OSB enhancements to date

modules/checkout/classes/model/checkout.php

@@ -0,0 +1,67 @@
+<?php defined('SYSPATH') or die('No direct access allowed.');
+
+/**
+ * This class provides checkout capabilities.
+ *
+ * @package    OSB
+ * @subpackage Checkout
+ * @category   Models
+ * @author     Deon George
+ * @copyright  (c) 2010 Open Source Billing
+ * @license    http://dev.osbill.net/license.html
+ */
+class Model_Checkout extends ORMOSB {
+	protected $_has_many = array(
+		'payment' => array()
+	);
+
+	/**
+	 * Give a cart, this will present the available checkout options
+	 *
+	 * Trial Products are NEW products
+	 * Cart items are NEW products
+	 * Invoice items are RE-OCCURING items (ie: carts are not re-occuring)
+	 *
+	 */
+	public function payment_options_cart() {
+		$cart = Cart::instance();
+
+		$available_payments = array();
+
+		if ($cart->has_trial())
+			$this->and_where('allow_trial','=',TRUE);
+
+		$this->and_where('allow_new','=',TRUE);
+
+		foreach ($this->where('active','=',TRUE)->find_all() as $item) {
+			// Check that the cart total meets the minimum requirement
+			if ($item->total_minimum AND $cart->total() < $item->total_minimum)
+				continue;
+
+			// Check the cart total meets the maximum requirement
+			if (($item->total_maximum AND $cart->total() > $item->total_maximum) OR ($item->total_maximum == '0' AND $cart->total()))
+				continue;
+
+			// Check that the payment option is available to this client based on groups
+			// @todo Enable this test
+
+			// Check that the payment option is not prohibited by an SKU item
+			// @todo Enable this test
+
+			// Check if this payment method is a default payment method
+			// @todo Enable this test
+			// By Amount
+			// By Currency
+			// By Group
+			// By Country
+
+			// This payment option is valid
+			array_push($available_payments,$item);
+			// Sort the checkout options
+			// @todo Is this required?
+		}
+
+		return $available_payments;
+	}
+}
+?>