private bool TryInitializeCurrencyRatingProvider(Currency source, IEnumerable <ICurrencyRatingProvider> currencyRatingProviders)
{
var selectedProvider = currencyRatingProviders.SingleOrDefault(provider => provider.Source == source);
if (selectedProvider == null)
{
return(false);
}
CurrencyRatingProvider = selectedProvider;
return(true);
}
public GetCurrencyCommand()
{
var rubToUsdProvider = new RubToUsdCurrencyProvider();
var usdToRubProvider = new UsdToRubCurrencyProvider();
var rubToEurProvider = new RubToEurCurrencyProvider();
var eurToRubProvider = new EurToRubCurrencyProvider();
var usdToEurProvider = new UsdToEurCurrencyProvider();
var eurToUsdProvider = new EurToUsdCurrencyProvider();
var rubToGbpProvider = new RubToGbpCurrencyProvider();
var gbpToRubProvider = new GbpToRubCurrencyProvider();
var eurToGbpProvider = new EurToGbpCurrencyProvider();
var gbpToEurProvider = new GbpToEurCurrencyProvider();
var usdToGbpProvider = new UsdToGbpCurrencyProvider();
var gbpToUsdProvider = new GbpToUsdCurrencyProvider();
var btcToUsdProvier = new BtcToUsdCurrencyProvider();
_currencyToAnotherRateProviders = new ICurrencyToAnotherRateProvider[]
{
rubToUsdProvider,
usdToRubProvider,
rubToEurProvider,
eurToRubProvider,
usdToEurProvider,
eurToUsdProvider,
rubToGbpProvider,
gbpToRubProvider,
eurToGbpProvider,
gbpToEurProvider,
usdToGbpProvider,
gbpToUsdProvider,
btcToUsdProvier
};
_currencyRatingProviders = new ICurrencyRatingProvider[]
{
new CurrencyRatingProvider(Currency.RUB, rubToUsdProvider, rubToEurProvider, rubToGbpProvider),
new CurrencyRatingProvider(Currency.USD, usdToRubProvider, usdToEurProvider, usdToGbpProvider),
new CurrencyRatingProvider(Currency.EUR, eurToUsdProvider, eurToRubProvider, eurToGbpProvider),
new CurrencyRatingProvider(Currency.GBP, gbpToUsdProvider, gbpToEurProvider, gbpToRubProvider),
new CurrencyRatingProvider(Currency.BTC, btcToUsdProvier)
};
}
