Consume PocketBase for posts and events, with English routes

Elternbeirat.Web/Program.cs

@@ -1,3 +1,5 @@
+using Elternbeirat.Contracts;
+using Elternbeirat.PocketBase;
 using Elternbeirat.Web.Components;
 using Elternbeirat.Web.Features.Events;
 using Elternbeirat.Web.Services;
@@ -8,10 +10,17 @@ var builder = WebApplication.CreateBuilder(args);
 // Add services to the container.
 builder.Services.AddRazorComponents();
 
+// The typed client reads content from PocketBase over its REST API. The base URL
+// comes from configuration: appsettings for local dev, the PocketBase__BaseUrl
+// env var on the server (see compose.yaml).
+var pocketBaseUrl = builder.Configuration["PocketBase:BaseUrl"]
+    ?? throw new InvalidOperationException("PocketBase:BaseUrl is not configured.");
+builder.Services.AddHttpClient<PocketBaseClient>(client =>
+    client.BaseAddress = new Uri(pocketBaseUrl));
+
 // Content is read once at startup and cached -> singletons.
 builder.Services.AddSingleton<PageService>();
 builder.Services.AddSingleton<PostService>();
-builder.Services.AddSingleton<EventService>();
 
 var app = builder.Build();
 
@@ -43,8 +52,21 @@ app.MapStaticAssets();
 app.MapRazorComponents<App>();
 
 // Subscribable calendar feed of all events. A minimal API endpoint rather than
-// a Razor page because it returns text/calendar, not HTML.
-app.MapGet("/termine.ics", (EventService events) =>
-    Results.Text(IcsCalendar.Build(events.All), "text/calendar; charset=utf-8"));
+// a Razor page because it returns text/calendar, not HTML. Reads from PocketBase
+// per request; an unreachable source yields an empty calendar, not a 500.
+app.MapGet("/events.ics", async (PocketBaseClient pocketBase) =>
+{
+    IReadOnlyList<Event> events;
+    try
+    {
+        events = await pocketBase.GetEventsAsync();
+    }
+    catch (HttpRequestException)
+    {
+        events = [];
+    }
+
+    return Results.Text(IcsCalendar.Build(events), "text/calendar; charset=utf-8");
+});
 
 app.Run();