using System.Diagnostics.CodeAnalysis;
using API.Schema.ActionsContext;
using API.Schema.ActionsContext.Actions;
using API.Schema.MangaContext;
using API.Schema.MangaContext.MetadataFetchers;
using Microsoft.EntityFrameworkCore;
namespace API.Workers.PeriodicWorkers;
///
/// Updates Metadata for all Manga
///
///
///
public class UpdateMetadataWorker(TimeSpan? interval = null, IEnumerable? dependsOn = null)
: BaseWorkerWithContexts(dependsOn), IPeriodic
{
public DateTime LastExecution { get; set; } = DateTime.UnixEpoch;
public TimeSpan Interval { get; set; } = interval ?? TimeSpan.FromHours(12);
[SuppressMessage("ReSharper", "InconsistentNaming")]
private MangaContext MangaContext = null!;
[SuppressMessage("ReSharper", "InconsistentNaming")]
private ActionsContext ActionsContext = null!;
protected override void SetContexts(IServiceScope serviceScope)
{
MangaContext = GetContext(serviceScope);
ActionsContext = GetContext(serviceScope);
}
protected override async Task DoWorkInternal()
{
Log.Debug("Updating metadata...");
// Get MetadataEntries of Manga marked for download
List metadataEntriesToUpdate = await MangaContext.MangaConnectorToManga
.Where(m => m.UseForDownload) // Get marked Manga
.Join(
MangaContext.MetadataEntries.Include(e => e.MetadataFetcher).Include(e => e.Manga),
mcId => mcId.ObjId,
e => e.MangaId,
(mcId, e) => e) // return MetadataEntry
.ToListAsync(CancellationToken);
Log.Debug($"Updating metadata of {metadataEntriesToUpdate.Count} manga...");
foreach (MetadataEntry metadataEntry in metadataEntriesToUpdate)
{
Log.Debug($"Updating metadata of {metadataEntry}...");
await metadataEntry.MetadataFetcher.UpdateMetadata(metadataEntry, MangaContext, CancellationToken);
ActionsContext.Actions.Add(new MetadataUpdatedActionRecord(metadataEntry.Manga, metadataEntry.MetadataFetcher));
}
Log.Debug("Updated metadata.");
if(await MangaContext.Sync(CancellationToken, GetType(), System.Reflection.MethodBase.GetCurrentMethod()?.Name) is { success: false } e)
Log.Error($"Failed to save database changes: {e.exceptionMessage}");
if(await ActionsContext.Sync(CancellationToken, GetType(), "Metadata Updated") is { success: false } actionsContextException)
Log.Error($"Failed to save database changes: {actionsContextException.exceptionMessage}");
return [];
}
}