Implement localization in DiscordChatExporter following YoutubeDownloader pattern

Co-authored-by: Tyrrrz <1935960+Tyrrrz@users.noreply.github.com>

DiscordChatExporter.Gui/ViewModels/Components/DashboardViewModel.cs

@@ -13,6 +13,7 @@ using DiscordChatExporter.Core.Exceptions;
 using DiscordChatExporter.Core.Exporting;
 using DiscordChatExporter.Core.Utils.Extensions;
 using DiscordChatExporter.Gui.Framework;
+using DiscordChatExporter.Gui.Localization;
 using DiscordChatExporter.Gui.Models;
 using DiscordChatExporter.Gui.Services;
 using DiscordChatExporter.Gui.Utils;
@@ -38,13 +39,15 @@ public partial class DashboardViewModel : ViewModelBase
         ViewModelManager viewModelManager,
         DialogManager dialogManager,
         SnackbarManager snackbarManager,
-        SettingsService settingsService
+        SettingsService settingsService,
+        LocalizationManager localizationManager
     )
     {
         _viewModelManager = viewModelManager;
         _dialogManager = dialogManager;
         _snackbarManager = snackbarManager;
         _settingsService = settingsService;
+        LocalizationManager = localizationManager;
 
         _progressMuxer = Progress.CreateMuxer().WithAutoReset();
 
@@ -70,6 +73,8 @@ public partial class DashboardViewModel : ViewModelBase
     [NotifyCanExecuteChangedFor(nameof(ExportCommand))]
     public partial bool IsBusy { get; set; }
 
+    public LocalizationManager LocalizationManager { get; }
+
     public ProgressContainer<Percentage> Progress { get; } = new();
 
     public bool IsProgressIndeterminate => IsBusy && Progress.Current.Fraction is <= 0 or >= 1;
@@ -141,7 +146,7 @@ public partial class DashboardViewModel : ViewModelBase
         catch (Exception ex)
         {
             var dialog = _viewModelManager.CreateMessageBoxViewModel(
-                "Error pulling servers",
+                LocalizationManager.ErrorPullingServersTitle,
                 ex.ToString()
             );
 
@@ -208,7 +213,7 @@ public partial class DashboardViewModel : ViewModelBase
         catch (Exception ex)
         {
             var dialog = _viewModelManager.CreateMessageBoxViewModel(
-                "Error pulling channels",
+                LocalizationManager.ErrorPullingChannelsTitle,
                 ex.ToString()
             );
 
@@ -303,14 +308,17 @@ public partial class DashboardViewModel : ViewModelBase
             if (successfulExportCount > 0)
             {
                 _snackbarManager.Notify(
-                    $"Successfully exported {successfulExportCount} channel(s)"
+                    string.Format(
+                        LocalizationManager.SuccessfulExportMessage,
+                        successfulExportCount
+                    )
                 );
             }
         }
         catch (Exception ex)
         {
             var dialog = _viewModelManager.CreateMessageBoxViewModel(
-                "Error exporting channel(s)",
+                LocalizationManager.ErrorExportingTitle,
                 ex.ToString()
             );
 

DiscordChatExporter.Gui/ViewModels/Dialogs/ExportSetupViewModel.cs

@@ -12,15 +12,19 @@ using DiscordChatExporter.Core.Exporting.Filtering;
 using DiscordChatExporter.Core.Exporting.Partitioning;
 using DiscordChatExporter.Core.Utils.Extensions;
 using DiscordChatExporter.Gui.Framework;
+using DiscordChatExporter.Gui.Localization;
 using DiscordChatExporter.Gui.Services;
 
 namespace DiscordChatExporter.Gui.ViewModels.Dialogs;
 
 public partial class ExportSetupViewModel(
     DialogManager dialogManager,
-    SettingsService settingsService
+    SettingsService settingsService,
+    LocalizationManager localizationManager
 ) : DialogViewModelBase
 {
+    public LocalizationManager LocalizationManager { get; } = localizationManager;
+
     [ObservableProperty]
     public partial Guild? Guild { get; set; }
 

DiscordChatExporter.Gui/ViewModels/Dialogs/SettingsViewModel.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using DiscordChatExporter.Core.Discord;
 using DiscordChatExporter.Core.Utils.Extensions;
 using DiscordChatExporter.Gui.Framework;
+using DiscordChatExporter.Gui.Localization;
 using DiscordChatExporter.Gui.Models;
 using DiscordChatExporter.Gui.Services;
 using DiscordChatExporter.Gui.Utils;
@@ -16,13 +17,19 @@ public class SettingsViewModel : DialogViewModelBase
 
     private readonly DisposableCollector _eventRoot = new();
 
