public FinancialProduct GetSingleProductInfo(string code, string key, string productID)
{
BPiaoBao.Common.CashbagHelper ch = new BPiaoBao.Common.CashbagHelper(webURLProduct + "GetSingleProductInfo", "GET");
Dictionary <string, string> dictionary = new Dictionary <string, string>();
dictionary.Add("code", code);
dictionary.Add("key", key);
dictionary.Add("productID", productID);
dictionary.Add("currentTime", DateTime.Now.ToString("yyyyMMddHHmmss"));
string data = ch.ParamsURLEncode(dictionary);
var result = ch.GetBackJsonData(data);
if (result.status == false)
{
throw new CashBagException(result.message.ToString());
}
result = result.result;
var fp = new FinancialProduct()
{
ProductId = result.FinancingProductID,
Name = result.ProductName,
Description = result.Content,
IconUrl = result.ImageUrl,
ReturnRate = result.ReturnRate,
Day = result.Day,
LimitAmount = result.LimitAmount,
EndDate = result.EndDate,
ValidDate = result.ValidDate,
InterestRate = result.InterestRate,
CreateDate = result.CreateDate,
CanSettleInAdvance = result.CanSettleInAdvance
};
return(fp);
}
public static FinancialProductDto ConvertModelDto(this FinancialProduct source)
{
return(new FinancialProductDto()
{
id = source.id,
name = source.name,
description = source.description
});
}
public FinancialCalculation(FinancialProduct product, double vehiclePrice, double downPayment, double residual, int numberMonths, double rate)
{
_product = product;
_vehiclePrice = vehiclePrice;
_downPayment = downPayment;
_residual = residual;
_numberMonths = numberMonths;
_rate = rate;
_financedAmount = _vehiclePrice - _downPayment;
MonthlyPaymentCalculation();
}
public void CalculoFinanceiroTestCredito()
{
FinancialProduct produto = FinancialProduct.Credit;
double pvp = 9900;
double entradaInicial = 0;
double residual = 0;
int duracacao = 18;
double taxa = 4.836;
double prestacaoEsperada = 571.30;
FinancialCalculation calculoFinanceiro = new FinancialCalculation(produto, pvp, entradaInicial, residual, duracacao, taxa);
Assert.AreEqual(prestacaoEsperada, calculoFinanceiro.MonthlyPayment);
}
public IEnumerable <FinancialProduct> GetActiveProduct(string code, string key, string quantity)
{
BPiaoBao.Common.CashbagHelper ch = new BPiaoBao.Common.CashbagHelper(webURLProduct + "GetActiveProduct", "GET");
Dictionary <string, string> dictionary = new Dictionary <string, string>();
dictionary.Add("code", code);
dictionary.Add("key", key);
dictionary.Add("quantity", quantity);
dictionary.Add("currentTime", DateTime.Now.ToString("yyyyMMddHHmmss"));
string data = ch.ParamsURLEncode(dictionary);
var result = ch.GetBackJsonData(data);
if (result.status == false)
{
throw new CashBagException(result.message.ToString());
}
List <FinancialProduct> lists = new List <FinancialProduct>();
var rows = JArray.FromObject(result.result);
foreach (var item in rows)
{
FinancialProduct fp = new FinancialProduct()
{
ProductId = item.FinancingProductID,
Name = item.ProductName,
Description = item.Content,
IconUrl = item.ImageUrl,
Abstract = "",
ReturnRate = item.ReturnRate,
Day = item.Day,
LimitAmount = item.LimitAmount ?? 0,
MaxAmount = item.MaxAmount,
CurrentAmount = item.CurrentAmount,
EndDate = item.EndDate,
ValidDate = item.ValidDate,
InterestRate = item.InterestRate,
CreateDate = item.CreateDate,
CanSettleInAdvance = item.CanSettleInAdvance
};
lists.Add(fp);
}
return(lists);
}
/// <summary>
/// The method "Price" is dedicated to compute the price of the European Call or Put
/// </summary>
/// <param name=product>The product to be priced</param>
/// <returns>The expected price</returns>
public override double Price(FinancialProduct product)
{
double result = 0;
EuropeanOption euroOption = (product as EuropeanOption);
if (euroOption != null)
{
//do something with it
double d1 = (Log(euroOption.S / euroOption.K) + (euroOption.R + 0.5 * Pow(euroOption.Sigma, 2)) * euroOption.T) / (euroOption.Sigma * Sqrt(euroOption.T));
double d2 = (Log(euroOption.S / euroOption.K) + (euroOption.R - 0.5 * Pow(euroOption.Sigma, 2)) * euroOption.T) / (euroOption.Sigma * Sqrt(euroOption.T));
if (euroOption.OptionType == Constants.EuroOptionType.Call)
{
result = (euroOption.S * Cndf(d1) - euroOption.K * Exp(-euroOption.R * euroOption.T) * Cndf(d2));
}
else if (euroOption.OptionType == Constants.EuroOptionType.Put)
{
result = (euroOption.K * Exp(-euroOption.R * euroOption.T) * Cndf(-d2) - euroOption.S * Cndf(-d1));
}
}
return(Math.Round(result, iPrecision));
}
public abstract double Price(FinancialProduct product);
/// <summary>
/// The method CheckInputData represents parts that check the input data, converts them to the suitable formats
/// and build the product to be priced later,
/// it contains the definition of the input part, the verification of these ones and the display of the output results
/// </summary>
/// <param name=product>The product to be build and returned</param>
/// <param name=iPrecision>The precision of Round of the final result, </param>
/// <param name=strErrorMsg>The error Message that will be returned in case of issue</param>
