// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.AspNetCore.Mvc.RazorPages;
 
namespace RazorPagesWebSite;
 
[HandlerChangingPageFilter]
public class ModelWithPageFilter : PageModel
{
    public string Message { get; private set; }
 
    public void OnGet()
    {
        Message = $"Hello from {nameof(OnGet)}";
    }
 
    public void OnGetEdit()
    {
        Message = $"Hello from {nameof(OnGetEdit)}";
    }
}
 
[AttributeUsage(AttributeTargets.Class)]
public class HandlerChangingPageFilterAttribute : Attribute, IPageFilter
{
    public void OnPageHandlerSelected(PageHandlerSelectedContext context)
    {
        context.HandlerMethod = context.ActionDescriptor.HandlerMethods.First(m => m.Name == "Edit");
    }
 
    public void OnPageHandlerExecuting(PageHandlerExecutingContext context)
    {
    }
 
    public void OnPageHandlerExecuted(PageHandlerExecutedContext context)
    {
    }
}