Fast and Easy Checkout

[numinix]

Here is the header file for checkout

I am having an issue where the shipping selection is not passed to the shipment confirmation page:

  $zco_notifier->notify('NOTIFY_HEADER_START_CHECKOUT_PAYMENT');

// if there is nothing in the customers cart, redirect them to the shopping cart page
if ($_SESSION['cart']->count_contents() <= 0) {
    zen_redirect(zen_href_link(FILENAME_TIME_OUT));
}
// if the customer is not logged on, redirect them to the login page
  if (!$_SESSION['customer_id']) {
    $_SESSION['navigation']->set_snapshot();
    zen_redirect(zen_href_link(FILENAME_LOGIN, '', 'SSL'));
  } else {
    // validate customer
    if (zen_get_customer_validate_session($_SESSION['customer_id']) == false) {
      $_SESSION['navigation']->set_snapshot();
      zen_redirect(zen_href_link(FILENAME_LOGIN, '', 'SSL'));
    }
  }
// avoid hack attempts during the checkout procedure by checking the internal cartID
if (isset($_SESSION['cart']->cartID) && $_SESSION['cartID']) {
  if ($_SESSION['cart']->cartID != $_SESSION['cartID']) {
    zen_redirect(zen_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'SSL'));
  }
}
// get coupon code
if ($_SESSION['cc_id']) {
  $discount_coupon_query = "SELECT coupon_code
                            FROM " . TABLE_COUPONS . "
                            WHERE coupon_id = :couponID";

  $discount_coupon_query = $db->bindVars($discount_coupon_query, ':couponID', $_SESSION['cc_id'], 'integer');
  $discount_coupon = $db->Execute($discount_coupon_query);
}
// if no billing destination address was selected, use the customers own address as default
if (!$_SESSION['billto']) {
  $_SESSION['billto'] = $_SESSION['customer_default_address_id'];
} else {
  // verify the selected billing address
  $check_address_query = "SELECT count(*) AS total FROM " . TABLE_ADDRESS_BOOK . "
                          WHERE customers_id = :customersID
                          AND address_book_id = :addressBookID";
  $check_address_query = $db->bindVars($check_address_query, ':customersID', $_SESSION['customer_id'], 'integer');
  $check_address_query = $db->bindVars($check_address_query, ':addressBookID', $_SESSION['billto'], 'integer');
  $check_address = $db->Execute($check_address_query);
  if ($check_address->fields['total'] != '1') {
    $_SESSION['billto'] = $_SESSION['customer_default_address_id'];
    $_SESSION['payment'] = '';
  }
}
require(DIR_WS_CLASSES . 'order.php');
$order = new order;
require(DIR_WS_CLASSES . 'order_total.php');
$order_total_modules = new order_total;
$order_total_modules->collect_posts();
$order_total_modules->pre_confirmation_check();
//  $_SESSION['comments'] = '';
$comments = $_SESSION['comments'];
$total_weight = $_SESSION['cart']->show_weight();
$total_count = $_SESSION['cart']->count_contents();
// load all enabled payment modules
require(DIR_WS_CLASSES . 'payment.php');
$payment_modules = new payment;
$flagOnSubmit = sizeof($payment_modules->selection());
// Load the selected shipping module(needed to calculate tax correctly)
require(DIR_WS_CLASSES . 'shipping.php');
$shipping_modules = new shipping($_SESSION['shipping']);
require(DIR_WS_MODULES . zen_get_module_directory('require_languages.php'));
if (isset($_GET['payment_error']) && is_object(${$_GET['payment_error']}) && ($error = ${$_GET['payment_error']}->get_error())) {
  $messageStack->add('checkout_payment', $error['error'], 'error');
}
$breadcrumb->add(NAVBAR_TITLE_1, zen_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'SSL'));
$breadcrumb->add(NAVBAR_TITLE_2);
// This should be last line of the script:
$zco_notifier->notify('NOTIFY_HEADER_END_CHECKOUT_PAYMENT');
$zco_notifier->notify('NOTIFY_HEADER_START_CHECKOUT_SHIPPING');
  require_once(DIR_WS_CLASSES . 'http_client.php');
// Validate Cart for checkout
  $_SESSION['valid_to_checkout'] = true;
  $_SESSION['cart']->get_products(true);
  if ($_SESSION['valid_to_checkout'] == false) {
    $messageStack->add('header', ERROR_CART_UPDATE, 'error');
    zen_redirect(zen_href_link(FILENAME_SHOPPING_CART));
  }
// Stock Check
  if ( (STOCK_CHECK == 'true') && (STOCK_ALLOW_CHECKOUT != 'true') ) {
    $products = $_SESSION['cart']->get_products();
    for ($i=0, $n=sizeof($products); $i<$n; $i++) {
      if (zen_check_stock($products[$i]['id'], $products[$i]['quantity'])) {
        zen_redirect(zen_href_link(FILENAME_SHOPPING_CART));
        break;
      }
    }
  }
// if no shipping destination address was selected, use the customers own address as default
  if (!$_SESSION['sendto']) {
    $_SESSION['sendto'] = $_SESSION['customer_default_address_id'];
  } else {
// verify the selected shipping address
    $check_address_query = "SELECT count(*) AS total
                            FROM   " . TABLE_ADDRESS_BOOK . "
                            WHERE  customers_id = :customersID
                            AND    address_book_id = :addressBookID";
    $check_address_query = $db->bindVars($check_address_query, ':customersID', $_SESSION['customer_id'], 'integer');
    $check_address_query = $db->bindVars($check_address_query, ':addressBookID', $_SESSION['sendto'], 'integer');
    $check_address = $db->Execute($check_address_query);
    if ($check_address->fields['total'] != '1') {
      $_SESSION['sendto'] = $_SESSION['customer_default_address_id'];
      $_SESSION['shipping'] = '';
    }
  }
  $order = new order;
// register a random ID in the session to check throughout the checkout procedure
// against alterations in the shopping cart contents
  $_SESSION['cartID'] = $_SESSION['cart']->cartID;
// if the order contains only virtual products, forward the customer to the billing page as
// a shipping address is not needed
  if ($order->content_type == 'virtual') {
    $_SESSION['shipping'] = 'free_free';
    $_SESSION['shipping']['title'] = 'free_free';
    $_SESSION['sendto'] = false;
    zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
  }
  $total_weight = $_SESSION['cart']->show_weight();
  $total_count = $_SESSION['cart']->count_contents();
// load all enabled shipping modules
  $shipping_modules = new shipping;
  if ( defined('MODULE_ORDER_TOTAL_SHIPPING_FREE_SHIPPING') && (MODULE_ORDER_TOTAL_SHIPPING_FREE_SHIPPING == 'true') ) {
    $pass = false;
    switch (MODULE_ORDER_TOTAL_SHIPPING_DESTINATION) {
      case 'national':
        if ($order->delivery['country_id'] == STORE_COUNTRY) {
          $pass = true;
        }
        break;
      case 'international':
        if ($order->delivery['country_id'] != STORE_COUNTRY) {
          $pass = true;
        }
        break;
      case 'both':
        $pass = true;
        break;
    }
    $free_shipping = false;
    if ( ($pass == true) && ($_SESSION['cart']->show_total() >= MODULE_ORDER_TOTAL_SHIPPING_FREE_SHIPPING_OVER) ) {
      $free_shipping = true;
    }
  } else {
    $free_shipping = false;
  }
  require(DIR_WS_MODULES . zen_get_module_directory('require_languages.php'));
  if (isset($_SESSION['comments'])) {
    $comments = $_SESSION['comments'];
  }

