/**
* @brief Calculate the shipping cost.
*
* Override it in order to calculate and add the correct tax amount.
*
* @note This method is only called in PrestaShop < 1.5
* @see Cart::geTotalShippingCost() for PrestaShop > 1.5
*
* @param integrer $id_carrier Id of the selected carrier
* @param boolean $use_tax Do we want the taxes?
* @param Country $default_country Unused 1.5 only, for inheritance compatibility
* @param Array $product_list Unused 1.5 only, for inheritance compatibility
*
* @return float Price of the shipping.
*/
public function getOrderShippingCost($id_carrier = null, $use_tax = true, Country $default_country = null, $product_list = null)
{
include_once _PS_ROOT_DIR_ . '/modules/avalaratax/avalaratax.php';
/* Instanciate the Avalara module and check if active */
$avalara = new AvalaraTax();
if (!$avalara->active) {
return parent::getOrderShippingCost((int) $id_carrier, $use_tax, $default_country, $product_list);
}
/* Retrieve the original carrier fee tax excluded */
$tax_excluded_cost = parent::getOrderShippingCost((int) $id_carrier, false, $default_country, $product_list);
/* If we want price without tax or if this carrier is tax free, return this price */
if (!(int) $this->{Configuration::get('PS_TAX_ADDRESS_TYPE')} || !$use_tax) {
return $tax_excluded_cost;
}
/* If there is no cache or cache expired, we regenerate it */
if (CacheTools::checkCarrierCache($this)) {
$region = Db::getInstance()->getValue('
SELECT s.`iso_code`
FROM ' . _DB_PREFIX_ . 'address a
LEFT JOIN ' . _DB_PREFIX_ . 'state s ON (s.`id_state` = a.`id_state`)
WHERE a.`id_address` = ' . (int) $this->{Configuration::get('PS_TAX_ADDRESS_TYPE')});
CacheTools::updateCarrierTax($avalara, $this, $this->{Configuration::get('PS_TAX_ADDRESS_TYPE')}, $region, $use_tax);
}
/* If we do already know it, then return it */
return $tax_excluded_cost + (double) CacheTools::getCarrierTaxAmount($this);
}