Added language switcher to footer

Wave/Components/Layout/MainLayout.razor

@@ -1,5 +1,10 @@
-@inherits LayoutComponentBase
+@using System.Globalization
+@using System.Net
+@using Microsoft.Extensions.Options
+@inherits LayoutComponentBase
 
+@inject NavigationManager Navigation
+@inject IOptions<RequestLocalizationOptions> LocalizationOptions
 @inject IStringLocalizer<MainLayout> Localizer
 
 <div class="drawer md:drawer-open drawer-end">
@@ -19,16 +24,32 @@
 			<main class="flex-1 container mx-auto px-12 py-8">
 				@Body
 			</main>
-			<footer class="flex flex-col md:flex-row items-center justify-center p-4 gap-y-3 bg-base-300 text-base-content">
+			<footer class="flex flex-col md:flex-row items-center justify-center p-4 gap-y-3 gap-x-4 bg-base-300 text-base-content">
 				<span class="flex-1 text-center md:text-left">
 					Powered by 
 					<a class="link link-primary" target="_blank" href="https://github.com/miawinter98/Wave">Wave</a>
 				</span>
-				<div class="join w-full md:max-w-64">
-					<button type="button" class="btn btn-secondary btn-sm no-animation join-item">
+				<div class="join w-56">
+					<button type="button" class="btn btn-sm btn-neutral btn-square no-animation join-item">
+						<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-6 h-6">
+							<path d="M21.721 12.752a9.711 9.711 0 0 0-.945-5.003 12.754 12.754 0 0 1-4.339 2.708 18.991 18.991 0 0 1-.214 4.772 17.165 17.165 0 0 0 5.498-2.477ZM14.634 15.55a17.324 17.324 0 0 0 .332-4.647c-.952.227-1.945.347-2.966.347-1.021 0-2.014-.12-2.966-.347a17.515 17.515 0 0 0 .332 4.647 17.385 17.385 0 0 0 5.268 0ZM9.772 17.119a18.963 18.963 0 0 0 4.456 0A17.182 17.182 0 0 1 12 21.724a17.18 17.18 0 0 1-2.228-4.605ZM7.777 15.23a18.87 18.87 0 0 1-.214-4.774 12.753 12.753 0 0 1-4.34-2.708 9.711 9.711 0 0 0-.944 5.004 17.165 17.165 0 0 0 5.498 2.477ZM21.356 14.752a9.765 9.765 0 0 1-7.478 6.817 18.64 18.64 0 0 0 1.988-4.718 18.627 18.627 0 0 0 5.49-2.098ZM2.644 14.752c1.682.971 3.53 1.688 5.49 2.099a18.64 18.64 0 0 0 1.988 4.718 9.765 9.765 0 0 1-7.478-6.816ZM13.878 2.43a9.755 9.755 0 0 1 6.116 3.986 11.267 11.267 0 0 1-3.746 2.504 18.63 18.63 0 0 0-2.37-6.49ZM12 2.276a17.152 17.152 0 0 1 2.805 7.121c-.897.23-1.837.353-2.805.353-.968 0-1.908-.122-2.805-.353A17.151 17.151 0 0 1 12 2.276ZM10.122 2.43a18.629 18.629 0 0 0-2.37 6.49 11.266 11.266 0 0 1-3.746-2.504 9.754 9.754 0 0 1 6.116-3.985Z" />
+						</svg>
+					</button>
+					<select class="select select-bordered select-sm md:text-center join-item min-w-0 flex-1"
+							onchange="window.location = `/language/${this.value}?returnUrl=@WebUtility.UrlEncode("/" + Navigation.ToBaseRelativePath(Navigation.Uri))`">
+						@foreach (var culture in LocalizationOptions.Value.SupportedCultures ?? new List<CultureInfo>()) {
+							<option value="@culture"
+							        selected="@(CultureInfo.CurrentUICulture.Equals(culture))">
+								@culture.NativeName
+							</option>
+						}
+					</select>
+				</div>
+				<div class="join w-56">
+					<button type="button" class="btn btn-sm btn-neutral no-animation join-item">
 						@Localizer["Theme_Label"]
 					</button>
-					<select data-choose-theme class="select select-bordered select-secondary select-sm join-item flex-1">
+					<select data-choose-theme class="select select-bordered select-sm md:text-center join-item min-w-0 flex-1">
 						<option value="">@Localizer["Theme_Default"]</option>
 						<option value="wave-light">@Localizer["Theme_WaveLight"]</option>
 						<option value="wave-dark">@Localizer["Theme_WaveDark"]</option>

Wave/Controllers/LanguageController.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Localization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Wave.Controllers;
+
+[ApiController]
+[Route("/language")]
+public class LanguageController : ControllerBase {
+    [HttpGet("{culture}")]
+    public IActionResult SetLanguage(string culture, string returnUrl = "") {
+        Response.Cookies.Append(
+            CookieRequestCultureProvider.DefaultCookieName,
+            CookieRequestCultureProvider.MakeCookieValue(new RequestCulture(culture)),
+            new CookieOptions { Expires = DateTimeOffset.UtcNow.AddYears(1) }
+        );
+
+        return LocalRedirect(string.IsNullOrWhiteSpace(returnUrl) ? "/" : returnUrl);
+    }
+}

Wave/Program.cs

@@ -5,6 +5,7 @@
 using Microsoft.AspNetCore.DataProtection.AuthenticatedEncryption.ConfigurationModel;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Diagnostics.Metrics;
 using Microsoft.Extensions.Options;
 using StackExchange.Redis;
@@ -111,6 +112,17 @@
 
 #endregion
 
+
+string[] cultures = ["en-US", "en-GB", "de-DE"];
+builder.Services.Configure<RequestLocalizationOptions>(options => {
+    options.ApplyCurrentCultureToResponseHeaders = true;
+    options.FallBackToParentCultures = true;
+    options.FallBackToParentUICultures = true;
+    options.SetDefaultCulture(cultures[0])
+        .AddSupportedCultures(cultures)
+        .AddSupportedUICultures(cultures);
+});
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
@@ -130,14 +142,7 @@
 
 app.MapControllers();
 
-string[] cultures = ["en-US", "en-GB", "de-DE"];
-app.UseRequestLocalization(new RequestLocalizationOptions {
-        ApplyCurrentCultureToResponseHeaders = true,
-        FallBackToParentCultures = true, FallBackToParentUICultures = true
-    }
-    .SetDefaultCulture(cultures[0])
-    .AddSupportedCultures(cultures)
-    .AddSupportedUICultures(cultures));
+app.UseRequestLocalization();
 
 {
     using var scope = app.Services.CreateScope();