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

55 lines
1.9 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 FAQs 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; }
private IReadOnlyList<IGrouping<FaqTopic, Faq>> _groups = [];
// Set when the content source could not be reached or read. The markup then
// shows a "temporarily unavailable" note instead of "no questions", matching
// the 503 this sets on the response.
private bool _unavailable;
protected override async Task OnInitializedAsync()
{
try
{
var faqs = await PocketBase.GetFaqsAsync(HttpContext?.RequestAborted ?? CancellationToken.None);
// GetFaqsAsync sorts by topic.order first, so grouping in encounter order
// keeps the topic groups in the order an editor gave the topics. Entries
// without an expanded topic have no group and are skipped rather than
// grouped under a null heading.
_groups = [.. faqs.Where(faq => faq.Topic is not null).GroupBy(faq => faq.Topic!)];
}
catch (PocketBaseUnavailableException exception)
{
// An empty page would claim there are no questions. The site works, its
// data store is down: 503 and an honest note.
LogSourceUnavailable(Logger, exception);
_unavailable = true;
SourceUnavailable.SetStatus(HttpContext);
}
}
}