using System;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Reflection;

namespace Pal.Common;

public static class EnumExtensions
{
    public static int? GetOrder(this Enum e)
    {
        Type type = e.GetType();
        MemberInfo field = type.GetMember(e.ToString()).Single();
        DisplayAttribute? attribute = field.GetCustomAttributes(typeof(DisplayAttribute), false).Cast<DisplayAttribute>().FirstOrDefault();
        return attribute?.Order;
    }
}