SignalR chat connection OK

src/PostIt/PostIt.Android/Properties/AndroidManifest.xml

@@ -4,6 +4,7 @@
 		<application
       android:label="PostIt"
       android:icon="@drawable/Icon"
-      android:networkSecurityConfig="@xml/network_security_config">
+			android:networkSecurityConfig="@xml/network_security_config"
+			android:hardwareAccelerated="true">
 	</application>
 </manifest>

src/PostIt/PostIt.Tests/EstimateEditionPageViewModelTests.cs

@@ -1,4 +1,5 @@
 using System.Net.Http;
+using PostIt.Models;
 using PostIt.ViewModels;
 using Yavsc;
 using Yavsc.Api.Client;

src/PostIt/PostIt.Tests/StatusBarTests.cs

@@ -2,6 +2,7 @@ using Avalonia.Controls;
 using Avalonia.Headless.XUnit;
 using Avalonia.VisualTree;
 using PostIt.Controls;
+using PostIt.Models;
 using PostIt.ViewModels;
 
 namespace PostIt.Tests;
@@ -21,7 +22,9 @@ public class StatusBarTests
     [AvaloniaFact]
     public void Status_message_is_rendered_by_a_SelectableTextBlock()
     {
-        var bar = new StatusBar { DataContext = StatusNotice.Error("Échec de la suppression : boom") };
+        var bar = new StatusBar {
+            DataContext =
+            StatusNotice.Error("Échec de la suppression : boom") };
         var window = new Window { Content = bar };
         window.Show();
 
@@ -32,4 +35,4 @@ public class StatusBarTests
         Assert.NotNull(message);
         Assert.Equal("Échec de la suppression : boom", message!.Text);
     }
-}
+}

src/PostIt/PostIt/Controls/StatusBar.axaml

@@ -10,16 +10,18 @@
             Padding="8">
         <StackPanel Orientation="Horizontal" Spacing="8">
             <TextBlock Text="{Binding Glyph}"
-                       FontWeight="Bold"
-                       Foreground="{Binding Foreground}"
-                       VerticalAlignment="Top"/>
-            <!-- SelectableTextBlock so the user can select + copy the
-                 status message (TextBlock is not selectable in
-                 Avalonia). Keeps Text/TextWrapping/Foreground. -->
+              FontWeight="Bold"
+              Foreground="{Binding Foreground}"
+              VerticalAlignment="Top"/>
             <SelectableTextBlock Text="{Binding Message}"
-                       Foreground="{Binding Foreground}"
-                       TextWrapping="Wrap"
-                       VerticalAlignment="Center"/>
+              Foreground="{Binding Foreground}"
+              TextWrapping="Wrap"
+              VerticalAlignment="Center"/>
+            <Button Content="{Binding CheckCommandLabel}"
+                    VerticalAlignment="Center"
+                    IsVisible="{Binding HasCheckCommand}"
+                    Command="{Binding CheckCommand}"
+                    />
         </StackPanel>
     </Border>
 </UserControl>

src/PostIt/PostIt/Models/ChatMessageDto.cs

@@ -0,0 +1,14 @@
+namespace PostIt.ViewModels.Chat
+{
+    /// <summary>
+    /// DTO minimal calqué sur l'objet anonyme émis par le hub
+    /// (<c>{ Name, Room, Message }</c>) via l'événement
+    /// <c>ReceiveMessage</c>.
+    /// </summary>
+    public class ChatMessageDto
+    {
+        public string? Name { get; set; }
+        public string? Room { get; set; }
+        public string? Message { get; set; }
+    }
+}

src/PostIt/PostIt/Models/ChatRoomInfo.cs

@@ -0,0 +1,11 @@
+using System.Collections.Generic;
+
+namespace PostIt.ViewModels.Chat
+{
+    // DTO minimal calqué sur votre logique serveur ChatRoomInfo
+    public class ChatRoomInfo
+    {
+        public string? Name { get; set; }
+        public List<string> Users { get; set; } = new();
+    }
+}

src/PostIt/PostIt/Models/IWithLabel.cs

@@ -0,0 +1,6 @@
+namespace PostIt.ViewModels;
+
+internal interface IWithLabel
+{
+    string Label { get; }
+}

