<?php
class Product extends Aware {

	public static $rules = array(
		'sku' => 'required',
		'quantity' => 'required|integer',
		'cost' => 'required|numeric'
	);

	public function languages() {
		return $this->has_many_and_belongs_to('Language');
	}

	public function images() {
		return $this->has_many('Image');
	}

}