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100 lines
3.7 KiB
100 lines
3.7 KiB
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 CallJellyfinLibraryScannerHandler : CallLibraryScannerHandler<ISynchronizeJellyfinLibraryById>, |
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IRequestHandler<ForceSynchronizeJellyfinLibraryById, Either<BaseError, string>>, |
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IRequestHandler<SynchronizeJellyfinLibraryByIdIfNeeded, Either<BaseError, string>> |
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{ |
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public CallJellyfinLibraryScannerHandler( |
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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) |
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: base(dbContextFactory, configElementRepository, channel, mediator, runtimeInfo) |
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{ |
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} |
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Task<Either<BaseError, string>> IRequestHandler<ForceSynchronizeJellyfinLibraryById, Either<BaseError, string>>.Handle( |
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ForceSynchronizeJellyfinLibraryById request, |
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CancellationToken cancellationToken) => Handle(request, cancellationToken); |
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Task<Either<BaseError, string>> IRequestHandler<SynchronizeJellyfinLibraryByIdIfNeeded, Either<BaseError, string>>.Handle( |
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SynchronizeJellyfinLibraryByIdIfNeeded request, |
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CancellationToken cancellationToken) => Handle(request, cancellationToken); |
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private async Task<Either<BaseError, string>> Handle( |
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ISynchronizeJellyfinLibraryById request, |
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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, string>>(scanIsNotRequired); |
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} |
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return Task.FromResult<Either<BaseError, string>>(error.Join()); |
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}); |
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} |
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private async Task<Either<BaseError, string>> PerformScan( |
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string scanner, |
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ISynchronizeJellyfinLibraryById 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", request.JellyfinLibraryId.ToString() |
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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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if (request.DeepScan) |
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{ |
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arguments.Add("--deep"); |
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} |
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return await base.PerformScan(scanner, arguments, cancellationToken); |
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} |
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protected override async Task<DateTimeOffset> GetLastScan( |
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TvContext dbContext, |
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ISynchronizeJellyfinLibraryById request) |
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{ |
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DateTime minDateTime = await dbContext.JellyfinLibraries |
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.SelectOneAsync(l => l.Id, l => l.Id == request.JellyfinLibraryId) |
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.Match(l => l.LastScan ?? 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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ISynchronizeJellyfinLibraryById 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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}
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