+
+ // canAdd determines if we can add a user in case there is a limit.
+ static function canAdd($num_users = 1) {
+ $mdb2 = getConnection();
+ $sql = "select param_value from tt_site_config where param_name = 'max_users'";
+ $res = $mdb2->query($sql);
+ $val = $res->fetchRow();
+ if (!$val) return true; // No limit.
+
+ $max_count = $val['param_value'];
+ $sql = "select count(*) as user_count from tt_users where group_id > 0 and status is not null";
+ $res = $mdb2->query($sql);
+ $val = $res->fetchRow();
+ if ($val['user_count'] <= $max_count - $num_users)
+ return true; // Limit not reached.
+
+ return false;
+ }
+
+ // getUserRank - obtains a rank for a given user.
+ static function getUserRank($user_id) {
+ global $user;
+ $mdb2 = getConnection();
+
+ $group_id = $user->getGroup();
+ $org_id = $user->org_id;
+
+ $sql = "select r.rank from tt_users u".
+ " left join tt_roles r on (u.role_id = r.id)".
+ " where u.id = $user_id and u.group_id = $group_id and u.org_id = $org_id";
+ $res = $mdb2->query($sql);
+ if (is_a($res, 'PEAR_Error')) return 0;
+ $val = $res->fetchRow();
+ return $val['rank'];
+ }