public async Task <IActionResult> OnUpdateRating(string productName, string userId, string value)
{
var product = await _productRepository.GetProductByName(productName);
if (userId != null)
{
//var user = await _context.Users.FirstOrDefaultAsync(mbox => mbox.Id == userId);
var user = await _userRepository.GetUserById(userId);
var findMark = await _markRepository.GetMarkByUserAndProduct(user, product);
if (findMark == null)
{
Mark mark = new Mark
{
User = user,
Product = product,
TotalMark = Int64.Parse(value)
};
_markRepository.InsertMark(mark);
}
}
var rating = await _markRepository.GetMarkWhereId(product.ProductId);
double ratingValue = 0;
foreach (var variable in rating)
{
ratingValue += variable.TotalMark;
}
if (rating.Count() != 0)
{
ratingValue /= rating.Count();
}
int fullStars = (int)Math.Truncate(ratingValue);
RatingViewModel ratingViewModel = new RatingViewModel
{
MarkCount = rating.Count(),
FullStars = fullStars,
HalfStar = (ratingValue - fullStars) >= 0.5,
EmptyStart = (int)Math.Round((5 - ratingValue)),
TotalRating = ratingValue
};
return(PartialView("_DisplayRatingPartial", ratingViewModel));
}
private Mark SaveMark(Mark _mark)
{
_markRepository.InsertMark(_mark);
return(null);
}
