public IActionResult DeleteSubgroup(int groupId, int id)
{
if (!_registrationRepository.GroupExists(groupId))
{
return(NotFound());
}
var subgroupEntity = _registrationRepository.GetSubgroup(groupId, id);
if (subgroupEntity == null)
{
return(NotFound());
}
_registrationRepository.DeleteSubgroup(subgroupEntity);
if (!_registrationRepository.Save())
{
return(StatusCode(500, "A problem happened while handling your request."));
}
return(NoContent());
}