private function _calculate($set_shipping = true, $generate_id = true)
{
global $lC_Currencies, $lC_Tax, $lC_Weight, $lC_Shipping, $lC_Database, $lC_OrderTotal, $lC_Services, $lC_Coupons, $lC_Vqmod, $lC_Customer;
$this->_sub_total = 0;
$this->_total = 0;
$this->_weight = 0;
$this->_tax = 0;
$this->_tax_groups = array();
$this->_shipping_boxes_weight = 0;
$this->_shipping_boxes = 0;
$this->_shipping_quotes = array();
$this->_order_totals = array();
if ($generate_id) {
$_SESSION['cartID'] = $this->generateCartID();
}
if ($this->hasContents()) {
foreach ($this->_contents as $data) {
$products_weight = $lC_Weight->convert($data['weight'], $data['weight_class_id'], SHIPPING_WEIGHT_UNIT);
$this->_weight += $products_weight * $data['quantity'];
if ($lC_Customer->isLoggedOn()) {
$tax = $lC_Tax->getTaxRate($data['tax_class_id'], $this->getTaxingAddress('country_id'), $this->getTaxingAddress('zone_id'));
$tax_description = $lC_Tax->getTaxRateDescription($data['tax_class_id'], $this->getTaxingAddress('country_id'), $this->getTaxingAddress('zone_id'));
}
$shown_price = $lC_Currencies->addTaxRateToPrice($data['price'], $tax, $data['quantity']);
$this->_sub_total += $shown_price;
$this->_total += $shown_price;
if (DISPLAY_PRICE_WITH_TAX == '1' || $_SESSION['localization']['show_tax'] == 1) {
$tax_amount = $shown_price - $shown_price / ($tax < 10 ? '1.0' . str_replace('.', '', $tax) : '1.' . str_replace('.', '', $tax));
} else {
$tax_amount = $tax / 100 * $shown_price;
$this->_total += $tax_amount;
}
$this->_tax += $tax_amount;
if (isset($this->_tax_groups[$tax_description])) {
$this->_tax_groups[$tax_description] += $tax_amount;
} else {
$this->_tax_groups[$tax_description] = $tax_amount;
}
}
// coupons
if (defined('MODULE_SERVICES_INSTALLED') && in_array('coupons', explode(';', MODULE_SERVICES_INSTALLED)) && isset($lC_Coupons)) {
if ($lC_Coupons->hasContents()) {
$discount = $lC_Coupons->getTotalDiscount();
$this->_total -= $discount;
}
}
$this->_shipping_boxes_weight = $this->_weight;
$this->_shipping_boxes = 1;
if (SHIPPING_BOX_WEIGHT >= $this->_shipping_boxes_weight * SHIPPING_BOX_PADDING / 100) {
$this->_shipping_boxes_weight = $this->_shipping_boxes_weight + SHIPPING_BOX_WEIGHT;
} else {
$this->_shipping_boxes_weight = $this->_shipping_boxes_weight + $this->_shipping_boxes_weight * SHIPPING_BOX_PADDING / 100;
}
if ($this->_shipping_boxes_weight > SHIPPING_MAX_WEIGHT) {
// Split into many boxes
$this->_shipping_boxes = ceil($this->_shipping_boxes_weight / SHIPPING_MAX_WEIGHT);
$this->_shipping_boxes_weight = $this->_shipping_boxes_weight / $this->_shipping_boxes;
}
if ($set_shipping === true) {
if (!class_exists('lC_Shipping')) {
include $lC_Vqmod->modCheck('includes/classes/shipping.php');
}
if (!$this->hasShippingMethod() || $this->getShippingMethod('is_cheapest') === true) {
$lC_Shipping = new lC_Shipping();
$this->setShippingMethod($lC_Shipping->getCheapestQuote(), false);
} else {
$lC_Shipping = new lC_Shipping($this->getShippingMethod('id'));
$this->setShippingMethod($lC_Shipping->getQuote(), false);
}
}
if (!class_exists('lC_OrderTotal')) {
include $lC_Vqmod->modCheck('includes/classes/order_total.php');
}
$lC_OrderTotal = new lC_OrderTotal();
$this->_order_totals = $lC_OrderTotal->getResult();
// sanity recalc total
$tkey = '';
$ot_total = 0;
foreach ($this->_order_totals as $key => $ot) {
if ($ot['code'] != 'total') {
$ot_total = $ot_total + $ot['value'];
$_SESSION['lC_ShoppingCart_data']['order_totals'][$key]['text'] = $lC_Currencies->format($ot['value']);
} else {
$tkey = $key;
}
}
$_SESSION['lC_ShoppingCart_data']['order_totals'][$tkey]['text'] = $lC_Currencies->format($ot_total);
$_SESSION['lC_ShoppingCart_data']['order_totals'][$tkey]['value'] = $ot_total;
// coupons
if (defined('MODULE_SERVICES_INSTALLED') && in_array('coupons', explode(';', MODULE_SERVICES_INSTALLED)) && isset($lC_Coupons)) {
$lC_Coupons->displayCouponInOrderTotal();
}
}
}
