RegistrationServlet.java

package com.popx.presentazione;

import com.popx.modello.UserBean;
import com.popx.servizio.AuthenticationService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/register")
public class RegistrationServlet extends HttpServlet {

    private final AuthenticationService authService = new AuthenticationService();

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");

        String username = request.getParameter("username");
        String email = request.getParameter("email");
        String password = request.getParameter("password");

        try {
            // Controlla se l'email esiste già
            if (authService.isEmailRegistered(email)) {
                response.getWriter().write("{\"status\":\"error\",\"message\":\"Email già registrata.\"}");
                return;
            }

            // Crea un nuovo oggetto UserBean
            UserBean user = new UserBean();
            user.setUsername(username);
            user.setEmail(email);
            user.setPassword(password);
            user.setRole("User"); // Ruolo predefinito

            // Registra l'utente
            boolean isRegistered = authService.registerUser(user);

            if (isRegistered) {
                response.getWriter().write("{\"status\":\"success\",\"message\":\"Registrazione avvenuta con successo.\",\"redirect\":\"" + request.getContextPath() + "/jsp/HomePage.jsp\"}");
            } else {
                response.getWriter().write("{\"status\":\"error\",\"message\":\"Errore sconosciuto durante la registrazione.\"}");
            }
        } catch (Exception e) {
            response.getWriter().write("{\"status\":\"error\",\"message\":\"" + e.getMessage() + "\"}");
        }
    }
}