separate current culture (formatting) and ui culture (language)

ErsatzTV.Application/Configuration/Commands/UpdateUiSettingsHandler.cs

@@ -18,9 +18,11 @@ public class UpdateUiSettingsHandler(IConfigElementRepository configElementRepos
     {
         await configElementRepository.Upsert(
             ConfigElementKey.PagesIsDarkMode,
-            uiSettings.PagesIsDarkMode,
+            uiSettings.IsDarkMode,
             cancellationToken);
 
+        await configElementRepository.Upsert(ConfigElementKey.PagesLanguage, uiSettings.Language, cancellationToken);
+
         return Unit.Default;
     }
 }

ErsatzTV.Application/Configuration/Queries/GetUiSettingsHandler.cs

@@ -12,9 +12,14 @@ public class GetUiSettingsHandler(IConfigElementRepository configElementReposito
             ConfigElementKey.PagesIsDarkMode,
             cancellationToken);
 
+        Option<string> pagesLanguage = await configElementRepository.GetValue<string>(
+            ConfigElementKey.PagesLanguage,
+            cancellationToken);
+
         return new UiSettingsViewModel
         {
-            PagesIsDarkMode = await pagesIsDarkMode.IfNoneAsync(true)
+            IsDarkMode = await pagesIsDarkMode.IfNoneAsync(true),
+            Language = await pagesLanguage.IfNoneAsync("en")
         };
     }
 }

ErsatzTV.Application/Configuration/UiSettingsViewModel.cs

@@ -2,5 +2,7 @@ namespace ErsatzTV.Application.Configuration;
 
 public class UiSettingsViewModel
 {
-    public bool PagesIsDarkMode { get; set; }
+    public bool IsDarkMode { get; set; }
+
+    public string Language { get; set; }
 }

ErsatzTV.Application/Playouts/Queries/GetFuturePlayoutItemsByIdHandler.cs

@@ -112,7 +112,7 @@ public class GetFuturePlayoutItemsByIdHandler(IDbContextFactory<TvContext> dbCon
                         gap.FinishOffset,
                         TimeSpan.FromSeconds(Math.Round(gapDuration.TotalSeconds)).ToString(
                             gapDuration.TotalHours >= 1 ? @"h\:mm\:ss" : @"mm\:ss",
-                            CultureInfo.CurrentUICulture.DateTimeFormat),
+                            CultureInfo.CurrentCulture.DateTimeFormat),
                         None
                     );
                 }).ToList();

ErsatzTV.Core/Domain/ConfigElementKey.cs

@@ -32,6 +32,7 @@ public class ConfigElementKey
     public static ConfigElementKey HDHRTunerCount => new("hdhr.tuner_count");
     public static ConfigElementKey HDHRUUID => new("hdhr.uuid");
     public static ConfigElementKey PagesIsDarkMode => new("pages.is_dark_mode");
+    public static ConfigElementKey PagesLanguage => new("pages.language");
     public static ConfigElementKey ChannelsPageSize => new("pages.channels.page_size");
     public static ConfigElementKey ChannelsShowDisabled => new("pages.channels.show_disabled");
     public static ConfigElementKey CollectionsPageSize => new("pages.collections.page_size");

ErsatzTV.Core/Notifications/ThemeUpdatedNotification.cs

@@ -1,5 +0,0 @@
-using MediatR;
-
-namespace ErsatzTV.Core.Notifications;
-
-public record ThemeUpdatedNotification : INotification;

ErsatzTV/DatabaseRequestCultureProvider.cs

@@ -0,0 +1,27 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using Microsoft.AspNetCore.Localization;
+
+namespace ErsatzTV;
+
+public class DatabaseRequestCultureProvider(AcceptLanguageHeaderRequestCultureProvider defaultProvider)
+    : RequestCultureProvider
+{
+    public override async Task<ProviderCultureResult> DetermineProviderCultureResult(HttpContext httpContext)
+    {
+        var configElementRepository = httpContext.RequestServices.GetService<IConfigElementRepository>();
+
+        var defaultResult = await defaultProvider.DetermineProviderCultureResult(httpContext);
+        string configuredLanguage = await configElementRepository.GetValue<string>(
+                ConfigElementKey.PagesLanguage,
+                CancellationToken.None)
+            .IfNoneAsync("en");
+
+        if (defaultResult != null)
+        {
+            return new ProviderCultureResult(defaultResult.Cultures, [configuredLanguage]);
+        }
+
+        return new ProviderCultureResult(configuredLanguage);
+    }
+}

ErsatzTV/Locals/Resources.cs

@@ -0,0 +1,5 @@
+namespace ErsatzTV;
+
+public class Resources
+{
+}

ErsatzTV/Locals/Resources.pt-br.resx

@@ -0,0 +1,17 @@
+<root>
+    <resheader name="resmimetype">
+        <value>text/microsoft-resx</value>
+    </resheader>
+    <resheader name="version">
+        <value>1.3</value>
+    </resheader>
+    <resheader name="reader">
+        <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <resheader name="writer">
+        <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    </resheader>
+    <data name="ButtonMainMenuChannels" xml:space="preserve">
+        <value>Canais</value>
+    </data>
+</root>

