public ActionResult Details(string id) { var customer = _customerService.FindCustomerProfile(id); if (customer == null) { return(View("Error")); } var customerModel = new CustomerDetailsViewModel() { Id = customer.Id, FirstName = customer.FirstName, LastName = customer.LastName, ImagePath = Convert.ToBase64String(customer.Image), UserName = customer.UserName, RegistrationdDate = customer.RegistrationdDate, CountPublishJobs = customer.CountPublishJobs, CountReviews = customer.QualityOfWorks.Count(), }; if (customer.QualityOfWorks.Count() > 0) { customerModel.AvarageReviewMark = (int)customer.QualityOfWorks.Select(p => (int)p).Average(); } int countFeedbacksForPer = customerModel.CountReviews == 0 ? 1 : customerModel.CountReviews; double percentPositiveFeedBacks = (double)customer.QualityOfWorks.Count(p => (int)p >= 3) * 100 / countFeedbacksForPer; customerModel.PercentPositiveReviews = (int)Math.Round(percentPositiveFeedBacks); return(View(customerModel)); }