using System; using System.ComponentModel.DataAnnotations; using example_csharp_app.Filters; namespace example_csharp_app.Models.Request; public class BookUpdateRequest { [Required] public Guid Id { set; get; } = Guid.Empty; [Required] public string Title { set; get; } = string.Empty; [Required] public string Author { set; get; } = string.Empty; [Required] public DateTime YearPublished { set; get; } [Required, Xml] public string BookIndex { set; get; } = string.Empty; }