private string Sum_Values(bool squareValues)
{
double value = 0;
bool isDouble = false;
foreach (string data in _currentStatValues)
{
if (CalcHelpers.isDouble(data))
{
isDouble = true;
}
if (squareValues)
{
value += Math.Pow(double.Parse(data), 2);
}
else
{
value += double.Parse(data);
}
}
if (isDouble)
{
return(value.ToString());
}
else
{
return(((int)value).ToString());
}
}
public void Function_Button_Click(object sender, RoutedEventArgs e)
{
_funcVisible = !_funcVisible;
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public void Stat_Add_Button_Click(object sender, RoutedEventArgs e)
{
string text = _mainPage.GetMainText();
// get the text block
TextBlock tb = new TextBlock();
tb.Text = text;
tb.FontSize = 60;
tb.Foreground = Utilities.Helpers.GetBrush(Utilities.Helpers.Colors.DarkGray);
tb.FontFamily = new Windows.UI.Xaml.Media.FontFamily("Segoe UI Light");
tb.FontWeight = Windows.UI.Text.FontWeights.Light;
Viewbox vb = new Viewbox();
vb.Height = TemplateStatButtonHeight.ActualHeight;
vb.Child = tb;
vb.Margin = new Thickness(0, 0, 20, 0);
AddToGrid(vb, text);
_mainPage.Stat_Add_Button_Click(_currentStatValues.Count.ToString());
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public void Function_Button_Click(object sender, RoutedEventArgs e)
{
// standard buttons
SinButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
CosButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
TanButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
NatLogButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
SinhButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
CoshButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
TanhButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
EXButton.Visibility = !_funcVisible ? Visibility.Collapsed : Visibility.Visible;
// function buttons
SinButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
CosButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
TanButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
NatLogButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
SinhButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
CoshButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
TanhButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
EXButtonF.Visibility = _funcVisible ? Visibility.Collapsed : Visibility.Visible;
_funcVisible = !_funcVisible;
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
private void Average_Button_Click(object sender, RoutedEventArgs e)
{
try { _mainPage.SetMainText(Average_Values().ToString()); }
catch { _mainPage.initCalcError(); }
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
private void Summation_Squared_Button_Click(object sender, RoutedEventArgs e)
{
try { _mainPage.SetMainText(Sum_Values(true)); }
catch { _mainPage.initCalcError(); }
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
private void Population_Standard_Deviation_Button_Click(object sender, RoutedEventArgs e)
{
try { _mainPage.SetMainText(Math.Sqrt(Variance(true)).ToString()); }
catch { _mainPage.initCalcError(); }
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public void SimpleSubtraction()
{
Mouse.Click(CalcWindow.CalculatorButton("2"));
Mouse.Click(CalcWindow.CalculatorButton(Subtract));
Mouse.Click(CalcWindow.CalculatorButton("1"));
Mouse.Click(CalcWindow.CalculatorButton(EqualButton));
Assert.IsTrue(CalcHelpers.VerifyResults("1"), "Calculator showed incorrect result");
Assert.IsFalse(CalcHelpers.VerifyResults("0"), "Result never changed from default 0");
}
public void DecimalCheck()
{
Mouse.Click(CalcWindow.CalculatorButton("1"));
Mouse.Click(CalcWindow.CalculatorButton(Decimal));
Mouse.Click(CalcWindow.CalculatorButton("2"));
Mouse.Click(CalcWindow.CalculatorButton("5"));
Mouse.Click(CalcWindow.CalculatorButton(Add));
Mouse.Click(CalcWindow.CalculatorButton("1"));
Mouse.Click(CalcWindow.CalculatorButton(Decimal));
Mouse.Click(CalcWindow.CalculatorButton("5"));
Mouse.Click(CalcWindow.CalculatorButton(EqualButton));
Assert.IsTrue(CalcHelpers.VerifyResults("2.75"), "Calculator showed incorrect result");
Assert.IsFalse(CalcHelpers.VerifyResults("0"), "Result never changed from default 0");
}
private void Average_Squared_Button_Click(object sender, RoutedEventArgs e)
{
try
{
double sum = Sum_Values();
double avg = sum / _currentStatValues.Count;
avg = Math.Pow(avg, 2);
_mainPage.SetMainText(avg.ToString());
}
catch { _mainPage.initCalcError(); }
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public void Stat_Add_Button_Click(object sender, RoutedEventArgs e)
