if (isset($this->session->data['coupon'])) {
$this->language->load('total/coupon');
$this->load->model('checkout/coupon');
$coupon_info = $this->model_checkout_coupon->getCoupon($this->session->data['coupon']);
if ($coupon_info) {
$discount_total = 0;
if (!$coupon_info['product']) {
$sub_total = $this->cart->getSubTotal();
} else {
$sub_total = 0;
foreach ($this->cart->getProducts() as $product) {
if (in_array($product['product_id'], $coupon_info['product'])) {
$sub_total += $product['total'];
}
}
}
if ($coupon_info['type'] == 'F') {
$coupon_info['discount'] = min($coupon_info['discount'], $sub_total);
}
foreach ($this->cart->getProducts() as $product) {
$discount = 0;
if (!$coupon_info['product']) {
$status = true;
} else {
if (in_array($product['product_id'], $coupon_info['product'])) {
$status = true;
} else {
$status = false;
}
}
if ($status) {
if ($coupon_info['type'] == 'F') {
$discount = $coupon_info['discount'] * ($product['total'] / $sub_total);
} elseif ($coupon_info['type'] == 'P') {
$discount = $product['total'] / 100 * $coupon_info['discount'];
}
if ($product['tax_class_id']) {
$tax_rates = $this->tax->getRates($product['total'] - ($product['total'] - $discount), $product['tax_class_id']);
foreach ($tax_rates as $tax_rate) {
if ($tax_rate['type'] == 'P') {
$taxes[$tax_rate['tax_rate_id']] -= $tax_rate['amount'];
}
}
}
}
$discount_total += $discount;
}
if ($coupon_info['shipping'] && isset($this->session->data['shipping_method'])) {
if (!empty($this->session->data['shipping_method']['tax_class_id'])) {
$tax_rates = $this->tax->getRates($this->session->data['shipping_method']['cost'], $this->session->data['shipping_method']['tax_class_id']);
foreach ($tax_rates as $tax_rate) {
if ($tax_rate['type'] == 'P') {
$taxes[$tax_rate['tax_rate_id']] -= $tax_rate['amount'];
}
}
}
$discount_total += $this->session->data['shipping_method']['cost'];
}
$total_data[] = array(
'code' => 'coupon',
'title' => sprintf($this->language->get('text_coupon'), $this->session->data['coupon']),
'text' => $this->currency->format(-$discount_total),
'value' => -$discount_total,
'sort_order' => $this->config->get('coupon_sort_order')
);
$total -= $discount_total;
}
}