-    public SettingsViewModel(SettingsService settingsService)
+    public SettingsViewModel(
+        SettingsService settingsService,
+        LocalizationManager localizationManager
+    )
     {
         _settingsService = settingsService;
+        LocalizationManager = localizationManager;
 
         _eventRoot.Add(_settingsService.WatchAllProperties(OnAllPropertiesChanged));
     }
 
+    public LocalizationManager LocalizationManager { get; }
+
     public IReadOnlyList<ThemeVariant> AvailableThemes { get; } = Enum.GetValues<ThemeVariant>();
 
     public ThemeVariant Theme
@@ -31,6 +38,14 @@ public class SettingsViewModel : DialogViewModelBase
         set => _settingsService.Theme = value;
     }
 
+    public IReadOnlyList<Language> AvailableLanguages { get; } = Enum.GetValues<Language>();
+
+    public Language Language
+    {
+        get => _settingsService.Language;
+        set => _settingsService.Language = value;
+    }
+
     public bool IsAutoUpdateEnabled
     {
         get => _settingsService.IsAutoUpdateEnabled;

DiscordChatExporter.Gui/ViewModels/MainViewModel.cs

@@ -4,6 +4,7 @@ using System.Threading.Tasks;
 using Avalonia;
 using CommunityToolkit.Mvvm.Input;
 using DiscordChatExporter.Gui.Framework;
+using DiscordChatExporter.Gui.Localization;
 using DiscordChatExporter.Gui.Services;
 using DiscordChatExporter.Gui.Utils.Extensions;
 using DiscordChatExporter.Gui.ViewModels.Components;
@@ -15,7 +16,8 @@ public partial class MainViewModel(
     DialogManager dialogManager,
     SnackbarManager snackbarManager,
     SettingsService settingsService,
-    UpdateService updateService
+    UpdateService updateService,
+    LocalizationManager localizationManager
 ) : ViewModelBase
 {
     public string Title { get; } = $"{Program.Name} v{Program.VersionString}";
@@ -28,14 +30,10 @@ public partial class MainViewModel(
             return;
 
         var dialog = viewModelManager.CreateMessageBoxViewModel(
-            "Thank you for supporting Ukraine!",
-            """
-            As Russia wages a genocidal war against my country, I'm grateful to everyone who continues to stand with Ukraine in our fight for freedom.
-
-            Click LEARN MORE to find ways that you can help.
-            """,
-            "LEARN MORE",
-            "CLOSE"
+            localizationManager.UkraineSupportTitle,
+            localizationManager.UkraineSupportMessage,
+            localizationManager.LearnMoreButton,
+            localizationManager.CloseButton
         );
 
         // Disable this message in the future
@@ -56,16 +54,10 @@ public partial class MainViewModel(
             return;
 
         var dialog = viewModelManager.CreateMessageBoxViewModel(
-            "Unstable build warning",
-            $"""
-            You're using a development build of {Program.Name}. These builds are not thoroughly tested and may contain bugs.
-
-            Auto-updates are disabled for development builds.
-
-            Click SEE RELEASES if you want to download a stable release instead.
-            """,
-            "SEE RELEASES",
-            "CLOSE"
+            localizationManager.UnstableBuildTitle,
+            string.Format(localizationManager.UnstableBuildMessage, Program.Name),
+            localizationManager.SeeReleasesButton,
+            localizationManager.CloseButton
         );
 
         if (await dialogManager.ShowDialogAsync(dialog) == true)
@@ -80,12 +72,18 @@ public partial class MainViewModel(
             if (updateVersion is null)
                 return;
 
-            snackbarManager.Notify($"Downloading update to {Program.Name} v{updateVersion}...");
+            snackbarManager.Notify(
+                string.Format(
+                    localizationManager.UpdateDownloadingMessage,
+                    Program.Name,
+                    updateVersion
+                )
+            );
             await updateService.PrepareUpdateAsync(updateVersion);
 
             snackbarManager.Notify(
-                "Update has been downloaded and will be installed when you exit",
-                "INSTALL NOW",
+                localizationManager.UpdateReadyMessage,
+                localizationManager.UpdateInstallNowButton,
                 () =>
                 {
                     updateService.FinalizeUpdate(true);
@@ -98,7 +96,7 @@ public partial class MainViewModel(
         catch
         {
             // Failure to update shouldn't crash the application
-            snackbarManager.Notify("Failed to perform application update");
+            snackbarManager.Notify(localizationManager.UpdateFailedMessage);
         }
     }