Update README.md

README.md

@@ -37,8 +37,4 @@ Application pour administrer, auditer et exporter des donnees depuis des sites S
 
 ## Architecture
 
-<<<<<<< HEAD
 MVVM (CommunityToolkit) · DI via Microsoft.Extensions.Hosting · Authentification MSAL avec cache persistant et broker WAM · Microsoft Graph SDK · PnP.Framework (CSOM) · Localisation .resx (EN/FR) · Branding configurable dans les exports HTML.
-=======
-MVVM (CommunityToolkit) · DI via Microsoft.Extensions.Hosting · Authentification MSAL avec cache persistant et broker WAM · Microsoft Graph SDK · PnP.Framework (CSOM) · Localisation .resx (EN/FR) · Branding configurable dans les exports HTML.
->>>>>>> bbfb9097ce51d03430cb030531418f8b944e9a76

SharepointToolbox/App.xaml.cs

@@ -34,6 +34,19 @@ public partial class App : Application
             .Build();
 
         host.Start();
+
+        // Apply persisted language before any UI is created so bindings resolve to the saved culture.
+        try
+        {
+            var settings = host.Services.GetRequiredService<SettingsService>().GetSettingsAsync().GetAwaiter().GetResult();
+            if (!string.IsNullOrWhiteSpace(settings.Lang))
+                Localization.TranslationSource.Instance.CurrentCulture = new System.Globalization.CultureInfo(settings.Lang);
+        }
+        catch (Exception ex)
+        {
+            Log.Warning(ex, "Failed to apply persisted language at startup");
+        }
+
         App app = new();
         app.InitializeComponent();
 

SharepointToolbox/Localization/Strings.fr.resx

@@ -124,6 +124,9 @@
   <data name="profile.clientid" xml:space="preserve">
     <value>ID client</value>
   </data>
+  <data name="profile.clientid.hint" xml:space="preserve">
+    <value>Optionnel — laissez vide pour enregistrer l'application automatiquement</value>
+  </data>
   <data name="profile.add" xml:space="preserve">
     <value>Ajouter</value>
   </data>

SharepointToolbox/Localization/Strings.resx

@@ -124,6 +124,9 @@
   <data name="profile.clientid" xml:space="preserve">
     <value>Client ID</value>
   </data>
+  <data name="profile.clientid.hint" xml:space="preserve">
+    <value>Optional — leave blank to register the app automatically</value>
+  </data>
   <data name="profile.add" xml:space="preserve">
     <value>Add</value>
   </data>

SharepointToolbox/Services/ProfileService.cs

@@ -24,8 +24,9 @@ public class ProfileService
             !Uri.TryCreate(profile.TenantUrl, UriKind.Absolute, out _))
             throw new ArgumentException("TenantUrl must be a valid absolute URL.", nameof(profile));
 
-        if (string.IsNullOrWhiteSpace(profile.ClientId))
-            throw new ArgumentException("ClientId must not be empty.", nameof(profile));
+        // ClientId is optional at creation time: the user can register the app from within
+        // the tool, which will populate ClientId/AppId on the profile afterwards.
+        profile.ClientId ??= string.Empty;
 
         var existing = (await _repository.LoadAsync()).ToList();
         existing.Add(profile);

SharepointToolbox/ViewModels/ProfileManagementViewModel.cs

@@ -19,6 +19,11 @@ public partial class ProfileManagementViewModel : ObservableObject
     private readonly ILogger<ProfileManagementViewModel> _logger;
     private readonly IAppRegistrationService _appRegistrationService;
 
+    // Well-known public client (Microsoft Graph Command Line Tools) used as a bootstrap
+    // when a profile has no ClientId yet, so the user can sign in as admin and have the
+    // app registration created for them.
+    private const string BootstrapClientId = "14d82eec-204b-4c2f-b7e8-296a70dab67e";
+
     [ObservableProperty]
     private TenantProfile? _selectedProfile;
 
