/**
  * @see	\wcf\system\user\activity\event\IUserActivityEvent::prepare()
  */
 public function prepare(array $events)
 {
     $newsIDs = array();
     foreach ($events as $event) {
         $newsIDs[] = $event->objectID;
     }
     $newsList = new ViewableNewsList();
     $newsList->getConditionBuilder()->add("news.newsID IN (?)", array($newsIDs));
     $newsList->readObjects();
     $newsEntries = $newsList->getObjects();
     foreach ($events as $event) {
         if (isset($newsEntries[$event->objectID])) {
             $news = $newsEntries[$event->objectID];
             if (!$news->canRead()) {
                 continue;
             }
             $event->setIsAccessible();
             $text = WCF::getLanguage()->getDynamicVariable('news.recentActivity.likedNews', array('news' => $news));
             $event->setTitle($text);
             $event->setDescription($news->getExcerpt());
         } else {
             $event->setIsOrphaned();
         }
     }
 }
 /**
  * @see	\wcf\system\user\activity\event\IUserActivityEvent::prepare()
  */
 public function prepare(array $events)
 {
     $responseIDs = array();
     foreach ($events as $event) {
         $responseIDs[] = $event->objectID;
     }
     $responseList = new CommentResponseList();
     $responseList->getConditionBuilder()->add("comment_response.responseID IN (?)", array($responseIDs));
     $responseList->readObjects();
     $responses = $responseList->getObjects();
     $commentIDs = $comments = array();
     foreach ($responses as $response) {
         $commentIDs[] = $response->commentID;
     }
     if (!empty($commentIDs)) {
         $commentList = new CommentList();
         $commentList->getConditionBuilder()->add("comment.commentID IN (?)", array($commentIDs));
         $commentList->readObjects();
         $comments = $commentList->getObjects();
     }
     // fetch news entries
     $newsIDs = $news = array();
     foreach ($comments as $comment) {
         $newsIDs[] = $comment->objectID;
     }
     if (!empty($newsIDs)) {
         $newsList = new ViewableNewsList();
         $newsList->getConditionBuilder()->add("news.newsID IN (?)", array($newsIDs));
         $newsList->readObjects();
         $news = $newsList->getObjects();
     }
     $userIDs = $user = array();
     foreach ($comments as $comment) {
         $userIDs[] = $comment->userID;
     }
     if (!empty($userIDs)) {
         $userList = new UserList();
         $userList->getConditionBuilder()->add("user_table.userID IN (?)", array($userIDs));
         $userList->readObjects();
         $users = $userList->getObjects();
     }
     foreach ($events as $event) {
         if (isset($responses[$event->objectID])) {
             $response = $responses[$event->objectID];
             $comment = $comments[$response->commentID];
             if (isset($news[$comment->objectID]) && isset($users[$comment->userID])) {
                 $newsEntry = $news[$comment->objectID];
                 if (!$newsEntry->canRead()) {
                     continue;
                 }
                 $event->setIsAccessible();
                 $text = WCF::getLanguage()->getDynamicVariable('news.recentActivity.newsCommentResponse', array('commentAuthor' => $users[$comment->userID], 'news' => $newsEntry));
                 $event->setTitle($text);
                 $event->setDescription($response->getExcerpt());
                 continue;
             }
         }
         $event->setIsOrphaned();
     }
 }