public static IApplicationBuilder ConfigureExceptionHandler(this IApplicationBuilder app)
{
app.UseExceptionHandler(appError =>
{
appError.Run(async context =>
{
var exceptionHandlerPathFeature = context.Features.Get <IExceptionHandlerPathFeature>();
var exception = exceptionHandlerPathFeature.Error;
ErrorResponseWrapper <string> error = new ErrorResponseWrapper <string>();
switch (exception)
{
case FormatException formatException:
error.ErrorMessage = formatException.Message;
break;
default:
error.ErrorMessage = "Erro inesperado.";
break;
}
var result = JsonSerializer.Serialize(error);
context.Response.ContentType = "application/json";
context.Response.StatusCode = StatusCodes.Status500InternalServerError;
await context.Response.WriteAsync(result);
});
});
return(app);
}
public IActionResult Handle(ControllerBase controller, object result = default)
{
if (controller == null)
{
return(null);
}
if (!this.notificationContext.HasNotifications)
{
return(controller.Ok(result));
}
var errorResponse = new ErrorResponseWrapper <object>();
errorResponse.Value = result;
errorResponse.Errors = new List <KeyValuePair <string, string> >(this.notificationContext.Notifications.Select(n => new KeyValuePair <string, string>(n.Key, n.Message)));
errorResponse.ErrorMessage = "Um ou mais erros ocorreram";
if (this.notificationContext.Notifications.Any(n => n.Key == NotificationKeys.NotFound))
{
return(controller.NotFound(errorResponse));
}
else if (this.notificationContext.Notifications.Any(n => n.Key == NotificationKeys.InvalidArgument))
{
return(controller.UnprocessableEntity(errorResponse));
}
else if (this.notificationContext.Notifications.Any(n => n.Key == NotificationKeys.AlreadyExists))
{
return(controller.Conflict(errorResponse));
}
return(controller.StatusCode(StatusCodes.Status500InternalServerError, errorResponse));
}
