public UsdExRate[] ConverttoUSD(string from, string amount)
{
/**
* this section can be moved to constructor since its a shared.
*/
Dictionary<string, float> CurrencyDic = cache["CurrencyDic"] as Dictionary<string, float>;
if (CurrencyDic == null || CurrencyDic.Count == 0)
{
WebClient webClient = new WebClient();
String url = "http://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist-90d.xml";
String xml = webClient.DownloadString(url);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml);
XmlNodeList LastDateCurrencyNodes = xmlDoc.DocumentElement.ChildNodes[2].ChildNodes[0].ChildNodes;
Dictionary<string, float> CurrencyDictionary = new Dictionary<string, float>();
for (int i = 0; i < LastDateCurrencyNodes.Count; i++)
{
CurrencyDictionary.Add((string)LastDateCurrencyNodes[i].Attributes["currency"].Value, float.Parse(LastDateCurrencyNodes[i].Attributes["rate"].Value));
}
CurrencyDictionary.Add("EUR", float.Parse("1.00"));
policy = new CacheItemPolicy();
DateTime today = DateTime.Now;
DateTime expire = today.AddDays(1);
policy.AbsoluteExpiration = expire;
cache.Set("CurrencyDic", CurrencyDictionary, policy);
if (CurrencyDictionary.ContainsKey(from) && CurrencyDictionary.ContainsKey("USD"))
{
float convertedAmount = float.Parse(amount) * CurrencyDictionary[from] / CurrencyDictionary["USD"];
float exchangeRate = 1 / convertedAmount;
UsdExRate[] res = new UsdExRate[]{
new UsdExRate(){
exRate = exchangeRate.ToString()
}
};
return res;
}
else
{
UsdExRate[] res = new UsdExRate[]{
new UsdExRate(){
exRate = "0.00000",
errorMsg = "Api does not support this operation"
}
};
return res;
}
}
else
{
if (CurrencyDic.ContainsKey(from) && CurrencyDic.ContainsKey("USD"))
{
float convertedAmount = float.Parse(amount) * CurrencyDic[from] / CurrencyDic["USD"];
float exchangeRate = 1 / convertedAmount;
UsdExRate[] res = new UsdExRate[]{
new UsdExRate(){
exRate = exchangeRate.ToString()
}
};
return res;
}
else
{
UsdExRate[] res = new UsdExRate[]{
new UsdExRate(){
exRate = "0.00000",
errorMsg = "Api does not support this operation"
}
};
return res;
}
}
}
public UsdExRate[] ConverttoUSD(string from, string amount)
{
/**
* this section can be moved to constructor since its a shared.
*/
Dictionary <string, float> CurrencyDic = cache["CurrencyDic"] as Dictionary <string, float>;
if (CurrencyDic == null || CurrencyDic.Count == 0)
{
WebClient webClient = new WebClient();
String url = "http://www.ecb.europa.eu/stats/eurofxref/eurofxref-hist-90d.xml";
String xml = webClient.DownloadString(url);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml);
XmlNodeList LastDateCurrencyNodes = xmlDoc.DocumentElement.ChildNodes[2].ChildNodes[0].ChildNodes;
Dictionary <string, float> CurrencyDictionary = new Dictionary <string, float>();
for (int i = 0; i < LastDateCurrencyNodes.Count; i++)
{
CurrencyDictionary.Add((string)LastDateCurrencyNodes[i].Attributes["currency"].Value, float.Parse(LastDateCurrencyNodes[i].Attributes["rate"].Value));
}
CurrencyDictionary.Add("EUR", float.Parse("1.00"));
policy = new CacheItemPolicy();
DateTime today = DateTime.Now;
DateTime expire = today.AddDays(1);
policy.AbsoluteExpiration = expire;
cache.Set("CurrencyDic", CurrencyDictionary, policy);
if (CurrencyDictionary.ContainsKey(from) && CurrencyDictionary.ContainsKey("USD"))
{
float convertedAmount = float.Parse(amount) * CurrencyDictionary[from] / CurrencyDictionary["USD"];
float exchangeRate = 1 / convertedAmount;
UsdExRate[] res = new UsdExRate[] {
new UsdExRate()
{
exRate = exchangeRate.ToString()
}
};
return(res);
}
else
{
UsdExRate[] res = new UsdExRate[] {
new UsdExRate()
{
exRate = "0.00000",
errorMsg = "Api does not support this operation"
}
};
return(res);
}
}
else
{
if (CurrencyDic.ContainsKey(from) && CurrencyDic.ContainsKey("USD"))
{
float convertedAmount = float.Parse(amount) * CurrencyDic[from] / CurrencyDic["USD"];
float exchangeRate = 1 / convertedAmount;
UsdExRate[] res = new UsdExRate[] {
new UsdExRate()
{
exRate = exchangeRate.ToString()
}
};
return(res);
}
else
{
UsdExRate[] res = new UsdExRate[] {
new UsdExRate()
{
exRate = "0.00000",
errorMsg = "Api does not support this operation"
}
};
return(res);
}
}
}