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CustomExceptionFilterAttribute.cs
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CustomExceptionFilterAttribute.cs
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using System;
using System.Net;
using CQRSExample.Application.Infraestructure.Exceptions;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
namespace CQRSExample.WebAPI.Filters
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
public class CustomExceptionFilterAttribute : ExceptionFilterAttribute
{
public override void OnException(ExceptionContext context)
{
if (context.Exception is ValidationException)
{
context.HttpContext.Response.ContentType = "application/json";
context.HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
context.Result = new JsonResult(
((ValidationException)context.Exception).Failures);
return;
}
var code = HttpStatusCode.InternalServerError;
if (context.Exception is NotFoundException)
{
code = HttpStatusCode.NotFound;
}
context.HttpContext.Response.ContentType = "application/json";
context.HttpContext.Response.StatusCode = (int)code;
context.Result = new JsonResult(new
{
error = new[] { context.Exception.Message },
stackTrace = context.Exception.StackTrace
});
}
}
}