feat(DevWeb): Create invitations to play game

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

@@ -33,7 +33,6 @@ public class LoginBean implements Serializable {
     try {
       DAO<User> userDao = factory.getDAOUser();
       User[] user = userDao.findByField("username", username);
-      System.out.println(user.length);
 
       for (User u : user) {
         if (u.getUsername().equals(username) && u.verifyPassword(password)) {

S2/DevWeb/Projet/src/main/java/uppa/project/web/websocket/ConnectedUsersWS.java

@@ -21,22 +21,51 @@ import uppa.project.json.websocket.Message;
 public class ConnectedUsersWS {
 
   public static final HashMap<Session, User> users = new HashMap<>();
+  public static final ArrayList<Session> anonymousUsers = new ArrayList<>();
+
   private static final Gson gson = new Gson();
 
+  private static void broadcast(String message) {
+    // Send the message to all anonymous users
+    for (Session session : anonymousUsers) {
+      try {
+        session.getBasicRemote().sendText(message);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+
+    // Send the message to all connected users
+    for (Session session : users.keySet()) {
+      try {
+        session.getBasicRemote().sendText(message);
+      } catch (IOException e) {
+        e.printStackTrace();
+      }
+    }
+  }
+
   @OnOpen
   public void onOpen(Session session, @PathParam("user_id") String userId) throws DAOException {
     Message message;
-    final DAO<User> userDAO = new Game_JPA_DAO_Factory().getDAOUser();
-
     int id = Integer.parseInt(userId);
-    User user = userDAO.findById(id);
 
-    // Send the new user to all connected users
-    message = new Message("addUser", gson.toJson(new SimpleUser(user)));
-    broadcast(message.toJson());
+    if (id == 0) {
+      anonymousUsers.add(session);
+    } else {
+      // Get the new user
+      final DAO<User> userDAO = new Game_JPA_DAO_Factory().getDAOUser();
+
+      User user = userDAO.findById(id);
+
+      // Send the new user to all connected users
+      message = new Message("addUser", gson.toJson(new SimpleUser(user)));
+      broadcast(message.toJson());
+
+      // Send all connected users to the new user
+      users.put(session, user);
+    }
 
-    // Send all connected users to the new user
-    users.put(session, user);
     ArrayList<SimpleUser> connectedUsers = new ArrayList<>();
     for (User u : users.values()) connectedUsers.add(new SimpleUser(u));
     message = new Message("init", gson.toJson(connectedUsers));
@@ -44,11 +73,16 @@ public class ConnectedUsersWS {
   }
 
   @OnClose
-  public void onClose(Session session) {
-    users.remove(session);
+  public void onClose(Session session, @PathParam("user_id") String userId) {
+    int id = Integer.parseInt(userId);
 
-    Message message = new Message("removeUser", gson.toJson(new SimpleUser(users.get(session))));
-    broadcast(message.toJson());
+    if (id == 0) {
+      anonymousUsers.remove(session);
+    } else {
+      Message message = new Message("removeUser", gson.toJson(new SimpleUser(users.get(session))));
+      users.remove(session);
+      broadcast(message.toJson());
+    }
   }
 
   @OnError
@@ -57,17 +91,38 @@ public class ConnectedUsersWS {
   }
 
   @OnMessage
-  public void onMessage(String message, Session session) {
-    // Do nothing
+  public void onMessage(String rawMessage, Session session) {
+    Message message = gson.fromJson(rawMessage, Message.class);
+
+    if (message.getType().equals("invite")) {
+      SimpleInvitation invitation = gson.fromJson(message.getData(), SimpleInvitation.class);
+
+      // Find session of the user who receive
+      for (Session s : users.keySet()) {
+        if (users.get(s).getId().intValue() == invitation.to.id) {
+          try {
+            s.getBasicRemote().sendText(message.toJson());
+          } catch (IOException e) {
+            e.printStackTrace();
+          }
+          break;
+        }
+      }
+    }
   }
 
-  private static void broadcast(String message) {
-    for (Session session : users.keySet()) {
-      try {
-        session.getBasicRemote().sendText(message);
-      } catch (IOException e) {
-        e.printStackTrace();
-      }
+  private static class SimpleInvitation {
+
+    public SimpleUser from;
+
+    public SimpleUser to;
+
+    public int game_id;
+
+    public SimpleInvitation(SimpleUser from, SimpleUser to, int game_id) {
+      this.from = from;
+      this.to = to;
+      this.game_id = game_id;
     }
   }
 

