function fn_calculate_tax_rates($taxes, $price, $amount, $auth, &$cart)
{
static $destination_id;
static $tax_description;
static $user_data;
$taxed_price = $price;
if (!empty($cart['user_data']) && !fn_is_empty($cart['user_data'])) {
$profile_fields = fn_get_profile_fields('O', $auth);
$billing_population = fn_check_profile_fields_population($cart['user_data'], 'B', $profile_fields);
$shipping_population = fn_check_profile_fields_population($cart['user_data'], 'S', $profile_fields);
if (empty($auth['user_id']) && (!$shipping_population || !$billing_population)) {
fn_define('ESTIMATION', true);
}
}
if (empty($auth['user_id']) && (empty($cart['user_data']) || fn_is_empty($cart['user_data']) || $billing_population != true || $shipping_population != true) && Registry::get('runtime.checkout') && Registry::get('settings.Appearance.taxes_using_default_address') !== 'Y' && !defined('ESTIMATION')) {
return false;
}
if (empty($destination_id) || $user_data != @$cart['user_data']) {
// Get billing location
$location = fn_get_customer_location($auth, $cart, true);
$destination_id['B'] = fn_get_available_destination($location);
// Get shipping location
$location = fn_get_customer_location($auth, $cart);
$destination_id['S'] = fn_get_available_destination($location);
}
if (!empty($cart['user_data'])) {
$user_data = $cart['user_data'];
}
$_tax = 0;
$previous_priority = -1;
$previous_price = '';
foreach ($taxes as $key => $tax) {
if (empty($tax['tax_id'])) {
$tax['tax_id'] = $key;
}
if (empty($tax['priority'])) {
$tax['priority'] = 0;
}
$_is_zero = floatval($taxed_price);
if (empty($_is_zero)) {
continue;
}
if (!empty($cart['stored_taxes']) && $cart['stored_taxes'] == 'Y' && (!empty($tax['rate_type']) || isset($cart['taxes'][$tax['tax_id']]['rate_value']))) {
$rate = array('rate_value' => isset($cart['taxes'][$tax['tax_id']]['rate_value']) ? $cart['taxes'][$tax['tax_id']]['rate_value'] : $tax['rate_value'], 'rate_type' => isset($cart['taxes'][$tax['tax_id']]['rate_type']) ? $cart['taxes'][$tax['tax_id']]['rate_type'] : $tax['rate_type']);
} else {
if (!isset($destination_id[$tax['address_type']])) {
continue;
}
$rate = db_get_row("SELECT destination_id, rate_value, rate_type FROM ?:tax_rates WHERE tax_id = ?i AND destination_id = ?i", $tax['tax_id'], $destination_id[$tax['address_type']]);
if (!@floatval($rate['rate_value'])) {
continue;
}
}
$base_price = $tax['priority'] == $previous_priority ? $previous_price : $taxed_price;
if ($rate['rate_type'] == 'P') {
// Percent dependence
// If tax is included into the price
if ($tax['price_includes_tax'] == 'Y') {
$_tax = fn_format_price($base_price - $base_price / (1 + $rate['rate_value'] / 100));
// If tax is NOT included into the price
} else {
$_tax = fn_format_price($base_price * ($rate['rate_value'] / 100));
$taxed_price += $_tax;
}
} else {
$_tax = fn_format_price($rate['rate_value']);
// If tax is NOT included into the price
if ($tax['price_includes_tax'] != 'Y') {
$taxed_price += $_tax;
}
}
$previous_priority = $tax['priority'];
$previous_price = $base_price;
if (empty($tax_description[$tax['tax_id']])) {
$tax_description[$tax['tax_id']] = db_get_field("SELECT tax FROM ?:tax_descriptions WHERE tax_id = ?i AND lang_code = ?s", $tax['tax_id'], CART_LANGUAGE);
}
$taxes_data[$tax['tax_id']] = array('rate_type' => $rate['rate_type'], 'rate_value' => $rate['rate_value'], 'price_includes_tax' => $tax['price_includes_tax'], 'regnumber' => @$tax['regnumber'], 'priority' => @$tax['priority'], 'tax_subtotal' => fn_format_price($_tax * $amount), 'description' => $tax_description[$tax['tax_id']]);
}
return empty($taxes_data) ? false : $taxes_data;
}
// Check fields population on first and second steps
if (($contact_info_population || $guest_checkout) && empty($_SESSION['failed_registration'])) {
if (!fn_check_profile_fields_population($cart['user_data'], 'C', $profile_fields)) {
$recheck_edit_step = false;
if ($cart['edit_step'] != 'step_one') {
fn_set_notification('W', __('notice'), __('text_fill_the_mandatory_fields'));
return array(CONTROLLER_STATUS_REDIRECT, "checkout.checkout?edit_step=step_one");
}
}
$completed_steps['step_one'] = true;
// All mandatory Billing address data exist.
$billing_population = fn_check_profile_fields_population($cart['user_data'], 'B', $profile_fields);
Tygh::$app['view']->assign('billing_population', $billing_population);
if ($billing_population == true || empty($profile_fields['B'])) {
// All mandatory Shipping address data exist.
$shipping_population = fn_check_profile_fields_population($cart['user_data'], 'S', $profile_fields);
Tygh::$app['view']->assign('shipping_population', $shipping_population);
if ($shipping_population == true || empty($profile_fields['S'])) {
$completed_steps['step_two'] = true;
}
}
} elseif ($guest_checkout && !empty($_SESSION['failed_registration'])) {
$completed_steps['step_one'] = true;
}
// Define the variable only if the profiles have not been changed and settings.General.user_multiple_profiles == Y.
if (fn_need_shipping_recalculation($cart) == false && (!empty($cart['product_groups']) && (Registry::get('settings.General.user_multiple_profiles') != "Y" || Registry::get('settings.General.user_multiple_profiles') == "Y" && (isset($user_data['profile_id']) && empty($user_data['profile_id']) || !empty($user_data['profile_id']) && $user_data['profile_id'] == $cart['profile_id'])) || empty($cart['product_groups']) && Registry::get('settings.General.user_multiple_profiles') == "Y" && isset($user_data['profile_id']) && empty($user_data['profile_id']))) {
define('CACHED_SHIPPING_RATES', true);
}
if ($cart['edit_step'] == 'step_three' || $cart['edit_step'] == 'step_four' || $completed_steps['step_two']) {
$cart['calculate_shipping'] = true;
}
/**
* Checks if user data are complete
*
* @param array $user_data Array of user data @see fn_get_user_info
* @param string $location Location identifier
* @param array $auth - authentication information
* @return bool True on success, false otherwise
*/
function fn_check_profile_fields($user_data, $location = 'C', $auth = array())
{
$result = true;
$profile_fields = fn_get_profile_fields($location, $auth);
if ($location == 'O') {
unset($profile_fields['E']);
}
foreach ($profile_fields as $section => $fields) {
if (!fn_check_profile_fields_population($user_data, $section, $profile_fields)) {
$result = false;
break;
}
}
return $result;
}