Centralize the home slug check on Page, case-insensitively

Elternbeirat.Contracts/Page.cs

@@ -13,6 +13,12 @@ namespace Elternbeirat.Contracts;
 /// </remarks>
 public record Page
 {
+    /// <summary>
+    ///     The slug of the home page, which is served at the site root <c>/</c> rather
+    ///     than at <c>/home</c>. Reserved: no other page may use it.
+    /// </summary>
+    private const string HomeSlug = "home";
+
     /// <summary>
     ///     Gets the PocketBase record id.
     /// </summary>
@@ -76,4 +82,18 @@ public record Page
     /// </summary>
     [JsonPropertyName("public")]
     public bool Public { get; init; }
+
+    /// <summary>
+    ///     Tests whether a slug is the home page's, ignoring case. This is the single
+    ///     definition of that comparison, so every caller treats <c>home</c> and
+    ///     <c>Home</c> alike.
+    /// </summary>
+    /// <param name="slug">
+    ///     The slug to test.
+    /// </param>
+    /// <returns>
+    ///     <see langword="true"/> if <paramref name="slug"/> is the home page's slug.
+    /// </returns>
+    public static bool IsHomeSlug(string slug) =>
+        string.Equals(slug, HomeSlug, StringComparison.OrdinalIgnoreCase);
 }

Elternbeirat.Web/Features/Home/Home.razor.cs

@@ -1,3 +1,4 @@
+using Elternbeirat.Contracts;
 using Elternbeirat.PocketBase;
 using Microsoft.AspNetCore.Components;
 
@@ -5,14 +6,18 @@ namespace Elternbeirat.Web.Features.Home;
 
 public partial class Home
 {
-    [LoggerMessage(Level = LogLevel.Warning, Message = "Could not load the home page from PocketBase.")]
-    private static partial void LogLoadFailed(ILogger logger, Exception exception);
+    [LoggerMessage(
+        Level = LogLevel.Warning,
+        Message = "Could not load the home page from PocketBase.")]
+    private static partial void LogLoadFailed(
+        ILogger logger,
+        Exception exception);
 
     [Inject]
-    private PocketBaseClient PocketBase { get; set; } = default!;
+    private PocketBaseClient PocketBase { get; set; } = null!;
 
     [Inject]
-    private ILogger<Home> Logger { get; set; } = default!;
+    private ILogger<Home> Logger { get; set; } = null!;
 
     // Which dynamic blocks the home page shows is editorial: it comes from the
     // "home" page's embed field in PocketBase, not from hard-coded markup.
@@ -23,14 +28,13 @@ public partial class Home
         try
         {
             var pages = await PocketBase.GetPagesAsync();
-            var home = pages.FirstOrDefault(
-                p => string.Equals(p.Slug, "home", StringComparison.Ordinal));
+            var home = pages.FirstOrDefault(page => Page.IsHomeSlug(page.Slug));
             _embed = home?.Embed ?? [];
         }
-        catch (HttpRequestException ex)
+        catch (HttpRequestException exception)
         {
             // Source unreachable -> render the intro without embeds instead of a 500.
-            LogLoadFailed(Logger, ex);
+            LogLoadFailed(Logger, exception);
         }
     }
 }

Elternbeirat.Web/Features/Layout/NavBuilder.cs

@@ -17,7 +17,9 @@ public static class NavBuilder
     public static IReadOnlyList<NavLinkItem> Footer(IReadOnlyList<Page> pages) =>
         Build(pages, "footer");
 
-    private static List<NavLinkItem> Build(IReadOnlyList<Page> pages, string location) =>
+    private static List<NavLinkItem> Build(
+        IReadOnlyList<Page> pages,
+        string location) =>
         [.. pages
             .Where(page => string.Equals(page.Location, location, StringComparison.Ordinal))
             .OrderBy(page => page.Order)
@@ -27,5 +29,5 @@ public static class NavBuilder
     // reached at "/{slug}", where either a literal route or the catch-all content
     // page renders it.
     private static string HrefFor(string slug) =>
-        string.Equals(slug, "home", StringComparison.Ordinal) ? "/" : $"/{slug}";
+        Page.IsHomeSlug(slug) ? "/" : $"/{slug}";
 }