using System.Linq.Expressions; namespace WatchIt.DTO.Models.Controllers.Photos.Photo; public static class PhotoOrderKeys { public static readonly Dictionary>> Base = new Dictionary>> { { "id", x => x.Id }, { "medium_id", x => x.MediumId }, { "mime_type", x => x.MimeType }, { "is_background", x => x.Background != null }, { "is_universal_background", x => x.Background != null && x.Background.IsUniversal } }; }