br.cefetmg.radar.services.UpdateUser.java Source code

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Here is the source code for br.cefetmg.radar.services.UpdateUser.java

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/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package br.cefetmg.radar.services;

import br.cefetmg.radar.dao.UserDAO;
import br.cefetmg.radar.entity.User;
import br.cefetmg.radar.entity.UserToUpdate;
import br.cefetmg.radar.message.Result;
import br.cefetmg.radar.util.cryptography.MD5;
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author rafae_000
 */
@WebServlet(name = "UpdateUser", urlPatterns = { "/updateuser" })
public class UpdateUser extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");

        Gson gson = new Gson();

        UserDAO userDAO = new UserDAO();

        StringBuilder sb = new StringBuilder();
        BufferedReader br = request.getReader();
        String str;
        while ((str = br.readLine()) != null) {
            sb.append(str);
        }

        UserToUpdate userToUpdate = gson.fromJson(sb.toString(), UserToUpdate.class);

        User newUser = new User();
        newUser.setBirth(userToUpdate.getBirth());
        newUser.setColor(userToUpdate.getColor());
        newUser.setEmail(userToUpdate.getEmail());
        newUser.setGender(userToUpdate.getGender());
        newUser.setHeight(userToUpdate.getHeight());
        newUser.setId(userToUpdate.getId());
        newUser.setUsername(userToUpdate.getUsername());
        newUser.setPassword(userToUpdate.getNewpassword());

        try (PrintWriter out = response.getWriter()) {
            try {

                Date currentDate = new Date();

                long diff = Math.round(
                        (currentDate.getTime() - newUser.getBirth().getTime()) / (1000l * 60 * 60 * 24 * 365));

                User userGotByUsername = userDAO.getByUsername(newUser.getUsername());
                User userGotByEmail = userDAO.getByEmail(newUser.getEmail());
                User userGotById = userDAO.getById(newUser.getId());

                if (userGotById != null) {
                    if (userGotById.getPassword().equals(MD5.crypt(userToUpdate.getOldpassword()))) {
                        if (userGotByUsername == null || userGotById.getUsername().equals(newUser.getUsername())) {
                            if (userGotByEmail == null || userGotById.getEmail().equals(newUser.getEmail())) {
                                if (diff > 13) {
                                    newUser.setActive(true);
                                    newUser.setTries(userGotById.getTries());
                                    userDAO.openEntityManager();
                                    userDAO.updateUser(newUser); //atualiza no banco de dados
                                    out.println(gson.toJson(new Result(Result.OK)));
                                } else {
                                    out.println(gson.toJson(new Result(Result.TOO_YOUNG)));
                                    response.setStatus(489);
                                }
                            } else {
                                out.println(gson.toJson(new Result(Result.EMAIL_EXISTS)));
                                response.setStatus(490);
                            }
                        } else {
                            out.println(gson.toJson(new Result(Result.USERNAME_EXISTS)));
                            response.setStatus(491);
                        }
                    } else {
                        out.println(gson.toJson(new Result(Result.WRONG_PASSWORD)));
                        response.setStatus(493);
                    }
                } else {
                    out.println(gson.toJson(new Result(Result.USER_DOESNT_EXISTS)));
                    response.setStatus(494);
                }

            } catch (Exception ex) {
                StringBuilder error = new StringBuilder();

                for (StackTraceElement element : ex.getStackTrace()) {
                    error.append(element.toString());
                    error.append("\n");
                }
                out.println(gson.toJson(new Result(Result.ERRO, error.toString())));
                response.setStatus(500);
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}