feat(DevWeb): Add New game page

S2/DevWeb/Projet/src/main/java/uppa/project/bean/NewGameBean.java

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+package uppa.project.bean;
+
+import jakarta.persistence.EntityManager;
+import java.io.Serializable;
+import uppa.project.database.dao.DAO;
+import uppa.project.database.dao.DAOException;
+import uppa.project.database.dao.EntityManagerProvider;
+import uppa.project.database.dao.jpa.Game_JPA_DAO_Factory;
+import uppa.project.database.pojo.Game;
+import uppa.project.json.HttpResponse;
+import uppa.project.json.HttpResponseCode;
+
+public class NewGameBean implements Serializable {
+
+  private static final long serialVersionUID = 1L;
+
+  private String difficulty;
+  private String nbRounds;
+  private String timer;
+  private String nbValues;
+  private String nbColors;
+
+  private Game game;
+
+  private HttpResponse error;
+
+  public NewGameBean() {
+  }
+
+  public boolean validate() {
+    EntityManager entityManager = EntityManagerProvider.getInstance();
+
+    try {
+      Game game = new Game(
+        Game.Difficulty.valueOf(difficulty),
+        Integer.parseInt(timer),
+        Integer.parseInt(nbRounds),
+        Integer.parseInt(nbColors),
+        Integer.parseInt(nbValues)
+      );
+
+      // Sauvegarder la game en base de données
+      DAO<Game> gameDAO = new Game_JPA_DAO_Factory().getDAOGame();
+
+      entityManager.getTransaction().begin();
+      this.game = gameDAO.create(game);
+      entityManager.getTransaction().commit();
+      return true;
+    } catch (NumberFormatException e) {
+      error = new HttpResponse(HttpResponseCode.BAD_REQUEST, "Les valeurs entrées ne sont pas valides");
+    } catch (DAOException e) {
+      entityManager.getTransaction().rollback();
+      error = new HttpResponse(HttpResponseCode.INTERNAL_SERVER_ERROR,  "Erreur lors de la création de la partie");
+    }
+    return false;
+  }
+
+  public NewGameBean setDifficulty(String difficulty) {
+    this.difficulty = difficulty;
+    return this;
+  }
+
+  public NewGameBean setNbRounds(String nbRounds) {
+    this.nbRounds = nbRounds;
+    return this;
+  }
+
+  public NewGameBean setTimer(String timer) {
+    this.timer = timer;
+    return this;
+  }
+
+  public NewGameBean setNbValues(String nbValues) {
+    this.nbValues = nbValues;
+    return this;
+  }
+
+  public NewGameBean setNbColors(String nbColors) {
+    this.nbColors = nbColors;
+    return this;
+  }
+
+  public Game getGame() {
+    return game;
+  }
+
+  public HttpResponse getError() {
+    return error;
+  }
+}

S2/DevWeb/Projet/src/main/java/uppa/project/web/servlet/NewGameServlet.java

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+/*
+ * MainMenuServlet.java, 20/03/2024
+ * UPPA M1 TI 2023-2024
+ * Pas de copyright, aucun droits
+ */
+
+package uppa.project.web.servlet;
+
+import com.google.gson.Gson;
+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.io.PrintWriter;
+import uppa.project.bean.NewGameBean;
+import uppa.project.database.pojo.Game;
+import uppa.project.json.HttpResponse;
+import uppa.project.json.HttpResponseCode;
+
+@WebServlet(name = "newGameServlet", value = "/new")
+public class NewGameServlet extends HttpServlet {
+
+  public void init() {
+  }
+
+  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    request.getRequestDispatcher("/WEB-INF/pages/new-game.jsp").forward(request, response);
+  }
+
+  public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
+    Gson gson = new Gson();
+
+    response.setContentType("application/json");
+    response.setCharacterEncoding("UTF-8");
+    PrintWriter out = response.getWriter();
+
+    NewGameBean newGameBean = new NewGameBean()
+      .setDifficulty(request.getParameter("difficulty"))
+      .setNbRounds(request.getParameter("nbRounds"))
+      .setTimer(request.getParameter("timer"))
+      .setNbValues(request.getParameter("nbValues"))
+      .setNbColors(request.getParameter("nbColors"))
+    ;
+
+    HttpResponse httpResponse;
+    if (newGameBean.validate()) {
+      Game game = newGameBean.getGame();
+      httpResponse = new HttpResponse(HttpResponseCode.OK, game.getId().toString());
+    } else {
+      httpResponse = newGameBean.getError();
+    }
+
+    out.println(gson.toJson(httpResponse));
+    out.flush();
+  }
+
+  public void destroy() {
+  }
+}

S2/DevWeb/Projet/src/main/webapp/WEB-INF/pages/new-game.jsp

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+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@taglib prefix="component" tagdir="/WEB-INF/tags/components" %>
+<%@taglib prefix="layout" tagdir="/WEB-INF/tags/layouts" %>
+<%@taglib prefix="form" tagdir="/WEB-INF/tags/forms" %>
+
+<layout:form>
+    <component:hero>
+        <div class="columns is-centered">
+            <div class="column is-5-tablet is-5-desktop is-5-widescreen">
+                <div class="box">
+                    <h1 class="title has-text-centered">Nouvelle partie</h1>
+                    <form:new-game>
+                        <jsp:attribute name="back_button">
+                            <div class="column">
+                                <a class="button is-fullwidth" href="${pageContext.request.contextPath}/lobby">Revenir au menu</a>
+                            </div>
+                        </jsp:attribute>
+                    </form:new-game>
+                </div>
+            </div>
+        </div>
+    </component:hero>
+</layout:form>