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.

backend/Hosts/Musify.Api/Endpoints/AlbumEndpoints.cs

@@ -57,6 +57,15 @@ namespace Musify.Api.Endpoints
                 .Produces<PaginatedResponse<TrackApplicationResponse>>()
                 .Produces(StatusCodes.Status404NotFound);
 
+            group.MapGet("/{id:guid}/tracks/ids", GetAlbumTrackIds)
+                .WithName("GetAlbumTrackIds")
+                .WithSummary("Get the ids of every track in one of your albums, ordered by track number")
+                .RequireAuthorization()
+                .Produces<AlbumTrackIdsResponse>()
+                .Produces(StatusCodes.Status401Unauthorized)
+                .Produces(StatusCodes.Status403Forbidden)
+                .Produces(StatusCodes.Status404NotFound);
+
             group.MapGet("/{id:guid}/cover", GetAlbumCover)
                 .WithName("GetAlbumCover")
                 .WithSummary("Get an album cover image")
@@ -195,6 +204,16 @@ namespace Musify.Api.Endpoints
             return result.ToHttpResult();
         }
 
+        private static async Task<IResult> GetAlbumTrackIds(
+            IMediator mediator,
+            CurrentUser currentUser,
+            Guid id,
+            CancellationToken cancellationToken)
+        {
+            var result = await mediator.Send(new GetAlbumTrackIdsQuery(currentUser.RequiredId, id), cancellationToken);
+            return result.ToHttpResult();
+        }
+
         private static Task<IResult> GetAlbumCover(
             IMediator mediator,
             IStorageService storageService,