/// <summary>
/// Gets currency live rates
/// </summary>
/// <param name="exchangeRateCurrencyCode">Exchange rate currency code</param>
/// <returns>Exchange rates</returns>
public IList<Core.Domain.Directory.ExchangeRate> GetCurrencyLiveRates(string exchangeRateCurrencyCode)
{
var exchangeRates = new List<Core.Domain.Directory.ExchangeRate>();
string url = string.Format("http://themoneyconverter.com/rss-feed/{0}/rss.xml", exchangeRateCurrencyCode);
var request = WebRequest.Create(url) as HttpWebRequest;
using (var response = request.GetResponse())
{
var xmlDoc = new XmlDocument();
xmlDoc.Load(response.GetResponseStream());
var nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
nsmgr.AddNamespace("atom", "http://www.w3.org/2005/Atom");
nsmgr.AddNamespace("cf", "http://www.microsoft.com/schemas/rss/core/2005");
nsmgr.AddNamespace("cfi", "http://www.microsoft.com/schemas/rss/core/2005/internal");
foreach (XmlNode node in xmlDoc.DocumentElement.FirstChild.ChildNodes)
{
if (node.Name == "item")
{
/*
<item>
<title xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="text">AED/NZD</title>
<link>http://themoneyconverter.com/NZD/AED.aspx</link>
<guid>http://themoneyconverter.com/NZD/AED.aspx</guid>
<pubDate>Fri, 20 Feb 2009 08:01:41 GMT</pubDate>
<atom:published xmlns:atom="http://www.w3.org/2005/Atom">2009-02-20T08:01:41Z</atom:published>
<atom:updated xmlns:atom="http://www.w3.org/2005/Atom">2009-02-20T08:01:41Z</atom:updated>
<description xmlns:cf="http://www.microsoft.com/schemas/rss/core/2005" cf:type="html">1 New Zealand Dollar = 1.84499 Arab Emirates Dirham</description>
<category>Middle-East</category>
<cfi:id>32</cfi:id>
<cfi:effectiveId>1074571199</cfi:effectiveId>
<cfi:read>true</cfi:read>
<cfi:downloadurl>http://themoneyconverter.com/NZD/rss.xml</cfi:downloadurl>
<cfi:lastdownloadtime>2009-02-20T08:05:27.168Z</cfi:lastdownloadtime>
</item>
*/
try
{
var rate = new Core.Domain.Directory.ExchangeRate();
foreach (XmlNode detailNode in node.ChildNodes)
{
switch (detailNode.Name)
{
case "title":
rate.CurrencyCode = detailNode.InnerText.Substring(0, 3);
break;
case "pubDate":
rate.UpdatedOn = DateTime.Parse(detailNode.InnerText, CultureInfo.InvariantCulture);
break;
case "description":
string description = detailNode.InnerText;
int x = description.IndexOf('=');
int y = description.IndexOf(' ', x + 2);
// 1 2 3 4
//01234567890123456789012345678901234567890
// 1 New Zealand Dollar = 0.78815 Australian Dollar
// x = 21
// y = 30
string rateText = description.Substring(x + 1, y - x - 1).Trim();
rate.Rate = decimal.Parse(rateText, CultureInfo.InvariantCulture);
break;
default:
break;
}
}
// Update the Rate in the collection if its already in there
if (rate.CurrencyCode != null)
{
exchangeRates.Add(rate);
}
}
catch (Exception exc)
{
_logger.Warning(string.Format("Error parsing currency rates (MC): {0}", exc.Message), exc);
}
} // if node is an item
} // foreach child node under <channel>
}
return exchangeRates;
}