src/PostIt/PostIt/Models/StatusNotice.cs

@@ -1,35 +0,0 @@
-namespace PostIt.ViewModels;
-
-public enum StatusSeverity
-{
-    Info,
-    Warning,
-    Error
-}
-
-public sealed class StatusNotice
-{
-    public string Message { get; }
-    public StatusSeverity Severity { get; }
-    public string Glyph { get; }
-    public string Background { get; }
-    public string BorderBrush { get; }
-    public string Foreground { get; }
-
-    public StatusNotice(string message, StatusSeverity severity)
-    {
-        Message = string.IsNullOrWhiteSpace(message) ? "Pret." : message;
-        Severity = severity;
-
-        (Glyph, Background, BorderBrush, Foreground) = severity switch
-        {
-            StatusSeverity.Error => ("!", "#7F1D1D", "#C62828", "#e1f0f6"),
-            StatusSeverity.Warning => ("~", "#7C4A03", "#E6A700", "#eaeaea"),
-            _ => ("i", "#E8F0FE", "#5B8DEF", "#1E3A8A"),
-        };
-    }
-
-    public static StatusNotice Info(string message) => new(message, StatusSeverity.Info);
-    public static StatusNotice Warning(string message) => new(message, StatusSeverity.Warning);
-    public static StatusNotice Error(string message) => new(message, StatusSeverity.Error);
-}

src/PostIt/PostIt/Models/StatusSeverity.cs

@@ -0,0 +1,8 @@
+namespace PostIt.Models;
+
+public enum StatusSeverity
+{
+    Info,
+    Warning,
+    Error
+}

src/PostIt/PostIt/ViewModels/ACL/CirclesPageViewModel.cs

@@ -5,7 +5,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using Microsoft.Extensions.DependencyInjection;
-using PostIt.Helpers;
+using PostIt.Models;
 using PostIt.Services;
 using Yavsc.Api.Client;
 using Yavsc.Api.Client.Dtos;

src/PostIt/PostIt/ViewModels/ACL/PostAclDialogViewModel.cs

@@ -12,6 +12,7 @@ using Yavsc.Api.Client.Dtos;
 using Yavsc.Abstract.BlogSpot;
 using Yavsc.Abstract.Identity.Security;
 using System.Net.Http;
+using PostIt.Models;
 
 namespace PostIt.ViewModels;
 

src/PostIt/PostIt/ViewModels/Activity/ActivitiesPageViewModel.cs

@@ -8,6 +8,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using PostIt.Helpers;
+using PostIt.Models;
 using Yavsc.Abstract.Workflow;
 using Yavsc.Api.Client;
 

src/PostIt/PostIt/ViewModels/Activity/BillingQueriesPageViewModel.cs

@@ -12,6 +12,7 @@ using PostIt.Helpers;
 using Yavsc;
 using Yavsc.Api.Client;
 using Yavsc.Abstract.Workflow;
+using PostIt.Models;
 
 namespace PostIt.ViewModels;
 

src/PostIt/PostIt/ViewModels/Activity/BillingQueryDetailsPageViewModel.cs

@@ -388,4 +388,4 @@ public partial class BillingQueryDetailsPageViewModel : ViewModelBase, IActionSt
             QueryStatus.Success => "V",
             _ => "i",
         };
-}
+}

src/PostIt/PostIt/ViewModels/Activity/CommandFormsPageViewModel.cs

@@ -6,6 +6,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using PostIt.Helpers;
+using PostIt.Models;
 using Yavsc.Abstract.Workflow;
 using Yavsc.Api.Client;
 

src/PostIt/PostIt/ViewModels/Activity/EstimateEditionPageViewModel.cs

@@ -10,6 +10,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using PostIt.Helpers;
+using PostIt.Models;
 using Yavsc.Api.Client;
 
 namespace PostIt.ViewModels;

src/PostIt/PostIt/ViewModels/Activity/EstimateListPageViewModel.cs

@@ -9,6 +9,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using PostIt.Helpers;
+using PostIt.Models;
 using Yavsc.Api.Client;
 
 namespace PostIt.ViewModels;

src/PostIt/PostIt/ViewModels/Activity/ProviderOngoingRequestsPageViewModel.cs

@@ -13,6 +13,7 @@ using PostIt.Helpers;
 using Yavsc;
 using Yavsc.Abstract.Workflow;
 using Yavsc.Api.Client;
+using PostIt.Models;
 
 namespace PostIt.ViewModels;
 

