public IActionResult DeleteAttendee(int groupId, int subgroupId, int attendeeId)
{
var attendeeEntity = _registrationRepository.GetAttendee(subgroupId, attendeeId);
if (attendeeEntity == null)
{
return(NotFound());
}
_registrationRepository.DeleteAttendee(attendeeEntity);
if (!_registrationRepository.Save())
{
return(StatusCode(500, "A problem happened while handling your request."));
}
return(NoContent());
}
