function __construct(Notification $notification)
 {
     $this->id = $notification->getId();
     $this->content = $notification->getContent();
     $this->isRead = $notification->getIsRead();
     $this->createdOn = $notification->getCreatedOn();
 }
 private static function update(Notification $model)
 {
     $db = DatabaseData::getInstance(\RedDevil\Config\DatabaseConfig::DB_INSTANCE);
     $query = "UPDATE notifications SET Content= :Content, UserId= :UserId, IsRead= :IsRead, CreatedOn= :CreatedOn WHERE id = :id";
     $result = $db->prepare($query);
     $result->execute([':id' => $model->getId(), ':Content' => $model->getContent(), ':UserId' => $model->getUserId(), ':IsRead' => $model->getIsRead(), ':CreatedOn' => $model->getCreatedOn()]);
 }