private async Task <IEnumerable <Rate> > ConvertResponseToList(RatesResponse response)
{
var currenciesMap = (await _ratesRepository.GetAllCurrencyAsync()).ToDictionary(key => key.Code, value => value);
var results = response.RatesDictionary.Select(x => x.Value.Select(y => new Rate
{
BaseCurrencyId = currenciesMap[response.BaseCurrencyCode].Id,
BaseCurrency = currenciesMap[response.BaseCurrencyCode],
ResultCurrencyId = currenciesMap[y.Key].Id,
ResultCurrency = currenciesMap[y.Key],
RateDate = DateTime.Parse(x.Key),
RateValue = y.Value
}));
var resultingRates = new List <Rate>();
foreach (var result in results)
{
resultingRates.AddRange(result);
}
return(resultingRates);
}