static void Main()
{
int refresh = int.Parse(ConfigurationManager.AppSettings.Get("RefreshRate")) * 1000;
CurrencyConsumer api = new CurrencyConsumer(
ConfigurationManager.AppSettings.Get("Url"));
Console.WriteLine("Exchange rate USD/GTQ from http://www.banguat.gob.gt/");
while (true)
{
// Obtain the TipoCambio
CurrencyEntry newCurrency = TipoCambio.TipoCambioDia();
if (newCurrency != null)
{
// Post to the API
api.PostCurrencyAsync(newCurrency);
}
else
{
Console.WriteLine(String.Format(
"TipoCambio Web Service is not available retrying in {0} seconds",
refresh / 1000));
}
Thread.Sleep(refresh);
}
}
/// <summary>method <c>TipoCambioDia</c>
/// Consumes the TipoCambioDia action from the TipoCambio WebService.</summary>
public static CurrencyEntry TipoCambioDia()
{
CurrencyEntry currencyEntry = null;
const string soapBody = @"<TipoCambioDia xmlns=""http://www.banguat.gob.gt/variables/ws/"" />";
XmlDocument soapEnvelopeXml = CreateSoapEnvelope(soapBody);
HttpWebRequest webRequest = CreateWebRequest(wsUrl, wsAction);
InsertSoapEnvelopeIntoWebRequest(soapEnvelopeXml, webRequest);
// async call to web request.
IAsyncResult asyncResult = webRequest.BeginGetResponse(null, null);
asyncResult.AsyncWaitHandle.WaitOne();
// Response from the completed web request.
string soapResult;
using (WebResponse webResponse = webRequest.EndGetResponse(asyncResult))
{
using (StreamReader rd = new StreamReader(webResponse.GetResponseStream()))
{
soapResult = rd.ReadToEnd();
}
// Retrieve information from the XML response
XmlDocument response = new XmlDocument();
response.LoadXml(soapResult);
currencyEntry = new CurrencyEntry();
string fecha = response.GetElementsByTagName("fecha")[0].InnerText;
currencyEntry.date = DateTime.ParseExact(fecha, "dd/MM/yyyy", null);
currencyEntry.rate = Convert.ToDouble(response.GetElementsByTagName("referencia")[0].InnerText);
}
return(currencyEntry);
}
public async void PostCurrencyAsync(CurrencyEntry record)
{
// Build query string
string queryString = String.Format(endPoint, record.date, record.rate);
try
{
HttpResponseMessage response = await client.PostAsync(queryString, null);
Console.WriteLine(
String.Format(logStatus,
(int)response.StatusCode, response.StatusCode));
}
catch (HttpRequestException e) {
Console.WriteLine("Error: " + e.Message.ToString());
}
}
