//public double CalculateMonthlyPayment(double loan, int lengthYears, int lengthMonths, double rate)
public double CalculateMonthlyPayment(MortgageDataIn dataIn)
{
double monthlyInterestRate = dataIn.AnnualRate / 1200.0;
int loanMonthsDuration = (dataIn.DurationYears * 12) + dataIn.DurationMonths;
var monthlyPayment = ((dataIn.LoanAmount - dataIn.DownPayment) * monthlyInterestRate) / (1 - Math.Pow(1 + monthlyInterestRate, -1.0 * loanMonthsDuration));
return(Math.Round(monthlyPayment + dataIn.ExtraMonthlyPayment, 2));
}
public ActionResult <MortgageDataOut> PrintResults(MortgageDataIn dataIn)
{
return(new MortgageDataOut
{
MonthlyPayment = CalculateMonthlyPayment(dataIn),
InputedData = dataIn
});
}
public async Task <IActionResult> CalculateMortgageAndAmortization(MortgageDataIn dataIn)
{
if (ModelState.IsValid)
{
MortgageAndAmortization result = new MortgageAndAmortization();
var httpContent = new StringContent(JsonConvert.SerializeObject(dataIn), Encoding.UTF8, "application/json");
using (var httpClient = new HttpClient())
{
using (var response = await httpClient.PostAsync("https://localhost:44322/printresults", httpContent))
{
string apiResponse = await response.Content.ReadAsStringAsync();
result.MortOut = JsonConvert.DeserializeObject <MortgageDataOut>(apiResponse);
}
var httpContent2 = new StringContent(JsonConvert.SerializeObject(result.MortOut), Encoding.UTF8, "application/json");
using (var response = await httpClient.PostAsync("https://localhost:44322/printamortization", httpContent2))
{
string apiResponse = await response.Content.ReadAsStringAsync();
result.AmortOut = JsonConvert.DeserializeObject <List <AmortizationDataOut> >(apiResponse);
}
}
var totalInterest = 0.0;
foreach (var item in result.AmortOut)
{
totalInterest += item.Interest;
}
result.TotalInterest = totalInterest;
if ((dataIn.DownPayment > 0) || (dataIn.ExtraMonthlyPayment > 0))
{
dataIn.DownPayment = 0.0;
dataIn.ExtraMonthlyPayment = 0.0;
MortgageAndAmortization resultWithoutSavings = new MortgageAndAmortization();
var httpContent3 = new StringContent(JsonConvert.SerializeObject(dataIn), Encoding.UTF8, "application/json");
using (var httpClient = new HttpClient())
{
using (var response = await httpClient.PostAsync("https://localhost:44322/printresults", httpContent3))
{
string apiResponse = await response.Content.ReadAsStringAsync();
resultWithoutSavings.MortOut = JsonConvert.DeserializeObject <MortgageDataOut>(apiResponse);
}
var httpContent4 = new StringContent(JsonConvert.SerializeObject(resultWithoutSavings.MortOut), Encoding.UTF8, "application/json");
using (var response = await httpClient.PostAsync("https://localhost:44322/printamortization", httpContent4))
{
string apiResponse = await response.Content.ReadAsStringAsync();
resultWithoutSavings.AmortOut = JsonConvert.DeserializeObject <List <AmortizationDataOut> >(apiResponse);
}
}
var totalInterestWithoutSavings = 0.0;
foreach (var item in resultWithoutSavings.AmortOut)
{
totalInterestWithoutSavings += item.Interest;
}
resultWithoutSavings.TotalInterest = totalInterestWithoutSavings;
result.TotalSavings = resultWithoutSavings.TotalInterest - result.TotalInterest;
result.EarlierMonthsDifference = resultWithoutSavings.AmortOut.Count() - result.AmortOut.Count();
}
return(View(result));
}
return(View("Index"));
}
