public bool ActivateDiscount()
        {
            MongodbFunctions mongo = new MongodbFunctions();

            Databases.DomainModel.User user = mongo.GetUser(User.Identity.Name);
            bool sent = false;

            TimescaledbFunctions tdb = new TimescaledbFunctions();

            if (!tdb.ActivatedDiscount(user.Id.ToString()))
            {
                Databases.DomainModel.Notification notification = new Databases.DomainModel.Notification
                {
                    Content = "Poštovani, ostvarili ste popust od 10% na sledeću kupovinu, koji možete iskoristiti u roku od nedelju dana.",
                    Title   = "Popust 10%",
                    Date    = DateTime.Now.Date,
                    Tag     = "l_popust",
                    Read    = false,
                    User    = new MongoDB.Driver.MongoDBRef("users", user.Id)
                };

                tdb.SendNotification(user.Id.ToString(), mongo.AddNotification(notification, user.Email).ToString(), "l_popust");

                sent = true;
            }

            tdb.CloseConnection();
            return(sent);
        }