AuditFilter.cs

AuditFilter.cs

using System.Linq;
using System.Web.Mvc;
using Microsoft.AspNet.Identity;

namespace AuditSample.Models
{
    public class AuditFilter:FilterAttribute, IActionFilter
    {
        public void OnActionExecuting(ActionExecutingContext filterContext)
        {
            var model = filterContext.ActionParameters.FirstOrDefault(x=> x.Value is IAuditRequest).Value as IAuditRequest;
            if (model == null) return;
            model.Ip = filterContext.HttpContext.Request.UserHostAddress;
            model.UserId = filterContext.HttpContext.User.Identity.GetUserId();
        }

        public void OnActionExecuted(ActionExecutedContext filterContext)
        {            
        }
    }    
}