public IEnumerable <ExchangeRate> GetExchangeRates(IEnumerable <Currency> currencies)
{
var requiredCodesCur = currencies.Select(c => c.Code).ToList();
var relevantExcRates = new List <ExchangeRate>();
Currency comparedCurency = new Currency(targetCurrency);
var ratesRequest = new RateRequestModel()
{
Date = DateTime.Today.ToString(AcceptedDateFormat),
RequestUrl = ExchangeSourceUrl
};
ExchangeRateResponse ratesResponse = ratesReqClient.GetRatesData(ratesRequest);
if (ratesResponse != null && ratesResponse.Table.RatesRows.Length > 0)
{
foreach (var rate in ratesResponse.Table.RatesRows)
{
if (requiredCodesCur.Contains(rate.Code))
{
relevantExcRates.Add(new ExchangeRate(new Currency(rate.Code), comparedCurency, (decimal)Convert.ToDecimal(rate.Rate) / Convert.ToInt32(rate.Amount)));
}
else
{
continue;
}
}
}
return(relevantExcRates);
}
public ExchangeRateResponse GetRatesData(RateRequestModel req, CancellationToken cancelToken = default(CancellationToken))
{
string fullUrl = req.RequestUrl + req.Date;
ExchangeRateResponse ratesResponse = null;
try
{
using (client = new HttpClient())
{
var response = client.GetAsync(fullUrl).Result;
if (response.StatusCode == HttpStatusCode.OK)
{
var responseXML = response.Content.ReadAsStringAsync().Result;
var bytes = Encoding.UTF8.GetBytes(responseXML);
var stream = new MemoryStream(bytes);
XmlSerializer _serializer = new XmlSerializer(typeof(ExchangeRateResponse));
using (XmlReader reader = XmlReader.Create(stream))
{
ratesResponse = (ExchangeRateResponse)_serializer.Deserialize(reader);
reader.Close();
}
return(ratesResponse);
}
}
}
catch (Exception e)
{
Console.Error.WriteLine("Exception: " + e.Message);
}
return(null);
}