my $user_rs = $c->model('DB::Users');
my @users = $user_rs->related_rs('user_roles')->related_rs('roles')->search({ name => 'user' });

## error
Caught exception in BoyosPlace::Controller::Admin->approve_users "Can't locate object method "related_rs" via package "DBIx::Class::InflateColumn::FS::ResultSet" at /home/devin/web-devel/boyosplace/script/../lib/BoyosPlace/Controller/Admin.pm line 65."