public bool EventCount(int id)
        {
            Event eventos = _context.Events.Find(id);

            if (eventos.MaxParticipants == eventos.numbParticipants)
            {
                eventos.waitEvent    = false;
                eventos.confirmEvent = true;
                _context.SaveChanges();
                return(true);
            }
            return(false);
        }
        public async Task <ActionResult <UserEvent> > DeleteUserEvent(string UserId)
        {
            var userEvent = await _context.UserEvents
                            .Include(u => u.Event)
                            .Include(u => u.User)
                            .FirstOrDefaultAsync(m => m.UserId.Contains(UserId));

            _context.UserEvents.Remove(userEvent);
            await _context.SaveChangesAsync();

            int   idEvent = userEvent.EventId;
            Event eventos = _context.Events.Find(idEvent);

            eventos.numbParticipants -= 1;
            eventos.confirmEvent      = false;
            eventos.waitEvent         = true;
            _context.SaveChanges();

            return(userEvent);
        }