public function getProductTax($product_price, $product_id)
{
$amount = 0;
$taxprofile_id = J2StorePrices::getTaxProfileId($product_id);
$rates = $this->getRates($taxprofile_id);
$tax_rates = $this->getTaxRates($product_price, $rates);
//print_r($tax_rates);
foreach ($tax_rates as $tax_rate) {
$amount += $tax_rate['amount'];
}
return $amount;
}
/**
* Calculates the product total (aka subtotal)
* using the array of items in the order object
*
* @return unknown_type
*/
function calculateProductTotals()
{
$app = JFactory::getApplication();
$session = JFactory::getSession();
$tax = new J2StoreTax();
$subtotal = 0.0;
$this->_taxes = J2StoreHelperCart::getTaxes();
// TODO Must decide what we want these methods to return; for now, null
$items = $this->getItems();
if (!is_array($items)) {
$this->order_subtotal = $subtotal;
return;
}
// calculate product subtotal
foreach ($items as $item) {
//$item->orderitem_final_price;
// track the subtotal
$subtotal += $item->orderitem_final_price;
}
// set subtotal
$this->order_subtotal = $subtotal;
//coupon
if ($session->has('coupon', 'j2store')) {
$coupon_info = J2StoreHelperCart::getCoupon($session->get('coupon', '', 'j2store'));
if ($coupon_info) {
$discount_total = 0;
if (!$coupon_info->product) {
$sub_total = $this->order_subtotal;
} else {
$sub_total = 0;
foreach ($items as $item) {
if (in_array($item->product_id, $coupon_info->product)) {
$sub_total += $item->orderitem_final_price;
}
}
}
if ($coupon_info->value_type == 'F') {
$coupon_info->value = min($coupon_info->value, $sub_total);
}
//maximum value restriction. If set then we need to check
if ($coupon_info->value_type == 'P' && !empty($coupon_info->max_value) && (double) $coupon_info->max_value > 0) {
//calculate the actual discount
require_once JPATH_SITE . '/components/com_j2store/models/mycart.php';
$cart_model = new J2StoreModelMyCart();
$actual_discount = $cart_model->getDiscountTotal();
//is the actual discount greater than the max value
if ($actual_discount > 0 && $actual_discount > (double) $coupon_info->max_value) {
//set the coupon to be of fixed value
$coupon_info->value = (double) $coupon_info->max_value;
$coupon_info->value_type = 'F';
}
}
foreach ($items as $item) {
$discount = 0;
if (!$coupon_info->product) {
$status = true;
} else {
if (in_array($item->product_id, $coupon_info->product)) {
$status = true;
} else {
$status = false;
}
}
if ($status) {
if ($coupon_info->value_type == 'F') {
$discount = $coupon_info->value * ($item->orderitem_final_price / $sub_total);
} elseif ($coupon_info->value_type == 'P') {
$discount = $item->orderitem_final_price / 100 * $coupon_info->value;
}
//get tax profile id. We need to adjust tax against coupons
$tax_profile_id = J2StorePrices::getTaxProfileId($item->product_id);
if ($tax_profile_id) {
$this->_product_taxrates = $tax->getRateArray($item->orderitem_final_price, $tax_profile_id);
$tax_rates = $tax->getRateArray($item->orderitem_final_price - ($item->orderitem_final_price - $discount), $tax_profile_id);
foreach ($tax_rates as $tax_rate) {
// if ($tax_rate['value_type'] == 'P') {
$this->_taxes[$tax_rate['taxrate_id']] -= $tax_rate['amount'];
$this->_product_taxrates[$tax_rate['taxrate_id']]['amount'] -= $tax_rate['amount'];
// }
}
}
}
$item->orderitem_discount = $discount;
$discount_total += $discount;
//adjust the tax
$product_tax_totals = 0;
foreach ($this->_product_taxrates as $product_tax_rate) {
$product_tax_totals += $product_tax_rate['amount'];
}
if ($tax_profile_id) {
$item->orderitem_tax = $product_tax_totals;
}
}
$shipping_cost = 0;
//free shipping
if ($coupon_info->free_shipping && $this->shipping) {
//we have a shipping method
$shipping_cost = $this->shipping->shipping_price + $this->shipping->shipping_extra + $this->shipping->shipping_tax;
$discount_total += $shipping_cost;
}
$this->order_discount = $discount_total > $this->order_subtotal + $this->order_tax + $shipping_cost ? $this->order_subtotal + $this->order_tax + $shipping_cost : $discount_total;
}
}
//tax override. If there is a coupon. we need to do this
$tax_total = 0;
foreach ($this->_taxes as $key => $value) {
if ($value > 0) {
$tax_total += $value;
}
}
$this->order_tax = $tax_total;
}
