public override Task OnDisconnected(bool stopCalled)
{
var item = Users.FirstOrDefault(x => x.ConnectionId == Context.ConnectionId);
if (item != null)
{
Guid userGuid=Guid.Parse(item.Guid);
using (var db = new MessengerEntities1())
{
foreach (var reciever in (from u in db.User
from c in db.Contact
where ((u.ID == c.UserID) && (c.ContactID == userGuid))
select u))
{
string recieverGuid = reciever.ID.ToString();
var recieverMapRecord = Users.FirstOrDefault(u => u.Guid == recieverGuid);
if (recieverMapRecord != null)
{
string recieverConnectionId = recieverMapRecord.ConnectionId;
var recieverHubDescriptor= Clients.Client(recieverConnectionId);
if (recieverHubDescriptor != null)
{
recieverHubDescriptor.onContactDisconnected(item.Guid);
}
}
}
}
Users.Remove(item);
}
return base.OnDisconnected(stopCalled);
}
public void Connect(string guid)
{
var id = Context.ConnectionId;
if ((Users.All(x => x.ConnectionId != id)) && (Users.All(x => x.Guid != guid)))
{
Users.Add(new UserMap { ConnectionId = id, Guid = guid });
}
Clients.Caller.onConnected(id, guid, Users);
Guid userGuid = Guid.Parse(guid);
using (var db = new MessengerEntities1())
{
foreach (var reciever in (from u in db.User
from c in db.Contact
where ((u.ID == c.UserID) && (c.ContactID == userGuid))
select u))
{
string recieverGuid = reciever.ID.ToString();
var recieverMapRecord = Users.FirstOrDefault(u => u.Guid == recieverGuid);
if (recieverMapRecord != null)
{
string recieverConnectionId = recieverMapRecord.ConnectionId;
var recieverHubDescriptor = Clients.Client(recieverConnectionId);
if (recieverHubDescriptor != null)
{
recieverHubDescriptor.onContactConnected(guid);
}
}
}
}
}
public void Send(string senderGuid,string recieverGuid, string message)
{
var user = Users.FirstOrDefault(u => u.Guid == recieverGuid);
bool recieved;
if (user != null) {
var client=Clients.Client(user.ConnectionId);
client.addMessage(senderGuid, message);
recieved = true;
}
else
recieved = false;
using (var db=new MessengerEntities1())
{
db.Message.Add(new Message
{
FromID = Guid.Parse(senderGuid),
ToID = Guid.Parse(recieverGuid),
Text = message,
ID = Guid.NewGuid(),
Recieved = (byte)(recieved?1:0),
Date_time = DateTime.Now
});
db.SaveChanges();
}
}