public override async Task <Unit> Handle(GetRateAction aGetRateAction, CancellationToken aCancellationToken)
{
var conversionRequest = new ConversionRequest()
{
FromCurrency = aGetRateAction.FromCurrency, ToCurrency = aGetRateAction.ToCurrency
};
string uri = $"{ConversionRequest.Route}?{conversionRequest.ToQueryString()}";
ConversionResponse conversionResponse = await HttpClient.GetJsonAsync <ConversionResponse>(uri);
Conversion?conversion = RateState.Conversions.FirstOrDefault
(
aConversion => aConversion.FromCurrency == aGetRateAction.FromCurrency &&
aConversion.ToCurrency == aGetRateAction.ToCurrency
);
RateState._Conversions.Remove(conversion);
RateState._Conversions.Add(new Conversion(
conversionRequest.FromCurrency,
conversionRequest.ToCurrency,
conversionResponse.Rate));
return(Unit.Value);
}
