Tom/Elternbeirat
1
0 Fork 0
Code Issues 23 Pull Requests Actions Packages Projects Releases Wiki Activity

Serve 503 when PocketBase is unavailable across all content pages

Browse Source
This commit is contained in:
tleininger committed 2026-09-24 13:00:14 +02:00
1 parent 0f7e968c16
commit e242eaf79a
25 files changed
+492 -253
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

Elternbeirat.Web/Features/Events/EventList.razor
+51 -44
View File
@@ -4,53 +4,60 @@
<h1>Termine</h1>
<p class="intro">
Alle Termine des Elternbeirats auf einen Blick. Sie können den Kalender auch
<a href="/events.ics">abonnieren</a> und in Ihrer Kalender-App automatisch
aktuell halten.
</p>
<h2>Kommende Termine</h2>
@if (_upcoming.Count == 0)
@if (_unavailable)
{
<p>Zurzeit sind keine Termine geplant.</p>
<p>Die Termine sind gerade nicht erreichbar. Bitte später erneut versuchen.</p>
}
else
{
<ul class="event-list">
@foreach (var ev in _upcoming)
{
<li>
<time datetime="@ev.Start.ToString("s")">@EventFormat.Range(ev)</time>
<span class="event-title">@ev.Title</span>
@if (!string.IsNullOrWhiteSpace(ev.Location))
{
<span class="event-location">@ev.Location</span>
}
@if (!string.IsNullOrWhiteSpace(ev.Note))
{
<p class="event-note">@ev.Note</p>
}
</li>
}
</ul>
}
<p class="intro">
Alle Termine des Elternbeirats auf einen Blick. Sie können den Kalender auch
<a href="/events.ics">abonnieren</a> und in Ihrer Kalender-App automatisch
aktuell halten.
</p>
@if (_past.Count > 0)
{
<h2>Vergangene Termine</h2>
<ul class="event-list event-list-past">
@foreach (var ev in _past)
{
<li>
<time datetime="@ev.Start.ToString("s")">@EventFormat.Range(ev)</time>
<span class="event-title">@ev.Title</span>
@if (!string.IsNullOrWhiteSpace(ev.Location))
{
<span class="event-location">@ev.Location</span>
}
</li>
}
</ul>
<h2>Kommende Termine</h2>
@if (_upcoming.Count == 0)
{
<p>Zurzeit sind keine Termine geplant.</p>
}
else
{
<ul class="event-list">
@foreach (var ev in _upcoming)
{
<li>
<time datetime="@ev.Start.ToString("s")">@EventFormat.Range(ev)</time>
<span class="event-title">@ev.Title</span>
@if (!string.IsNullOrWhiteSpace(ev.Location))
{
<span class="event-location">@ev.Location</span>
}
@if (!string.IsNullOrWhiteSpace(ev.Note))
{
<p class="event-note">@ev.Note</p>
}
</li>
}
</ul>
}
@if (_past.Count > 0)
{
<h2>Vergangene Termine</h2>
<ul class="event-list event-list-past">
@foreach (var ev in _past)
{
<li>
<time datetime="@ev.Start.ToString("s")">@EventFormat.Range(ev)</time>
<span class="event-title">@ev.Title</span>
@if (!string.IsNullOrWhiteSpace(ev.Location))
{
<span class="event-location">@ev.Location</span>
}
</li>
}
</ul>
}
}
Elternbeirat.Web/Features/Events/EventList.razor.cs
+36 -17
View File
@@ -1,48 +1,67 @@
using Elternbeirat.Contracts;
using Elternbeirat.PocketBase;
using Elternbeirat.Web.Shared;
using Microsoft.AspNetCore.Components;
namespace Elternbeirat.Web.Features.Events;
public partial class EventList
{
[LoggerMessage(Level = LogLevel.Warning, Message = "Could not load events from PocketBase.")]
private static partial void LogLoadFailed(ILogger logger, Exception exception);
[LoggerMessage(
Level = LogLevel.Error,
Message = "Could not load events from PocketBase; content source is unavailable.")]
private static partial void LogSourceUnavailable(
ILogger logger,
Exception exception);
[Inject]
private PocketBaseClient PocketBase { get; set; } = default!;
private PocketBaseClient PocketBase { get; set; } = null!;
[Inject]
private ILogger<EventList> Logger { get; set; } = default!;
private ILogger<EventList> Logger { get; set; } = null!;
[CascadingParameter]
private HttpContext? HttpContext { get; set; }
private IReadOnlyList<Event> _upcoming = [];
private IReadOnlyList<Event> _past = [];
// Set when the content source could not be reached or read. The markup then
// shows a "temporarily unavailable" note instead of "no events", matching the
// 503 this sets on the response.
private bool _unavailable;
protected override async Task OnInitializedAsync()
{
IReadOnlyList<Event> events;
try
{
events = await PocketBase.GetEventsAsync();
events = await PocketBase.GetEventsAsync(HttpContext?.RequestAborted ?? CancellationToken.None);
}
catch (HttpRequestException ex)
catch (PocketBaseUnavailableException exception)
{
// Source unreachable -> show empty sections instead of a 500. The page
// stays up; the "keine Termine" note is rendered.
LogLoadFailed(Logger, ex);
// Empty sections would claim there are no events. The site works, its
// data store is down: 503 and an honest note.
LogSourceUnavailable(Logger, exception);
_unavailable = true;
SourceUnavailable.SetStatus(HttpContext);
return;
}
// Split into upcoming and past by date, so an event earlier today still
// counts as upcoming. Upcoming earliest first, past most recent first.
var today = DateOnly.FromDateTime(DateTime.Today);
_upcoming = events
.Where(e => DateOnly.FromDateTime(e.Start) >= today)
.OrderBy(e => e.Start)
.ToList();
_past = events
.Where(e => DateOnly.FromDateTime(e.Start) < today)
.OrderByDescending(e => e.Start)
.ToList();
_upcoming =
[
.. events
.Where(@event => DateOnly.FromDateTime(@event.Start) >= today)
.OrderBy(@event => @event.Start)
];
_past =
[
.. events
.Where(@event => DateOnly.FromDateTime(@event.Start) < today)
.OrderByDescending(@event => @event.Start)
];
}
}