symfony - overriding userAdmin by roles -


i developing backend using sonataadminbundle , want manage users listing them roles, example list of admin , list of simple user.

i overrode user admin class (administrateuradmin , simpleuseradmin) this:

<?php  namespace myproject\backendbundle\admin;  use sonata\userbundle\admin\model\useradmin baseuseradmin;  class administrateuradmin extends baseuseradmin {     // ... }

i want show administrators role role_admin.

try add function : 

public function createquery($context = 'list') {   $query = parent::createquery($context);   $query->andwhere(       $query->expr()->in($query->getrootaliases()[0] . '.roles', ':my_param')   );   $query->setparameter('my_param', 'role_admin');   return $query; }

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