S2/DevWeb/Projet/src/main/java/uppa/project/web/websocket/GameWS.java

@@ -0,0 +1,41 @@
+package uppa.project.web.websocket;
+
+import jakarta.websocket.OnClose;
+import jakarta.websocket.OnError;
+import jakarta.websocket.OnMessage;
+import jakarta.websocket.OnOpen;
+import jakarta.websocket.Session;
+import jakarta.websocket.server.PathParam;
+import jakarta.websocket.server.ServerEndpoint;
+import java.util.ArrayList;
+import java.util.HashMap;
+import uppa.project.database.dao.DAOException;
+import uppa.project.database.pojo.Game;
+import uppa.project.database.pojo.User;
+
+@ServerEndpoint(value = "/ws/game/{game_id}/{user_id}")
+public class GameWS {
+
+  public static final HashMap<Session, User> users = new HashMap<>();
+  public static final HashMap<Game, ArrayList<User>> games = new HashMap<>();
+
+  @OnOpen
+  public void onOpen(Session session, @PathParam("game_id") String gameId, @PathParam("user_id") String userId) throws DAOException {
+
+  }
+
+  @OnClose
+  public void onClose(Session session, @PathParam("game_id") String gameId, @PathParam("user_id") String userId) {
+
+  }
+
+  @OnError
+  public void onError(Throwable throwable) {
+    throwable.printStackTrace();
+  }
+
+  @OnMessage
+  public void onMessage(String message, Session session) {
+    // Do nothing
+  }
+}

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

@@ -3,6 +3,7 @@
 <%@taglib prefix="component" tagdir="/WEB-INF/tags/components" %>
 
 <layout:base>
+
     <component:hero>
         <div class="columns">
             <div class="column">
@@ -35,7 +36,17 @@
                 <button class="delete" aria-label="close"></button>
             </header>
             <section class="modal-card-body">
-                TODO Liste des utilisateurs
+                <table class="table is-fullwidth">
+                    <thead>
+                    <tr>
+                        <th>Utilisateur</th>
+                        <th>Action</th>
+                    </tr>
+                    </thead>
+                    <tbody>
+
+                    </tbody>
+                </table>
             </section>
             <footer class="modal-card-foot">
                 <button class="button is-success">Fermer</button>
@@ -43,7 +54,10 @@
         </div>
     </div>
 
+    <jsp:useBean id="user" scope="session" type="uppa.project.database.pojo.User"/>
     <script defer type="module">
+        // Modal
+
         // Modal
         document.querySelectorAll('.modal-trigger').forEach(($el) => {
             $el.addEventListener('click', () => {
@@ -68,4 +82,76 @@
         });
     </script>
 
+    <script defer type="module">
+        import WebsocketToolkit from "${pageContext.request.contextPath}/static/js/WebsocketToolkit.js";
+
+        let users = [];
+
+        function updateUsers() {
+            const $tbody = document.querySelector('#user-list-modal tbody');
+            $tbody.innerHTML = '';
+            users.forEach(user => {
+                const $tr = document.createElement('tr');
+                const $tdUsername = document.createElement('td');
+                const $tdAction = document.createElement('td');
+                const $button = document.createElement('button');
+
+                $button.classList.add('button', 'is-success');
+                $button.textContent = 'Inviter';
+                $button.addEventListener('click', () => {
+                    const data = {
+                        from: {
+                            id: ${user.id},
+                            username: "${user.username}"
+                        },
+                        to: {...user},
+                        game_id: ${game.id}
+                    };
+                    const message = {
+                        type: "invite",
+                        data: JSON.stringify(data)
+                    };
+
+                    ws.ws.send(JSON.stringify(message));
+                })
+
+
+                    $tdUsername.textContent = user.username;
+                    $tdAction.appendChild($button);
+
+                    $tr.appendChild($tdUsername);
+                    $tr.appendChild($tdAction);
+
+                    $tbody.appendChild($tr);
+                });
+            }
+
+            // Websocket for users in the lobby
+            const url = new URL(window.location.href);
+            url.pathname = "${pageContext.request.contextPath}/ws/users/0";
+            url.protocol = "ws:"
+            url.searchParams.delete("id")
+
+            const ws = new WebsocketToolkit(url);
+            ws.onOpen(() => console.log("Connected to the server"));
+            ws.onMessage("init", (data) => {
+                users = data;
+                updateUsers();
+            });
+            ws.onMessage("addUser", (data) => {
+                users.push(data);
+                updateUsers();
+            });
+            ws.onMessage("removeUser", (data) => {
+                users = users.filter(user => user.id !== data.id);
+                updateUsers();
+            });
+            ws.onMessage("invite", (data) => {
+                const {from, to, game} = data;
+                console.log("User " + from.username + " invited " + to.username + " to play " + game.name);
+            })
+            ws.onError((error) => console.error(error));
+            ws.onClose(() => console.log("Disconnected from the server"));
+    </script>
+
 </layout:base>

S2/DevWeb/Projet/src/main/webapp/WEB-INF/tags/components/connected-user-list.tag

@@ -5,8 +5,6 @@
 
 <%@taglib prefix="component" tagdir="/WEB-INF/tags/components" %>
 
-<%@attribute name="anonymous"%>
-
 <table id="connected-user-list" class="table is-fullwidth">
     <thead>
     <tr>
@@ -58,6 +56,12 @@
         users = users.filter(user => user.id !== data.id);
         updateUsers();
     });
+    ws.onMessage("invite", (data) => {
+        const {from, to, game_id} = data;
+        if (confirm(from.username + " vous a invité à rejoindre sa partie")) {
+            window.location.href = "${pageContext.request.contextPath}/game?id=" + game_id;
+        }
+    })
     ws.onError((error) => console.error(error));
     ws.onClose(() => console.log("Disconnected from the server"));
 </script>