// process the selected shipping method
  if ( isset($_POST['action']) && ($_POST['action'] == 'process') ) {
    if (zen_not_null($_POST['comments'])) {
      $_SESSION['comments'] = zen_db_prepare_input($_POST['comments']);
    }
    $comments = $_SESSION['comments'];
    if ( (zen_count_shipping_modules() > 0) || ($free_shipping == true) ) {
      if ( (isset($_POST['shipping'])) && (strpos($_POST['shipping'], '_')) ) {
        $_SESSION['shipping'] = $_POST['shipping'];
        list($module, $method) = explode('_', $_SESSION['shipping']);
        if ( is_object($$module) || ($_SESSION['shipping'] == 'free_free') ) {
          if ($_SESSION['shipping'] == 'free_free') 
            $quote[0]['methods'][0]['title'] = FREE_SHIPPING_TITLE;
            $quote[0]['methods'][0]['cost'] = '0';
          } else {
            $quote = $shipping_modules->quote($method, $module);
          }
          if (isset($quote['error'])) {
            $_SESSION['shipping'] = '';
          } else {
            if ( (isset($quote[0]['methods'][0]['title'])) && (isset($quote[0]['methods'][0]['cost'])) ) {
              $_SESSION['shipping'] = array('id' => $_SESSION['shipping'],
                                'title' => (($free_shipping == true) ?  $quote[0]['methods'][0]['title'] : $quote[0]['module'] . ' (' . $quote[0]['methods'][0]['title'] . ')'),
                                'cost' => $quote[0]['methods'][0]['cost']);
              zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
            }
          }
        } else {
          $_SESSION['shipping'] = false;
        }
      }
    } else {
      $_SESSION['shipping'] = false;
      zen_redirect(zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL'));
    }
  }
// get all available shipping quotes
  $quotes = $shipping_modules->quote();
  // Should address-edit button be offered?
  $displayAddressEdit = (MAX_ADDRESS_BOOK_ENTRIES >= 2);
  // if shipping-edit button should be overridden, do so
  $editShippingButtonLink = zen_href_link(FILENAME_CHECKOUT_SHIPPING_ADDRESS, '', 'SSL'); 
  if (isset($_SESSION['payment']) && method_exists($$_SESSION['payment'], 'alterShippingEditButton')) {
    $theLink = $$_SESSION['payment']->alterShippingEditButton();
    if ($theLink) {
      $editShippingButtonLink = $theLink;
      $displayAddressEdit = true;
    }
  }
  $breadcrumb->add(NAVBAR_TITLE_1, zen_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'SSL'));
  $breadcrumb->add(NAVBAR_TITLE_2);
// This should be last line of the script:
  $zco_notifier->notify('NOTIFY_HEADER_END_CHECKOUT_SHIPPING');