using System;

using ServiceStack.Web;

namespace ServiceStack

{

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = false, AllowMultiple = false)]

public class ErrorViewAttribute : RequestFilterAttribute

{

public string FieldName { get; set; }

public ErrorViewAttribute() : this("ErrorView") {}

public ErrorViewAttribute(string fieldName)

{

FieldName = fieldName;

Priority = -1;

}

public override void Execute(IRequest req, IResponse res, object requestDto)

{

var errorViewGetter = TypeProperties.Get(requestDto.GetType()).GetPublicGetter(FieldName);

if (errorViewGetter?.Invoke(requestDto) is string errorView)

{

req.SetErrorView(errorView);

}

}

}

}