/// <summary>
/// Get CountryModel by alpha3Code
/// 1- If repository is available, return repository Result
/// 3- Else, return an Exception
/// </summary>
/// <param name="alpha3Code">a Country Alpha3Code. e.g : 'FRA' foir France</param>
/// <returns>CountryModel with alpha3Code null if does not exists</returns>
public async Task <CountryModel> GetCountryByAlpha3CodeAsync(string alpha3Code)
{
if (_repo != null)
{
//1
return(await _repo.GetCountryByAlpha3CodeAsync(alpha3Code));
}
else
{
//2-
throw new Exception(HRCountriesServicesSolution.Constant.COUNTRIES.COUNTRIES_REPOSITORY_ERROR_DESCRIPTION);
}
}