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();
    }
}