Chore: solved some todos

handlers/auth.go

@@ -183,17 +183,6 @@ func cacheSetSession(key string, session *models.Session) error {
 		return err
 	}
 	memcache.Set(key, sesb)
-	// TODO: to config
-	memcache.Expire(key, 60*60)
+	memcache.Expire(key, cfg.SessionLifetime)
 	return nil
 }
-
-// unused
-// func updateRoomInSession(ctx context.Context, roomID string) (context.Context, error) {
-// 	s, ok := ctx.Value(models.CtxSessionKey).(*models.Session)
-// 	if !ok {
-// 		return context.TODO(), errors.New("failed to extract session from ctx")
-// 	}
-// 	s.CurrentRoom = roomID
-// 	return context.WithValue(ctx, "session", s), nil
-// }