ImageBehavior.php
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<?php
namespace common\behaviors;
use yii\base\Behavior;
use yii\base\Event;
use yii\db\ActiveRecord;
/**
* Class ImageBehavior
* @package common\behaviors
*/
class ImageBehavior extends Behavior
{
/**
* @var string column where file name is stored
*/
public $link;
/**
* @var string directory name
*/
public $directory;
/**
* @inheritdoc
*/
public function events()
{
return [
ActiveRecord::EVENT_BEFORE_DELETE => 'beforeDelete',
];
}
/**
* @param Event $event
*/
public function beforeDelete($event)
{
$file = $this->getImageFile();
if(file_exists($file)) {
unlink($file);
}
}
/**
* Get image file path
*
* @return null|string
*/
public function getImageFile()
{
$link = $this->link;
return empty( $this->owner->$link ) ? NULL : \Yii::getAlias('@storage/' . $this->directory . '/' . $this->owner->$link);
}
/**
* Get image file url
*
* @return null|string
*/
public function getImageUrl()
{
$link = $this->link;
return empty( $this->owner->$link ) ? NULL : '/storage/' . $this->directory . '/' . $this->owner->$link;
}
}