using System;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.Extensions.DependencyInjection;

public class DevelopmentOnlyAttribute : Attribute, IResourceFilter
{
    public void OnResourceExecuting(ResourceExecutingContext context)
    {
        var env = context.HttpContext.RequestServices.GetService<IHostingEnvironment>();
        if (!env.IsDevelopment())
        {
            context.Result = new NotFoundResult();
        }
    }

    public void OnResourceExecuted(ResourceExecutedContext context)
    {
    }
}