private UserSession FetchOrCreateSession(
IUserSessionStore sessionService, string dbName, string login, IDictionary <string, object> userFields)
{
Debug.Assert(sessionService != null);
Debug.Assert(userFields.ContainsKey("password"));
var uid = (long)userFields[IdFieldName];
var oldSession = sessionService.GetByUserId(uid);
if (oldSession == null)
{
var newSession = new UserSession(login, uid);
sessionService.Put(newSession);
return(newSession);
}
else if (!oldSession.IsActive)
{
sessionService.Remove(oldSession.Token);
var newSession = new UserSession(login, uid);
sessionService.Put(newSession);
return(newSession);
}
else
{
sessionService.Pulse(oldSession.Token);
return(oldSession);
}
}