using Microsoft.AspNetCore.Mvc.Authorization;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.AspNetCore.Mvc.Filters;

namespace Polly8Study.WebApi.Filters
{
    /// <summary>
    /// 用户取消调用(刷新浏览器等)异常过滤器
    /// </summary>
    public class OperationCancelledExceptionFilter : IAsyncExceptionFilter
    {
        public Task OnExceptionAsync(ExceptionContext context)
        {
            if (context.Exception is OperationCanceledException ex)
            {
                var controllerActionDescriptor = context.ActionDescriptor as ControllerActionDescriptor;

                //context.ActionDescriptor.ContrallerName;
                Console.WriteLine($"全局异常过滤器:{controllerActionDescriptor?.ControllerName}{controllerActionDescriptor?.ActionName} 请求，被用户取消！");
            }

            return Task.CompletedTask;
        }
    }
}