src/PostIt/PostIt/ViewModels/Blogs/BlogsViewModel.cs

@@ -12,6 +12,7 @@ using Yavsc.Api.Client;
 using Yavsc.Abstract.Files;
 using PostIt.Helpers;
 using AvaloniaEdit.Document;
+using PostIt.Models;
 
 namespace PostIt.ViewModels;
 

src/PostIt/PostIt/ViewModels/Chat/ChatViewModel.cs

@@ -4,18 +4,37 @@ using System.Threading.Tasks;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using Microsoft.AspNetCore.SignalR.Client;
+using Microsoft.Extensions.DependencyInjection;
+using PostIt.Models;
+using PostIt.Services;
+using Yavsc;
 
 namespace PostIt.ViewModels.Chat
 {
+    /// <summary>
+    /// ViewModel pour la gestion du chat,
+    /// incluant la connexion au Hub SignalR,
+    /// la gestion des salons et des utilisateurs connectés.
+    /// </summary>
 
     public partial class ChatViewModel : ViewModelBase
     {
+        private readonly Settings _settings;
+        private readonly YavscApiClient? _api;
+
+        // Le paramètre optionnel permet l'instanciation design-time
+        // (Design.DataContext dans ChatPage.axaml) sans conteneur DI.
+        public ChatViewModel(YavscApiClient? api = null)
+        {
+            var app = App.Current as App;
+            _settings = app!.ServiceProvider!.GetRequiredService<Settings>(); // Assurez-vous que _settings est initialisé avant utilisation.
+            _api = api;
+            Status = new StatusNotice("Déconnecté", StatusSeverity.Info,
+            new RelayCheckCommand("Connecter", async () => await ConnectAsync()));
+        }
+
         private HubConnection? _connection;
 
-        [ObservableProperty]
-        public partial string ServerUrl { get; protected set; } = "https://yavsc.pschneider.fr/chathub";
-
-
         [ObservableProperty]
         public partial string CurrentRoom { get; set; } =  "General";
 
@@ -24,7 +43,6 @@ namespace PostIt.ViewModels.Chat
 
         [ObservableProperty]
         public partial StatusNotice Status { get; set; }
-                = new StatusNotice("Déconnecté", StatusSeverity.Info);
 
         [ObservableProperty]
         public partial bool IsConnected { get; set; } = false;
@@ -40,20 +58,61 @@ namespace PostIt.ViewModels.Chat
         [RelayCommand]
         public async Task JoinRoomCommand() => await JoinRoomAsync();
 
-        [RelayCommand]
-        public async Task ChangeNickCommand() => await ChangeNickAsync();
-
         public override bool CanNavigateNext { get; protected set; } = false;
         public override bool CanNavigatePrevious { get; protected set; } = true;
 
+        private async Task DisconnectAsync()
+        {
+            if (_connection != null)
+            {
+                await _connection.StopAsync();
+                await _connection.DisposeAsync();
+                _connection = null;
+            }
+            IsConnected = false;
+            Status = new StatusNotice("Déconnecté", StatusSeverity.Info,
+             new RelayCheckCommand("Connecter", async () => await ConnectAsync()));
+        }
+
         private async Task ConnectAsync()
         {
             try
             {
-                Status = new StatusNotice("Connexion en cours...", StatusSeverity.Info);
+                Status = new StatusNotice("Connexion en cours...", StatusSeverity.Info,
+                 new RelayCheckCommand("Vérifier la connexion", async () => await CheckConnectionAsync()));
+
+                if (_api == null || !_api.HasValidSession)
+                {
+                    Status = new StatusNotice("Session expirée : reconnectez-vous avant d'ouvrir le chat.", StatusSeverity.Error,
+                    new RelayCheckCommand("Reconnecter", async () => await ConnectAsync()));
+                    return;
+                }
+
+                // Le hub est mappé à la racine du service ("/chathub"),
+                // pas sous le préfixe versionné "/api/v1" : on le retire.
+                var hubBase = _settings.ApiUrl.TrimEnd('/');
+                if (hubBase.EndsWith("/api/v1", StringComparison.OrdinalIgnoreCase))
+                    hubBase = hubBase[..^"/api/v1".Length];
+                var hubUrl = hubBase + "/" + Constants.ChatHubPath;
 
