proyectoInventario/Inventario-war/src/java/mx/edu/tjs/servicios/ProveedorEndpointt.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template
 */
package mx.edu.tjs.servicios;

import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
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 mx.edu.tjs.chapala.sistemas.bl.ProveedorBLLocal;
import mx.edu.tjs.chapala.sistemas.modelo.Proveedor;

/**
 *
 * @author nickdalyrendon
 */
@WebServlet(name = "ProveedorEndpointt", urlPatterns = {"/ProveedorEndpointt"})
public class ProveedorEndpointt extends HttpServlet {

    @EJB
    private ProveedorBLLocal proveedorBL;
    Proveedor m;

    /**
     * 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");
        try (PrintWriter out = response.getWriter()) {

            String opcion = request.getParameter("opcion");
            // Verificar el token
            String token = request.getParameter("t");
            if (!"tokenNickdaly160601".equals(token)) {
                out.print("Acceso Denegado");

                return;
            }

            switch (opcion) {
                case "1":
                    m = proveedorBL.buscarIdInt(Integer.parseInt(request.getParameter("id")));
                    if (m.getStatus() == 0) {
                        out.print("No existe el proveedor");
                    } else {
                        out.print("<div style='font-family: Arial, sans-serif;  padding: 20px;'>");
                        out.print("<h1 style='color: blue;'>Proveedor encontrado</h1>");
                        out.print("<h2 style='color: green;'>Nombre: " + m.getNombre() + "</h2>");
                        out.print("</div>");
                    }

                    break;

                case "2":
                    m = proveedorBL.buscarIdInt(Integer.parseInt(request.getParameter("id")));
                    if (m.getStatus() == 0) {
                        out.print("No existe ese elemento");
                    } else {
                        proveedorBL.eliminarP(m);
                        out.print("Se elimino el proveedor");
                    }
                    break;
                    
                case "3":
                    Proveedor nuevo = new Proveedor();
                    nuevo.setStatus((short) 1);
                    nuevo.setNombre(request.getParameter("nombre"));
                    proveedorBL.agregarP(nuevo);
                    out.print("Se agrego el proveedor");
                    break;
                    
                    
                case "4":

                    try {
                        int id = Integer.parseInt(request.getParameter("id"));
                        Proveedor proveedorExistente = proveedorBL.buscarIdInt(id);

                        if (proveedorExistente == null || proveedorExistente.getStatus() == 0) {
                            out.print("No existe el proveedor");
                        } else {
                            String nuevoNombre = request.getParameter("nombre");

                            // Actualizar los campos necesarios
                            if (nuevoNombre != null && !nuevoNombre.isEmpty()) {
                                proveedorExistente.setNombre(nuevoNombre);
                            }

                            proveedorBL.editar(proveedorExistente);
                            out.print("Editado con éxito");
                        }
                    } catch (NumberFormatException e) {
                        out.print("ID de proveedor no válido");
                    } catch (Exception e) {
                        out.print("Ocurrió un error al editar el proveedor");
                    }
                    break;

                default:
                    out.print("<h1> No existe esa opcion </h1>");
                    break;

            }

        }
    }

    // <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>
}