feat: Finishing touches on localization implementation

.github/workflows/build.yml

@@ -98,6 +98,7 @@ jobs:
         shell: bash
         run: |
           cp -r PostCodeSerialMonitor/bin/${{ matrix.configuration }}/net9.0/${{ matrix.runtime }}/publish/* artifacts/${{ matrix.runtime }}/${{ matrix.configuration }}/
+          cp PostCodeSerialMonitor/config.json artifacts/${{ matrix.runtime }}/${{ matrix.configuration }}/
 
       - name: Upload artifacts
         uses: actions/upload-artifact@v4

PostCodeSerialMonitor/App.axaml.cs

@@ -6,6 +6,8 @@
 using PostCodeSerialMonitor.ViewModels;
 using PostCodeSerialMonitor.Views;
 using Microsoft.Extensions.DependencyInjection;
+using PostCodeSerialMonitor.Services;
+using System.Globalization;
 
 namespace PostCodeSerialMonitor;
 
@@ -29,11 +31,11 @@ public override void OnFrameworkInitializationCompleted()
         // Creates a ServiceProvider containing services from the provided IServiceCollection
         var services = collection.BuildServiceProvider();
 
+        var configService = services.GetRequiredService<ConfigurationService>();
         var mainWindowViewModel = services.GetRequiredService<MainWindowViewModel>();
 
-        //@todo Load language setting in cofig.json.
-        //
-        //Assets.Resources.Culture = new CultureInfo("en-US");
+        // Load language setting in config.json.
+        Assets.Resources.Culture = new CultureInfo(configService.Config.Language);
 
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
         {

PostCodeSerialMonitor/Assets/Resources.pt-BR.resx

@@ -369,4 +369,12 @@
     <value>Falha ao abrir URL: {0}</value>
     <comment>In Views/MainWindow.axaml.cs</comment>
   </data>
+  <data name="RestartRequired" xml:space="preserve">
+    <value>Necessário reiniciar</value>
+    <comment>In ViewModels/ConfigurationDialogViewModel.cs</comment>
+  </data>
+  <data name="LanguageChangedPleaseRestart" xml:space="preserve">
+    <value>O idioma foi alterado. Reinicie o aplicativo para que a alteração entre em vigor.</value>
+    <comment>In ViewModels/ConfigurationDialogViewModel.cs</comment>
+  </data>
 </root>

PostCodeSerialMonitor/Assets/Resources.resx

@@ -369,4 +369,12 @@
     <value>Failed to open URL: {0}</value>
     <comment>In Views/MainWindow.axaml.cs</comment>
   </data>
+  <data name="RestartRequired" xml:space="preserve">
+    <value>Restart required</value>
+    <comment>In ViewModels/ConfigurationDialogViewModel.cs</comment>
+  </data>
+  <data name="LanguageChangedPleaseRestart" xml:space="preserve">
+    <value>Language was changed. Please restart the application for it to take effect.</value>
+    <comment>In ViewModels/ConfigurationDialogViewModel.cs</comment>
+  </data>
 </root>

PostCodeSerialMonitor/PostCodeSerialMonitor.csproj

@@ -37,6 +37,12 @@
     </Compile>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="config.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="Avalonia" Version="11.3.0" />
     <PackageReference Include="Avalonia.Controls.ItemsRepeater" Version="11.1.5" />

PostCodeSerialMonitor/ServiceCollectionExtensions.cs

@@ -28,13 +28,12 @@ public static void AddCommonServices(this IServiceCollection collection)
 
         // Build configuration
         var configuration = new ConfigurationBuilder()
-            .AddJsonFile("config.json", optional: true, reloadOnChange: true)
+            .AddJsonFile("config.json", optional: false, reloadOnChange: true)
             .Build();
 
         // Configure options with validation
-        collection.Configure<AppConfiguration>(configuration.GetSection(nameof(AppConfiguration)));
         collection.AddOptions<AppConfiguration>()
-            .Bind(configuration.GetSection(nameof(AppConfiguration)))
+            .Bind(configuration.GetRequiredSection(nameof(AppConfiguration)))
             .Validate(x => {
                 return x.FormatVersion == SUPPORTED_CONFIG_FORMAT_VERSION;
             })

PostCodeSerialMonitor/Services/ConfigurationService.cs

@@ -5,6 +5,8 @@
 using PostCodeSerialMonitor.Models;
 using Microsoft.Extensions.Options;
 using Microsoft.Extensions.Logging;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace PostCodeSerialMonitor.Services;
 public class ConfigurationService
@@ -30,12 +32,18 @@ public async Task SaveConfigurationAsync()
     {
         try
         {
-            var json = JsonSerializer.Serialize(_configurationMonitor.CurrentValue, new JsonSerializerOptions
+            var startupPath = AppContext.BaseDirectory?.TrimEnd(Path.DirectorySeparatorChar)
+                ?? throw new InvalidOperationException();
+
+            var newConfig = new Dictionary<string, AppConfiguration>(){
+                { nameof(AppConfiguration), _configurationMonitor.CurrentValue }
+            };
+            var json = JsonSerializer.Serialize(newConfig, new JsonSerializerOptions
             {
                 WriteIndented = true
             });
 
