Behavior to automate setting the "owned by user" attribute to the currently logged in user id upon creation of a record. Revive of OwnerBehavior from https://github.com/schmunk42/p3extensions/commit/aa990c986fabd4ab5932ee504b593b230238ccac

composer.json

{
    "name": "thyseus/owner-behavior",
    "description": "Behavior to automate setting the \"owned by user\" attribute to the currently logged in user id upon creation of a record.",
    "authors": [
        { "name": "thyseus", "email": "thyseus@gmail.com" }
    ],
    "require": {
        "php": ">=5.2.0"
    },
    "autoload": {
        "classmap": ["."]
    }
}

OwnerBehavior.php

<?php
// Owner Behavior by thyseus <thyseus@gmail.com>

// Assuming a dataset is "owned" by a user, we need to set the id
// of the current logged in user when saving the dataset automatically.
// Optional, a "last updated by" column can save the user that last updated
// the dataset. The Owner will never be touched.


class OwnerBehavior extends CActiveRecordBehavior {
	/**
	 * The field that stores the pk of the owner
	 */
	public $ownerColumn = 'owner_id';

	/**
	 * The field that stores the pk of user that did the the last change
	 */
	public $lastChangeColumn = 'last_change_by';

	public function beforeValidate($on) {
		if(isset($this->owner->tableSchema->columns[$this->ownerColumn]))
			if ($this->owner->isNewRecord)
				$this->owner->{$this->ownerColumn} = Yii::app()->user->id;


		return true;
	}

	public function beforeSave($on) {

		if(isset($this->owner->tableSchema->columns[$this->lastChangeColumn]))
			$this->owner->{$this->lastChangeColumn} = Yii::app()->user->id;

		return true;
	}

}