@@ -137,7 +142,7 @@ public partial class ProfileManagementViewModel : ObservableObject
     {
         if (string.IsNullOrWhiteSpace(NewName)) return false;
         if (!Uri.TryCreate(NewTenantUrl, UriKind.Absolute, out _)) return false;
-        if (string.IsNullOrWhiteSpace(NewClientId)) return false;
+        // ClientId is optional — leaving it blank lets the user register the app from within the tool.
         return true;
     }
 
@@ -150,7 +155,7 @@ public partial class ProfileManagementViewModel : ObservableObject
             {
                 Name = NewName.Trim(),
                 TenantUrl = NewTenantUrl.Trim(),
-                ClientId = NewClientId.Trim()
+                ClientId = NewClientId?.Trim() ?? string.Empty
             };
             await _profileService.AddProfileAsync(profile);
             Profiles.Add(profile);
@@ -299,7 +304,14 @@ public partial class ProfileManagementViewModel : ObservableObject
         RegistrationStatus = TranslationSource.Instance["profile.register.checking"];
         try
         {
-            var isAdmin = await _appRegistrationService.IsGlobalAdminAsync(SelectedProfile.ClientId, ct);
+            // Use the profile's own ClientId if it has one; otherwise bootstrap with the
+            // Microsoft Graph Command Line Tools public client so a first-time profile
+            // (name + URL only) can still perform the admin check and registration.
+            var authClientId = string.IsNullOrWhiteSpace(SelectedProfile.ClientId)
+                ? BootstrapClientId
+                : SelectedProfile.ClientId;
+
+            var isAdmin = await _appRegistrationService.IsGlobalAdminAsync(authClientId, ct);
             if (!isAdmin)
             {
                 ShowFallbackInstructions = true;
@@ -308,11 +320,15 @@ public partial class ProfileManagementViewModel : ObservableObject
             }
 
             RegistrationStatus = TranslationSource.Instance["profile.register.registering"];
-            var result = await _appRegistrationService.RegisterAsync(SelectedProfile.ClientId, SelectedProfile.Name, ct);
+            var result = await _appRegistrationService.RegisterAsync(authClientId, SelectedProfile.Name, ct);
 
             if (result.IsSuccess)
             {
                 SelectedProfile.AppId = result.AppId;
+                // If the profile had no ClientId, adopt the freshly registered app's id
+                // so subsequent sign-ins use the profile's own app registration.
+                if (string.IsNullOrWhiteSpace(SelectedProfile.ClientId))
+                    SelectedProfile.ClientId = result.AppId!;
                 await _profileService.UpdateProfileAsync(SelectedProfile);
                 RegistrationStatus = TranslationSource.Instance["profile.register.success"];
                 OnPropertyChanged(nameof(HasRegisteredApp));

SharepointToolbox/Views/Dialogs/ProfileManagementDialog.xaml

@@ -35,6 +35,7 @@
         <RowDefinition Height="Auto" />
         <RowDefinition Height="Auto" />
         <RowDefinition Height="Auto" />
+        <RowDefinition Height="Auto" />
       </Grid.RowDefinitions>
       <Label Content="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.name]}"
              Grid.Row="0" Grid.Column="0" />
@@ -48,6 +49,9 @@
              Grid.Row="2" Grid.Column="0" />
       <TextBox Text="{Binding NewClientId, UpdateSourceTrigger=PropertyChanged}"
                Grid.Row="2" Grid.Column="1" Margin="0,2" />
+      <TextBlock Grid.Row="3" Grid.Column="1" Margin="0,2,0,0"
+                 FontSize="11" FontStyle="Italic" Foreground="#666666" TextWrapping="Wrap"
+                 Text="{Binding Source={x:Static loc:TranslationSource.Instance}, Path=[profile.clientid.hint]}" />
     </Grid>
 
     <!-- Client Logo -->