private async Task <IPagedCollection <TrackDetail> > GetTrackList(GetTrackListQuery request)
{
var filter = _filterBuilder
.WhereAlbumLike(request.Album)
.WhereArtistLike(request.Artist)
.WhereComposerLike(request.Composer)
.WhereGenreLike(request.Genre)
.WhereMediaTypeLike(request.MediaType)
.WhereNameLike(request.Name)
.WherePrice(request.PriceFrom, request.PriceTo)
.WherePlaylistIdEquals(request.PlaylistId)
.Filter;
var tracksFromDb = await _context
.Tracks
.TagWithQueryName(nameof(GetTrackList))
.AsNoTracking()
.Where(filter)
.Include(track => track.Genre)
.Include(track => track.Album !.Artist)
.Include(track => track.MediaType)
.OrderBy(request.Order, _orderBuilder)
.ToPagedCollectionAsync(request.PageNumber, request.PageSize);
var tracks = _mapper.Map <IReadOnlyList <TrackDetail> >(tracksFromDb);
return(new PagedCollection <TrackDetail>(
tracks,
tracksFromDb.ItemCount,
tracksFromDb.CurrentPageNumber,
tracksFromDb.PageSize));
}
public Task <IPagedCollection <TrackDetail> > Handle(GetTrackListQuery request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
return(GetTrackList(request));
}
