EnumExtension with GetDescription

EnumExtension.cs

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

public static class EnumExtension
{
    public static string GetDescription<TEnum>(this TEnum value) where TEnum : Enum
    {
        FieldInfo fieldInfo = value.GetType().GetField(value.ToString());

        DescriptionAttribute[] attributes = fieldInfo
            .GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[];

        if (attributes != null && attributes.Any())
        {
            return attributes.First().Description;
        }

        return value.ToString();
    }
    
    public static IList<EnumeratorModel> EnumToDictonary<T>() where T : struct
    {
        if (!typeof(T).IsEnum) throw new ArgumentException($"{typeof(T)} is not an Enum type");
        var enumerators = new List<EnumeratorModel>();
        var enums = Enum.GetValues(typeof(T));
        foreach (var enumItem in enums)
        {
            enumerators.Add(new EnumeratorModel()
            {
                Id = (int)enumItem,
                Name = enumItem.ToString()
            });
        }
        return enumerators;
    }
}

public enum AnimalsEnum : int
{
    [Description("Gato")]
    Cat,
    [Description("Cachorro")]
    Dog,
}

public class EnumeratorModel
{
    public int Id { get; set; }
    public string Name { get; set; }
}