public void MarkAsSeen(int notificationId, NotificationType type)
{
switch (type)
{
case NotificationType.Referral:
_referralRepository.MarkAsSeen(notificationId);
break;
case NotificationType.TestResult:
_testRepository.MarkAsSeen(notificationId);
break;
case NotificationType.AppointmentRequest:
_appointmentRequestRepository.MarkAsSeen(notificationId);
break;
}
}