public TicketAlertUesrMappingQueryResult Handle(TicketAlertUesrMappingQuery query)
        {
            bool isAlreadySignUp = false;

            foreach (var ticketAlert in query.TicketAlertEvents)
            {
                var eventData          = _eventRepository.GetByAltId(query.EventAltId);
                var ticketAlertUsermap = _ticketAlertUserMappingRepository.GetByTicketAlertEventMapAndEmailId(ticketAlert, query.Email);
                if (ticketAlertUsermap.Count() > 0)
                {
                    isAlreadySignUp = true;
                    break;
                }
            }

            return(new TicketAlertUesrMappingQueryResult
            {
                IsAlredySignUp = isAlreadySignUp
            });
        }