49 lines
2.1 KiB
C#
49 lines
2.1 KiB
C#
using ErsatzTV.Core;
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using ErsatzTV.Core.Domain;
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using ErsatzTV.Core.Interfaces.Repositories;
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namespace ErsatzTV.Application.Plex;
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public class
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UpdatePlexPathReplacementsHandler : IRequestHandler<UpdatePlexPathReplacements, Either<BaseError, Unit>>
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{
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private readonly IMediaSourceRepository _mediaSourceRepository;
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public UpdatePlexPathReplacementsHandler(IMediaSourceRepository mediaSourceRepository) =>
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_mediaSourceRepository = mediaSourceRepository;
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public Task<Either<BaseError, Unit>> Handle(
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UpdatePlexPathReplacements request,
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CancellationToken cancellationToken) =>
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Validate(request, cancellationToken)
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.MapT(pms => MergePathReplacements(request, pms))
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.Bind(v => v.ToEitherAsync());
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private Task<Unit> MergePathReplacements(UpdatePlexPathReplacements request, PlexMediaSource plexMediaSource)
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{
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plexMediaSource.PathReplacements ??= [];
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var incoming = request.PathReplacements.Map(Project).ToList();
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var toAdd = incoming.Filter(r => r.Id < 1).ToList();
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var toRemove = plexMediaSource.PathReplacements.Filter(r => incoming.All(pr => pr.Id != r.Id)).ToList();
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var toUpdate = incoming.Except(toAdd).ToList();
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return _mediaSourceRepository.UpdatePathReplacements(plexMediaSource.Id, toAdd, toUpdate, toRemove);
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}
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private static PlexPathReplacement Project(PlexPathReplacementItem vm) =>
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new() { Id = vm.Id, PlexPath = vm.PlexPath, LocalPath = vm.LocalPath };
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private Task<Validation<BaseError, PlexMediaSource>> Validate(
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UpdatePlexPathReplacements request,
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CancellationToken cancellationToken) =>
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PlexMediaSourceMustExist(request, cancellationToken);
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private Task<Validation<BaseError, PlexMediaSource>> PlexMediaSourceMustExist(
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UpdatePlexPathReplacements request,
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CancellationToken cancellationToken) =>
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_mediaSourceRepository.GetPlex(request.PlexMediaSourceId, cancellationToken)
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.Map(v => v.ToValidation<BaseError>($"Plex media source {request.PlexMediaSourceId} does not exist."));
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}
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