wcfsetup/install/files/lib/data/comment/LikeableCommentProvider.class.php

   1 <?php
   2 namespace wcf\data\comment;
   3 use wcf\data\like\object\ILikeObject;
   4 use wcf\data\like\ILikeObjectTypeProvider;
   5 use wcf\data\object\type\AbstractObjectTypeProvider;
   6 use wcf\system\comment\CommentHandler;
   7 use wcf\system\like\IViewableLikeProvider;
   8
   9 /**
  10  * Object type provider for comments
  11  *
  12  * @author      Alexander Ebert
  13  * @copyright   2001-2014 WoltLab GmbH
  14  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  15  * @package     com.woltlab.wcf
  16  * @subpackage  data.comment
  17  * @category    Community Framework
  18  */
  19 class LikeableCommentProvider extends AbstractObjectTypeProvider implements ILikeObjectTypeProvider, IViewableLikeProvider {
  20         /**
  21          * @see \wcf\data\object\type\AbstractObjectTypeProvider::$className
  22          */
  23         public $className = 'wcf\data\comment\Comment';
  24
  25         /**
  26          * @see \wcf\data\object\type\AbstractObjectTypeProvider::$decoratorClassName
  27          */
  28         public $decoratorClassName = 'wcf\data\comment\LikeableComment';
  29
  30         /**
  31          * @see \wcf\data\object\type\AbstractObjectTypeProvider::$listClassName
  32          */
  33         public $listClassName = 'wcf\data\comment\CommentList';
  34
  35         /**
  36          * @see \wcf\data\like\ILikeObjectTypeProvider::checkPermissions()
  37          */
  38         public function checkPermissions(ILikeObject $comment) {
  39                 if (!$comment->commentID) return false;
  40
  41                 $objectType = CommentHandler::getInstance()->getObjectType($comment->objectTypeID);
  42                 return CommentHandler::getInstance()->getCommentManager($objectType->objectType)->isAccessible($comment->objectID);
  43         }
  44
  45         /**
  46          * @see \wcf\system\like\IViewableLikeProvider::prepare()
  47          */
  48         public function prepare(array $likes) {
  49                 $commentIDs = array();
  50                 foreach ($likes as $like) {
  51                         $commentIDs[] = $like->objectID;
  52                 }
  53
  54                 // fetch comments
  55                 $commentList = new CommentList();
  56                 $commentList->getConditionBuilder()->add("comment.commentID IN (?)", array($commentIDs));
  57                 $commentList->readObjects();
  58                 $comments = $commentList->getObjects();
  59
  60                 // group likes by object type id
  61                 $likeData = array();
  62                 foreach ($likes as $like) {
  63                         if (isset($comments[$like->objectID])) {
  64                                 if (!isset($likeData[$comments[$like->objectID]->objectTypeID])) {
  65                                         $likeData[$comments[$like->objectID]->objectTypeID] = array();
  66                                 }
  67                                 $likeData[$comments[$like->objectID]->objectTypeID][] = $like;
  68                         }
  69                 }
  70
  71                 foreach ($likeData as $objectTypeID => $likes) {
  72                         $objectType = CommentHandler::getInstance()->getObjectType($objectTypeID);
  73                         if (CommentHandler::getInstance()->getCommentManager($objectType->objectType) instanceof IViewableLikeProvider) {
  74                                 CommentHandler::getInstance()->getCommentManager($objectType->objectType)->prepare($likes);
  75                         }
  76                 }
  77         }
  78 }