/**
  * Saves an article into the database.
  *
  * @param \MicroCMS\Domain\Article $article The article to save
  */
 public function save(Article $article)
 {
     $articleData = array('art_title' => $article->getTitle(), 'art_content' => $article->getContent(), 'art_price' => $article->getPrice(), 'game_id' => $article->getGame()->getId());
     if ($article->getId()) {
         // The article has already been saved : update it
         $this->getDb()->update('article', $articleData, array('art_id' => $article->getId()));
     } else {
         // The article has never been saved : insert it
         $this->getDb()->insert('article', $articleData);
         // Get the id of the newly created article and set it on the entity.
         $id = $this->getDb()->lastInsertId();
         $article->setId($id);
     }
     $images = $article->getImages();
     foreach ($images as $image) {
         $image->setArticle($article);
         $this->getArticleImageDAO()->save($image);
     }
 }