Example Permissionable usage

gistfile1.php

<?php
class Account extends AppModel {
	var $actsAs = array('Permissionable');
	var $hasMany = array(
		'User' => array('dependent' => true)
	);
	
	function permissions($user) {
		if ($user['Role']['accounts'] != 'owner') {
			return false;
		}
		
		# Get list of accounts assigned to
		$accounts = $this->AccountsContact->find('list', array(
			'fields' => array('id', 'account_id'),
			'conditions' => array('AccountsContact.contact_id' => $user['id'])
		));
		
		# Retrieve master accounts
		$accounts = array_merge($accounts, $this->find('list', array(
			'permissions' => false,
			'fields' => array('id'),
			'conditions' => array('Account.master' => true)
		)));
		
		return array($this->alias . '.id' =>array_merge($accounts, array($user['account_id'])));
	}
}

gistfile2.php

<?php 
class User extends AppModel {
	var $actsAs = array('Acl' => array('requester'), 'Permissionable');
	var $belongsTo = array('Account');

	function permissions($user) {
		if ($user['Role']['accounts'] != 'owner') {
			return false;
		}
		$accounts = $this->Account->getPermissions();
		return array($this->alias . '.account_id' => $accounts['Account.id']);
	}
}