/**
  * @return \yii\db\ActiveQuery
  */
 public function getRole()
 {
     return $this->hasOne(Role::className(), ['id' => 'role_id']);
 }
 /**
  * @author Adegoke Obasa <*****@*****.**>
  * @param $roleId
  * @return Role
  */
 public function getRoleById($roleId)
 {
     return Role::find()->where(['id' => $roleId, 'status' => 1])->one();
 }