function setup_checkout(ET_Order $order)
{
//$order = clone $this->_order;
$order = $order->generate_data_to_pay();
$settings = $this->_settings;
$payment = new ET_Paypal($settings, 1);
$url = $settings['return'];
$cancel_url = $settings['cancel'];
$currencyCodeType = isset($order['currencyCodeType']) ? $order['currencyCodeType'] : '';
$pro = isset($order['products']) ? $order['products'] : array();
$products = "";
$itemamt = 0.0;
$i = 0;
// general product string add to paypal url
if (!empty($pro)) {
$length = count($pro);
if ($length > 1) {
foreach ($pro as $key => $value) {
$products .= "&item_name_{$i}=" . $value['NAME'];
$products .= "&amount_{$i}=" . $value['AMT'];
$products .= "&item_number_{$i}=" . $value['QTY'];
$itemamt += doubleval($value['AMT'] * $value['QTY']);
$i++;
}
} else {
foreach ($pro as $key => $value) {
$products .= "&item_name=" . $value['NAME'];
$products .= "&amount=" . $value['AMT'];
$products .= "&item_number=" . $value['QTY'];
$itemamt += doubleval($value['AMT'] * $value['QTY']);
$i++;
}
}
$products .= "&invoice=" . $order['ID'];
$products .= "&custom=" . $order['ID'];
}
$total = '&upload=1&amount=' . $order['total'];
$returnURL = '&return=' . urlencode($url);
$notifyURL = '¬ify_url=' . urlencode(add_query_arg('paypalListener', 'paypal_appengine_IPN', trailingslashit(home_url())));
$cancelURL = '&cancel_return=' . urlencode("{$cancel_url}");
$currency = '¤cy_code=' . $currencyCodeType;
$nvpstr = $notifyURL . $returnURL . $cancelURL . $products . $total . $currency;
#set session
et_write_session('ad_id', $order['ID']);
return array('url' => $payment->set_checkout($nvpstr, 'SIMPLEPAYPAL'), 'ACK' => true, 'extend' => false);
}
