32 lines
1.2 KiB
C#
32 lines
1.2 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.Configuration;
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public class UpdateLibraryRefreshIntervalHandler :
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IRequestHandler<UpdateLibraryRefreshInterval, Either<BaseError, Unit>>
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{
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private readonly IConfigElementRepository _configElementRepository;
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public UpdateLibraryRefreshIntervalHandler(IConfigElementRepository configElementRepository) =>
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_configElementRepository = configElementRepository;
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public Task<Either<BaseError, Unit>> Handle(
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UpdateLibraryRefreshInterval request,
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CancellationToken cancellationToken) =>
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Validate(request)
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.MapT(_ => _configElementRepository.Upsert(
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ConfigElementKey.LibraryRefreshInterval,
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request.LibraryRefreshInterval,
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cancellationToken))
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.Bind(v => v.ToEitherAsync());
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private static Task<Validation<BaseError, Unit>> Validate(UpdateLibraryRefreshInterval request) =>
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Optional(request.LibraryRefreshInterval)
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.Where(lri => lri is >= 0 and < 1_000_000)
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.Map(_ => Unit.Default)
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.ToValidation<BaseError>("Library refresh interval must be zero or greater")
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.AsTask();
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}
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