33 lines
1.1 KiB
C#
33 lines
1.1 KiB
C#
using System.Threading;
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using System.Threading.Tasks;
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using ErsatzTV.Core;
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using ErsatzTV.Core.Interfaces.Repositories;
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using LanguageExt;
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using MediatR;
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namespace ErsatzTV.Application.Playouts.Commands
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{
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public class DeletePlayoutHandler : IRequestHandler<DeletePlayout, Either<BaseError, Task>>
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{
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private readonly IPlayoutRepository _playoutRepository;
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public DeletePlayoutHandler(IPlayoutRepository playoutRepository) =>
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_playoutRepository = playoutRepository;
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public async Task<Either<BaseError, Task>> Handle(
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DeletePlayout request,
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CancellationToken cancellationToken) =>
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(await PlayoutMustExist(request))
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.Map(DoDeletion)
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.ToEither<Task>();
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private Task DoDeletion(int playoutId) => _playoutRepository.Delete(playoutId);
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private async Task<Validation<BaseError, int>> PlayoutMustExist(
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DeletePlayout deletePlayout) =>
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(await _playoutRepository.Get(deletePlayout.PlayoutId))
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.ToValidation<BaseError>($"Playout {deletePlayout.PlayoutId} does not exist.")
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.Map(c => c.Id);
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}
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}
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