public IActionResult JoinEvent(int eventID)
        {
            MemberRepo memRP   = new MemberRepo(_context);
            EventRepo  eventRP = new EventRepo(_context);

            var    claim  = HttpContext.User.Claims.ElementAt(0);
            string email  = claim.Value;
            var    member = memRP.GetOneByEmail(email);

            try
            {
                eventRP.JoinEvent(eventID, member.Id);

                var responseObject = new
                {
                    StatusCode = "Added to the list",
                };
                return(new ObjectResult(responseObject));
            }
            catch
            {
                var responseObject = new
                {
                    error = "can't added again",
                };
                return(new ObjectResult(responseObject));
            }
        }