public override async Task OnDisconnectedAsync(Exception exception)
{
// When user closes a browser tab or call stop() connection
// we need to ensure to notify all users about offline state
// This method is a same logic of Offline
var isOffline = await _chatContext.TakeOfflineAsync(new OnlineUser
{
UserName = Context.UserIdentifier
});
if (isOffline)
{
try
{
var allOpenningSessions = _chatContext.GetAllActiveSessions(Context.UserIdentifier);
if (allOpenningSessions != null)
{
foreach (var session in allOpenningSessions)
{
// Persist it on Db
session.LeaveDate = DateTime.UtcNow;
await _chatSessionRepository.UpsertAsync(session.ToSession(true));
session.IsInDb = true;
session.IsDirty = false;
}
}
_chatContext.CloseAllUnlistenRooms(Context.UserIdentifier);
}
catch (Exception ex)
{
_logger.Error(ex, "There are some problems when saving chat session");
}
finally
{
// Ensure we still send notify
await Clients.Others.Offline(Context.UserIdentifier);
}
}
await base.OnDisconnectedAsync(exception);
}