ErsatzTV/Locals/Resources.resx

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+    <data name="ButtonMainMenuChannels" xml:space="preserve">
+        <value>Channels</value>
+    </data>
+</root>

ErsatzTV/Pages/DecoTemplateEditor.razor

@@ -61,7 +61,7 @@
                     @foreach (DateTime startTime in _startTimes)
                     {
                         <MudSelectItem Value="@startTime">
-                            @startTime.ToString(CultureInfo.CurrentUICulture.DateTimeFormat.ShortTimePattern)
+                            @startTime.ToString(CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern)
                         </MudSelectItem>
                     }
                 </MudSelect>
@@ -129,7 +129,7 @@
                          ShowDatePicker="false"
                          ShowTodayButton="false"
                          DayTimeInterval="CalendarTimeInterval.Minutes10"
-                         Use24HourClock="@(CultureInfo.CurrentUICulture.DateTimeFormat.ShortTimePattern.Contains("H"))"
+                         Use24HourClock="@(CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern.Contains("H"))"
                          EnableDragItems="true"
                          EnableResizeItems="false"
                          ItemChanged="@(ci => CalendarItemChanged(ci))"/>

ErsatzTV/Pages/Logs.razor

@@ -58,7 +58,7 @@
 @code {
     private CancellationTokenSource _cts;
 
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
 
     private MudTable<LogEntryViewModel> _table;
     private int _rowsPerPage = 10;

ErsatzTV/Pages/PlayoutAlternateSchedulesEditor.razor

@@ -224,7 +224,7 @@
 @code {
     private CancellationTokenSource _cts;
 
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
 
     [Parameter]
     public int Id { get; set; }

ErsatzTV/Pages/PlayoutTemplatesEditor.razor

@@ -273,7 +273,7 @@
 @code {
     private CancellationTokenSource _cts;
 
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
 
     [Parameter]
     public int Id { get; set; }

ErsatzTV/Pages/Playouts.razor

@@ -263,7 +263,7 @@
 @code {
     private CancellationTokenSource _cts;
 
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
 
     private readonly List<PlayoutNameViewModel> _currentPage = [];
     private MudTable<PlayoutNameViewModel> _table;

ErsatzTV/Pages/Settings/UISettings.razor

@@ -4,6 +4,7 @@
 @implements IDisposable
 @inject IMediator Mediator
 @inject ISnackbar Snackbar
+@inject NavigationManager NavigationManager
 @inject ILogger<UISettings> Logger
 
 <MudForm Style="max-height: 100%">
@@ -16,13 +17,22 @@
             <MudDivider Class="mb-6"/>
             <MudStack Row="true" Breakpoint="Breakpoint.SmAndDown" Class="form-field-stack gap-md-8 mb-5">
                 <div class="d-flex">
-                    <MudText>Default Theme</MudText>
+                    <MudText>Theme</MudText>
                 </div>
-                <MudSelect @bind-Value="_uiSettings.PagesIsDarkMode">
+                <MudSelect @bind-Value="_uiSettings.IsDarkMode">
                     <MudSelectItem Value="@true">Dark</MudSelectItem>
                     <MudSelectItem Value="@false">Light</MudSelectItem>
                 </MudSelect>
             </MudStack>
+            <MudStack Row="true" Breakpoint="Breakpoint.SmAndDown" Class="form-field-stack gap-md-8 mb-5">
+                <div class="d-flex">
+                    <MudText>Language</MudText>
+                </div>
+                <MudSelect @bind-Value="_uiSettings.Language">
+                    <MudSelectItem Value="@("en-us")">English</MudSelectItem>
+                    <MudSelectItem Value="@("pt-br")">Português (Brasil)</MudSelectItem>
+                </MudSelect>
+            </MudStack>
         </MudContainer>
     </div>
 </MudForm>
@@ -67,8 +77,7 @@
 
         if (result.IsRight)
         {
-            Snackbar.Add("Successfully saved UI settings", Severity.Success);
-            await Mediator.Publish(new ThemeUpdatedNotification(), _cts.Token);
+            NavigationManager.Refresh(true);
         }
     }
 

ErsatzTV/Pages/TemplateEditor.razor

@@ -61,7 +61,7 @@
                     @foreach (DateTime startTime in _startTimes)
                     {
                         <MudSelectItem Value="@startTime">
-                            @startTime.ToString(CultureInfo.CurrentUICulture.DateTimeFormat.ShortTimePattern)
+                            @startTime.ToString(CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern)
                         </MudSelectItem>
                     }
                 </MudSelect>
@@ -104,7 +104,7 @@
                          ShowDatePicker="false"
                          ShowTodayButton="false"
                          DayTimeInterval="CalendarTimeInterval.Minutes10"
-                         Use24HourClock="@(CultureInfo.CurrentUICulture.DateTimeFormat.ShortTimePattern.Contains("H"))"
+                         Use24HourClock="@(CultureInfo.CurrentCulture.DateTimeFormat.ShortTimePattern.Contains("H"))"
                          EnableDragItems="true"
                          EnableResizeItems="false"
                          ItemChanged="@(ci => CalendarItemChanged(ci))"/>

