wabbajack/Wabbajack.DTOs/Extensions/EnumExtensions.cs

using System;
using System.ComponentModel;

namespace Wabbajack.DTOs
{
    public static class EnumExtensions
    {
        public static string GetDescription<T>(this T enumerationValue)
            where T : Enum
        {
            var type = enumerationValue.GetType();
            if (!type.IsEnum)
                throw new ArgumentException($"{nameof(enumerationValue)} must be of Enum type",
                    nameof(enumerationValue));
            var memberInfo = type.GetMember(enumerationValue.ToString()!);
            if (memberInfo.Length <= 0)
                return enumerationValue.ToString()!;

            var attrs = memberInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);

            return attrs.Length > 0 ? ((DescriptionAttribute)attrs[0]).Description : enumerationValue.ToString();
        }
    }
}