{
string text = _mainPage.GetMainText();
// get the text block
TextBlock tb = new TextBlock();
tb.Text = text;
tb.FontSize = 60;
Viewbox vb = new Viewbox();
vb.Height = TemplateStatButtonHeight.ActualHeight;
vb.Child = tb;
AddToGrid(vb, text);
_mainPage.Stat_Add_Button_Click(_currentStatValues.Count.ToString());
// reset the equals key focus when we change view
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public static int Max(List <int> numbers)
{
return(CalcHelpers.FindMax(numbers));
}
public static int Sum(List <int> numbers)
{
return(CalcHelpers.FindSum(numbers));
}
public static decimal Avg(List <int> numbers)
{
return(CalcHelpers.FindAverage(numbers));
}
public static int Duplicate(List <int> numbers)
{
return(CalcHelpers.FindDuplicate(numbers));
}
public static bool Contains(List <int> numbers, int number)
{
return(CalcHelpers.Conatains(numbers, number));
}
public static int Abs(int number)
{
return(CalcHelpers.FindAbsolute(number));
}
public static decimal FahToCel(decimal number)
{
return(CalcHelpers.FahToCel(number));
}
public static decimal CelToFah(decimal number)
{
return(CalcHelpers.CellToFah(number));
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
CalcHelpers.equalsKeyFocus(_mainPage.currentView.GetEqualsKey());
}
public NewLoanResponseModel Calculate(NewLoanRequestModel requestModel, String cookieValue)
{
RequestHistoryResponseModel requestHistory = null;
if (cookieValue != null)
{
UserRequestModel user = _jWTService.decodeJWTAsync(cookieValue).Result;
requestHistory = new RequestHistoryResponseModel();
requestHistory.Request_Time = DateTime.Now;
requestHistory.Calculator_Type = "credit";
requestHistory.User = user;
}
var validated = _newLoanValidator.Validate(requestModel);
if (!validated.IsValid)
{
_logger.Error($"New Loan BadRequest! {validated}");
return(new NewLoanResponseModel
{
Status = HttpStatusCode.BadRequest,
ErrorMessage = validated.ToString()
});
}
try
{
var plan = requestModel.InstallmentType == Installments.AnnuityInstallment
? CalcHelpers.GetAnuityPlan(requestModel).ToList()
: CalcHelpers.GetDecreasingPlan(requestModel).ToList();
var totalFeesCost = plan.Sum(x => x.Fees);
var totalMonthlyInstallmentsCost = plan.Sum(x => x.MonthlyInstallment);
var totalInterestCost = plan.Sum(x => x.InterestInstallment);
NewLoanResponseModel newLoanResponse = new NewLoanResponseModel
{
Status = HttpStatusCode.OK,
//AnnualPercentCost = CalcHelpers.CalculateAPR(totalFeesCost, totalInterestCost, requestModel.LoanAmount, requestModel.Period),
AnnualPercentCost = 0,
TotalCost = totalMonthlyInstallmentsCost + totalFeesCost,
FeesCost = totalFeesCost,
InterestsCost = totalInterestCost,
InstallmentsCost = totalMonthlyInstallmentsCost,
RepaymentPlan = plan
};
if (requestHistory != null)
{
requestHistory.Calculation_Result = "Input:" + requestModel.ToString().Trim() + "Result: " + newLoanResponse.ToString().Trim();
requestHistory.User_Agent = requestModel.UserAgent;
_requestHistoryDataService.insertRequest(requestHistory);
}
return(newLoanResponse);
}
catch (Exception ex)
{
_logger.Error($"An error occured while trying to calculate new loan.\nInput: {requestModel}\nMessage: {ex.Message}");
return(new NewLoanResponseModel
{
Status = HttpStatusCode.InternalServerError,
ErrorMessage = "Something went wrong. Please contact our support team."
});
}
}
public LeasingLoanResponseModel Calculate(LeasingLoanRequestModel requestModel, string cookieValue)
{
RequestHistoryResponseModel requestHistory = null;
if (cookieValue != null)
{
UserRequestModel user = _jWTService.decodeJWTAsync(cookieValue).Result;
requestHistory = new RequestHistoryResponseModel();
requestHistory.Request_Time = DateTime.Now;
requestHistory.Calculator_Type = "leasing";
requestHistory.User = user;
}
var validated = _leasingLoanValidator.Validate(requestModel);
if (!validated.IsValid)
{
_logger.Error($"Leasing Loan BadRequest! {validated}");
return(new LeasingLoanResponseModel
{
Status = HttpStatusCode.BadRequest,
ErrorMessage = validated.ToString()
});
}
//TO DO: AnnualPercentCost how to calculate ?
try
{
var totalFees = CalcHelpers.GetFeeCost(requestModel.StartingFee, requestModel.ProductPrice);
var totalCost = totalFees + requestModel.StartingInstallment + requestModel.Period * requestModel.MonthlyInstallment;
if (totalCost < requestModel.ProductPrice)
{
return(new LeasingLoanResponseModel
{
Status = HttpStatusCode.BadRequest,
ErrorMessage = "You cannot have a leasing loan with these parameters."
