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Add shared pagination, projections and ownership helpers; simplify query and command handlers

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Admin
2026-09-24 11:59:34 +02:00
parent 5a0f82b77b
commit 4b147d9ee3
84 changed files with 547 additions and 767 deletions
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backend/Core/Musify.Application/Albums/GetAlbumTracks.cs
+10 -21
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@@ -1,12 +1,10 @@
using ErrorOr;
using Mediator;
using Microsoft.EntityFrameworkCore;
using Musify.Application.Albums.Responses;
using Musify.Application.Contracts;
using Musify.Application.Shared;
using Musify.Application.Tracks.Responses;
using X.PagedList;
using X.PagedList.EF;
using Musify.Domain.ValueObjects;
namespace Musify.Application.Albums;
@@ -23,27 +21,18 @@ public class GetAlbumTracksQueryHandler(IDatabase database)
{
var albumExists = await database.Albums
.AsNoTracking()
.AnyAsync(album => album.Id == request.AlbumId && album.LifeCycleStatus == LifeCycleStatus.Active, cancellationToken);
.Active()
.AnyAsync(album => album.Id == request.AlbumId, cancellationToken);
if (!albumExists)
return Error.NotFound();
return AppErrors.NotFound("Album", request.AlbumId);
var tracksQuery = database.AlbumHasTracks
return await database.AlbumHasTracks
.AsNoTracking()
.Include(albumTrack => albumTrack.Track.Owner)
.Include(albumTrack => albumTrack.Track.Tags)
.Where(albumTrack => albumTrack.AlbumId == request.AlbumId && albumTrack.Track.LifeCycleStatus == LifeCycleStatus.Active);
var totalCount = await tracksQuery.CountAsync(cancellationToken);
var pagedEntities = await tracksQuery
.Where(albumTrack => albumTrack.AlbumId == request.AlbumId && albumTrack.Track.LifeCycleStatus == Domain.ValueObjects.LifeCycleStatus.Active)
.OrderBy(albumTrack => albumTrack.TrackNumber)
.Select(albumTrack => new { albumTrack.Track, ListensCount = albumTrack.Track.ListeningHistories.Count(l => l.IsCounted) })
.ToPagedListAsync(request.PageNumber, request.PageSize, totalCount, cancellationToken);
var pagedTracks = new StaticPagedList<TrackApplicationResponse>(
pagedEntities.Select(entry => TrackApplicationResponse.FromEntity(entry.Track, entry.ListensCount)),
pagedEntities.PageNumber, pagedEntities.PageSize, pagedEntities.TotalItemCount);
return PaginatedResponse<TrackApplicationResponse>.FromPagedList(pagedTracks);
.ThenBy(albumTrack => albumTrack.Id)
.Select(albumTrack => albumTrack.Track)
.SelectResponse()
.ToPaginatedAsync(new PageRequest(request.PageNumber, request.PageSize), cancellationToken);
}
}