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Improved CancellationToken usage, Added more logging to Workers, Added Code-comments (please future me, be thankful)

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glax
2025-09-02 19:36:06 +02:00
parent 6fa166363a
commit 55f04710a7
16 changed files with 235 additions and 121 deletions
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33
API/Workers/MangaDownloadWorkers/DownloadCoverFromMangaconnectorWorker.cs
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@@ -4,23 +4,42 @@ using Microsoft.EntityFrameworkCore;
namespace API.Workers;
/// <summary>
/// Downloads the cover for Manga from Mangaconnector
/// </summary>
public class DownloadCoverFromMangaconnectorWorker(MangaConnectorId<Manga> mcId, IEnumerable<BaseWorker>? dependsOn = null)
: BaseWorkerWithContext<MangaContext>(dependsOn)
{
internal readonly string MangaConnectorIdId = mcId.Key;
protected override async Task<BaseWorker[]> DoWorkInternal()
{
if (await DbContext.MangaConnectorToManga.FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId) is not { } mangaConnectorId)
Log.Debug($"Getting Cover for MangaConnectorId {MangaConnectorIdId}...");
// Getting MangaConnector info
if (await DbContext.MangaConnectorToManga
.Include(id => id.Obj)
.FirstOrDefaultAsync(c => c.Key == MangaConnectorIdId, CancellationToken) is not { } mangaConnectorId)
{
Log.Error("Could not get MangaConnectorId.");
return []; //TODO Exception?
}
if (!Tranga.TryGetMangaConnector(mangaConnectorId.MangaConnectorName, out MangaConnector? mangaConnector))
{
Log.Error("Could not get MangaConnector.");
return []; //TODO Exception?
await DbContext.Entry(mangaConnectorId).Navigation(nameof(MangaConnectorId<Manga>.Obj)).LoadAsync(CancellationTokenSource.Token);
Manga manga = mangaConnectorId.Obj;
manga.CoverFileNameInCache = mangaConnector.SaveCoverImageToCache(mangaConnectorId);
}
Log.Debug($"Getting Cover for MangaConnectorId {mangaConnectorId}...");
await DbContext.Sync(CancellationTokenSource.Token);
string? coverFileName = mangaConnector.SaveCoverImageToCache(mangaConnectorId);
if (coverFileName is null)
{
Log.Error($"Could not get Cover for MangaConnectorId {mangaConnectorId}.");
return [];
}
DbContext.Entry(mangaConnectorId.Obj).Property(m => m.CoverFileNameInCache).CurrentValue = coverFileName;
if(await DbContext.Sync(CancellationToken) is { success: false } e)
Log.Error($"Failed to save database changes: {e.exceptionMessage}");
return [];
}