public async Task <ActionResult <IEnumerable <Country> > > GetCountriesAsync()
{
var countries = _memoryCacheService.GetCacheData();
if (countries is null)
{
var newCountries = await _countryService.GetCountriesAsync();
_memoryCacheService.CreateCache(newCountries);
return(Ok(newCountries));
}
return(Ok(countries));
}