public async void UpdateRating(string beerId)
{
List <Review> reviews = await GetReviews(beerId);
Beer beer = await BeerCollection.GetAsync(new ObjectId(beerId));
float rating = 0f;
foreach (Review review in reviews)
{
rating += review.Overall;
}
float avgRating = rating / (float)reviews.Count;
beer.AvgRating = avgRating;
await BeerCollection.UpdateAsync(beer.Id, beer);
}
public async Task <Beer> GetBeer(ObjectId id)
{
return(await Collection.GetAsync(id));
}