TransactionServlet.java

package Servlet;

import model.Payment;
import model.PaymentDAO;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/event/Payment/transactions")
public class TransactionServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String username = (String) request.getSession().getAttribute("loggedInUser");
        if (username == null) {
            request.setAttribute("errorMessage", "Please sign in to view transactions.");
            request.getRequestDispatcher("/event/SignIN/signin.jsp").forward(request, response);
            return;
        }

        try {
            PaymentDAO dao = new PaymentDAO(getServletContext());
            List<Payment> payments = dao.getPaymentsByUsername(username);
            System.out.println("Transactions: " + payments.size());
            request.setAttribute("payments", payments);
            request.getRequestDispatcher("/event/Payment/transactions.jsp").forward(request, response);
        } catch (Exception e) {
            request.setAttribute("errorMessage", "Error: " + e.getMessage());
            request.getRequestDispatcher("/event/Payment/transactions.jsp").forward(request, response);
        }
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }
}