Consume PocketBase for posts and events, with English routes

Elternbeirat.Web/Features/Posts/PostDetail.razor.cs

@@ -1,5 +1,7 @@
 using System.Globalization;
-using Elternbeirat.Web.Services;
+using Elternbeirat.Contracts;
+using Elternbeirat.PocketBase;
+using Elternbeirat.Web.Shared;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Http;
 
@@ -9,23 +11,49 @@ public partial class PostDetail
 {
     private static readonly CultureInfo German = CultureInfo.GetCultureInfo("de-DE");
 
+    [LoggerMessage(Level = LogLevel.Warning, Message = "Could not load post '{slug}' from PocketBase.")]
+    private static partial void LogLoadFailed(ILogger logger, string slug, Exception exception);
+
     [Parameter]
     public string Slug { get; set; } = "";
 
+    [Inject]
+    private PocketBaseClient PocketBase { get; set; } = default!;
+
+    [Inject]
+    private ILogger<PostDetail> Logger { get; set; } = default!;
+
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
     private Post? _post;
 
-    protected override void OnParametersSet()
-    {
-        _post = PostService.Find(Slug);
+    // The post body rendered from Markdown to HTML, ready to emit as a
+    // MarkupString in the markup.
+    private MarkupString Body => (MarkupString)Markdown.ToHtml(_post?.Body);
 
-        // Unknown slug -> 404, so UseStatusCodePagesWithReExecute serves the
-        // /not-found page instead of an empty 200 response.
+    protected override async Task OnParametersSetAsync()
+    {
+        try
+        {
+            var posts = await PocketBase.GetPostsAsync();
+            _post = posts.FirstOrDefault(
+                p => string.Equals(p.Slug, Slug, StringComparison.OrdinalIgnoreCase));
+        }
+        catch (HttpRequestException ex)
+        {
+            // Source unreachable -> treat as "not found" rather than a 500. The
+            // 404 branch below serves the friendly /not-found page.
+            LogLoadFailed(Logger, Slug, ex);
+            _post = null;
+        }
+
+        // Unknown slug (or unreachable source) -> 404, so
+        // UseStatusCodePagesWithReExecute serves the /not-found page instead of an
+        // empty 200 response.
         if (_post is null && HttpContext is not null)
         {
             HttpContext.Response.StatusCode = StatusCodes.Status404NotFound;
         }
     }
-
-    [CascadingParameter]
-    private HttpContext? HttpContext { get; set; }
 }