function cw_apply_special_offer_shipping($params, $return)
{
global $tables;
$special_offers_apply =& cw_session_register('special_offers_apply');
$products = $params['products'];
if (empty($special_offers_apply['free_shipping'])) {
return $return;
}
if (empty($return)) {
return $return;
}
//cw_var_dump($return);
$new_rates = array();
// Re-calculate applicable total weight / items / subtotal taking into account bonuses
$total = $params['what_to_ship_params'];
if (is_array($special_offers_apply['free_shipping']) && is_array($special_offers_apply['free_shipping']['products']) && !empty($special_offers_apply['free_shipping']['products'])) {
$hash = crc32(serialize($total));
foreach ($special_offers_apply['free_shipping']['products'] as $pid => $qty) {
foreach ($products as $kk => $product) {
if ($product['product_id'] == $pid) {
$tmp_qty = min($qty, $product['amount']);
if ($tmp_qty <= 0) {
continue;
}
# Calculate total_cost and total_+weight for shipping calculation
if ($product["free_shipping"] == "Y") {
continue;
}
if ($product['shipping_freight'] <= 0 || $config['Shipping']['replace_shipping_with_freight'] != 'Y') {
$total['apply']['weight'] -= $product["weight"] * $tmp_qty;
$total['apply']['items'] -= $tmp_qty;
$total['apply']['DST'] -= $product['display_discounted_price'] * $tmp_qty / $product['amount'];
$total['apply']['ST'] -= $product['display_subtotal'] * $tmp_qty / $product['amount'];
// Correct products array
$product['amount'] -= $tmp_qty;
$product['display_subtotal'] = $product['display_subtotal'] * $product['amount'] / ($tmp_qty + $product['amount']);
$product['display_discounted_price'] = $product['display_discounted_price'] * $product['amount'] / ($tmp_qty + $product['amount']);
$products[$kk] = $product;
if ($products[$kk]['amount'] <= 0) {
unset($products[$kk]);
}
$qty -= $tmp_qty;
}
}
}
}
if ($hash != crc32(serialize($total)) && $total['apply']['items'] > 0) {
// Unset this function hook and retrieve rates again with corrected params
cw_addons_unset_hooks(array('post', 'cw_shipping_get_rates', 'cw_apply_special_offer_shipping'));
$_params = $params;
$_params['what_to_ship_params'] = $total;
$_params['weight'] = $total['apply']['weight'];
$_params['products'] = $products;
$new_rates = cw_func_call('cw_shipping_get_rates', $_params);
// Restore function hook
cw_addons_set_hooks(array('post', 'cw_shipping_get_rates', 'cw_apply_special_offer_shipping'));
}
}
// Re-calc rates
foreach ($return as $k => $rate) {
// If bonus is applicable for certain methods only, then check this method
if (!empty($special_offers_apply['free_shipping']['methods']) && is_array($special_offers_apply['free_shipping']['methods']) && !in_array($rate['shipping_id'], $special_offers_apply['free_shipping']['methods'])) {
continue;
}
// If bonus is applicable for whole cart, then set the new rate regardless cart content
if ($special_offers_apply['free_shipping']['apply'] == constant('PS_APPLY_CART')) {
$return[$k]['saved_rate'] = $rate['original_rate'];
// save initial rate to calc discount
$return[$k]['original_rate'] = $special_offers_apply['free_shipping']['rate'];
continue;
}
// If bonus is applicable for selected products then
if (in_array($special_offers_apply['free_shipping']['apply'], array(PS_APPLY_COND, PS_APPLY_PRODS)) && !empty($special_offers_apply['free_shipping']['products'])) {
if (isset($new_rates[$k])) {
$return[$k] = $new_rates[$k];
}
if ($total['apply']['items'] <= 0) {
$return[$k]['original_rate'] = 0;
}
$return[$k]['original_rate'] += $special_offers_apply['free_shipping']['rate'];
$return[$k]['saved_rate'] = $rate['original_rate'];
// save initial rate to calc discount
if (defined('AOM') && constant('AOM')) {
$return[$k]['shipping'] .= '*';
//$return[$k]['shipping'] .= ' [offer: '.$rate['original_rate'].' => '.floatval($special_offers_apply['free_shipping']['rate']).'+'.floatval($new_rates[$k]['original_rate']).']';
}
}
}
// strange, but $rate['original_rate'] is exactly final rate value, not initial as you may think
return $return;
}
<?php
/**
* Performance improvement for customer area.
* Unset hooks if there is only one domain specified. Filter by domain does not make sense.
*/
if (count(cw_md_get_domains()) == 1) {
cw_addons_unset_hooks(array('pre', 'cw_product_search', 'cw_md_product_search'), array('pre', 'cw_category_search', 'cw_md_category_search'), array('pre', 'cw_manufacturer_search', 'cw_md_manufacturer_search'), array('pre', 'cw_pages_search', 'cw_md_pages_search'), array('pre', 'cw_speed_bar_search', 'cw_md_speed_bar_search'), array('pre', 'cw_shipping_search', 'cw_md_shipping_search'), array('pre', 'cw_payment_search', 'cw_md_payment_search'), array('pre', 'cw_product_get', 'cw_md_product_search'), array('pre', 'cw_category_get', 'cw_md_category_search'), array('pre', 'cw_manufacturer_get', 'cw_md_manufacturer_search'), array('pre', 'cw_pages_get', 'cw_md_pages_search'));
}
