35 lines
1.2 KiB
C#
35 lines
1.2 KiB
C#
using ErsatzTV.Core;
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using ErsatzTV.Core.Domain;
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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.MediaCollections;
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public class DeletePlaylistHandler(IDbContextFactory<TvContext> dbContextFactory)
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: IRequestHandler<DeletePlaylist, Option<BaseError>>
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{
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public async Task<Option<BaseError>> Handle(DeletePlaylist request, CancellationToken cancellationToken)
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{
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await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
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Option<Playlist> maybePlaylist = await dbContext.Playlists
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.SelectOneAsync(p => p.Id, p => p.Id == request.PlaylistId, cancellationToken);
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foreach (Playlist playlist in maybePlaylist)
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{
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if (playlist.IsSystem)
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{
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return BaseError.New("Cannot delete system (generated) playlist");
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}
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dbContext.Playlists.Remove(playlist);
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await dbContext.SaveChangesAsync(cancellationToken);
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}
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return maybePlaylist.Match(
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_ => Option<BaseError>.None,
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() => BaseError.New($"Playlist {request.PlaylistId} does not exist."));
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}
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}
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