Files
Elternbeirat/Elternbeirat.Web/Features/Faqs/FaqList.razor.cs
T

62 lines
2.1 KiB
C#

using Elternbeirat.Contracts;
using Elternbeirat.PocketBase;
using Elternbeirat.Web.Shared;
using Microsoft.AspNetCore.Components;
namespace Elternbeirat.Web.Features.Faqs;
public partial class FaqList
{
[LoggerMessage(
Level = LogLevel.Error,
Message = "Could not load FAQ topics from PocketBase; content source is unavailable.")]
private static partial void LogSourceUnavailable(
ILogger logger,
Exception exception);
[Inject]
private PocketBaseClient PocketBase { get; set; } = null!;
[Inject]
private ILogger<FaqList> Logger { get; set; } = null!;
[CascadingParameter]
private HttpContext? HttpContext { get; set; }
// The "faqs" page record supplies the heading and intro text, so an editor
// owns them in PocketBase rather than them being hard-coded here. Null until
// loaded, or when no such page exists.
private Page? _page;
private IReadOnlyList<FaqTopic> _topics = [];
// Set when the content source could not be reached or read. The markup then
// shows a "temporarily unavailable" note instead of "no topics", matching
// the 503 this sets on the response.
private bool _unavailable;
// The page body rendered from Markdown to HTML, ready to emit as a
// MarkupString in the markup.
private MarkupString Body => (MarkupString)Markdown.ToHtml(_page?.Body);
protected override async Task OnInitializedAsync()
{
try
{
var token = HttpContext?.RequestAborted ?? CancellationToken.None;
var pages = await PocketBase.GetPagesAsync(token);
_page = pages.FirstOrDefault(
page => string.Equals(page.Slug, "faqs", StringComparison.OrdinalIgnoreCase));
_topics = await PocketBase.GetFaqTopicsAsync(token);
}
catch (PocketBaseUnavailableException exception)
{
// An empty page would claim there are no topics. The site works, its
// data store is down: 503 and an honest note.
LogSourceUnavailable(Logger, exception);
_unavailable = true;
SourceUnavailable.SetStatus(HttpContext);
}
}
}