public double GetAverageRating()
{
if (Ratings.Count() == 0)
{
return(0);
}
return(Ratings.Average(r => r.RatingNumber));
}
public double GetAverageRating()
{
if (!Ratings.Any())
{
return(0);
}
return(Ratings.Average(r => r.Rating));
}
public void WriteRating(int userId, double newRating)
{
if (HasUserWrittenRating(userId))
{
Ratings.FirstOrDefault(c => c.UserId == userId && c.StoryId == this.Id).Score = newRating;
AverageRating = Ratings.Average(r => r.Score);
}
else
{
Ratings.Add(new Rating()
{
StoryId = this.Id, UserId = userId, Score = newRating
});
AverageRating = ((AverageRating * (NumberOfRatings - 1)) + newRating) / NumberOfRatings;
}
}
public double GetAverageRate()
{
return(Ratings.Average());
}
private void RefreshRatings()
{
Rating = Ratings.Any() ? Ratings.Average(r => r.Value) : (decimal?)null;
RatingsCount = Ratings.Count;
}