});
}
LeasingLoanResponseModel leasingLoanResponse = new LeasingLoanResponseModel
{
Status = HttpStatusCode.OK,
//AnnualPercentCost
TotalCost = totalCost,
TotalFees = totalFees
};
if (requestHistory != null)
{
requestHistory.Calculation_Result = "Input: " + requestModel.ToString().Trim() + " Result: " + leasingLoanResponse.ToString().Trim();
requestHistory.User_Agent = requestModel.UserAgent;
_requestHistoryDataService.insertRequest(requestHistory);
}
return(leasingLoanResponse);
}
catch (Exception ex)
{
_logger.Error($"An error occured while trying to calculate leasing loan.\nInput: {requestModel}\nMessage: {ex.Message}");
return(new LeasingLoanResponseModel
{
Status = HttpStatusCode.InternalServerError,
ErrorMessage = "Something went wrong. Please contact our support team."
});
}
}
public RefinancingLoanResponseModel Calculate(RefinancingLoanRequestModel requestModel, String cookieValue)
{
RequestHistoryResponseModel requestHistory = null;
if (cookieValue != null)
{
UserRequestModel user = _jWTService.decodeJWTAsync(cookieValue).Result;
requestHistory = new RequestHistoryResponseModel();
requestHistory.Request_Time = DateTime.Now;
requestHistory.Calculator_Type = "refinance";
requestHistory.User = user;
}
var validated = _refinancingLoanValidator.Validate(requestModel);
if (!validated.IsValid)
{
_logger.Error($"Refinancing Loan BadRequest! {validated}");
return(new RefinancingLoanResponseModel
{
Status = HttpStatusCode.BadRequest,
ErrorMessage = validated.ToString()
});
}
try
{
var plan = CalcHelpers.GetAnuityPlan(new NewLoanRequestModel
{
LoanAmount = requestModel.LoanAmount,
Period = requestModel.Period,
Interest = requestModel.Interest,
InstallmentType = Installments.AnnuityInstallment
}).ToList();
var periodLeft = requestModel.Period - requestModel.CountOfPaidInstallments;
var monthlyInstallmentCurrentLoan = plan.First(x => x.Id == 1).MonthlyInstallment;
var moneyLeftToBePaid = requestModel.LoanAmount - plan.Where(x => x.Id <= requestModel.CountOfPaidInstallments).Sum(x => x.PrincipalInstallment);
var earlyInstallmentsFeeInCurrency = CalcHelpers.GetFeeCost(requestModel.EarlyInstallmentsFee, moneyLeftToBePaid);
var newPlan = CalcHelpers.GetAnuityPlan(new NewLoanRequestModel
{
LoanAmount = Math.Floor(moneyLeftToBePaid),
Period = periodLeft,
Interest = requestModel.NewInterest,
InstallmentType = Installments.AnnuityInstallment,
Fees = new List <FeeModel>
{
new FeeModel
{
Type = FeeType.StartingApplicationFee,
Value = requestModel.StartingFeesCurrency,
ValueType = FeeValueType.Currency
},
new FeeModel
{
Type = FeeType.OtherStartingFees,
Value = requestModel.StartingFeesPercent,
ValueType = FeeValueType.Percent
}
}
}).ToList();
var monthlyInstallmentNewLoan = newPlan.First(x => x.Id == 1).MonthlyInstallment;
var totalCostNewLoan = periodLeft * monthlyInstallmentNewLoan + earlyInstallmentsFeeInCurrency
+ requestModel.StartingFeesCurrency + requestModel.StartingFeesPercent
+ CalcHelpers.GetFeeCost(requestModel.StartingFeesPercent, moneyLeftToBePaid);
RefinancingLoanResponseModel refinancingLoanResponse = new RefinancingLoanResponseModel
{
Status = HttpStatusCode.OK,
CurrentLoan = new RefinancingLoanHelperModel
{
Interest = requestModel.Interest,
Period = requestModel.Period,
EarlyInstallmentsFee = earlyInstallmentsFeeInCurrency,
MonthlyInstallment = monthlyInstallmentCurrentLoan,
Total = periodLeft * monthlyInstallmentCurrentLoan
},
NewLoan = new RefinancingLoanHelperModel
{
Interest = requestModel.NewInterest,
Period = periodLeft,
MonthlyInstallment = monthlyInstallmentNewLoan,
Total = totalCostNewLoan
}
};
if (requestHistory != null)
{
requestHistory.Calculation_Result = "Input: " + requestModel.ToString().Trim() + "Result: " + refinancingLoanResponse.ToString().Trim();
requestHistory.User_Agent = requestModel.UserAgent;
_requestHistoryDataService.insertRequest(requestHistory);
}
return(refinancingLoanResponse);
}
catch (Exception ex)
{
_logger.Error($"An error occured while trying to calculate new loan.\nInput: {requestModel}\nMessage: {ex.Message}");
return(new RefinancingLoanResponseModel
{
Status = HttpStatusCode.InternalServerError,
ErrorMessage = "Something went wrong. Please contact our support team."
});
}
}
