protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// ================================!!!!!!!!!!!!!!!!!!!!!!!!!!!================================
// Hey guys. There is this bug where if you go from the start page to the Lifestyles page, then
// press submit we get a 500.
// This results because some attributes have not been set from previous pages. See this
// application assumes that
// The client went through the sequential order correctly you guys should fix that.
// Also you may have to just re-write this whole servlet, for we have no guarantee that our
// implementations of the algorithms for this project work.
// We were not given test data so we only followed instructions as best we could.
// ================================!!!!!!!!!!!!!!!!!!!!!!!!!!!================================
// Model Calculate:
// return results list <String nameType, int dollarValue>
// Set to attribute : allResults
// Get QuarterExtra default=0;
HttpSession session = request.getSession();
String degree = (String) session.getAttribute("school_program");
String region = (String) session.getAttribute("aspirations_region");
double salary = salaryManager.getSalaryByDegreeAndRegion(degree, region).getSalary();
int salaryPerMonth = (int) (salary / 12);
// ===== Savings
double savingsAmount = (Double) session.getAttribute("lifestyle_savings");
int savings = (int) savingsAmount;
// ===== Student loan
double studentLoanPercent = (Double) session.getAttribute("school_loanPercent");
int extraQuarters = (Integer) session.getAttribute("school_extraQuarters");
if (request.getParameter("additionalQuarter") != null) {
extraQuarters++;
session.setAttribute("school_extraQuarters", extraQuarters);
}
int quarters = (degreeManager.getQuarters(degree).getQuarters()) + extraQuarters;
double grants = (Double) session.getAttribute("school_grants");
double schoolInterest = (Double) session.getAttribute("school_interest");
double initialSchoolPay = (quarters * 7200) - grants - savings;
double studentLoanPayment =
(((initialSchoolPay) + (initialSchoolPay * (schoolInterest / 100))) / 120)
* (studentLoanPercent / 100);
double studentHousingPayment = getStudentHousingRent(session);
int totalLoanPayment = (int) (studentLoanPayment + studentHousingPayment);
// ===== Income tax
double taxPercent = salaryManager.getSalaryByDegreeAndRegion(degree, region).getTaxBracket();
double incomeTax = salary * taxPercent;
int incomeTaxPerMonth = (int) (incomeTax / 12);
// ===== Miscellaneous
double foodBudgetWeekly = (Double) session.getAttribute("weekly_food_budget");
double monthlyFoodExpense = (foodBudgetWeekly * 52) / 12;
double gameSpending = (Double) session.getAttribute("lifestyle_gameSpending");
double otherSpending = (Double) session.getAttribute("other_spending");
int miscellaneous =
(int) (foodBudgetWeekly + monthlyFoodExpense + gameSpending + otherSpending);
// ===== Car
String carCondition = (String) session.getAttribute("aspirations_carCondition");
String carQuality = (String) session.getAttribute("aspirations_carQuality");
int carCost;
if (carCondition.contains("No")) {
carCost = 0;
} else if (carQuality.contains("Above")) {
carCost = carManager.getCarByQuality(carCondition).getHigh();
} else if (carQuality.contains("Below")) {
carCost = carManager.getCarByQuality(carCondition).getLow();
} else { // Average
carCost = carManager.getCarByQuality(carCondition).getMiddle();
}
double carInterest = (Double) session.getAttribute("aspirations_interest");
int monthlyCarExpenses = (int) ((carCost / (12 * 5)) + (carCost * (carInterest / 100)));
// ===== Post-grad housing
int postGradHousingPayment = getPostGradHousing(session);
// ===== Other debt
double creditDebt = (Double) session.getAttribute("school_creditDebt");
double medicalDebt = (Double) session.getAttribute("school_medicalDebt");
double loanDebt = (Double) session.getAttribute("school_loanDebt");
int otherDebt = (int) (creditDebt + medicalDebt + loanDebt);
// ===== Discretionary income
int discretionaryIncome =
(int)
(salaryPerMonth
- totalLoanPayment
- incomeTaxPerMonth
- miscellaneous
- monthlyCarExpenses
- postGradHousingPayment);
request.setAttribute("salary", salaryPerMonth);
request.setAttribute("studentLoans", totalLoanPayment);
request.setAttribute("incomeTax", incomeTaxPerMonth);
request.setAttribute("miscellaneous", miscellaneous);
request.setAttribute("carExpenses", monthlyCarExpenses);
request.setAttribute("mortgageRent", postGradHousingPayment);
request.setAttribute("otherDebt", otherDebt);
request.setAttribute("savings", savings);
request.setAttribute("discretionaryIncome", discretionaryIncome);
request
.getRequestDispatcher(getServletContext().getInitParameter("result"))
.forward(request, response);
}
