public async Task RemoveParticipants(List <int> participantIds)
        {
            var participants = _context.HealthParticipants.AsEnumerable().Join(participantIds, x => x.Id, y => y, (x, y) => x).ToList();

            _context.HealthParticipants.RemoveRange(participants);
            await _context.SaveChangesAsync();
        }
        public async Task DeleteHealthInitiativeAsync(int id)
        {
            var initiativeToDelete = _db.HealthInitiatives.SingleOrDefault(x => x.Id == id);

            _db.HealthInitiatives.Remove(initiativeToDelete);
            await _db.SaveChangesAsync();
        }
        public async Task AddParticipantLog(ParticipantLog log)
        {
            await _context.ParticipantLogs.AddAsync(log);

            await _context.SaveChangesAsync();
        }