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using System;
using System.ComponentModel;
using System.Reflection;
using Gestor.Model.Attributes;
namespace Gestor.Common.Helpers;
public static class EnumHelper
{
public static T2 GetAttribute<T, T2>(this T enumValue) where T2 : class
{
string name = Enum.GetName(enumValue.GetType(), enumValue);
try
{
FieldInfo? field = enumValue.GetType().GetField(name);
Type typeFromHandle = typeof(T2);
return Attribute.GetCustomAttribute(field, typeFromHandle) as T2;
}
catch (Exception)
{
return null;
}
}
public static T ToEnumByOldValue<T>(this string oldValue)
{
Type typeFromHandle = typeof(T);
Type typeFromHandle2 = typeof(OldValueAttribute);
FieldInfo[] fields = typeFromHandle.GetFields();
foreach (FieldInfo fieldInfo in fields)
{
Attribute? customAttribute = Attribute.GetCustomAttribute(fieldInfo, typeFromHandle2);
OldValueAttribute val = (OldValueAttribute)(object)((customAttribute is OldValueAttribute) ? customAttribute : null);
if (val != null && val.OldValue == oldValue)
{
return (T)fieldInfo.GetValue(null);
}
}
return default(T);
}
public static string GetOldValue<T>(this T enumValue)
{
OldValueAttribute attribute = enumValue.GetAttribute<T, OldValueAttribute>();
if (attribute == null)
{
return null;
}
return attribute.OldValue;
}
public static T ToEnumByOldValue2<T>(this string oldValue)
{
Type typeFromHandle = typeof(T);
Type typeFromHandle2 = typeof(OldValue2Attribute);
FieldInfo[] fields = typeFromHandle.GetFields();
foreach (FieldInfo fieldInfo in fields)
{
Attribute? customAttribute = Attribute.GetCustomAttribute(fieldInfo, typeFromHandle2);
OldValue2Attribute val = (OldValue2Attribute)(object)((customAttribute is OldValue2Attribute) ? customAttribute : null);
if (val != null && val.OldValue2 == oldValue)
{
return (T)fieldInfo.GetValue(null);
}
}
return default(T);
}
public static string GetOldValue2<T>(this T enumValue)
{
OldValue2Attribute attribute = enumValue.GetAttribute<T, OldValue2Attribute>();
if (attribute == null)
{
return null;
}
return attribute.OldValue2;
}
public static bool? GetDefault<T>(this T enumValue)
{
string name = Enum.GetName(enumValue.GetType(), enumValue);
FieldInfo field = enumValue.GetType().GetField(name);
return ((field == null) ? null : (Attribute.GetCustomAttribute(field, typeof(DefaultAttribute)) as DefaultAttribute))?.DefaultProperty;
}
public static bool GetHidden<T>(this T enumValue)
{
string name = Enum.GetName(enumValue.GetType(), enumValue);
FieldInfo field = enumValue.GetType().GetField(name);
return ((field == null) ? null : (Attribute.GetCustomAttribute(field, typeof(HiddenAttribute)) as HiddenAttribute)) != null;
}
public static string Value<T>(this T enumValue)
{
return Convert.ToInt32(enumValue).ToString();
}
public static string GetDescription<T>(this T enumValue)
{
string name = Enum.GetName(enumValue.GetType(), enumValue);
if (name == null)
{
return null;
}
FieldInfo field = enumValue.GetType().GetField(name);
return ((field == null) ? null : (Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) as DescriptionAttribute))?.Description;
}
public static int? GetOrder<T>(this T enumValue)
{
string name = Enum.GetName(enumValue.GetType(), enumValue);
FieldInfo field = enumValue.GetType().GetField(name);
return ((field == null) ? null : (Attribute.GetCustomAttribute(field, typeof(OrderAttribute)) as OrderAttribute))?.OrderProperty;
}
}
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