public Logic()
{
currencies = new CryptoDelivery_Currencies.Currencies();
}
public string ReturnCurrencyRankToAnother(System.Net.WebClient client, Options.Currency ToCurrency,
Currencies.ExchangeType exchangeType)
{
try
{
switch (exchangeType)
{
case Currencies.ExchangeType.Kraken:
{
if (ToCurrency == Options.Currency.CNY)
return client.DownloadString(USDtoCNY);
else if (ToCurrency == Options.Currency.PLN)
return client.DownloadString(USDtoPLN);
else if (ToCurrency == Options.Currency.GBP)
return client.DownloadString(USDtoGBP);
break;
}
case Currencies.ExchangeType.Btce:
{
if (ToCurrency == Options.Currency.CNY)
return client.DownloadString(USDtoCNY);
else if (ToCurrency == Options.Currency.PLN)
return client.DownloadString(USDtoPLN);
else if (ToCurrency == Options.Currency.GBP)
return client.DownloadString(USDtoGBP);
break;
}
case Currencies.ExchangeType.Bitstamp:
{
if (ToCurrency == Options.Currency.CNY)
return client.DownloadString(USDtoCNY);
else if (ToCurrency == Options.Currency.EUR)
return client.DownloadString(USDtoEUR);
else if (ToCurrency == Options.Currency.PLN)
return client.DownloadString(USDtoPLN);
else if (ToCurrency == Options.Currency.GBP)
return client.DownloadString(USDtoGBP);
break;
}
case Currencies.ExchangeType.Bitcurex:
{
if (ToCurrency == Options.Currency.USD)
return client.DownloadString(EURtoUSD);
else if (ToCurrency == Options.Currency.CNY)
return client.DownloadString(EURtoCNY);
else if (ToCurrency == Options.Currency.GBP)
return client.DownloadString(EURtoGBP);
break;
}
case Currencies.ExchangeType.BtcChina:
{
if (ToCurrency == Options.Currency.USD)
return client.DownloadString(CNYtoUSD);
else if(ToCurrency== Options.Currency.EUR)
return client.DownloadString(CNYtoEUR);
else if(ToCurrency== Options.Currency.GBP)
return client.DownloadString(CNYtoGBP);
else if (ToCurrency == Options.Currency.PLN)
return client.DownloadString(CNYtoPLN);
break;
}
default:
break;
}
}
catch (Exception e)
{
try
{
//alternative to realtime values
return GetValueFromEuropeanCentralBank(ToCurrency, exchangeType);
}
catch (Exception error)
{
Log.Error(error);
}
Log.Error(e);
}
return null;
}
public string PrepareJsonResponseForRecalculation(IList<Cube> currenciesList, Currencies.ExchangeType exchangeType,
Options.Currency currency)
{
var curr = currency.ToString();
Cube destCurr = currenciesList.First(x => (x.currency == curr));
var from = "";
string result = "";
double generalRate;
if (exchangeType == Currencies.ExchangeType.Bitcurex)
{
from = "EUR";
generalRate = Convert.ToDouble(destCurr.rate.Replace('.', ','));
}
else if (exchangeType == Currencies.ExchangeType.BtcChina)
{
from = "CNY";
//przelicz waluty
Cube cny = currenciesList.First(x => (x.currency == "CNY"));
double cnyRate = Convert.ToDouble(cny.rate.Replace('.', ','));
double destCurrRate = Convert.ToDouble(destCurr.rate.Replace('.', ','));
generalRate = destCurrRate / cnyRate;
}
else
{
from = "USD";
//przelicz waluty
Cube usd = currenciesList.First(x => (x.currency == "USD"));
double usdRate = Convert.ToDouble(usd.rate.Replace('.', ','));
double destCurrRate = Convert.ToDouble(destCurr.rate.Replace('.', ','));
generalRate = destCurrRate / usdRate;
}
_rateList = currenciesList;
_lastUpdateTime = DateTime.Now;
//prepare response
JsonObjectECB ecb = new JsonObjectECB();
ecb.from = from;
ecb.rate = generalRate;
ecb.to = destCurr.currency;
result = JsonConvert.SerializeObject(ecb);
return result;
}
public string GetResponseInSpecificCurrency(System.Net.WebClient client, Options.Currency currency,
Currencies.ExchangeType exchangeType, Currencies.CoinType coinType)
{
try
{
if (coinType == Currencies.CoinType.Bitcoin)
{
switch (exchangeType)
{
case Currencies.ExchangeType.LilionTransfer:
{
switch (currency)
{
case Options.Currency.CNY:
return client.DownloadString(lilionTransferUSD); // needs recalculation
case Options.Currency.GBP:
return client.DownloadString(lilionTransferGBP);
case Options.Currency.PLN:
return client.DownloadString(lilionTransferPLN);
case Options.Currency.USD:
return client.DownloadString(lilionTransferUSD);
case Options.Currency.EUR:
