public void AddRating(string guideId, string touristId, int rating, string comment)
{
GuideRatingDetail guideRatingDetail = new GuideRatingDetail
{
TouristId = new ObjectId(touristId),
GuideId = new ObjectId(guideId),
Rating = rating,
Comment = comment
};
guideRatingDetailRepository.AddRating(guideRatingDetail);
}
public void AddRating(GuideRatingDetail guideRatingDetail)
{
var guideRatingDetailCollection = db.GetCollection <GuideRatingDetail>(Constants.TableGuidesRatingDetail);
var guideRatingCollection = db.GetCollection <GuideRating>(Constants.TableGuideRating);
var guideRating = guideRatingCollection.AsQueryable().First(r => r.UserId == guideRatingDetail.GuideId);
long ratingScore;
int finalGuideRating;
var isRequiredRatingExist = guideRatingDetailCollection.AsQueryable().Any(r => r.GuideId == guideRatingDetail.GuideId && r.TouristId == guideRatingDetail.TouristId);
if (!isRequiredRatingExist)
{
guideRatingDetailCollection.InsertOne(guideRatingDetail);
ratingScore = (guideRating.Rating * guideRating.CountRatings) + guideRatingDetail.Rating;
finalGuideRating = (int)(ratingScore / (guideRating.CountRatings + 1));
var filter = Builders <GuideRating> .Filter.Eq(s => s.Id, guideRating.Id);
var update = Builders <GuideRating> .Update.Set(s => s.Rating, finalGuideRating).Set(s => s.CountRatings, guideRating.CountRatings + 1);
guideRatingCollection.UpdateOne(filter, update);
}
else
{
ratingScore = (guideRating.Rating * guideRating.CountRatings) - guideRating.Rating + guideRatingDetail.Rating;
finalGuideRating = (int)(ratingScore / (guideRating.CountRatings));
var filter = Builders <GuideRating> .Filter.Eq(s => s.Id, guideRating.Id);
var update = Builders <GuideRating> .Update.Set(s => s.Rating, finalGuideRating);
guideRatingCollection.UpdateOne(filter, update);
var filterBuilder = Builders <GuideRatingDetail> .Filter;
var filterGuideRatingDetail = filterBuilder.Eq(r => r.GuideId, guideRatingDetail.GuideId) & filterBuilder.Eq(r => r.TouristId, guideRatingDetail.TouristId);
var updateGuideRating = Builders <GuideRatingDetail> .Update.Set(s => s.Rating, guideRatingDetail.Rating).Set(s => s.Comment, guideRatingDetail.Comment);
guideRatingDetailCollection.UpdateOne(filterGuideRatingDetail, updateGuideRating);
}
}
