Admin
28a7c4a98c
Use invariant culture when formatting ids, put cancellation tokens last in endpoint handlers, remove the CS8618 pragmas and keep only the analyzer overrides that still apply.
30 lines
1.1 KiB
C#
30 lines
1.1 KiB
C#
using Mediator;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Contracts;
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using Musify.Application.Genres.Responses;
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using Musify.Domain.ValueObjects;
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namespace Musify.Application.Genres;
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public record GetGenresQuery : IQuery<IReadOnlyList<GenreResponse>>;
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public class GetGenresQueryHandler(IDatabase database)
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: IQueryHandler<GetGenresQuery, IReadOnlyList<GenreResponse>>
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{
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public async ValueTask<IReadOnlyList<GenreResponse>> Handle(GetGenresQuery request, CancellationToken cancellationToken)
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{
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var rows = await database.TrackTags
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.AsNoTracking()
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.Where(tag => tag.Track.LifeCycleStatus == LifeCycleStatus.Active)
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.GroupBy(tag => tag.Tag)
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.Select(group => new { Genre = group.Key, TrackCount = group.Select(tag => tag.TrackId).Distinct().Count() })
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.ToListAsync(cancellationToken);
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return rows
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.OrderByDescending(row => row.TrackCount)
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.ThenBy(row => row.Genre)
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.Select(row => new GenreResponse(row.Genre, row.TrackCount))
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.ToList();
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}
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}
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