authManager

hola forum, en yii1 yo asignaba los roles a los usuarios de esta manera:




<div class="row-fluid">

    <div class="span6">

      <h1>Crear rol</h1>

            <?php $form=$this->beginWidget("CActiveForm") ?>


            <?php echo $form->labelEx($role,"name");?>

            <?php echo $form->textField($role,"name");?>

            <?php echo $form->error($role,"name");?>


            <?php echo $form->labelEx($role,"description");?>

            <?php echo $form->textArea($role,"description");?>

            <?php echo $form->error($role,"description");?>

              

            <br>

            <?php echo CHtml::submitButton("Crear",array("class"=>"btn btn-primary")); ?>

            <?php $this->endWidget();?>  

    </div>

    <div class="span6">

      <ul class="nav nav-tabs nav-stacked">

            <?php foreach(Yii::app()->authManager->getAuthItems() as $data):?>

            <?php echo $enabled=Yii::app()->authManager->checkAccess($data->name,$model->id)?> 

              <li>      

                    <h4><?php echo $data->name ?>

                          <small>

                              <?php if($data->type==0) echo "Role"; ?>


                          </small>

                          <?php echo CHtml::link($enabled?"Retirar":"Asignar",array("user/assign","id"=>$model->id,"item"=>$data->name),

                                array("class"=>$enabled?"btn btn-primary":"btn")); ?>

                      </h4>

                      <p><?php echo $data->description?></p>

                      <hr>

              </li>

            <?php endforeach; ?>

      </ul>

    </div>

</div>



esto lo hacia en mi vista, ahora en yii2 que funcion me remplaza a getAuthItems? ya que esta no existe en yii2 gracias