<?php defined('SYSPATH') or die('No direct access allowed.');

/**
 * This class supports OSB listing products
 *
 * @package    OSB
 * @subpackage Product
 * @category   Models
 * @author     Deon George
 * @copyright  (c) 2010 Open Source Billing
 * @license    http://dev.osbill.net/license.html
 */
class Model_Product extends ORMOSB {
	// @todo this doesnt have our site_id when getting the translation
	protected $_has_many = array(
		'product_translate'=>array(),
	);

	protected $_sorting = array(
		'position'=>'asc',
		'sku'=>'asc',
	);

	protected $_formats = array(
		'price_type'=>array('StaticList_PriceType::display'=>array()),
	);

	/**
	 * Return the products for a given category
	 */
	public function category($cat) {
		$results = array();
		foreach ($this->where('active','=',TRUE)->find_all() as $po) {
			if ($c = unserialize($po->avail_category_id) AND in_array($cat,$c))
				array_push($results,$po);
		}

		return $results;
	}

	/**
	 * Return the best price to the uesr based on the users group's memberships
	 * @todo This needs to be tested with more than one price group enabled
	 */
	public function get_price_array() {
		if (! $this->loaded())
			throw new Kohana_Exception('Call to :method where no object loaded?',array(':method'=>__METHOD__));

		// Figure out our eligable groups
		// @todo Need to work out our default groups elsewhere, not in product
		// All users are members of the all user group "0"
		$groups = array(0);
		$pg = unserialize($this->price_group);
		if (Auth::instance()->logged_in())
			foreach (Auth::instance()->get_user()->group->find_all() as $go)
				array_push($groups,$go->id);

		// Work out the best price for the user
		$price = array();
		foreach (unserialize($this->price_group) as $bill_freq => $pg) {
			if ($pg['show'])
				foreach ($groups as $gid) {
					if (! empty($pg[$gid])) {
						if (empty($price[$bill_freq]['price_base'])
							OR ($pg[$gid]['price_base'] AND $price[$bill_freq]['price_base'] > $pg[$gid]['price_base'])) {
							$price[$bill_freq]['price_setup'] = $pg[$gid]['price_setup'];
							$price[$bill_freq]['price_base'] = $pg[$gid]['price_base'];
						}
					}
				}
		}

		return $price;
	}

	/**
	 * Test if the product is a TRIAL product
	 * (price_type == 2)
	 *
	 * @return boolean
	 */
	public function is_trial() {
		if ($this->price_type == 2)
			return TRUE;
		else
			return FALSE;
	}
}
?>