Add track status filter and counts, album track ids and bulk track deletion

GET /tracks/users/{userId} accepts repeated status values and returns the albums each track belongs to. GET /tracks/users/{userId}/status-counts, GET /albums/{id}/tracks/ids and DELETE /tracks with a list of track ids are new.
2026-09-25 01:14:59 +02:00
parent 9928840577
commit d839a72700
18 changed files with 773 additions and 8 deletions
@@ -0,0 +1,60 @@
+using ErrorOr;
+using Mediator;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Musify.Application.Contracts;
+using Musify.Application.Events;
+using Musify.Application.Shared;
+using Musify.Application.Tracks.Responses;
+using Musify.Domain.ValueObjects;
+
+namespace Musify.Application.Tracks
+{
+    public record DeleteTracksCommand(long UserId, IReadOnlyList<Guid> TrackIds)
+        : ICommand<ErrorOr<DeleteTracksResponse>>;
+
+    public class DeleteTracksCommandHandler(
+        IDatabase database,
+        IEventBus eventBus,
+        ILogger<DeleteTracksCommandHandler> logger)
+        : ICommandHandler<DeleteTracksCommand, ErrorOr<DeleteTracksResponse>>
+    {
+        public async ValueTask<ErrorOr<DeleteTracksResponse>> Handle(DeleteTracksCommand request, CancellationToken cancellationToken)
+        {
+            var requestedIds = request.TrackIds.Distinct().ToList();
+
+            var tracks = await database.Tracks
+                .Where(track => requestedIds.Contains(track.Id) && track.LifeCycleStatus == LifeCycleStatus.Active)
+                .ToListAsync(cancellationToken);
+
+            var foreign = tracks.FirstOrDefault(track => track.OwnerUserId != request.UserId);
+            if (foreign != null)
+                return AppErrors.Forbidden("Track", foreign.Id);
+
+            var deleted = new List<Guid>();
+            var failed = new List<Guid>();
+
+            foreach (var trackId in requestedIds)
+            {
+                var track = tracks.SingleOrDefault(candidate => candidate.Id == trackId);
+                if (track == null || track.Audio.IsInProgress)
+                {
+                    failed.Add(trackId);
+                    continue;
+                }
+
+                track.LifeCycleStatus = LifeCycleStatus.Removing;
+                await eventBus.PublishAsync(new DeleteTrackEvent(track.Id, request.UserId), cancellationToken);
+                deleted.Add(trackId);
+            }
+
+            if (deleted.Count > 0)
+            {
+                await database.SaveChangesAsync(cancellationToken);
+                logger.LogInformation("Marked {Count} tracks of user {UserId} as removing", deleted.Count, request.UserId);
+            }
+
+            return new DeleteTracksResponse(deleted, failed);
+        }
+    }
+}