31 lines
1.2 KiB
C#
31 lines
1.2 KiB
C#
using ErsatzTV.Core;
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using ErsatzTV.Core.Domain;
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using ErsatzTV.Core.FFmpeg;
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using ErsatzTV.Core.Interfaces.Repositories;
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namespace ErsatzTV.Application.Streaming;
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public class
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GetConcatPlaylistByChannelNumberHandler : IRequestHandler<GetConcatPlaylistByChannelNumber,
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Either<BaseError, ConcatPlaylist>>
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{
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private readonly IChannelRepository _channelRepository;
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public GetConcatPlaylistByChannelNumberHandler(IChannelRepository channelRepository) =>
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_channelRepository = channelRepository;
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public Task<Either<BaseError, ConcatPlaylist>> Handle(
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GetConcatPlaylistByChannelNumber request,
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CancellationToken cancellationToken) =>
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Validate(request)
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.MapT(channel => new ConcatPlaylist(request.Scheme, request.Host, channel.Number))
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.Map(v => v.ToEither<ConcatPlaylist>());
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private Task<Validation<BaseError, Channel>> Validate(GetConcatPlaylistByChannelNumber request) =>
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ChannelMustExist(request);
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private async Task<Validation<BaseError, Channel>> ChannelMustExist(GetConcatPlaylistByChannelNumber request) =>
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(await _channelRepository.GetByNumber(request.ChannelNumber))
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.ToValidation<BaseError>($"Channel number {request.ChannelNumber} does not exist.");
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}
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