-            await File.WriteAllTextAsync(_configFilePath, json);
+            await File.WriteAllTextAsync(Path.Join(startupPath, _configFilePath), json);
             _logger.LogInformation(Assets.Resources.ConfigurationSaved);
         }
         catch (Exception ex)

PostCodeSerialMonitor/Utils/LocalizationUtils.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Globalization;
+using System.Resources;
+using PostCodeSerialMonitor.Assets;
+
+namespace PostCodeSerialMonitor.Utils;
+
+public static class LocalizationUtils
+{
+    public static IEnumerable<CultureInfo> GetAvailableCultures()
+    {
+        List<CultureInfo> result = new List<CultureInfo>()
+        {
+            // Prefill with the default culture info, as this won't be gathered by GetCultures
+            CultureInfo.GetCultureInfo("en-US")
+        };
+
+        ResourceManager rm = new ResourceManager(typeof(Resources));
+
+        CultureInfo[] cultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
+        foreach (CultureInfo culture in cultures)
+        {
+            try
+            {
+            if (culture.Equals(CultureInfo.InvariantCulture)) continue; //do not use "==", won't work
+
+            ResourceSet? rs = rm.GetResourceSet(culture, true, false);
+            if (rs != null)
+                result.Add(culture);
+            }
+            catch (CultureNotFoundException)
+            {
+
+            }
+        }
+        return result;
+    }
+}

PostCodeSerialMonitor/ViewModels/ConfigurationDialogViewModel.cs

@@ -3,9 +3,14 @@
 using CommunityToolkit.Mvvm.Input;
 using PostCodeSerialMonitor.Models;
 using PostCodeSerialMonitor.Services;
+using PostCodeSerialMonitor.Utils;
 using System.Threading.Tasks;
 using Avalonia.Controls;
 using System;
+using System.Collections.Generic;
+using System.Globalization;
+using MsBox.Avalonia;
+using MsBox.Avalonia.Enums;
 
 namespace PostCodeSerialMonitor.ViewModels;
 
@@ -32,11 +37,21 @@ public partial class ConfigurationDialogViewModel : ViewModelBase
     [ObservableProperty]
     private string fwUpdateUrl;
 
-    public ObservableCollection<string> Languages { get; } = new();
+    [ObservableProperty]
+    private ObservableCollection<string> languages;
 
     [ObservableProperty]
     private string selectedLanguage;
 
+    public static ObservableCollection<string> GetAvailableLanguages()
+    {
+        var languages = new ObservableCollection<string>();
+        var cultures = LocalizationUtils.GetAvailableCultures();
+        foreach (CultureInfo culture in cultures)
+            languages.Add(culture.Name);
+        return languages;
+    }
+
     public ConfigurationDialogViewModel(ConfigurationService configurationService)
     {
         _configurationService = configurationService;
@@ -52,13 +67,14 @@ public ConfigurationDialogViewModel(ConfigurationService configurationService)
         SelectedLanguage = _originalConfiguration.Language;
 
         //Add available languages
-        Languages.Add("en-US");
-        Languages.Add("pt-BR");
+        Languages = GetAvailableLanguages();
     }
 
     [RelayCommand]
     private async Task SaveAsync(Window window)
     {
+        bool languageChanged = _originalConfiguration.Language != SelectedLanguage;
+
         await _configurationService.UpdateConfigurationAsync(config =>
         {
             config.CheckForAppUpdates = CheckForAppUpdates;
@@ -71,6 +87,13 @@ await _configurationService.UpdateConfigurationAsync(config =>
         });
 
         window.Close();
+
+        if (languageChanged) {
+            await MessageBoxManager
+                .GetMessageBoxStandard(Assets.Resources.RestartRequired, string.Format(Assets.Resources.LanguageChangedPleaseRestart),
+                    ButtonEnum.Ok)
+                .ShowAsync();
+        }
     }
 
     [RelayCommand]

PostCodeSerialMonitor/config.json

@@ -8,6 +8,7 @@
     "CodesMetaBaseUrl": "https://errors.xboxresearch.com/",
     "FwUpdateUrl": "https://example.com/todo",
     "MetaStoragePath": "meta",
+    "Language": "en-US",
     "MetaJsonUrl": "https://errors.xboxresearch.com/meta.json"
   }
 }