return client.DownloadString(lilionTransferEUR);
}
break;
}
case Currencies.ExchangeType.MTGOX:
{
switch (currency)
{
case Options.Currency.CNY:
return client.DownloadString(mtgoxBTCCNY);
case Options.Currency.GBP:
return client.DownloadString(mtgoxBTCGBP);
case Options.Currency.PLN:
return client.DownloadString(mtgoxBTCPLN);
case Options.Currency.USD:
return client.DownloadString(mtgoxBTCUSD);
case Options.Currency.EUR:
return client.DownloadString(mtgoxBTCEUR);
}
break;
}
case Currencies.ExchangeType.Bitcurex:
{
switch (currency)
{
case Options.Currency.PLN:
return client.DownloadString(bitcurexPLN);
case Options.Currency.EUR:
return client.DownloadString(bitcurexEUR);
default:
return client.DownloadString(bitcurexEUR);
}
}
case Currencies.ExchangeType.Kraken:
{
switch (currency)
{
case Options.Currency.EUR:
return client.DownloadString(krakenBTCEUR);
case Options.Currency.USD:
return client.DownloadString(krakenBTCUSD);
default:
return client.DownloadString(krakenBTCUSD);
}
}
case Currencies.ExchangeType.Btce:
{
switch (currency)
{
case Options.Currency.USD:
return client.DownloadString(btceBTCUSD);
case Options.Currency.EUR:
return client.DownloadString(btceBTCEUR);
default:
return client.DownloadString(btceBTCUSD);
}
}
case Currencies.ExchangeType.Bitstamp:
default:
return client.DownloadString(bitstampUSD);
}
}
#region litecoin
if (coinType == Currencies.CoinType.Litecoin)
{
switch (exchangeType)
{
case Currencies.ExchangeType.Kraken:
{
switch (currency)
{
case Options.Currency.EUR:
return client.DownloadString(krakenLTCEUR);
case Options.Currency.USD:
return client.DownloadString(krakenLTCUSD);
default:
return client.DownloadString(krakenLTCUSD);
}
}
case Currencies.ExchangeType.Btce:
{
switch (currency)
{
case Options.Currency.EUR:
return client.DownloadString(btceLTCEUR);
case Options.Currency.USD:
return client.DownloadString(btceLTCUSD);
default:
return client.DownloadString(btceLTCUSD);
}
}
default:
break;
}
}
#endregion
}
catch (Exception e)
{
Log.Error(e);
}
return null;
}
//Alternative method
public string GetValueFromEuropeanCentralBank(Options.Currency currency,
Currencies.ExchangeType exchangeType)
{
if (_rateList.Count == 0 || _lastUpdateTime.AddHours(6) < DateTime.Now)
{
var oEuropeanCentralBank = new XmlEuropeanCentralBank();
oEuropeanCentralBank.DeserializeXml();
return PrepareJsonResponseForRecalculation(oEuropeanCentralBank.curreniesList, exchangeType, currency);
}
return PrepareJsonResponseForRecalculation(_rateList, exchangeType, currency);
}
public void UpdateValue(Currencies.CoinType coinType, Currencies.ExchangeType exchange,
CryptoDelivery_Logic.Logic background, CryptoDelivery_Logic.Logic backgroundOld, Label labelTo, Label labelFrom, Label labelLast)
{
Currencies.Currency currency = background.currencies.GetCurrencyValue(coinType, exchange);
Currencies.Currency currencyOld = backgroundOld.currencies.GetCurrencyValue(coinType, exchange);
var value_from = Double.Parse(currency.value_from);
var value_to = Double.Parse(currency.value_to);
var value_from_old = double.Parse(currencyOld.value_from);
var value_to_old = double.Parse(currencyOld.value_to);
if (value_from > value_from_old)
labelFrom.ForeColor = Color.LimeGreen;
else if (value_from < value_from_old)
labelFrom.ForeColor = Color.Red;
if (value_to > value_to_old)
labelTo.ForeColor = Color.LimeGreen;
else if (value_to < value_to_old)
labelTo.ForeColor = Color.Red;
if (currency.value_from.Equals("-1"))
{
labelFrom.Text = "N/A";
labelFrom.ForeColor = Color.Black;
}
else
{
labelFrom.Text = currency.value_from;
}
if (currency.value_to.Equals("-1"))
{
labelTo.Text = "N/A";
labelTo.ForeColor = Color.Black;
}
else
{
labelTo.Text = currency.value_to;
}
if (labelLast != null)
{
var value_last = double.Parse(currency.value_last);
var value_last_old = double.Parse(currencyOld.value_last);
if (value_last > value_last_old)
labelLast.ForeColor = Color.LimeGreen;
else if (value_last < value_last_old)
labelLast.ForeColor = Color.Red;
if (currency.value_last.Equals("-1"))
{
labelLast.Text = "N/A";
labelLast.ForeColor = Color.Black;
}
else
{
labelLast.Text = currency.value_last;
}
}
}