public IActionResult GetCitiesWithOutOffice(int countryId) { if (!_countryService.CountryExists(countryId)) { return(NotFound()); } var citiesWithOutOffice = _branchOfficeService.GetCitiesWithOutOffice(countryId); if (citiesWithOutOffice.Count() > 0) { return(Ok(citiesWithOutOffice)); } else { return(NoContent()); } }