ErsatzTV/Pages/Troubleshooting/BlockPlayoutHistory.razor

@@ -91,7 +91,7 @@
     public int? BlockId { get; set; }
 
     private CancellationTokenSource _cts;
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
     private int _rowsPerPage = 10;
     private int? _selectedPlayoutHistoryId;
     private PlayoutHistoryDetailsViewModel _decodedHistory;

ErsatzTV/Pages/Troubleshooting/PlaybackTroubleshooting.razor

@@ -193,7 +193,7 @@
 @code {
     private CancellationTokenSource _cts;
 
-    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentUICulture.DateTimeFormat;
+    private readonly DateTimeFormatInfo _dtf = CultureInfo.CurrentCulture.DateTimeFormat;
     private readonly List<FFmpegProfileViewModel> _ffmpegProfiles = [];
     private readonly List<string> _streamSelectors = [];
     private readonly List<WatermarkViewModel> _watermarks = [];

ErsatzTV/Shared/MainLayout.razor

@@ -8,6 +8,7 @@
 @using ErsatzTV.Core.Notifications
 @using ErsatzTV.Extensions
 @using MediatR.Courier
+@using Microsoft.Extensions.Localization
 @implements IDisposable
 @inject NavigationManager NavigationManager
 @inject IMediator Mediator
@@ -15,6 +16,7 @@
 @inject ISearchTargets SearchTargets;
 @inject ICourier Courier
 @inject IHealthCheckService HealthCheckService;
+@inject IStringLocalizer<Resources> StringLocalizer;
 
 <MudThemeProvider Theme="ErsatzTvTheme" IsDarkMode="_isDarkMode"/>
 <MudDialogProvider BackdropClick="false"/>
@@ -116,7 +118,7 @@
     {
         <MudDrawer @bind-Open="@_drawerIsOpen" Elevation="2" ClipMode="DrawerClipMode.Always">
             <MudNavMenu>
-                <MudNavLink Href="channels">Channels</MudNavLink>
+                <MudNavLink Href="channels">@StringLocalizer["ButtonMainMenuChannels"]</MudNavLink>
                 <MudNavLink Href="ffmpeg">FFmpeg Profiles</MudNavLink>
                 <MudNavLink Href="watermarks">Watermarks</MudNavLink>
                 <MudNavGroup Title="Media Sources">
@@ -286,7 +288,6 @@
 
         Courier.Subscribe<HealthCheckSummary>(HandleHealthCheckSummary);
         Courier.Subscribe<PlayoutUpdatedNotification>(HandlePlayoutUpdated);
-        Courier.Subscribe<ThemeUpdatedNotification>(HandleThemeUpdated);
     }
 
     protected override async Task OnInitializedAsync()
@@ -304,7 +305,6 @@
 
         Courier.UnSubscribe<HealthCheckSummary>(HandleHealthCheckSummary);
         Courier.UnSubscribe<PlayoutUpdatedNotification>(HandlePlayoutUpdated);
-        Courier.UnSubscribe<ThemeUpdatedNotification>(HandleThemeUpdated);
 
         _cts?.Cancel();
         _cts?.Dispose();
@@ -520,20 +520,4 @@
         }
     }
 
-    private async Task HandleThemeUpdated(ThemeUpdatedNotification _, CancellationToken cancellationToken)
-    {
-        try
-        {
-            _isDarkMode = await Mediator.Send(new GetConfigElementByKey(ConfigElementKey.PagesIsDarkMode), cancellationToken)
-                .MapT(result => !bool.TryParse(result.Value, out bool value) || value)
-                .IfNoneAsync(true);
-
-            await InvokeAsync(StateHasChanged);
-        }
-        catch (Exception)
-        {
-            // do nothing
-        }
-    }
-
 }

ErsatzTV/Startup.cs

@@ -87,6 +87,7 @@ using Microsoft.AspNetCore.Authentication.OpenIdConnect;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.AspNetCore.Localization;
 using Microsoft.AspNetCore.StaticFiles;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.FileProviders;
@@ -604,9 +605,13 @@ public class Startup
         {
             CultureInfo[] cinfo = CultureInfo.GetCultures(CultureTypes.AllCultures & ~CultureTypes.NeutralCultures);
             string[] supportedCultures = cinfo.Select(t => t.Name).Distinct().ToArray();
+            string[] supportedUiCultures = ["en-us", "pt-br"];
             options.AddSupportedCultures(supportedCultures)
-                .AddSupportedUICultures(supportedCultures)
-                .SetDefaultCulture("en-US");
+                .AddSupportedUICultures(supportedUiCultures)
+                .SetDefaultCulture("en-us");
+            options.AddInitialRequestCultureProvider(
+                new DatabaseRequestCultureProvider(
+                    new AcceptLanguageHeaderRequestCultureProvider()));
         });
 
         app.UseStaticFiles();