                 _connection = new HubConnectionBuilder()
-                    .WithUrl(ServerUrl)
+                    .WithUrl(hubUrl,
+
+                    options =>
+                    {
+                        // Le hub est [Authorize] : on attache le Bearer OIDC.
+                        // AccessTokenProvider est rappelé à chaque reconnexion,
+                        // donc on tente un refresh silencieux à chaque appel.
+                        // Un refresh mort (invalid_grant) ne doit pas faire
+                        // échouer StartAsync avec une exception interne : on
+                        // renvoie le token courant (éventuellement expiré) et
+                        // le serveur répondra un 401 propre, surfacé à l'UI.
+                        options.AccessTokenProvider = async () =>
+                        {
+                            await _api.TrySilentLoginAsync();
+                            return _api.CurrentAccessToken;
+                        };
+                    })
                     .WithAutomaticReconnect()
                     .Build();
 
@@ -88,15 +147,20 @@ namespace PostIt.ViewModels.Chat
 
                 await _connection.StartAsync();
                 IsConnected = true;
-                Status = new StatusNotice("Connecté au Hub SignalR", StatusSeverity.Info);
+                Status = new StatusNotice("Connecté au Hub SignalR", StatusSeverity.Info, new RelayCheckCommand("Déconnecter", async () => await DisconnectAsync()));
             }
             catch (Exception ex)
             {
-                Status = new StatusNotice($"Erreur : {ex.Message}", StatusSeverity.Error);
+                Status = new StatusNotice($"Erreur : {ex.Message}", StatusSeverity.Error, new RelayCheckCommand("Reconnecter", async () => await ConnectAsync()));
                 IsConnected = false;
             }
         }
 
+        private async Task CheckConnectionAsync()
+        {
+            throw new NotImplementedException();
+        }
+
         private async Task JoinRoomAsync()
         {
             if (_connection == null || string.IsNullOrWhiteSpace(CurrentRoom)) return;
@@ -115,21 +179,5 @@ namespace PostIt.ViewModels.Chat
                 Messages.Add($"Erreur Join: {ex.Message}");
             }
         }
-
-        private async Task ChangeNickAsync()
-        {
-            if (_connection == null || string.IsNullOrWhiteSpace(NickName)) return;
-
-            try
-            {
-                // Appel de la méthode publique 'Nick' du Hub (void)
-                await _connection.InvokeAsync("Nick", NickName);
-                Messages.Add($"Demande de changement de pseudo vers '{NickName}' envoyée.");
-            }
-            catch (Exception ex)
-            {
-                Messages.Add($"Erreur Nick: {ex.Message}");
-            }
-        }
     }
 }

src/PostIt/PostIt/ViewModels/Chat/RelayCheckCommand.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace PostIt.ViewModels.Chat
+{
+    internal class RelayCheckCommand : ICommand, IWithLabel
+    {
+        public string Label { get; }
+        private Func<Task> value;
+
+        public RelayCheckCommand(string v, Func<Task> value)
+        {
+            this.Label = v;
+            this.value = value;
+        }
+
+        public event EventHandler? CanExecuteChanged;
+
+        public bool CanExecute(object? parameter)
+        {
+            return value != null;
+        }
+
+        public void Execute(object? parameter)
+        {
+            if (value != null)
+            {
+                _ = value();
+            }
+        }
+    }
+}

src/PostIt/PostIt/ViewModels/Commands/BillingCommandPageViewModel.cs

@@ -2,6 +2,7 @@ using System;
 using System.Threading.Tasks;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using PostIt.Models;
 using Yavsc;
 using Yavsc.Abstract.Workflow;
 using Yavsc.Api.Client;

src/PostIt/PostIt/ViewModels/Commands/BrushViewModel.cs

@@ -6,6 +6,7 @@ using System.Net;
 using System.Net.Http;
 using System.Threading.Tasks;
 using CommunityToolkit.Mvvm.ComponentModel;
+using PostIt.Models;
 using Yavsc.Abstract.Workflow;
 using Yavsc.Api.Client;
 using Yavsc.Models.Billing;

src/PostIt/PostIt/ViewModels/Layout/ActionStatusViewModelExtensions.cs

@@ -1,3 +1,5 @@
+using PostIt.Models;
+
 namespace PostIt.ViewModels;
 
 public interface IActionStatusViewModel
@@ -29,4 +31,4 @@ public static class ActionStatusViewModelExtensions
             _ => StatusNotice.Info(normalizedMessage),
         };
     }
-}
+}

