using System.Collections.Generic; using Dinah.Core; namespace DataLayer { public class AudibleCategoryId { public string Id { get; } public AudibleCategoryId(string id) { ArgumentValidator.EnsureNotNullOrWhiteSpace(id, nameof(id)); Id = id; } } public class Category { internal int CategoryId { get; private set; } public string AudibleCategoryId { get; private set; } public string Name { get; internal set; } internal List _categoryLadders = new(); public IReadOnlyCollection CategoryLadders => _categoryLadders.AsReadOnly(); private Category() { } /// special id class b/c it's too easy to get string order mixed up public Category(AudibleCategoryId audibleSeriesId, string name) { ArgumentValidator.EnsureNotNull(audibleSeriesId, nameof(audibleSeriesId)); var id = audibleSeriesId.Id; ArgumentValidator.EnsureNotNullOrWhiteSpace(id, nameof(id)); ArgumentValidator.EnsureNotNullOrWhiteSpace(name, nameof(name)); AudibleCategoryId = id; Name = name; } public override string ToString() => $"[{AudibleCategoryId}] {Name}"; } }