public function post_delete_role(Request $request, User $user, Role $role, Role_user $role_user, Admin $admin)
{
$validation_rules = $admin->getValidationRulesAddRole();
$validation_messages = $admin->getValidationMessagesEditUser();
$this->validate($request, $validation_rules, $validation_messages);
$arr_request = $admin->getRequestArrayAddRole($request);
$role_user->delete_role($arr_request['user_id'], $arr_request['role_id']);
//prepare text for output
$user = $user->find($arr_request['user_id']);
$arr_request['first_name'] = $user->first_name;
$arr_request['last_name'] = $user->last_name;
$role = $role->find($arr_request['role_id']);
$arr_request['role'] = $role->name;
$data = $admin->getDataArray($arr_request, 0, $this->arr_logged_in_user);
return view('admin/delete_role_results_admin')->with('data', $data);
}