petit refacto de userDAO

WEB-INF/src/controleurs/Authent.java

@@ -4,18 +4,42 @@ package controleurs;
 import dao.BDConnection;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 
-import java.net.http.HttpRequest;
-import java.net.http.HttpResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
 import java.sql.Connection;
 import java.sql.PreparedStatement;
+import java.sql.ResultSet;
 import java.sql.SQLException;
 
 @WebServlet("/Authentification")
 public class Authent extends HttpServlet {
     private Connection con = new BDConnection().getConnection();
 
-    public void services(HttpResponse res, HttpRequest req) throws SQLException {
-        PreparedStatement stmt = con.prepareStatement("");
+    @Override
+    public void service(HttpServletRequest req, HttpServletResponse res){
+        try {
+            PrintWriter out = res.getWriter();
+
+            String log = req.getParameter("login");
+            String pwd = req.getParameter("pwd");
+
+            PreparedStatement stmt = con.prepareStatement("SELECT username,password FROM userAccount WHERE username=? AND password=?"); //à changer pour utiliser le DAO
+            stmt.setString(1, log);
+            stmt.setString(2, pwd);
+
+            ResultSet rs = stmt.executeQuery();
+
+            if (rs.next()) {
+                out.println("<h1>Bienvenue " + log + " !</h1>");
+            } else {
+                out.println("<h1>Login ou mot de passe incorrect</h1>");
+            }
+
+        }catch (SQLException | IOException except){
+            except.getStackTrace();
+        }
     }
 }

WEB-INF/src/dao/UserDAO.java

@@ -2,6 +2,8 @@ package dao;
 
 import java.sql.*;
 import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
 
 import dto.Message;
 import dto.User;
@@ -14,8 +16,9 @@ public class UserDAO extends HttpServlet{
         this.con = new BDConnection().getConnection();
     }
 
-    public String getAllUsers(){
+    public List<User> getAllUsers(){
         StringBuilder txt = new StringBuilder();
+        ArrayList<User> users = new ArrayList<>();
         try{
             Statement stmt = this.con.createStatement();
             ResultSet rs = stmt.executeQuery("SELECT * FROM userAccount;");
@@ -25,17 +28,20 @@ public class UserDAO extends HttpServlet{
                 String username = rs.getString(2);
                 String pwd = rs.getString(3);
 
-                txt.append("Id : ").append(userId).append(" Username : ").append(username).append(" Password : ").append(pwd).append('\n');
+                User nUser = new User(userId, username, pwd);
+                users.add(nUser);
             }
         } catch (SQLException sqle) {
             sqle.getStackTrace();
         }
 
-        return txt.toString();
+        return users;
     }
 
-    public String getUserById(int id){
+    public User getUserById(int id){
         StringBuilder txt = new StringBuilder();
+        User user = new User(0,null,null);
+
         try{
             PreparedStatement stmt = this.con.prepareStatement("SELECT * FROM userAccount WHERE id=?");
             stmt.setInt(1, id);
@@ -46,21 +52,20 @@ public class UserDAO extends HttpServlet{
                 String username = rs.getString(2);
                 String pwd = rs.getString(3);
 
-                txt.append("Id : ").append(userId).append(" Username : ").append(username).append(" Password : ").append(pwd).append('\n');
+                user = new User(userId,username,pwd);
             }
         } catch (SQLException sqle) {
             sqle.getStackTrace();
         }
 
-        return txt.toString();
+        return user;
     }
 
     public void addUser(User nUser){
         try{
-            PreparedStatement stmt = this.con.prepareStatement("INSERT INTO userAccount VALUES (?,?,?)");
-            stmt.setInt(1, nUser.getId());
-            stmt.setString(2, nUser.getUserName());
-            stmt.setString(3, nUser.getPwd());
+            PreparedStatement stmt = this.con.prepareStatement("INSERT INTO userAccount (username, password) VALUES (?,?)");
+            stmt.setString(1, nUser.getUserName());
+            stmt.setString(2, nUser.getPwd());
 
             stmt.executeUpdate();
 
@@ -72,7 +77,7 @@ public class UserDAO extends HttpServlet{
     public void removeUser(User nUser){
         try{
             PreparedStatement stmt = this.con.prepareStatement("DELETE FROM userAccount WHERE userID=?");
-            stmt.setInt(1, nUser.getId());
+            stmt.setInt(1, nUser.getID());
 
             stmt.executeUpdate();
 

s4a021-web-backend.iml

 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
+  <component name="NewModuleRootManager">
+    <output url="file://$MODULE_DIR$/WEB-INF/classes" />
+    <output-test url="file://$MODULE_DIR$/out/test/s4a021-web-backend/classes" />
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/WEB-INF/src" isTestSource="false" />