86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
using System.Globalization;
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using System.Threading.Channels;
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using ErsatzTV.Application.Libraries;
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using ErsatzTV.Core;
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using ErsatzTV.Core.Errors;
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using ErsatzTV.Core.Interfaces.Repositories;
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using ErsatzTV.FFmpeg.Runtime;
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using ErsatzTV.Infrastructure.Data;
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using ErsatzTV.Infrastructure.Extensions;
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using Microsoft.EntityFrameworkCore;
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namespace ErsatzTV.Application.Jellyfin;
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public class CallJellyfinCollectionScannerHandler : CallLibraryScannerHandler<SynchronizeJellyfinCollections>,
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IRequestHandler<SynchronizeJellyfinCollections, Either<BaseError, Unit>>
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{
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public CallJellyfinCollectionScannerHandler(
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IDbContextFactory<TvContext> dbContextFactory,
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IConfigElementRepository configElementRepository,
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ChannelWriter<ISearchIndexBackgroundServiceRequest> channel,
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IMediator mediator,
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IRuntimeInfo runtimeInfo) : base(dbContextFactory, configElementRepository, channel, mediator, runtimeInfo)
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{
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}
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public async Task<Either<BaseError, Unit>>
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Handle(SynchronizeJellyfinCollections request, CancellationToken cancellationToken)
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{
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Validation<BaseError, string> validation = await Validate(request);
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return await validation.Match(
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scanner => PerformScan(scanner, request, cancellationToken),
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error =>
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{
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foreach (ScanIsNotRequired scanIsNotRequired in error.OfType<ScanIsNotRequired>())
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{
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return Task.FromResult<Either<BaseError, Unit>>(scanIsNotRequired);
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}
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return Task.FromResult<Either<BaseError, Unit>>(error.Join());
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});
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}
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protected override async Task<DateTimeOffset> GetLastScan(
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TvContext dbContext,
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SynchronizeJellyfinCollections request)
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{
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DateTime minDateTime = await dbContext.JellyfinMediaSources
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.SelectOneAsync(l => l.Id, l => l.Id == request.JellyfinMediaSourceId)
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.Match(l => l.LastCollectionsScan ?? SystemTime.MinValueUtc, () => SystemTime.MaxValueUtc);
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return new DateTimeOffset(minDateTime, TimeSpan.Zero);
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}
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protected override bool ScanIsRequired(
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DateTimeOffset lastScan,
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int libraryRefreshInterval,
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SynchronizeJellyfinCollections request)
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{
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if (lastScan == SystemTime.MaxValueUtc)
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{
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return false;
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}
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DateTimeOffset nextScan = lastScan + TimeSpan.FromHours(libraryRefreshInterval);
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return request.ForceScan || libraryRefreshInterval > 0 && nextScan < DateTimeOffset.Now;
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}
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private async Task<Either<BaseError, Unit>> PerformScan(
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string scanner,
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SynchronizeJellyfinCollections request,
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CancellationToken cancellationToken)
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{
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var arguments = new List<string>
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{
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"scan-jellyfin-collections", request.JellyfinMediaSourceId.ToString(CultureInfo.InvariantCulture)
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};
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if (request.ForceScan)
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{
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arguments.Add("--force");
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}
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return await base.PerformScan(scanner, arguments, cancellationToken).MapT(_ => Unit.Default);
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}
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}
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