Add app-specific locale override

Controllers/HomeController.cs

@@ -6,6 +6,7 @@ using CarCareTracker.Helper;
 using Microsoft.AspNetCore.Authorization;
 using System.Security.Claims;
 using CarCareTracker.Logic;
+using System.Globalization;
 
 namespace CarCareTracker.Controllers
 {
@@ -552,8 +553,13 @@ namespace CarCareTracker.Controllers
         [Route("/setup")]
         public IActionResult Setup()
         {
+            var installedLocales = CultureInfo.GetCultures(CultureTypes.AllCultures).Select(x=>x.Name).ToList();
+            installedLocales.RemoveAll(x => string.IsNullOrWhiteSpace(x));
+            installedLocales.Insert(0, "");
             var viewModel = new ServerSettingsViewModel
             {
+                LocaleOverride = _config.GetLocaleOverride(),
+                AvailableLocales = installedLocales,
                 PostgresConnection = _config.GetServerPostgresConnection(),
                 AllowedFileExtensions = _config.GetAllowedFileUploadExtensions(),
                 CustomLogoURL = _config.GetLogoUrl(),

Helper/ConfigHelper.cs

@@ -18,6 +18,7 @@ namespace CarCareTracker.Helper
         bool AuthenticateRootUserOIDC(string email);
         string GetWebHookUrl();
         bool GetCustomWidgetsEnabled();
+        string GetLocaleOverride();
         string GetMOTD();
         string GetLogoUrl();
         string GetSmallLogoUrl();
@@ -73,6 +74,11 @@ namespace CarCareTracker.Helper
             var domain = CheckString("LUBELOGGER_DOMAIN");
             return domain;
         }
+        public string GetLocaleOverride()
+        {
+            var locale = CheckString("LUBELOGGER_LOCALE_OVERRIDE");
+            return locale;
+        }
         public bool GetServerOpenRegistration()
         {
             return CheckBool(CheckString("LUBELOGGER_OPEN_REGISTRATION"));
@@ -167,6 +173,10 @@ namespace CarCareTracker.Helper
             {
                 serverConfig.PostgresConnection = null;
             }
+            if (string.IsNullOrWhiteSpace(serverConfig.LocaleOverride))
+            {
+                serverConfig.LocaleOverride = null;
+            }
             if (serverConfig.AllowedFileExtensions == StaticHelper.DefaultAllowedFileExtensions || string.IsNullOrWhiteSpace(serverConfig.AllowedFileExtensions))
             {
                 serverConfig.AllowedFileExtensions = null;

Models/ServerConfig.cs

@@ -67,5 +67,9 @@ namespace CarCareTracker.Models
         [JsonPropertyName("EnableRootUserOIDC")]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
         public bool? EnableRootUserOIDC { get; set; }
+
+        [JsonPropertyName("LUBELOGGER_LOCALE_OVERRIDE")]
+        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+        public string? LocaleOverride { get; set; } = string.Empty;
     }
 }

Models/Settings/ServerSettingsViewModel.cs

@@ -2,7 +2,7 @@ namespace CarCareTracker.Models
 {
     public class ServerSettingsViewModel
     {
-        public string LocaleInfo { get; set; }
+        public string LocaleOverride { get; set; }
         public string PostgresConnection { get; set; }
         public string AllowedFileExtensions { get; set; }
         public string CustomLogoURL { get; set; }
@@ -20,5 +20,6 @@ namespace CarCareTracker.Models
         public string DefaultReminderEmail { get; set; } = string.Empty;
         public bool EnableRootUserOIDC { get; set; }
         public bool EnableAuth { get; set; }
+        public List<string> AvailableLocales { get; set; }
     }
 }

Program.cs

@@ -8,6 +8,7 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.FileProviders;
+using System.Globalization;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -15,6 +16,12 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Configuration.AddJsonFile(StaticHelper.UserConfigPath, optional: true, reloadOnChange: true);
 builder.Configuration.AddJsonFile(StaticHelper.ServerConfigPath, optional: true, reloadOnChange: true);
 
+if (!string.IsNullOrWhiteSpace(builder.Configuration["LUBELOGGER_LOCALE_OVERRIDE"]))
+{
+    CultureInfo.DefaultThreadCurrentCulture = new CultureInfo(builder.Configuration["LUBELOGGER_LOCALE_OVERRIDE"]);
+    CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo(builder.Configuration["LUBELOGGER_LOCALE_OVERRIDE"]);
+}
+
 //Print Messages
 StaticHelper.InitMessage(builder.Configuration);
 //Check Migration

Views/Home/Setup.cshtml

@@ -53,9 +53,18 @@
                         </div>
                     </div>
                 </div>
-               
                 <small class="text-body-secondary">@translator.Translate(userLanguage, "Restart Required")</small>
             </div>
+            <div class="form-group">
+                <label for="inputLocale">@translator.Translate(userLanguage, "Locale Override")</label>
+                <select class="form-select" id="inputLocale">
+                    @foreach(string installedLocale in Model.AvailableLocales)
+                    {
+                        <!option value="@installedLocale" @(Model.LocaleOverride == installedLocale ? "selected" : "")>@installedLocale</!option>
+                    }
+                </select>
+                <small class="text-body-secondary">@translator.Translate(userLanguage, "Leave blank to use system locale. Restart Required")</small>
+            </div>
             <div class="form-group">
                 <label for="inputFileExt">@translator.Translate(userLanguage, "Allowed File Extensions")</label>
                 <input type="text" id="inputFileExt" class="form-control" placeholder="@translator.Translate(userLanguage, "Not Configured")" value="@Model.AllowedFileExtensions">

wwwroot/js/serversettings.js

@@ -41,6 +41,7 @@ function previousSetupPage() {
 }
 function saveSetup() {
     let setupData = {
+        LocaleOverride: $("#inputLocale").val(),
         PostgresConnection: $("#inputPostgres").val(),
         AllowedFileExtensions: $("#inputFileExt").val(),
         CustomLogoURL: $("#inputLogoURL").val(),