/// <returns>bool: the method was successfully finished or not</returns>
private bool CheckInputData(out FinancialProduct product, ref int iPrecision, ref string strErrorMsg)
{
string strStockPrice = StockPriceTextBox.Text.ToString();
string strStrikePrice = strikePriceTextBox.Text.ToString();
string strTimeToMaturity = timeToMatTextBox.Text.ToString();
string strStdDerivUnderlying = StdDerivUnderlyingTextBox.Text.ToString();
string strRiskFreeInterestRate = RiskFreeInterestRateTextBox.Text.ToString();
string strFloatPrecision = floatPrecisionTextBox.Text.ToString();
double dStockPrice = 0;
double dStrikePrice = 0;
double dTimeToMaturity = 0;
double dStdDerivUnderlying = 0;
double dRiskFreeInterestRate = 0;
bool bDataInput = true;
Constants.Culture culture = 0;
if (cultureComboBox.SelectedIndex > -1)
{
if (cultureComboBox.SelectedItem.ToString().Equals(Constants.CULTURE_GB))
{
culture = Constants.Culture.GB;
}
else if (cultureComboBox.SelectedItem.ToString().Equals(Constants.CULTURE_FR))
{
culture = Constants.Culture.FR;
}
else if (cultureComboBox.SelectedItem.ToString().Equals(Constants.CULTURE_ES))
{
culture = Constants.Culture.ES;
}
}
else
{
product = null;
strErrorMsg = "Please select a choice in the culture box";
Console.WriteLine("Please select a choice in the culture box ");
return(false);
}
if (bDataInput)
{
if (ConvertStringToDouble(strStockPrice, culture, out dStockPrice))
{
Console.WriteLine("StockPrice --> {0}", dStockPrice);
}
else
{
strErrorMsg = "Please insert a correct format for the field Stock price, the suitable format is float";
Console.WriteLine("Unable to parse StockPrice '{0}'.", strStockPrice);
product = null;
return(false);
}
}
if (bDataInput)
{
if (ConvertStringToDouble(strStrikePrice, culture, out dStrikePrice))
{
Console.WriteLine("StrikePrice --> {0}", dStrikePrice);
}
else
{
strErrorMsg = "Please insert a correct format for the field Strike price, the suitable format is float";
Console.WriteLine("Unable to parse StrikePrice '{0}'.", strStrikePrice);
product = null;
return(false);
}
}
if (bDataInput)
{
if (ConvertStringToDouble(strTimeToMaturity, culture, out dTimeToMaturity))
{
Console.WriteLine("TimeToMaturity --> {0}", dTimeToMaturity);
}
else if (EvaluateDoubleWithSplit(strTimeToMaturity, culture, out dTimeToMaturity))
{
Console.WriteLine("TimeToMaturity --> {0}", dTimeToMaturity);
}
else
{
strErrorMsg = "Please insert a correct format for the field Time to maturity in years, the suitable format is integer";
Console.WriteLine("Unable to parse TimeToMaturity '{0}'.", strTimeToMaturity);
product = null;
return(false);
}
}
if (bDataInput)
{
if (ConvertStringToDouble(strStdDerivUnderlying, culture, out dStdDerivUnderlying))
{
Console.WriteLine("StdDerivUnderlying --> {0}", dStdDerivUnderlying);
}
else
{
strErrorMsg = "Please insert a correct format for the field Standard deviation of underlying stock, the suitable format is float";
Console.WriteLine("Unable to parse StdDerivUnderlying '{0}'.", strStdDerivUnderlying);
product = null;
return(false);
}
}
if (bDataInput)
{
if (ConvertStringToDouble(strRiskFreeInterestRate, culture, out dRiskFreeInterestRate))
{
Console.WriteLine("RiskFreeInterestRate --> {0}", dRiskFreeInterestRate);
}
else
{
strErrorMsg = "Please insert a correct format for the field Risk-free interest rate, the suitable format is float";
Console.WriteLine("Unable to parse RiskFreeInterestRate '{0}'.", strRiskFreeInterestRate);
product = null;
return(false);
}
}
Constants.EuroOptionType euroOptionType = 0;
if (bDataInput)
{
if (optionTypeComboBox.SelectedIndex > -1)
{
if (optionTypeComboBox.SelectedItem.ToString().Equals(Constants.CALL))
{
euroOptionType = Constants.EuroOptionType.Call; // todo if
}
else if (optionTypeComboBox.SelectedItem.ToString().Equals(Constants.PUT))
{
euroOptionType = Constants.EuroOptionType.Put; // todo if
}
}
else
{
strErrorMsg = "Please select a choice in the Option type box";
Console.WriteLine("Please select a choice in the Option type box");
product = null;
return(false);
}
}
if (bDataInput)
{
if (int.TryParse(strFloatPrecision, out iPrecision))
{
Console.WriteLine("RiskFreeInterestRate --> {0}", iPrecision);
}
else
{
strErrorMsg = "Please insert a correct format for the field Risk-free interest rate, the suitable format is float";
Console.WriteLine("Unable to parse RiskFreeInterestRate '{0}'.", strFloatPrecision);
product = null;
return(false);
}
}
product = new EuropeanOption(dStockPrice, dStrikePrice, dTimeToMaturity, dStdDerivUnderlying, dRiskFreeInterestRate, euroOptionType);
return(bDataInput);
}
private FinancialAccountProduct CreateFinancialAccountProduct(FinancialAccount financialAccount, FinancialProduct financialProduct, DateTime today)
{
FinancialAccountProduct financialAccountProductNew1 = new FinancialAccountProduct();
financialAccountProductNew1.FinancialAccount = financialAccount;
financialAccountProductNew1.FinancialProduct = financialProduct;
financialAccountProductNew1.EffectiveDate = today;
return financialAccountProductNew1;
}
