public RatesHostedService(SettingsRepository repo,
RateProviderFactory rateProviderFactory,
Logs logs) : base(logs)
{
this._SettingsRepository = repo;
_RateProviderFactory = rateProviderFactory;
}
public RatesHostedService(SettingsRepository repo,
RateProviderFactory rateProviderFactory,
CoinAverageSettings coinAverageSettings)
{
this._SettingsRepository = repo;
_coinAverageSettings = coinAverageSettings;
_RateProviderFactory = rateProviderFactory;
}
/// <summary>
/// Should return exchange rates among the specified currencies that are defined by the source. But only those defined
/// by the source, do not return calculated exchange rates. E.g. if the source contains "EUR/USD" but not "USD/EUR",
/// do not return exchange rate "USD/EUR" with value calculated as 1 / "EUR/USD". If the source does not provide
/// some of the currencies, ignore them.
/// </summary>
public IEnumerable <ExchangeRate> GetExchangeRates(IEnumerable <Currency> currencies)
{
List <ExchangeRate> exchangeRates = new List <ExchangeRate>();
IRateProvider rateProvider = RateProviderFactory.Create();
IDictionary <string, decimal> exchangeRatesDictionary = rateProvider.GetExchangeRates();
foreach (Currency currency in currencies)
{
if (exchangeRatesDictionary.ContainsKey(currency.Code))
{
ExchangeRate exchangeRate = ExchangeRateFactory.Create(rateProvider.SourceCurrencyCode, currency, exchangeRatesDictionary[currency.Code]);
exchangeRates.Add(exchangeRate);
}
}
return(exchangeRates);
}