src/PostIt/PostIt/ViewModels/MyFiles/MyFilesViewModel.cs

@@ -7,6 +7,7 @@ using Avalonia;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
 using PostIt.Helpers;
+using PostIt.Models;
 using Yavsc.Api.Client;
 
 namespace PostIt.ViewModels;
@@ -226,4 +227,4 @@ public partial class MyFilesViewModel : ViewModelBase, IActionStatusViewModel
         var idx = current.LastIndexOf('/');
         return idx < 0 ? string.Empty : current[..idx];
     }
-}
+}

src/PostIt/PostIt/ViewModels/Settings/Settings.cs

@@ -9,6 +9,7 @@ using System.Net.Http;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using System.Globalization;
+using PostIt.Models;
 
 [assembly: InternalsVisibleTo("PostIt.Tests")]
 

src/PostIt/PostIt/ViewModels/StatusNotice.cs

@@ -0,0 +1,43 @@
+using System.Windows.Input;
+using PostIt.Models;
+
+namespace PostIt.ViewModels;
+
+public sealed class StatusNotice
+{
+    public string Message { get; }
+    public StatusSeverity Severity { get; }
+    public string Glyph { get; }
+    public string Background { get; }
+    public string BorderBrush { get; }
+    public string Foreground { get; }
+
+    public bool HasCheckCommand { get; }
+
+    public ICommand? CheckCommand { get; }
+
+    public string CheckCommandLabel { get; }
+
+    public StatusNotice(string message, StatusSeverity severity, ICommand? checkCommand)
+    {
+        Message = string.IsNullOrWhiteSpace(message) ? "Pret." : message;
+        Severity = severity;
+
+        (Glyph, Background, BorderBrush, Foreground) = severity switch
+        {
+            StatusSeverity.Error => ("!", "#7F1D1D", "#C62828", "#e1f0f6"),
+            StatusSeverity.Warning => ("~", "#7C4A03", "#E6A700", "#eaeaea"),
+            _ => ("i", "#E8F0FE", "#5B8DEF", "#1E3A8A"),
+        };
+        HasCheckCommand = checkCommand != null;
+        CheckCommand = checkCommand;
+        CheckCommandLabel = HasCheckCommand ? "Check" :
+            checkCommand == null ?
+                string.Empty :
+                checkCommand is IWithLabel labeled ? labeled.Label : string.Empty;
+    }
+
+    public static StatusNotice Info(string message, ICommand? checkCommand = null) => new(message, StatusSeverity.Info, checkCommand);
+    public static StatusNotice Warning(string message, ICommand? checkCommand = null) => new(message, StatusSeverity.Warning, checkCommand);
+    public static StatusNotice Error(string message, ICommand? checkCommand = null) => new(message, StatusSeverity.Error, checkCommand);
+}

src/PostIt/PostIt/Views/Chat/ChatPage.axaml

@@ -1,4 +1,5 @@
 <ContentPage
+  x:Class="PostIt.Views.Chat.ChatPage"
   xmlns="https://github.com/avaloniaui"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:AvaloniaEdit="clr-namespace:AvaloniaEdit;assembly=AvaloniaEdit"
@@ -9,38 +10,71 @@
   xmlns:postitControls="using:PostIt.Controls"
   xmlns:views="using:PostIt.Views.Chat"
   xmlns:vm="using:PostIt.ViewModels.Chat"
-  x:Class="PostIt.Views.Chat.ChatPage"
-  x:DataType="vm:ChatViewModel" >
+  x:DataType="vm:ChatViewModel"
+  >
+  <Design.DataContext>
+    <vm:ChatViewModel />
+  </Design.DataContext>
 
-    <Grid RowDefinitions="Auto, *, Auto" Margin="10">
+  <Grid Margin="10" RowDefinitions="Auto, *, Auto">
 
-        <Grid Grid.Row="1" ColumnDefinitions="*, 200" Margin="0,0,0,10">
+    <Grid
+      Grid.Row="1"
+      Margin="0,0,0,10"
+      ColumnDefinitions="*, 200">
 
