public async Task<ActionResult> SignInStatus(Guid id)
        {
            CheckInViewModel model = new CheckInViewModel();
            model.Incident = await db.Incidents.FindAsync(id);
            model.SignIns = await db
                .SignIns
                .Where(x => x.IncidentID == id)
                .Where(x => x.SignedOut == null)
                .Join(db.Members,
                    s => s.MemberID,
                    m => m.MemberID,
                    (s, m) => new MemberSignIn() { Member = m, SignIn = s })
                .ToListAsync();

            return View(model);
        }
        /// <summary>
        /// Do sign-in form for incident with the given ID
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<ActionResult> SignIn(Guid id, Guid? memberID)
        {
            if (memberID.HasValue)
            {
                SignIn si = new SignIn()
                {
                    IncidentID = id,
                    MemberID = memberID.Value
                };

                db.SignIns.Add(si);
                Member member = await db.Members.FindAsync(memberID);
                Helpers.SignalSignIn(id, member.LastName, member.FirstName, si.SignedIn);
                await db.SaveChangesAsync();
            }

            CheckInViewModel model = new CheckInViewModel();
            model.Incident = db.Incidents.Include(i => i.SignIns).FirstOrDefault(x => x.IncidentID == id);

            var signIns = db.SignIns
                .Where(x => x.IncidentID == id)
                .ToList();

            model.SignIns = db.Members.Select<Member, MemberSignIn>(x => new MemberSignIn() { Member = x }).ToList();

            foreach (var m in model.SignIns)
            {
                var si = signIns
                    .OrderByDescending(x => x.SignedIn)
                    .FirstOrDefault(x => x.MemberID == m.Member.MemberID);
                if (si != null)
                    m.SignIn = si;
            }
            return View(model);
        }