public IActionResult GetReviewsOfDriver(int id) { var reviews = _driverService.DGetAllReviewsOfDriver(id); var models = _mapper.Map <IList <DriverReviewModel> >(reviews); if (models == null) { return(NotFound()); } float rateAverage = 0; foreach (var item in models) { rateAverage += item.Rate; } rateAverage = rateAverage / models.Count; return(Ok(new { rateAverage, rates = models })); }