public string Post(MessageModel m)
{
var time = DateTime.Now;
using (var context = new ChatEntities())
{
var user = context.Users.SingleOrDefault(u => u.Email == m.Email);
if (user != null)
{
context.Messages.Add(new MvcApplication2.Data.Message
{
UserId = user.Id,
Time = time,
Text = m.Text,
SessionId = m.SessionId
});
context.SaveChanges();
Dispatcher.NewMessage();
}
}
return time.ToString();
}
public ActionResult Index()
{
var emailCookie = Request.Cookies["Email"];
var passwordCookie = Request.Cookies["Password"];
if (emailCookie != null && passwordCookie != null)
{
try
{
Session["User"] = AuthHelper.Login(emailCookie.Value, passwordCookie.Value);
}
catch { }
}
using (var context = new ChatEntities())
{
var messages =
context.Messages
.OrderByDescending(m => m.Time)
.Take(5)
.ToArray();
ViewBag.Messages = messages.Select(m => new MessageModel(m)).ToList();
ViewBag.Messages.Reverse();
}
return View();
}
public IEnumerable<MessageModel> GetNew(int userId, long lastId)
{
using (var context = new ChatEntities())
{
do
{
var result = context.Messages.Where(m => m.Id > lastId).ToArray();
if (result.Length > 0)
{
return result.Select(m => new MessageModel(m)).ToArray();
}
else
{
Dispatcher.Subscribe(userId);
Dispatcher.Wait(userId);
}
} while (true);
}
}