-            <!-- Journal des flux de messages & notifications -->
-            <Grid Grid.Column="0" RowDefinitions="Auto, *">
-                <StackPanel Grid.Row="0" Orientation="Horizontal" Spacing="10" Margin="0,0,0,5">
-                    <TextBox Text="{Binding CurrentRoom}" Watermark="Nom du salon" Width="200" VerticalAlignment="Center"/>
-                    <Button Content="Rejoindre Salon (Join)" Command="{Binding JoinRoomCommand}"/>
-                </StackPanel>
+      <!--  Journal des flux de messages & notifications  -->
+      <Grid Grid.Column="0" RowDefinitions="Auto, *">
+        <StackPanel
+          Grid.Row="0"
+          Margin="0,0,0,5"
+          Orientation="Horizontal"
+          Spacing="10">
+          <TextBox
+            Width="200"
+            VerticalAlignment="Center"
+            Text="{Binding CurrentRoom}"
+            PlaceholderText="Nom du salon" />
+          <Button Command="{Binding JoinRoomCommand}" Content="Rejoindre Salon (Join)" />
+        </StackPanel>
 
-                <ListBox Grid.Row="1" ItemsSource="{Binding Messages}"  BorderBrush="#E0E0E0" BorderThickness="1">
-                    <ListBox.ItemTemplate>
-                        <DataTemplate>
-                            <TextBlock Text="{Binding}" TextWrapping="Wrap"/>
-                        </DataTemplate>
-                    </ListBox.ItemTemplate>
-                </ListBox>
-            </Grid>
+        <ListBox
+          Grid.Row="1"
+          BorderBrush="#E0E0E0"
+          BorderThickness="1"
+          ItemsSource="{Binding Messages}">
+          <ListBox.ItemTemplate>
+            <DataTemplate>
+              <TextBlock Text="{Binding}" TextWrapping="Wrap" />
+            </DataTemplate>
+          </ListBox.ItemTemplate>
+        </ListBox>
+      </Grid>
 
-            <!-- Liste des utilisateurs présents (MàJ via l'événement 'joint') -->
-            <Border Grid.Column="1" Margin="10,0,0,0" BorderBrush="#E0E0E0" BorderThickness="1" >
-                <Grid RowDefinitions="Auto, *">
-                    <TextBlock Grid.Row="0" Text="Membres Présents" FontWeight="Bold" Margin="5" HorizontalAlignment="Center"/>
-                    <ListBox Grid.Row="1" ItemsSource="{Binding ConnectedUsers}" BorderThickness="0"/>
-                </Grid>
-            </Border>
+      <!--  Liste des utilisateurs présents (MàJ via l'événement 'joint')  -->
+      <Border
+        Grid.Column="1"
+        Margin="10,0,0,0"
+        BorderBrush="#E0E0E0"
+        BorderThickness="1">
+        <Grid RowDefinitions="Auto, *">
+          <TextBlock
+            Grid.Row="0"
+            Margin="5"
+            HorizontalAlignment="Center"
+            FontWeight="Bold"
+            Text="Membres Présents" />
+          <ListBox
+            Grid.Row="1"
+            BorderThickness="0"
+            ItemsSource="{Binding ConnectedUsers}" />
         </Grid>
-        <postitControls:StatusBar Grid.Row="4" DataContext="{Binding Status}" x:Name="StatusBar" />
-
+      </Border>
     </Grid>
+    <postitControls:StatusBar
+      x:Name="StatusBar"
+      Grid.Row="4"
+      DataContext="{Binding Status}" />
+
+  </Grid>
 </ContentPage>

src/PostIt/PostIt/Views/Chat/ChatPage.axaml.cs

@@ -7,4 +7,5 @@ public partial class ChatPage : ContentPage
     {
         InitializeComponent();
     }
+
 }

src/PostIt/PostIt/Views/Layout/MainView.axaml

@@ -16,6 +16,7 @@
   <DockPanel LastChildFill="True">
     <views:SessionStatusBanner
       x:Name="SessionBanner"
+      DataContext="{Binding SessionStatus}"
       DockPanel.Dock="Bottom"/>
     <NavigationPage x:Name="NavRoot"/>
   </DockPanel>

src/PostIt/PostIt/Views/Layout/SettingsPage.axaml.cs

@@ -8,6 +8,7 @@ using System.Threading.Tasks;
 using Avalonia.Controls;
 using Avalonia.Platform.Storage;
 using Microsoft.Extensions.DependencyInjection;
+using PostIt.Models;
 using PostIt.Services;
 using PostIt.ViewModels;