Files
Musify/backend/Core/Musify.Application/Tracks/GetTrackById.cs
T
Admin ea9bf07126 Clean up Application layer commands/queries readability and correctness
Add missing AsNoTracking() on read-only queries, drop redundant
Update() calls on already-tracked entities, and fix inconsistent
formatting (stray spaces in generics, ternaries, and lambdas) across
the Albums/Tracks/PlayLists/Users command and query handlers.
2026-09-20 22:23:57 +02:00

31 lines
1.1 KiB
C#

using ErrorOr;
using Mediator;
using Microsoft.EntityFrameworkCore;
using Musify.Application.Contracts;
using Musify.Application.Tracks.Responses;
namespace Musify.Application.Tracks
{
public record GetTrackByIdQuery(Guid TrackId)
: IQuery<ErrorOr<TrackApplicationResponse>>;
public class GetTrackByIdQueryHandler(IDatabase database)
: IQueryHandler<GetTrackByIdQuery, ErrorOr<TrackApplicationResponse>>
{
public async ValueTask<ErrorOr<TrackApplicationResponse>> Handle(GetTrackByIdQuery request, CancellationToken cancellationToken)
{
var entity = await database.Tracks.AsNoTracking()
.Include(t => t.Owner)
.Include(t => t.Tags)
.Where(t => t.Id == request.TrackId)
.Select(t => new { Track = t, ListensCount = t.ListeningHistories.Count })
.SingleOrDefaultAsync(cancellationToken);
if (entity == null)
return Error.NotFound();
return TrackApplicationResponse.FromEntity(entity.Track, entity.ListensCount);
}
}
}