static void HomePayment() // method containing if statment that will determin via user input whether or not they will be renting , buying or not paying rent etc.
{
Console.WriteLine("Please type 1 if renting a home or 2 if you are paying off a home loan. ");
Console.WriteLine("If neither press 3 else press anything else to exit");
var answer = Console.ReadLine();
if (answer.Equals("1")) // if statement for determining living status costs
{
Console.WriteLine("Please enter how much is spent on rent per month: ");
Rent amount = new Rent();
amount.PrintLine();
amount.Amount();
}
else if (answer.Equals("2"))
{
var amount = new HomeLoan();
amount.Amount();
}
else if (answer.Equals("3")) // if user chooses 3 the program continues with R0 paid for living expenses
{
Expense.Expenses.Add(0); // Rent free in your head- Cranberries zombie
}
else
{
Environment.Exit(0);
}
}
public bool validate(HomeLoan home)
{
if (BusinessLogicUtil.validate(home.CustomerID) == false)
{
throw new InvalidStringException("Invalid Customer ID");
}
if (home.AmountApplied >= 2000001)
{
throw new InvalidAmountException("Maximum loan amount is Rs.20 lakh");
}
if (home.RepaymentPeriod >= 16)
{
throw new InvalidRangeException("Repayment period can be maximum of 15 years");
}
if (home.SalaryDeductions >= home.GrossIncome)
{
throw new InvalidAmountException("Salary deduction can't be greater than or equal to Gross salary");
}
if (home.ServiceYears < 5)
{
throw new InvalidRangeException("Service experience must be minimum of 5 years");
}
return(true);
}
public bool ApplyLoanDAL(HomeLoan home)
{
//List<HomeLoan> loanList = new List<HomeLoan>();
var loanList = DeserializeFromJSON("HomeLoans.txt");
loanList.Add(home);
return(SerializeIntoJSON(loanList, "HomeLoans.txt"));
}
public void OutstandingDebtInTerm0ShouldBeTheSameAsAmmountToBorrow(double outstandingDebt)
{
var loanCalc = new SeriesLoanCalculator();
var loan = new HomeLoan(loanCalc);
var a = loan.CalculatePaymentPlan(outstandingDebt, 10);
Assert.IsTrue(a.First(x => x.Term == 0).OutstandingDebt == outstandingDebt);
}
public void TheUserShouldNeverPayMoreThanTheyOwe()
{
var loanCalc = new SeriesLoanCalculator();
var loan = new HomeLoan(loanCalc);
var a = loan.CalculatePaymentPlan(1000000, 30);
Assert.IsTrue(!a.Any(x => x.OutstandingDebt < 0));
}
public void IsValid_WhenLoanIsValid_ReturnsNoBrokenBusinessRule()
{
// Arrange
var loan = new HomeLoan(1000, 1, 2.5m, CurrencyType.Euro);
// Act
var response = loan.IsValidLoan();
var brokenRules = loan.GetBrokenBusinessRulesOnThisLoan();
// Assert
Assert.IsTrue(response, "Expected loan state to be valid.");
Assert.AreEqual(0, brokenRules.Count, "Expected no business rule to be violated.");
}
public void GetRepaymentsFor_WhenPrincipalIs100kAndTermIs30YearsAndInterestIs6Percent_MonthlyRepaymentsAre599_55()
{
// Arrange
const decimal expectedMonthlyPayment = 599.55m;
var loan = new HomeLoan(100000, 30, 6, CurrencyType.Euro);
// Act
var actualMonthlyPayment = Decimal.Round(loan.GetRepaymentAmount(), 2);
// Assert
Assert.AreEqual(expectedMonthlyPayment, actualMonthlyPayment);
}
public void TotalAmmountInInterests()
{
var loanCalc = new SeriesLoanCalculator();
var loan = new HomeLoan(loanCalc);
var a = loan.CalculatePaymentPlan(1000000, 20);
double interests = 0.0;
foreach (var payment in a)
{
interests += payment.Interest;
}
Assert.IsTrue(Math.Round(interests, 0) == 351458);
}
public void GetRepaymentsFor_WhenPrincipalIs1000AndTermIs30YearsAndInterestIsZeroPercent_MonthlyRepaymentsAre_100()
{
// Arrange
const decimal expectedMonthlyPayment = 100m;
var loan = new HomeLoan(2400, 2, 0, CurrencyType.Euro);
// Act
var actualMonthlyPayment = loan.GetRepaymentAmount();
// Assert
Assert.AreEqual(expectedMonthlyPayment, actualMonthlyPayment);
}
public void IsValid_WhenTermIsLessThan1Year_ReturnsBrokenBusinessRule()
{
// Arrange
var loan = new HomeLoan(1000, 0, 2.5m, CurrencyType.Euro);
// Act
var response = loan.IsValidLoan();
var brokenRules = loan.GetBrokenBusinessRulesOnThisLoan();
// Assert
Assert.IsFalse(response, "Expected loan state to be invalid.");
