31 lines
1.1 KiB
C#
31 lines
1.1 KiB
C#
using ErrorOr;
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using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Contracts;
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using Musify.Application.Mixes.Responses;
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namespace Musify.Application.Mixes;
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public record GetMixByIdQuery(long UserId, Guid MixId)
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: IQuery<ErrorOr<MixApplicationResponse>>;
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public class GetMixByIdQueryHandler(IDatabase database)
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: IQueryHandler<GetMixByIdQuery, ErrorOr<MixApplicationResponse>>
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{
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public async ValueTask<ErrorOr<MixApplicationResponse>> Handle(GetMixByIdQuery request, CancellationToken cancellationToken)
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{
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var mix = await database.Mixes
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.AsNoTracking()
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.Include(mix => mix.Items)
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.SingleOrDefaultAsync(mix => mix.Id == request.MixId && mix.UserId == request.UserId, cancellationToken);
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if (mix == null)
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return Error.NotFound(description: $"Mix {request.MixId} was not found");
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var orderedItems = mix.Items.OrderBy(item => item.Position).ToList();
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var items = await MixItemMapper.ToResponsesAsync(database, orderedItems, cancellationToken);
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return new MixApplicationResponse(mix.Id, mix.Title, mix.Subtitle, items.Count, items);
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}
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}
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