wcfsetup/install/files/lib/data/article/content/ViewableArticleContentList.class.php

   1 <?php
   2 namespace wcf\data\article\content;
   3 use wcf\data\article\ViewableArticleList;
   4 use wcf\data\media\ViewableMediaList;
   5 use wcf\system\message\embedded\object\MessageEmbeddedObjectManager;
   6
   7 /**
   8  * Represents a list of viewable article contents.
   9  *
  10  * @author      Marcel Werk
  11  * @copyright   2001-2019 WoltLab GmbH
  12  * @license     GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  13  * @package     WoltLabSuite\Core\Data\Article\Content
  14  * @since       3.0
  15  *
  16  * @method      ViewableArticleContent          current()
  17  * @method      ViewableArticleContent[]        getObjects()
  18  * @method      ViewableArticleContent|null     search($objectID)
  19  * @property    ViewableArticleContent[]        $objects
  20  */
  21 class ViewableArticleContentList extends ArticleContentList {
  22         /**
  23          * @inheritDoc
  24          */
  25         public $decoratorClassName = ViewableArticleContent::class;
  26
  27         /**
  28          * @inheritDoc
  29          */
  30         public function readObjects() {
  31                 parent::readObjects();
  32
  33                 $imageIDs = $embeddedObjectPostIDs = $articleIDs = [];
  34                 foreach ($this->getObjects() as $articleContent) {
  35                         if ($articleContent->imageID) {
  36                                 $imageIDs[] = $articleContent->imageID;
  37                         }
  38                         if ($articleContent->thumbnailImageID) {
  39                                 $imageIDs[] = $articleContent->thumbnailImageID;
  40                         }
  41                         if ($articleContent->hasEmbeddedObjects) {
  42                                 $embeddedObjectPostIDs[] = $articleContent->articleContentID;
  43                         }
  44
  45                         $articleIDs[] = $articleContent->articleID;
  46                 }
  47
  48                 // cache images
  49                 if (!empty($imageIDs)) {
  50                         $mediaList = new ViewableMediaList();
  51                         $mediaList->setObjectIDs($imageIDs);
  52                         $mediaList->readObjects();
  53                         $images = $mediaList->getObjects();
  54                 }
  55
  56                 // load embedded objects
  57                 if (!empty($embeddedObjectPostIDs)) {
  58                         $contentLanguageID = null;
  59                         if (count($embeddedObjectPostIDs) === 1) $contentLanguageID = reset($this->objects)->languageID;
  60
  61                         MessageEmbeddedObjectManager::getInstance()->loadObjects('com.woltlab.wcf.article.content', $embeddedObjectPostIDs, $contentLanguageID);
  62                 }
  63
  64                 if (!empty($articleIDs)) {
  65                         $articleList = new ViewableArticleList();
  66                         // to prevent an infinity loop, because the list loads otherwise the article content
  67                         $articleList->enableContentLoading(false);
  68                         $articleList->setObjectIDs($articleIDs);
  69                         $articleList->readObjects();
  70                 }
  71
  72                 foreach ($this->getObjects() as $articleContent) {
  73                         if (isset($images)) {
  74                                 if ($articleContent->imageID && isset($images[$articleContent->imageID])) {
  75                                         $articleContent->setImage($images[$articleContent->imageID]);
  76                                 }
  77
  78                                 if ($articleContent->teaserImageID && isset($images[$articleContent->teaserImageID])) {
  79                                         $articleContent->setTeaserImage($images[$articleContent->teaserImageID]);
  80                                 }
  81                         }
  82
  83                         if (isset($articleList)) {
  84                                 if ($articleList->search($articleContent->articleID) !== null) {
  85                                         $articleContent->setArticle($articleList->search($articleContent->articleID));
  86                                 }
  87                                 else {
  88                                         throw new \LogicException('Unable to find article with id "'. $articleContent->articleID .'".');
  89                                 }
  90                         }
  91                 }
  92         }
  93 }