public function addComment(\app\model\Comment $comment)
 {
     $successfulComment = false;
     $comments = $this->getAllComments();
     try {
         $db = $this->db->getConnection();
         $sql = "INSERT INTO {$this->dbTable} (" . self::$commenterColumn . ", " . self::$contentColumn . ", " . self::$venueIdentifierColumn . ", " . self::$timeStampColumn . ") VALUES (?, ?, ?, ?)";
         $params = array($comment->getName(), $comment->getContent(), $comment->getVenueIdentifier(), $comment->getTimeStamp());
         $query = $db->prepare($sql);
         $query->execute($params);
         $successfulComment = true;
     } catch (\PDOException $e) {
         die("Database error, please try again later");
     }
     return $successfulComment;
 }