public async Task <ActionResult <CityAdd> > AddCityInfo([FromBody] CityAdd cityToAdd)
{
var duplicate = await _service.FindDuplicate(cityToAdd.Name, cityToAdd.RegionName);
if (duplicate == null)
{
var cityModel = _mapper.Map <City>(cityToAdd);
_service.AddNewCity(cityModel);
_service.SaveChanges();
return(Ok());
}
else
{
return(BadRequest($"{cityToAdd.RegionName} already contains {cityToAdd.Name}."));
}
}