includes/WatchedItem.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 Watchlist
  20  */
  21 use MediaWiki\MediaWikiServices;
  22 use MediaWiki\Linker\LinkTarget;
  23
  24 /**
  25  * Representation of a pair of user and title for watchlist entries.
  26  *
  27  * @author Tim Starling
  28  * @author Addshore
  29  *
  30  * @ingroup Watchlist
  31  */
  32 class WatchedItem {
  33
  34         /**
  35          * @deprecated since 1.27, see User::IGNORE_USER_RIGHTS
  36          */
  37         const IGNORE_USER_RIGHTS = User::IGNORE_USER_RIGHTS;
  38
  39         /**
  40          * @deprecated since 1.27, see User::CHECK_USER_RIGHTS
  41          */
  42         const CHECK_USER_RIGHTS = User::CHECK_USER_RIGHTS;
  43
  44         /**
  45          * @deprecated Internal class use only
  46          */
  47         const DEPRECATED_USAGE_TIMESTAMP = -100;
  48
  49         /**
  50          * @var bool
  51          * @deprecated Internal class use only
  52          */
  53         public $checkRights = User::CHECK_USER_RIGHTS;
  54
  55         /**
  56          * @var Title
  57          * @deprecated Internal class use only
  58          */
  59         private $title;
  60
  61         /**
  62          * @var LinkTarget
  63          */
  64         private $linkTarget;
  65
  66         /**
  67          * @var User
  68          */
  69         private $user;
  70
  71         /**
  72          * @var null|string the value of the wl_notificationtimestamp field
  73          */
  74         private $notificationTimestamp;
  75
  76         /**
  77          * @param User $user
  78          * @param LinkTarget $linkTarget
  79          * @param null|string $notificationTimestamp the value of the wl_notificationtimestamp field
  80          * @param bool|null $checkRights DO NOT USE - used internally for backward compatibility
  81          */
  82         public function __construct(
  83                 User $user,
  84                 LinkTarget $linkTarget,
  85                 $notificationTimestamp,
  86                 $checkRights = null
  87         ) {
  88                 $this->user = $user;
  89                 $this->linkTarget = $linkTarget;
  90                 $this->notificationTimestamp = $notificationTimestamp;
  91                 if ( $checkRights !== null ) {
  92                         $this->checkRights = $checkRights;
  93                 }
  94         }
  95
  96         /**
  97          * @return User
  98          */
  99         public function getUser() {
 100                 return $this->user;
 101         }
 102
 103         /**
 104          * @return LinkTarget
 105          */
 106         public function getLinkTarget() {
 107                 return $this->linkTarget;
 108         }
 109
 110         /**
 111          * Get the notification timestamp of this entry.
 112          *
 113          * @return bool|null|string
 114          */
 115         public function getNotificationTimestamp() {
 116                 // Back compat for objects constructed using self::fromUserTitle
 117                 if ( $this->notificationTimestamp === self::DEPRECATED_USAGE_TIMESTAMP ) {
 118                         // wfDeprecated( __METHOD__, '1.27' );
 119                         if ( $this->checkRights && !$this->user->isAllowed( 'viewmywatchlist' ) ) {
 120                                 return false;
 121                         }
 122                         $item = MediaWikiServices::getInstance()->getWatchedItemStore()
 123                                 ->loadWatchedItem( $this->user, $this->linkTarget );
 124                         if ( $item ) {
 125                                 $this->notificationTimestamp = $item->getNotificationTimestamp();
 126                         } else {
 127                                 $this->notificationTimestamp = false;
 128                         }
 129                 }
 130                 return $this->notificationTimestamp;
 131         }
 132
 133         /**
 134          * Back compat pre 1.27 with the WatchedItemStore introduction
 135          * @todo remove in 1.28/9
 136          * -------------------------------------------------
 137          */
 138
 139         /**
 140          * @return Title
 141          * @deprecated Internal class use only
 142          */
 143         public function getTitle() {
 144                 if ( !$this->title ) {
 145                         $this->title = Title::newFromLinkTarget( $this->linkTarget );
 146                 }
 147                 return $this->title;
 148         }
 149
 150         /**
 151          * @deprecated since 1.27 Use the constructor, WatchedItemStore::getWatchedItem()
 152          *             or WatchedItemStore::loadWatchedItem()
 153          */
 154         public static function fromUserTitle( $user, $title, $checkRights = User::CHECK_USER_RIGHTS ) {
 155                 wfDeprecated( __METHOD__, '1.27' );
 156                 return new self( $user, $title, self::DEPRECATED_USAGE_TIMESTAMP, (bool)$checkRights );
 157         }
 158
 159         /**
 160          * @deprecated since 1.27 Use User::addWatch()
 161          * @return bool
 162          */
 163         public function addWatch() {
 164                 wfDeprecated( __METHOD__, '1.27' );
 165                 $this->user->addWatch( $this->getTitle(), $this->checkRights );
 166                 return true;
 167         }
 168
 169         /**
 170          * @deprecated since 1.27 Use User::removeWatch()
 171          * @return bool
 172          */
 173         public function removeWatch() {
 174                 wfDeprecated( __METHOD__, '1.27' );
 175                 if ( $this->checkRights && !$this->user->isAllowed( 'editmywatchlist' ) ) {
 176                         return false;
 177                 }
 178                 $this->user->removeWatch( $this->getTitle(), $this->checkRights );
 179                 return true;
 180         }
 181
 182         /**
 183          * @deprecated since 1.27 Use User::isWatched()
 184          * @return bool
 185          */
 186         public function isWatched() {
 187                 wfDeprecated( __METHOD__, '1.27' );
 188                 return $this->user->isWatched( $this->getTitle(), $this->checkRights );
 189         }
 190
 191         /**
 192          * @deprecated since 1.27 Use WatchedItemStore::duplicateAllAssociatedEntries()
 193          */
 194         public static function duplicateEntries( Title $oldTitle, Title $newTitle ) {
 195                 wfDeprecated( __METHOD__, '1.27' );
 196                 $store = MediaWikiServices::getInstance()->getWatchedItemStore();
 197                 $store->duplicateAllAssociatedEntries( $oldTitle, $newTitle );
 198         }
 199
 200 }