UserDataBehavior.php

<?php
/**
     * Created by PhpStorm.
     * User: vadim
     * Date: 26.05.15
     * Time: 15:12
     */

namespace sibds\behaviors;


use yii\behaviors\BlameableBehavior;

class UserDataBehavior extends BlameableBehavior {

    public $userClass = null;

    public function init()
    {
        if (is_null($this->userClass)) {
                    $this->userClass = \Yii::$app->user->className();
        }
    }

    /**
     * @getCreateUser
     * @return null|\yii\db\ActiveQuery
     */
    public function getCreateUser()
    {
        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;

        if ($owner->hasAttribute($this->createdByAttribute) && $owner->hasAttribute($this->updatedByAttribute)) {
                    return $owner->hasOne($this->userClass, ['id' => $this->createdByAttribute]);
        }

        return null;
    }

    /**
     * @getCreateUserName
     * @return null|\yii\db\ActiveQuery
     */
    public function getCreateUserName()
    {
        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;

        if ($owner->hasAttribute($this->createdByAttribute) && $owner->hasAttribute($this->updatedByAttribute)) {
                    return $this->createUser ? $this->createUser->username : '- no user -';
        }

        return null;
    }

    /**
     * @getUpdateUser
     * @return null|\yii\db\ActiveQuery
     */
    public function getUpdateUser()
    {
        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;

        if ($owner->hasAttribute($this->createdByAttribute) && $owner->hasAttribute($this->updatedByAttribute)) {
                    return $this->hasOne($this->userClass, ['id' => $this->updatedByAttribute]);
        }

        return null;
    }

    /**
     * @getUpdateUserName
     * @return null|\yii\db\ActiveQuery
     */
    public function getUpdateUserName()
    {
        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;

        if ($owner->hasAttribute($this->createdByAttribute) && $owner->hasAttribute($this->updatedByAttribute)) {
                    return $this->createUser ? $this->updateUser->username : '- no user -';
        }

        return null;
    }
}