private bool IsPatientAvailable(int patientCardId, DateTime dateTime)
{
if (!_activePatientCardRepository.CheckIfPatientCardExists(patientCardId))
{
throw new BadRequestException("Patient doesn't exist in database.");
}
if (_examinationRepository.GetExaminationsByPatientAndDateTime(patientCardId, dateTime).Count > 0)
{
return(false);
}
return(true);
}