public Task <IServiceResult <Error, Rate[]> > GetRatesAsync(int year, int month, string[] currencyCodes)
{
return(RunAsync(async() =>
{
if (year < 1990 || year > DateTime.UtcNow.Year)
{
return ServiceResult <Error, Rate[]> .Fault(null, BlErrors.Error1003(nameof(year), year.ToString()));
}
if (month < 1 || month > 12)
{
return ServiceResult <Error, Rate[]> .Fault(null, BlErrors.Error1003(nameof(month), month.ToString()));
}
var rates = await _unitOfWork.RateRepository.GetEntitiesAsync(Specifications.MonthRate(year, month, currencyCodes));
return ServiceResult <Error> .Success(rates.ToArray());
}));
}
