date = $this->list->getLanguage()->userTimeAndDate(
 115                         $this->revision->getTimestamp(), $this->list->getUser() );
 116
 117                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 118                         return htmlspecialchars( $date );
 119                 }
 120
 121                 return $this->getLinkRenderer()->makeKnownLink(
 122                         $this->list->title,
 123                         $date,
 124                         [],
 125                         [
 126                                 'oldid' => $this->revision->getId(),
 127                                 'unhide' => 1
 128                         ]
 129                 );
 130         }
 131
 132         /**
 133          * Get the HTML link to the diff.
 134          * Overridden by RevDelArchiveItem
 135          * @return string
 136          */
 137         protected function getDiffLink() {
 138                 if ( $this->isDeleted() && !$this->canViewContent() ) {
 139                         return $this->list->msg( 'diff' )->escaped();
 140                 } else {
 141                         return $this->getLinkRenderer()->makeKnownLink(
 142                                         $this->list->title,
 143                                         $this->list->msg( 'diff' )->text(),
 144                                         [],
 145                                         [
 146                                                 'diff' => $this->revision->getId(),
 147                                                 'oldid' => 'prev',
 148                                                 'unhide' => 1
 149                                         ]
 150                                 );
 151                 }
 152         }
 153
 154         /**
 155          * @return string A HTML <li> element representing this revision, showing
 156          * change tags and everything
 157          */
 158         public function getHTML() {
 159                 $difflink = $this->list->msg( 'parentheses' )
 160                         ->rawParams( $this->getDiffLink() )->escaped();
 161                 $revlink = $this->getRevisionLink();
 162                 $userlink = Linker::revUserLink( $this->revision );
 163                 $comment = Linker::revComment( $this->revision );
 164                 if ( $this->isDeleted() ) {
 165                         $revlink = "<span class=\"history-deleted\">$revlink</span>";
 166                 }
 167                 $content = "$difflink $revlink $userlink $comment";
 168                 $attribs = [];
 169                 $tags = $this->getTags();
 170                 if ( $tags ) {
 171                         list( $tagSummary, $classes ) = ChangeTags::formatSummaryRow(
 172                                 $tags,
 173                                 'revisiondelete',
 174                                 $this->list->getContext()
 175                         );
 176                         $content .= " $tagSummary";
 177                         $attribs['class'] = implode( ' ', $classes );
 178                 }
 179                 return Xml::tags( 'li', $attribs, $content );
 180         }
 181
 182         /**
 183          * @return string Comma-separated list of tags
 184          */
 185         public function getTags() {
 186                 return $this->row->ts_tags;
 187         }
 188
 189         public function getApiData( ApiResult $result ) {
 190                 $rev = $this->revision;
 191                 $user = $this->list->getUser();
 192                 $ret = [
 193                         'id' => $rev->getId(),
 194                         'timestamp' => wfTimestamp( TS_ISO_8601, $rev->getTimestamp() ),
 195                         'userhidden' => (bool)$rev->isDeleted( Revision::DELETED_USER ),
 196                         'commenthidden' => (bool)$rev->isDeleted( Revision::DELETED_COMMENT ),
 197                         'texthidden' => (bool)$rev->isDeleted( Revision::DELETED_TEXT ),
 198                 ];
 199                 if ( $rev->userCan( Revision::DELETED_USER, $user ) ) {
 200                         $ret += [
 201                                 'userid' => $rev->getUser( Revision::FOR_THIS_USER ),
 202                                 'user' => $rev->getUserText( Revision::FOR_THIS_USER ),
 203                         ];
 204                 }
 205                 if ( $rev->userCan( Revision::DELETED_COMMENT, $user ) ) {
 206                         $ret += [
 207                                 'comment' => $rev->getComment( Revision::FOR_THIS_USER ),
 208                         ];
 209                 }
 210
 211                 return $ret;
 212         }
 213 }