attachment_1.php

<?php
class Attachment extends AppModel {
    // ...

    function beforeMake($file, $process = array()) {
        extract($process);

        if ($this->alias == 'Avatar' && $version != 's') {
            return true;
        }
        if ($version != 'xs') {
            return ClassRegistry::init('Queue.Job')->put(compact('file', 'process'));
        }
        if ($name == 'Image') {
            return $this->_myCustomResizeMethod($file, $instructions);
        }
    }
}
?>