Assert.AreEqual(1, brokenRules.Count, "Expected a single business rule to be violated.");
Assert.AreEqual(ValidationMessages.InvalidHomeLoanTerm, brokenRules[0].Description);
}
public void OnPost()
{
if (ModelState.IsValid)
{
try
{
HomeLoan homeLoan = new HomeLoan(_seriesLoanCalculator);
Payments = homeLoan.CalculatePaymentPlan(Amount, NumberOfYears);
}
catch (Exception e)
{
//writing error to log, otherwise ignoring them, the end user gets a message through model validation
_logger.LogWarning("Something went wrong", e);
}
}
}
public bool ApplyLoanBL(HomeLoan home)
{
//HomeLoan home = (HomeLoan)(Object)obj;
if (validate(home) == true)
{
home.LoanID = "HOME" + BusinessLogicUtil.SystemDateToString();
home.InterestRate = 8.50;
home.EMI_Amount = BusinessLogicUtil.ComputeEMI(home.AmountApplied, home.RepaymentPeriod, home.InterestRate);
home.DateOfApplication = DateTime.Now;
home.Status = (LoanStatus)0; // APPLIED
HomeLoanDAL homeDAL = new HomeLoanDAL();
return(homeDAL.ApplyLoanDAL(home));
}
return(false);
}
public HomeLoan ApproveLoanDAL(string loanID, LoanStatus updatedStatus)
{
List <HomeLoan> homeLoans = DeserializeFromJSON("HomeLoans.txt");
HomeLoan objToReturn = new HomeLoan();
foreach (HomeLoan Loan in homeLoans)
{
if (Loan.LoanID == loanID)
{
Loan.Status = updatedStatus;
objToReturn = Loan;
break;
}
}
SerializeIntoJSON(homeLoans, "HomeLoans.txt");
return(objToReturn);
}
public void HomeLoanConstructor_WhenInitializedByConstructor_PropertiesAreSetCorrectly()
{
// Arrange
decimal loanAmount = 1000;
decimal loanInterestRate = 3.5m;
int loanTerm = 5;
CurrencyType loanCurrency = CurrencyType.UsDollars;
// Act
var loan = new HomeLoan(loanAmount, loanTerm, loanInterestRate, loanCurrency);
// Assert
Assert.AreEqual(loanAmount, loan.Principal, "Loan amount not set correctly by constructor");
Assert.AreEqual(loanTerm, loan.Term, "Loan term not set correctly by constructor");
Assert.AreEqual(loanInterestRate, loan.InterestRatePercentage, "Loan interest rate not set correctly by constructor");
Assert.AreEqual(loanCurrency, loan.Currency, "Loan currency type not set correctly by constructor");
}
public static Loan CreateLoanInstance(LoanType type, double interestRate)
{
Loan loanObject = default(Loan);
switch (type)
{
case LoanType.Business:
loanObject = new BusinessLoan(interestRate);
break;
case LoanType.Education:
loanObject = new EducationLoan(interestRate);
break;
case LoanType.Home:
loanObject = new HomeLoan(interestRate);
break;
}
return(loanObject);
}
public HomeLoanResponse NewHomeLoan(HomeLoanServiceRequest request)
{
var response = new HomeLoanResponse();
var newLoan = new HomeLoan(request.Amount, request.Term, request.InterestRate, request.Currency);
if (newLoan.IsValidLoan())
{
response.Loan = newLoan;
response.PaymentPlan = newLoan.GetRepaymentSchedule(request.FirstRepaymentDate).ToList();
response.TotalRepaymentAmount = (Decimal.Round(newLoan.GetRepaymentAmount(), 2) * request.Term * 12);
response.Status = ServiceStatus.Success;
}
else
{
response.Status = ServiceStatus.Failure;
response.BrokenBusinessRules = newLoan.GetBrokenBusinessRulesOnThisLoan();
}
return(response);
}
public ILoan Create(LoanType loanType)
{
ILoan loan = null;
switch (loanType)
{
case LoanType.HomeLoan:
loan = new HomeLoan();
break;
case LoanType.CarLoan:
loan = new CarLoan();
break;
case LoanType.PersonalLoan:
loan = new PersonalLoan();
break;
default:
break;
}
return(loan);
}
private static void TemplatePattern()
{
AutoLoan autoLoan = new AutoLoan();
HomeLoan homeLoan = new HomeLoan();
PersonalLoan personalLoan = new PersonalLoan();
autoLoan.ProcessLoan();
homeLoan.ProcessLoan();
personalLoan.ProcessLoan();
//Template.CarTemplate audi = new Template.Audi();
//Template.CarTemplate bmw = new Template.BMW();
//Template.CarTemplate benz = new Template.Benz();
//audi.BuildCare();
//bmw.BuildCare();
//benz.BuildCare();
//HouseTemplate woodenHouse = new WoodenHouse();
//woodenHouse.BuildHouse();
//HouseTemplate glassHouse = new GlassHouse();
//glassHouse.BuildHouse();
}
