public async Task ExecuteAsync(CreateStudyRoomSessionCommand message, CancellationToken token)
{
var room = await _studyRoomRepository.LoadAsync(message.StudyRoomId, token);
if (room.Tutor.Id != message.UserId) //only tutor can open a session
{
throw new ArgumentException();
}
var lastSession = room.GetCurrentSession();
if (lastSession != null)
{
var roomAvailable = await _videoProvider.GetRoomAvailableAsync(lastSession.SessionId);
if (roomAvailable)
{
lastSession.ReJoinStudyRoom();
return;
}
}
var sessionName = $"{message.StudyRoomId}_{DateTimeOffset.UtcNow.ToUnixTimeSeconds()}";
await _videoProvider.CreateRoomAsync(sessionName, room.Tutor.User.Country,
message.RecordVideo,
message.CallbackUrl,
room.Type.GetValueOrDefault(StudyRoomType.PeerToPeer)
);
var session = new StudyRoomSession(room, sessionName);
room.AddSession(session);
}
public async Task HandleAsync(StudyRoomOnlineChangeEvent eventMessage, CancellationToken token)
{
var studyUser = eventMessage.StudyUser;
var studyRoom = studyUser.Room;
var onlineCount = studyRoom.Users.Count(f => f.Online);
var totalOnline = 2; // //studyRoom.Users.Count;
_telemetryClient.TrackEvent($"Users in room {studyRoom.Id}", metrics: new Dictionary <string, double>()
{
["onlineCount"] = onlineCount,
["totalOnline"] = totalOnline
});
if (onlineCount == totalOnline)
{
var session = studyRoom.GetCurrentSession();
if (session != null)
{
var roomExists = await _videoProvider.GetRoomAvailableAsync(session.SessionId);
if (roomExists)
{
foreach (var user in studyRoom.Users)
{
var jwtToken =
await _videoProvider.ConnectToRoomAsync(session.SessionId, user.User.Id.ToString());
var message2 = new SignalRTransportType(SignalRType.StudyRoom,
SignalRAction.Update, new
{
jwtToken
});
await _hubContext.Clients.User(user.User.Id.ToString())
.SendAsync(SbHub.MethodName, message2, token);
}
return;
}
}
}
var message = new SignalRTransportType(SignalRType.StudyRoom,
SignalRAction.Update, new
{
onlineCount,
totalOnline,
users = studyRoom.Users.Where(f => f.Online).Select(s => s.User.Id).ToArray(),
allUsers = studyRoom.Users.Select(s => s.User.Id).ToArray()
});
await _hubContext.Clients.Group(studyRoom.Id.ToString()).SendAsync(SbHub.MethodName, message, token);
}