public void AddComment(string prodId, string content)
        {
            MongodbFunctions mongo = new MongodbFunctions();

            Databases.DomainModel.Message newMessage = new Databases.DomainModel.Message
            {
                Content = content,
                Product = new MongoDBRef("products", new ObjectId(prodId))
            };

            mongo.AddComment(newMessage, prodId, User.Identity.Name);
        }