public Response AddState(State state)
{
Response response = new Response();
if (carsRepository.GetStates().Any(s => s.StateName == state.StateName))
{
response.Success = false;
response.Message = "ERROR: state exists";
return(response);
}
carsRepository.AddState(state);
response.Success = true;
response.Message = "state added";
return(response);
}